tryptophan has been researched along with Sensitivity and Specificity in 175 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 3 (1.71) | 18.7374 |
| 1990's | 31 (17.71) | 18.2507 |
| 2000's | 80 (45.71) | 29.6817 |
| 2010's | 55 (31.43) | 24.3611 |
| 2020's | 6 (3.43) | 2.80 |
| Authors | Studies |
|---|---|
| Brown, EM; Conigrave, AD; Delbridge, L; Mun, HC; Quinn, SJ; Wilkinson, M | 1 |
| Bellows, DS; Clarke, ID; Diamandis, P; Dirks, PB; Graham, J; Jamieson, LG; Ling, EK; Sacher, AG; Tyers, M; Ward, RJ; Wildenhain, J | 1 |
| Bou Khalil, R; El Khoury, R | 1 |
| Chen, H; Chen, Y; Shi, G; Yang, M; Zhang, S; Zheng, F; Zheng, Z; Zhong, S | 1 |
| Laury-Kleintop, L; Prendergast, GC; Thomas, S | 1 |
| Antal, I; Bagdy, G; Dalmadi Kiss, B; Drahos, L; Édes, AE; Gecse, K; Juhász, G; Király, M; Klebovich, I; Ludányi, K; Virág, D | 1 |
| Al-Rashed, S; Balasurya, S; Das, A; Elgorban, AM; Khan, SS; Marraiki, N; Raju, LL; Syed, A; Thomas, AM | 1 |
| Enomoto, N; Fujisawa, T; Furuhashi, K; Hozumi, H; Inui, N; Karayama, M; Maekawa, M; Masuda, J; Mori, K; Nakamura, Y; Suda, T; Sugimura, H; Suzuki, Y; Takada, A; Yasui, H | 1 |
| Adu-Gyamfi, CG; Chaisson, R; Darboe, F; Fisher, M; George, JA; Hoffmann, C; Makhathini, L; Martinson, N; Otwombe, K; Penn-Nicholson, A; Savulescu, D; Scriba, TJ; Snyman, T; Suchard, MS | 1 |
| Andres, CR; Benz-de Bretagne, I; Bernard, L; Bessy, C; Blasco, H; Boulard, P; Cannet, P; Emond, P; Guillon, A; Hérault, O; Lefevre, A; Lumbu, H; Marlet, J; Morel, T; Piver, E; Plantier, L; Stefic, K; Vourc'h, P | 1 |
| Chen, IW; Chen, ST; Chiu, DT; Chou, CA; Lin, CN | 1 |
| Du, Z; Wang, Y; Zhang, Z; Zheng, J | 1 |
| Fan, L; Fang, J; Song, J; Tong, Q; Xiong, W; Yang, G | 1 |
| Arru, D; Carru, C; Fois, AG; Mangoni, AA; Pirina, P; Sotgia, S; Sotgiu, E; Zinellu, A; Zinellu, E | 1 |
| Briden, KE; Dietzen, DJ; Hunstad, DA; Mitsios, JV; Terrill, CM; Weindel, AL; Yarbrough, ML | 1 |
| Bissonnette, M; Ciorba, MA; Guillemin, GJ; Lim, CK; Meckel, K; Pekow, JR; Sofia, MA; Weber, CR | 1 |
| AlSalhi, MS; Atif, M; Devanesan, S; Farhat, K; Masilamani, V; Rabah, D | 1 |
| Cui, T; Du, TT; Huang, D; Jiang, XH; Qiu, HM; Wang, NR | 1 |
| Chu, L; Kang, X; Li, C; Liu, P; Shen, K; Song, Y | 1 |
| Ammer, N; Biller, BMK; Blevins, T; Bolanowski, M; Chanson, P; Garcia, JM; Korbonits, M; Luger, A; Marcelli, M; Medic-Stojanoska, M; Pekic, S; Popovic, V; Sachse, R; Schopohl, J; Strasburger, CJ; Swerdloff, R; Wang, C; Yuen, KCJ; Zakrzewska, A | 1 |
| Fang, F; Gao, R; Lu, H; Wang, J; Wang, T; Wang, Z; Yao, J; Yu, J | 1 |
| Chan, S; Chen, W; Fu, S; Gao, S; Tao, X; Wang, Q; Wen, Y; Xia, T; Xiong, X; Zhang, F | 1 |
| Hayakawa, K; Kanba, S; Kang, D; Kato, TA; Katsuki, R; Kubo, H; Kuwano, N; Sakamoto, S; Sato-Kasai, M; Setoyama, D; Shimokawa, N; Tateno, M; Teo, AR; Umene-Nakano, W; Watabe, M | 1 |
| Badia, M; Jové, M; Montserrat, N; Pamplona, R; Portero-Otin, M; Servià, L; Sol, J; Trujillano, J | 1 |
| Shimada, I; Toyama, Y | 1 |
| Ahmad, I; Ashraf, R; Khan, A; Khan, S; Ullah, R | 1 |
| Achilefu, S; Ackerstaff, E; Alfano, RR; Gu, Y; Koutcher, JA; Pu, Y; Tang, R; Wang, W; Xu, B; Xue, J | 1 |
| de Vries, EF; Di Gialleonardo, V; Dierckx, RA; Kema, IP; Ramakrishnan, NK; van Waarde, A; Visser, AK; Willemsen, AT | 1 |
| Alsaeed, AH; AlSalhi, MS; Devanesan, S; Ganesh, KM; Masilamani, V; Palled, S; Perinbam, K; Prasad, S; Ravikumar, M | 1 |
| Hu, C; Li, J; Liu, X; Xie, P; Xu, G; Zhang, Y; Zhao, J; Zhao, X; Zheng, P; Zhou, J | 1 |
| Kaur, B; Srivastava, R | 1 |
| Gogoi, B; Sen Sarma, N | 1 |
| Ju, JH; Jung, BH; Jung, SM; Kang, KY; Lee, SH; Park, SH | 1 |
| Chappell, C; Darkoh, C; Gonzales, C; Okhuysen, P | 1 |
| Chen, S; Du, Q; Luo, P; Sun, F; Zhao, S; Zhou, J | 1 |
| Alajmi, MF; Ali, I; Asnin, L; Hussain, A; Mukhtar, SD; Sahoo, DR; Suhail, M | 1 |
| Armutlulu, A; Balaram, H; Balasubramanian, S; Bartosh, TJ; Broda, M; Brown, LE; Burroughs, LM; Burrows, F; Cardoso, JR; Carregaro, RL; Cho, J; Cui, Q; Dela Bela, LF; Dias, JM; Dutta, NK; Flowers, ME; Gallo, S; Hari, P; He, R; He, Y; Heimfeld, S; Jia, B; Jin, X; Jin, YJ; Karakousis, PC; Karmakar, T; Kiem, HP; Kreager, DA; Lebedev, D; Li, F; Li, S; Liang, N; Liu, Z; Luo, J; Luo, Y; Mazuquin, BF; Meng, Y; Mosialos, G; Moura, FA; Müller, CR; Naeem, MA; Nagappa, LK; Nguyen, H; Pelegrinelli, AR; Pinn, ML; Prahlada Rao, VS; Pulsipher, MA; Ragan, DT; Richards, J; Roy, S; Sandmaier, BM; Selfe, J; Selim, MA; Shi, J; Shi, X; Staff, J; Storb, R; Storer, BE; Wang, F; Wang, M; Wang, S; Woolfrey, AE; Wright, T; Ylostalo, JH; Zhang, JY; Zhang, ZY; Zheng, K; Zhu, Z | 1 |
| Hu, JQ; Hu, LJ; Huang, XN; Li, XF; Lin, CX; Lu, HY; Ni, XJ; Shang, DW; Wang, JJ; Wen, YG | 1 |
| Cai, H; Guastella, AR; Juhász, C; Klinger, NV; Mangner, TJ; Michelhaugh, SK; Mittal, S; Muzik, O; Polin, LA; Xin, Y; Zhang, S | 1 |
| Borghei, YS; Ganjali, MR; Hosseini, M; Khoobi, M | 1 |
| Huang, CZ; Li, YF; Long, YF; Zhen, SJ | 1 |
| Anselmetti, D; Galla, L; Greif, D; Ros, A | 1 |
| Fujigaki, Y; Imamura, Y; Kuno, T; Oomori, Y; Ota, N; Wang, PL | 1 |
| Angles, EM; Moss, M; Raeburn, CD; Robinson, TN | 1 |
| Chau, RM; Patel, BA | 1 |
| Boubellouta, T; Dufour, E; Leriche, F; Tourkya, B | 1 |
| Ao, X; Luo, XB; Mo, XM; Pi, LG; Tang, AG | 1 |
| Barriga, C; Bejarano, I; Espino, J; Marchena, AM; Paredes, SD; Reiter, RJ; Rial, RV; Rodríguez, AB | 1 |
| Hustad, S; Midttun, Ø; Ueland, PM | 1 |
| Bilski, P; Chignell, CF; Ehrenshaft, M; Mason, RP; Perdivara, I; Sik, RH; Silva, SO; Tomer, KB | 1 |
| Chen, F; Li, Y; Wu, LM; Xue, XF; Zhang, JZ; Zhao, J; Zhou, JH | 1 |
| Dang, YQ; Hou, G; Li, HW; Li, Y; Ma, LJ; Wu, L; Wu, Y | 1 |
| Cavagnero, S; Sekhar, A | 1 |
| Aguiar-Ricardo, A; Caldeira, J; Casimiro, T; da Silva, MS; Mafra, L; Temtem, M; Vão, ER | 1 |
| Kałuzna-Czaplinska, J; Michalska, M; Rynkowski, J | 1 |
| Madhuri, R; Prasad, BB; Sharma, PS; Tiwari, MP | 1 |
| Alfano, RR; Pu, Y; Savage, HE; Schantz, SP; Tang, GC; Wang, WB | 1 |
| Contino, A; Cucinotta, V; Giuffrida, A; Maccarrone, G; Messina, M | 1 |
| Fedosejevs, R; Kandakkathara, A; Utkin, I | 1 |
| Bomastyk, B; Hauser, PC; Petrovic, I | 1 |
| Ding, Y; Liu, X; Luo, L; Ye, D | 1 |
| Ares, AM; Bernal, J; Bernal, JL; Nozal, MJ; Soto, ME | 1 |
| Ren, YP; Tang, AG; Xiang, ZY; Zhou, QX | 1 |
| Chen, H; Gao, P; Luo, X; Ni, P; Xu, B; Zhan, Y; Zhao, J; Zhu, D | 1 |
| Fang, L; Hu, P; Parti, R | 1 |
| Chatraei, F; Zare, HR | 1 |
| Özcan, A; Şahin, Y | 1 |
| Li, J; Li, L; Qiang, M; Sun, S; Tang, B; Xu, K | 1 |
| Chen, JL; Syu, HJ | 1 |
| Chan, JF; Cheng, VC; Ho, PL; Hung, IF; Siu, GK; Tai, JW; To, KK; Tsang, LL; Tse, H; Wong, SC; Yam, WC; Yau, MC; Yuen, KY | 1 |
| Ren, YP; Sa, M; Tang, AG; Xiao, LD; Ying, L | 1 |
| Moriuchi-Kawakami, T; Shibutani, Y; Tokunaga, Y; Yamamoto, H | 1 |
| Dolina, S; Malitsky, S; Margalit, D; Pressman, E; Rabinkov, A | 1 |
| Alfano, RR; Ebenezar, J; Liu, CH; Pu, Y; Wang, WB | 1 |
| Ahmar, H; Fakhari, AR; Nasirizadeh, N; Shekari, Z; Shishehbore, MR; Zare, HR | 1 |
| Alfano, RR; Pu, Y; Wang, W; Yang, Y | 1 |
| Busath, DD; Cross, TA; Gowen, JA; Mapes, EJ; Markham, JC; Morrison, SE; Schumaker, MF | 1 |
| Bienvenut, WV; Campbell, JM; Déon, C; Hochstrasser, DF; Pasquarello, C; Sanchez, JC; Vestal, ML | 1 |
| Adrover, A; Giona, M | 1 |
| Amirkhani, A; Bergquist, J; Heldin, E; Markides, KE | 1 |
| Hanko, VP; Rohrer, JS | 1 |
| Dainobu, M; Sakai, M; Ureshi, M | 1 |
| Mann, M; Steen, H | 1 |
| Deikus, G; Feinstein, E; Laws, WR; Rachofsky, EL; Ross, JB; Rusinova, E | 1 |
| Nagaraja, P; Vasantha, RA; Yathirajan, HS | 1 |
| Beas-Zárate, C; Del Angel, AR; Feria-Velasco, A; Manjarrrez, G; Orozco-Suárez, S | 1 |
| Asano, E; Chakraborty, PK; Chugani, DC; Chugani, HT; Juhász, C; Mangner, TJ; Muzik, O; Shah, A; Sood, S | 1 |
| Hirata, N; Kuriyama, T; Yamawaki, N | 1 |
| Fu, M; Guo, L; Hu, R; Wei, X; Wu, F; Yang, W | 1 |
| Chen, R; He, CY; Wu, GH | 1 |
| Fuchs, D; Herold, M; Kaser, S; Ledochowski, M; Mur, E; Neurauter, G; Schroecksnadel, K | 1 |
| CIVEN, M; KNOX, WE | 1 |
| Harper, AE; morrison, MA | 1 |
| Nakashima, K; Noda, I; Ozaki, Y; Yuda, K | 1 |
| McRee, DE; Otero, FJ; Ribas de Pouplana, L; Schimmel, P; Skene, RJ; Yang, XL | 1 |
| Banerjee, B; Chaney, TC; Davidson, NO; Henderson, JO | 1 |
| Buhse, LF; Jasper, JP; Nasr, M; Spencer, JA; Westenberger, BJ | 1 |
| Hishida, A; Takahira, R; Wada, N; Yonekawa, O; Yonemura, K | 1 |
| Balaji, J; Kaushalya, SK; Maiti, S; Reddy, CS | 1 |
| Hage, DS; Jiang, T; Mallik, R | 1 |
| Imbenotte, M; Jacquemont, MC; Lefort, A; Lhermitte, M; Vignau, J | 1 |
| Callis, P; Erpelding, T; Fite, B; Jean, J; Kurz, LC; Park, J | 1 |
| Chen, G; Qiu, B; Wang, W; Xu, X; Zhang, L | 1 |
| Durantini, EN; Scalise, I | 1 |
| Shen, X; Tomellini, SA; Yang, M | 1 |
| Farnsworth, PB; Lee, ML; Li, L; Paul, UP | 1 |
| Benkelfat, C; Diksic, M; Leyton, M; Mzengeza, S; Rosa-Neto, P | 1 |
| Barger, G; Chakraborty, PK; Chugani, DC; Chugani, HT; Ergun, EL; Juhász, C; Kupsky, WJ; Mangner, TJ; Muzik, O; Shah, AK; Sloan, AE; Sood, S; Watson, C; Wu, D | 1 |
| Lin, CH; Shih, CM | 1 |
| Goez, M; Hore, PJ; Mok, KH | 1 |
| de Jongh, HH; Meinders, MB; van Teeffelen, AM | 1 |
| Hamase, K; Konno, R; Morikawa, A; Nagayasu, R; Zaitsu, K | 1 |
| Agarwal, A; Fridell, JA; Mangus, RS; Murdock, P; Tector, AJ; Vianna, R | 1 |
| Ahmed, M; Belau, L; Jimenez-Cruz, M; Leone, SR; Nicolas, C; Wilson, KR | 1 |
| Johansson, LB; Kalinin, S; Oliveberg, M; Olofsson, M; Zdunek, J | 1 |
| Brettel, K; Byrdin, M; Eker, AP; Lukacs, A; Pan, J; Villette, S; Vos, MH | 1 |
| Calaway, WF; Edirisinghe, PD; Hanley, L; Moore, JF; Pellin, MJ; Veryovkin, IV | 1 |
| Gan, Z | 1 |
| Hirose, M; Ishii, Y; Ito, R; Iwasaki, Y; Katsumata, T; Nakazawa, H; Nishikawa, A; Ogara, A; Saito, K; Umemura, T | 1 |
| Arjmand, F; Banerjee, K; Chauhan, M | 1 |
| Chen, J; Liu, Y; Qiao, R; Wang, X; Xia, S; Zeng, Z; Zhang, B; Zhang, Y; Zhou, J | 1 |
| Arvidsson, B; Bergquist, J; Citterio, A; Johannesson, N; Righetti, PG | 1 |
| Bisby, RH; Botchway, SW; Crisostomo, AG; Parker, AW | 1 |
| Emami, F; Hasani, M; Moloudi, M | 1 |
| Nohta, H; Sejima, N; Todoroki, K; Yamaguchi, M; Yoshida, H; Yoshitake, M | 1 |
| Abduragimov, AR; Gasymov, OK; Glasgow, BJ | 1 |
| Badawy, AA; Morgan, CJ; Turner, JA | 1 |
| Wang, S; Wang, W; Yu, Y; Zhang, H | 1 |
| Bair, MJ; Chang, HT; Chiang, CK; Hu, CC; Huang, YF; Lin, YW; Liu, K | 1 |
| Hara, N; Miyazaki, T; Shibata, T; Tsuchiya, M; Yamada, K | 1 |
| Chen, H; Dai, H; Gao, J; Lv, D; Qu, J; Ren, J; Wei, X; Yang, W | 1 |
| Crespi, F; Ratti, E; Trist, DG | 1 |
| Baig, SM; Qureshi, GA | 1 |
| Aubineau, P; Mathiau, P | 1 |
| Farrens, DL; Khorana, HG | 1 |
| Chen, JG; Weber, SG; Woltman, SJ | 1 |
| Hayashi, H; Hirotsu, K; Kagamiyama, H; Kuramitsu, S; Metzler, CM; Metzler, DE; Miyahara, I; Mollova, ET; Scott, RD; Yano, T | 1 |
| Dudka, J; Szczepaniak, S | 1 |
| Brammer, GL | 1 |
| Demisch, L; Engelhardt, W; Fischer, PA; Ott, M | 1 |
| Davidson, AG; Knight, BI | 1 |
| Beyne, P; Delacoux, E; Hervé, C; Jamault, H | 1 |
| Alegría, A; Barberá, R; Farré, R; Ferrerés, M; Lagarda, MJ; López, JC | 1 |
| Brower, J; Carey, MS; Collantes, E; Duta, R; Layloff, TP; Lin, W; Spencer, JA; Tersigni, SH; Welsh, WJ; Zielinski, WL | 1 |
| Lu, B; Westerlund, D | 1 |
| Elderfield, AJ; Truscott, RJ | 1 |
| Meyer, K; Simat, T; Steinhart, H; Stöver, B | 1 |
| Fresta, M; Micali, N; Puglisi, G; Trusso, S; Villari, A | 1 |
| Altria, KD; Harkin, P; Hindson, MG | 1 |
| Iguchi, T; Imai, J; Kawai, M; Murayama, K; Sakai, Y; Shimizu, H; Sumi, T; Yamaguchi, S; Yoshida, I | 1 |
| Field, MJ; Hughes, J; Kuo, BS; Naylor, RJ; Singh, L; Suman-Chauhan, N; Tuladhar, BR; Wright, DS | 1 |
| Marcon, L; Sodroski, J | 1 |
| Fitzpatrick, PF; Rainina, EI; Simonian, AL; Wild, JR | 1 |
| Kumar, S; Mishra, S; Sangwan, RS | 1 |
| Allison, DB; Faith, MS; Heo, M; Pietrobelli, A | 1 |
| Birlouez-Aragon, I; Junes, P; Mondon, H; Moreaux, V; Tessier, F | 1 |
| Advenier, C; Alvarez, JC; Bothua, D; Collignon, I; Spreux-Varoquaux, O | 1 |
| Fitzpatrick, PF; Rainina, EI; Simonian, AL; Wild, J | 1 |
| Krákorová, I; Makovicková, H; Marklová, E | 1 |
| dos-Santos, JE; Graeff, FG; Guimarães, FS; Monteiro-dos-Santos, PC; Ribeiro, RP; Zuardi, AW | 1 |
| Bamberg, MP; Crowley, K; Doukas, AG; Evans, R; Gillies, R; Kollias, N; Soukos, NS | 1 |
| Tyler, MI | 1 |
| Adachi, I; Doi, K; Komori, T; Narabayashi, I; Shimizu, T; Sueyoshi, K; Takahashi, M; Tatsu, Y; Tatsumi, T; Uesugi, Y; Utunomiya, K | 1 |
| Ikezoe, J; Iuchi, H; Kikuchi, T; Miyagawa, M; Mochizuki, T; Murase, K; Onji, M; Shimizu, K; Sugawara, Y; Tanaka, H; Tsuda, T | 1 |
| Fuchs, D; Ledochowski, M; Murr, C; Sperner-Unterweger, B; Widner, B | 1 |
| Nicholls, T; Nitsos, I; Smythe, G; Walker, DW | 1 |
| Fuchs, D; Laich, A; Neurauter, G; Widner, B | 1 |
| Kask, A; Mäeorg, U; Vaarmann, A | 1 |
| Bailey, M; Collén, A; Fagerström, R; Hyytiä, T; Kula, MR; Nakari-Setlä, T; Penttilä, M; Persson, J; Selber, K; Stålbrand, H; Tjerneld, F | 1 |
| de Foresta, B; Gallay, J; Tortech, L; Vincent, M | 1 |
| Nomura, Y; Tohda, M; Urushihara, H | 1 |
| Kacser, H; Miozzari, G; Niederberger, P; Prasad, R | 1 |
| Atkins, WM; Dombrosky, P; Eads, CD; Lin, WY; McNemar, LS; Villafranca, JJ | 1 |
| Berndt, KW; Gryczynski, I; Lakowicz, JR | 1 |
| Hasegawa, H; Kuniyasu, Y; Shikata, J; Takada, K; Takada, T; Uchiyama, K; Yasuda, H | 1 |
3 review(s) available for tryptophan and Sensitivity and Specificity
| Article | Year |
|---|---|
Review of the endothelial pathogenic mechanism of TIE2-related venous malformation.
Topics: Amino Acid Substitution; Arginine; Biomarkers; Cell Differentiation; Endothelial Cells; Endothelium, Vascular; Evidence-Based Medicine; Humans; Meta-Analysis as Topic; Point Mutation; Predictive Value of Tests; Receptor, TIE-2; Sensitivity and Specificity; Signal Transduction; Tryptophan; Vascular Malformations; Veins | 2017 |
Immusorba TR and PH.
Topics: Absorption; Acetylcholine; Arthritis, Rheumatoid; Autoantibodies; Biocompatible Materials; Clinical Trials as Topic; Equipment Design; Equipment Safety; Guillain-Barre Syndrome; Humans; Immunosorbent Techniques; Immunosorbents; Lupus Erythematosus, Systemic; Myasthenia Gravis; Phenylalanine; Sensitivity and Specificity; Tryptophan | 2003 |
Meta-analysis of the association of the Trp64Arg polymorphism in the beta3 adrenergic receptor with body mass index.
Topics: Arginine; Body Mass Index; Genotype; Heterozygote; Homozygote; Humans; Polymorphism, Genetic; Receptors, Adrenergic, beta; Regression Analysis; Sensitivity and Specificity; Tryptophan | 1998 |
5 trial(s) available for tryptophan and Sensitivity and Specificity
| Article | Year |
|---|---|
Macimorelin as a Diagnostic Test for Adult GH Deficiency.
Topics: Administration, Oral; Adolescent; Adult; Age of Onset; Aged; Cross-Over Studies; Diagnostic Tests, Routine; Female; Human Growth Hormone; Humans; Hypopituitarism; Indoles; Male; Middle Aged; Pituitary Function Tests; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Young Adult | 2018 |
Epilepsy as a pyridoxine-dependent condition: quantified urinary biomarkers for status evaluation and monitoring antiepileptic treatment.
Topics: Adolescent; Anticonvulsants; Biomarkers; Child; Child, Preschool; Epilepsy; Female; Humans; Male; Pyridoxal Phosphate; Pyridoxic Acid; Pyridoxine; Reproducibility of Results; Sensitivity and Specificity; Treatment Outcome; Tryptophan | 2012 |
Stability of alpha-[11C]methyl-L-tryptophan brain trapping in healthy male volunteers.
Topics: Adult; Brain; Brain Mapping; Humans; Male; Metabolic Clearance Rate; Middle Aged; Positron-Emission Tomography; Radiopharmaceuticals; Reference Values; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Tryptophan | 2005 |
Effects of tryptophan depletion on anxiety induced by simulated public speaking.
Topics: Adolescent; Adult; Amino Acids; Anxiety; Dietary Supplements; Female; Heart Rate; Humans; Male; Self-Assessment; Sensitivity and Specificity; Serotonin; Sex Factors; Speech; Test Anxiety Scale; Tryptophan | 2000 |
Fructose malabsorption is associated with decreased plasma tryptophan.
Topics: Administration, Oral; Adolescent; Adult; Aged; Breath Tests; Chromatography, High Pressure Liquid; Fasting; Female; Fructose; Humans; Hydrogen-Ion Concentration; Malabsorption Syndromes; Male; Middle Aged; Reference Values; Sensitivity and Specificity; Statistics, Nonparametric; Tryptophan | 2001 |
167 other study(ies) available for tryptophan and Sensitivity and Specificity
| Article | Year |
|---|---|
L-amino acids regulate parathyroid hormone secretion.
Topics: Amino Acids; Calcium; Cytoplasm; Dose-Response Relationship, Drug; Humans; Ions; Magnesium; Parathyroid Glands; Parathyroid Hormone; Phenylalanine; Receptors, Calcium-Sensing; Sensitivity and Specificity; Spermine; Time Factors; Tryptophan | 2004 |
Chemical genetics reveals a complex functional ground state of neural stem cells.
Topics: Animals; Cell Survival; Cells, Cultured; Mice; Molecular Structure; Neoplasms; Neurons; Pharmaceutical Preparations; Sensitivity and Specificity; Stem Cells | 2007 |
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Topics: Biomarkers; Depressive Disorder, Major; Heart Rate; Humans; Kynurenine; Quinolinic Acid; Reproducibility of Results; Sensitivity and Specificity; Stress, Physiological; Tryptophan | 2021 |
Ultra-performance liquid chromatography-tandem mass spectrometry quantitative profiling of tryptophan metabolites in human plasma and its application to clinical study.
Topics: 3-Hydroxyanthranilic Acid; Adult; Chromatography, High Pressure Liquid; Female; Humans; Kynurenic Acid; Linear Models; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry; Tryptophan | 2019 |
Reliable detection of indoleamine 2,3 dioxygenase-1 in murine cells and tissues.
Topics: Animals; Antibodies, Monoclonal; Disease Models, Animal; Enzyme-Linked Immunosorbent Assay; Fluorescent Antibody Technique, Indirect; Humans; Hybridomas; Indoleamine-Pyrrole 2,3,-Dioxygenase; Kynurenine; Mice; Microscopy, Fluorescence; Neoplasms; Reproducibility of Results; Sensitivity and Specificity; Staining and Labeling; Tryptophan | 2019 |
Development, validation and application of LC-MS/MS method for quantification of amino acids, kynurenine and serotonin in human plasma.
Topics: Amino Acids; Biosensing Techniques; Calibration; Chromatography, High Pressure Liquid; Humans; Kynurenine; Limit of Detection; Linear Models; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Solvents; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Tryptophan | 2020 |
Colorimetric detection of mercury ions from environmental water sample by using 3-(Trimethoxysilyl)propyl methacrylate functionalized Ag NPs-tryptophan nanoconjugate.
Topics: Cations, Divalent; Colorimetry; Coloring Agents; Hydrogen-Ion Concentration; Limit of Detection; Mercury; Metal Nanoparticles; Methacrylates; Nanotechnology; Organosilicon Compounds; Saline Solution; Sensitivity and Specificity; Silver; Surface Properties; Tryptophan; Water | 2020 |
Comprehensive assessment of multiple tryptophan metabolites as potential biomarkers for immune checkpoint inhibitors in patients with non-small cell lung cancer.
Topics: 3-Hydroxyanthranilic Acid; Adult; Aged; Aged, 80 and over; B7-H1 Antigen; Biomarkers; Carcinoma, Non-Small-Cell Lung; Female; Humans; Immune Checkpoint Inhibitors; Lung Neoplasms; Male; Middle Aged; Progression-Free Survival; Prospective Studies; Regression Analysis; ROC Curve; Sensitivity and Specificity; Treatment Outcome; Tryptophan; Xanthurenates | 2021 |
Diagnostic accuracy of plasma kynurenine/tryptophan ratio, measured by enzyme-linked immunosorbent assay, for pulmonary tuberculosis.
Topics: Adult; Biomarkers; Enzyme-Linked Immunosorbent Assay; Female; HIV Infections; Humans; Kynurenine; Latent Tuberculosis; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Tuberculosis, Pulmonary | 2020 |
The specific metabolome profiling of patients infected by SARS-COV-2 supports the key role of tryptophan-nicotinamide pathway and cytosine metabolism.
Topics: Aged; Aged, 80 and over; Betacoronavirus; Biomarkers; Coronavirus Infections; COVID-19; Cytosine; Early Diagnosis; Female; France; Humans; Male; Metabolome; Metabolomics; Middle Aged; Niacinamide; Pandemics; Pneumonia, Viral; Prognosis; Reproducibility of Results; SARS-CoV-2; Sensitivity and Specificity; Severity of Illness Index; Tryptophan | 2020 |
Tryptophan as a surrogate prognostic marker for diabetic nephropathy.
Topics: Adult; Biomarkers; Diabetic Nephropathies; Disease Progression; Female; Humans; Male; Middle Aged; Prognosis; Prospective Studies; Sensitivity and Specificity; Tryptophan | 2018 |
Simultaneous determination of tryptophan, kynurenine, kynurenic acid, xanthurenic acid and 5-hydroxytryptamine in human plasma by LC-MS/MS and its application to acute myocardial infarction monitoring.
Topics: Case-Control Studies; Chromatography, Liquid; Humans; Kynurenic Acid; Kynurenine; Linear Models; Myocardial Infarction; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Tandem Mass Spectrometry; Tryptophan; Xanthurenates | 2018 |
Increased kynurenine plasma concentrations and kynurenine-tryptophan ratio in mild-to-moderate chronic obstructive pulmonary disease patients.
Topics: Aged; Biomarkers; Case-Control Studies; Female; Humans; Kynurenine; Logistic Models; Male; Oxidative Stress; Pulmonary Disease, Chronic Obstructive; Sensitivity and Specificity; Severity of Illness Index; Tryptophan | 2018 |
Mass spectrometric measurement of urinary kynurenine-to-tryptophan ratio in children with and without urinary tract infection.
Topics: Algorithms; Biomarkers; Chromatography, High Pressure Liquid; Cohort Studies; Female; Humans; Indoleamine-Pyrrole 2,3,-Dioxygenase; Infant; Kynurenine; Male; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Tryptophan; Urinary Tract Infections | 2018 |
Tryptophan Metabolism through the Kynurenine Pathway is Associated with Endoscopic Inflammation in Ulcerative Colitis.
Topics: Adolescent; Adult; Aged; Biomarkers; Case-Control Studies; Chromatography, High Pressure Liquid; Colitis, Ulcerative; Colonoscopy; Female; Gas Chromatography-Mass Spectrometry; Humans; Inflammation; Kynurenine; Logistic Models; Male; Metabolic Networks and Pathways; Middle Aged; Multivariate Analysis; Sensitivity and Specificity; Tryptophan; Young Adult | 2018 |
A study for the detection of kidney cancer using fluorescence emission spectra and synchronous fluorescence excitation spectra of blood and urine.
Topics: Adult; Biomarkers, Tumor; Female; Flavin-Adenine Dinucleotide; Humans; Kidney Neoplasms; Male; Middle Aged; NAD; Porphyrins; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2018 |
Simultaneous determination of tryptophan, kynurenine, kynurenic acid and two monoamines in rat plasma by HPLC-ECD/DAD.
Topics: Amino Acids, Essential; Animals; Boron; Chemical Fractionation; Chromatography, High Pressure Liquid; Depression; Diamond; Electrochemical Techniques; Electrodes; Fluorescence; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; Limit of Detection; Models, Animal; Rats; Rats, Sprague-Dawley; Sensitivity and Specificity; Serotonin; Tryptophan | 2018 |
Decreased levels of urinary free amino acids in children with autism spectrum disorder.
Topics: Adolescent; Amino Acids; Autism Spectrum Disorder; Biomarkers; Case-Control Studies; Child; Female; Humans; Male; ROC Curve; Sensitivity and Specificity; Tryptophan; Valine | 2018 |
A sensitive method for the determination of the gender difference of neuroactive metabolites in tryptophan and dopamine pathways in mouse serum and brain by UHPLC-MS/MS.
Topics: Animals; Brain; Brain Chemistry; Chromatography, High Pressure Liquid; Dopamine; Female; Linear Models; Male; Mice; Reproducibility of Results; Sensitivity and Specificity; Sex Factors; Tandem Mass Spectrometry; Tryptophan | 2018 |
Diagnostic value of plasma tryptophan and symmetric dimethylarginine levels for acute kidney injury among tacrolimus-treated kidney transplant patients by targeted metabolomics analysis.
Topics: Acute Kidney Injury; Adult; Antidepressive Agents, Second-Generation; Arginine; China; Female; Humans; Immunosuppressive Agents; Kidney Transplantation; Male; Metabolomics; Middle Aged; Plasma; Retrospective Studies; Sensitivity and Specificity; Tacrolimus; Transplant Recipients; Tryptophan; Young Adult | 2018 |
Development and validation of the 22-item Tarumi's Modern-Type Depression Trait Scale: Avoidance of Social Roles, Complaint, and Low Self-Esteem (TACS-22).
Topics: Adolescent; Adult; Depression; Female; Humans; Male; Middle Aged; Prodromal Symptoms; Psychiatric Status Rating Scales; Psychometrics; Self Concept; Self Report; Sensitivity and Specificity; Social Behavior; Tryptophan; Young Adult | 2019 |
A prospective pilot study using metabolomics discloses specific fatty acid, catecholamine and tryptophan metabolic pathways as possible predictors for a negative outcome after severe trauma.
Topics: Adult; Aged; Biomarkers; Catecholamines; Chromatography, Liquid; Fatty Acids; Female; Humans; Intensive Care Units; Male; Metabolic Networks and Pathways; Metabolomics; Middle Aged; Pilot Projects; Plasma; Prospective Studies; Sensitivity and Specificity; Spain; Trauma Severity Indices; Treatment Outcome; Tryptophan; Wounds and Injuries | 2019 |
Frequency selective coherence transfer NMR spectroscopy to study the structural dynamics of high molecular weight proteins.
Topics: Histidine; Maltose; Molecular Weight; Nuclear Magnetic Resonance, Biomolecular; Protein Conformation; Sensitivity and Specificity; Tryptophan; Valine | 2019 |
Optical screening of hepatitis-B infected blood sera using optical technique and neural network classifier.
Topics: Bilirubin; Hepatitis B; Humans; Neural Networks, Computer; Pakistan; Phenylalanine; Predictive Value of Tests; Sensitivity and Specificity; Serum Albumin; Spectrum Analysis, Raman; Tryptophan | 2019 |
Native fluorescence spectroscopy reveals spectral differences among prostate cancer cell lines with different risk levels.
Topics: Biomarkers, Tumor; Cell Line, Tumor; Diagnosis, Differential; Humans; Male; Molecular Imaging; NAD; Prostatic Neoplasms; Reproducibility of Results; Risk Assessment; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2013 |
[(11)C]5-HTP and microPET are not suitable for pharmacodynamic studies in the rodent brain.
Topics: 5-Hydroxytryptophan; Animals; Aromatic Amino Acid Decarboxylase Inhibitors; Brain; Carbidopa; Carbon Radioisotopes; Enzyme Inhibitors; Hydrazines; Male; Models, Biological; Positron-Emission Tomography; Rats; Rats, Wistar; Sensitivity and Specificity; Serotonin; Tissue Distribution; Tryptophan | 2014 |
Fluorescence spectral diagnosis of malaria: a preliminary study.
Topics: Adolescent; Biomarkers; Case-Control Studies; Child; Female; Flavin-Adenine Dinucleotide; Humans; Malaria; Male; NAD; Porphyrins; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan; Tyrosine; Young Adult | 2014 |
Discovery and validation of plasma biomarkers for major depressive disorder classification based on liquid chromatography-mass spectrometry.
Topics: Adult; Biomarkers; Carnitine; Case-Control Studies; Chromatography, Liquid; Depressive Disorder, Major; Female; Humans; Lipid Metabolism; Logistic Models; Lysophosphatidylcholines; Lysophospholipids; Male; Metabolome; Middle Aged; Phosphatidylethanolamines; Quality of Life; Sensitivity and Specificity; Severity of Illness Index; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan | 2015 |
Simultaneous determination of ascorbic acid, dopamine, uric acid, and tryptophan by nanocrystalline ZSM-5 modified electrodes.
Topics: Ascorbic Acid; Biomarkers; Dopamine; Electrochemical Techniques; Electrodes; Humans; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Uric Acid; Zeolites | 2014 |
Curcumin-cysteine and curcumin-tryptophan conjugate as fluorescence turn on sensors for picric Acid in aqueous media.
Topics: Curcumin; Cysteine; Environmental Monitoring; Nanoconjugates; Picrates; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Water; Water Pollutants, Chemical | 2015 |
Downregulation of Tryptophan-related Metabolomic Profile in Rheumatoid Arthritis Synovial Fluid.
Topics: Adult; Aged; Aged, 80 and over; Arthritis, Rheumatoid; Autoantibodies; Biomarkers; Blood Sedimentation; C-Reactive Protein; Chromatography, Liquid; Disease Progression; Down-Regulation; Female; Follow-Up Studies; Humans; Male; Mass Spectrometry; Middle Aged; Multivariate Analysis; Osteoarthritis; Sampling Studies; Sensitivity and Specificity; Severity of Illness Index; Statistics, Nonparametric; Synovial Fluid; Tryptophan | 2015 |
A rapid and specific method for the detection of indole in complex biological samples.
Topics: Bacteriological Techniques; Enterotoxigenic Escherichia coli; Environmental Microbiology; Feces; Humans; Hydroxylamine; Indoles; Sensitivity and Specificity; Tryptophan | 2015 |
Indirect chiral separation of tryptophan enantiomers by high performance liquid chromatography with indirect chemiluminiscence detection.
Topics: Chromatography, High Pressure Liquid; Humans; Linear Models; Luminescent Measurements; Luminol; Reproducibility of Results; Sensitivity and Specificity; Sodium Hydroxide; Stereoisomerism; Tryptophan | 2015 |
Chiral HPLC Separation and Modeling of Four Stereomers of DL-Leucine-DL-Tryptophan Dipeptide on Amylose Chiral Column.
Topics: Amylose; Chromatography, High Pressure Liquid; Dipeptides; Leucine; Limit of Detection; Reproducibility of Results; Sensitivity and Specificity; Stereoisomerism; Tryptophan | 2016 |
Topics: Adolescent; Adult; Age Factors; Aged; Amino Acid Substitution; Anemia, Aplastic; Athletes; Athletic Performance; Bone Marrow Transplantation; Carcinoma, Non-Small-Cell Lung; Catalytic Domain; Cell Count; Child; Child, Preschool; Escherichia coli; Female; Gene Expression; Graft Survival; Graft vs Host Disease; Histocompatibility Testing; Humans; Hydrogen Bonding; Immunosuppression Therapy; Inosine Monophosphate; Integrin alphaVbeta3; Kinetics; Knee Joint; Lung Neoplasms; Lymphatic Metastasis; Male; Mediastinal Neoplasms; Middle Aged; Molecular Dynamics Simulation; Muscle, Skeletal; Mutation; Organotechnetium Compounds; Pentosyltransferases; Peptides, Cyclic; Phenylalanine; Plasmodium falciparum; Protein Interaction Domains and Motifs; Protein Structure, Secondary; Protozoan Proteins; Radiopharmaceuticals; Recombinant Proteins; Running; Sensitivity and Specificity; Serine; Siblings; Single Photon Emission Computed Tomography Computed Tomography; Soccer; Structure-Activity Relationship; Substrate Specificity; Thermodynamics; Threonine; Time Factors; Torque; Treatment Outcome; Tryptophan; Tyrosine; Young Adult | 2016 |
A Simple HPLC-MS/MS Method for Determination of Tryptophan, Kynurenine and Kynurenic Acid in Human Serum and its Potential for Monitoring Antidepressant Therapy.
Topics: Antidepressive Agents; Case-Control Studies; Chromatography, High Pressure Liquid; Depression; Drug Monitoring; Healthy Volunteers; Humans; Kynurenic Acid; Kynurenine; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry; Tryptophan | 2017 |
Assessment of Tryptophan Uptake and Kinetics Using 1-(2-18F-Fluoroethyl)-l-Tryptophan and α-11C-Methyl-l-Tryptophan PET Imaging in Mice Implanted with Patient-Derived Brain Tumor Xenografts.
Topics: Animals; Biomarkers, Tumor; Brain Neoplasms; Carbon Radioisotopes; Cell Line, Tumor; Female; Humans; Metabolic Clearance Rate; Mice; Mice, Inbred BALB C; Mice, SCID; Molecular Imaging; Organ Specificity; Positron-Emission Tomography; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Tissue Distribution; Tryptophan; Tyrosine | 2017 |
Copper nanocluster-enhanced luminol chemiluminescence for high-selectivity sensing of tryptophan and phenylalanine.
Topics: Copper; Humans; Luminescence; Luminescent Measurements; Luminol; Phenylalanine; Sensitivity and Specificity; Tryptophan | 2017 |
Tryptophan-contained peptide-functional nanomaterials as general spectrofluorometric reagents for enzyme.
Topics: Amino Acid Sequence; Animals; Calibration; Cattle; Fluorescence; Gold; Humans; Indicators and Reagents; Metal Nanoparticles; Oligopeptides; Sensitivity and Specificity; Spectrometry, Fluorescence; Thrombin; Tryptophan | 2008 |
Single cell analysis in full body quartz glass chips with native UV laser-induced fluorescence detection.
Topics: Animals; Catalase; Cell Line; Cells; Chymotrypsinogen; Electrophoresis; Lasers; Microfluidic Analytical Techniques; Microscopy, Fluorescence; Ovalbumin; Proteins; Quartz; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan; Ultraviolet Rays | 2008 |
Polymorphism of genes encoding toll-like receptors and inflammatory cytokines in periodontal disease in the Japanese population.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Arginine; Aspartic Acid; Glycine; Humans; Interleukin-1alpha; Interleukin-1beta; Japan; Middle Aged; Mutation; Periodontitis; Polymerase Chain Reaction; Polymorphism, Genetic; Polymorphism, Restriction Fragment Length; Polymorphism, Single Nucleotide; Sensitivity and Specificity; Toll-Like Receptor 2; Toll-Like Receptor 4; Tryptophan | 2008 |
Low tryptophan levels are associated with postoperative delirium in the elderly.
Topics: Aged; Chi-Square Distribution; Delirium; Female; Humans; Incidence; Male; Middle Aged; Postoperative Complications; Prospective Studies; Risk Factors; Sensitivity and Specificity; Tryptophan | 2008 |
Determination of serotonin, melatonin and metabolites in gastrointestinal tissue using high-performance liquid chromatography with electrochemical detection.
Topics: Acetonitriles; Animals; Chromatography, High Pressure Liquid; Colon; Drug Stability; Duodenum; Electrochemical Techniques; Guinea Pigs; Hydroxyindoleacetic Acid; Ileum; Intestinal Mucosa; Isotonic Solutions; Least-Squares Analysis; Linear Models; Male; Melatonin; Perchlorates; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Tryptophan | 2009 |
Fluorescence spectroscopy as a promising tool for a polyphasic approach to pseudomonad taxonomy.
Topics: Amino Acids, Aromatic; Bacterial Typing Techniques; DNA, Bacterial; Genotype; NAD; Pseudomonas; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2009 |
More rapid and sensitive method for simultaneous determination of tryptophan and kynurenic acid by HPLC.
Topics: Acetonitriles; Adolescent; Adult; Asian People; Calibration; Chromatography, High Pressure Liquid; Female; Fluorescence; Health; Humans; Hydrogen-Ion Concentration; Kynurenic Acid; Limit of Detection; Male; Middle Aged; Reference Standards; Regression Analysis; Reproducibility of Results; Rheology; Sensitivity and Specificity; Time Factors; Tryptophan; Young Adult; Zinc Acetate | 2009 |
Melatonin and tryptophan affect the activity-rest rhythm, core and peripheral temperatures, and interleukin levels in the ringdove: changes with age.
Topics: Administration, Oral; Aging; Animals; Body Temperature Regulation; Circadian Rhythm; Columbidae; Female; Interleukins; Male; Melatonin; Models, Animal; Motor Activity; Multivariate Analysis; Probability; Regression Analysis; Sensitivity and Specificity; Sleep Stages; Tryptophan; Wakefulness | 2009 |
Quantitative profiling of biomarkers related to B-vitamin status, tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry.
Topics: Biomarkers; Chromatography, Liquid; Cotinine; Cystathionine; Humans; Inflammation; Neopterin; Riboflavin; Sensitivity and Specificity; Tandem Mass Spectrometry; Tryptophan; Vitamin B 6 | 2009 |
Immunological detection of N-formylkynurenine in oxidized proteins.
Topics: Animals; Antibodies; Haptens; Humans; Immune Sera; Immunization; Immunoassay; Kynurenine; Light; Mass Spectrometry; Milk; Myoglobin; Ovalbumin; Oxidation-Reduction; Proteins; Rabbits; Sensitivity and Specificity; Superoxide Dismutase; Superoxide Dismutase-1; Tryptophan | 2009 |
Determination of tryptophan in bee pollen and royal jelly by high-performance liquid chromatography with fluorescence detection.
Topics: Acetonitriles; Animals; Bees; Chemical Fractionation; Chromatography, High Pressure Liquid; Fatty Acids; Fluorescence; Hydrolysis; Pollen; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Water | 2009 |
An easily prepared hypersensitive water-soluble fluorescent probe for mercury(II) ions.
Topics: Fluorescent Dyes; Magnetic Resonance Spectroscopy; Mercury; Microscopy, Fluorescence; Molecular Structure; Sensitivity and Specificity; Solubility; Tryptophan; Water | 2009 |
EPIC- and CHANCE-HSQC: two 15N-photo-CIDNP-enhanced pulse sequences for the sensitive detection of solvent-exposed tryptophan.
Topics: Algorithms; Light; Magnetic Resonance Spectroscopy; Nitrogen Radioisotopes; Photochemistry; Sensitivity and Specificity; Signal Processing, Computer-Assisted; Solvents; Tryptophan | 2009 |
Clean synthesis of molecular recognition polymeric materials with chiral sensing capability using supercritical fluid technology. Application as HPLC stationary phases.
Topics: Biosensing Techniques; Chromatography, High Pressure Liquid; Chromatography, Supercritical Fluid; Computer-Aided Design; Equipment Design; Equipment Failure Analysis; Isomerism; Molecular Probe Techniques; Polymers; Reproducibility of Results; Sensitivity and Specificity; Tryptophan | 2010 |
Determination of tryptophan in urine of autistic and healthy children by gas chromatography/mass spectrometry.
Topics: Autistic Disorder; Calibration; Case-Control Studies; Child; Female; Gas Chromatography-Mass Spectrometry; Humans; Limit of Detection; Male; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Time Factors; Tryptophan | 2010 |
Enantioselective separation and electrochemical sensing of D- and L-tryptophan at ultratrace level using molecularly imprinted micro-solid phase extraction fiber coupled with complementary molecularly imprinted polymer-fiber sensor.
Topics: Biosensing Techniques; Electrochemical Techniques; Humans; Microscopy, Electron, Scanning; Molecular Imprinting; Nuclear Magnetic Resonance, Biomolecular; Polymers; Sensitivity and Specificity; Solid Phase Extraction; Stereoisomerism; Tryptophan | 2011 |
Native fluorescence spectroscopic evaluation of chemotherapeutic effects on malignant cells using nonnegative matrix factorization analysis.
Topics: Algorithms; Antineoplastic Agents; Breast Neoplasms; Cell Line, Tumor; Female; Flavins; Humans; NAD; Reference Standards; Sensitivity and Specificity; Spectrometry, Fluorescence; Tretinoin; Tryptophan | 2011 |
Mass spectrometry detection as an innovative and advantageous tool in ligand exchange capillary electrophoresis.
Topics: beta-Cyclodextrins; Coordination Complexes; Copper; Electrophoresis, Capillary; Imidazoles; Ligands; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Stereoisomerism; Tryptophan | 2011 |
Surface-enhanced raman scattering (SERS) detection of low concentrations of tryptophan amino acid in silver colloid.
Topics: Colloids; Reproducibility of Results; Sensitivity and Specificity; Silver; Spectrum Analysis, Raman; Tryptophan | 2011 |
Absorbance detector for high-performance liquid chromatography based on light-emitting diodes for the deep-ultraviolet range.
Topics: Ascorbic Acid; Chromatography, High Pressure Liquid; Electrical Equipment and Supplies; Electronics; Equipment Design; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Ultraviolet Rays | 2011 |
Poly-glutamic acid modified carbon nanotube-doped carbon paste electrode for sensitive detection of L-tryptophan.
Topics: Carbon; Electrochemical Techniques; Electrodes; Nanotubes, Carbon; Polyglutamic Acid; Sensitivity and Specificity; Tryptophan | 2011 |
Simultaneous determination of tryptophan, kynurenine, kynurenic and xanthurenic acids in honey by liquid chromatography with diode array, fluorescence and tandem mass spectrometry detection.
Topics: Chromatography, Liquid; Formates; Honey; Kynurenic Acid; Kynurenine; Methanol; Reproducibility of Results; Sensitivity and Specificity; Spain; Tandem Mass Spectrometry; Tryptophan; Xanthurenates | 2011 |
Clinical significance of simultaneous determination of serum tryptophan and tyrosine in patients with lung cancer.
Topics: Adenocarcinoma; Adenocarcinoma of Lung; Biomarkers, Tumor; Case-Control Studies; Chromatography, High Pressure Liquid; Female; Humans; Lung Neoplasms; Male; Middle Aged; Neoplasm Staging; Sensitivity and Specificity; Tryptophan; Tyrosine | 2011 |
Simultaneous determination of urinary tryptophan, tryptophan-related metabolites and creatinine by high performance liquid chromatography with ultraviolet and fluorimetric detection.
Topics: Adult; Chromatography, High Pressure Liquid; Creatinine; Drug Stability; Female; Humans; Hydroxyindoleacetic Acid; Kynurenic Acid; Kynurenine; Linear Models; Male; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan | 2011 |
Characterization of N-acetyltryptophan degradation products in concentrated human serum albumin solutions and development of an automated high performance liquid chromatography-mass spectrometry method for their quantitation.
Topics: Chromatography, Gel; Chromatography, High Pressure Liquid; Humans; Indoles; Reproducibility of Results; Sensitivity and Specificity; Serum Albumin; Tryptophan | 2011 |
Electrodeposited acetaminophen as a bifunctional electrocatalyst for simultaneous determination of ascorbic acid, glutathione, adrenaline and tryptophan.
Topics: Acetaminophen; Ascorbic Acid; Catalysis; Electrochemical Techniques; Electrodes; Epinephrine; Glutathione; Reproducibility of Results; Sensitivity and Specificity; Tryptophan | 2011 |
A novel approach for the selective determination of tryptophan in blood serum in the presence of tyrosine based on the electrochemical reduction of oxidation product of tryptophan formed in situ on graphite electrode.
Topics: Biosensing Techniques; Blood Chemical Analysis; Conductometry; Electrodes; Equipment Design; Equipment Failure Analysis; Graphite; Humans; Oxidation-Reduction; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Tyrosine | 2012 |
A near-infrared fluorescent probe for monitoring ozone and imaging in living cells.
Topics: Animals; Carbocyanines; Cell Line, Tumor; Fluorescent Dyes; Half-Life; Humans; Lung Neoplasms; Macrophages; Magnetic Resonance Spectroscopy; Mice; Microscopy, Confocal; Molecular Imaging; Ozone; Reactive Oxygen Species; Sensitivity and Specificity; Spectroscopy, Near-Infrared; Tetradecanoylphorbol Acetate; Tryptophan | 2012 |
Immobilization of chitosan in sol-gel phases for chiral open-tubular capillary electrochromatography.
Topics: Alanine; Capillary Electrochromatography; Catechin; Chitosan; Glycine; Hydrophobic and Hydrophilic Interactions; Phase Transition; Sensitivity and Specificity; Silanes; Stereoisomerism; Tryptophan | 2012 |
Epidemiology of Klebsiella oxytoca-associated diarrhea detected by Simmons citrate agar supplemented with inositol, tryptophan, and bile salts.
Topics: Adolescent; Adult; Agar; Aged; Aged, 80 and over; Bacteriological Techniques; Bile Acids and Salts; Cell Line; Child; Child, Preschool; Citric Acid; Culture Media; Diarrhea; Electrophoresis, Gel, Pulsed-Field; Hepatocytes; Hong Kong; Hospitalization; Humans; Infant; Inositol; Klebsiella Infections; Klebsiella oxytoca; Male; Middle Aged; Molecular Typing; Sensitivity and Specificity; Tryptophan; Young Adult | 2012 |
Simultaneous determination of tyrosine, tryptophan and 5-hydroxytryptamine in serum of MDD patients by high performance liquid chromatography with fluorescence detection.
Topics: Adult; Blood Proteins; Calibration; Chromatography, High Pressure Liquid; Depressive Disorder, Major; Female; Fluorescence; Humans; Hydrogen-Ion Concentration; Male; Middle Aged; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Time Factors; Tryptophan; Tyrosine; Young Adult | 2012 |
Ion-selective electrodes based on L-tryptophan and L-tyrosine.
Topics: Biosensing Techniques; Cations; Ion-Selective Electrodes; Ionophores; Membranes, Artificial; Metals; Potentiometry; Quaternary Ammonium Compounds; Sensitivity and Specificity; Tryptophan; Tyrosine | 2012 |
Stokes shift spectroscopy pilot study for cancerous and normal prostate tissues.
Topics: Collagen; Flavin-Adenine Dinucleotide; Humans; Male; NAD; Pilot Projects; Prostatic Neoplasms; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2012 |
Electrosynthesis of an imidazole derivative and its application as a bifunctional electrocatalyst for simultaneous determination of ascorbic acid, adrenaline, acetaminophen, and tryptophan at a multi-wall carbon nanotubes modified electrode surface.
Topics: Acetaminophen; Ascorbic Acid; Biosensing Techniques; Catalysis; Complex Mixtures; Conductometry; Electrodes; Electroplating; Epinephrine; Equipment Design; Equipment Failure Analysis; Imidazoles; Nanotechnology; Nanotubes, Carbon; Reproducibility of Results; Sensitivity and Specificity; Tryptophan | 2013 |
Stokes shift spectroscopic analysis of multifluorophores for human cancer detection in breast and prostate tissues.
Topics: Biomarkers; Breast Neoplasms; Collagen; Female; Humans; Male; NAD; Optical Imaging; Prostatic Neoplasms; ROC Curve; Sensitivity and Specificity; Tryptophan | 2013 |
The role of Trp side chains in tuning single proton conduction through gramicidin channels.
Topics: Biophysical Phenomena; Biophysics; Electrophysiology; Gramicidin; Kinetics; Lipid Bilayers; Protons; Sensitivity and Specificity; Time Factors; Tryptophan | 2002 |
Matrix-assisted laser desorption/ionization-tandem mass spectrometry with high resolution and sensitivity for identification and characterization of proteins.
Topics: Animals; Cattle; Databases, Protein; Electrophoresis, Gel, Two-Dimensional; Heart Ventricles; Molecular Structure; Oxidation-Reduction; Peptide Mapping; Proteins; Sensitivity and Specificity; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan | 2002 |
Modified model for the regulation of the tryptophan operon in Escherichia coli.
Topics: Bacterial Proteins; Computer Simulation; Escherichia coli; Gene Expression Regulation, Bacterial; Genetic Engineering; Models, Chemical; Models, Genetic; Operon; Periodicity; Quality Control; Repressor Proteins; Sensitivity and Specificity; Stochastic Processes; Tryptophan | 2002 |
Quantitation of tryptophan, kynurenine and kynurenic acid in human plasma by capillary liquid chromatography-electrospray ionization tandem mass spectrometry.
Topics: Calibration; Chromatography, Liquid; Humans; Kynurenic Acid; Kynurenine; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Tryptophan | 2002 |
Direct determination of tryptophan using high-performance anion-exchange chromatography with integrated pulsed amperometric detection.
Topics: Animal Feed; Animals; Cattle; Chromatography, Ion Exchange; Culture Media; Electrochemistry; Escherichia coli; Fermentation; Glucose; Saccharomyces cerevisiae; Sensitivity and Specificity; Serum Albumin, Bovine; Sodium Hydroxide; Tryptophan | 2002 |
Serotonin precursor (5-hydroxytryptophan) has a profound effect on the post-copulatory time-fixed sexually refractory stage in the male cricket, Gryllus bimaculatus DeGeer.
Topics: 5-Hydroxytryptophan; Animals; Arousal; Biogenic Amines; Copulation; Ejaculation; Gryllidae; Male; Octopamine; Periodicity; Reference Values; Refractory Period, Electrophysiological; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Sexual Behavior, Animal; Spermatogonia; Tryptophan; Vocalization, Animal | 2002 |
Analysis of bromotryptophan and hydroxyproline modifications by high-resolution, high-accuracy precursor ion scanning utilizing fragment ions with mass-deficient mass tags.
Topics: Animals; Conotoxins; Hydroxyproline; Ions; Mass Spectrometry; Mollusca; Mollusk Venoms; Sensitivity and Specificity; Tryptophan | 2002 |
Constrained analysis of fluorescence anisotropy decay:application to experimental protein dynamics.
Topics: Animals; Anisotropy; Fishes; Fluorescence Polarization; Light; Models, Molecular; Motion; Parvalbumins; Protein Conformation; Proteins; Quality Control; Rats; Rats, Mutant Strains; Reproducibility of Results; Rheology; Rotation; Sensitivity and Specificity; Solutions; Species Specificity; Tryptophan; Viscosity; Water | 2003 |
Highly sensitive reaction of tryptophan with p-phenylenediamine.
Topics: Molecular Structure; Phenylenediamines; Proteins; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry; Tablets; Tryptophan | 2003 |
Corn feeding during development induces changes in the number of serotonergic neurons in the raphe nuclei.
Topics: Aging; Animal Feed; Animals; Animals, Newborn; Body Weight; Diet, Protein-Restricted; Female; Neurons; Raphe Nuclei; Rats; Rats, Inbred WF; Reference Values; Reproducibility of Results; Seeds; Sensitivity and Specificity; Serotonin; Tryptophan; Zea mays | 2003 |
Alpha-methyl-L-tryptophan PET detects epileptogenic cortex in children with intractable epilepsy.
Topics: Adolescent; Child; Child, Preschool; Electroencephalography; Energy Metabolism; Epilepsy; Female; Fluorodeoxyglucose F18; Humans; Infant; Magnetic Resonance Imaging; Male; Neocortex; Radiopharmaceuticals; Sensitivity and Specificity; Serotonin; Tomography, Emission-Computed; Treatment Outcome; Tryptophan | 2003 |
[Fluorescence quenching method for the determination of p-hydroxyphenylpyruvic acid].
Topics: Calibration; Energy Transfer; Humans; Indicators and Reagents; Phenylpyruvic Acids; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2001 |
[Simultaneous determination of tryptophan and tyrosine in injection by artificial neural network and fluorescence spectrum method].
Topics: Amino Acids; Injections; Neural Networks, Computer; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan; Tyrosine | 2003 |
Increased degradation of tryptophan in blood of patients with rheumatoid arthritis.
Topics: Arthritis, Rheumatoid; Biomarkers; Chromatography, High Pressure Liquid; Cohort Studies; Female; Humans; Kynurenine; Male; Neopterin; Probability; Prognosis; Sensitivity and Specificity; Severity of Illness Index; Tryptophan | 2003 |
The specificity of tryptophan analogues as inducers, substrates, inhibitors, and stabilizers of liver tryptophan pyrrolase.
Topics: Liver; Organic Chemicals; Oxidoreductases; Sensitivity and Specificity; Tryptophan; Tryptophan Oxygenase | 1960 |
Amino acid balance and imbalance. IV. Specificity of threonine in producing an imbalance in diets deficient in niacin and tryptophan.
Topics: Amino Acids; Diet; Niacin; Sensitivity and Specificity; Threonine; Tryptophan | 1960 |
Two-dimensional fluorescence correlation spectroscopy: resolution of fluorescence of tryptophan residues in horse heart myoglobin.
Topics: Algorithms; Animals; Horses; Myocardium; Myoglobin; Protein Conformation; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence; Statistics as Topic; Tryptophan | 2003 |
Crystal structures that suggest late development of genetic code components for differentiating aromatic side chains.
Topics: Adenosine Monophosphate; Amino Acid Sequence; Binding Sites; Conserved Sequence; Crystallography, X-Ray; Genetic Code; Geobacillus stearothermophilus; Humans; Models, Molecular; Molecular Sequence Data; Phylogeny; Protein Conformation; Sensitivity and Specificity; Sequence Alignment; Sequence Homology, Amino Acid; Tryptophan; Tryptophan-tRNA Ligase | 2003 |
Detection of murine intestinal adenomas using targeted molecular autofluorescence.
Topics: Adenomatous Polyps; Animals; Colonic Polyps; Disease Models, Animal; Intestinal Polyps; Intestine, Small; Mice; Mice, Inbred C57BL; Microscopy, Fluorescence; Pilot Projects; Precancerous Conditions; Predictive Value of Tests; Sensitivity and Specificity; Tryptophan | 2004 |
Stable isotopic characterization of active pharmaceutical ingredients.
Topics: Carbon Isotopes; Hydrocortisone; Isotopes; Mass Spectrometry; Nitrogen Isotopes; Oxygen Isotopes; Pharmaceutical Preparations; Quinine; Sensitivity and Specificity; Tropicamide; Tryptophan | 2004 |
The diagnostic value of serum concentrations of 2-(alpha-mannopyranosyl)-L-tryptophan for normal renal function.
Topics: Adolescent; Adult; Aging; Area Under Curve; Child; Creatinine; Female; Humans; Ketoses; Kidney Function Tests; Male; Middle Aged; Osmolar Concentration; Predictive Value of Tests; Reference Values; ROC Curve; Sensitivity and Specificity; Tryptophan | 2004 |
Microfluorometric detection of catecholamines with multiphoton-excited fluorescence.
Topics: Catecholamines; Dopamine; Epinephrine; Fluorescence; Fluorometry; Photons; Sensitivity and Specificity; Serotonin; Tryptophan | 2004 |
High-performance affinity monolith chromatography: development and evaluation of human serum albumin columns.
Topics: Carbonates; Chromatography, Affinity; Epoxy Compounds; Humans; Imidazoles; Methacrylates; Molecular Structure; Schiff Bases; Sensitivity and Specificity; Serum Albumin; Stereoisomerism; Succinimides; Time Factors; Tryptophan; Warfarin | 2004 |
Simultaneous determination of tryptophan and kynurenine in serum by HPLC with UV and fluorescence detection.
Topics: Chromatography, High Pressure Liquid; Humans; Kynurenine; Quality Control; Sensitivity and Specificity; Tryptophan | 2004 |
Photophysics of tryptophan fluorescence: link with the catalytic strategy of the citrate synthase from Thermoplasma acidophilum.
Topics: Amino Acid Substitution; Binding Sites; Catalysis; Citrate (si)-Synthase; Fluorescence; Kinetics; Oxaloacetic Acid; Protein Conformation; Quantum Theory; Sensitivity and Specificity; Spectrometry, Fluorescence; Static Electricity; Substrate Specificity; Thermoplasma; Tryptophan | 2005 |
Separation and determination of L-tryptophan and its metabolites by capillary micellar electrokinetic chromatography with amperometric detection.
Topics: Animals; Buffers; Chromatography, Micellar Electrokinetic Capillary; Electrophoresis, Capillary; Hydrogen-Ion Concentration; Potentiometry; Rabbits; Sensitivity and Specificity; Tryptophan | 2005 |
Synthesis, properties, and photodynamic inactivation of Escherichia coli using a cationic and a noncharged Zn(II) pyridyloxyphthalocyanine derivatives.
Topics: Anthracenes; Cations; Escherichia coli; Indoles; Isoindoles; Light; Molecular Structure; Organometallic Compounds; Oxidation-Reduction; Photobleaching; Photosensitizing Agents; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan; Zinc Compounds | 2005 |
Indirect fluorescence detection of amino sugars with the use of copper complexes of tryptophan and its analogues following high-performance liquid chromatographic separation.
Topics: Amino Sugars; Chromatography, High Pressure Liquid; Copper; Hydrogen-Ion Concentration; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2005 |
Compact detector for proteins based on two-photon excitation of native fluorescence.
Topics: Animals; Cattle; Equipment Design; Equipment Failure Analysis; Fluorescence; Lab-On-A-Chip Devices; Lasers; Microchip Analytical Procedures; Optics and Photonics; Phenylalanine; Photons; Sensitivity and Specificity; Serum Albumin, Bovine; Time Factors; Tryptophan; Tyrosine | 2005 |
In vivo uptake and metabolism of alpha-[11C]methyl-L-tryptophan in human brain tumors.
Topics: Adolescent; Adult; Aged; Brain Neoplasms; Carbon Radioisotopes; Cerebral Cortex; Child; Child, Preschool; Electroencephalography; Female; Gadolinium; Glucose; Humans; Infant; Magnetic Resonance Imaging; Male; Middle Aged; Neoplasm Staging; Positron-Emission Tomography; Seizures; Sensitivity and Specificity; Tryptophan | 2006 |
Full-capillary sample stacking/sweeping-MEKC for the separation of naphthalene-2,3-dicarboxaldehyde-derivatized tryptophan and isoleucine.
Topics: Chromatography, Micellar Electrokinetic Capillary; Isoleucine; Naphthalenes; Sensitivity and Specificity; Tryptophan | 2005 |
Photo-CIDNP experiments with an optimized presaturation pulse train, gated continuous illumination, and a background-nulling pulse grid.
Topics: Animals; Artifacts; Cattle; Flavins; Lactalbumin; Nuclear Magnetic Resonance, Biomolecular; Sensitivity and Specificity; Tryptophan | 2005 |
Identification of pitfalls in the analysis of heat capacity changes of beta-lactoglobulin A.
Topics: Animals; Calorimetry; Calorimetry, Differential Scanning; Cattle; Circular Dichroism; Hot Temperature; Lactoglobulins; Milk; Protein Denaturation; Protein Folding; Sensitivity and Specificity; Spectrometry, Fluorescence; Temperature; Thermodynamics; Tryptophan; Ultraviolet Rays; Urea | 2005 |
Sensitive high-performance liquid chromatographic assay for D-amino-acid oxidase activity in mammalian tissues using a fluorescent non-natural substrate, 5-fluoro-D-tryptophan.
Topics: Amino Acid Oxidoreductases; Animals; Brain; Chromatography, High Pressure Liquid; Fluorescent Dyes; Mice; Sensitivity and Specificity; Tryptophan | 2006 |
Comparison of histidine-tryptophan-ketoglutarate solution (HTK) and University of Wisconsin solution (UW) in adult liver transplantation.
Topics: Adolescent; Adult; Aged; Cohort Studies; Female; Graft Rejection; Graft Survival; Histidine; Humans; Liver; Liver Failure; Liver Transplantation; Male; Middle Aged; Organ Preservation; Organ Preservation Solutions; Probability; Retrospective Studies; Risk Factors; Sensitivity and Specificity; Tryptophan | 2006 |
Thermal vaporization of biological nanoparticles: fragment-free vacuum ultraviolet photoionization mass spectra of tryptophan, phenylalanine-glycine-glycine, and beta-carotene.
Topics: beta Carotene; Energy Transfer; Mass Spectrometry; Nanostructures; Nanotechnology; Oligopeptides; Particle Size; Photons; Sensitivity and Specificity; Tryptophan; Volatilization | 2006 |
Tryptophan-BODIPY: a versatile donor-acceptor pair for probing generic changes of intraprotein distances.
Topics: Boron Compounds; Electron Transport; Fluorescent Dyes; Molecular Probe Techniques; Protein Conformation; Reproducibility of Results; Ribosomal Protein S6; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan | 2006 |
Role of the middle residue in the triple tryptophan electron transfer chain of DNA photolyase: ultrafast spectroscopy of a Trp-->Phe mutant.
Topics: Deoxyribodipyrimidine Photo-Lyase; Electron Transport; Escherichia coli; Flavin-Adenine Dinucleotide; Free Radicals; Mutation; Phenylalanine; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Tryptophan | 2006 |
Vacuum ultraviolet postionization of aromatic groups covalently bound to peptides.
Topics: Peptides; Sensitivity and Specificity; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan | 2006 |
Rotary resonance echo double resonance for measuring heteronuclear dipolar coupling under MAS.
Topics: Algorithms; Nuclear Magnetic Resonance, Biomolecular; Reproducibility of Results; Rotation; Sensitivity and Specificity; Signal Processing, Computer-Assisted; Spin Labels; Tryptophan | 2006 |
Quantification of nitrated tryptophan in proteins and tissues by high-performance liquid chromatography with electrospray ionization tandem mass spectrometry.
Topics: Acetaminophen; Analgesics, Non-Narcotic; Animals; Cattle; Chromatography, High Pressure Liquid; Isomerism; Liver; Male; Mice; Mice, Inbred Strains; Molecular Structure; Nitrates; Peroxynitrous Acid; Protein Binding; Proteins; Reproducibility of Results; Sensitivity and Specificity; Serum Albumin, Bovine; Specific Pathogen-Free Organisms; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Tryptophan | 2007 |
DNA binding studies of novel Copper(II) complexes containing L-tryptophan as chiral auxiliary: in vitro antitumor activity of Cu-Sn2 complex in human neuroblastoma cells.
Topics: Antineoplastic Agents; Apoptosis; Binding Sites; Caspase 3; Cell Line, Tumor; Cell Proliferation; Copper; DNA; Drug Screening Assays, Antitumor; Electron Spin Resonance Spectroscopy; Humans; Magnetic Resonance Spectroscopy; Molecular Structure; Neuroblastoma; Organometallic Compounds; Sensitivity and Specificity; Spectrophotometry, Infrared; Stereoisomerism; Structure-Activity Relationship; Tin; Titrimetry; Tryptophan; Viscosity; Zinc; Zirconium | 2007 |
Photodynamic properties of dipeptide-modified hypocrellin B derivatives: the role of tyrosine and tryptophan groups.
Topics: Anions; DNA; Electron Spin Resonance Spectroscopy; Free Radicals; Molecular Structure; Oxygen; Perylene; Photochemistry; Photochemotherapy; Quantum Theory; Quinones; Sensitivity and Specificity; Tryptophan; Tyrosine; Ultraviolet Rays | 2007 |
High throughput analysis of tryptophan metabolites in a complex matrix using capillary electrophoresis coupled to time-of-flight mass spectrometry.
Topics: Cerebrospinal Fluid; Coated Materials, Biocompatible; Electroosmosis; Electrophoresis, Capillary; Humans; Kynurenine; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Tryptophan | 2007 |
Near infrared multiphoton-induced generation and detection of hydroxyl radicals in a biochemical system.
Topics: Biochemistry; Complex Mixtures; Hydroxyl Radical; Microscopy, Fluorescence, Multiphoton; Pyridines; Sensitivity and Specificity; Spectrophotometry, Infrared; Tryptophan | 2007 |
Spectrophotometric resolution of ternary mixtures of tryptophan, tyrosine, and histidine with the aid of principal component-artificial neural network models.
Topics: Ferricyanides; Histidine; Neural Networks, Computer; Oxidation-Reduction; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Tryptophan; Tyrosine | 2007 |
Selective determination of tryptophan-containing peptides through precolumn derivatization and liquid chromatography using intramolecular fluorescence resonance energy transfer detection.
Topics: Chromatography, Liquid; Fluorescence Resonance Energy Transfer; Fluorescent Dyes; Molecular Structure; Peptides; Reproducibility of Results; Sensitivity and Specificity; Tryptophan | 2007 |
Site-directed circular dichroism of proteins: 1Lb bands of Trp resolve position-specific features in tear lipocalin.
Topics: Absorption; Apoproteins; Circular Dichroism; Dimethyl Sulfoxide; Humans; Lipocalin 1; Mutagenesis, Site-Directed; Mutant Proteins; Mutation; Peptide Mapping; Sensitivity and Specificity; Solvents; Tryptophan; Tyrosine; Ultraviolet Rays | 2008 |
Application of the Phenomenex EZ:faasttrade mark amino acid analysis kit for rapid gas-chromatographic determination of concentrations of plasma tryptophan and its brain uptake competitors.
Topics: Amino Acids; Binding, Competitive; Brain; Chromatography, Gas; Female; Fluorometry; Humans; Indicators and Reagents; Linear Models; Male; Reagent Kits, Diagnostic; Reference Values; Reproducibility of Results; Sensitivity and Specificity; Solid Phase Extraction; Time Factors; Tryptophan | 2008 |
Selective adsorbent for the removal of immunoglobulin E in bronchial asthma.
Topics: Adsorption; Agar; Amino Acids; Asthma; Buffers; Costs and Cost Analysis; Gels; Histocompatibility; Hydrogen-Ion Concentration; Immunoglobulin E; Ligands; Phthalic Anhydrides; Sensitivity and Specificity; Sodium Hydroxide; Succinic Anhydrides; Tryptophan | 2008 |
Capillary electrophoretic separation of biologically active amines and acids using nanoparticle-coated capillaries.
Topics: Biogenic Amines; Electrophoresis, Capillary; Epinephrine; Fluorescence; Homovanillic Acid; Humans; Hydrogen-Ion Concentration; Hydroxyindoleacetic Acid; Lasers; Male; Nanoparticles; Polylysine; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Silicon Dioxide; Tea; Tryptamines; Tryptophan | 2008 |
Simultaneous measurement of tryptophan and related compounds by liquid chromatography/electrospray ionization tandem mass spectrometry.
Topics: Cell Line; Chromatography, Liquid; Reference Standards; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry; Tryptophan | 2008 |
Kinetic determination of tryptophan by using the B-Z oscillating chemical system.
Topics: Kinetics; Methods; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan | 2009 |
Melatonin, a hormone monitorable in vivo by voltammetry?
Topics: Analysis of Variance; Animals; Brain; Brain Chemistry; Butyrates; Butyric Acid; Electrochemistry; Hydroxyindoleacetic Acid; Male; Melatonin; Oxidation-Reduction; Pineal Gland; Rats; Rats, Sprague-Dawley; Sensitivity and Specificity; Tryptophan | 1994 |
The role of tryptophan, 5-hydroxy indole-3-acetic acid and their protein binding in uremic patients.
Topics: Adult; Aged; Catecholamines; Chromatography, High Pressure Liquid; Female; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Muscles; Peritoneal Dialysis, Continuous Ambulatory; Protein Binding; Sensitivity and Specificity; Serum Albumin; Tryptophan; Uremia | 1993 |
Serotonin, nerves, and cerebral blood vessels.
Topics: Animals; Cerebral Arteries; Chromatography, High Pressure Liquid; Culture Media; Hydrazines; Pia Mater; Pterins; Rats; Sensitivity and Specificity; Serotonin; Tryptophan; Tryptophan Hydroxylase | 1995 |
Structure and function in rhodopsin. Measurement of the rate of metarhodopsin II decay by fluorescence spectroscopy.
Topics: Amino Acid Sequence; Animals; Cattle; Cysteine; Hydroxylamine; Hydroxylamines; Kinetics; Light; Models, Structural; Molecular Sequence Data; Mutagenesis, Site-Directed; Photochemistry; Point Mutation; Protein Structure, Secondary; Recombinant Proteins; Rhodopsin; Rod Cell Outer Segment; Sensitivity and Specificity; Spectrometry, Fluorescence; Thermodynamics; Time Factors; Tryptophan | 1995 |
Sensitivity and selectivity of the electrochemical detection of the copper(II) complexes of bioactive peptides, and comparison to model studies by rotating ring-disc electrode.
Topics: Amino Acid Sequence; Animals; Cattle; Chromatography, High Pressure Liquid; Copper; Cytochrome c Group; Electrochemistry; Electrodes; Molecular Sequence Data; Peptides; Sensitivity and Specificity; Trypsin; Tryptophan; Tyrosine | 1995 |
NMR studies of 1H resonances in the 10-18-ppm range for aspartate aminotransferase from Escherichia coli.
Topics: Alanine; Amino Acid Sequence; Asparagine; Aspartate Aminotransferases; Escherichia coli; Histidine; Hydrogen; Magnetic Resonance Spectroscopy; Models, Molecular; Mutagenesis, Site-Directed; Protein Conformation; Pyridoxal Phosphate; Recombinant Proteins; Sensitivity and Specificity; Tryptophan | 1994 |
[Usefulness of spectrophotometric methods Messineo and Musarra for free tryptophan determination in blood plasma].
Topics: Evaluation Studies as Topic; Humans; Sensitivity and Specificity; Spectrophotometry; Tryptophan | 1993 |
Duodenum is not a consistent source of melatonin in rats.
Topics: 5-Hydroxytryptophan; Animals; Chromatography; Duodenum; In Vitro Techniques; Male; Melatonin; Pineal Gland; Rats; Rats, Inbred F344; Rats, Sprague-Dawley; Sensitivity and Specificity; Serotonin; Spectrometry, Fluorescence; Tryptophan | 1994 |
Interleukin-2, soluble interleukin-2-receptor, neopterin, L-tryptophan and beta 2-microglobulin levels in CSF and serum of patients with relapsing-remitting or chronic-progressive multiple sclerosis.
Topics: Acute Disease; Adult; beta 2-Microglobulin; Biomarkers; Biopterins; Blood Proteins; Cerebrospinal Fluid Proteins; Chronic Disease; Female; Humans; Interleukin-2; Male; Middle Aged; Multiple Sclerosis; Neopterin; Receptors, Interleukin-2; Recurrence; Sensitivity and Specificity; Tryptophan | 1993 |
Sensitive determination of 1,1'-ethylidenebis(L-tryptophan) in L-tryptophan by gradient HPLC with fluorimetric detection.
Topics: Chromatography, High Pressure Liquid; Drug Contamination; Reference Standards; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry; Tryptophan | 1993 |
Determination of tryptophan and its kynurenine pathway metabolites in human serum by high-performance liquid chromatography with simultaneous ultraviolet and fluorimetric detection.
Topics: Chromatography, High Pressure Liquid; Humans; Kynurenine; Sensitivity and Specificity; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Tryptophan | 1996 |
Isocratic high-performance liquid chromatographic determination of tryptophan in infant formulas.
Topics: Acetates; Acetic Acid; Chromatography, High Pressure Liquid; Humans; Hydrogen-Ion Concentration; Infant; Infant Food; Infant, Newborn; Isothiocyanates; Osmolar Concentration; Sensitivity and Specificity; Solvents; Thiocyanates; Tryptophan | 1996 |
Pharmaceutical fingerprinting: evaluation of neural networks and chemometric techniques for distinguishing among same-product manufacturers.
Topics: Chemistry, Pharmaceutical; Chromatography, High Pressure Liquid; Drug Contamination; Evaluation Studies as Topic; Humans; Models, Molecular; Neural Networks, Computer; Sensitivity and Specificity; Tryptophan | 1996 |
Indirect UV detection of carbohydrates in capillary zone electrophoresis by using tryptophan as a marker.
Topics: Buffers; Cations; Computer Simulation; Dose-Response Relationship, Drug; Electrodes; Electrophoresis, Capillary; Hydrogen-Ion Concentration; Ions; Monosaccharides; Oligosaccharides; Reproducibility of Results; Sensitivity and Specificity; Tryptophan; Ultraviolet Rays | 1996 |
Is an altered tryptophan metabolism responsible for age-related cataract?
Topics: 3-Hydroxyanthranilic Acid; Aged; Cataract; Chromatography, High Pressure Liquid; Female; Humans; Kynurenine; Male; Reference Values; Sensitivity and Specificity; Tryptophan | 1996 |
Oxidation of free and peptide bound tryptophan.
Topics: Chromatography, High Pressure Liquid; Hydrogen Peroxide; Indicators and Reagents; Kinetics; Muramidase; Oligopeptides; Oxidation-Reduction; Peptides; Pyrroles; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Tryptophan | 1996 |
Time-resolved fluorescence. An approach in protein analysis.
Topics: Animals; Cattle; Humans; Models, Theoretical; Phenylalanine; Proteins; Sensitivity and Specificity; Serum Albumin; Serum Albumin, Bovine; Spectrometry, Fluorescence; Spectrophotometry, Ultraviolet; Time Factors; Tryptophan; Tyrosine | 1996 |
Quantitative determination of tryptophan enantiomers by capillary electrophoresis.
Topics: Cyclodextrins; Electrolytes; Electrophoresis, Capillary; Hydrogen-Ion Concentration; Linear Models; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Stereoisomerism; Tryptophan | 1996 |
Determination of the 8-methyl ether of xanthurenic acid in human serum by high-performance liquid chromatography with fluorescence detection.
Topics: Amino Acid Metabolism, Inborn Errors; Chromatography, High Pressure Liquid; Ethers; Humans; Kynurenine; Sensitivity and Specificity; Silicon Dioxide; Spectrometry, Fluorescence; Tryptophan; Xanthurenates | 1996 |
The tachykinin NK1 receptor antagonist PD 154075 blocks cisplatin-induced delayed emesis in the ferret.
Topics: Animals; Antiemetics; Antineoplastic Agents; Behavior, Animal; Brain; CHO Cells; Cisplatin; Cricetinae; Dogs; Female; Ferrets; Gerbillinae; Guinea Pigs; Humans; Male; Mice; Neurokinin-1 Receptor Antagonists; Rats; Rats, Wistar; Sensitivity and Specificity; Sheep; Substance P; Swine; Time Factors; Tryptophan; Vomiting | 1997 |
High degree of sensitivity of the simian immunodeficiency virus (SIVmac) envelope glycoprotein subunit association to amino acid changes in the glycoprotein 41 ectodomain.
Topics: Amino Acid Sequence; Animals; Binding Sites; CD4 Antigens; Cell Line; COS Cells; HIV Envelope Protein gp120; Humans; Membrane Glycoproteins; Methionine; Molecular Sequence Data; Point Mutation; Retroviridae Proteins; Sensitivity and Specificity; Simian Immunodeficiency Virus; Tryptophan; Viral Envelope Proteins | 1997 |
A tryptophan-2-monooxygenase based amperometric biosensor for L-tryptophan determination: use of a competitive inhibitor as a tool for selectivity increase.
Topics: Biosensing Techniques; Mixed Function Oxygenases; Phenylalanine; Sensitivity and Specificity; Tryptophan | 1997 |
Direct fluorometry of phase-extracted tryptamine-based fast quantitative assay of L-tryptophan decarboxylase from Catharanthus roseus leaf.
Topics: Alkalies; Aromatic-L-Amino-Acid Decarboxylases; Fluorescence; Fluorometry; Plant Leaves; Sensitivity and Specificity; Spectrometry, Fluorescence; Substrate Specificity; Tryptamines; Tryptophan | 1998 |
Decrease in vitamin C concentration in human lenses during cataract progression.
Topics: Ascorbic Acid; Cataract; Disease Progression; Female; Fructose; Humans; Lens Nucleus, Crystalline; Lysine; Male; Sensitivity and Specificity; Tryptophan | 1998 |
Simultaneous measurement of dopamine, serotonin, their metabolites and tryptophan in mouse brain homogenates by high-performance liquid chromatography with dual coulometric detection.
Topics: Animals; Brain; Chromatography, High Pressure Liquid; Dopamine; Electrochemistry; Mice; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Serotonin; Tryptophan | 1999 |
Enhancement of the specificity of an enzyme-based biosensor for L-tryptophan.
Topics: Biosensing Techniques; Electrochemistry; Enzymes, Immobilized; Escherichia coli; Kinetics; Phenylalanine; Pseudomonas; Recombinant Proteins; Sensitivity and Specificity; Tryptophan; Tryptophan Hydroxylase | 1999 |
Screening for defects in tryptophan metabolism.
Topics: Amino Acid Metabolism, Inborn Errors; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Humans; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Tryptophan | 2000 |
A rapid method to detect dried saliva stains swabbed from human skin using fluorescence spectroscopy.
Topics: Adult; Amylases; Child; Child Abuse, Sexual; DNA Fingerprinting; Forensic Medicine; Humans; Rape; Saliva; Sensitivity and Specificity; Skin; Spectrometry, Fluorescence; Time Factors; Tryptophan | 2000 |
Amino acid analysis. An overview.
Topics: Amino Acids; Asparagine; Cysteine; Cystine; Glutamine; Hydrolysis; Sensitivity and Specificity; Stereoisomerism; Tryptophan | 2000 |
Tc-99m PMT whole-body scintigraphy for evaluated of therapeutic effect and for monitoring bone metastasis in a patient with hepatocellular carcinoma.
Topics: Bone and Bones; Bone Neoplasms; Carcinoma, Hepatocellular; Humans; Liver Neoplasms; Male; Middle Aged; Organotechnetium Compounds; Radionuclide Imaging; Radiopharmaceuticals; Sensitivity and Specificity; Tryptophan | 2000 |
Tc-99m PMT hepatobiliary scintigraphy in the differential diagnosis of extrahepatic metastases and hepatocellular carcinoma.
Topics: Aged; Bone Neoplasms; Carcinoma, Hepatocellular; Diagnosis, Differential; Female; Humans; Liver Neoplasms; Male; Organotechnetium Compounds; Predictive Value of Tests; Radiopharmaceuticals; Sensitivity and Specificity; Technetium Tc 99m Medronate; Time Factors; Tomography, Emission-Computed, Single-Photon; Tryptophan | 2000 |
Kynurenine production and catabolism in fetal sheep with embolized or nonembolized placentas.
Topics: Animals; Disease Models, Animal; Embolism; Female; Fetal Blood; Fetal Diseases; Fetal Growth Retardation; Infusions, Intravenous; Kynurenic Acid; Placenta; Placental Insufficiency; Pregnancy; Pregnancy, Animal; Probability; Quinolinic Acid; Reference Values; Sensitivity and Specificity; Sheep; Tryptophan | 2001 |
More rapid method for simultaneous measurement of tryptophan and kynurenine by HPLC.
Topics: Adult; Chromatography, High Pressure Liquid; Female; Humans; Kynurenine; Male; Reproducibility of Results; Sensitivity and Specificity; Tryptophan | 2002 |
Novel and sensitive high-performance liquid chromatographic method based on electrochemical coulometric array detection for simultaneous determination of catecholamines, kynurenine and indole derivatives of tryptophan.
Topics: Brain Chemistry; Catecholamines; Chromatography, High Pressure Liquid; Electrochemistry; Indoles; Kynurenine; Reproducibility of Results; Sensitivity and Specificity; Tryptophan | 2002 |
Primary recovery of a genetically engineered Trichoderma reesei endoglucanase I (Cel 7B) fusion protein in cloud point extraction systems.
Topics: Bioreactors; Blotting, Western; Cellulase; Cellulose 1,4-beta-Cellobiosidase; Chemistry Techniques, Analytical; Detergents; Fermentation; Hydrophobic and Hydrophilic Interactions; Pilot Projects; Polyethylenes; Polypropylenes; Protein Engineering; Recombinant Fusion Proteins; Sensitivity and Specificity; Surface-Active Agents; Temperature; Trichoderma; Tryptophan | 2002 |
Location and dynamics of tryptophan in transmembrane alpha-helix peptides: a fluorescence and circular dichroism study.
Topics: Anisotropy; Biomimetics; Circular Dichroism; Glucosides; Membrane Proteins; Membranes, Artificial; Methanol; Micelles; Protein Structure, Secondary; Sensitivity and Specificity; Spectrometry, Fluorescence; Tryptophan; Water | 2002 |
Tryptophan inhibits the [3H]glutamate uptake into Xenopus oocytes injected with rat brain mRNA.
Topics: Amino Acid Transport System X-AG; Animals; Brain; Brain Chemistry; Glutamates; Glutamic Acid; Glycoproteins; Male; Neurotransmitter Uptake Inhibitors; Oocytes; Rats; Rats, Wistar; RNA, Messenger; Sensitivity and Specificity; Tritium; Tryptophan; Xenopus laevis | 1992 |
A strategy for increasing an in vivo flux by genetic manipulations. The tryptophan system of yeast.
Topics: Down-Regulation; Enzymes; Gene Expression Regulation, Enzymologic; Genotype; Phenotype; Saccharomyces cerevisiae; Sensitivity and Specificity; Tryptophan; Up-Regulation | 1992 |
Terbium(III) luminescence study of the spatial relationship of tryptophan residues to the two metal ion binding sites of Escherichia coli glutamine synthetase.
Topics: Binding Sites; Cloning, Molecular; Energy Transfer; Escherichia coli; Glutamate-Ammonia Ligase; Luminescent Measurements; Metals; Mutation; Sensitivity and Specificity; Serine; Terbium; Tryptophan; X-Ray Diffraction | 1991 |
A 4-GHz frequency-domain fluorometer with internal microchannel plate photomultiplier cross-correlation.
Topics: Fluorescence; Fluorescent Dyes; Fluorometry; Sensitivity and Specificity; Tryptophan; Water | 1991 |
Diagnostic evaluation of hepatobiliary scintigraphy using 99mTc-N-pyridoxyl-5-methyltryptophan in acute cholecystitis.
Topics: Acute Disease; Cholecystitis; Humans; Organometallic Compounds; Organotechnetium Compounds; Predictive Value of Tests; Radionuclide Imaging; Sensitivity and Specificity; Technetium; Tryptophan | 1988 |