aminopenicillanic acid has been researched along with penicillanic acid in 180 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 75 (41.67) | 18.7374 |
1990's | 26 (14.44) | 18.2507 |
2000's | 45 (25.00) | 29.6817 |
2010's | 33 (18.33) | 24.3611 |
2020's | 1 (0.56) | 2.80 |
Authors | Studies |
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Forsman, U; Karlberg, B | 1 |
Chojnowski, W; Gralewicz, J; Jastalska, D; Morris-Rostkowska, W; Zapaśnik, M | 1 |
Di Bitetto, M; Mangia, A; Silingardi, S | 1 |
Kornfeld, JM | 1 |
Ishiguro, EE; Iwaya, M; Turley, W | 1 |
Bartoshevich, IuE; Lur'e, LM; Suvorova, MV; Tikhonova, OV | 1 |
Chang, HN; Lee, CY; Lee, YH | 1 |
Ambekar, GR; Bhatnagar, S; Gadre, RA; Koilpillai, L; Kumar, KK; Ponrathnam, S; Raman, RC; Shewale, JG | 1 |
Erarslan, A; Güray, A | 1 |
Barenschee, T; Scheper, T; Schügerl, K | 1 |
Nayler, JH | 1 |
Luengo, JM; Martín-Villacorta, J; Reglero, A | 2 |
Dunbar, B; Horrocks, AJ; Lindsay, CD; Slade, A; Virden, R | 1 |
Fernández-Cañón, JM; Ferrero, MA; Luengo, JM; Martín-Villacorta, J; Reglero, A | 1 |
Luengo, JM; Martín-Villacorta, J; Martínez-Blanco, H; Reglero, A | 1 |
Bryan, LE; Godfrey, AJ | 1 |
Forsman, M; Häggström, B; Jaurin, B; Lindgren, L | 1 |
Alvarez, E; Barredo, JL; Cantoral, JM; Díez, B; Martín, JF | 1 |
Goldberg, RN; Tewari, YB | 1 |
Rolinson, GN | 3 |
Karlsen, LG; Møllgaard, H | 1 |
Yabu, K | 3 |
Luengo, JM | 1 |
Bartoshevich, IuE; Navashin, SM; Nys, PS; Shviadas, VIu | 1 |
Briese, T; Ellerbrok, H; Hakenbeck, R | 1 |
Iriso, JL; López-Nieto, MJ; Luengo, JM | 1 |
Haginaka, J; Wakai, J | 1 |
Fong, GW; Johnson, RN; Kho, BT; Martin, DT | 1 |
Koeda, T; Yoshida, M | 1 |
Haufler, U; Kasche, V; Riechmann, L | 1 |
Baker, WL | 2 |
Haufler, U; Kasche, V; Zöllner, R | 1 |
Cieślak, J; Kazimierczak, J; Kotulowa, W; Mikołajczyk, J | 1 |
Wojskowicz, J | 1 |
Fukagawa, Y; Ishikura, T; Takei, T | 1 |
Chacko, E; Sheehan, JC; Shibahara, S | 1 |
Baker, WL; Blake, BD | 1 |
Selwyn, S | 1 |
Frère, JM; Ghuysen, JM; Kelly, JA; Klein, D | 1 |
Galunsky, B; Kasche, V | 1 |
Gunda, TE; Punyiczki, M | 1 |
Georgiev, D; Neĭchev, Kh; Shirova, L; Slavcheva, E; Toshkov, A | 1 |
Shirova, L; Toshkov, A | 1 |
König, HB; Metzger, KG; Offe, HA; Schröck, W | 1 |
Kopecek, J; Solovskij, MV; Ulbrich, K | 1 |
Day, RA; Heckler, TG | 1 |
Barron, RP; Benson, WR; Ohashi, M | 1 |
Balabanova, EL; Baru, RV; Lapchinskaia, AV; Sergeeva, EI; Zel'tser, IZ | 1 |
Flegel, TW; Meevootisom, V; Prachaktam, R; Somsuk, P | 1 |
Gestrelius, S; Møllgaard, H; Nielsen, BH | 1 |
Sosnovskaya, IN; Yatsimirskaya, NT; Yatsimirsky, AK | 1 |
Bartoshevich, IuE; Nys, PS | 1 |
Matsumoto, K | 1 |
Aguiar, MR; Gemal, AL; Menezes, SM; San Gil, RA | 1 |
Casy, AF; Lipczynski, A | 1 |
Frère, JM; Galleni, M; Jamin, M; Joris, B; Lakaye, B; Lepage, S; Thamm, I | 1 |
Aplin, RT; Baldwin, JE; Roach, PL; Robinson, CV; Schofield, CJ | 1 |
Demonty, J | 1 |
Ma, TX; Zhang, LR | 1 |
Abraham, EP; Whiteman, PA | 1 |
Lucas, L; Schügerl, K; Yang, ZF | 1 |
Bruns, O; Bruns, W; Pulverer, G | 1 |
Cabral, JM; Fonseca, LP | 1 |
Lowenstein, CJ; McMillan, A; Ocampo, CJ; Saura, M; Zaragoza, C | 1 |
Chou, CP; Kuo, BY; Lin, WJ; Wang, WC; Yu, CC | 1 |
Fernandez-Lafuente, R; Giordano, RL; Gonçalves, LR; Guisán, JM | 1 |
Kaloyanov, N; Stoyanova, R | 1 |
Prabhu, KS; Ramadoss, CS | 1 |
Acebal, C; Arroyo, M; Castillón, MP; de La Mata, I; Torres-Bacete, J; Torres-Guzmán, R | 1 |
Svedas, VK; Youshko, MI | 1 |
de Vroom, E; Sheldon, RA; Svedas, VK; van Langen, LM; van Rantwijk, F; Youshko, MI | 2 |
Marestani, Z; Mrestani, Y; Neubert, RH | 1 |
Alonso, J; Fernández-Lafuente, R; Fernández-Lorente, G; García-López, JL; Guisan, JM; Hernández-Jústiz, O; Mateo, C; Moreno, MA; Terreni, M | 1 |
Beyer, M; Jakobsen, M; Nielsen, J; Noorman, H; Robin, J | 1 |
Buchberger, W; Haddad, PR; Hilder, EF; Klampfl, CW | 1 |
Diender, MB; Heijnen, JJ; Ras, C; Straathof, AJ; van der Does, T | 1 |
Adrangui, M; Ghassempour, A; Nasiri-Aghdam, M; Salehpour, P; Vaezi, F | 1 |
Alkema, WB; de Vries, E; Janssen, DB; Prins, AK | 1 |
Fernandez-Lafuente, R; Giordano, RC; Giordano, RL; Gonçalves, LR; Guisan, JM; Sousa, R | 1 |
Chilov, GG; Shcherbakova, TA; Svedas, VK; Youshko, MI | 1 |
Acebal, C; Arroyo, M; Castillón, MP; de la Mata, I | 1 |
Du, JY; Zhang, MJ; Zhao, JM | 1 |
Balestrini, AA; Beric, V; Kibbler, CC; Quick, A; Stone, SP | 1 |
Fernandez-Lafuente, R; Giordano, RC; Giordano, RL; Gonçalves, LR; Guisan, JM | 1 |
Barboza, M; Giordano, Rde L; Vieira, MF | 1 |
Bukhanov, AL; Svedas, VK; Youshko, MI | 1 |
Chmelíková, R; Hasal, P; Zadrazil, A | 1 |
Alkema, WB; de Vries, E; Floris, R; Janssen, DB | 1 |
BATCHELOR, FR; DOYLE, FP; NAYLER, JH; ROLINSON, GN | 1 |
BALLIO, A; CHAIN, EB; DENTICE DI ACCADIA, F; MAURI, M; RAUER, K; SCHLESINGER, MJ; SCHLESINGER, S | 1 |
ENGLISH, AR; HUANT, HT; SOBIN, BA | 1 |
HUGO, WB; RUSSELL, AD | 1 |
KAMEDA, Y; KIMURA, Y; OMORI, T; TOYOURA, E | 1 |
BATCHELOR, FR; WOOD, JC | 1 |
FALLOWFIELD, TL | 1 |
HARRISON, PM; STEWART, GT | 1 |
HUANG, HT; SETO, TA; SHULL, GM | 1 |
SZTARICSKAI, F; URI, J | 1 |
CHENEY, LC; CRAST, LB; GOUREVITCH, A; LEIN, J; MINOR, WF; PERRON, YG | 1 |
KULHANEK, M; TADRA, M | 1 |
BEKESI, I; URI, J; VALU, G | 1 |
CIGNARELLA, G; CRISTIANI, GF; PIFFERI, G; TESTA, E; TIMBAL, MT | 1 |
WALTON, RB | 1 |
JAGO, M | 1 |
WATSON, KC | 1 |
DAY, RA; SHAH, R; YIP, LC | 1 |
ROBINSON, OP | 1 |
CENEY, LC; CRAST, LB; ESSERY, JM; FRASER, RR; GODFREY, JC; HOLDREGE, CT; MINOR, WF; NEUBERT, ME; PARTYKA, RA; PERRON, YG | 1 |
CIGNARELLA, G; FUERESZ, S; MAFFII, G; PIFFERI, G; SCHIATTI, P; TESTA, E; TIMBAL, MT | 1 |
BOMSTEIN, J; EVANS, WG | 1 |
BRANDRISS, MW; SMITH, JW; STEINMAN, HG | 1 |
BATCHELOR, FR; BUTTERWORTH, D; CAMERON-WOOD, J; CHAIN, EB; COLE, M; EUSTACE, GC; HART, MV; RICHARDS, M; ROLINSON, GN | 1 |
BATCHELOR, FR; CAMERON-WOOD, J; CHAIN, EB; ROLINSON, GN | 1 |
BATCHELOR, FR; CHAIN, EB; HARDY, TL; MANSFORD, KR; ROLINSON, GN | 1 |
BATCHELOR, FR; CHAIN, EB; RICHARDS, M; ROLINSON, GN | 1 |
BATCHELOR, FR; CHAIN, EB; ROLINSON, GN | 1 |
COLE, M; ROLINSON, GN | 1 |
Boosten, WH; Bukhanov, AL; Moody, HM; Svedas, VK; Youshko, MI | 1 |
Cabral, JM; Cao, XJ; Fonseca, LJ; Marcos, JC; Wu, XY | 1 |
Gabor, EM; Janssen, DB | 1 |
Helm, RF; Jervis, J; Joardar, V; Potts, M; Scherer, S; Smith, SC; Warren, A; Wright, DJ | 1 |
Biron, F; Depagne, C; Guerin, JC; Louerat, C; Nesme, P | 1 |
Geddes, AM; Rolinson, GN | 1 |
Gunasekaran, P; Rajendhran, J | 1 |
García-Estrada, C; Lamas-Maceiras, M; Martín, JF; Vaca, I | 1 |
Hall, AJ; Moreno-Bondi, MC; Orellana, G; Sellergren, B; Urraca, JL | 1 |
Kóczián, K; Kökösi, J; Noszál, B; Szakács, Z | 1 |
Ben Salem, A; Corvis, Y; de Vains, JB; Korchowiec, B; Korchowiec, J; Rogalska, E | 1 |
Cao, XJ; Chu, J; Jin, KM; Ma, L; Su, J; Zhang, SL; Zhuang, YP | 1 |
Chan, HW; Chan, KC; Chan, PH; Chung, WH; Lai, TS; Leung, YC; Ma, DL; Siu, FM; So, PK; Tsang, CW; Wong, KY; Yiu, KF; Zhao, Y | 1 |
Brace, JR; Karagulle Kendi, AT; Kieffer, SA; Krenzel, C; Norberg, SK; Ott, FW | 1 |
Guo, C; Jiang, Y; Liu, H; Mahmood, I; Xia, H | 1 |
Chen, W; Cooper, WJ; Greaves, J; Miller, GE; Song, W | 1 |
Bergeron, LM; Clark, DS; Gomez, L; Shis, DL | 1 |
Ali, SS; Arshad, R; Farooq, S | 2 |
Harris, DA; Powers, ME; Romesberg, FE | 1 |
Cox, LA; Mathers, JJ; Popken, DA | 1 |
Cruz, AJ; Giordano, RC; Nucci, ER | 1 |
Aguilar-González, CN; Ilyina, A; Martínez-Hernández, JL; Mata-Gómez, MA | 1 |
Kurt, M; Ramalingam, M; Sebastian, S; Sethuraman, V; Sundaraganesan, N; Swaminathan, J | 1 |
Fang, SG; Liu, RJ; Qiang, T; Xu, XM; Zhang, YW | 1 |
Liu, RJ; Xu, XM; Zhang, YW | 1 |
Luo, G; Wang, Y; Zhao, J; Zhu, S | 1 |
Chen, Z; Li, X; Ren, N; Shi, Y; Wang, A; Wang, H | 1 |
Barbaud, A; Schmutz, JL; Trechot, P | 1 |
Das, S; Dolui, AK | 1 |
Kurochkina, VB; Satarova, JE; Sklyarenko, AV; Yarotsky, SV | 1 |
Guddat, LW; Hussein, WM; McGeary, RP; Schenk, G; Ul Islam, N | 1 |
Gao, L; Qi, K; Shen, H; Tan, H; Tian, C | 1 |
Crea, F; Cucinotta, D; De Stefano, C; Milea, D; Sammartano, S; Vianelli, G | 1 |
de Oliveira, KN; Kowalski, K; Ott, I; Rajnisz, A; Skiba, J; Solecka, J | 1 |
Ashar, TK; Bečka, S; Datla, A; Dobišová, M; Grulich, M; Kyslík, P; Marešová, H; Maršálek, J; Palyzová, A; Plačková, M; Plháčková, K; Štěpánek, V; Valešová, R; Vyasarayani, RW | 1 |
Buth, G; Fabbiani, FP; Saouane, S | 1 |
Pipalova, R; Slezak, R; Vlcek, J | 1 |
Koo, YM; Mai, NL | 1 |
Gallo, RL; Haste, NM; Kristian, SA; Meharena, HS; Nizet, V; Olson, J; Pence, MA | 1 |
Hannisdal, A; Kahlmeter, G; Kristiansen, BE; Lia, A; Matuschek, E; Skaare, D; Tveten, Y | 1 |
Deshmukh, AT; Heijnen, JJ; Maleki Seifar, R; van Gulik, WM; Verheijen, PJT | 1 |
De Rosa, M; Palma, G; Saturnino, C; Soriente, A; Vigliotta, G | 1 |
Cao, X; Lu, A; Su, M; Sun, H; Wang, J; Zhao, Y | 1 |
Buchholz, K | 1 |
Avinash, VS; Chauhan, PD; Gaikwad, S; Pundle, A | 1 |
Abdelaleem, EA; Hussein, EA; Naguib, IA; Zaazaa, HE | 1 |
Ashish, EY; Debnath, M; Nupur, N | 1 |
Döndaş, HA; Gizir, AM; Yabalak, E | 1 |
Jia, Y; Jiang, X; Ran, B; Shao, H; Wang, L; Yang, G; Yang, J; Yang, X; Zhang, L | 1 |
Abdelrahman, MM; Elsayed, MA; Naguib, IA; Zaazaa, HA | 1 |
Hasal, P; Přibyl, M; Romanov, A; Slouka, Z; Vobecká, L | 1 |
Cao, F; Huang, B; Xu, G; Zhao, Q; Zhou, J | 1 |
Jiang, Z; Shi, J; Sun, Y; Zhang, S; Zhao, J | 1 |
Přibyl, M; Romanov, A; Slouka, Z | 1 |
6 review(s) available for aminopenicillanic acid and penicillanic acid
Article | Year |
---|---|
The Garrod lecture. The influence of 6-aminopenicillanic acid on antibiotic development.
Topics: Anti-Bacterial Agents; Chemical Phenomena; Chemistry; Penicillanic Acid | 1988 |
[Role of biocatalysis in the creation and improvement of production of beta-lactam antibiotics in Russia].
Topics: Anti-Bacterial Agents; Catalysis; Cephalosporins; Enzymes, Immobilized; Penicillanic Acid; Russia; Technology, Pharmaceutical | 1994 |
Production of 6-APA, 7-ACA, and 7-ADCA by immobilized penicillin and cephalosporin amidases.
Topics: Bacillus megaterium; Cephalosporinase; Cephalosporins; Enzymes, Immobilized; Industrial Microbiology; Penicillanic Acid; Penicillin Amidase | 1993 |
Biotechnological applications of penicillin acylases: state-of-the-art.
Topics: Anti-Bacterial Agents; Escherichia coli; Gene Expression Regulation, Bacterial; Industrial Microbiology; Models, Molecular; Penicillanic Acid; Penicillin Amidase; Technology, Pharmaceutical | 2003 |
The 50th anniversary of the discovery of 6-aminopenicillanic acid (6-APA).
Topics: Anti-Bacterial Agents; Bacterial Infections; beta-Lactamase Inhibitors; beta-Lactamases; beta-Lactams; Cephalosporins; Humans; Hydrolysis; Penicillanic Acid; Penicillins; Thienamycins | 2007 |
A breakthrough in enzyme technology to fight penicillin resistance-industrial application of penicillin amidase.
Topics: Drug Discovery; Enzymes, Immobilized; Germany; Hydrolysis; London; Penicillanic Acid; Penicillin Amidase; Penicillins; Technology, Pharmaceutical | 2016 |
174 other study(ies) available for aminopenicillanic acid and penicillanic acid
Article | Year |
---|---|
Titration of 6-aminopenicillanic acid with mercury (II) solution.
Topics: Hydrogen-Ion Concentration; Indicators and Reagents; Mercury; Methods; Penicillanic Acid | 1976 |
[Biological properties of some new antibacterial antibiotics. I. Activities of some derivatives of 6-aminopenicillanic acid (6-AP) and 7-aminocephallosporanic acid (7-AC)].
Topics: Bacteria; Cephalosporins; Drug Resistance, Microbial; Penicillanic Acid | 1975 |
GLC determination of 6-aminopenicillanic acid and 7-amino-3-methyl-delta3-cephem-4-carboxylic acid.
Topics: Cephalosporins; Chromatography, Gas; Penicillanic Acid; Trimethylsilyl Compounds | 1977 |
A new colorimetric method for the determination of 6-aminopenicillanic acid.
Topics: Colorimetry; Drug Stability; Osmolar Concentration; Penicillanic Acid; Penicillinase; Time Factors | 1978 |
Temperature-sensitive 6-aminopenicillanic acid-resistant mutants of Escherichia coli.
Topics: Drug Resistance, Microbial; Escherichia coli; Mutation; Penicillanic Acid; Protein Binding; Temperature; Time Factors; Transduction, Genetic | 1979 |
[Effect of penicillin precursors on antibiotic biosynthesis in various strains].
Topics: Penicillanic Acid; Penicillin G; Penicillin V; Penicillins; Penicillium chrysogenum; Prodrugs; Species Specificity | 1992 |
Continuous production of 6-APA in an aqueous two-phase system.
Topics: Enzymes, Immobilized; In Vitro Techniques; Kinetics; Penicillanic Acid; Penicillin Amidase; Penicillin G; Recombinant Proteins; Solubility; Solvents | 1992 |
Immobilization of penicillin G acylase on methacrylate polymers.
Topics: Cation Exchange Resins; Cross-Linking Reagents; Enzymes, Immobilized; Hydrogen-Ion Concentration; Kerosene; Membranes, Artificial; Methacrylates; Paraffin; Penicillanic Acid; Penicillin Amidase; Penicillin G; Polymers | 1990 |
Kinetic investigation of penicillin G acylase from a mutant strain of Escherichia coli ATCC 11105 immobilized on oxirane-acrylic beads.
Topics: Acrylates; Enzyme Stability; Enzymes, Immobilized; Escherichia coli; Ethylene Oxide; Hydrogen-Ion Concentration; Kinetics; Mutation; Penicillanic Acid; Penicillin Amidase; Penicillin G; Thermodynamics | 1991 |
An integrated process for the production and biotransformation of penicillin.
Topics: Ampicillin; Biotransformation; Culture Media; Enzymes, Immobilized; Membranes, Artificial; Penicillanic Acid; Penicillins; Penicillium chrysogenum; Permeability | 1992 |
Early discoveries in the penicillin series.
Topics: History, 20th Century; Penicillanic Acid; Penicillins | 1991 |
Acyl-CoA: 6-APA acyltransferase from Penicillium chrysogenum studies on its hydrolytic activity.
Topics: Acyl Coenzyme A; Acyltransferases; Hydrogen-Ion Concentration; Hydrolysis; Penicillanic Acid; Penicillin-Binding Proteins; Penicillium chrysogenum; Substrate Specificity; Temperature | 1991 |
Site-directed chemical conversion of serine to cysteine in penicillin acylase from Escherichia coli ATCC 11105. Effect on conformation and catalytic activity.
Topics: Amino Acid Sequence; Circular Dichroism; Cysteine; Escherichia coli; Hydrogen-Ion Concentration; Kinetics; Molecular Sequence Data; Penicillanic Acid; Penicillin Amidase; Phenylmethylsulfonyl Fluoride; Protein Conformation; Pyridines; Serine; Sulfur Radioisotopes | 1991 |
Biosynthesis of benzylpenicillin (G), phenoxymethylpenicillin (V) and octanoylpenicillin (K) from glutathione S-derivatives.
Topics: Acyltransferases; Chemical Phenomena; Chemistry; Chromatography, High Pressure Liquid; Glutathione; Micrococcus; Penicillanic Acid; Penicillin G; Penicillin V; Penicillin-Binding Proteins; Penicillins; Penicillium; Penicillium chrysogenum | 1990 |
Design of an enzymatic hybrid system: a useful strategy for the biosynthesis of benzylpenicillin in vitro.
Topics: Acyltransferases; Chromatography, High Pressure Liquid; Coenzyme A; Coenzyme A Ligases; Hydrogen-Ion Concentration; Kinetics; Oxidoreductases; Penicillanic Acid; Penicillin G; Penicillin-Binding Proteins; Penicillium chrysogenum; Phenylacetates; Pseudomonas; Temperature | 1990 |
IV. Acyl-CoA: 6-APA acyltransferase of Penicillium chrysogenum: studies on substrate specificity using phenylacetyl-CoA variants.
Topics: Acetyl Coenzyme A; Acyl Coenzyme A; Acyltransferases; Penicillanic Acid; Penicillin-Binding Proteins; Penicillium; Penicillium chrysogenum; Structure-Activity Relationship; Substrate Specificity | 1989 |
Cell surface changes in Pseudomonas aeruginosa PAO4069 in response to treatment with 6-aminopenicillanic acid.
Topics: beta-Lactamases; Chemical Phenomena; Chemistry, Physical; Chloramphenicol; Chromosomes, Bacterial; Enzyme Induction; Immunoblotting; Lipopolysaccharides; Microbial Sensitivity Tests; Microscopy, Electron; Penicillanic Acid; Pseudomonas aeruginosa; Time Factors | 1989 |
Transcriptional induction of Streptomyces cacaoi beta-lactamase by a beta-lactam compound.
Topics: Amino Acid Sequence; Base Sequence; beta-Lactamases; Blotting, Northern; Gene Expression Regulation; Molecular Sequence Data; Penicillanic Acid; Streptomyces; Transcription, Genetic | 1989 |
Purification to homogeneity and characterization of acyl coenzyme A:6-aminopenicillanic acid acyltransferase of Penicillium chrysogenum.
Topics: Acyltransferases; Dithiothreitol; Electrophoresis, Polyacrylamide Gel; Hydrogen-Ion Concentration; Isoelectric Focusing; Molecular Weight; Penicillanic Acid; Penicillin G; Penicillin-Binding Proteins; Penicillium; Penicillium chrysogenum; Substrate Specificity; Temperature | 1987 |
Thermodynamics of the conversion of penicillin G to phenylacetic acid and 6-aminopenicillanic acid.
Topics: Hydrogen-Ion Concentration; Kinetics; Penicillanic Acid; Penicillin G; Phenylacetates; Thermodynamics | 1988 |
6-APA production in a pilot plant with an immobilized pen V acylase (SEMACYLASE).
Topics: Amidohydrolases; Biomedical Engineering; Enzymes, Immobilized; Kinetics; Penicillanic Acid; Penicillin Amidase | 1988 |
Conversion of Staphylococcus aureus cells to stable L-forms in a liquid growth medium.
Topics: Culture Media; L Forms; Lysostaphin; Penicillanic Acid; Staphylococcus aureus | 1985 |
Precipitation of phenyl and phenoxypenicillin from solutions using ammonium sulfate.
Topics: Ammonium Sulfate; Anti-Bacterial Agents; Buffers; Chemical Precipitation; Culture Media; Penicillanic Acid; Penicillin G; Penicillin V; Solubility; Solutions | 1985 |
[Status and prospects in the use of biocatalysis in the synthesis of beta-lactam antibiotics].
Topics: Anti-Bacterial Agents; Catalysis; Chemical Phenomena; Chemistry; Enzymes, Immobilized; Penicillanic Acid; Penicillin Amidase | 1986 |
Antibodies against the benzylpenicilloyl moiety as a probe for penicillin-binding proteins.
Topics: Animals; Antibodies; Bacillus subtilis; Bacterial Proteins; Carboxypeptidases; Carrier Proteins; Cephalosporins; Cross Reactions; Enzyme-Linked Immunosorbent Assay; Escherichia coli; Hexosyltransferases; Immunosorbent Techniques; Methods; Muramoylpentapeptide Carboxypeptidase; Penicillanic Acid; Penicillin G; Penicillin-Binding Proteins; Peptidyl Transferases; Rabbits; Streptococcus pneumoniae | 1986 |
Massive induction of Staphylococcus aureus unstable L-forms in a liquid medium.
Topics: Culture Media; Glycoside Hydrolases; Kinetics; L Forms; Penicillanic Acid; Staphylococcus aureus; Streptomyces | 1986 |
Effect of nalidixic acid on the conversion of Staphylococcus aureus cells to L-forms in a liquid medium with 6-aminopenicillanic acid and lysozyme.
Topics: Culture Media; DNA Replication; Drug Synergism; L Forms; Muramidase; Nalidixic Acid; Penicillanic Acid; Staphylococcus aureus | 1986 |
Direct evaluation of phenylacetyl-CoA: 6-aminopenicillanic acid acyltransferase of Penicillium chrysogenum by bioassay.
Topics: Acetyl Coenzyme A; Acyltransferases; Biological Assay; Dithiothreitol; Kinetics; Microbial Sensitivity Tests; Micrococcus; Penicillanic Acid; Penicillin G; Penicillin-Binding Proteins; Penicillium; Penicillium chrysogenum | 1986 |
High-performance liquid chromatographic determination of 6-aminopenicillanic acid by postcolumn alkaline degradation.
Topics: Amino Acids; Chromatography, High Pressure Liquid; Humans; Penicillanic Acid; Sodium Hydroxide; Spectrophotometry, Ultraviolet | 1986 |
Determination of degradation products and impurities of amoxicillin capsules using ternary gradient elution high-performance liquid chromatography.
Topics: Amoxicillin; Capsules; Chromatography, High Pressure Liquid; Glycine; Penicillanic Acid; Spectrophotometry, Ultraviolet | 1984 |
Effects of aminobenzyl penicillin (AB-PC), methylchlorophenyl isoxazolyl penicillin (MCI-PC) and 6-aminopenicillanic acid (6-APA) on the contractile response of guinea-pig urinary bladder.
Topics: Acetylcholine; Ampicillin; Animals; Cloxacillin; Electric Stimulation; Guinea Pigs; In Vitro Techniques; Muscle Contraction; Muscle, Smooth; Penicillanic Acid; Urinary Bladder | 1984 |
Kinetically controlled semisynthesis of beta-lactam antibiotics and peptides.
Topics: Amidohydrolases; Ampicillin; Anti-Bacterial Agents; Enzymes, Immobilized; Escherichia coli; Kinetics; Penicillanic Acid; Penicillin Amidase; Peptide Biosynthesis | 1984 |
A sensitive procedure for screening microorganisms for the presence of penicillin amidase.
Topics: Amidohydrolases; Ampicillin; Bacteria; Fluorescamine; Methods; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phenylacetates | 1984 |
Kinetic studies on the mechanism of the penicillin amidase-catalysed synthesis of ampicillin and benzylpenicillin.
Topics: Amidohydrolases; Ampicillin; Escherichia coli; Isoelectric Focusing; Kinetics; Osmolar Concentration; Penicillanic Acid; Penicillin Amidase; Penicillin G | 1984 |
[Beta-lactamase inhibitors. II. Synthesis and biological properties of 6-sulfonylaminopenicillanic acids].
Topics: beta-Lactamase Inhibitors; Chemical Phenomena; Chemistry; Escherichia coli; In Vitro Techniques; Penicillanic Acid; Proteus mirabilis; Staphylococcus aureus | 1984 |
Regulation of penicillin amidase activity in Escherichia coli.
Topics: Amidohydrolases; Enzyme Induction; Enzyme Repression; Escherichia coli; Penicillanic Acid; Penicillin Amidase; Phenylacetates | 1981 |
Inhibition of beta-lactamase of Bacillus licheniformis 749/C by compound PS-5, a new beta-lactam antibiotic.
Topics: Ampicillin; Anti-Bacterial Agents; Bacillus; beta-Lactamase Inhibitors; beta-Lactams; Cephaloridine; Computers; Hydrolysis; Kinetics; Models, Chemical; Penicillanic Acid; Penicillin G; Spectrophotometry, Ultraviolet; Thienamycins | 1980 |
Simple beta-lactam compounds derived from 6-aminopenicillanic acid.
Topics: Bacteria; beta-Lactams; Drug Synergism; Microbial Sensitivity Tests; Penicillanic Acid; Penicillins | 1980 |
Estimation of penicillin concentrations and penicillin metabolising enzyme activities by the Lowry reaction.
Topics: Calorimetry; Chemical Phenomena; Chemistry; Penicillanic Acid; Penicillin G; Penicillinase; Penicillins | 1980 |
The evolution of the broad-spectrum penicillins.
Topics: Ampicillin; Carbenicillin; History, 20th Century; Lactams; Penicillanic Acid; Penicillins; Pseudomonas; Thienamycins | 1982 |
Interaction between non-classical beta-lactam compounds and the Zn2+-containing G and serine R61 and R39 D-alanyl-D-alanine peptidases.
Topics: Actinomycetaceae; Amdinocillin; beta-Lactams; Carboxypeptidases; Cefoxitin; Cephalosporins; Clavulanic Acid; Drug Interactions; Endopeptidases; Enzyme Inhibitors; Imipenem; Kinetics; Penicillanic Acid; Penicillins; Quinoxalines; Serine-Type D-Ala-D-Ala Carboxypeptidase; Streptomyces; Zinc | 1981 |
Ionic strength and pH effects in the kinetically controlled synthesis of benzylpenicillin by nucleophilic deacylation of free and immobilized phenyl-acetyl-penicillin amidase with 6-aminopenicillanic acid.
Topics: Amidohydrolases; Enzymes, Immobilized; Glycine; Hydrogen-Ion Concentration; Kinetics; Osmolar Concentration; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phenylacetates | 1982 |
beta-Lactamase inhibition by 6 alpha-thiocyanatopenicillanic acids.
Topics: Bacteria; beta-Lactamase Inhibitors; Penicillanic Acid | 1982 |
[Beta-lactam antibiotics and the immune system of the body].
Topics: Animals; Anti-Bacterial Agents; Antibody Formation; Blood; Cephalothin; Dose-Response Relationship, Immunologic; Female; Immunity, Cellular; Male; Mice; Penicillanic Acid; Phagocytosis; Rabbits; Rats; Rats, Inbred Strains; Time Factors | 1981 |
[Anticomplement action of carbiphen, amopen and cephalothin in vitro and in vivo].
Topics: Animals; Anti-Bacterial Agents; Cephalothin; Complement Inactivator Proteins; Complement System Proteins; Female; Guinea Pigs; In Vitro Techniques; Male; Penicillanic Acid; Rats; Rats, Inbred Strains; Time Factors | 1981 |
Application of the fluorescamine reaction with 6-aminopenicillanic acid to estimation and detection of penicillin acylase activity.
Topics: Amidohydrolases; Bacteria; Fluorescamine; Fluorescence; Hydrogen-Ion Concentration; Kinetics; Penicillanic Acid; Penicillin Amidase; Spiro Compounds | 1983 |
[Mezlocillin: a penicillin from the acylureido series. Synthesis and chemical properties].
Topics: Chemical Phenomena; Chemistry; Hydrolysis; Mezlocillin; Penicillanic Acid; Penicillinase; Penicillins | 1983 |
Synthesis of N-(2-hydroxypropyl)methacrylamide copolymers with antimicrobial activity.
Topics: Acrylates; Ampicillin; Anti-Bacterial Agents; Bacteria; Kinetics; Methacrylates; Penicillanic Acid | 1983 |
Bacillus cereus 569/H penicillinase serine-44 acylation by diazotized 6-aminopenicillanic acid.
Topics: Acylation; Affinity Labels; Amino Acids; Bacillus cereus; beta-Lactamases; Chemical Phenomena; Chemistry; Mass Spectrometry; Penicillanic Acid; Penicillinase; Peptide Fragments; Protein Binding; Serine; Spores, Bacterial | 1983 |
In-beam electron ionization mass spectra of penicillins.
Topics: Ampicillin; Chemical Phenomena; Chemistry, Physical; Mass Spectrometry; Penicillanic Acid; Penicillin V; Penicillins | 1983 |
[Toxicology of 6-aminopenicillanic acid, chief product of the manufacture of semisynthetic penicillins].
Topics: Animals; Guinea Pigs; Male; Mice; Penicillanic Acid; Rabbits; Rats | 1983 |
Simple screening method for isolation of penicillin acylase-producing bacteria.
Topics: Amidohydrolases; Bacillus; Bacteria; Bacteriological Techniques; Biological Assay; Escherichia coli; Penicillanic Acid; Penicillin Amidase; Penicillin G; Serratia marcescens | 1983 |
Continuous 6-APA and 7-ADCA production using Semacylase (immobilized PEN-V acylase).
Topics: Amidohydrolases; Cephalosporins; Enzymes, Immobilized; Kinetics; Penicillanic Acid; Penicillin Amidase; Structure-Activity Relationship | 1983 |
Spectrophotometric determination of 6-aminopenicillanic and 7-aminocephalosporanic acids as the Schiff bases with para-dimethylaminobenzaldehyde in the presence of sodium dodecyl sulfate micelles.
Topics: Benzaldehydes; Cephalosporins; Indicators and Reagents; Kinetics; Micelles; Microcomputers; Penicillanic Acid; Schiff Bases; Sensitivity and Specificity; Sodium Dodecyl Sulfate; Spectrophotometry; Time Factors | 1995 |
Solid-state 13C nuclear magnetic resonance spectra of 6-aminopenicillanic acid.
Topics: Magnetic Resonance Spectroscopy; Penicillanic Acid | 1995 |
8-Hydroxypenillic acid: NMR characteristics and facile formation from 6-aminopenicillanic acid.
Topics: Imidazoles; Magnetic Resonance Spectroscopy; Molecular Structure; Penicillanic Acid; Thiazoles | 1994 |
A new, highly sensitive method for the detection and quantification of penicillin-binding proteins.
Topics: Actinomycetales; Bacillus; Bacterial Proteins; Carrier Proteins; Cell Membrane; Electrophoresis, Polyacrylamide Gel; Escherichia coli; Fluorescein; Fluoresceins; Fluorescent Dyes; Hexosyltransferases; Muramoylpentapeptide Carboxypeptidase; Penicillanic Acid; Penicillin G; Penicillin-Binding Proteins; Peptidyl Transferases; Sequence Analysis, DNA; Streptomyces; Succinimides | 1993 |
Investigations into the post-translational modification and mechanism of isopenicillin N:acyl-CoA acyltransferase using electrospray mass spectrometry.
Topics: Acetates; Acetic Acid; Acylation; Acyltransferases; Electrophoresis, Polyacrylamide Gel; Magnetic Resonance Spectroscopy; Mass Spectrometry; Molecular Weight; Penicillanic Acid; Penicillin-Binding Proteins; Penicillium chrysogenum; Protein Precursors; Protein Processing, Post-Translational | 1993 |
[From penicillin to the progress in beta-lactams. Chronicle of a 50th anniversary].
Topics: Anti-Bacterial Agents; Cephalosporins; History, 20th Century; Humans; Penicillanic Acid; Penicillins | 1996 |
[Antagonistic effect of oleanolic acid on anaphylactic shock].
Topics: Anaphylaxis; Animals; Anti-Allergic Agents; Antibody Formation; Cell Degranulation; Female; Guinea Pigs; Histamine; Lung; Male; Mast Cells; Oleanolic Acid; Penicillanic Acid; Rats; Rats, Wistar | 1995 |
Phenoxymethylpenicillin amidohydrolases from Penicillium chrysogenum.
Topics: Cephalosporins; Chromatography, Gel; Chromatography, High Pressure Liquid; Electrophoresis, Polyacrylamide Gel; Enzyme Inhibitors; Enzyme Stability; Hydrogen-Ion Concentration; Molecular Structure; Molecular Weight; Penicillanic Acid; Penicillin Amidase; Penicillin V; Penicillium chrysogenum; Substrate Specificity; Temperature | 1996 |
The inhibitory mechanisms of glucose and carbon dioxide on the biosyntheses of penicillins and cephalosporins.
Topics: Acremonium; Acylation; Biotechnology; Carbohydrate Metabolism; Carbon Dioxide; Cephalosporins; Glucose; Penicillanic Acid; Penicillin G; Penicillins; Penicillium chrysogenum | 1996 |
Regulation of beta-lactamase synthesis as a novel site of action for suppression of methicillin resistance in Staphylococcus aureus.
Topics: Bacterial Proteins; beta-Lactamases; Carrier Proteins; Cell Membrane; Dose-Response Relationship, Drug; Electrophoresis, Polyacrylamide Gel; Hexosyltransferases; Methicillin; Methicillin Resistance; Microbial Sensitivity Tests; Muramoylpentapeptide Carboxypeptidase; Penicillanic Acid; Penicillin G; Penicillin-Binding Proteins; Penicillins; Peptidyl Transferases; Polidocanol; Polyethylene Glycols; Signal Transduction; Staphylococcus aureus | 1997 |
Evaluation of affinity and pseudo-affinity adsorption processes for penicillin acylase purification.
Topics: Adsorption; Affinity Labels; Amoxicillin; Ampicillin; Chromatography, Affinity; Escherichia coli; Ethanolamine; Ethanolamines; Hydrogen-Ion Concentration; Ligands; Models, Chemical; Penicillanic Acid; Penicillin Amidase; Penicillin G; Sepharose | 1996 |
Nitric oxide inhibition of coxsackievirus replication in vitro.
Topics: Cell Survival; Dose-Response Relationship, Drug; Enterovirus; HeLa Cells; Humans; Nitric Oxide; Nitric Oxide Synthase; Penicillanic Acid; RNA, Viral; Transfection; Viral Proteins; Virus Replication | 1997 |
Novel strategy for efficient screening and construction of host/vector systems to overproduce penicillin acylase in Escherichia coli.
Topics: Bioreactors; Escherichia coli; Gene Expression Regulation, Bacterial; Gene Expression Regulation, Enzymologic; Genetic Vectors; Molecular Structure; Mutagenesis; Penicillanic Acid; Penicillin Amidase; Penicillins; Plasmids; Recombinant Proteins | 1999 |
A kinetic study of synthesis of amoxicillin using penicillin G acylase immobilized on agarose.
Topics: Amoxicillin; Catalysis; Enzymes, Immobilized; Escherichia coli; Kinetics; Penicillanic Acid; Penicillin Amidase; Recombinant Proteins; Sepharose | 2000 |
Synthesis and antibacterial activity of new arylamido derivatives of 6 beta-aminopenicillanic, 7 beta-aminocephalosporanic and 7 beta-aminodesacetoxycephalosporanic acids.
Topics: Bacillus; Bacteria; Cephalosporins; Chemical Phenomena; Chemistry, Physical; Culture Media; Escherichia coli; Microbial Sensitivity Tests; Penicillanic Acid; Penicillins; Staphylococcus aureus | 2000 |
Penicillin acylase catalyzed synthesis of penicillin-G from substrates anchored in cyclodextrins.
Topics: Carbohydrates; Cyclodextrins; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phenylacetates; Substrate Specificity | 2000 |
Optimization of 6-aminopenicillanic acid (6-APA) production by using a new immobilized penicillin acylase.
Topics: Enzymes, Immobilized; Hydrogen-Ion Concentration; Hydrolysis; Penicillanic Acid; Penicillin Amidase; Penicillin V; Streptomyces; Temperature | 2000 |
Kinetics of ampicillin synthesis catalyzed by penicillin acylase from E. coli in homogeneous and heterogeneous systems. Quantitative characterization of nucleophile reactivity and mathematical modeling of the process.
Topics: Ampicillin; Escherichia coli; Glycine; Hydrogen-Ion Concentration; Kinetics; Models, Chemical; Models, Theoretical; Penicillanic Acid; Penicillin Amidase; Temperature | 2000 |
Highly efficient synthesis of ampicillin in an "aqueous solution-precipitate" system: repetitive addition of substrates in a semicontinuous process.
Topics: Ampicillin; Chemical Precipitation; Escherichia coli; Models, Theoretical; Penicillanic Acid; Penicillin Amidase; Solutions; Water | 2001 |
The effect of a functional group in penicillin derivatives on the interaction with bile salt micelles studied by micellar electrokinetic chromatography.
Topics: Chromatography, Micellar Electrokinetic Capillary; Deoxycholic Acid; Energy Transfer; Micelles; Molecular Structure; Penicillanic Acid; Taurocholic Acid | 2001 |
Biotransformations catalyzed by multimeric enzymes: stabilization of tetrameric ampicillin acylase permits the optimization of ampicillin synthesis under dissociation conditions.
Topics: Acetobacter; Ampicillin; Bioreactors; Catalysis; Enzyme Stability; Enzymes, Immobilized; Escherichia coli; Glycine; Hydrogen-Ion Concentration; Kinetics; Methanol; Molecular Structure; Penicillanic Acid; Penicillin Amidase; Phosphates; Protein Structure, Quaternary; Temperature | 2001 |
Physiological characterisation of Penicillium chrysogenum strains expressing the expandase gene from Streptomyces clavuligerus during batch cultivations. Growth and adipoyl-7-aminodeacetoxycephalosporanic acid production.
Topics: Adipates; Cephalosporins; Fructose; Gluconates; Glucose; Intramolecular Transferases; Mutagenesis, Insertional; Penicillanic Acid; Penicillin-Binding Proteins; Penicillium chrysogenum; Streptomyces; Sucrose | 2001 |
Comparison of aqueous and nonaqueous carrier electrolytes for the separation of penicillin V and related substances by capillary electrophoresis with UV and mass spectrometric detection.
Topics: Acetates; Acetonitriles; Buffers; Electrolytes; Electrophoresis, Capillary; Ethanol; Imidazoles; Methanol; Penicillanic Acid; Penicillin V; Penicillins; Pipecolic Acids; Spectrometry, Mass, Electrospray Ionization; Spectrophotometry, Ultraviolet; Thiazoles; Water | 2002 |
Equilibrium modeling of extractive enzymatic hydrolysis of penicillin G with concomitant 6-aminopenicillanic acid crystallization.
Topics: Acetates; Catalysis; Chromatography, High Pressure Liquid; Computer Simulation; Crystallization; Escherichia coli; Fermentation; Glycine; Hydrogen-Ion Concentration; Hydrolysis; Models, Chemical; Penicillanic Acid; Penicillin Amidase; Penicillin G; Potassium; Reproducibility of Results; Sensitivity and Specificity; Water | 2002 |
Monitoring of enzymatic hydrolysis of penicillin G by pyrolysis-negative ion mass spectrometry.
Topics: Chromatography, High Pressure Liquid; Enzymes, Immobilized; Hydrogen-Ion Concentration; Hydrolysis; Mass Spectrometry; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phenylacetates; Temperature | 2002 |
Role of alphaArg145 and betaArg263 in the active site of penicillin acylase of Escherichia coli.
Topics: Arginine; Base Sequence; Catalytic Domain; Escherichia coli; Gene Expression; Genes, Bacterial; Hydrogen-Ion Concentration; Kinetics; Models, Molecular; Mutagenesis, Site-Directed; Penicillanic Acid; Penicillin Amidase; Recombinant Proteins; Substrate Specificity | 2002 |
Penicillin acylase-catalyzed ampicillin synthesis using a pH gradient: a new approach to optimization.
Topics: Ampicillin; Catalysis; Cell Line; Escherichia coli; Glycine; Hydrogen-Ion Concentration; Models, Chemical; Penicillanic Acid; Penicillin Amidase; Protons; Quality Control; Sensitivity and Specificity | 2002 |
Enzymatic synthesis of amoxicillin: avoiding limitations of the mechanistic approach for reaction kinetics.
Topics: Amoxicillin; Bioreactors; Computer Simulation; Enzymes, Immobilized; Gels; Glycine; Kinetics; Models, Chemical; Neural Networks, Computer; Penicillanic Acid; Penicillin Amidase; Quality Control; Reproducibility of Results; Sensitivity and Specificity; Sepharose | 2002 |
Quantitative characterization of the nucleophile reactivity in penicillin acylase-catalyzed acyl transfer reactions.
Topics: Catalysis; Cephalosporins; Penicillanic Acid; Penicillin Amidase; Substrate Specificity | 2002 |
[Determination of degraded products of penicillin by high performance liquid chromatography].
Topics: Chromatography, High Pressure Liquid; Drug Stability; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phenylacetates | 2001 |
The effect of an enhanced infection-control policy on the incidence of Clostridium difficile infection and methicillin-resistant Staphyloccocus aureus colonization in acute elderly medical patients.
Topics: Aged; Cephalosporins; Clostridioides difficile; Communicable Disease Control; Cross Infection; Cross-Sectional Studies; Drug Utilization; England; Enterocolitis, Necrotizing; Hand Disinfection; Humans; Methicillin Resistance; Penicillanic Acid; Staphylococcal Infections; Staphylococcus aureus; Trimethoprim | 1998 |
Inhibitory effects in the side reactions occurring during the enzymic synthesis of amoxicillin: p-hydroxyphenylglycine methyl ester and amoxicillin hydrolysis.
Topics: Amoxicillin; Enzyme Inhibitors; Enzymes, Immobilized; Glycine; Hydrogen-Ion Concentration; Hydrolysis; Kinetics; Methanol; Models, Theoretical; Penicillanic Acid; Penicillin Amidase | 2003 |
Adsorption of components of enzymatic synthesis of ampicillin on different hydrophobic resins.
Topics: Adsorption; Ampicillin; Chromatography; Hydrogen-Ion Concentration; Kinetics; Penicillanic Acid; Thermodynamics | 2003 |
Study of nucleophile binding in the penicillin acylase active center. Kinetic analysis.
Topics: Aminobenzoates; Binding Sites; Catalysis; Escherichia coli Proteins; Hydrolysis; Kinetics; Penicillanic Acid; Penicillin Amidase; Reproducibility of Results; Substrate Specificity | 2003 |
Continuous penicillin G hydrolysis in an electro-membrane reactor with immobilized penicillin G acylase.
Topics: Bioreactors; Electrochemistry; Electromagnetic Fields; Enzyme Activation; Enzymes, Immobilized; Equipment Design; Hydrolysis; Membranes, Artificial; Penicillanic Acid; Penicillin Amidase; Penicillin G | 2003 |
Kinetics of enzyme acylation and deacylation in the penicillin acylase-catalyzed synthesis of beta-lactam antibiotics.
Topics: Acylation; Anti-Bacterial Agents; Binding Sites; Binding, Competitive; Catalysis; Cephalosporins; Deuterium; Escherichia coli; Glycine; Hydrolysis; Kinetics; Penicillanic Acid; Penicillin Amidase; Phenylacetates; Protons; Spectrophotometry, Ultraviolet; Substrate Specificity | 2003 |
Synthesis of penicillin: 6-aminopenicillanic acid in penicillin fermentations.
Topics: Fermentation; Penicillanic Acid; Penicillins | 1959 |
Identification of a compound related to 6-aminopenicillanic acid, isolated from culture media of Penicillium chrysogenum.
Topics: Culture Media; Penicillanic Acid; Penicillins; Penicillium; Penicillium chrysogenum | 1961 |
6-Aminopenicillanic acid in urine after oral administration of penicillins.
Topics: Administration, Oral; Body Fluids; Humans; Inactivation, Metabolic; Penicillanic Acid; Penicillins | 1960 |
Action of 6-aminopenicillanic acid on gram-negative bacteria.
Topics: Bacteria; Gram-Negative Bacteria; Penicillanic Acid; Penicillins | 1960 |
6-Aminopenicillanic acid.
Topics: Humans; Penicillanic Acid; Penicillins | 1961 |
A method for isolating bacteria capable of producing 6-aminopenicillanic acid from benzylpenillin.
Topics: Bacteria; Penicillanic Acid; Penicillium; Soil; Soil Microbiology | 1961 |
Formation of 6-aminopenicillanic acid by alkaline hydrolysis of penicillins.
Topics: Hydrolysis; Penicillanic Acid; Penicillins | 1962 |
The treatment of acutely x-irradiated mice with streptomycin and derivatives of 6-aminopenicillanic acid.
Topics: Animals; Mice; Penicillanic Acid; Penicillins; Radiation Injuries, Experimental; Streptomycin | 1962 |
Excretion of antibiotics in bile.
Topics: Ampicillin; Animals; Anti-Bacterial Agents; Antibiotics, Antitubercular; Bile; Biological Transport; Body Fluids; Chloramphenicol; Neomycin; Paromomycin; Penicillanic Acid; Penicillin G; Penicillins; Rats; Streptomycin | 1961 |
Distribution and substrate specificity of benzylpenicillin acylase.
Topics: Cephalosporins; Esterases; Nocardia; Penicillanic Acid; Penicillin Amidase; Penicillin G; Penicillins; Proteus; Substrate Specificity | 1963 |
[A simple rapid method for the determination of 6-aminopenicillanic acid].
Topics: Penicillanic Acid; Penicillins | 1962 |
DERIVATIVES OF 6- AMINOPENICILLANIC ACID. III. REACTIONS WITH N-SUBSTITUTED PHTHALAMIC ACIDS.
Topics: Bacteria; Chemical Phenomena; Chemistry; Penicillanic Acid; Penicillinase; Penicillins; Pharmacology; Phthalic Acids; Research; Staphylococcus | 1962 |
NOTES ON PREPARATION OF 6-AMINOPENICILLANIC ACID BY BACTERIAL HYDROLYSIS OF BENZYLPENICILLIN.
Topics: Bacteria; Biochemical Phenomena; Biochemistry; Hydrolysis; Penicillanic Acid; Penicillin G; Penicillins; Research | 1963 |
PRODUCTION OF 6-AMINOPENICILLANIC ACID BY DERMATOPHYTES.
Topics: Arthrodermataceae; Chromatography; Epidermophyton; Metabolism; Penicillanic Acid; Penicillin G; Penicillin V; Penicillins; Research; Trichophyton | 1963 |
[DERIVATIVES OF 6-AMINOPENICILLANIC ACID. III. (1). NEW SEMISYNTHETIC PENICILLIN: ALPHA-SUBSTITUTED BETA-HALOGENO- AND BETA-ACETOXYETHYLPENICILLIN].
Topics: Bacteria; Chemistry, Pharmaceutical; Ethylenediamines; Methicillin; Penicillanic Acid; Penicillin G; Penicillin G Benzathine; Penicillin V; Penicillins; Pharmacology | 1963 |
6-AMINOPENICILLANIC ACID: INHIBITION OF DESTRUCTION OF CEPHALOSPORIN C BY BACTERIA.
Topics: Acremonium; Aeromonas; Alcaligenes; Anti-Bacterial Agents; Bacillus subtilis; Bacteria; Cephalosporins; Enterobacter aerogenes; Enzyme Inhibitors; Erwinia; Escherichia coli; Lactobacillus; Penicillanic Acid; Penicillins; Propionibacterium; Proteins; Proteus; Pseudomonas; Pseudomonas aeruginosa; Research; Serratia marcescens; Staphylococcus; Vibrio | 1964 |
ANTIBACTERIAL ACTIVITY OF SOME DERIVATIVES OF 7-AMINOCEPHALOSPORANIC ACID AGAINST STAPHYLOCOCCUS AUREUS AND SYNERGISM BETWEEN THESE AND OTHER ANTIBIOTICS.
Topics: Animals; Anti-Bacterial Agents; Antibiotics, Antitubercular; Cephalosporins; Coagulase; Drug Resistance; Drug Resistance, Microbial; Fusidic Acid; Methicillin; Mice; Penicillanic Acid; Penicillin G; Penicillinase; Pharmacology; Research; Staphylococcal Infections; Staphylococcus; Staphylococcus aureus | 1964 |
HAEMAGGLUTINATION OF ERYTHROCYTES COATED WITH 6-AMINOPENICILLANIC ACID.
Topics: Carbon Dioxide; Erythrocytes; Hemagglutination; Penicillanic Acid; Penicillins; Research; Toxicology | 1964 |
METABOLIC CONTROL OF PENICILLINASE BIOSYNTHESIS IN BACILLUS CEREUS.
Topics: Azaguanine; Bacillus cereus; Cephalosporins; Cytosine; Dactinomycin; Enzyme Inhibitors; Mercury; Penicillanic Acid; Penicillin G; Penicillinase; Penicillins; Pharmacology; Proteins; Research; RNA; RNA, Messenger; Thymine; Uracil | 1964 |
THE EFFECT OF PROBENECID IN DELAYING THE URINARY EXCRETIONS OF THE NEW PENICILLINS DERIVED FROM 6-AMINOPENICILLANIC ACID.
Topics: Ampicillin; Biomedical Research; Blood; Dosage Forms; Endocarditis; Endocarditis, Bacterial; Humans; Injections, Intramuscular; Methicillin; Penicillanic Acid; Penicillin V; Penicillins; Pharmacology; Probenecid; Streptococcal Infections; Urine | 1964 |
DERIVATIVES OF 6-AMINOPENICILLANIC ACID. V. SYNTHESIS OF 6-AMINOPENICILLANYL ALCOHOL AND CERTAIN DERIVATIVES.
Topics: Alcohols; Chemistry, Pharmaceutical; Ethanol; Penicillanic Acid; Penicillins; Pharmacology; Research; Staphylococcus | 1964 |
[DERIVATIVES OF 6-AMINOPENICILLANIC ACID. IV. (1). A NEW WIDE-SPECTRUM PENICILLIN: D(-)ALPHA-PHENYL-BETA-AMINOETHYLPENICILLIN (BETACIN)].
Topics: Bacteria; Chemistry, Pharmaceutical; Penicillanic Acid; Penicillins; Pharmacology; Pharmacy; Research | 1964 |
AUTOMATED COLORIMETRIC DETERMINATION OF 6-AMINOPENICILLANIC ACID IN FERMENTATION MEDIA.
Topics: Chemistry Techniques, Analytical; Colorimetry; Fermentation; Penicillanic Acid; Penicillins; Research | 1965 |
COMMON ANTIGENIC DETERMINANTS OF PENICILLIN G, CEPHALOTHIN AND 6-AMINOPENICILLANIC ACID IN RABBITS.
Topics: Animals; Anti-Bacterial Agents; Antigen-Antibody Reactions; Cephalothin; Electrophoresis; Epitopes; Hemagglutination; Hemagglutination Inhibition Tests; Hemagglutination Tests; Hypersensitivity; Immunodiffusion; Passive Cutaneous Anaphylaxis; Penicillanic Acid; Penicillin G; Penicillins; Precipitin Tests; Rabbits; Research | 1965 |
Formation of 6-aminopenicillanic acid from penicillin by enzymatic hydrolysis.
Topics: Hydrolysis; Penicillanic Acid; Penicillins | 1960 |
6-Aminopenicillanic acid. V. 6-Aminopenicillanic acid as a substrate for penicillinase and an inducer of penicillinase formation.
Topics: Penicillanic Acid; Penicillinase; Penicillins | 1961 |
6-Aminopenicillanic acid. III. Isolation and purification.
Topics: Penicillanic Acid; Penicillins | 1961 |
6-Aminopenicillanic acid. VI. Formation of 6-aminopenicillanic acid from penicillin by enzymic hydrolysis.
Topics: Hydrolysis; Inactivation, Metabolic; Penicillanic Acid; Penicillins | 1961 |
6-Aminopenicillanic acid. I. 6-Aminopenicillanic acid in penicillin fermentations.
Topics: Fermentation; Inactivation, Metabolic; Penicillanic Acid; Penicillins | 1961 |
6-Aminopenicillanic acid. II. Formation of 6-aminopenicillanic acid by Emericellopsis minima (Stolk) and related fungi.
Topics: Fungi; Hypocreales; Penicillanic Acid; Penicillins | 1961 |
6-Aminopenicillanic acid.
Topics: Humans; Penicillanic Acid; Penicillins | 1961 |
Penicillin acylase-catalyzed synthesis of beta-lactam antibiotics in highly condensed aqueous systems: beneficial impact of kinetic substrate supersaturation.
Topics: Amoxicillin; Ampicillin; Anti-Bacterial Agents; beta-Lactams; Catalysis; Cephalexin; Cephalosporins; Enzyme Activation; Escherichia coli; Kinetics; Penicillanic Acid; Penicillin Amidase; Solutions; Substrate Specificity; Water | 2004 |
Production of 6-aminopenicillanic acid in aqueous two-phase systems by recombinant Escherichia coli with intracellular penicillin acylase.
Topics: Crystallization; Escherichia coli; Hydrogen-Ion Concentration; Penicillanic Acid; Penicillin Amidase; Penicillin G; Recombinant Proteins; Temperature | 2004 |
Increasing the synthetic performance of penicillin acylase PAS2 by structure-inspired semi-random mutagenesis.
Topics: beta-Lactams; Catalysis; Chromatography, High Pressure Liquid; Dose-Response Relationship, Drug; Escherichia coli; Genetic Techniques; Glycine; Hydrolysis; Kinetics; Models, Chemical; Mutagenesis; Mutation; Penicillanic Acid; Penicillin Amidase; Plasmids; Protein Conformation; Protein Engineering; Time Factors | 2004 |
[Treatment mostly not in line with current knowledge. New guidelines for sinusitis therapy].
Topics: Acute Disease; Bacterial Infections; Ceftibuten; Cephalosporins; Chronic Disease; Clavulanic Acid; Drug Resistance, Multiple; Humans; Mometasone Furoate; Penicillanic Acid; Pregnadienediols; Sinusitis; Treatment Outcome | 2004 |
UV irradiation and desiccation modulate the three-dimensional extracellular matrix of Nostoc commune (Cyanobacteria).
Topics: Amino Acid Sequence; Base Sequence; Chromatography, Liquid; Extracellular Matrix; Heat-Shock Proteins; Indoles; Isoelectric Focusing; Mass Spectrometry; Models, Chemical; Models, Genetic; Molecular Sequence Data; Nostoc commune; Open Reading Frames; Oxygen; Penicillanic Acid; Peptides; Phenols; Phylogeny; Polymorphism, Genetic; Polysaccharides; Promoter Regions, Genetic; Protein Binding; Protein Structure, Tertiary; Recombinant Proteins; Superoxide Dismutase; Transcription, Genetic; Ultraviolet Rays | 2005 |
[Disseminated actinomycosis].
Topics: Actinomyces; Actinomycosis; Alcoholism; Amoxicillin; Brain Abscess; Brain Neoplasms; Bronchoalveolar Lavage Fluid; Consciousness Disorders; Diagnosis, Differential; Humans; Lung Diseases, Fungal; Male; Metronidazole; Middle Aged; Penicillanic Acid; Smoking; Tomography, X-Ray Computed | 2005 |
Application of cross-linked enzyme aggregates of Bacillus badius penicillin G acylase for the production of 6-aminopenicillanic acid.
Topics: Bacillus; Cross-Linking Reagents; Enzymes, Immobilized; Industrial Microbiology; Penicillanic Acid; Penicillin Amidase | 2007 |
In vivo transport of the intermediates of the penicillin biosynthetic pathway in tailored strains of Penicillium chrysogenum.
Topics: Biological Transport; Culture Media; Down-Regulation; Genes, Fungal; Multigene Family; Penicillanic Acid; Penicillin G; Penicillins; Penicillium chrysogenum; Peroxisomes; Phenylacetates | 2007 |
Molecularly imprinted polymers as antibody mimics in automated on-line fluorescent competitive assays.
Topics: Amoxicillin; Ampicillin; Anti-Bacterial Agents; Antibody Specificity; Automation; beta-Lactams; Binding, Competitive; Chromatography; Fluoroimmunoassay; Molecular Mimicry; Nafcillin; Oxacillin; Penicillanic Acid; Penicillin G; Penicillin V; Polymers; Sensitivity and Specificity | 2007 |
Site-specific protonation microequilibria of penicillin and cephalosporin beta-lactam core molecules.
Topics: beta-Lactams; Cephalosporins; Hydrogen-Ion Concentration; Ions; Magnetic Resonance Spectroscopy; Osmolar Concentration; Penicillanic Acid; Penicillins; Potentiometry; Protons | 2007 |
Calixarenes in a membrane environment: a monolayer study on the miscibility of three p-tert-butylcalix[4]arene beta-lactam derivatives with 1,2-dimyristoyl-sn-glycero-3-phosphoethanolamine.
Topics: beta-Lactams; Calixarenes; Chemical Phenomena; Chemistry, Physical; Magnetic Resonance Spectroscopy; Membranes, Artificial; Models, Molecular; Penicillanic Acid; Phosphatidylethanolamines; Spectrophotometry, Ultraviolet | 2007 |
[Phase transfer catalyzed bioconversion of penicillin G to 6-APA by immobilized penicillin acylase in recyclable aqueous two-phase systems with light/pH sensitive copolymers].
Topics: Catalysis; Enzymes, Immobilized; Hydrogen-Ion Concentration; Kinetics; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phase Transition; Polymers; Substrate Specificity | 2008 |
Fluorophore-labeled beta-lactamase as a biosensor for beta-lactam antibiotics: a study of the biosensing process.
Topics: Anti-Bacterial Agents; beta-Lactamases; beta-Lactams; Biosensing Techniques; Cefuroxime; Circular Dichroism; Computer Simulation; Fluoresceins; Fluorescent Dyes; Kinetics; Mass Spectrometry; Models, Molecular; Penicillanic Acid; Penicillin G; Protein Denaturation; Spectrometry, Fluorescence | 2008 |
Poststreptococcal dystonia with bilateral striatal enlargement: MR imaging and spectroscopic findings.
Topics: Aspartic Acid; Autoantibodies; Bacterial Proteins; Caudate Nucleus; Child; Deoxyribonucleases; Diffusion Magnetic Resonance Imaging; Dominance, Cerebral; Dystonia; Energy Metabolism; Follow-Up Studies; Humans; Hypertrophy; Image Processing, Computer-Assisted; Lactic Acid; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Male; Necrosis; Neurologic Examination; Penicillanic Acid; Pharyngitis; Putamen; Streptococcal Infections; Streptolysins | 2008 |
Enzymatic hydrolysis of penicillin for 6-APA production in three-liquid-phase system.
Topics: Alkanes; Biotechnology; Hydrolysis; Ionic Liquids; Kinetics; Molecular Structure; Penicillanic Acid; Penicillins; Phase Transition; Polyethylene Glycols; Propylene Glycols | 2008 |
Free-radical destruction of beta-lactam antibiotics in aqueous solution.
Topics: Anti-Bacterial Agents; beta-Lactams; Free Radicals; Hydroxyl Radical; Kinetics; Penicillanic Acid; Solutions; Time Factors; Water | 2008 |
Small molecule inhibition of a Group II chaperonin: pinpointing a loop region within the equatorial domain as necessary for protein refolding.
Topics: Archaeal Proteins; Chaperonins; Fluorescence Polarization; Methanococcaceae; Models, Molecular; Molecular Chaperones; Penicillanic Acid; Protein Binding; Protein Conformation; Protein Folding; Thermosomes | 2009 |
6-aminopenicillanic acid production by intact cells of E. coli containing penicillin G acylase (PGA).
Topics: Bacillus megaterium; Catalysis; Chemistry, Pharmaceutical; Crystallization; Escherichia coli; Fermentation; Filtration; Hydrogen-Ion Concentration; Oxygen; Penicillanic Acid; Penicillin Amidase; Phenylacetates; Temperature; Time Factors; Zea mays | 2007 |
Comparative production of 6-aminopenicillanic acid by different E. coli strains and their acridine orange (AO) induced mutants.
Topics: Acridine Orange; Catalysis; Chemistry, Pharmaceutical; Escherichia coli; Fluorescent Dyes; Industrial Microbiology; Models, Biological; Models, Statistical; Mutation; Penicillanic Acid; Penicillin G | 2007 |
Synthesis and biological evaluation of penem inhibitors of bacterial signal peptidase.
Topics: Anti-Bacterial Agents; Membrane Proteins; Microbial Sensitivity Tests; Penicillanic Acid; Serine Endopeptidases; Serine Proteinase Inhibitors; Structure-Activity Relationship | 2009 |
Human health risk assessment of penicillin/aminopenicillin resistance in enterococci due to penicillin use in food animals.
Topics: Animals; Animals, Domestic; Anti-Bacterial Agents; Drug Resistance, Microbial; Enterococcus faecium; Gram-Positive Bacterial Infections; Humans; Intensive Care Units; Penicillanic Acid; Penicillins; Risk Assessment | 2009 |
Monitoring bioreactors using principal component analysis: production of penicillin G acylase as a case study.
Topics: Bacillus megaterium; Bacterial Proteins; Bioreactors; Penicillanic Acid; Penicillin Amidase; Penicillin G; Phenylacetates | 2010 |
A process to produce penicillin G acylase by surface-adhesion fermentation using Mucor griseocyanus to obtain 6-aminopenicillanic acid by penicillin G hydrolysis.
Topics: Biofilms; Cell Adhesion; Enzyme Activation; Enzymes, Immobilized; Fermentation; Hydrolysis; Opuntia; Penicillanic Acid; Penicillin Amidase; Penicillin G; Surface Properties | 2010 |
FT-IR, FT-Raman, ab initio and DFT structural and vibrational frequency analysis of 6-aminopenicillanic acid.
Topics: Penicillanic Acid; Spectroscopy, Fourier Transform Infrared; Spectrum Analysis, Raman; Thermodynamics; Vibration | 2010 |
Enhanced production of 6-aminopenicillanic acid in aqueous methyl isobutyl ketone system with immobilized penicillin G acylase.
Topics: Bacillus megaterium; Catalysis; Enzymes, Immobilized; Hydrolysis; Methyl n-Butyl Ketone; Penicillanic Acid; Penicillin Amidase; Penicillin G; Water | 2010 |
One-pot, two-step enzymatic synthesis of amoxicillin by complexing with Zn2+.
Topics: Amoxicillin; Biotechnology; Glycine; Kluyvera; Penicillanic Acid; Penicillin Amidase; Penicillin G; Technology, Pharmaceutical; Zinc | 2010 |
Immobilization of penicillin G acylase on macro-mesoporous silica spheres.
Topics: Adsorption; Biocatalysis; Biotechnology; Enzyme Stability; Enzymes, Immobilized; Microspheres; Nitrogen; Penicillanic Acid; Penicillin Amidase; Porosity; Silicon Dioxide; Temperature; Time Factors | 2011 |
Performance and model of a full-scale up-flow anaerobic sludge blanket (UASB) to treat the pharmaceutical wastewater containing 6-APA and amoxicillin.
Topics: Amoxicillin; Anaerobiosis; Anti-Bacterial Agents; Biodegradation, Environmental; Models, Theoretical; Penicillanic Acid; Sewage; Water Pollutants, Chemical | 2011 |
[Four recurrences of acute generalized exanthematous pustulosis (AGEP) with three different drugs in the same patient].
Topics: Acute Generalized Exanthematous Pustulosis; Aged; Anti-Bacterial Agents; Dermatologic Agents; Erysipelas; Female; Humans; Intertrigo; Naphthalenes; Penicillanic Acid; Pristinamycin; Recurrence; Terbinafine | 2011 |
Comparative study of 6-APA production by free and agar immobilized bacteria in nutrient broth culture.
Topics: Agar; Biotransformation; Cells, Immobilized; Culture Media; Gram-Positive Bacteria; India; Penicillanic Acid; Penicillin G; Soil Microbiology | 2011 |
Ionization constants and solubility of compounds involved in enzymatic synthesis of aminopenicillins and aminocephalosporins.
Topics: Amino Acids; beta-Lactams; Cephalosporins; Chemistry, Pharmaceutical; Drug Design; Electrolytes; Hydrogen-Ion Concentration; Ions; Models, Chemical; Models, Theoretical; Penicillanic Acid; Penicillins; Solubility; Temperature; Thermodynamics | 2011 |
Penicillin inhibitors of purple acid phosphatase.
Topics: Acid Phosphatase; Acids, Carbocyclic; Acylation; Animals; Bone Density Conservation Agents; Bone Resorption; Catalytic Domain; Computer Simulation; Glycoproteins; Humans; Kinetics; Models, Molecular; Penicillanic Acid; Penicillins; Swine | 2012 |
[Determination of penicillin intermediate and three penicillins in milk by high performance capillary electrophoresis].
Topics: Amoxicillin; Ampicillin; Animals; Cattle; Drug Residues; Electrophoresis, Capillary; Food Contamination; Milk; Penicillanic Acid; Penicillin G | 2011 |
Modeling solubility, acid-base properties and activity coefficients of amoxicillin, ampicillin and (+)6-aminopenicillanic acid, in NaCl(aq) at different ionic strengths and temperatures.
Topics: Amoxicillin; Ampicillin; beta-Lactams; Hydrogen-Ion Concentration; Hydrolysis; Osmolar Concentration; Penicillanic Acid; Potentiometry; Sodium Chloride; Solubility; Solutions; Temperature; Water | 2012 |
Ferrocenyl bioconjugates of ampicillin and 6-aminopenicillinic acid--synthesis, electrochemistry and biological activity.
Topics: Ampicillin; Anti-Bacterial Agents; Antineoplastic Agents; Cell Line, Tumor; Cell Survival; Dipeptidases; Electrochemical Techniques; Enzyme Inhibitors; Ferrous Compounds; Humans; Magnetic Resonance Spectroscopy; Metallocenes; Methicillin-Resistant Staphylococcus aureus; Microbial Viability; Oxidation-Reduction; Penicillanic Acid; Spectrophotometry, Infrared; Staphylococcus aureus; Staphylococcus epidermidis; Vancomycin Resistance | 2012 |
Penicillin G acylase from Achromobacter sp. CCM 4824 : an efficient biocatalyst for syntheses of beta-lactam antibiotics under conditions employed in large-scale processes.
Topics: Achromobacter; Amoxicillin; Ampicillin; Anti-Bacterial Agents; beta-Lactams; Biotransformation; Enzyme Stability; Enzymes, Immobilized; Hydrogen-Ion Concentration; Penicillanic Acid; Penicillin Amidase; Temperature | 2014 |
Crystal structure and packing energy calculations of (+)-6-aminopenicillanic acid.
Topics: Carboxylic Acids; Crystallography, X-Ray; Hydrogen Bonding; Models, Molecular; Penicillanic Acid; Thermodynamics | 2013 |
The trends in antibiotic use by general dental practitioners in the Czech Republic (2006-2012).
Topics: Amoxicillin-Potassium Clavulanate Combination; Anti-Bacterial Agents; beta-Lactamase Inhibitors; Clindamycin; Czech Republic; Databases, Factual; Drug Prescriptions; General Practice, Dental; Health Care Sector; Humans; Lincosamides; Macrolides; Metronidazole; Penicillanic Acid; Penicillins; Tetracyclines | 2014 |
Enzymatic hydrolysis of penicillin and in situ product separation in thermally induced reversible phase-separation of ionic liquids/water mixture.
Topics: Chromatography, High Pressure Liquid; Hydrolysis; Hydrophobic and Hydrophilic Interactions; Ionic Liquids; Molecular Structure; Penicillanic Acid; Penicillin Amidase; Penicillin G; Temperature; Water | 2014 |
Beta-Lactamase Repressor BlaI Modulates Staphylococcus aureus Cathelicidin Antimicrobial Peptide Resistance and Virulence.
Topics: Animals; Antimicrobial Cationic Peptides; beta-Lactamases; Cathelicidins; DNA Transposable Elements; Gene Expression Regulation, Bacterial; Humans; Mice; Penicillanic Acid; Penicillin Resistance; Staphylococcal Infections; Staphylococcus aureus | 2015 |
Haemophilus influenzae with Non-Beta-Lactamase-Mediated Beta-Lactam Resistance: Easy To Find but Hard To Categorize.
Topics: Ampicillin; Ampicillin Resistance; Anti-Bacterial Agents; beta-Lactamases; Cefuroxime; Disk Diffusion Antimicrobial Tests; Haemophilus Infections; Haemophilus influenzae; Humans; Penicillanic Acid; Penicillin-Binding Proteins | 2015 |
In vivo kinetic analysis of the penicillin biosynthesis pathway using PAA stimulus response experiments.
Topics: Acyltransferases; Algorithms; Carbon; Culture Media; Filtration; Glucose; Kinetics; Metabolic Networks and Pathways; Models, Biological; Penicillanic Acid; Penicillin-Binding Proteins; Penicillins; Penicillium chrysogenum; Phenylacetates | 2015 |
Novel Penicillin-Type Analogues Bearing a Variable Substituted 2-Azetidinone Ring at Position 6: Synthesis and Biological Evaluation.
Topics: Animals; Anti-Bacterial Agents; Azetidines; Bacillus; beta-Lactams; Cell Survival; Escherichia coli; Mice; Microbial Sensitivity Tests; NIH 3T3 Cells; Penicillanic Acid; Pseudomonas; Salmonella typhimurium; Staphylococcus; Structure-Activity Relationship | 2015 |
Degradation Kinetics and Mechanism of a β-Lactam Antibiotic Intermediate, 6-Aminopenicillanic Acid, in a New Integrated Production Process.
Topics: Anti-Bacterial Agents; Chromatography, High Pressure Liquid; Drug Contamination; Drug Stability; Hydrolysis; Kinetics; Models, Chemical; Penicillanic Acid; Solutions; Technology, Pharmaceutical; Temperature | 2016 |
Biotransformation of penicillin V to 6-aminopenicillanic acid using immobilized whole cells of E. coli expressing a highly active penicillin V acylase.
Topics: Alginates; Biotransformation; Escherichia coli; Glucuronic Acid; Hexuronic Acids; Microscopy, Electron, Scanning; Penicillanic Acid; Penicillin Amidase; Penicillin V; Permeability | 2017 |
Partial Least-Squares and Linear Support Vector Regression Chemometric Methods for Simultaneous Determination of Amoxicillin Trihydrate and Dicloxacillin Sodium in the Presence of Their Common Impurity.
Topics: Amoxicillin; Capsules; Dicloxacillin; Drug Contamination; Penicillanic Acid; Regression Analysis; Spectrophotometry, Ultraviolet | 2016 |
Preparation and Biochemical Property of Penicillin G Amidase-Loaded Alginate and Alginate/Chitosan Hydrogel Beads.
Topics: Alginates; Chitosan; Glucuronic Acid; Hexuronic Acids; Hydrogel, Polyethylene Glycol Dimethacrylate; Hydrogen-Ion Concentration; Patents as Topic; Penicillanic Acid; Penicillin Amidase; Penicillin G | 2016 |
Subcritical water oxidation of 6-aminopenicillanic acid and cloxacillin using H
Topics: Anti-Bacterial Agents; Cloxacillin; Environmental Restoration and Remediation; Humans; Hydrogen Peroxide; Hydrogen-Ion Concentration; Ion Exchange Resins; Oxidation-Reduction; Penicillanic Acid; Sulfates; Temperature; Water Pollutants, Chemical; Water Purification | 2017 |
Pharmaceutical Intermediate-Modified Gold Nanoparticles: Against Multidrug-Resistant Bacteria and Wound-Healing Application via an Electrospun Scaffold.
Topics: Animals; Anti-Bacterial Agents; Bacteria; Bandages; Gold; Metal Nanoparticles; Nanofibers; Penicillanic Acid; Polyesters; Rats, Sprague-Dawley; Wound Healing; Wound Infection | 2017 |
Chromatographic Methods for Quantitative Determination of Ampicillin, Dicloxacillin and Their Impurity 6-Aminopenicillanic Acid.
Topics: Ampicillin; Chromatography, High Pressure Liquid; Chromatography, Thin Layer; Dicloxacillin; Drug Contamination; Limit of Detection; Linear Models; Penicillanic Acid; Reproducibility of Results | 2018 |
Optimization of aqueous two-phase systems for the production of 6-aminopenicillanic acid in integrated microfluidic reactors-separators.
Topics: Buffers; Dextrans; Microfluidics; Molecular Weight; Penicillanic Acid; Phosphates; Polyethylene Glycols; Viscosity | 2018 |
Directed evolution of a penicillin V acylase from Bacillus sphaericus to improve its catalytic efficiency for 6-APA production.
Topics: Bacillus; Catalysis; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Penicillanic Acid; Penicillin Amidase; Protein Conformation; Substrate Specificity | 2018 |
Shielding of Enzymes on the Surface of Graphene-Based Composite Cellular Foams Through Bioinspired Mineralization.
Topics: Adsorption; Enzymes, Immobilized; Graphite; Nanocomposites; Oxidation-Reduction; Penicillanic Acid; Penicillin G; Polyethyleneimine; Porosity; Silicon Dioxide; Surface Properties | 2018 |
Electric-field-enhanced selective separation of products of an enzymatic reaction in a membrane micro-contactor.
Topics: Electricity; Lab-On-A-Chip Devices; Membranes, Artificial; Penicillanic Acid; Penicillin Amidase | 2021 |