ephedrine has been researched along with Sensitivity and Specificity in 83 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 0 (0.00) | 18.7374 |
1990's | 9 (10.84) | 18.2507 |
2000's | 59 (71.08) | 29.6817 |
2010's | 15 (18.07) | 24.3611 |
2020's | 0 (0.00) | 2.80 |
Authors | Studies |
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Cho, HY; Ham, SH; Jang, JH; Jeong, SH; Lee, YB; Yang, SJ | 1 |
Chatterjee, A; Chattopadhyay, SK; Kumar, S | 1 |
Bonfiglioli, R; Boriani, G; Diemberger, I; Fanti, S; La Donna, R; Mansi, L; Martignani, C; Nanni, C; Pettinato, C; Sambuceti, G; Zanoni, L | 1 |
Fu, Q; Kong, R; Liu, Y; Mi, W | 1 |
Higuchi, T; Javadi, M; Lapa, C; Nekolla, SG; Onthank, D; Rischpler, C; Robinson, S; Samnick, S; Schwaiger, M; Werner, RA | 1 |
Brown, MB; Duvernoy, CS; Ibrahim, ES; Jaiswal, M; Mueller, G; Pennathur, S; Plunkett, C; Pop-Busui, R; Raffel, DM; Stojanovska, J; Swanson, SD | 1 |
de Haan, S; Greuter, H; Harms, HJ; Hsieh, YL; Huisman, MC; Knaapen, P; Lammertsma, AA; Lubberink, M; Rijnierse, MT; Schuit, RC | 1 |
Xu, J; Yan, R | 1 |
Aikawa, T; Katoh, C; Magota, K; Manabe, O; Naya, M; Obara, M; Tamaki, N; Tomiyama, Y; Tsutsui, H; Yamada, S | 1 |
Bartlome, R; Rey, JM; Sigrist, MW | 1 |
Ai, C; Chen, X; Lin, L; Qiu, P | 1 |
Jia, YX; Liu, YM; Tian, W; Yue, HY | 2 |
Chen, Z; Li, HF; Lin, JM; Zeng, H | 1 |
Gougoulidis, V; Rodchenkov, G; Schänzer, W; Sigmund, G; Thevis, M; Thomas, A | 1 |
Chen, HL; Chen, XG; Hu, SQ; Ren, CL; Zhou, XM; Zhu, HD | 1 |
Sørensen, LK | 1 |
Gao, B; Shi, Y; Sun, A; Sun, C | 1 |
Fotouhi, L; Molaei, S; Seidi, S; Yamini, Y | 1 |
Li, X; Sun, J; You, T; Zhu, D | 1 |
Hellman, P; Sundin, A; Wassberg, C; Yamamoto, S | 1 |
D'Amico, A; Di Natale, C; Froiio, A; La Monica, L; Martinelli, E; Monti, D; Nardis, S; Paolesse, R; Venanzi, M | 1 |
Chu, KS; Doherty, TJ; Milheiro, JS; Parise, G; Tarnopolsky, MA | 1 |
Dong, X; Liua, S; Lu, X; Sun, H; Wang, H; Wang, N | 1 |
Mangin, P; Mateus-Avois, L; Saugy, M | 1 |
Magyar, K; Szöko, E; Tábi, T | 1 |
Chang, CF; Hsu, HR; Kuo, FH; Shieh, MH; Tseng, YL | 1 |
Chen, X; Hu, Z; Liu, J; Tian, J; Xie, J; Zhang, J | 2 |
Kim, M; Myung, SW; Yoon, SH | 1 |
Bergström, M; Engler, H; Juhlin, C; Långström, B; Trampal, C | 1 |
Benowitz, NL; Haller, CA; Jacob, P | 1 |
Mao, Y; Thompson, MJ; Tsai, EW; Wang, Q | 1 |
Jianniao, T; Jianping, X; Jiaqin, L; Jiyou, Z; Xingguo, C; Zhide, H | 1 |
Amini, A; Arvidsson, T; Rundlöf, T; Rydberg, MB | 1 |
Forsdahl, G; Gmeiner, G | 1 |
Dong, X; Guo, J; Li, Y; Ma, S; Sun, H; Wang, W | 1 |
Fraser, C; Gardner, G; Gay, ML; Ihara, T; Lam, JW; McCooeye, M; Phinney, KW; Roman, M; Sander, LC; Satterfield, MB; Sharpless, KE; Sturgeon, R; Wise, SA; Yen, JH | 1 |
Ferderigos, N; Nikolelis, DP; Psaroudakis, N | 1 |
Chen, X; Yu, H; Zhang, Y; Zhong, D; Zhu, L | 1 |
Gu, Y; Huang, M; Li, H; Shao, F; Sun, J; Wang, G; Wang, W; Xie, H; Zhang, J; Zhang, Q; Zhao, S | 1 |
Erickson, BE | 1 |
Harwood, JW; Likar, MD; Mansour, HL | 1 |
Ihara, T; Phinney, KW; Sander, LC | 1 |
Dey, J; Khatua, D; Roy, S | 1 |
Canfield, D; Chen, CY; Lewis, RJ; Li, TL; Liu, RH; Wang, SM | 1 |
Chen, X; Hu, Z; Li, C; Li, Y; Wang, W | 1 |
Beerens, AM; Buursma, AR; de Vries, EF; Haisma, HJ; Hospers, GA; Rots, MG; Vaalburg, W; van Waarde, A | 1 |
Chen, HX; Chen, Y; Han, FM; Shen, SL | 1 |
Aksoy, H; Baleanu, D; Dinç, E; Ozdemir, A; Ustündağ, O | 1 |
Li, Z; Ouyang, DS; Tan, ZR; Wang, D; Wang, LS; Zhou, G; Zhou, HH | 1 |
Chen, WP; Kajinami, K; Matsunari, I; Matsuya, T; Murakami, Y; Nakajima, K; Nekolla, SG; Nomura, Y; Takamatsu, H; Taki, J | 1 |
Kandikere, VN; Komarneni, P; Maurya, S; Mudigonda, K; Nirogi, RV; Shukla, M | 2 |
Cui, S; Feng, F; Liu, H; Ma, M; Sheng, Y | 1 |
Foley, JP; Kahle, KA | 1 |
Feng, YQ; Wei, F; Zhang, M | 1 |
Hedeland, Y; Lehtinen, J; Pettersson, C | 1 |
Chain, WJ; Myers, AG | 1 |
Hou, J; Rizvi, SA; Shamsi, SA; Zheng, J | 1 |
Hou, J; Shamsi, SA; Zheng, J | 1 |
Bortolotti, F; De Paoli, G; Fanigliulo, A; Gottardo, R; Pascali, JP; Tagliaro, F | 1 |
Wang, R; Yu, Y; Zhang, L; Zhang, Y | 1 |
Clement, RP; Hayes, RN; Merka, EA; Shen, JX; Tama, CI; Xu, Y | 1 |
Borre, Y; Chandrashekar, S; Dougan, JD; Farmer-Dougan, V; Heidenreich, BA | 1 |
Malitesta, C; Mazzotta, E; Picca, RA; Piletska, EV; Piletsky, SA | 1 |
Goda, Y; Kawahara, N; Kikura-Hanajiri, R; Makino, Y; Matsumoto, T; Nagano, T; Urano, Y | 1 |
Dash, AK | 1 |
Allman, KC; Greene, DA; Hutchins, GD; Schwaiger, M; Stevens, MJ; Wieland, DM; Wolfe, ER | 1 |
Gasco-Lopez, AI; Izquierdo-Hornillos, R; Jiminez, A | 1 |
Kikura, R; Nakahara, Y | 1 |
Al-Dirbashi, O; Irgum, K; Nakashima, K; Qvarnstrom, J | 1 |
Guo, P; Li, F; Li, T; Li, Z; Wang, X | 1 |
Link, JM; Synovec, RE | 1 |
Haque, A; Stewart, JT; Xu, X | 1 |
Kongyarit, N; Petmoreekul, A; Sangkunakup, S; Sankasa, S; Songkram, C; Suedee, R | 1 |
Carreras, D; Imaz, C; Navajas, R; Rodríguez, AF; Rodríguez, C | 1 |
Frey, AW; Reichart, B; Schwaiger, M; Uberfuhr, P; Ziegler, S | 1 |
Aymard, G; Berlin, I; Diquet, B; Labarthe, B; Warot, D | 1 |
De Backer, P; Delbeke, FT; Roels, K; Van Eenoo, P | 1 |
Kaddoumi, A; Kubota, A; Nakashima, K; Nakashima, MN; Takahashi, M | 1 |
Klíma, J; Macek, J; Ptáek, P | 1 |
Ersoy, O; Gokdeniz, R; Togal, T; Toprak, HI; Turkoz, A | 1 |
1 review(s) available for ephedrine and Sensitivity and Specificity
Article | Year |
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11C-mHED for PET / CT: principles of synthesis, methodology and first clinical applications.
Topics: Autonomic Nervous System Diseases; Carbon Radioisotopes; Dose-Response Relationship, Drug; Ephedrine; Heart; Heart Diseases; Humans; Image Processing, Computer-Assisted; Myocardium; Positron-Emission Tomography; Radiopharmaceuticals; Sensitivity and Specificity; Time Factors; Tomography, X-Ray Computed | 2014 |
7 trial(s) available for ephedrine and Sensitivity and Specificity
Article | Year |
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Influences of different vasopressors on stroke volume variation and pulse pressure variation.
Topics: Adolescent; Adult; Blood Pressure; Dopamine; Dose-Response Relationship, Drug; Ephedrine; Female; Humans; Male; Middle Aged; Monitoring, Intraoperative; Phenylephrine; Reproducibility of Results; Sensitivity and Specificity; Stroke Volume; Vasoconstrictor Agents; Young Adult | 2016 |
Noninvasive Quantification of Myocardial 11C-Meta-Hydroxyephedrine Kinetics.
Topics: Aged; Aged, 80 and over; Algorithms; Cardiomyopathies; Computer Simulation; Ephedrine; Heart; Humans; Image Interpretation, Computer-Assisted; Metabolic Clearance Rate; Middle Aged; Models, Cardiovascular; Myocardium; Organ Specificity; Positron Emission Tomography Computed Tomography; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Tissue Distribution | 2016 |
A moderate dose of pseudoephedrine does not alter muscle contraction strength or anaerobic power.
Topics: Adult; Analysis of Variance; Cross-Over Studies; Dose-Response Relationship, Drug; Double-Blind Method; Ephedrine; Exercise Test; Female; Humans; Male; Muscle Contraction; Muscle Fatigue; Musculoskeletal Physiological Phenomena; Physical Endurance; Probability; Reference Values; Sensitivity and Specificity | 2002 |
Enhanced stimulant and metabolic effects of combined ephedrine and caffeine.
Topics: Adolescent; Adult; Area Under Curve; Biological Availability; Blood Pressure; Caffeine; Cardiovascular System; Central Nervous System Stimulants; Confidence Intervals; Cross-Over Studies; Dose-Response Relationship, Drug; Double-Blind Method; Drug Administration Schedule; Drug Interactions; Ephedrine; Female; Heart Rate; Hemodynamics; Humans; Male; Middle Aged; Risk Assessment; Sensitivity and Specificity | 2004 |
Development and evaluation of an efficient HPLC/MS/MS method for the simultaneous determination of pseudoephedrine and cetirizine in human plasma: application to phase-I pharmacokinetic study.
Topics: Adult; Calibration; Cetirizine; Chromatography, High Pressure Liquid; Ephedrine; Female; Humans; Male; Quality Control; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization | 2007 |
Sympathetic reinnervation of sinus node and left ventricle after heart transplantation in humans: regional differences assessed by heart rate variability and positron emission tomography.
Topics: Adult; Aged; Carbon Radioisotopes; Ephedrine; Female; Follow-Up Studies; Heart Rate; Heart Transplantation; Heart Ventricles; Humans; Male; Middle Aged; Nerve Regeneration; Norepinephrine; Probability; Sensitivity and Specificity; Sinoatrial Node; Statistics, Nonparametric; Sympathetic Nervous System; Tomography, Emission-Computed; Ventricular Function, Left | 2000 |
Effectiveness of intravenous ephedrine infusion during spinal anaesthesia for caesarean section based on maternal hypotension, neonatal acid-base status and lactate levels.
Topics: Acid-Base Equilibrium; Adult; Analysis of Variance; Anesthesia, Obstetrical; Anesthesia, Spinal; Apgar Score; Blood Pressure Determination; Cesarean Section; Ephedrine; Female; Heart Rate, Fetal; Humans; Hypotension; Infant, Newborn; Infusions, Intravenous; Lactates; Pregnancy; Pregnancy Outcome; Reference Values; Risk Assessment; Sensitivity and Specificity; Statistics, Nonparametric; Treatment Outcome | 2002 |
75 other study(ies) available for ephedrine and Sensitivity and Specificity
Article | Year |
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Simultaneous UPLC-MS/MS determination of four components of Socheongryong-tang tablet in human plasma: Application to pharmacokinetic study.
Topics: Administration, Oral; Adult; Chromatography, High Pressure Liquid; Cinnamates; Cyclooctanes; Drugs, Chinese Herbal; Ephedrine; Glucosides; Humans; Lignans; Linear Models; Male; Middle Aged; Monoterpenes; Polycyclic Compounds; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry; Young Adult | 2018 |
A validated HPLC-PDA method for identification and quantification of two bioactive alkaloids, ephedrine and cryptolepine, in different Sida species.
Topics: Chromatography, High Pressure Liquid; Ephedrine; Indole Alkaloids; Least-Squares Analysis; Malvaceae; Plant Extracts; Quinolines; Reproducibility of Results; Sensitivity and Specificity | 2013 |
Retention Kinetics of the 18F-Labeled Sympathetic Nerve PET Tracer LMI1195: Comparison with 11C-Hydroxyephedrine and 123I-MIBG.
Topics: 3-Iodobenzylguanidine; Animals; Autonomic Nervous System Diseases; Ephedrine; Fluorine Radioisotopes; Fluorobenzenes; Guanidines; Isotope Labeling; Kinetics; Metabolic Clearance Rate; Organ Specificity; Positron-Emission Tomography; Rabbits; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Tissue Distribution | 2015 |
Left ventricular metabolism, function, and sympathetic innervation in men and women with type 1 diabetes.
Topics: Adult; Blood Flow Velocity; Coronary Circulation; Diabetes Mellitus, Type 1; Diabetic Cardiomyopathies; Ephedrine; Female; Heart Ventricles; Humans; Male; Reproducibility of Results; Sensitivity and Specificity; Sex Characteristics; Stroke Volume; Sympathetic Nervous System; Ventricular Dysfunction, Left | 2016 |
Determination of the Metabolite of Ephedrine, 4-Hydroxyephedrine, by LC-MS-MS in Rat Urine and Its Application in Excretion Profiles After Oral Administration of Ephedra sinica Stapf and Processing Ephedra sinica Stapf.
Topics: Administration, Oral; Animals; Chromatography, Liquid; Drugs, Chinese Herbal; Ephedra sinica; Ephedrine; Linear Models; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry | 2017 |
Impaired Myocardial Sympathetic Innervation Is Associated with Diastolic Dysfunction in Heart Failure with Preserved Ejection Fraction:
Topics: Aged; Autonomic Nervous System Diseases; Ephedrine; Female; Heart Failure; Humans; Image Interpretation, Computer-Assisted; Male; Middle Aged; Observer Variation; Positron-Emission Tomography; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Stroke Volume; Ventricular Dysfunction, Left | 2017 |
Vapor-phase infrared laser spectroscopy: from gas sensing to forensic urinalysis.
Topics: Ephedrine; Gases; Health; Humans; Lasers; Molecular Structure; Probability; Sensitivity and Specificity; Spectrophotometry, Infrared; Stereoisomerism; Temperature; Urinalysis; Urine; Vibration | 2008 |
Simultaneous determination of five toxic alkaloids in body fluids by high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry.
Topics: Aconitine; Alkaloids; Chromatography, High Pressure Liquid; Colchicine; Drug Stability; Ephedrine; Linear Models; Reproducibility of Results; Sensitivity and Specificity; Solid Phase Extraction; Spectrometry, Mass, Electrospray Ionization; Strychnine; Tandem Mass Spectrometry | 2008 |
The use of CE ECL with ionic liquid for the determination of drug alkaloids and applications in human urine.
Topics: Electrophoresis, Capillary; Ephedrine; Humans; Hydrogen-Ion Concentration; Imidazoles; Ionic Liquids; Linear Models; Luminescent Measurements; Morphine Derivatives; Osmolar Concentration; Reproducibility of Results; Sensitivity and Specificity | 2009 |
Chip-based enantioselective open-tubular capillary electrochromatography using bovine serum albumin-gold nanoparticle conjugates as the stationary phase.
Topics: Capillary Electrochromatography; Ephedrine; Equipment Design; Gold; Hydrogen-Ion Concentration; Immobilized Proteins; Metal Nanoparticles; Microscopy, Atomic Force; Microscopy, Electron, Transmission; Phenylpropanolamine; Reproducibility of Results; Sensitivity and Specificity; Serum Albumin, Bovine; Stereoisomerism | 2009 |
Simultaneous determination of methylephedrine and pseudoephedrine in human urine by CE with electrochemiluminescence detection and its application to pharmacokeinetics.
Topics: Bronchodilator Agents; Electrochemistry; Electrophoresis, Capillary; Ephedrine; Humans; Imidazoles; Luminescent Measurements; Pseudoephedrine; Reproducibility of Results; Sensitivity and Specificity | 2009 |
Doping control analysis of metamfepramone and two major metabolites using liquid chromatography-tandem mass spectrometry.
Topics: Chromatography, Liquid; Doping in Sports; Ephedrine; Humans; Male; Middle Aged; Propiophenones; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Substance Abuse Detection; Sympathomimetics; Tandem Mass Spectrometry | 2009 |
Thousand fold concentration of an alkaloid in capillary zone electrophoresis by micelle to solvent stacking.
Topics: Alkaloids; Berberine; Electrophoresis, Capillary; Ephedrine; Humans; Linear Models; Micelles; Reproducibility of Results; Sensitivity and Specificity; Sodium Dodecyl Sulfate | 2011 |
Determination of cathinones and related ephedrines in forensic whole-blood samples by liquid-chromatography-electrospray tandem mass spectrometry.
Topics: Alkaloids; Chromatography, Liquid; Ephedrine; Humans; Methanol; Principal Component Analysis; Propiophenones; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry | 2011 |
Development of a liquid chromatography tandem mass spectrometry method for simultaneous determination of eight adulterants in slimming functional foods.
Topics: Anthraquinones; Chromatography, Liquid; Clopamide; Cyclobutanes; Diet, Reducing; Emodin; Ephedrine; Fenfluramine; Food Contamination; Functional Food; Linear Models; Methanol; Phenylpropanolamine; Reproducibility of Results; Sensitivity and Specificity; Tandem Mass Spectrometry; Temperature | 2011 |
Comparison of conventional hollow fiber based liquid phase microextraction and electromembrane extraction efficiencies for the extraction of ephedrine from biological fluids.
Topics: Chromatography, High Pressure Liquid; Ephedrine; Humans; Hydrogen-Ion Concentration; Linear Models; Liquid Phase Microextraction; Membranes, Artificial; Reproducibility of Results; Sensitivity and Specificity; Sodium Chloride | 2011 |
Chemometrics optimization of six antihistamines separations by capillary electrophoresis with electrochemiluminescence detection.
Topics: Buffers; Chlorpheniramine; Cyproheptadine; Diphenhydramine; Doxylamine; Electrochemistry; Electrophoresis, Capillary; Ephedrine; Histamine Antagonists; Humans; Hydrogen-Ion Concentration; Luminescent Measurements; Pyridines; Reproducibility of Results; Sensitivity and Specificity | 2012 |
11C-hydroxyephedrine positron emission tomography imaging of pheochromocytoma: a single center experience over 11 years.
Topics: Adolescent; Adrenal Gland Neoplasms; Adult; Aged; Aged, 80 and over; Carbon Radioisotopes; Child; Child, Preschool; Efficiency; Ephedrine; Female; Humans; Male; Middle Aged; Multimodal Imaging; Pheochromocytoma; Positron-Emission Tomography; Retrospective Studies; Sensitivity and Specificity; Time Factors; Tomography, X-Ray Computed; Young Adult | 2012 |
Preparation and self-assembly of chiral porphyrin diads on the gold electrodes of quartz crystal microbalances: a novel potential approach to the development of enantioselective chemical sensors.
Topics: Cobalt; Crystallization; Cyclohexenes; Ephedrine; Equipment Design; Gold; Limonene; Menthol; Microelectrodes; Online Systems; Organometallic Compounds; Porphyrins; Sensitivity and Specificity; Stereoisomerism; Terpenes | 2002 |
Separation of ephedrine stereoisomers by molecularly imprinted polymers--influence of synthetic conditions and mobile phase compositions on the chromatographic performance.
Topics: Adrenergic Agents; Chromatography, High Pressure Liquid; Ephedrine; Magnetic Resonance Spectroscopy; Methacrylates; Polymers; Sensitivity and Specificity; Stereoisomerism | 2002 |
Development and validation of a capillary zone electrophoresis method for the determination of ephedrine and related compounds in urine without extraction.
Topics: beta-Cyclodextrins; Chromatography, Gas; Cyclodextrins; Dietary Supplements; Electrophoresis, Capillary; Ephedrine; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 2003 |
Chiral characterization of deprenyl-N-oxide and other deprenyl metabolites by capillary electrophoresis using a dual cyclodextrin system in rat urine.
Topics: Amphetamine; Animals; Biotransformation; Cyclodextrins; Electrophoresis, Capillary; Ephedrine; Male; Monoamine Oxidase Inhibitors; Phenylpropanolamine; Rats; Rats, Wistar; Reproducibility of Results; Selegiline; Sensitivity and Specificity; Stereoisomerism | 2003 |
Ephedrines in over-the-counter cold medicines and urine specimens collected during sport competitions.
Topics: Central Nervous System Stimulants; Doping in Sports; Ephedrine; Gas Chromatography-Mass Spectrometry; Humans; Nitrogen; Nonprescription Drugs; Phosphorus; Reproducibility of Results; Sensitivity and Specificity; Substance Abuse Detection; Urinalysis | 2003 |
Microemulsion electrokinetic chromatography with laser-induced fluorescence detection for sensitive determination of ephedrine and pseudoephedrine.
Topics: Alkaloids; Buffers; Chromatography, Micellar Electrokinetic Capillary; Drugs, Chinese Herbal; Emulsions; Ephedrine; Fluorescence; Lasers; Sensitivity and Specificity | 2004 |
Analysis of benzene ethylamine derivatives in urine using the programmable dynamic liquid-phase microextraction (LPME) device.
Topics: Benzene Derivatives; Bupropion; Electronic Data Processing; Ephedrine; Ethylamines; Humans; Mephentermine; Methamphetamine; Microchemistry; Reproducibility of Results; Selegiline; Sensitivity and Specificity; Substance Abuse Detection | 2003 |
Pheochromocytomas: detection with 11C hydroxyephedrine PET.
Topics: Adrenal Gland Neoplasms; Adrenal Glands; Adult; Aged; Carbon Radioisotopes; Diagnosis, Differential; Ephedrine; Female; Humans; Image Processing, Computer-Assisted; Male; Middle Aged; Pheochromocytoma; Sensitivity and Specificity; Tomography, Emission-Computed | 2004 |
Quantitation of poloxamers in pharmaceutical formulations using size exclusion chromatography and colorimetric methods.
Topics: Amines; Biphenyl Compounds; Chromatography, Gel; Colorimetry; Cyclohexanecarboxylic Acids; Ephedrine; Gabapentin; gamma-Aminobutyric Acid; Irbesartan; Molecular Structure; Poloxamer; Reproducibility of Results; Sensitivity and Specificity; Tablets; Tetrazoles | 2004 |
Rapid and sensitive determination of ephedrine and pseudoephedrine by micellar electrokinetic chromatography with on-line regenerating covalent coating.
Topics: Borates; Chromatography, Micellar Electrokinetic Capillary; Drugs, Chinese Herbal; Ephedrine; Lasers; Organosilicon Compounds; Reproducibility of Results; Sensitivity and Specificity; Sodium Dodecyl Sulfate | 2005 |
Characterization of sulfated beta-cyclodextrins and determination of enantiomeric purity of (1 R,2S)-ephedrine by capillary zone electrophoresis.
Topics: beta-Cyclodextrins; Electrophoresis, Capillary; Ephedrine; Magnetic Resonance Spectroscopy; Sensitivity and Specificity; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Stereoisomerism; Sulfates | 2004 |
Investigation of the silylation of ephedrines using N-methyl-N-trimethylsilyl-trifluoroacetamide.
Topics: Acetamides; Doping in Sports; Ephedrine; Fluoroacetates; Gas Chromatography-Mass Spectrometry; Humans; N-Acetylneuraminic Acid; Sensitivity and Specificity; Trifluoroacetic Acid; Trimethylsilyl Compounds | 2004 |
Micellar electrokinetic chromatography with laser-induced fluorescence detection for sensitive determination of ephedrine and pseudoephedrine.
Topics: Adrenergic Agents; Chromatography, Micellar Electrokinetic Capillary; Drugs, Chinese Herbal; Ephedra; Ephedrine; Lasers; Plant Extracts; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence | 2004 |
Molecularly imprinted solid-phase extraction of (-)-ephedrine from Chinese Ephedra.
Topics: Chromatography, High Pressure Liquid; Ephedra; Ephedrine; Reproducibility of Results; Sensitivity and Specificity; Solvents | 2005 |
Determination of ephedrine alkaloids in dietary supplement standard reference materials.
Topics: Alkaloids; Chromatography, Liquid; Dietary Supplements; Ephedrine; Food Analysis; Mass Spectrometry; Reference Standards; Reproducibility of Results; Sensitivity and Specificity | 2005 |
Preparation of a selective receptor for ephedrine for the development of an optical spot test for the detection of ephedrine in human urine using stabilized in air lipid films with incorporated receptor.
Topics: Air; Biosensing Techniques; Calibration; Ephedrine; Filtration; Fluorescence; Glass; Humans; Lipids; Optics and Photonics; Polymethacrylic Acids; Quality Control; Reproducibility of Results; Sensitivity and Specificity; Spectrum Analysis; Time Factors | 2005 |
Simultaneous determination of methylephedrine and noscapine in human plasma by liquid chromatography-tandem mass spectrometry.
Topics: Atmospheric Pressure; Calibration; Chromatography, Liquid; Ephedrine; Humans; Mass Spectrometry; Noscapine; Reproducibility of Results; Sensitivity and Specificity | 2005 |
Simultaneous determination of loratadine and pseudoephedrine sulfate in human plasma by liquid chromatography-electrospray mass spectrometry for pharmacokinetic studies.
Topics: Calibration; Chromatography, High Pressure Liquid; Ephedrine; Histamine H1 Antagonists; Humans; Loratadine; Quality Control; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization | 2005 |
Detecting doping.
Topics: Doping in Sports; Ephedrine; Filtration; Gestrinone; Hepatocytes; Humans; Membranes, Artificial; Sensitivity and Specificity | 2005 |
Development and validation of a dissolution test for a once-a-day combination tablet of immediate-release cetirizine dihydrochloride and extended-release pseudoephedrine hydrochloride.
Topics: Biological Availability; Cetirizine; Chemistry, Pharmaceutical; Chromatography, High Pressure Liquid; Delayed-Action Preparations; Drug Combinations; Drug Industry; Ephedrine; Linear Models; Methanol; Models, Chemical; Models, Statistical; Osmosis; Pharmaceutical Preparations; Sensitivity and Specificity; Solubility; Tablets; Therapeutic Equivalency; Time Factors; Water | 2005 |
Determination of ephedrine alkaloid stereoisomers in dietary supplements by capillary electrophoresis.
Topics: Alkaloids; Calibration; Dietary Supplements; Electrophoresis, Capillary; Ephedrine; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Stereoisomerism | 2005 |
Giant vesicles of a single-tailed chiral cationic surfactant, (1R,2S)-(-)-N-dodecyl-N-methylephedrinium bromide, in water.
Topics: Cations; Ephedrine; Magnetic Resonance Spectroscopy; Molecular Structure; Particle Size; Sensitivity and Specificity; Solubility; Spectrometry, Fluorescence; Spectroscopy, Fourier Transform Infrared; Surface-Active Agents; Temperature; Viscosity; Water | 2005 |
Enantiomeric determination of ephedrines and norephedrines by chiral derivatization gas chromatography-mass spectrometry approaches.
Topics: Ephedrine; Gas Chromatography-Mass Spectrometry; Phenylpropanolamine; Reference Standards; Sensitivity and Specificity; Stereoisomerism | 2005 |
Rapid and ultrasensitive determination of ephedrine and pseudoephedrine derivatizated with 5-(4,6-dichloro-s-triazin-2-ylamino) fluorescein by micellar electrokinetic chromatography with laser-induced fluorescence detection.
Topics: Chromatography, Micellar Electrokinetic Capillary; Ephedrine; Fluoresceins; Lasers; Sensitivity and Specificity; Spectrometry, Fluorescence; Triazines | 2006 |
The human norepinephrine transporter in combination with 11C-m-hydroxyephedrine as a reporter gene/reporter probe for PET of gene therapy.
Topics: Adenoviridae; Animals; Carbon Radioisotopes; Cell Line; Cell Line, Tumor; Chlorocebus aethiops; Contrast Media; COS Cells; Desipramine; Ephedrine; Genes, Reporter; Genetic Therapy; Green Fluorescent Proteins; Humans; Models, Chemical; Neoplasm Transplantation; Norepinephrine Plasma Membrane Transport Proteins; Positron-Emission Tomography; Rats; Sensitivity and Specificity; Time Factors; Transfection | 2005 |
[Analysis of ephedrine and its metabolites in rat urine by HPLC-ESI-ITMSn].
Topics: Animals; Chromatography, High Pressure Liquid; Ephedrine; Male; Molecular Weight; Rats; Rats, Wistar; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization | 2005 |
Chemometric determination of naproxen sodium and pseudoephedrine hydrochloride in tablets by HPLC.
Topics: Anti-Inflammatory Agents, Non-Steroidal; Bronchodilator Agents; Calibration; Chromatography, High Pressure Liquid; Ephedrine; Least-Squares Analysis; Naproxen; Regression Analysis; Reproducibility of Results; Sensitivity and Specificity; Tablets | 2006 |
Sensitive bioassay for the simultaneous determination of pseudoephedrine and cetirizine in human plasma by liquid-chromatography-ion trap spectrometry.
Topics: Adult; Anti-Allergic Agents; Cetirizine; Chromatography, Liquid; Drug Combinations; Ephedrine; Humans; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization | 2006 |
Quantitation of cardiac sympathetic innervation in rabbits using 11C-hydroxyephedrine PET: relation to 123I-MIBG uptake.
Topics: 3-Iodobenzylguanidine; Animals; Ephedrine; Heart; Image Interpretation, Computer-Assisted; Male; Metabolic Clearance Rate; Myocardium; Positron-Emission Tomography; Rabbits; Radiopharmaceuticals; Reproducibility of Results; Sensitivity and Specificity; Sympathetic Nervous System; Tissue Distribution | 2006 |
Simultaneous quantification of fexofenadine and pseudoephedrine in human plasma by liquid chromatography/tandem mass spectrometry with electrospray ionization: method development, validation and application to a clinical study.
Topics: Blood Chemical Analysis; Chromatography, High Pressure Liquid; Clinical Trials as Topic; Complex Mixtures; Ephedrine; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Terfenadine | 2006 |
Chiral microemulsion electrokinetic chromatography: Effect of cosurfactant identity on enantioselectivity, methylene selectivity, resolution, and other chromatographic figures of merit.
Topics: Acetates; Capillary Electrochromatography; Emulsions; Ephedrine; Fatty Alcohols; Particle Size; Sensitivity and Specificity; Stereoisomerism; Surface-Active Agents; Valine | 2006 |
Combining poly (methacrylic acid-co-ethylene glycol dimethacrylate) monolith microextraction and on-line pre-concentration-capillary electrophoresis for analysis of ephedrine and pseudoephedrine in human plasma and urine.
Topics: Electrophoresis, Capillary; Ephedrine; Ethylene Glycols; Humans; Methacrylates; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 2007 |
Ketopinic acid and diisoproylideneketogulonic acid as chiral ion-pair selectors in capillary electrophoresis. Enantiomeric impurity analysis of S-timolol and 1R,2S-ephedrine.
Topics: Bridged Bicyclo Compounds, Heterocyclic; Bridged-Ring Compounds; Electrophoresis, Capillary; Ephedrine; Ketones; Reproducibility of Results; Sensitivity and Specificity; Stereoisomerism; Sugar Acids; Timolol | 2007 |
A convenient, NMR-based method for the analysis of diastereomeric mixtures of pseudoephedrine amides.
Topics: Amides; Cyclization; Ephedrine; Magnetic Resonance Spectroscopy; Molecular Conformation; Oxazoles; Reference Standards; Sensitivity and Specificity; Stereoisomerism | 2007 |
Quantification of pseudoephedrine in human plasma by LC-MS/MS using mosapride as internal standard.
Topics: Benzamides; Biological Availability; Chromatography, High Pressure Liquid; Drug Stability; Ephedrine; Humans; Molecular Structure; Morpholines; Plasma; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Solid Phase Extraction; Spectrometry, Mass, Electrospray Ionization; Tandem Mass Spectrometry | 2007 |
Simultaneous chiral separation and determination of ephedrine alkaloids by MEKC-ESI-MS using polymeric surfactant I: method development.
Topics: Buffers; Chromatography, Micellar Electrokinetic Capillary; Ephedrine; Micelles; Phenylpropanolamine; Polymers; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Spectrophotometry, Ultraviolet; Stereoisomerism; Surface-Active Agents; Temperature | 2007 |
Simultaneous chiral separation of ephedrine alkaloids by MEKC-ESI-MS using polymeric surfactant II: application in dietary supplements.
Topics: Alkaloids; Chromatography, Micellar Electrokinetic Capillary; Dietary Supplements; Ephedra sinica; Ephedrine; Hydrophobic and Hydrophilic Interactions; Micelles; Polymers; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization; Stereoisomerism; Surface-Active Agents | 2007 |
Broad-spectrum toxicological analysis of hair based on capillary zone electrophoresis-time-of-flight mass spectrometry.
Topics: Amphetamine; Cocaine; Electrophoresis, Capillary; Ephedrine; Forensic Medicine; Hair; Heroin; Humans; Illicit Drugs; Morphine; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Substance Abuse Detection | 2007 |
Capillary electrophoresis with laser-induced fluorescence and pre-column derivatization for the analysis of illicit drugs.
Topics: Amphetamine; Calibration; Central Nervous System Stimulants; Electrophoresis, Capillary; Ephedrine; Feasibility Studies; Fluorescein-5-isothiocyanate; Fluorescence; Humans; Illicit Drugs; Lasers; Methamphetamine; Propafenone; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Silicon Dioxide; Solid Phase Extraction | 2007 |
Simultaneous determination of desloratadine and pseudoephedrine in human plasma using micro solid-phase extraction tips and aqueous normal-phase liquid chromatography/tandem mass spectrometry.
Topics: Blood Chemical Analysis; Chromatography, High Pressure Liquid; Complex Mixtures; Ephedrine; Humans; Loratadine; Reproducibility of Results; Sensitivity and Specificity; Solid Phase Microextraction; Spectrometry, Mass, Electrospray Ionization | 2007 |
Changes in sensitivity of response distributions to changing reinforcement ratios during exposure to ephedrine, caffeine, and ephedrine-caffeine combinations.
Topics: Analysis of Variance; Animals; Behavior, Animal; Caffeine; Central Nervous System Stimulants; Conditioning, Operant; Dose-Response Relationship, Drug; Drug Combinations; Ephedrine; Male; Rats; Rats, Sprague-Dawley; Reinforcement Schedule; Reinforcement, Psychology; Reward; Self Administration; Sensitivity and Specificity | 2007 |
Development of a sensor prepared by entrapment of MIP particles in electrosynthesised polymer films for electrochemical detection of ephedrine.
Topics: Biosensing Techniques; Electrochemistry; Electroplating; Ephedrine; Equipment Design; Equipment Failure Analysis; Membranes, Artificial; Microspheres; Polymers; Pyrroles; Reproducibility of Results; Sensitivity and Specificity; Surface Properties | 2008 |
Evaluation of characteristic deuterium distributions of ephedrines and methamphetamines by NMR spectroscopy for drug profiling.
Topics: Central Nervous System Stimulants; Deuterium; Ephedrine; Japan; Magnetic Resonance Spectroscopy; Methamphetamine; Sensitivity and Specificity | 2008 |
Determination of pseudoephedrine hydrochloride in dosage forms by liquid chromatography.
Topics: Chemistry, Pharmaceutical; Chromatography, Liquid; Dosage Forms; Drug Stability; Ephedrine; Lidocaine; Sensitivity and Specificity | 1994 |
Noninvasive assessment of cardiac diabetic neuropathy by carbon-11 hydroxyephedrine and positron emission tomography.
Topics: Adult; Aged; Autonomic Nervous System Diseases; Blood Flow Velocity; Carbon Radioisotopes; Case-Control Studies; Diabetes Mellitus, Type 1; Diabetic Neuropathies; Ephedrine; Female; Heart Diseases; Humans; Male; Middle Aged; Sensitivity and Specificity; Severity of Illness Index; Sympathetic Nervous System; Tomography, Emission-Computed | 1993 |
Development and validation of a high-performance liquid chromatography method for the determination of cold relief ingredients in chewing gum.
Topics: Acetaminophen; Chewing Gum; Chlorpheniramine; Chromatography, High Pressure Liquid; Ephedrine; Placebos; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 1997 |
Hair analysis for drugs of abuse. XIX. Determination of ephedrine and its homologs in rat hair and human hair.
Topics: Amphetamines; Animals; Central Nervous System Stimulants; Ephedrine; Female; Gas Chromatography-Mass Spectrometry; Hair; Humans; Infant, Newborn; Male; Phenylpropanolamine; Pregnancy; Rats; Reproducibility of Results; Sensitivity and Specificity; Substance Abuse Detection | 1997 |
Simple and sensitive high-performance liquid chromatographic determination of methamphetamines in human urine as derivatives of 4-(4,5-diphenyl-1H-imidazol-2-yl) benzoyl chloride, a new fluorescence derivatization reagent.
Topics: Adult; Amphetamine; Benzoates; Chromatography, High Pressure Liquid; Ephedrine; Female; Fluorescent Dyes; Humans; Imidazoles; Male; Methamphetamine; p-Hydroxyamphetamine; Reproducibility of Results; Sensitivity and Specificity; Substance Abuse Detection; Sympathomimetics | 1998 |
Direct injection of plasma to determine pseudoephedrine by high performance liquid chromatography with column switching.
Topics: Calibration; Chromatography, High Pressure Liquid; Ephedrine; Humans; Reproducibility of Results; Sensitivity and Specificity | 1999 |
Whole-column radioactivity detection: simultaneous separation and enhanced detectability.
Topics: Carbon Radioisotopes; Ephedrine; Epinephrine; Radiometry; Sensitivity and Specificity | 1999 |
Determination of ephedrine, theophylline and phenobarbital in a tablet dosage form by capillary electrophoresis.
Topics: Calibration; Drug Combinations; Electrophoresis, Capillary; Ephedrine; Hydrogen-Ion Concentration; Parabens; Phenobarbital; Sensitivity and Specificity; Tablets; Theophylline | 1999 |
Direct enantioseparation of adrenergic drugs via thin-layer chromatography using molecularly imprinted polymers.
Topics: Acetic Acid; Acetonitriles; Adrenergic Agents; Chromatography, Thin Layer; Ephedrine; Epinephrine; Methanol; Molecular Conformation; Phenylpropanolamine; Polymers; Reproducibility of Results; Sensitivity and Specificity; Solvents; Stereoisomerism | 1999 |
Comparison of various reversed-phase columns for the simultaneous determination of ephedrines in urine by high-performance liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Ephedrine; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 2000 |
Sensitive determination of ephedrine and norephedrine in human plasma samples using derivatization with 9-fluorenylmethyl chloroformate and liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Drug Stability; Ephedrine; Fluorenes; Fluorometry; Humans; Phenylpropanolamine; Reproducibility of Results; Sensitivity and Specificity; Sympathomimetics | 2000 |
Simultaneous quantitation of ephedrines in urine by gas chromatography-nitrogen-phosphorus detection for doping control purposes.
Topics: Calibration; Chromatography, Gas; Doping in Sports; Ephedrine; Humans; Reproducibility of Results; Sensitivity and Specificity; Substance Abuse Detection | 2001 |
High performance liquid chromatography with UV detection for the simultaneous determination of sympathomimetic amines using 4-(4,5-diphenyl-1H-imidazole-2-yl)benzoyl chloride as a label.
Topics: Amines; Animals; Benzoates; Chromatography, High Pressure Liquid; Ephedrine; Fenfluramine; Humans; Imidazoles; Indicators and Reagents; Male; Phenethylamines; Phentermine; Phenylpropanolamine; Rats; Rats, Wistar; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet; Sympathomimetics | 2001 |
Rapid determination of pseudoephedrine in human plasma by high-performance liquid chromatography.
Topics: Calibration; Chromatography, High Pressure Liquid; Ephedrine; Humans; Reference Standards; Reproducibility of Results; Sensitivity and Specificity; Spectrophotometry, Ultraviolet | 2002 |