n-methylephedrine has been researched along with phenylpropanolamine in 18 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 5 (27.78) | 18.2507 |
| 2000's | 7 (38.89) | 29.6817 |
| 2010's | 5 (27.78) | 24.3611 |
| 2020's | 1 (5.56) | 2.80 |
| Authors | Studies |
|---|---|
| Cui, JF; Niu, CQ; Zhang, JS | 1 |
| Alexander, S; Freedman, TB; Ragunathan, N | 1 |
| Adelman, DC; Catlin, DH; Sekera, M | 1 |
| Kikura, R; Nakahara, Y | 1 |
| Harada, T; Masaoka, Y; Miki, H; Nakamoto, Y; Okamura, N; Tsuguma, M; Yagi, A; Yamashita, S; Yoshitomi, H | 1 |
| Kuo, FH; Shieh, MH; Tseng, YL | 1 |
| Chan, KH; Hsu, MC; Pan, RN | 1 |
| Lin, JM; Liu, LB; Zheng, ZX | 1 |
| Bell, DS; Cramer, HM; Jones, AD | 1 |
| Bavadekar, SA; Davis, YM; Feller, DR; Khan, IA; Lalchandani, SG; Ma, G; Nagmani, R; Schaneberg, BT | 1 |
| Hou, J; Rizvi, SA; Shamsi, SA; Zheng, J | 1 |
| Botrè, F; de la Torre, X; Leone, D; Strano-Rossi, S | 1 |
| Cai, SQ; Chen, HB; Hong, H; Mikage, M; Shang, MY; Wang, X; Yang, DH | 1 |
| Archer, R; Barker, J; Cross, P; Deshmukh, NI; Naughton, DP; Petróczi, A; Shah, SA | 1 |
| Attipoe, S; Cohen, PA; Deuster, PA; Eichner, A | 1 |
| Cha, E; Cha, S; Jeong, ES; Kim, KH; Kwon, OS; Lee, J | 1 |
| Chang, CW; Hsu, MC; Hsu, SY; Huang, GQ | 1 |
| Chan, YY; Chen, FA; Hung, HY; Kuo, PC; Lam, SH; Li, CY; Lin, SM; Liou, MJ; Shieh, PC; Wu, TS | 1 |
18 other study(ies) available for n-methylephedrine and phenylpropanolamine
| Article | Year |
|---|---|
[Determination of six Ephedra alkaloids in Chinese Ephedra (Ma Huang) by gas chromatography].
Topics: Alkaloids; Chromatography, Gas; Drugs, Chinese Herbal; Ephedrine; Phenylpropanolamine; Species Specificity | 1991 |
Vibrational circular dichroism in ephedra molecules. Experimental measurement and ab initio calculation.
Topics: Circular Dichroism; Ephedrine; Molecular Conformation; Phenylpropanolamine; Vibration | 1994 |
Erythroderma associated with ingestion of an herbal product.
Topics: Adult; Dermatitis, Exfoliative; Drugs, Chinese Herbal; Ephedrine; Female; Gas Chromatography-Mass Spectrometry; Humans; Phenylpropanolamine; Tablets | 1993 |
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 |
Simultaneous determination of ephedrine, pseudoephedrine, norephedrine and methylephedrine in Kampo medicines by high-performance liquid chromatography.
Topics: Central Nervous System Stimulants; Chromatography, High Pressure Liquid; Drugs, Chinese Herbal; Ephedrine; Medicine, Kampo; Phenylpropanolamine; Reference Standards; Solutions; Solvents | 1999 |
Metabolites of ephedrines in human urine after administration of a single therapeutic dose.
Topics: Adrenergic Agonists; Chromatography, Gas; Ephedrine; Female; Forensic Medicine; Humans; Linear Models; Male; Phenylpropanolamine | 2006 |
Simultaneous quantification of six ephedrines in a Mahwang preparation and in urine by high-performance liquid chromatography.
Topics: Chromatography, High Pressure Liquid; Doping in Sports; Drugs, Chinese Herbal; Ephedrine; Humans; Phenylpropanolamine; Propanolamines; Reproducibility of Results | 2005 |
Application of dimethyl-beta-cyclodextrin as a chiral selector in capillary electrophoresis for enantiomer separation of ephedrine and related compounds in some drugs.
Topics: beta-Cyclodextrins; Buffers; Electrophoresis, Capillary; Ephedrine; Hydrogen-Ion Concentration; Pharmaceutical Preparations; Phenylpropanolamine; Stereoisomerism; Temperature | 2005 |
Rational method development strategies on a fluorinated liquid chromatography stationary phase: mobile phase ion concentration and temperature effects on the separation of ephedrine alkaloids.
Topics: Alkaloids; Amitriptyline; Berberine; Chromatography, High Pressure Liquid; Ephedrine; Fluorocarbons; Ion Exchange; Phenylpropanolamine; Synephrine; Temperature | 2005 |
Pharmacological effects of ephedrine alkaloids on human alpha(1)- and alpha(2)-adrenergic receptor subtypes.
Topics: Adrenergic alpha-Agonists; Adrenergic alpha-Antagonists; Animals; CHO Cells; Cricetinae; Cricetulus; Ephedrine; Humans; Phenylpropanolamine; Receptors, Adrenergic, alpha-1; Receptors, Adrenergic, alpha-2; Structure-Activity Relationship | 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 |
The relevance of the urinary concentration of ephedrines in anti-doping analysis: determination of pseudoephedrine, cathine, and ephedrine after administration of over-the-counter medicaments.
Topics: Adult; Doping in Sports; Ephedrine; Female; Humans; Male; Nonprescription Drugs; Phenylpropanolamine; Pseudoephedrine; Substance Abuse Detection | 2009 |
Comparison of contents of five ephedrine alkaloids in three official origins of Ephedra Herb in China by high-performance liquid chromatography.
Topics: Alkaloids; China; Chromatography, High Pressure Liquid; Ephedra; Ephedrine; Phenylpropanolamine | 2011 |
Quantitative analysis of mephedrone using liquid chromatography tandem mass spectroscopy: application to human hair.
Topics: Adolescent; Adult; Chromatography, Liquid; Ephedrine; Female; Hair; Humans; Male; Methamphetamine; Middle Aged; Phenylpropanolamine; Reproducibility of Results; Tandem Mass Spectrometry; Young Adult | 2012 |
Variability of Stimulant Levels in Nine Sports Supplements Over a 9-Month Period.
Topics: Caffeine; Central Nervous System Stimulants; Dietary Supplements; Dose-Response Relationship, Drug; Ephedrine; Food Labeling; Humans; Octopamine; Phenylpropanolamine; Pilot Projects; Pseudoephedrine; Sports; Strychnine; Synephrine; Time Factors; United States | 2016 |
Direct and rapid quantitation of ephedrines in human urine by paper spray ionization/high resolution mass spectrometry.
Topics: Central Nervous System Stimulants; Ephedrine; Humans; Limit of Detection; Mass Spectrometry; Paper; Phenylpropanolamine; Pseudoephedrine; Reproducibility of Results; Substance Abuse Detection | 2016 |
Ephedra alkaloid contents of Chinese herbal formulae sold in Taiwan.
Topics: Alkaloids; Chromatography, High Pressure Liquid; Doping in Sports; Drugs, Chinese Herbal; Ephedra; Ephedrine; Phenylpropanolamine; Pseudoephedrine; Taiwan | 2018 |
A Rapid and Feasible
Topics: Alkaloids; Ephedra; Ephedrine; Feasibility Studies; Humans; Limit of Detection; Magnetic Resonance Spectroscopy; Medicine, Chinese Traditional; Phenylpropanolamine; Plant Preparations; Pseudoephedrine; Species Specificity | 2021 |