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N-methylephedrine

Known as: Methylephedrine 
 
National Institutes of Health

Related topics

Related topics

8 relations

Broader (1)

Ephedrine
Methylephedrine cutoff:MCnc:Pt:Urine:Qn:ConfirmMethylephedrine cutoff:MCnc:Pt:Urine:Qn:ScreenMethylephedrine:MCnc:Pt:Urine:Qn:ConfirmMethylephedrine:PrThr:Pt:Urine:Ord:Confirm
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Narrower (2)

Methylephedrine hydrochloridemethylpseudoephedrine

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2012
2012
Comparison of reversed-phase and hydrophilic interaction liquid chromatography for the separation of ephedrines.
The separation of highly basic solutes is an ongoing challenge, especially in achieving suitable retention and peak shapes for… Expand
Highly Cited
2011
Highly Cited
2011
Determination of cathinones and related ephedrines in forensic whole-blood samples by liquid-chromatography-electrospray tandem mass spectrometry.
  • L. K. Sørensen
  • Journal of chromatography. B, Analytical…
  • 2011
    • Corpus ID: 28957061
A liquid-chromatography-tandem-mass-spectrometry method using pneumatically assisted electrospray ionisation (LC-ESI-MS/MS) was… Expand
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Highly Cited
2007
Highly Cited
2007
Detection and validated quantification of nine herbal phenalkylamines and methcathinone in human blood plasma by LC-MS/MS with electrospray ionization.
The herbal stimulants Ephedra species, Catha edulis (khat), and Lophophora williamsii (peyote) have been abused for a long time… Expand
Highly Cited
2004
Highly Cited
2004
Concentrations of ephedra alkaloids and caffeine in commercial dietary supplements.
Dietary supplements that contain Ma Huang (ephedra alkaloids) and guarana (caffeine) are widely marketed and used in the U.S. for… Expand
Highly Cited
2003
Highly Cited
2003
Effect of 1-alkyl-3-methylimidazolium-based ionic liquids as the eluent on the separation of ephedrines by liquid chromatography.
The chromatographic behavior of ephedrines (norephedrine, ephedrine, pseudoephedrine and methylephedrine) on a C18 column was… Expand
Highly Cited
2003
Highly Cited
2003
Separation and quantitation of the stereoisomers of ephedra alkaloids in natural health products using flow injection-electrospray ionization-high field asymmetric waveform ion mobility spectrometry…
A method is described for the determination of ephedrine (E) and pseudoephedrine (PE) and their metabolites norephedrine (NE… Expand
Highly Cited
2001
Highly Cited
2001
Study on the chiral recognition of the enantiomers of ephedrine derivatives with neutral and sulfated heptakis(2,3-O-diacetyl)-beta-cyclodextrins using capillary electrophoresis, UV, nuclear magnetic…
The enantiomers of methylephedrine, pseudoephedrine and ephedrine showed a different migration behavior in capillary… Expand
Highly Cited
2001
Highly Cited
2001
Simultaneous quantitation of ephedrines in urine by gas chromatography-nitrogen-phosphorus detection for doping control purposes.
A gas chromatographic method for the simultaneous quantitation of ephedrine, pseudoephedrine, norephedrine (phenylpropanolamine… Expand
Highly Cited
1997
Highly Cited
1997
Pharmacokinetics and Cardiovascular Effects of Ma‐Huang (Ephedra sinica) in Normotensive Adults
The purpose of this study was to evaluate heart rate and blood pressure responses to a commercially available source of ma‐haung… Expand
Highly Cited
1994
Highly Cited
1994
Neutral and anionic cyclodextrins in capillary zone electrophoresis: Enantiomeric separation of ephedrine and related compounds
Two methods for the enantiomeric separation of chiral ephedrine alkaloids (ephedrine, methylephedrine, methylpseudoephedrine and… Expand
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