Gas chromatographic-mass spectrometric method for determination of anabasine, anatabine and other tobacco alkaloids in urine of smokers and smokeless tobacco users. Read more about Gas chromatographic-mass spectrometric method for determination of anabasine, anatabine and other tobacco alkaloids in urine of smokers and smokeless tobacco users.
Purification of glycogen phosphorylase isozymes by metal-affinity chromatography. Read more about Purification of glycogen phosphorylase isozymes by metal-affinity chromatography.
Determination of the nicotine metabolite trans-3'-hydroxycotinine in urine of smokers using gas chromatography with nitrogen-selective detection or selected ion monitoring. Read more about Determination of the nicotine metabolite trans-3'-hydroxycotinine in urine of smokers using gas chromatography with nitrogen-selective detection or selected ion monitoring.
Determination of nornicotine in smokers' urine by gas chromatography following reductive alkylation to N'-propylnornicotine. Read more about Determination of nornicotine in smokers' urine by gas chromatography following reductive alkylation to N'-propylnornicotine.
Preparative purification of functional bacteriorhodopsin by high-performance size-exclusion chromatography. Read more about Preparative purification of functional bacteriorhodopsin by high-performance size-exclusion chromatography.
Sulfonium salts as derivatizing agents. 2. Determination of theophylline in plasma by automated gas chromatography. Read more about Sulfonium salts as derivatizing agents. 2. Determination of theophylline in plasma by automated gas chromatography.
High-performance liquid chromatographic determination of the enantiomers of beta-adrenoceptor blocking agents in biological fluids. II. Studies with atenolol. Read more about High-performance liquid chromatographic determination of the enantiomers of beta-adrenoceptor blocking agents in biological fluids. II. Studies with atenolol.
Identification and quantitative analysis of cotinine-N-oxide in human urine. Read more about Identification and quantitative analysis of cotinine-N-oxide in human urine.
Determination of benzoylecgonine and cocaine in biologic fluids by automated gas chromatography. Read more about Determination of benzoylecgonine and cocaine in biologic fluids by automated gas chromatography.
Separation of isotopically labeled vitamin D metabolites by high-performance liquid chromatography. Read more about Separation of isotopically labeled vitamin D metabolites by high-performance liquid chromatography.
