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Effect of venipuncture on the concentration of acetylcholine and choline in human plasma as assayed by high-performance liquid chromatography

โœ Scribed by Yoshiaki Fujiki; Shinji Okuyama; Keiko Tomoda; Kimie Ohshiro; Tetsuhiko Itoh; Tadamitsu Yamauchi


Book ID
119097090
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
72 KB
Volume
31
Category
Article
ISSN
0165-1838

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A high-performance liquid chromatographic assay for the determination of endogenous plasma and urine concentrations of N1-methylnicotinamide was developed. N1-Methylnicotinamide and N1-ethylnicotinamide (internal standard) are reacted with acetophenone in a strong base at 0 degree C, formic acid is