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Pharmacokinetics of nicotine in blood and brain using microdialysis and stable labelled isotope / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 104-108, 2012.
Article in Chinese | WPRIM | ID: wpr-356112
ABSTRACT
<p><b>OBJECTIVE</b>Using the stable isotopes as the internal standard of microdialysis technology to establish a new method to study the whole and local brain dynamics of nicotine percutaneous preparations.</p><p><b>METHOD</b>Using th healthy rats as experimental animals, administrating nicotine in abdominal transdermal way, then sample in the blood and brain simultaneously by microdialysis which use deuterium nicotine (DL-nicotine) as internal standard. Detecting the samples by LC-MS/MS method.</p><p><b>RESULT</b>The configuration process in blood and brain both conforms to 2 compartments model, t1/2 is 29.38 min, t1/2beta is 208.51 min, AUC(0-infinity) is 152 127.10 microg x min x L(-1) in the blood t1/2 is 86.64 min, t1/2beta is 386.00 min, AUC(0-infinity) is 152 820.90 microg x min x L(-1) in the brain.</p><p><b>CONCLUSION</b>Dl-nicotine can be used as internal standard of nicotine to correcte the recovery; Stable isotopes internal standard microdialysis technology can be used for studing the whole and the local pharmacokinetic of nicotine and also provide new ideas and methods to studing the process of new drug delivery system.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Blood / Brain / Brain Chemistry / Pharmacokinetics / Chemistry / Rats, Sprague-Dawley / Microdialysis / Deuterium / Isotope Labeling / Metabolism Limits: Animals Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2012 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Blood / Brain / Brain Chemistry / Pharmacokinetics / Chemistry / Rats, Sprague-Dawley / Microdialysis / Deuterium / Isotope Labeling / Metabolism Limits: Animals Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2012 Type: Article