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Determination of stimulants in human urine and hair samples by polypyrrole coated capillary in-tube solid phase microextraction coupled with liquid chromatography-electrospray mass spectrometry

✍ Scribed by Jingcun Wu; Heather Lord; Janusz Pawliszyn


Book ID
117222566
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
518 KB
Volume
54
Category
Article
ISSN
0039-9140

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Determination of dopamine and serotonin
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## Abstract A specific LC‐MS‐MS method for the determination of dopamine and serotonin (5‐hydroxytryptamine; 5HT) in human urine is described. The analytes were extracted from urine and preconcentrated by microextraction in a packed syringe (MEPS). The new method is very promising, very easy to use