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An ultra-high performance liquid chromatographic-tandem mass spectrometric method for the determination of sinomenine in human plasma after transdermal delivery of the zhengqing fengtongning injection.


ABSTRACT: A sensitive, precise and selective ultra-high performance liquid chromatography method coupled with triple-quadrupole mass spectrometry was developed and validated for the determination of trace amounts of sinomenine (ng/mL) in minute volumes of human plasma. Fifty microliter plasma samples were precipitated using methanol to extract sinomenine. Separation was carried out on a C18 column with a water and acetonitrile mobile phase gradient with formic acid as an additive. The mass spectrometry data were obtained in the positive ion mode, and the transition of multiple reactions was monitored at m/z 330.2?181.0 for sinomenine quantification. The working assay range for sinomenine was linear from 0.1173 to 15.02 ng/mL with the lower limit of quantification of 0.1173 ng/mL. The precision and accuracy of the method was less than 15% in intra-day and inter-day experiments with a matrix effect of less than 6.5%. After validation, the quantitative method was applied to analyze sinomenine levels in human plasma after transdermal delivery of the Zhengqing Fengtongning Injection. The results showed that some samples contained sinomenine within the concentration range 0.4131-4.407 ng/mL.

SUBMITTER: Chen T 

PROVIDER: S-EPMC6272659 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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An ultra-high performance liquid chromatographic-tandem mass spectrometric method for the determination of sinomenine in human plasma after transdermal delivery of the zhengqing fengtongning injection.

Chen Tingbo T   Xiang Zheng Z   Dong Gengting G   Luo Pei P   Qiu Ping P   Wang Shenzhi S   Huang Baoming B   Wen Yingyi Y   Wu Feichi F   Liu Liang L   Zhou Hua H  

Molecules (Basel, Switzerland) 20150410 4


A sensitive, precise and selective ultra-high performance liquid chromatography method coupled with triple-quadrupole mass spectrometry was developed and validated for the determination of trace amounts of sinomenine (ng/mL) in minute volumes of human plasma. Fifty microliter plasma samples were precipitated using methanol to extract sinomenine. Separation was carried out on a C18 column with a water and acetonitrile mobile phase gradient with formic acid as an additive. The mass spectrometry da  ...[more]

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