support provided by the National Natural Science Foundation of China(Grant No.:82173776);Natural Science Foundation of Guangdong Province,China(Grant No.:2021A1515010574);Guangdong Basic and Applied Basic Research Foundation,China(Grant No.:2021A1515110346).
Liquid chromatography-electrospray ionization tandem mass spectrometry(LC-ESI-MS)is a widely utilized technique for in vivo pharmaceutical analysis.Ionization interference within electrospray ion source,occurring betw...
supported by the CACMS Innovation Fund,China(Grant Nos.:CI2021A04504 and CI2021A05206);the National Natural Science Foundation of China(Grant Nos.:82104380,81891010,81891013,and 82074012);the Fundamental Research Funds for the Central Public Welfare Research Institutes,China(Grant Nos.:ZZ14-YQ-047 and ZZXT202105);the Key Project at Central Government Level(Grant No.:2060302-2201-26);the Beijing Nova Program.
The rapid and accurate authentication of traditional Chinese medicines(TCMs)has always been a key scientific and technical problem in the field of pharmaceutical analysis.Herein,a novel heating online extraction elect...
Electrospray ionization(ESI) and atmospheric pressure chemical ionization(APCI) techniques for liquid chromatography–tandem mass spectrometry(LC–MS/MS) determination of levonorgestrel were evaluated.In consideration...
supported by funding from the National Institute ofAlcohol Abuse and Alcoholism AA016959(KN),AA016499(KN)and AA019853(DJL)and the Kentucky Science andTechnology Corporation(KSTC-184-512-07-029;ALS)
Reported concentrations for endocannabinoids and related lipids in biological tissues can vary greatly; therefore, methods used to quantify these compounds need to be validated. This report describes a method to quant...
A sensitive, accurate and selective liquid chromatography-tandem mass spectrometry method (LC-MS/MS) was developed and validated for the simultaneous quantitation of atorvastatin (AT) and its equipotent hydroxyl m...
supported by program NCET Foundation,NSFC(30725045);the Special Program for New Drug Innovation of the Ministry of Science and Technology,China(2009ZX09311-001,2008ZX09101-Z-029);Shanghai Leading Academic Discipline Project(B906);by the Scientific Foundation of Shanghai,China(07DZ19728,09DZ1975700,09DZ1971500)
A novel and sensitive HPLC-UV method has been developed for the simultaneous determination of twelve major compounds in Longdan Xiegan Pill.The chemical profile of the twelve compounds,including geniposidic acid(1),...