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Chromatography, High Pressure Liquid

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[Comparison of chemical composition between fresh and processed Bufonis Venenum by UPLC-TQ-MS].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
Toad venom is the Bufo bufo gargarizans or B. melanostictus after the ears of the gland secretion, used in the treatment of various cancers in recent years. Research shows that the main anti-tumor components in bufadienolide. Bufadienolide have free ...

Development and validation of a stability-indicating reverse phase ultra performance liquid chromatographic method for the estimation of nebivolol impurities in active pharmaceutical ingredients and pharmaceutical formulation.

Se pu = Chinese journal of chromatography
A sensitive, stability-indicating gradient reverse phase ultra performance liquid chromatographic method has been developed for the quantitative estimation of nebivolol impurities in active pharmaceutical ingredient (API) and pharmaceutical formulati...

[Identification of ustiloxins in false smut balls of rice based on high performance liquid chromatography-high resolution mass spectrometry].

Se pu = Chinese journal of chromatography
A sensitive method was developed for the simultaneous identification of five ustiloxins in the false smut balls of rice by high performance liquid chromatography-linear ion trap/orbitrap high resolution mass spectrometry (HPLC-LTQ/Orbitrap MS). The s...

[Simultaneous determination of 16 flavonoids in the ginkgo dietary supplement tea by high performance liquid chromatography-tandem mass spectrometry].

Se pu = Chinese journal of chromatography
A method for the determination of 16 functional components of ginkgo dietary supplement tea such as catechin, vitexin, puerarin, isoflavoues aglycone, silymarin, quercetin, luteolin, apigenin, naringenin, hesperitin dihydrochalcone, kaempferol, hespe...

[Simultaneous determination of sivelestat and its metabolite XW-IMP-A in human plasma using HPLC-MS/MS].

Yao xue xue bao = Acta pharmaceutica Sinica
A simple and rapid method was developed based on high performance liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) to determine sivelestat and its metabolite XW-IMP-A in human plasma. After a simple protein precipitation, the samp...

[Simultaneous Determination of Seven Chemical Markers and Preliminary Identification of Chemical Constituents in Daodi Psoraleae Fructus-Myristicae Semen Chinese Drug Pair].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
OBJECTIVE: To study the simultaneous determination method of daodi Psoraleae Fructus-Myristicae Semen Chinese drug pair for the seven ingredients, and Psoraleae Fructus-Myristicae Semen Chinese drug pair on the chemical composition of initial ownersh...

[Chromatographic Fingerprinting Study of Zhenyuan Granules Dry Extract by HPLC-DAD and HPLC-MS/MS].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
OBJECTIVE: To establish a novel, accurate and valid fingerprint method of Zhenyuan granules dry extract by using HPLC-DAD method, to study herbs belonging of fingerprint peaks and to identify some of the chromatographic peaks by HPLC-MS/MS analysis, ...

[Study on UPLC Fingerprint of Corydalis bungeana].

Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials
OBJECTIVE: To establish an Ultra Performance Liquid Chromatography fingerprint of Corydalis bungeana from different habitats.

[Study on content determination of alkaloids and HPLC fingerprint of "Jianlian" Nelumbinis Plumula].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
This study is to determine the content of three alkaloids and establish the HPLC fingerprint of "Jianlian" Nelumbinis Plumula. The HPLC method of content determination was as follows: Thermo C18 (4. 6 mm x 250 mm, 5 μm) was conducted with acetonitril...

[Study on limit detection of flavones in diterpene ginkgolides meglumine injection materials by LC-MS and HPLC-DAD].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
Limit test of flavones in diterpene ginkgolides meglumine injection materials by UV-Vis and HPLC-DAD method was studied in this essay. The HPLC-DAD method has lower LOD (about 1% of the UV-Vis), that is, the sensitivity is higher than UV-Vis method. ...