Results 271 to 280 of about 2,976,642 (307)

Magnetic covalent-organic frameworks for the simultaneous extraction of eleven emerging aromatic disinfection byproducts in water samples coupled with UHPLC-MS/MS determination.

Journal of Hazardous Materials, 2021
A simple method based on magnetic solid-phase extraction (MSPE) was developed for the simultaneous extraction of eleven emerging aromatic disinfection byproducts (DBPs) in water samples coupled with ultrahigh-performance liquid chromatography-tandem mass
Shuang Li, Ji-Ping Ma, Ge-Ge Wu, Jin-Hua Li, Xiao-Yan Wang, Ling-Xin Chen   +5 more
semanticscholar   +1 more source

Phenolics in Citrus aurantium fruit identified by UHPLC-MS/MS and their bioactivities

LWT, 2021
Sour orange (Citrus aurantium) is a popular fruit with health benefits. Phenolics are the dominant bioactive compounds in this fruit. However, the full phenolics composition remains unclear.
Ling-Rong Wen, Mingyang He, Chunxiao Yin, Yueming Jiang, Donghui Luo, Bao Yang   +5 more
semanticscholar   +1 more source

A novel and comprehensive strategy for quality control in complex Chinese medicine formula using UHPLC-Q-Orbitrap HRMS and UHPLC-MS/MS combined with network pharmacology analysis: Take Tangshen formula as an example.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 2021
The quality control of Chinese herbal medicines (CHM) is a key concern on the modernization and globalization. However, it is still a difficult task due to its multi-component, multi-target, multi-pathways.
Xiujuan Wang, Weie Zhou, Qian Wang, Yuan Zhang, Yun-Biao Ling, Tingting Zhao, Haojun Zhang, Ping Li   +7 more
semanticscholar   +1 more source

Accurate Quantification of Ten Methylated Purine Nucleosides by Highly Sensitive and Stable Isotope-Diluted UHPLC-MS/MS.

Analytical Chemistry
The dynamic landscape of cellular nucleotides/nucleosides associated with RNA metabolism, particularly in diseases like cancer, has spurred intensive interest.
Lyuye Zhang, Wei-Bing Zhang, Hai-Lin Wang   +2 more
semanticscholar   +1 more source

UHPLC-MS/MS analysis of cannabidiol metabolites in serum and urine samples. Application to an individual treated with medical cannabis.

Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2021
No analytical assay is currently available for the simultaneous determination of CBD major metabolites in serum or urine samples of individuals treated with medical cannabis or CBD-based pharmaceuticals.
S. Pichini, S. Malaca, M. Gottardi, A. P. Pérez-Acevedo, E. Papaseit, C. Pérez-Mañá, M. Farré, R. Pacifici, A. Tagliabracci, G. Mannocchi, F. Busardò   +10 more
semanticscholar   +1 more source

A coupled method of on-line solid phase extraction with the UHPLC‒MS/MS for detection of sulfonamides antibiotics residues in aquaculture.

Chemosphere, 2020
The use of a variety of antibiotics in fish farming raises serious concern about the development of antibiotic resistance. Sulfonamides antibiotics (SAs), which are widely used in aquaculture and generate large eco‒toxicological effects with significant ...
Tao Li, Ce Wang, Zhaoan Xu, A. Chakraborty   +3 more
semanticscholar   +1 more source

Metabolic profiling and pharmacokinetic studies of sinapine thiocyanate by UHPLC-Q/TOF-MS and UHPLC-MS/MS.

Journal of Pharmaceutical and Biomedical Analysis, 2021
Sinapine thiocyanate (ST) is an index component and pharmacological active component of Semen Sinapis and Semen Raphani, and it is widely used to relieving cough and asthma. This study aimed to obtain the metabolic and pharmacokinetic characterization of
Hui-Da Guan, Qiyan Lin, Chao Ma, Zhengcai Ju, Chang-Hong Wang   +4 more
semanticscholar   +1 more source

Rapid qualitative profiling and quantitative analysis of phenolics in Ribes meyeri leaves and their antioxidant and antidiabetic activities by HPLC-QTOF-MS/MS and UHPLC-MS/MS.

Journal of Separation Science, 2021
Ribes meyeri leaves are utilised as traditional Kazakh medicine in China. However, no study on the characterization of the phenolic compounds in R.
Yayun Zhao, Honglin Lu, Qiang Wang, Hai-Liang Liu, Hai-Tao Shen, Wenbin Xu, Juan Ge, Dajun He   +7 more
semanticscholar   +1 more source

Graphene oxide-Fe3O4 nanocomposite magnetic solid phase extraction followed by UHPLC-MS/MS for highly sensitive determination of eight psychoactive drugs in urine samples.

Talanta: The International Journal of Pure and Applied Analytical Chemistry, 2020
Graphene oxide-Fe3O4 (GO-Fe3O4) nanocomposite was synthesized by a facile chemical co-precipitation method. The GO-Fe3O4 was used as magnetic sorbent to extract the eight psychoactive drugs from urine samples.
Qing Lu, Hao Guo, Yuanyuan Zhang, Xiao-Dong Tang, W. Lei, Rui-Juan Qi, Jun-Hao Chu, Dezeng Li, Qing-Biao Zhao   +8 more
semanticscholar   +1 more source

Development and comparison of single-step solid phase extraction and QuEChERS clean-up for the analysis of 7 mycotoxins in fruits and vegetables during storage by UHPLC-MS/MS.

Food Chemistry, 2019
A robust and sensitive UHPLC-MS/MS method was developed for the analysis of seven mycotoxins in fruits and vegetables. The variations of seven mycotoxins concentrations during storage were also determined for the first time.
Hao Dong, Yan-Ping Xian, Kai-Jun Xiao, Yu-Luan Wu, Liang Zhu, Jiapeng He   +5 more
semanticscholar   +1 more source