Zobrazeno 1 - 10
of 1 016
pro vyhledávání: '"Linear ion trap"'
Publikováno v:
Shipin gongye ke-ji, Vol 45, Iss 17, Pp 302-315 (2024)
This article established a rapid detection method for 34 pesticides in vegetables by combining QuEChERS purification method with high-performance liquid chromatography triple quadrupole linear ion trap tandem mass spectrometry. The samples were extra
Externí odkaz:
https://doaj.org/article/461c9b1e70ad4ae781abd21ee358dbc7
Autor:
Liang-ze LIU, Jie XIE, Zi-yu QU, Ke-ke YI, Di ZHANG, Ze-jian HUANG, Dan YAN, Xin-hua DAI, Xiang FANG, Zheng-yuan SHI, You JIANG, Xiao-ping YU
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 3, Pp 364-374 (2024)
Methotrexate (MTX) is a therapeutic drug that is widely used in clinic for treatment of a variety of cancers. However, MTX has limited selectivity and serious cytotoxicity, at the same time, there are problems such as narrow therapeutic window and la
Externí odkaz:
https://doaj.org/article/dbf60186d2014a029825e5c5c6421fab
Publikováno v:
Zhongguo shipin weisheng zazhi, Vol 36, Iss 3, Pp 278-283 (2024)
ObjectiveA method was developed to simultaneously determine chlorate and perchlorate in vegetables and fruits using ultra-performance liquid chromatography-triple quadrupole/linear ion trap mass spectrometry （UPLC-Qtrap MS）.MethodsThe chlorate an
Externí odkaz:
https://doaj.org/article/db870a632c654f3998eff6c4649ba1a7
Publikováno v:
Zhipu Xuebao, Vol 45, Iss 2, Pp 269-280 (2024)
A method of ultra-fast liquid chromatography-triple quadrupole/linear ion trap tandem mass spectrometry (UFLC-QTrap-MS/MS) was established for simultaneous determination of 11 nucleosides and 14 amino acids in Lindera aggregata (Sims) Kosterm., which
Externí odkaz:
https://doaj.org/article/6916a4a2fd5b41ed92da8f763a84584a
Akademický článek
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Publikováno v:
Zhipu Xuebao, Vol 44, Iss 5, Pp 602-613 (2023)
The demand for accurate mass spectrometry measurement in the field of clinical diagnosis is increasing. In the face of foreign monopoly, our team has developed new technologies and new methods for the selective enrichment of trace targets in complex
Externí odkaz:
https://doaj.org/article/53f2b17bf2ad4f05b6f05466379f6a85
Publikováno v:
Zhipu Xuebao, Vol 44, Iss 5, Pp 581-601 (2023)
Direct analysis in real-time (DART) ionization source coupled with mass spectrometer can directly and rapidly analyze raw samples in their native environment with high specificity and minimal or no sample preparation. In this study, DART combined wit
Externí odkaz:
https://doaj.org/article/c98dca97ea8d42e68c0b9b55fee8dbcd
Publikováno v:
Zhipu Xuebao, Vol 43, Iss 3, Pp 287-299 (2023)
Erigeron breviscapus injection is widely used in clinical treatment of ischemic stroke and coronary heart disease. More than 80 chemical components have been identified from Erigeron breviscapus herb. However, chemical components of Erigeron brevisca
Externí odkaz:
https://doaj.org/article/1ed7e6ffde0b4e6bb5182090154acfc7
Autor:
XIE Jie, YI Ke-ke, GAO Wen-jing, LIU Hao, LI Jia-lian, HUANG Ze-jian, LIU Mei-ying, YU Qing-ni, WANG Han-wen, JIANG You, DAI Xin-hua, FANG Xiang
Publikováno v:
Zhipu Xuebao, Vol 44, Iss 1, Pp 13-24 (2023)
Vitamin D deficiency and insufficiency is a global health issue that afflicts people of different age groups all over the world. As a reliable indicator for the evaluation of vitamin D, 25OHD is usually determined by LC-MS/MS. The tandem mass spectro
Externí odkaz:
https://doaj.org/article/73c468f59a2f47bf91e4940019d6b9e5
Publikováno v:
Shipin yu jixie, Vol 38, Iss 11, Pp 68-75 (2022)
Objective: This study aimed to establish a rapid screening and confirmation method for the 45 kinds of antibiotics, including quinolones, sulfonamides, nitroimidazoles and macrolides in aquatic vegetable, by ultra-high performance liquid chromatograp
Externí odkaz:
https://doaj.org/article/1337c33798474abaa080e4b4c0f946e3