HPLC–DAD Method for Simultaneous Determination of Dipyrone (Metamizole) and Caffeine in Tablets and Identification of Major Degradation Product by Direct Infusion ESI–MS

2017 ◽  
Vol 80 (3) ◽  
pp. 489-495 ◽  
Author(s):  
James Cabral Vieira ◽  
Rubia Adriele Sversut ◽  
Isadora Theodoro Maciel ◽  
Aline Regina Hellmann Carollo ◽  
Marcos Serrou do Amaral ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
Degradation Product ◽  
Direct Infusion ◽  
Esi Ms ◽  
Major Degradation Product

scholarly journals Simultaneous Determination of Sulphur metabolites in Arabidopsis thaliana via LC-ESI-MS/MS and 34S-metabolic Labelling

2011 ◽  
Vol 23 (4) ◽  
pp. 324-331 ◽  
Author(s):  
Chin-Lin Hsieh ◽  
Kai-Wun Yeh ◽  
Luit J. De Kok ◽  
Ryh-Nan Pan ◽  
Yueh-Hsiung Kuo ◽  
...  
Keyword(s):  
Arabidopsis Thaliana ◽  
Simultaneous Determination ◽  
Esi Ms ◽  
Metabolic Labelling

Simultaneous Determination of Six Antiretroviral Drugs in Human Hair Using an LC-ESI+-MS/MS Method

2021 ◽  
Vol Publish Ahead of Print ◽  
Author(s):  
Yan Wu ◽  
Liuxi Chu ◽  
Haoran Yang ◽  
Wei Wang ◽  
Quan Zhang ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
Human Hair ◽  
Antiretroviral Drugs ◽  
Esi Ms

scholarly journals Rapid LC--ESI-MS--MS Method for the Simultaneous Determination of Clopidogrel and its Carboxylic Acid Metabolite in Human Plasma

2008 ◽  
Vol 46 (10) ◽  
pp. 867-875 ◽  
Author(s):  
N. K. Patel ◽  
G. Subbaiah ◽  
H. Shah ◽  
M. Mohan ◽  
P. S. Shrivastav
Keyword(s):  
Carboxylic Acid ◽  
Simultaneous Determination ◽  
Human Plasma ◽  
Acid Metabolite ◽  
Esi Ms

Simultaneous Determination of Sulfur Metabolites in Plant Tissue by LC-ESI-MS/MS

2012 ◽  
pp. 115-119
Author(s):  
Mei-Hwei Tseng ◽  
Luit J. De Kok ◽  
Yao-Moan Huang
Keyword(s):  
Simultaneous Determination ◽  
Plant Tissue ◽  
Esi Ms

Glyphosate Residues in Soil and Air: An Integrated Review

2020 ◽  
Author(s):  
Evagelia Tzanetou ◽  
Helen Karasali
Keyword(s):  
Degradation Product ◽  
Critical Review ◽  
Safety Evaluation ◽  
Environmental Safety ◽  
Soil Ecosystem ◽  
Aminomethylphosphonic Acid ◽  
The Relationship ◽  
Surface And Groundwater ◽  
Major Degradation Product

Glyphosate [N-(phosphonomethyl) glycine] (GPS) is currently the most commonly applied herbicide worldwide. Given the widespread use of glyphosate, the investigation of the relationship between glyphosate and soil ecosystem is critical and has great significance for its valid application and environmental safety evaluation. However, although the occurrence of glyphosate residues in surface and groundwater is rather well documented, only few information are available for soils and even fewer for air. Due to this, the importance of developing methods that are effective and fast to determine and quantify glyphosate and its major degradation product, aminomethylphosphonic acid (AMPA), is emphasized. Based on its structure, the determination of this pesticide using a simple analytical method remains a challenge, a fact known as the “glyphosate paradox.” In this chapter a critical review of the existing literature and data comparison studies regarding the occurrence and the development of analytical methods for the determination of pesticide glyphosate in soil and air is performed.

Simultaneous determination of esculin and its metabolite esculetin in rat plasma by LC–ESI-MS/MS and its application in pharmacokinetic study

2012 ◽  
Vol 907 ◽  
pp. 27-33 ◽  
Author(s):  
Ying-yi Li ◽  
Ye-ying Song ◽  
Chang-hui Liu ◽  
Xiao-tao Huang ◽  
Xia Zheng ◽  
...  
Keyword(s):  
Simultaneous Determination ◽  
Pharmacokinetic Study ◽  
Rat Plasma ◽  
Esi Ms
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