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Analysis of Steroids using Solid Phase Microextraction-Gas Chromatography-Mass Spectrometry-Mass Spectrometry (SPME-GC-MS-MS)
(2014)
Direct immersion SPME-GC-MS-MS was used for the analysis of steroids in water at part-per-trillion(ppt) and lower concentrations. The method was validated and extended to real sample analysis. The method were linear from ...
Analyses by GC-MS and GC-MS-MS of the hantzsch synthesis products using hydroxy- and methoxy-aromatic aldehydes
(PERGAMON-ELSEVIER SCIENCE, 2007-05-09)
El mass spectra of products of the dihydropyridine Hantzsch synthesis using hydroxy and methoxy aldehydes as starting materials are reported. The reaction products (C-4 hydroxy- and methoxyphenyl-1,4-dihydropyridines and ...
Avaliação da técnica de extração de SPE e GC-(EI)-MS/MS na análise de agrotóxicos em água de lavoura de arroz irrigado
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2012-02-14)
It is known that heavy use of pesticides, especially herbicides and
insecticides, associated with the improper management of irrigation water
can result in pesticide runoff out the crops to the waters streams, rivers ...
A review of analytical methods for the determination of tibolone: Phar-macokinetics and pharmaceutical formulations analysis and application in doping control
(2021-01-01)
Background: Tibolone is a synthetic steroid commercialized by Organon under the brand name Livial (Org OD14), which is used in hormone therapy for menopause management and treatment of postmenopausal osteoporosis. Tibolone ...
Resíduos de agrotóxicos em água potável usando SPE e determinação rápida por LC-MS/MS e GC-MS/MS
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2012-08-31)
The use of pesticides always has been associated with the effective control of pests
or invasive weeds to ensure an increase in the food production. However, the indiscriminate
use of these substances has caused the ...
Quantitative analysis of phytosterols in Aristotelia chilensis (Maqui) leaves using GC/MS
(Universiti Putra Malaysia, 2016)
© 2008 IFRJ.The prevalence of metabolic syndrome, hypertension, heart disease and diabetes has been increasing rapidly in Chile in recent years. The rate of increase has paralleled the replacement of traditional Mediterranean ...