نتایج جستجو برای: hyphenated methods

تعداد نتایج: 1874774  

2016
Rajesh Kumari

The world is witnessing an unprecedented growth in the usage of herbal products. India is a mother hub for natural herbs based science. Herbal drug technology is used for converting botanical materials into medicines, where standardization and quality control with proper integration of modern scientific techniques and traditional knowledge is important. For global harmonization WHO specific gui...

Journal: :Magnetic resonance in chemistry : MRC 2009
Huiru Tang Chaoni Xiao Yulan Wang

Metabolite identification is a key step for metabonomics study. A fully automated hyphenation of HPLC-diode-array detector (DAD) mass spectrometry (MS) solid phase extraction (SPE)-NMR spectroscopy (HPLC-DAD-MS-SPE-NMR) is one of the most efficient methods to determine the structure of a given unknown metabolite in a complex mixture (metabonome) and hence represents one of the most important an...

2013
Carolina Simó Virginia García-Cañas Alejandro Cifuentes

This review article addresses the developments and applications of capillary electromigration methods coupled on-line with mass spectrometry for chiral analysis. The multiple enantiomeric applications of this hyphenated technology are covered including chiral analysis of drugs, food compounds, pesticides, natural metabolites, etc., in different matrices such as plasma, urine, medicines, foods, ...

Journal: :American Journal of Psychotherapy 2000

2014
Laura Aldave Miguel Sandow Grzegorz Olszewski Daniel Serrano-Purroy Stefaan van Winckel Jean-Paul Glatz

An overview is given of the current state of the art for the determination of radionuclide traces in the environment and the separation of fission products and actinides in nuclear samples by techniques like flow-injection (FI)/sequential injection analysis (SIA) and chromatography hyphenated to inductively coupled plasma mass spectrometry (ICP-MS).

Journal: :Bulletin of the Moskow State Regional University 2015

2003
Brice Bouyssiere Ryszard Lobinski Joanna Szpunar

The recognition of the fact that the chemical, biological and toxicological properties of an element are critically dependent on the form in which the element occurs in the sample has spurred a rapid development of an area of analytical chemistry referred to as speciation analysis [1]. A fundamental tool used for speciation studies is the combination of a chromatographic separation technique, t...

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