The development of a disposable gas chromatography microcolumn.

Development of Techniques and Methods for the Quantitative Analysis of Endogenous Substances by Microcolumn Liquid Chromatography Coupled to Mass Spectrometry

GraphGas: Optimizing Outlet of Microcolumns for Gas Chromatography

This master thesis focused on optimizing the outlet geometry of microcolumn chips and how the chips are assembled in a miniaturized gas analysis system based on the principles of gas chromatography. The theory and literature of gas chromatography at microscales was studied and consequently several outlet designs were simulated with COMSOL Multiphysics®. Their theoretical velocity profiles were ...

مهاجرت بیس‌فنول A و نونیل فنول از بطری‌های آب معدنی و ظروف پلاستیکی یکبار مصرف به آب در دماهای مختلف

Background and Objectives: bisphenol A and nonylphenol are xenoestrogen materials used as a monomer of plastics in widely volume in the production of plastic materials especially mineral water bottles and disposable plastic containers. In this study, we investigated the potential of migration of bisphenol A and nonylphenol from disposable plastic containers into water at different temperatures ...

Analysis of dexamethasone, triamcinolone, and their metabolites in human urine by microcolumn liquid and capillary gas chromatography mass spectrometry

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Comparison of fast protein liquid chromatography (FPLC) with HPLC, electrophoresis & microcolumn chromatography techniques for the diagnosis of beta-thalassaemia.

BACKGROUND & OBJECTIVE beta-thalassaemia is a genetic disorder and an important health problem around the world. Quantitative haemoglobin A(2) (HbA(2)) levels are used for the diagnosis of beta-thalassaemia. The conventional methods are high performance liquid chromatography (HPLC), electrophoresis, and microcolumn chromatography techniques. We established a fast protein liquid chromatography (...