Liquid chromatography tandem mass spectrometry is one of the most specific techniques available in clinical laboratories. In the past, immunoassays were the pri

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– Characteristics of mass fragmentation of steroids by atmospheric …The characteristics of the mass spectra of sixty steroids were investigated using atmospheric pressure chemical ionization-mass spectrometry (APCI-MS).

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Quantitation of endogenous steroids or similar molecules in body fluids is … Q Exactive Mass Spectrometer – Comparison of APCI, APPI and HESI Sources.

83 Table 2 Category of compounds analyzed Category Compound Diuretic Chlorothiazide Stimulants Ritalinic acid, Methyl Phenidate, Mesocarb Anabolic androgenic steroids …

phic properties and mass spectra of several synthetic nitro and aza steroids. The compounds … APCI source settings were corona current 5 µA and capillary …

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Mass Spectrometry (MS) is an analytical technique that sorts ions based on their mass (or "weight"). Mass spectrometry is used for chemical analysis in many …

1 J. Prasain 01/19/11 Ion fragmentation of small molecules in mass spectrometry Jeevan Prasain jprasain@uab.edu 6-2612 J. Prasain 01/19/11 Nomenclature: the main …