Archive for August, 2010
Last Updated on Sunday, 29 August 2010 12:18 Written by Administrator Sunday, 29 August 2010 12:18
Gas chromatography-mass spectrometry (GC-MS) is a method that combines the features of gas-liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC-MS include drug detection, fire investigation, environmental analysis, explosives investigation, and identification of unknown samples. Additionally, it can identify trace elements in materials that were previously thought to have disintegrated beyond identification Metabolomics is the “systematic study of the unique chemical fingerprints that specific cellular processes leave behind” – specifically, the study of their small-molecule metabolite profiles. The metabolome represents the collection of all metabolites in a biological cell, tissue, organ or organism, which are the end products of cellular processes. Thus, while mRNA gene expression data and proteomic analyses do not tell the whole story of what might be happening in a cell, metabolic profiling can give an instantaneous snapshot of the physiology of that cell
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Last Updated on Sunday, 29 August 2010 12:18 Written by Administrator Sunday, 29 August 2010 12:18
Mass Spectrometry of Large Molecules: Course Lectures (Ispra courses on chemical and environmental science)
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Tags: Chemical, Course, courses, Environmental, Ispra, Large, Lectures, Mass, Molecules, Science, Spectrometry | Posted under Mass Spectrometry Books | No Comments
Last Updated on Saturday, 28 August 2010 12:18 Written by Administrator Saturday, 28 August 2010 12:18
Organic chemistry: Aldehyde/ketone nomenclature problems. Spectroscopy problems. Hydration (nucleophilic addition of water to aldehydes and ketones to form geminal diols). Reactivity of aldehydes and ketones. Effects of acid or base on reactivity. Mass spectrometry of aldehydes and ketones; McLafferty rearrangement. Nucleophilic addition of thiols to aldehydes and ketones to form thioacetals; desulfurization of thioacetals with Raney nickel. This is a recording of a tutoring session, posted with the students’ permission. These videos are offered on a “pay-what-you-like” basis. You can pay for the use of the videos at my website: www.freelance-teacher.com For a printable document containing the handout discussed in this video series, go to my website. For a list of all the available video series, arranged in suggested viewing order, go to my website. For a playlist containing all the videos in this series, click here: www.youtube.com (1) Aldehyde/ketone nomenclature problems (2) Continued. Spectroscopy problems (3) Contined. Hydration (nucleophilic addition of water to aldehydes and ketones to form geminal diols) (4) Continued. Reactivity of aldehydes and ketones (5) Continued. A hydration problem (6) Continued. Effects of acid or base on reactivity (7) Continued (8) Continued. Mass spectrometry of aldehydes and ketones; McLafferty rearrangement (9) Continued (10) Continued (11) Nucleophilic addition of thiols to aldehydes and ketones to form thioacetals; desulfurization …
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Last Updated on Saturday, 28 August 2010 12:18 Written by Administrator Saturday, 28 August 2010 12:18
Mass Spectrometry. Volume 6 (Specialist Periodical Report) (Vol 6)
Specialist Periodical Reports provide systematic and detailed review coverage of progress in the major areas of chemical research. Written by experts in their specialist fields the series creates a unique service for the active research chemist, supplying regular critical in-depth accounts of progress in particular areas of chemistry.
List Price: $ 559.00
Price: $ 559.00
Tags: Mass, Periodical, Report, Specialist, Spectrometry, Volume | Posted under Mass Spectrometry Books | No Comments