Essays Tagged: "Mass spectrometry"

An Emerging Use Of Mass Spectrometry

llution and related spills/disasters as quickly as possible. To aid in these needs, direct sampling mass spectrometry in environmental screening is being developed as an alternative to traditional mas ... ing is being developed as an alternative to traditional mass spectroscopic methods. Direct sampling mass spectrometry (DSMS) is a simple technique that provides real-time response, high sample through ...

(4 pages) 11 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Ragweed

now used worldwide.Aston, Francis W. -- (British chemist and physicist) 24. Developed technique of mass spectrometry as extension of the measurement of the charge-mass ratio of the electron. The rela ... charge-mass ratio of the electron. The relative masses on the atomic scale are related to absolute mass on the gram scale through a conversion factor. Mass spec is now the most accurate method for de ...

(26 pages) 24 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Scientenstences

now used worldwide.Aston, Francis W. -- (British chemist and physicist) 24. Developed technique of mass spectrometry as extension of the measurement of the charge-mass ratio of the electron. The rela ... charge-mass ratio of the electron. The relative masses on the atomic scale are related to absolute mass on the gram scale through a conversion factor. Mass spec is now the most accurate method for de ...

(26 pages) 56 0 5.0 Feb/2008

Subjects: Science Essays > Chemistry

Proteomics Techniques Overview

ion from proteins and peptides followed by correlating it to the databases. This paved the entry of mass spectrometric techniques and the use of database search algorithms.Mass spectrometers were the ... me. The technique allowed high precision analysis of relatively small molecules. The science behind mass spectrometric technique was the ionization of the sample followed by the analysis based on mass ...

(13 pages) 19 0 0.0 Sep/2008

Subjects: Science Essays > Biotechnology

A Mass Spectrometer Inlet System for Sampling Gases Dissolved in Liquid Phases

ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS 101, 160-170 (1963) A Mass Spectrometer Inlet System for Sampling Gases Dissolved in Liquid Phases' GEORGE HOCH AND BESSEL ... uid Phases' GEORGE HOCH AND BESSEL KOK From RIAS, Baltimore, Maryland Received November 23, 1962 .4 mass spectrometer inlet system has been devised which permits continuous sampling of gases dissolved ... a semipermeable membrane which allows the dissolved gases, but not the liquid phases, to enter the mass spectrometer. The instrument permits rapid time response and high sensitivity. The application ...

(15 pages) 4 0 0.0 May/2014

Subjects: Science Essays