A REVIEW ON MASS SPECTROMETRY DETECTORS
Journal Title: International Research Journal of Pharmacy (IRJP) - Year 2012, Vol 3, Issue 10
Abstract
Mass spectrometry is an analytical technique for "weighing" molecules. Obviously, this is not done with a conventional scale or balance. Instead, mass spectrometry is based upon the principle of the motion of a charged particle that is called an ion, in an electric or magnetic field. The mass to charge ratio (m/z) of the ion affects particles motion. Since the charge of an electron is known, the mass to charge ratio (m/z) is a measurement of mass of an ion. Mass spectrometry research focuses on the formation of gas phase ions, and detection of ions. Detectors in mass spectrometer detect the separated ions according to m/z ratio. The main disadvantages of conventional detectors are very low sensitivity and poor detection efficiency. Detectors are of a great interest to a wide range of industrial, military, environmental and even biological applications. In recent developments, molecules of higher mass can also be detected and enhanced lifetime under the less than ideal environments typically encountered in mass spectrometers. This review deals in detail about the design, working and principle of mass spectrometric detectors and their recent developments.
Authors and Affiliations
Neetu Khatri , Ankit Gupta , Ruchi Taneja , Ajay Bilandi , Prashant Beniwal
Keywords
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