alexa FTIR: A Novel Bio-Analytical Technique | OMICS International | Abstract
ISSN: 2155-9872

Journal of Analytical & Bioanalytical Techniques
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Editorial

FTIR: A Novel Bio-Analytical Technique

Ashish Chauhan*

National Institute of Pharmaceutical Education and Research, NIPER, Punjab, India

*Corresponding Author:
Ashish Chauhan, Jr. Scientist
National Institute of Pharmaceutical Education and Research (NIPER) Punjab, India
E-mail: [email protected]

Received date: August 08, 2012; Accepted date: August 09, 2012; Published date: August 12, 2012

Citation: Chauhan A (2012) FTIR: A Novel Bio-Analytical Technique. J Anal Bioanal Tech 3:e107. doi: 10.4172/2155-9872.1000e107

Copyright: © 2012 Chauhan A. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Fourier Transform Infra Red (FTIR) spectroscopy is a magnificent technique. Infrared spectroscopy is based on the fact that molecules absorb specific frequencies that are characteristic to the structure. These absorptions are resonant frequencies of the absorbed radiation that matches with the frequency of the bond or group that vibrates. The energies are determined by the shape of the molecular potential energy surfaces, the masses of the atoms and the associated vibrational coupling. In particular, in the Born-Oppenheimer and harmonic hypothesis when the Molecular Hamiltonian corresponding to the electronic ground can be approximated by a harmonic oscillator in the neighborhood of the equilibrium molecular geometry, the resonant frequencies are determined by the normal modes corresponding to the molecular electronic ground state potential energy surface. The resonant frequencies can be related to the strength of the bond and the mass of the atoms. Thus, the frequency of the vibrations can be associated with a particular bond type.

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