Optical and Electron Spectrometry of Molecules of Biological Interest

• Authors: B. Marinković , A. Milosavljević , J. Maljković , D. Šević , B. Petruševski , D. Pavlović , D. Filipović , M. Terzić , V. Pejčev
• Languages of publication: EN

Abstracts

EN

Optical absorption and emission spectroscopy together with low energy electron interaction (elastic scattering, excitation, ionization, resonances) with biologically relevant molecules (nitrogen, oxygen, water, alcohols, tetrahydrofuran, tetrahydrofurfuril alcohol, 3-hydroxytetrahydrofuran, pyrimidine, glycine, alanine) are studied in order to understand radiation damage and to investigate the presence of pollutants in the atmosphere. Versatile high resolution electron spectrometers are used in the present study of electron-molecule interactions. Energy loss spectra were recorded for these molecules in order to identify electronic transitions from ground state to both allowed and optically forbidden states. Optical emission spectra have been recorded from gas discharge processes by low resolution optical spectrometer (Ocean Optics 2000). Also, electronic spectra were compared with high resolution synchrotron photoabsorption spectra where these spectra had been available. Experimental methods of absorption-based laser spectroscopy were reviewed being of the most widely used analytical tools for detection of a specific molecule and quantitative measurements, based on the Beer-Lambert absorption law.

Keywords

EN

34.80.Gs; 34.80.Bm; 52.25.Os

Discipline

• 52.25.Os: Emission, absorption, and scattering of electromagnetic radiation
• 34.80.Gs: Molecular excitation and ionization
• 34.80.Bm: Elastic scattering

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2007
• Volume: 112
• Issue: 5
• Pages: 1145-1150

Dates

published

2007-11

received

2007-09-03

Contributors

author

B. Marinković

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia
• Electrical Engineering College, Belgrade, Serbia

author

A. Milosavljević

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

J. Maljković

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

D. Šević

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia
• Electrical Engineering College, Belgrade, Serbia

author

B. Petruševski

• Electrical Engineering College, Belgrade, Serbia

author

D. Pavlović

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia

author

D. Filipović

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia
• Faculty of Physics, University of Belgrade, Belgrade, Serbia

author

M. Terzić

• Faculty of Sciencies, University of Novi Sad, Novi Sad, Serbia

author

V. Pejčev

• Institute of Physics, Pregrevica 118, 11080 Belgrade, Serbia
• Faculty of Sciences, University of Kragujevac, Kragujevac, Serbia

References

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Identifiers

DOI

10.12693/APhysPolA.112.1145