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Transmission THz time domain system for biomolecules spectroscopy

M. P. DINCA1, A. LECA2, D. APOSTOL2, M. MERNEA2, O. CALBOREAN3, D. MIHAILESCU3, T. DASCALU2,*

Affiliation

  1. University of Bucharest, Faculty of Physics
  2. National Institute for Laser, Plasma and Radiation Physics, Laboratory of Solid-State Quantum Electronics, Bucharest R-077125, Romania
  3. University of Bucharest, Faculty of Biology

Abstract

A THz Time Domain Spectroscopy experimental set-up was built for studying the biomolecules absorption spectra in the THz range and obtaining information on their collective motions. Details on the set-up calibration and performances are presented, together with the used noise and artefacts reduction data processing techniques. Preliminary results on the absorbance spectrum of the solvated Bovine Serum Albumin (BSA) for different water concentration are given..

Keywords

Terahertz, Terahertz time domain spectroscopy, Terahertz pulsed spectroscopy, Rotational transitions.

Submitted at: Dec. 15, 2009
Accepted at: Jan. 20, 2010

Citation

M. P. DINCA, A. LECA, D. APOSTOL, M. MERNEA, O. CALBOREAN, D. MIHAILESCU, T. DASCALU, Transmission THz time domain system for biomolecules spectroscopy, Journal of Optoelectronics and Advanced Materials Vol. 12, Iss. 1, pp. 110-114 (2010)