THz辐射在DNA光谱研究中的应用

Applications of Terahertz Pulse in the DNA Molecule

太赫兹(THz)辐射是一种新型的远红外相干辐射源,近年来在不同的研究领域中得到了广泛的应用,许多研究表明THz脉冲光谱学在生物和医学方面具有潜在的应用前景。文章简要介绍了THz辐射产生和探测的基本原理和方法;阐述了THz辐射在生物学和DNA分子光谱学研究的物理基础;讨论应用THz辐射研究DNA取得的成果及最新进展,展望应用THz辐射研究DNA分子的前景。

Terahertz（THz） radiation is a newly developed coherent far infrared source, which has been applied in many research fields, especially medical application and biological application. In the present paper, the mechanism and methods of its generation and detection are introduced. The properties and its uniqueness in applications to biological researches and DNA molecular spectroscopy are discussed. A brief review is given to the latest progress in THz spectroscopy of DNA samples, and the prospect of the research in this cross-discipline is presented.