Millimeter Wave Absorption Measurement on DNA Polymers in Biological Aerosols: Contribution of Localized Phonon and Plasmon Modes
Abstract
This project is focused on the application of a new technique in detecting DNA samples in the frequency range of millimeter to submillimeter wavelengths. This technique is based on the detection of millimeter wave absorption features corresponding to local vibrational modes of the DNA chains, due to natural lesions induced by broken or stretched (weakened) hydrogen bonds, missing atoms or groups. additional or missing dimers, and substitutional impurities. etc. The samples are in the forms of either thin films or aerosols. In this report we document our experimental findings of the millimeter wave absorption spectra of various DNA biopolymers in the sample form of thin films or aerosols. We have investigated thin film sample of BA, BG, and BT, as well as aerosol samples of BG and BT. We have also studied theoretically the interaction of localized phonon and plasmon modes with electromagnetic radiation, and predicted the absorption spectrum theoretically.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 01, 2000
- Accession Number
- ADA385869
Entities
People
- Hong-liang Cui
Organizations
- Stevens Institute of Technology