Terahertz spectroscopy of bound water in nano suspensions

S. P. Mickan, J. Dordick, J. Munch, D. Abbott, X. C. Zhang

Research output: Contribution to journalConference articlepeer-review

16 Scopus citations

Abstract

The study of enzymatic protein molecules using terahertz time-domain spectroscopy (THz-TDS) has the potential to reveal molecular activity in real time without the use of labelling. Molecular hydration, or bound water, is a critical parameter in enzyme activity and THz-TDS measurements. For the first time we experimentally measure the terahertz-frequency response of nano-sized particles of protein and their level of molecular hydration. These measurements are valuable in understanding the terahertz response of biological systems and in studying the interaction between bound water and proteins.

Original languageEnglish
Pages (from-to)49-61
Number of pages13
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4937
DOIs
StatePublished - 2002
Externally publishedYes
EventBiomedical Applications of Micro- and Nanoengineering - Melbourne, VIC., Australia
Duration: 16 Dec 200218 Dec 2002

Keywords

  • 1,4-dioxane
  • Bound water
  • FIR dielectric
  • Organic solvent
  • Terahertz time-domain spectroscopy
  • Ultrafast

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