| Application of terahertz spectroscopy to the characterization of biological samples using birefringence silicon grating. | |
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MedLine Citation:
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PMID: 22734784 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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We present a device and method for performing vector transmission spectroscopy on biological specimens at terahertz (THz) frequencies. The device consists of artificial dielectric birefringence obtained from silicon microfluidic grating structures. The device can measure the complex dielectric function of a liquid, across a wide THz band of 2 to 5.5 THz, using a Fourier transform infrared spectrometer. Measurement data from a range of liquid specimens, including sucrose, salmon deoxyribonucleic acid (DNA), herring DNA, and bovine serum albumin protein solution in water are presented. The specimen handling is simple, using a microfluidic channel. The transmission through the device is improved significantly and thus the measurement accuracy and bandwidth are increased. |
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Authors:
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Shimul C Saha; James P Grant; Yong Ma; Ata Khalid; Feng Hong; David R S Cumming |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of biomedical optics Volume: 17 ISSN: 1560-2281 ISO Abbreviation: J Biomed Opt Publication Date: 2012 Jun |
Date Detail:
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Created Date: 2012-06-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9605853 Medline TA: J Biomed Opt Country: United States |
Other Details:
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Languages: eng Pagination: 067006 Citation Subset: IM |
Affiliation:
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University of Glasgow, Electronics and Nanoscale Engineering, Rankine Building, G12 8LT, United Kingdom. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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