LOCALIZED (5M) PROBING AND DETAILED MAPPING OF HAIR WITH SYNCHROTRON POWERED FT-IR MICROSPECTROSCOPY

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Description

The thickness and high absorptivity of single hairs typically result in the saturation of major infrared bands and their distortion. Single human hairs longitudinally microtomed and mounted on mirror slides were scanned routinely in the past with a 20 {micro}m x 100 {micro}m aperture that limited spatial resolution for localized probing and detailed mapping. Use of the nondivergent, bright, and low-noise synchrotron source for FT-IR microspectroscopy enables good S/N even at apertures as small as 5--6 {micro}m. Functional group mapping as well as localized probing for extraneous materials illustrates the utility of this powerful probe.

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4 pages

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Williams, G. P. & Wetzel, D. L. August 10, 1997.

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The thickness and high absorptivity of single hairs typically result in the saturation of major infrared bands and their distortion. Single human hairs longitudinally microtomed and mounted on mirror slides were scanned routinely in the past with a 20 {micro}m x 100 {micro}m aperture that limited spatial resolution for localized probing and detailed mapping. Use of the nondivergent, bright, and low-noise synchrotron source for FT-IR microspectroscopy enables good S/N even at apertures as small as 5--6 {micro}m. Functional group mapping as well as localized probing for extraneous materials illustrates the utility of this powerful probe.

Physical Description

4 pages

Notes

OSTI as DE00757122

Source

  • ELEVENTH INTERNATIONAL CONFERENCE ON FOURIER TRANSFORM SPECTROSCOPY, AMERICAN INSTITUTE OF PHYSICS, CONFERENCE PROCEEDINGS, ATHENS, GA (US), 08/10/1997--08/15/1997

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  • Report No.: BNL--65669
  • Report No.: KC0204011
  • Grant Number: AC02-98CH10886
  • Office of Scientific & Technical Information Report Number: 757122
  • Archival Resource Key: ark:/67531/metadc703997

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  • August 10, 1997

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • Nov. 10, 2015, 1:42 p.m.

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Williams, G. P. & Wetzel, D. L. LOCALIZED (5M) PROBING AND DETAILED MAPPING OF HAIR WITH SYNCHROTRON POWERED FT-IR MICROSPECTROSCOPY, article, August 10, 1997; Upton, New York. (digital.library.unt.edu/ark:/67531/metadc703997/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.