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Optical properties of Erwinia herbicola bacteria at 0.190-2.50 μm

Biopolymers - Biospectroscopy Section, ISSN: 0006-3525, Vol: 72, Issue: 5, Page: 391-398
2003
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Article Description

We measure the complex index of refraction of Erwina herbicola (also known as Enterobacter agglomerans or Pantoea agglomerans) bacteria (ATTC 33243) over the spectral region from 0.190 to 2.50 μm (4000-52,632 cm). Transmission measurements are made on solid films of E. herbicola and on suspensions of the bacteria in water. These measurements, combined with spectral reflectance and Kramers-Krönig analysis, allow the determination of the real and imaginary parts over the entire wavelength interval. Accurate and consistent results are obtained for this complex and difficult to measure material. This is part of a continuing series of measurements of the optical constants of representative biological materials that are applicable to the development of methods for detection of airborne biological contaminants, where the material under study is used as a surrogate for a pathogenic agent. © 2003 Wiley Periodicals, Inc.

Bibliographic Details

E. T. Arakawa; P. S. Tuminello; B. N. Khare; M. E. Milham

Wiley

Biochemistry, Genetics and Molecular Biology; Materials Science; Chemistry

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