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Literature DB >> 17483468

Comparison of coherent and spontaneous Raman microspectroscopies for noninvasive detection of single bacterial endospores.

Georgi I Petrov¹, Rajan Arora, Vladislav V Yakovlev, Xi Wang, Alexei V Sokolov, Marlan O Scully.

Abstract

Single bacterial spores were analyzed by using nonlinear Raman microspectroscopy based on coherent anti-Stokes Raman scattering (CARS). The Raman spectra were retrieved from CARS spectra and found to be in excellent agreement with conventionally collected Raman spectra. The phase retrieval method based on maximum entropy model revealed significant robustness to external noise. The direct comparison of signal amplitudes exhibited a factor of 100 stronger CARS signal, as compared with the Raman signal.

Mesh：

Year: 2007 PMID： 17483468 PMCID： PMC1876523 DOI： 10.1073/pnas.0702107104

Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN： 0027-8424 Impact factor: 11.205

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