Raman spectroscopy has proven to be an effective tool for molecular analysis in different applications. In clinical diagnostics, its application has enabled nondestructive investigation of biological tissues and liquids. The human perilymph, for example, is an inner ear liquid, essential for the hearing sensation. The composition of this liquid is correlated with pathophysiological parameters and was analyzed by extraction and mass spectrometry so far. In this work, we present a fiber optic probe setup for the Raman spectroscopic sampling of inner ear proteins in solution. Multivariate data analysis is applied for the discrimination of individual proteins (heat shock proteins) linked to a specific type of hearing impairment. This proof-of-principle is a first step toward a system for sensitive and continuous in vivo perilymph investigation in the future.
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April 2019
Research Article|
April 10 2019
Multivariate discrimination of heat shock proteins using a fiber optic Raman setup for in situ analysis of human perilymph
Martin Höhl
;
Martin Höhl
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Hannover 30167, Germany
2
Hannoversches Zentrum für Optische Technologien, Leibniz Universität Hannover
, Hannover 30167, Germany
3
Cluster of Excellence “Hearing4all
,” Oldenburg 26111, Germany
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Carsten Zeilinger
;
Carsten Zeilinger
4
Biomolekulares Wirkstoffzentrum, Leibniz Universität Hannover
, Hannover 30167, Germany
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Bernhard Roth
;
Bernhard Roth
2
Hannoversches Zentrum für Optische Technologien, Leibniz Universität Hannover
, Hannover 30167, Germany
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Merve Meinhardt-Wollweber
;
Merve Meinhardt-Wollweber
b)
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Hannover 30167, Germany
2
Hannoversches Zentrum für Optische Technologien, Leibniz Universität Hannover
, Hannover 30167, Germany
3
Cluster of Excellence “Hearing4all
,” Oldenburg 26111, Germany
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Uwe Morgner
Uwe Morgner
b)
1
Institut für Quantenoptik, Leibniz Universität Hannover
, Hannover 30167, Germany
2
Hannoversches Zentrum für Optische Technologien, Leibniz Universität Hannover
, Hannover 30167, Germany
3
Cluster of Excellence “Hearing4all
,” Oldenburg 26111, Germany
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a)
Electronic mail: [email protected]
b)
URL: www.hearing4all.eu
Rev. Sci. Instrum. 90, 043110 (2019)
Article history
Received:
March 20 2018
Accepted:
March 22 2019
Citation
Martin Höhl, Carsten Zeilinger, Bernhard Roth, Merve Meinhardt-Wollweber, Uwe Morgner; Multivariate discrimination of heat shock proteins using a fiber optic Raman setup for in situ analysis of human perilymph. Rev. Sci. Instrum. 1 April 2019; 90 (4): 043110. https://doi.org/10.1063/1.5030301
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