Effect of light scattering on biological tissue thermometry from photoluminescence spectra of up-conversion nanoparticles

Photoluminescence spectra of the up-conversion nanoparticles NaYF4 : Y3+, Er3+ arranged under a layer of an adipose tissue have been recorded in a wide temperature range. It is shown that if nanoparticle temperature is determined from the photoluminescence spectra, an error arises related to spectru...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2019-01, Vol.49 (1), p.59-62
Main Authors: Yanina, I.Yu, Volkova, E.K., Sagaidachnaya, E.A., Kochubey, V.I., Tuchin, V.V.
Format: Article
Language:English
Subjects:
ADIPOSE TISSUE
Algorithms
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ERBIUM IONS
Error correction
Error reduction
ERRORS
laser
LAYERS
Light scattering
NANOPARTICLES
NANOSCIENCE AND NANOTECHNOLOGY
optical clearing
PHOTOLUMINESCENCE
photoluminescence spectrum
SPECTRA
Thermometry
up-conversion nanoparticles
Upconversion
VISIBLE RADIATION
YTTRIUM IONS
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Summary:Photoluminescence spectra of the up-conversion nanoparticles NaYF4 : Y3+, Er3+ arranged under a layer of an adipose tissue have been recorded in a wide temperature range. It is shown that if nanoparticle temperature is determined from the photoluminescence spectra, an error arises related to spectrum distortion due to light scattering in a sample. A correction algorithm for reducing this error is developed.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16931