A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes

Abstract Nanodiamonds hosting temperature-sensing centers constitute a closed thermodynamic system. Such a system prevents direct contact of the temperature sensors with the environment making it an ideal environmental insensitive nanosized thermometer. A new design of a nanodiamond thermometer, bas...

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Autores principales:	Alexey M. Romshin, Vadim Zeeb, Artem K. Martyanov, Oleg S. Kudryavtsev, Dmitrii G. Pasternak, Vadim S. Sedov, Victor G. Ralchenko, Andrey G. Sinogeykin, Igor I. Vlasov
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2e22dd7acb2a41c6a7f36946f05699bb
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spelling	oai:doaj.org-article:2e22dd7acb2a41c6a7f36946f05699bb2021-12-02T18:34:13ZA new approach to precise mapping of local temperature fields in submicrometer aqueous volumes10.1038/s41598-021-93374-72045-2322https://doaj.org/article/2e22dd7acb2a41c6a7f36946f05699bb2021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93374-7https://doaj.org/toc/2045-2322Abstract Nanodiamonds hosting temperature-sensing centers constitute a closed thermodynamic system. Such a system prevents direct contact of the temperature sensors with the environment making it an ideal environmental insensitive nanosized thermometer. A new design of a nanodiamond thermometer, based on a 500-nm luminescent nanodiamond embedded into the inner channel of a glass submicron pipette is reported. All-optical detection of temperature, based on spectral changes of the emission of “silicon-vacancy” centers with temperature, is used. We demonstrate the applicability of the thermometric tool to the study of temperature distribution near a local heater, placed in an aqueous medium. The calculated and experimental values of temperatures are shown to coincide within measurement error at gradients up to 20 °C/μm. Until now, temperature measurements on the submicron scale at such high gradients have not been performed. The new thermometric tool opens up unique opportunities to answer the urgent paradigm-shifting questions of cell physiology thermodynamics.Alexey M. RomshinVadim ZeebArtem K. MartyanovOleg S. KudryavtsevDmitrii G. PasternakVadim S. SedovVictor G. RalchenkoAndrey G. SinogeykinIgor I. VlasovNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Alexey M. Romshin Vadim Zeeb Artem K. Martyanov Oleg S. Kudryavtsev Dmitrii G. Pasternak Vadim S. Sedov Victor G. Ralchenko Andrey G. Sinogeykin Igor I. Vlasov A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
description	Abstract Nanodiamonds hosting temperature-sensing centers constitute a closed thermodynamic system. Such a system prevents direct contact of the temperature sensors with the environment making it an ideal environmental insensitive nanosized thermometer. A new design of a nanodiamond thermometer, based on a 500-nm luminescent nanodiamond embedded into the inner channel of a glass submicron pipette is reported. All-optical detection of temperature, based on spectral changes of the emission of “silicon-vacancy” centers with temperature, is used. We demonstrate the applicability of the thermometric tool to the study of temperature distribution near a local heater, placed in an aqueous medium. The calculated and experimental values of temperatures are shown to coincide within measurement error at gradients up to 20 °C/μm. Until now, temperature measurements on the submicron scale at such high gradients have not been performed. The new thermometric tool opens up unique opportunities to answer the urgent paradigm-shifting questions of cell physiology thermodynamics.
format	article
author	Alexey M. Romshin Vadim Zeeb Artem K. Martyanov Oleg S. Kudryavtsev Dmitrii G. Pasternak Vadim S. Sedov Victor G. Ralchenko Andrey G. Sinogeykin Igor I. Vlasov
author_facet	Alexey M. Romshin Vadim Zeeb Artem K. Martyanov Oleg S. Kudryavtsev Dmitrii G. Pasternak Vadim S. Sedov Victor G. Ralchenko Andrey G. Sinogeykin Igor I. Vlasov
author_sort	Alexey M. Romshin
title	A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
title_short	A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
title_full	A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
title_fullStr	A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
title_full_unstemmed	A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
title_sort	new approach to precise mapping of local temperature fields in submicrometer aqueous volumes
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/2e22dd7acb2a41c6a7f36946f05699bb
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A new approach to precise mapping of local temperature fields in submicrometer aqueous volumes

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