Advanced Functional Materials, volume 27, issue 6, pages 1604629

Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry

Diego Ruiz 1
Saimon M. Silva 2
María Acebrón 1, 3
André Silva 1
J. Cabanillas-Gonzalez 1
Miguel Lopez-Haro 5
Ana Belén Hungrı́a 5
D. Jaque 2, 6
B.H. Juárez 1, 3
1
 
IMDEA Nanoscience; Faraday 9, Campus Cantoblanco 28049 Madrid Spain
5
 
Nanomaterials and Catalysis Lab; Cádiz University; Campus Universitario Rio San Pedro s/n 11150 Puerto Real Cádiz Spain
6
 
Instituto Ramón y Cajal de Investigación Sanitaria; IRYCIS; Hospital Ramón y Cajal; 28034 Madrid Spain
Publication typeJournal Article
Publication date2016-12-28
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor19
ISSN1616301X, 16163028
Electronic, Optical and Magnetic Materials
Electrochemistry
Condensed Matter Physics
Biomaterials
Abstract
Temperature sensing in biological media (cells, tissues, and living organisms) has become essential in the development of the last generation of diagnostics and therapeutic strategies. Thermometry can be used for early detection of different diseases, such as cancer, stroke, or inflammation processes, one of whose incipient symptoms is the appearance of localized temperature singularities. Luminescence nanothermometry, as a tool to accurately provide temperature sensing in biological media, requires the rational design and development of nanothermometers operating in the second biological window. In this work, this is achieved using Ag/Ag2S nanocrystals as multiparametric thermal sensing probes. Temperature sensing with remarkably high sensitivity (4% °C−1) is possible through intensity‐based measurements, as their infrared emission is strongly quenched by small temperature variations within the biological range (15–50 °C). Heating also results in a remarkable redshift of the emission band, which allows for concentration‐independent temperature sensing based on infrared ratiometric measurements, with thermal sensitivity close to 2% °C−1. These results make Ag/Ag2S nanocrystals the most sensitive among all noncomposite nanothermometers operating in the second biological window reported so far, allowing for deep‐tissue temperature measurements with low uncertainty (0.2 °C).

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Ruiz D. et al. Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry // Advanced Functional Materials. 2016. Vol. 27. No. 6. p. 1604629.
GOST all authors (up to 50) Copy
Ruiz D., Silva S. M., Acebrón M., Palencia C., Silva A., Cabanillas-Gonzalez J., Lopez-Haro M., Hungrı́a A. B., Jaque D., Juárez B. Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry // Advanced Functional Materials. 2016. Vol. 27. No. 6. p. 1604629.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1002/adfm.201604629
UR - https://doi.org/10.1002/adfm.201604629
TI - Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry
T2 - Advanced Functional Materials
AU - Acebrón, María
AU - Ruiz, Diego
AU - Silva, Saimon M.
AU - Palencia, Cristina
AU - Silva, André
AU - Cabanillas-Gonzalez, J.
AU - Lopez-Haro, Miguel
AU - Hungrı́a, Ana Belén
AU - Jaque, D.
AU - Juárez, B.H.
PY - 2016
DA - 2016/12/28 00:00:00
PB - Wiley
SP - 1604629
IS - 6
VL - 27
SN - 1616-301X
SN - 1616-3028
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_Ruiz,
author = {María Acebrón and Diego Ruiz and Saimon M. Silva and Cristina Palencia and André Silva and J. Cabanillas-Gonzalez and Miguel Lopez-Haro and Ana Belén Hungrı́a and D. Jaque and B.H. Juárez},
title = {Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry},
journal = {Advanced Functional Materials},
year = {2016},
volume = {27},
publisher = {Wiley},
month = {dec},
url = {https://doi.org/10.1002/adfm.201604629},
number = {6},
pages = {1604629},
doi = {10.1002/adfm.201604629}
}
MLA
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MLA Copy
Ruiz, Diego, et al. “Ag/Ag2S Nanocrystals for High Sensitivity Near-Infrared Luminescence Nanothermometry.” Advanced Functional Materials, vol. 27, no. 6, Dec. 2016, p. 1604629. https://doi.org/10.1002/adfm.201604629.
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