Journal of the American Chemical Society, volume 134, issue 1, pages 79-82
Ultrasmall near-infrared Ag2Se quantum dots with tunable fluorescence for in vivo imaging.
Publication type: Journal Article
Publication date: 2011-12-14
Q1
Q1
SJR: 5.489
CiteScore: 24.4
Impact factor: 14.4
ISSN: 00027863, 15205126
General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry
Abstract
A strategy is presented that involes coupling Na(2)SeO(3) reduction with the binding of silver ions and alanine in a quasi-biosystem to obtain ultrasmall, near-infrared Ag(2)Se quantum dots (QDs) with tunable fluorescence at 90 °C in aqueous solution. This strategy avoids high temperatures, high pressures, and organic solvents so that water-dispersible sub-3 nm Ag(2)Se QDs can be directly obtained. The photoluminescence of the Ag(2)Se QDs was size-dependent over a wavelength range from 700 to 820 nm, corresponding to sizes from 1.5 ± 0.4 to 2.4 ± 0.5 nm, with good monodispersity. The Ag(2)Se QDs are less cytotoxic than other nanomaterials used for similar applications. Furthermore, the NIR fluorescence of the Ag(2)Se QDs could penetrate through the abdominal cavity of a living nude mouse and could be detected on its back side, demonstrating the potential applications of these less toxic NIR Ag(2)Se QDs in bioimaging.
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Gu Y. P. et al. Ultrasmall near-infrared Ag2Se quantum dots with tunable fluorescence for in vivo imaging. // Journal of the American Chemical Society. 2011. Vol. 134. No. 1. pp. 79-82.
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Gu Y. P., Cui R., Zhang Z., Xie Z., Pang D. Ultrasmall near-infrared Ag2Se quantum dots with tunable fluorescence for in vivo imaging. // Journal of the American Chemical Society. 2011. Vol. 134. No. 1. pp. 79-82.
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TY - JOUR
DO - 10.1021/ja2089553
UR - https://doi.org/10.1021/ja2089553
TI - Ultrasmall near-infrared Ag2Se quantum dots with tunable fluorescence for in vivo imaging.
T2 - Journal of the American Chemical Society
AU - Gu, Yi Ping
AU - Cui, Ran
AU - Zhang, Zhi-Ling
AU - Xie, Zhi-Xiong
AU - Pang, Daiwen
PY - 2011
DA - 2011/12/14
PB - American Chemical Society (ACS)
SP - 79-82
IS - 1
VL - 134
SN - 0002-7863
SN - 1520-5126
ER -
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@article{2011_Gu,
author = {Yi Ping Gu and Ran Cui and Zhi-Ling Zhang and Zhi-Xiong Xie and Daiwen Pang},
title = {Ultrasmall near-infrared Ag2Se quantum dots with tunable fluorescence for in vivo imaging.},
journal = {Journal of the American Chemical Society},
year = {2011},
volume = {134},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021/ja2089553},
number = {1},
pages = {79--82},
doi = {10.1021/ja2089553}
}
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Gu, Yi Ping, et al. “Ultrasmall near-infrared Ag2Se quantum dots with tunable fluorescence for in vivo imaging..” Journal of the American Chemical Society, vol. 134, no. 1, Dec. 2011, pp. 79-82. https://doi.org/10.1021/ja2089553.