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Updated: Feb 19, 2026

Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications
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Synthesis of Near-Infrared Emitting Gold Nanoclusters for Biological Applications

Published on: March 22, 2020

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对于具有NIR-II光发光的多功能金属纳米集群.

Wanmiao Gu1,2,3, Nan Yan1,2,3, Zhikun Wu1,2,3

  • 1Key Laboratory of Materials Physics, Anhui Key Laboratory of Nanomaterials and Nanotechnology, CAS Center for Excellence in Nanoscience, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, P. R. China.

Accounts of chemical research
|February 17, 2026
PubMed
概括

金属纳米集群 (NCs) 由于深层组织透和高分辨率,对第二次近红外 (NIR-II) 光学成像非常有希望. 研究重点是它们的光发光 (PL) 机制,结构-PL相关性,以及用于先进生物传感应用的调方法.

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Photoluminescence: Applications01:14

Photoluminescence: Applications

Photoluminescence offers a wide range of applications due to its inherent sensitivity and selectivity. This technique allows for both direct and indirect analyses of the analyte. Direct quantitative analysis is possible when the analyte exhibits a favorable quantum yield for fluorescence or phosphorescence. However, an indirect analysis may be feasible if the analyte is not fluorescent or phosphorescent, or if the quantum yield is unfavorable. Indirect methods include reacting the analyte with...
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Photoluminescence is a process where a molecule absorbs light energy and re-emits it in the form of light. This phenomenon occurs when a substance absorbs photons, promoting its electrons to higher energy level excited states, followed by a relaxation process in which the electrons return to their original ground state energy levels and emit light. Photoluminescence is widely observed in various materials, including semiconductors, and organic and inorganic compounds.
A pair of electrons in a...
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