Silicon-Vacancy Nanodiamonds as High Performance Near-Infrared Emitters for Live-Cell Dual-Color Imaging and Thermometry

被引：43

作者：

Liu, Weina ^{[1
,2
,3
]}

Alam, Md Noor A. ^{[1
,2
]}

Liu, Yan ^{[4
,5
]}

Agafonov, Viatcheslav N. ^{[6
]}

Qi, Haoyuan ^{[7
,8
]}

Koynov, Kaloian ^{[1
]}

Davydov, Valery A. ^{[9
]}

Uzbekov, Rustem ^{[10
]}

Kaiser, Ute ^{[7
]}

Lasser, Theo ^{[1
]}

Jelezko, Fedor ^{[5
]}

Ermakova, Anna ^{[1
,11
]}

Weil, Tanja ^{[1
,2
]}

机构：

[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[2] Ulm Univ, Inst Inorgan Chem 1, D-89081 Ulm, Germany

[3] Ecole Polytech Fed Lausanne, Inst Mat, CH-1015 Lausanne, Switzerland

[4] Beijing Acad Quantum Informat Sci, Beijing 100193, Peoples R China

[5] Ulm Univ, Inst Quantum Opt, D-89081 Ulm, Germany

[6] Univ Tours, UMR CNRS 7347, GREMAN, F-37200 Tours, France

[7] Ulm Univ, Cent Facil Electron Microscopy, D-89081 Ulm, Germany

[8] Tech Univ Dresden, Ctr Adv Elect Dresden Cfaed & Food Chem, D-01069 Dresden, Germany

[9] Russian Acad Sci, LF Vereshchagin Inst High Pressure Phys, Moscow 108840, Russia

[10] Univ Tours, Fac Med, Lab Biol Cellulaire & Microscopie Elect, F-37032 Tours, France

[11] Johannes Gutenberg Univ Mainz, Inst Phys, D-55128 Mainz, Germany

来源：

NANO LETTERS | 2022年 / 22卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

Nanodiamond; silicon vacancy color center; near-infrared cellular imaging; live cell particle tracking; thermometry; FLUORESCENCE CORRELATION SPECTROSCOPY; DIAMOND; HYDROCARBON; CHEMISTRY; MIXTURES; CENTERS; SURFACE;

D O I：

10.1021/acs.nanolett.2c00040

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nanodiamonds (NDs) with color centers are excellent emitters for various bioimaging and quantum biosensing applications. In our work, we explore new applications of NDs with silicon-vacancy centers (SiV) obtained by high-pressure high-temperature (HPHT) synthesis based on metal-catalyst-free growth. They are coated with a polypeptide biopolymer, which is essential for efficient cellular uptake. The unique optical properties of NDs with SiV are their high photostability and narrow emission in the near-infrared region. Our results demonstrate for the first time that NDs with SiV allow live-cell dual-color imaging and intracellular tracking. Also, intracellular thermometry and challenges associated with SiV atomic defects in NDs are investigated and discussed for the first time. NDs with SiV nanoemitters provide new avenues for live-cell bioimaging, diagnostic (SiV as a nanosized thermometer), and theranostic (nanodiamonds as drug carrier) applications.

引用

页码：2881 / 2888

页数：8

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