Highly Fluorescent Silica-Coated Bismuth-Doped Aluminosilicate Nanoparticles for Near-Infrared Bioimaging

被引：59

作者：

Sun, Hong-Tao ^{[1
]}

Yang, Junjie ^{[2
,3
]}

Fujii, Minoru ^{[4
]}

Sakka, Yoshio ^{[5
]}

Zhu, Yufang ^{[1
]}

Asahara, Takayuki ^{[2
]}

Shirahata, Naoto ^{[5
]}

Ii, Masaaki ^{[2
]}

Bai, Zhenhua ^{[4
]}

Li, Ji-Guang ^{[5
]}

Gao, Hong ^{[1
]}

机构：

[1] Natl Inst Mat Sci, ICYS, Tsukuba, Ibaraki 305047, Japan

[2] RIKEN, Ctr Dev Biol, Inst Biomed Res & Innovat, Kobe, Hyogo 6500047, Japan

[3] Osaka Univ, Grad Sch Med, Dept Surg, Div Cardiovasc Surg, Suita, Osaka 5650871, Japan

[4] Kobe Univ, Dept Elect & Elect Engn, Kobe, Hyogo 6578501, Japan

[5] Natl Inst Mat Sci, Nano Ceram Ctr, Tsukuba, Ibaraki 3050047, Japan

来源：

SMALL | 2011年 / 7卷 / 02期

关键词：

QUANTUM DOTS; PHOTOLUMINESCENCE; MICROSCOPY; ZEOLITES; SPHERES;

D O I：

10.1002/smll.201001011

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The combined advantages of bismuth and aluminosilicates lead to a new type of nanosized biolabel. The near-infrared (NIR)-emitting silica-coated bismuth-doped aluminosilicate nanoparticles are simple to prepare and exhibit a broad excitation band in the first biological window, efficient long-lived photoluminescence (PL) covering the second window, high photostability, low cytotoxicity, and easy penetration into living tissues. In vivo PL bioimaging and decay are tested in living mice. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：199 / 203

页数：5

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