Noncovalent Functionalization of Disentangled Boron Nitride Nanotubes with Flavin Mononucleotides for Strong and Stable Visible-Light Emission in Aqueous Solution

被引：86

作者：

Gao, Zhenghong ^{[2
]}

Zhi, Chunyi ^{[3
]}

Bando, Yoshio ^{[3
]}

Golberg, Dmitri ^{[3
]}

Serizawa, Takeshi ^{[1
]}

机构：

[1] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538904, Japan

[2] Univ Tokyo, Grad Sch Engn, Dept Adv Interdisciplinary Studies, Meguro Ku, Tokyo 1538904, Japan

[3] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitecton MANA, Tsukuba, Ibaraki 3050044, Japan

来源：

ACS APPLIED MATERIALS & INTERFACES | 2011年 / 3卷 / 03期

关键词：

boron nitride nanotube; flavin mononucleotide; nanohybrid; functionalization; visible light emision; ABSORPTION;

D O I：

10.1021/am1010699

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Strong and stable visible-light-emitting boron nitride nanotube (BNNT)/biomolecule nanohybrids were successfully fabricated via noncovalent functionalization of BNNTs with flavin mononucleotides (FMN). Atomic force microscopy showed excellent dispersion of the nanohybrids in aqueous solution. Infrared absorption spectroscopy revealed strong pi-pi stacking interactions. between FMN and BNNT sidewalls. Importantly, the fluorescence spectra revealed that the nanohybrids were highly fluorescent in the visible-light spectral range. Moreover, this fluorescence had unique pH-dependent and thermally stable properties. These nanohybrids might be used to construct novel fluorescence imaging probes that function over a wide pH and temperature range.

引用

页码：627 / 632

页数：6

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