Bio-functionalized water-soluble ZnS quantum dots using carboxymethylchitosan

被引：0
|
作者：
Mansur, A. A. P. [1 ]
Mansur, H. S. [1 ]
Borsagli, F. G. L. M. [1 ]
Ramanery, F. P. [1 ]
机构：
[1] Univ Fed Minas Gerais, Dept Met & Mat Engn, Ctr Nanosci Nanotechnol & Innovat CeNano2I, Sch Engn, BR-31270901 Belo Horizonte, MG, Brazil
来源：
INTERNATIONAL CONFERENCE ON SOLID FILMS AND SURFACES (ICSFS 2014) | 2015年 / 76卷
关键词：
NANOMEDICINE;
D O I：
10.1088/1757-899X/76/1/012005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The major goal of this study was to develop an innovative green route for synthesizing biocompatible water-soluble luminescent QDs using chemically modified chitosan as the ligand in aqueous media. The preparation of ZnS QDs bio-functionalized by carboxymethylchitosan (CMC) was performed using a single-step aqueous colloidal process at room temperature. The results showed that water-dispersible ZnS nanocrystals capped by CMC were produced within the quantum-size confinement regime. Moreover, the luminescent properties of ZnS QDs were significantly affected by the pH during the synthesis due to the size distribution of the nanoparticles and their density of surface states.
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页数：5
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