Chitosan nanocomposites with CdSe/ZnS quantum dots and porphyrin

被引：15
|
作者：
Sewid, F. A. [1 ,2 ]
Annas, K., I [1 ]
Dubavik, A. [1 ]
Veniaminov, A. V. [1 ]
Maslov, V. G. [1 ]
Orlova, A. O. [1 ]
机构：
[1] ITMO Univ, St Petersburg 197101, Russia
[2] Mansoura Univ, Fac Sci, Mansaura, Egypt
来源：
RSC ADVANCES | 2021年 / 12卷 / 02期
关键词：
ENERGY-TRANSFER; PHOTODYNAMIC THERAPY; OPTICAL-PROPERTIES; IN-VITRO; NANOPARTICLES; OXYGEN; CANCER; PHOTOCHEMISTRY; GENERATION; COMPLEXES;
D O I：
10.1039/d1ra08148a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Water-soluble nanocomposites based on CdSe/ZnS quantum dots (QDs) and hydrophobic tetraphenylporphyrin (TPP) molecules passivated by chitosan (CS) have been formed. Magnetic circular dichroism (MCD) spectra evidence TPP presence in both monomeric and agglomerated forms in the nanocomposites. The nanocomposites demonstrate more pronounced singlet oxygen generation compared to free TPP in CS at the same concentration due to the intracomplex Forster resonance energy transfer (FRET) with a 45% average efficiency.
引用
收藏
页码：899 / 906
页数：8
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