Development of Composite Iron Oxide Fluorescent Nanoparticles for Nondestructive Magnetic Particle Testing

被引：9

作者：

Muradova, A. G. ^{[1
]}

Al-hilali, H. ^{[1
]}

Nekhaevsky, I. S. ^{[1
]}

Sychev, N. E. ^{[1
]}

Sharapaev, A., I ^{[1
]}

Zaytseva, M. P. ^{[1
]}

Yurtov, E., V ^{[1
]}

Zaitsev, V. B. ^{[2
]}

Finko, A., V ^{[2
]}

机构：

[1] Mendeleev Univ Chem Technol Russia, Moscow 125047, Russia

[2] Moscow MV Lomonosov State Univ, Moscow 119991, Russia

来源：

NANOBIOTECHNOLOGY REPORTS | 2021年 / 16卷 / 04期

关键词：

SILICA NANOPARTICLES; HYBRID;

D O I：

10.1134/S2635167621040169

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A method has been developed for modifying the surface of iron oxide nanoparticles with a fluorescent dye based on fluorescein. It is shown that iron oxide nanoparticles chemically bind with a fluorescein derivative by means of preliminary surface modification with silicon dioxide. The composition and structure of the obtained composite nanoparticles have been confirmed by the IR, UV, and NMR spectroscopy, and TEM microscopy data. Composite nanoparticles based on nanoparticles of iron oxides and fluorescein have high sensitivity when visualizing microcracks in metal products by magnetic flaw detection.

引用

页码：497 / 504

页数：8

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