Monitoring of the Natural Excretion of YVO4:Yb, Er Upconversion Nanoparticles from a Land Snail

被引：0

作者：

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

Nikiforov, V. G. ^{[1
]}

Zharkov, D. K. ^{[1
]}

Andrianov, V. V. ^{[1
,2
]}

Muranova, L. N. ^{[2
]}

Leont'ev, A., V ^{[1
]}

Gainutdinov, Kh L. ^{[1
,2
]}

Lobkov, V. S. ^{[1
]}

Alkahtani, M. H. ^{[3
]}

Hemmer, Ph R. ^{[1
,4
]}

机构：

[1] Russian Acad Sci, Kazan Sci Ctr, Kazan Inst Phys & Technol, Fed Res Ctr,Separate Struct Subdiv, Kazan 420034, Russia

[2] Kazan Volga Reg Fed Univ, Kazan 420008, Russia

[3] King Abdulaziz City Sci & Technol, Natl Ctr Laser Technol & Optoelect, Riyadh, Saudi Arabia

[4] Texas A&M Univ, Inst Quantum Sci & Engn, Dept Phys & Astron, College Stn, TX 77843 USA

来源：

TECHNICAL PHYSICS | 2022年 / 67卷 / 04期

基金：

俄罗斯基础研究基金会;

关键词：

upconversion; oxide nanoparticles; rare-earth ions; confocal microscopy; land snail; CATIONIC IRIDIUM(III) COMPLEXES; QUANTUM DOTS; CYTOTOXICITY; CELLS;

D O I：

10.1134/S1063784222050097

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A method for the preparation of samples from a biological material for the detection of upconversion nanoparticles (UNPs) contained in it is proposed on the basis of confocal microscopy techniques. The method was tested by monitoring the natural excretion of an injected colloidal solution of YVO4:Yb, Er nanoparticles with sizes from 10 to 700 nm (0.2 mL, containing 15 mg UNPs and with a dosage of 600 mg/kg) into the body of Helix lucorum. The experiments showed that the animal excreted the nanoparticles from the body in a natural way within 3 days, while the excretion rate decreased over time. The sensitivity threshold in the experiments was one nanoparticle per 1 mu L.

引用

页码：283 / 288

页数：6

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