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探索纳米磁铁矿中钆(III)对铁(III)的取代作用。

Exploring the Substitution of Fe(III) by Gd(III) in Nanomagnetite.

作者信息

Guida Carolina, Chappaz Anthony, Poulain Agnieszka, Grenèche Jean-Marc, Gloter Alexandre, Menguy Nicolas, Findling Nathaniel, Charlet Laurent

机构信息

ISTerre, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IRD, Univ. Gustave Eiffel, Grenoble 38058, France.

STARLAB, Dept. of Earth & Atmospheric Sciences, Central Michigan University, Mount Pleasant, Michigan 48859, United States.

出版信息

ACS Nanosci Au. 2024 Sep 3;4(5):322-326. doi: 10.1021/acsnanoscienceau.4c00032. eCollection 2024 Oct 16.

DOI:10.1021/acsnanoscienceau.4c00032
PMID:39430374
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11487657/
Abstract

A promising superparamagnetic nanomagnetite dipped with Gd was synthesized for possible medical applications. Its size and morphology are independent of Gd content ranging from 1 to 5%. Gadolinium (III) replaced Fe(III) in the lattice. The sizes of Gd-doped nanoparticles ranged from 5 to 50 nm and exhibited a pure magnetite mineralogical phase.

摘要

一种浸渍钆(Gd)的、有前景的超顺磁性纳米磁铁矿被合成出来,用于可能的医学应用。其尺寸和形态与钆含量(1%至5%)无关。钆(III)在晶格中取代了铁(III)。钆掺杂纳米颗粒的尺寸在5至50纳米之间,并呈现出纯磁铁矿矿物相。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/2cf8fa11dca9/ng4c00032_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/9a5ceb785ddc/ng4c00032_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/819be1f8d161/ng4c00032_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/25d417bf662f/ng4c00032_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/2cf8fa11dca9/ng4c00032_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/9a5ceb785ddc/ng4c00032_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/819be1f8d161/ng4c00032_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/25d417bf662f/ng4c00032_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fd51/11487657/2cf8fa11dca9/ng4c00032_0004.jpg

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Anthropogenic gadolinium in freshwater and drinking water systems.
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Curr Opin Chem Biol. 2018 Aug;45:121-130. doi: 10.1016/j.cbpa.2018.04.006. Epub 2018 May 9.
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