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细菌磁小体——MPI 示踪剂研究中大自然的有力贡献。

Bacterial magnetosomes - nature's powerful contribution to MPI tracer research.

机构信息

nanoPET Pharma GmbH, Robert-Koch-Platz 4, 10115 Berlin, Germany.

出版信息

Nanoscale. 2017 May 11;9(18):5788-5793. doi: 10.1039/c7nr01530e.

DOI:10.1039/c7nr01530e
PMID:28447690
Abstract

The magnetic particle spectrum (MPS) of bacterial magnetosomes, isolated from Magnetospirillum gryphiswaldense, is measured and compared to that of the current "gold standard", Resovist®. It is shown that the amplitudes of the magnetosomes' harmonics by far exceed that of Resovist®; the amplitude of the third harmonic is higher by a factor of 7, and is the highest value obtained for iron oxide nanoparticles to date.

摘要

从食铁磁小体菌(Magnetospirillum gryphiswaldense)中分离出的磁性粒子谱(MPS)进行了测量,并与当前的“金标准”Resovist®进行了比较。结果表明,磁小体的各次谐波的幅度远远超过 Resovist®;三阶谐波的幅度高出 7 倍,是迄今为止获得的氧化铁纳米粒子的最高值。

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