Magnetic Force Microscopy of an Oxygen‐Sensing Spin‐Probe

Magnetic Force Microscopy of an Oxygen‐Sensing Spin‐Probe
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氧传感自旋探针的磁力显微镜

DOI:
10.1560/ijc.48.1.33
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发表时间:
2008
影响因子:
3.2
通讯作者:
G. Agarwal
G. Agarwal
中科院分区:
化学3区
文献类型:
--
作者:
M. Savla;R. P. Pandian;P. Kuppusamy;G. Agarwal

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在目前的工作中,我们提供了磁力显微镜(MFM)分析的顺磁性自旋探针锂八正丁氧基萘菁(LiNc-BuO)用于EPR血氧测定的颗粒。我们演示了如何MFM可以在周围空气中的LiNc-BuO颗粒,当它们组装成结构的大小>50 nm的磁对比度。当组装成尺寸<10 nm的颗粒时,相同的样品在MFM图像中未能显示出对比度。利用MFM了解生物样品中的顺磁性纳米粒子的磁签名的潜力进行了讨论。
In the present work we provide magnetic force microscopy (MFM) analysis on particles of a paramagnetic spin-probe lithium octa-n-butoxy-naphthalo-cyanine (LiNc-BuO) used for EPR oximetry. We demonstrate how MFM can generate a magnetic contrast in ambient air for LiNc-BuO particles when they assemble into structures >50 nm in size. The same sample when assembled into particles <10 nm in size failed to show contrast in MFM images. The potential for utilizing MFM to understand the magnetic signature of paramagnetic nanoparticles in biological samples is discussed.
用新型氧传感旋转探针标记骨骼肌母细胞,用于无创监测心脏原位氧合和细胞治疗。
DOI: 10.1152/ajpheart.01058.2006
发表时间: 2007
期刊: American journal of physiology. Heart and circulatory physiology
影响因子: --
作者:
Wisel,Sheik;Chacko,SimiM;Kuppusamy,MLakshmi;Pandian,RamasamyP;Khan,Mahmood;Kutala,VijayKumar;Burry,RichardW;Sun,Benjamin;Kwiatkowski,Pawel;Kuppusamy,Periannan
通讯作者: Kuppusamy,Periannan