Collective activation of MRI agents via encapsulation and disease-triggered release.
Collective activation of MRI agents via encapsulation and disease-triggered release.
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DOI:
10.1021/ja403167p
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发表时间:
2013-05-29
影响因子:
15
通讯作者:
Almutairi, Adah
中科院分区:
文献类型:
--
作者:
Viger, Mathieu L.;Sankaranarayanan, Jagadis;Lux, Caroline de Gracia;Chan, Minnie;Almutairi, Adah
An activation mechanism based on encapsulated ultra-small gadolinium oxide nanoparticles (Gd oxide NPs) in bioresponsive polymer capsules capable of triggered release in response to chemical markers of disease (i.e., acidic pH, H2O2) is presented. Inside the hydrophobic polymeric matrices, the Gd oxide NPs are shielded from the aqueous environment, silencing their ability to enhance water proton relaxation. Upon disassembly of the polymeric particles, activation of multiple contrast agents generates a strong positive contrast enhancement of more than one order of magnitude.
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影响因子:
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作者:
Makadia HK;Siegel SJ
通讯作者:
Siegel SJ
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作者:
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