Deep penetration of a PDT drug into tumors by noncovalent drug-gold nanoparticle conjugates.
Deep penetration of a PDT drug into tumors by noncovalent drug-gold nanoparticle conjugates.
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DOI:
10.1021/ja108846h
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发表时间:
2011-03-02
影响因子:
15
通讯作者:
Burda C
中科院分区:
文献类型:
--
作者:
Cheng Y;Meyers JD;Broome AM;Kenney ME;Basilion JP;Burda C
Efficient drug delivery to tumors is of ever increasing importance. Single-visit diagnosis and treatment sessions are the goal of future theranostics. In this paper, a non-covalent PDT cancer drug-gold nanoparticle (Au NP) conjugate system performed a rapid drug release and deep penetration of the drug into tumors within hours. The drug delivery mechanism of the PDT drug through Au NPs into tumors by passive accumulation was investigated via fluorescence imaging, elemental analysis, and histological staining. The pharmacokinetics of the conjugates over a 7 day test period showed fast drug excretion, as monitored via the fluorescence of the drug in urine. Moreover, the biodistribution of Au NPs in this study period indicated clearance of the NPs from the mice. This study suggests that the non-covalent delivery via Au NPs provides an attractive approach for cancer drugs to penetrate deep into the center of tumors.
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影响因子:
15
作者:
Agasti SS;Chompoosor A;You CC;Ghosh P;Kim CK;Rotello VM
通讯作者:
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DOI:
10.1016/s1011-1344(02)00241-5
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