Dependence of pharmacokinetics and biodistribution on polymer architecture: effect of cyclic versus linear polymers.
Dependence of pharmacokinetics and biodistribution on polymer architecture: effect of cyclic versus linear polymers.
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DOI:
10.1021/ja900062u
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发表时间:
2009-03-25
影响因子:
15
通讯作者:
Szoka FC
中科院分区:
文献类型:
--
作者:
Nasongkla N;Chen B;Macaraeg N;Fox ME;Fréchet JM;Szoka FC
The ability of a polymer to reptate through a nanopore has an influence on its circulatory half-life and biodistribution since many physiological barriers contain nanopores. A cyclic polymer lacks chain ends, therefore, cyclic polymers with a MW above the renal threshold for elimination should circulate longer than their linear polymer counterparts when injected into animals. As predicted, radiolabeled cyclic polymers with MW above the renal threshold have a longer blood circulation time in mice compared to linear polymers of comparable MW.
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