共 28 条
Oligonucleotide loading determines cellular uptake of DNA-modified gold nanoparticles
被引:463
作者:

Giljohann, David A.
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Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA

Seferos, Dwight S.
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Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA

Patel, Pinal C.
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Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA

Millstone, Jill E.
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Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA

Rosi, Nathaniel L.
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Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA

Mirkin, Chad A.
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Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA
机构:
[1] Northwestern Univ, Inst Nanotechnol, Dept Chem, Evanston, IL 60208 USA
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D O I:
10.1021/nl072471q
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
The cellular internalization of oligonucleotide-modified nanoparticles is investigated. Uptake is dependent on the density of the oligonucleotide loading on the surface of the particles, where higher densities lead to greater uptake. Densely functionalized nanoparticles adsorb a large number of proteins on the nanoparticle surface. Nanoparticle uptake is greatest where a large number of proteins are associated Ali the particle.
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页码:3818 / 3821
页数:4
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