Aptamer nano-flares for molecular detection in living cells.

Aptamer nano-flares for molecular detection in living cells.
复制标题

DOI:
10.1021/nl901517b
复制
发表时间:
2009-09
期刊:
影响因子:
10.8
通讯作者:
Mirkin CA
Mirkin CA
中科院分区:
材料科学1区
文献类型:
--
作者:
Zheng D;Seferos DS;Giljohann DA;Patel PC;Mirkin CA

文献摘要

参考文献

被引文献

相似文献

我们展示了一种复合纳米材料,称为适体纳米耀斑,可以直接量化活细胞中的细胞内分析物。适体纳米耀斑由金纳米颗粒核心组成,该核心用对三磷酸腺苷(ATP)具有高亲和力的核酸适体的致密单层功能化。探针选择性地结合靶分子并释放指示分析物存在的荧光报告物。此外,这些纳米缀合物容易被细胞吸收,其中它们的信号强度可用于定量细胞内分析物浓度。这些纳米缀合物是用于其他小分子或蛋白质的细胞内定量的有前途的方法,或者作为使用适体结合来引发生命系统中的生物反应的试剂。
We demonstrate a composite nanomaterial, termed an aptamer nano-flare, that can directly quantify an intracellular analyte in a living cell. Aptamer nano-flares consist of a gold nanoparticle core functionalized with a dense monolayer of nucleic acid aptamers with a high affinity for adenosine triphosphate (ATP). The probes bind selectively to target molecules and release fluorescent reporters which indicate the presence of the analyte. Additionally, these nanoconjugates are readily taken up by cells where their signal intensity can be used to quantify intracellular analyte concentration. These nanoconjugates are a promising approach for the intracellular quantification of other small molecules or proteins, or as agents that use aptamer binding to elicit a biological response in living systems.
DOI: 10.1016/j.bios.2008.03.013
发表时间: 2008-09-15
影响因子: 12.6
作者:
Chen, Ji-Wei;Liu, Xue-Ping;Yu, Ru-Qin
通讯作者: Yu, Ru-Qin
DOI: 10.1021/bp980097h
发表时间: 1998-11-01
影响因子: 2.9
作者:
Cox, JC;Rudolph, P;Ellington, AD
通讯作者: Ellington, AD
DOI: 10.1038/nbt0597-427
发表时间: 1997-05-01
影响因子: 46.9
作者:
Breaker, RR
通讯作者: Breaker, RR
DOI: 10.1038/355850a0
发表时间: 1992-02-27
期刊: NATURE
影响因子: 64.8
作者:
ELLINGTON, AD;SZOSTAK, JW
通讯作者: SZOSTAK, JW
DOI: 10.1016/j.bbabio.2004.05.007
发表时间: 2004-07-23
影响因子: 4.3
作者:
Izyumov, DS;Avetisyan, AV;Skulachev, VP
通讯作者: Skulachev, VP