New Nanomedicine Approaches Using Gold-thioguanine Nanoconjugates as Metallo-ligands.

New Nanomedicine Approaches Using Gold-thioguanine Nanoconjugates as Metallo-ligands.
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DOI:
10.1016/j.ica.2011.01.065
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发表时间:
2011-06-15
影响因子:
2.8
通讯作者:
Kannan R
Kannan R
中科院分区:
化学3区
文献类型:
--
作者:
Sleightholm L;Zambre A;Chanda N;Afrasiabi Z;Katti K;Kannan R

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合成了尺寸为3-4 nm的金-硫代鸟嘌呤纳米缀合物(AuNP-TG),并且使用氰化物消化法估计金与6-硫代鸟嘌呤(TG)之间的比例为~1:1.5,并通过火焰原子吸收光谱分析证实。AuNP-TG构建体在不同pH条件和生物相关溶液下显示出24小时的高体外稳定性。AuNP-TG与铕盐或铂盐的反应导致形成有组织的自组装金属网络。
Gold-thioguanine nanoconjugates (AuNP-TG) of size 3–4 nm were synthesized and the ratio between gold and 6-Thioguanine (TG) was estimated as ~1:1.5 using a cyanide digestion method and confirmed by flame atomic absorption spectroscopic analysis. AuNP-TG constructs showed high in vitro stability under different pH conditions and biologically relevant solutions for a period of 24 hours. Reaction of AuNP-TG with europium or platinum salts resulted in the formation of organized self-assembled metallo-networks.
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