Sensitive SERS nanotags for use with 1550 nm (retina-safe) laser excitation

Sensitive SERS nanotags for use with 1550 nm (retina-safe) laser excitation
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DOI:
10.1039/c5an02662h
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发表时间:
2016-01-01
期刊:
影响因子:
4.2
通讯作者:
Graham, Duncan
Graham, Duncan
中科院分区:
化学2区
文献类型:
--
作者:
Kearns, Hayleigh;Bedics, Matthew A.;Graham, Duncan

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硫属吡喃鎓纳米标签通过视网膜安全的 1550 nm 激光激发表现出前所未有的 SERS 性能。这些独特的纳米标签由硫属吡喃鎓染料和 100 nm 金纳米颗粒组成,可产生出色的 SERS 信号,在这种极度红移且人眼安全的激光激发下获得皮摩尔检测限。
Chalcogenopyrylium nanotags demonstrate an unprecedented SERS performance with a retina safe, 1550 nm laser excitation. These unique nanotags consisting of chalcogenopyrylium dyes and 100 nm gold nanoparticles produce exceptional SERS signals with picomolar detection limits obtained at this extremely redshifted and eye-safe laser excitation.