通过金纳米颗粒实现CdS:Mn纳米晶体薄膜电化学发光的距离依赖性猝灭和增强，用于DNA的高灵敏度检测。
Distance-dependent quenching and enhancing of electrochemiluminescence from a CdS:Mn nanocrystal film by Au nanoparticles for highly sensitive detection of DNA.
作者信息
Shan Yun, Xu Jing-Juan, Chen Hong-Yuan
机构信息
Key Lab of Analytical Chemistry for Life Science (MOE of China), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China.
出版信息
Chem Commun (Camb). 2009 Feb 28(8):905-7. doi: 10.1039/b821049g. Epub 2009 Jan 16.
The quenching of electrochemiluminescence (ECL) from a CdS:Mn nanocrystal film by proximal Au nanoparticles was observed as a result of Förster energy transfer, while an enhancement of ECL takes place after hybridization with target DNA due to the energy transfer of ECL excited surface plasmon resonances in AuNPs to the CdS:Mn NCs at large separation, based on which an ultrasensitive and specific DNA biosensor was constructed.
由于Förster能量转移，观察到近邻金纳米颗粒使硫化镉:锰纳米晶体薄膜的电化学发光（ECL）猝灭，而与靶DNA杂交后，由于在较大间距下金纳米颗粒中ECL激发的表面等离子体共振向硫化镉:锰纳米晶的能量转移，ECL增强，基于此构建了一种超灵敏且特异的DNA生物传感器。
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