Fast catalytic and electrocatalytic oxidation of sodium borohydride on palladium nanoparticles and its application to ultrasensitive DNA detection

被引:28
作者
Das, Jagotamoy [1 ,2 ]
Kim, Heonjo [3 ]
Jo, Kyungmin [1 ,2 ]
Park, Kang Hyun [1 ,2 ]
Jon, Sangyong [4 ]
Lee, Kwangyeol [3 ]
Yang, Haesik [1 ,2 ]
机构
[1] Pusan Natl Univ, Dept Chem, Pusan 609735, South Korea
[2] Pusan Natl Univ, Chem Inst Funct Mat, Pusan 609735, South Korea
[3] Korea Univ, Dept Chem, Seoul 136701, South Korea
[4] Gwangju Inst Sci & Technol, Dept Life Sci, Kwangju 500712, South Korea
基金
新加坡国家研究基金会;
关键词
CONJUGATED GOLD NANOPARTICLES; HYDROGEN-LOADED PALLADIUM; ELECTROCHEMICAL DETECTION; PROTEINS; LABELS; AMPLIFICATION; ENHANCEMENT; HYDROLYSIS; ELECTRODES; REDUCTION;
D O I
10.1039/b912450k
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We report an ultrasensitive DNA sensor using the rapid enhancement of electrocatalytic activity of DNA-conjugated Pd nanoparticles (NPs); the rapid enhancement results from the fast catalytic hydrolysis of NaBH4 on Pd NPs and subsequent fast hydrogen sorption into Pd NPs.
引用
收藏
页码:6394 / 6396
页数:3
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