Analyst (Cambridge UK) 2015-06-07

Real-time monitoring of H2O2 release from single cells using nanoporous gold microelectrodes decorated with platinum nanoparticles.

Chong Xiao, Yan-Ling Liu, Jia-Quan Xu, Song-Wei Lv, Shan Guo, Wei-Hua Huang

文献索引：Analyst 140 , 3753-8, (2015)

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摘要

Here, we report a self-supported nanoporous gold microelectrode decorated with well-dispersed and tiny platinum nanoparticles as an electrochemical nonenzymatic hydrogen peroxide biosensor. Nanoporous gold was fabricated by electrochemical alloying/dealloying and then small-sized platinum nanoparticles were electrodeposited uniformly on them. This novel hybrid nanostructure endows the sensor with high sensitivity and selectivity towards the reduction of hydrogen peroxide with a low detection limit of 0.3 nM. The sensor has been successfully applied for the measurement of H2O2 release from a single isolated human breast cancer cell, demonstrating its great potential for further physiological and pathological applications.

相关化合物

  • 硫酸
  • 半胱胺盐酸盐
  • 6-苄氨基嘌呤 盐酸...
  • 12-O-十四烷酰佛波...
  • 苯甲醇

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