A novel molecularly imprinted electrochemical sensor based on graphene quantum dots coated on hollow nickel nanospheres with high sensitivity and selectivity for the rapid determination of bisphenol S Original Research Article Biosensors and Bioelectronics, Available online 15 September 2017, Pages Hanbing Rao, Xun Zhao, Xin Liu, Ji Zhong, Zhaoyi Zhang, Ping Zou, Yuanyuan Jiang, Xianxiang Wang, Yanying Wang | Enhanced interaction of nickel clusters with pyridinic-N (B) doped graphene using DFT simulation Original Research Article Computational and Theoretical Chemistry, Available online 15 September 2017, Pages Xuan Zhou, Wei Chu, Wenjing Sun, Yanan Zhou, Ying Xue
Graphical abstractSchematic drawings of Ni4 cluster supported on pristine graphene and pyridinic B- or N-doped graphene were supposed. The adsorption energy indicated that pyridinic B- or N-doped can promote the interaction between Ni4 cluster and graphene substrates.

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