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Issue 14, 2018
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A facile modular approach to the 2D oriented assembly MOF electrode for non-enzymatic sweat biosensors

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Abstract

The preparation of ordered metal organic frameworks (MOFs) will be a critical process for MOF-based nanoelectrodes in the future. In this work, we develop a novel approach to fabricating a type of MOF electrode based on flexible amino-functionalized graphene paper modified with 2D oriented assembly of Cu3(btc)2 nanocubes via facile interfacial synthesis and an effective dip-coating method. One interesting finding is that 2D arrays of Cu3(btc)2 nanocubes at oil–water interfaces can be transferred on amino-functionalized graphene paper, leading to a densely packed monolayer of Cu3(btc)2 nanocubes with a uniform size loaded on the paper electrode. The electrode demonstrates a variety of excellent sensing performances toward sweat lactate and glucose and has been applied in a non-enzymatic electrochemical biosensing platform for the first time. The modular nature of this approach to assembling MOF nanocrystals will provide new insight into the design of MOF-based electrodes for a wide range of applications in biosensing instruments, wearable electronics, and lab-on-a-chip devices.

Graphical abstract: A facile modular approach to the 2D oriented assembly MOF electrode for non-enzymatic sweat biosensors

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Publication details

The article was received on 29 Jan 2018, accepted on 05 Mar 2018 and first published on 05 Mar 2018


Article type: Paper
DOI: 10.1039/C8NR00798E
Citation: Nanoscale, 2018,10, 6629-6638
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    A facile modular approach to the 2D oriented assembly MOF electrode for non-enzymatic sweat biosensors

    Z. Wang, M. Gui, M. Asif, Y. Yu, S. Dong, H. Wang, W. Wang, F. Wang, F. Xiao and H. Liu, Nanoscale, 2018, 10, 6629
    DOI: 10.1039/C8NR00798E

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