Journal
CARBON
Volume 137, Issue -, Pages 343-348Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2018.05.044
Keywords
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Funding
- Stiftelsen Olle Engkvist Byggmastare
- Chalmers Area of Advance Life Science Engineering
- Chalmers Graphene Center
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A novel graphene-based glucose sensor-design is formulated and explored in silico. An ad hoc host molecule is tailored to bind to glucose by multiple hydrogen bonds. A pyridinic core is chosen for this receptor in order to allow for socket-plug dative bonding to boron sites of boron doped graphene. The modeling employs DFT (Density Functional Theory) together with an effective aqueous environment to take into account the solvation effect. High selectivity is demonstrated for the suggested host molecule towards glucose as compared to other possible competitors in blood such as fructose, biotin and ascorbic acid. A route to achieve improved sensitivity, exploiting the hydrophilic/ hydrophobic properties of the host thorn glucose system for enhanced selective binding to the hydrophobic boron doped graphene support is discussed. (c) 2018 Elsevier Ltd. All rights reserved.
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