Patent
Graphene nanomesh based charge sensor
Ali Afzali-Ardakani,Shu-Jen Han,Amal Kasry,Ahmed A. Maarouf,Glenn J. Martyna,Razvan A. Nistor,Hsinyu Tsai +6 more
TLDR
In this paper, a method for generating multiple holes in graphene in a periodic way to create a graphene nanomesh with a patterned array of multiple holes, passivating an edge of each of the multiple holes of the graphene nanomeh to allow for functionalization of the graphite, and functionalizing the passivated edge of a single hole with a chemical compound that facilitates chemical binding of a receptor of a target molecule to the edge of one or more of the holes.Abstract:
A graphene nanomesh based charge sensor and method for producing a graphene nanomesh based charge sensor. The method includes generating multiple holes in graphene in a periodic way to create a graphene nanomesh with a patterned array of multiple holes, passivating an edge of each of the multiple holes of the graphene nanomesh to allow for functionalization of the graphene nanomesh, and functionalizing the passivated edge of each of the multiple holes of the graphene nanomesh with a chemical compound that facilitates chemical binding of a receptor of a target molecule to the edge of one or more of the multiple holes, allowing the target molecule to bind to the receptor, causing a charge to be transferred to the graphene nanomesh to produce a graphene nanomesh based charge sensor for the target molecule.read more
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References
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Journal ArticleDOI
Nitrogen-Doped Graphene and Its Application in Electrochemical Biosensing
TL;DR: A facile strategy to prepare N-doped graphene by using nitrogen plasma treatment of graphene synthesized via a chemical method is reported, which has displayed high electrocatalytic activity for reduction of hydrogen peroxide and fast direct electron transfer kinetics for glucose oxidase.
Journal ArticleDOI
Charged-impurity scattering in graphene
Jian-Hao Chen,Chaun Jang,Shaffique Adam,Michael S. Fuhrer,Ellen D. Williams,Masa Ishigami,Masa Ishigami +6 more
TL;DR: In this paper, a systematic study of the influence of scattering from impurities on the peculiar electronic properties of graphene is conducted by monitoring changes in electronic characteristics of initially clean graphene, by depositing potassium atoms onto its surface in ultrahigh vacuum.
Journal ArticleDOI
Graphene antidot lattices: designed defects and spin qubits.
Thomas Garm Pedersen,Christian Flindt,Christian Flindt,Jesper Pedersen,Niels Asger Mortensen,Antti-Pekka Jauho,Antti-Pekka Jauho,Kjeld Møller Pedersen +7 more
TL;DR: A detailed study of the energetics of periodic graphene antidot lattices is presented, the level structure of a single defect is analyzed, the exchange coupling between a pair of spin qubits is calculated, and possible avenues for further developments are identified.
Journal ArticleDOI
Boronic acid building blocks: tools for sensing and separation
TL;DR: In this article, the use of boronic acids to monitor, identify and isolate analytes within physiological, environmental and industrial scenarios is discussed, as such they have been exploited in sensing and separation protocols for diol appended molecules such as saccharides and anions alike.
Journal ArticleDOI
Enzyme-Doped Graphene Nanosheets for Enhanced Glucose Biosensing
TL;DR: In this article, a polypyrrole−graphene−glucose oxidase based enzymatic biosensors employed for in vitro electrochemical glucose detection was reported, where the presence of various reactive functionalities such as ketonic, quinonic and carboxylic functional groups on the edge plane of graphene easily binds with the free amine terminals of the glucose oxidase to result in a strong covalent amide linkage.