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Fabrication of a highly sensitive non-enzymatic electrochemical sensor for the detection of cholesterol is a challenging issue due to its low redox activity. In the present study, the electrochemical response of a novel combination of metal…

Instrumentation and Detectors · Physics 2022-09-28 Zahra Gholami Shiri , Seyed Mojtaba Zebarjad , Kamal Janghorban

Silicon nanochannel biological field effect transistors have been developed for glucose detection. The device is nanofabricated from a silicon-on-insulator wafer with a top-down approach and surface functionalized with glucose oxidase. The…

Biological Physics · Physics 2008-02-14 Xihua Wang , Yu Chen , Katherine A. Gibney , Shyamsunder Erramilli , Pritiraj Mohanty

A novel mediator-free, non-enzymatic electrochemical sensor, based on a graphene-Schottky junction, was fabricated for glucose detection. The sensor offers a promising alternative to the conventional enzyme-catalyzed electrochemical…

Chemical Physics · Physics 2015-09-09 Mohamed Serry , M. A. Sakr

This study proposes a novel design of glucose sensor with enhanced selectivity and sensitivity by using graphene Schottky diodes, which is composed of Graphene (G)/Platinum Oxide (PtO)/n-Silicon (Si) heterostructure. The sensor was tested…

Applied Physics · Physics 2020-01-01 Mahmoud A. Sakr , Karim Elgammal , Anna Delin , Mohamed Serry

Nanostructured transition metal oxides (TMO) are extensively explored materials for non-enzymatic glucose sensors. TMOs such as Iron oxides( {\alpha}-Fe2O3, {\gamma}-Fe2O3, Fe3O4, etc.), NiO, CuO, Cr2O3, etc. have been utilized as…

Materials Science · Physics 2026-01-27 Piyush Choudhary , Chhavi Chetiwal , Chandra Prakash , Vijay K. Singh , Ambesh Dixit

Glucose biosensors play an important role in the diagnosis and continued monitoring of the disease, diabetes mellitus. This report proposes the development of a novel enzymatic electrochemical glucose biosensor based on TiO$_2$ nanotubes…

N-graphdiyne monolayers, a set of carbon-nitride nanosheets, have been synthesized recently through the polymerization of triazine- and pyrazine-based monomers. Since the two-dimensional nano-structures are mainly composed of light-weight…

Computational Physics · Physics 2018-12-27 Meysam Makaremi , Bohayra Mortazavi , Timon Rabczuk , Geoffrey A. Ozin , Chandra Veer Singh

Glucose monitoring plays a critical role in managing diabetes, one of the most prevalent diseases globally. The development of fast-responsive, cost-effective, and biocompatible glucose sensors is essential for improving patient care. In…

Electrochemical biosensors and the related concept of redox detection at nanogap electrodes are increasingly explored for ultra-sensitive detection of biomolecules. While experimental demonstrations have been encouraging, the associated…

Biological Physics · Physics 2020-01-15 Sanjog V. Joshi , Pradeep R. Nair

Nickel-based layered double hydroxides (LDHs) are promising electrode materials in the fields of energy storage (supercapacitors) and conversion (urea oxidation). The rational construction of atomic and electronic structure is crucial for…

Applied Physics · Physics 2024-03-27 Yuchen Wang , Yaoyu Liu , Man Zhang , Biying Liu , Zhiyue Zhao , Kai Yan

Rational synthesis of robust layered double hydroxides (LDHs) nanosheets for high-energy supercapacitors is full of challenges. Herein, we reported an ultrasonication-assisted strategy to eco-friendly fabricate NiFe-LDHs nanosheets for the…

Applied Physics · Physics 2024-03-26 Yuchen Wang , Zuo Chen , Man Zhang , Yaoyu Liu , Huixia Luo , Kai Yan

Two dimensional (2D) materials exhibit superior properties in electronic and optoelectronic fields. The wide demand for high performance optoelectronic devices promotes the exploration of diversified 2D materials. Recently, 2D covalent…

Inspired by the dendritic integration and spiking operation of a biological neuron, flexible oxide-based neuron transistors gated by solid-state electrolyte films are fabricated on flexible plastic substrates for biochemical sensing…

Materials Science · Physics 2015-05-20 Ning Liu , Li Qiang Zhu , Ping Feng , Chang Jin Wan , Yang Hui Liu , Yi Shi , Qing Wan

This review provides a critical overview of current developments on nanoelectronic biochemical sensors based on graphene. Composed of a single layer of conjugated carbon atoms, graphene has outstanding high carrier mobility and low…

Materials Science · Physics 2020-12-14 Xiaoyan Zhang , Qiushi Jing , Shen Ao , Grégory F. Schneider , Dmitry Kireev , Zhengjun Zhang , Wangyang Fu

Biomonitoring wearable sensors based on two-dimensional nanomaterials have lately elicited keen research interest and potential for a new range of flexible nanoelectronic devices. Practical nanomaterial-based devices suited for real-world…

The achievement of all-fibre functional nano-modules for subcellular label-free measurement has long been pursued due to the limitations of manufacturing techniques. In this paper, a compact all-fibre label-free nano-sensor composed of a…

Glucose oxidation is a key reaction in biosensing and energy conversion, with anodized copper electrodes showing great potential as catalysts for its enhancement. This study explores the relationship between anodization parameters and…

The development of next generation medicines demand more sensitive and reliable label free sensing able to cope with increasing needs of multiplexing and shorter times to results. Field effect transistor-based biosensors emerge as one of…

Applied Physics · Physics 2019-05-22 Serena Rollo , Dipti Rani , Renaud Leturcq , Wouter Olthuis , César Pascual García

Alkoxide-intercalated NiFe-layered double hydroxides were synthesized via the nonaqueous methanolic route. These nanoplatelets exhibit high crystalline quality as demonstrated by atomic resolution scanning transmission electron microscopy…

Two-dimensional (2D) materials have been used extensively in various fields due to their unique physical and chemical properties. Among their diverse applications, field-effect transistor biosensors (bio-FETs) promise a brilliant prospect…

Medical Physics · Physics 2022-08-24 Foad Ghasemi , Abdollah Salimi
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