Journal ArticleDOI
NiO nanoparticle-based urea biosensor.
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TLDR
The high catalytic activity, along with the redox behaviour of NiO-NPs, makes it an efficient matrix for the realisation of a urea biosensor.About:
This article is published in Biosensors and Bioelectronics.The article was published on 2013-03-15. It has received 153 citations till now. The article focuses on the topics: Urease & Urea.read more
Citations
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Journal ArticleDOI
Ni3N/NF as Bifunctional Catalysts for Both Hydrogen Generation and Urea Decomposition.
Shengnan Hu,Chuanqi Feng,Shiquan Wang,Jianwen Liu,Huimin Wu,Lei Zhang,Lei Zhang,Jiujun Zhang +7 more
TL;DR: The results show that the Ni3N/NF catalyst is superior to precious metals, and the cell voltage of Pt/C∥IrO2 is 1.60 V, indicating that the nickel nitride bead-like nanospheres array supported on Ni foam has superior catalytic activity/stability.
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Nickel/cobalt oxide-decorated 3D graphene nanocomposite electrode for enhanced electrochemical detection of urea
TL;DR: The NiCo2O4/3D graphene nanocomposite sensor demonstrates feasibility for urea analysis in urine samples and exhibited high stability with a sensitivity decrease of only 5.5% after four months of storage in ambient conditions.
Journal ArticleDOI
Flower-like ZnO nanostructure based electrochemical DNA biosensor for bacterial meningitis detection
TL;DR: Results emphasise that the fabricated flower-like ZnO nanostructures offer a useful platform for the immobilization of DNA molecules and could be exploited for efficient detection of complementary target single stranded DNA corresponding to N. meningitides.
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Enzymatic biosensors based on the use of metal oxide nanoparticles
TL;DR: A review of the progress made in enzymatic biosensors based on the use of metal oxide nanoparticles can be found in this article, where the authors discuss strategies for immobilization and functions of MONPs.
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Nickel-metal organic framework/MWCNT composite electrode for non-enzymatic urea detection
TL;DR: In this article, a porous composite catalyst based on nickel-metal organic framework (Ni-MOF) and multiwalled carbon nanotubes (MWCNTs) was synthesized for nonenzymatic urea detection.
References
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Journal ArticleDOI
General expression of the linear potential sweep voltammogram in the case of diffusionless electrochemical systems
TL;DR: In this article, the equation of the linear potential sweep voltammogram is derived for any degree of reversibility of the electrochemical reaction for the following methods: surface voltammetry when both the oxidized and the reduced forms are strongly adsorbed, and a Langmuir isotherm is obeyed, thin layer voltamometry, and linear potential sweeping coulometry.
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Ureases I. Functional, catalytic and kinetic properties: A review
TL;DR: In this article, a review of the properties of urea amidohydrolases is presented, focusing on the functional and practical properties that can be customized and exploited in a diversity of important applications, notably medical, analytical, environmental and engineering.
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Fabrication of a glucose sensor based on a novel nanocomposite electrode.
TL;DR: Long-term stability, high sensitivity and selectivity as well as good reproducibility and high resistivity towards electrode fouling resulted in an ideal inexpensive amperometric glucose biosensor applicable for complex matrices.
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In situ studies of the oxidation of nickel electrodes in alkaline solution
TL;DR: In this paper, the authors present results of X-ray scattering measurements using synchrotron radiation on a Ni(1 1 1/1) single crystal electrode in 1M KOH.
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Iron oxide-chitosan nanobiocomposite for urea sensor
Ajeet Kaushik,Ajeet Kaushik,Pratima R. Solanki,Anees A. Ansari,Gajjala Sumana,Sharif Ahmad,Bansi D. Malhotra +6 more
TL;DR: In this paper, Urease (Ur) and glutamate dehydrogenase (GLDH) have been co-immobilized onto superparamegnatic iron oxide (Fe3O4) nanoparticles-chitosan (CH) based nanobiocomposite film deposited onto indium-tin-oxide (ITO) coated glass plate via physical adsorption for urea detection.