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Showing 1-30 of 136 results for "G7141" within Papers
Juan Li et al.
Biosensors & bioelectronics, 41, 698-703 (2012-10-23)
Multi-walled carbon nanotubes (MWCNTs)-nanoflake-like SnS(2) nanocomposite were designed for immobilization of glucose oxidase (GOx). The direct electrochemistry of GOx and glucose sensing at MWCNTs-SnS(2) modified glassy carbon electrode were studied. Compared with single MWCNTs or SnS(2), the MWCNTs-SnS(2) film has
Wentao Shi et al.
Biosensors & bioelectronics, 51, 244-248 (2013-08-27)
This paper depicts a novel method to directionally stabilize enzymes together with redox mediators by electrodeposition. Chitosan was used as a stabilizing matrix. By electrochemical removal of local H(+), chitosan close to working electrode became locally insoluble, and enzymes and
Karnit Bahartan et al.
Chemical communications (Cambridge, England), 48(98), 11957-11959 (2012-11-06)
Yeast displaying glucose oxidase on their surface were encapsulated in a graphene oxide hydrogel. The ability of the modified yeast to reduce graphene oxide by glucose assimilation while maintaining viability was tested with time and deemed suitable for biofuel cell
Yibing Xie et al.
Materials science & engineering. C, Materials for biological applications, 33(8), 5028-5035 (2013-10-08)
The glucose oxidase (GOD) modified polypyrrole/titania nanotube enzyme electrode is fabricated for electrochemical biosensing application. The titania nanotube array is grown directly on a titanium substrate through an anodic oxidation process. A thin film of polypyrrole is coated onto titania
Chae Hyun Kim et al.
Scientific reports, 11(1), 14823-14823 (2021-07-22)
The fabrication of flexible and stretchable electronics is a critical requirement for the successful application of wearable healthcare devices. Although such flexible electronics have been commonly fabricated by microelectromechanical system (MEMS) technologies, they require a specialised equipment for vacuum deposition
Amit R Hood et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4313-4322 (2013-08-06)
This study describes the development of a novel bimetal (Fe and Cu)-grown hierarchical web of carbon micro-nanofiber-based electrode for biosensor applications, in particular to detect glucose in liquids. Carbon nanofibers (CNFs) are grown on activated carbon microfibers (ACFs) by chemical
Erik Arango Gutierrez et al.
Biosensors & bioelectronics, 50, 84-90 (2013-07-10)
Glucose oxidase is an oxidoreductase exhibiting a high β-D-glucose specificity and high stability which renders glucose oxidase well-suited for applications in diabetes care. Nevertheless, GOx activity is highly oxygen dependent which can lead to inaccuracies in amperometric β-D-glucose determinations. Therefore
Chun Shi et al.
Biochimica et biophysica acta, 1830(3), 2538-2544 (2012-12-26)
Brain lipid peroxidation has long been considered a potential therapeutic target for Alzheimer's disease (AD). beta-sitosterol (BS), a plant sterol that is prevalent in plant plasma membrane, has been suggested to have antioxidant activity. Previous studies have demonstrated that dietary
Yinhui Yi et al.
Chemical communications (Cambridge, England), 49(6), 612-614 (2012-12-12)
Si quantum dots have been demonstrated to be environmentally friendly photoluminescence probes and their fluorescence was quenched by H(2)O(2) that was produced from the glucose oxidase-catalyzed oxidation of glucose. This strategy could be used to detect glucose with high sensitivity
Li Wang et al.
Nanotechnology, 23(45), 455502-455502 (2012-10-24)
Glucose detection is very important in biological analysis, clinical diagnosis and the food industry, and especially for the routine monitoring of diabetes. This work presents an electrochemical approach to the detection of glucose based on Prussian blue (PB) nanostructures/carboxylic group-functionalized
Masih-ul Alam et al.
Journal of immunology (Baltimore, Md. : 1950), 183(9), 5728-5737 (2009-10-09)
Inflammation following tissue damage promotes lymphocyte recruitment, tissue remodeling, and wound healing while maintaining self tolerance. Endogenous signals associated with tissue damage and cell death have been proposed to initiate and instruct immune responses following injury. In this study, we
Vyacheslav I Kochubey et al.
Journal of biomedical optics, 19(1), 011020-011020 (2013-11-07)
The effect of glucose on fluorescence of synthesized ZnCdS nanoparticles in the presence of glucose oxidase or in a mixture of glucose oxidase and peroxidase has been investigated. Behavior of fluorescence characteristics of ZnCdS nanoparticles with nonstabilized surface and coated
Kun Deng et al.
Analytica chimica acta, 759, 61-65 (2012-12-25)
In this work, a new label-free electrochemical aptamer-based sensor (aptasensor) was constructed for detection of platelet-derived growth factor (PDGF) based on the direct electrochemistry of glucose oxidase (GOD). For this proposed aptasensor, poly(diallyldimethylammonium chloride) (PDDA)-protected graphene-gold nanoparticles (P-Gra-GNPs) composite was
Shamim Azimi et al.
Analytical and bioanalytical chemistry, 413(5), 1441-1452 (2021-01-04)
A cost-effective, point of care (POC) device based on highly oriented CNT arrays was developed as an electrochemical assay for real-time and sensitive detection of glucose in complex samples. A low-cost, microcontroller-based potentiostat consisting of Arduino Due and LMP9100-EVM was
Ann E Kowalski et al.
Biomaterials science, 7(5), 1898-1904 (2019-02-14)
Porous protein crystals provide a template for binding and organizing guest macromolecules. Peroxidase, oxidase, and reductase enzymes immobilized in protein crystals retained activity in single-crystal and bulk assay formats. Several binding strategies, including metal affinity and physical entrapment, were employed
L Gardini et al.
Methods in molecular biology (Clifton, N.J.), 1805, 151-184 (2018-07-05)
Mechanical transitions in molecular motors often occur on a submillisecond time scale and rapidly follow binding of the motor with its cytoskeletal filament. Interactions of nonprocessive molecular motors with their filament can be brief and last for few milliseconds or
Rong Hu et al.
Biosensors & bioelectronics, 41, 442-445 (2012-10-16)
A universal sensing platform for fluorescence turn-on detection of biomolecules is developed based on Fenton reaction triggered molecular beacon cleavage. Due to its high quenching efficiency, molecular beacons (MBs)-based sensing systems usually show low background fluorescence and large signal-to-background ratio.
Marc Pusey et al.
Acta crystallographica. Section F, Structural biology communications, 71(Pt 7), 806-814 (2015-07-07)
Fluorescence can be a powerful tool to aid in the crystallization of proteins. In the trace-labeling approach, the protein is covalently derivatized with a high-quantum-yield visible-wavelength fluorescent probe. The final probe concentration typically labels ≤0.20% of the protein molecules, which
Mariam Al Shamsi et al.
Heliyon, 7(10), e08111-e08111 (2021-10-26)
We have previously reported that spinal cord respiration (cellular mitochondrial oxygen consumption) and ATP content are conserved in the studied model of experimental autoimmune encephalomyelitis (EAE), foreseeing a recovery of the diseased rats. This exemplary lesion of multiple sclerosis is
Rodrigo Carlessi et al.
Methods in molecular biology (Clifton, N.J.), 2076, 241-253 (2019-10-06)
The role of oxidative stress in the pathogenesis of type 2 diabetes (T2D), especially pancreatic β-cell dysfunction and death, has become apparent in the last two decades. Peroxidase- and catalase-based antioxidant mechanisms are particularly weak in β-cells and can be
Ping Tang et al.
Cell death discovery, 8(1), 177-177 (2022-04-10)
Advanced differentiated thyroid cancer cells are subjected to extreme nutritional starvation which contributes to develop resistance to treatments; however, the underlying mechanism remains unclear. Cells were subjected to serum deprivation by culture in medium containing 0.5% fetal bovine serum. A
Pauline Lefrançois et al.
Analytical chemistry, 93(39), 13143-13151 (2021-09-22)
In the framework of artificial or synthetic cell development, giant liposomes are common basic structures. Their enclosed membrane allows encapsulating proteins, DNA, reactants, etc., while its phospholipid nature allows some exchanges with the surrounding medium. Biochemical reactions induced inside giant
André van Eerde et al.
Plant biotechnology journal, 18(3), 631-643 (2019-08-03)
Sustainable production of biofuels from lignocellulose feedstocks depends on cheap enzymes for degradation of such biomass. Plants offer a safe and cost-effective production platform for biopharmaceuticals, vaccines and industrial enzymes boosting biomass conversion to biofuels. Production of intact and functional
Jingting Luo et al.
Biosensors & bioelectronics, 49, 512-518 (2013-07-03)
This work reports a high-performance Mn-doped ZnO multilayer structure Love mode surface acoustic wave (SAW) biosensor for the detection of blood sugar. The biosensor was functionalized via immobilizing glucose oxidase onto a pH-sensitive polymer which was attached on Mn-doped ZnO
Enhanced nuclear-spin hyperpolarization of amino acids and proteins via reductive radical quenchers.
Hanming Yang et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 324, 106912-106912 (2021-02-02)
Low-concentration photochemically induced dynamic nuclear polarization (LC-photo-CIDNP) has recently emerged as an effective tool for the hyperpolarization of aromatic amino acids in solution, either in isolation or within proteins. One factor limiting the maximum achievable signal-to-noise ratio in LC-photo-CIDNP is
Habib Razmi et al.
Biosensors & bioelectronics, 41, 498-504 (2012-10-27)
Graphene quantum dots (GQD) were introduced as a novel and suitable substrate for enzyme immobilization. Glucose oxidase (GOx) was immobilized on GQD modified carbon ceramic electrode (CCE) and well-defined quasi-reversible redox peaks were observed. The UV-vis photoluminescence spectroscopy, transition electron
Amol Aher et al.
Developmental cell, 46(1), 40-58 (2018-06-26)
The dynamic instability of microtubules plays a key role in controlling their organization and function, but the cellular mechanisms regulating this process are poorly understood. Here, we show that cytoplasmic linker-associated proteins (CLASPs) suppress transitions from microtubule growth to shortening
Lon-Yen Tsao et al.
Archives of disease in childhood. Fetal and neonatal edition, 98(6), F545-F548 (2013-07-11)
The purpose of this study was to evaluate the accuracy of a novel commercial glucose-oxidase (GO)-based glucometer in measuring glucose concentrations in arterial blood samples collected from premature infants. A commercial glucometer, which is a plasma separation GO-based glucometer, was
Kamendra P Sharma et al.
Advanced materials (Deerfield Beach, Fla.), 28(8), 1597-1602 (2015-12-18)
Dynamic protein-polymer surfactant films are highly hydrophilic and show a soft solid to hydrogel transition upon hydration to produce a swollen hydrogel. An unusual reversible autospreading/self-folding response is observed when the water-saturated films are transferred from water into air.
Min-Ah Cho et al.
Archives of oral biology, 58(10), 1349-1356 (2013-07-13)
To investigate interactions between hyaluronic acid (HA), lysozyme, and the glucose oxidase-mediated lactoperoxidase (GO-LPO) system in enzymatic and candidacidal activities. The influences of HA (0.5, 1.0, and 2.0mg/mL) and lysozyme (30μg/mL hen egg white lysozyme) on the enzymatic activity of
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