نتایج جستجو برای: biosubstrate enzyme electrode
تعداد نتایج: 303849 فیلتر نتایج به سال:
This laboratory seeks to quantitatively determine glucose concentration in common beverages. The method employed is enzyme catalyzed oxidation of glucose, quantified by chronoamperometry. With an inexpensive patterned electrode and low cost glucose oxidase enzyme, an electrochemical sensor is constructed to selectively measure glucose in complicated beverages which can present as analytically c...
Abstract Silver/silver chloride (Ag/AgCl) is ubiquitous in the field of electrochemical biosensing due to its suitability as a reference electrode material. However, we recently discovered that screen-printed Ag/AgCl ink has detrimental effect on Alcohol Oxidase enzyme stability. We performed an optical absorbance assay isolate interaction and discover surprisingly strong inhibition effect. The...
The article deals with the study of factors participating in extraction humic acids from plant substrates under action electric discharges. Using example discharge treat-ment peat-water suspension, it was demonstrated that main factor affecting intensity is degree solid phase biosubstrate-water suspension grinding, which depends on pressure amplitude at a distance inner radius chamber and numbe...
We propose an electron transfer-mediated amperometric enzyme biosensor based on plasma-polymerized thin film of dimethylaminomethylferrocene (DMAMF) on a sputtered gold electrode. The DMAMF plasma-polymerized film is deposited directly onto the surface of the electrode under dry conditions. The resulting thin film not only has redox sites but also is extremely thin (approximately 20 nm), adhere...
An efficient catalyst based on artificial bionic peroxidase was synthesized for electrocatalysis. A poly(ethyleneimine)/Au nanoparticle composite (PEI-AuNP) was prepared and it was then linked to hemin via a coupling reaction between carboxyl groups in hemin and amino groups in PEI without the activation of a carboxyl group by carbodiimide. Fourier transform infrared (FTIR) spectroscopy verifie...
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