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In present study, a novel and facile electrochemical sensor based on glassy carbon electrode (GCE) modified with nitrogen-doped carbon nanotubes (N-CNT) decorated with poly (L-Cysteine) (PLCY) were fabricated and applied for the simultaneous voltammetric determination of theophylline (THEO) and caffeine (CAF). The morphology and structure of multilayer film modified on the surface of glassy carbon...
In this work, a new selective and simple fluorescence probe based on polyethylenimine(PEI) functionalized carbon dots (PEI-CDs) for fast determination of 6-thioguanine (6-TG) was developed. We successfully prepared the highly fluorescent PEI-CDs by hydrothermal method, and completed the synthesis and modification processes in one step. The fluorescence quantum yield (QY) of the as-synthesized CDs...
Hollow mesoporous CuCo2O4 (meso-CuCo2O4) microspheres were successfully synthesized by decomposing metal-organic frameworks (MOFs) as the template. The as-prepared CuCo2O4 microspheres were first simultaneously used for H2O2 biosensing and glucose biofuel cell (GFC) as the enzyme mimic. The resulting of meso-CuCo2O4 displayed not only excellent catalytic performances to H2O2 including a super-fast...
The glassy carbon electrode (GCE) modified with mesoporous NiCo2O4-decorated reduced graphene oxide (NiCo2O4/rGO) was first applied for the electrochemical determination of rutin. The synthesized NiCo2O4 and NiCo2O4/rGO were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and Brunauer-Emmett-Teller...
In the present work, transition metal oxides decorated graphene (GR) have been fabricated for simultaneous determination of dopamine (DA), acetaminophen (AC) and tryptophan (Trp) using square wave voltammetry. Electro-deposition is a facile preparation strategy for the synthesis of nickel oxide (NiO) and copper oxide (CuO) nanoparticles. GR can be modified by using citric acid to produce more functional...
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