Gold Nanoparticles for Enzyme Activity Detection
Applications of gold nanoparticles in virus detection
... protease enzyme; pol encodes the reverse transcriptase and integrase enzymes; and env encodes the envelope glycoproteins and transmembrane proteins ...accurate detection of HIV is ...
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Amplified Voltammetric Detection of Tyrosinase and Its Activity with Dopamine-Gold Nanoparticles as Redox Probes
... the detection of tyrosinase activity with DA-modified gold nanoparticles (DA-AuNPs) as redox ...onto gold electrode were catalytically oxidized by tyrosinase to ...the activity ...
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Gold Nanoparticles: A new approach for cancer detection
... Abstract Gold nanoparticles are produced in a liquid ("liquid chemical methods") by reduction of chloroauric acid (H[AuCl 4 ]), although more advanced and precise methods do ...exist. Gold ...
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Green synthesis of gold nanoparticles and their anticancer activity
... the gold nanoparticles biosynthesizing capabil- ity of the flower of pharmacologically important tree Couroupita ...genre gold nanoparticles were characterized by involving UV–vis spec- ...
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Biosynthesis of Gold Nanoparticles Using Pleurotus ostreatus extract with Their Electrochemical Activity of Detection of Carbendazim in vegetable
... oxidation. Enzyme activity was expressed in units (U) and one unit was defined as 1 μmol of syringaldazine oxidized per ...the enzyme activity as previously reported, the precipitate was ...
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On the Enhanced Antibacterial Activity of Antibiotics Mixed with Gold Nanoparticles
... colloidal gold changed the gold color and extinction ...antibacterial activity between pure gentamicin and its mix- ture with gold nanoparticles ...no gold NPs in the zone of ...
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Silver and Gold Nanoparticles Alter Cathepsin Activity In vitro
... whereas gold nanomaterials are being used as biological labels or sensors due to their surface properties and ...and gold nanoparticles have on cathepsin activity in ...examine gold and ...
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A novel enzyme-linked immunosorbent assay for detection of Escherichia coli O157:H7 using immunomagnetic and beacon gold nanoparticles
... Keywords: Escherichia coli O157:H7, ELISA, Immunomagnetic nanoparticles, Beacon gold nanoparticles Introduction The World Health Organization estimated that about 1.8 million people worldwide die ...
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Chromogenic detection of dipeptidyl peptidase IV (DPP IV) activity using peptide functionalized gold nanoparticles
... A possible improvement to this system would be the addition of a self-cleavable spacer that could be spontaneously cleaved from the attached substrate ligand when DPP- IV/CD26 hydrolyses the first two amino acid residues ...
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Chromogenic detection of dipeptidyl peptidase IV (DPP-IV) activity using peptide-functionalized gold nanoparticles
... 122 measure the DPP-IV/CD26 activity in human serum. The recovery of DPP-IV/CD26 levels in serum samples spiked with varying concentrations of DPP-IV/CD26 was determined to be in the range, 83.6 - 114.9% with a ...
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Graphene-Gold Nanoparticles Nanohybrids for Electrochemical Detection of Malachite Green
... for detection of MG was fabricated based on Graphene-GNPs modified ...electrocatalytic activity of GNPs, the proposed Graphene-GNPs/GCE electrochemical sensor displayed excellent stability, sensitivity, ...
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Electrochemical activity of glutathione at a graphite electrode modified with gold nanoparticles
... electrochemical activity of GSH is investigated at the GE, Au-GE, AuNP-GCE by cyclic ...electrochemical activity at the graphite ...with gold nanoparticles is observed at E c = 0,05 V on the ...
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Development of dihydrochalcone-functionalized gold nanoparticles for augmented antineoplastic activity
... The need for more effective treatment that can be used in combination with some less malignant treatments is of para- mount importance to the medical community. Dihydrochalcones have been established as potent compounds ...
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Cytotoxicity and antibacterial activity of gold-supported cerium oxide nanoparticles
... au, gold; ceO 2 , cerium oxide; au/ceO 2 , gold-coated cerium oxide; NPs, ...dismutase activity with a catalytic rate constant exceeding that of a biological ...
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Isolation, Characterization and Antibacterial Activity of Gold Nanoparticles of Frangipani Flower
... other nanoparticles. Biosynthesis of nanoparticles using flower andplant extracts arethe favoritemethod of green, the ecofriendly productionof nanoparticlesexploited to a vast extent because the plants are ...
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Green Synthesis and Antibacterial Activity of Gold Nanoparticles of Digera muricata
... for gold nanoparticle. Scanning electron microscopy indicated nanoparticles were spherical in shape, fully dispersed in reaction medium with 40±5 nm ...synthesized nanoparticles were crystalline with ...
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A Third-Generation Biosensor Based on the Enzyme-Like Activity of Cytochrome c on a Room Temperature Ionic Liquid and Gold Nanoparticles Composite Film
... from gold nanoparticles (GNPs) and a room temperature ionic liquid (RTIL), 1-ethyl-3-methyl imidazolium tetrafluoroborate ([EMIm][BF 4 ]), was prepared directly on the surface of a basal plane graphite ...
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Synthesis and characterization of some abundant nanoparticles, their antimicrobial and enzyme inhibition activity
... Antimicrobial activity of the synthesized NPs Microbicidal activity of the synthesized NPs was determined using modi fied Kirby–Bauer disk diffusion ...bial activity of ...
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Biodegradable MoSe Nanoparticles With Multi-enzyme Activity for Ameliorating Acute Pancreatitis
... Biotechnology (Shanghai) Co., Ltd. Propidium iodide/Annexin V-FITC was purchased from Novizan Biotechnology Co., Ltd. Caerulein was purchased from MedChemExpress Co., Ltd. 2.2 Synthesis of biocompatible MoSe 2 @PVP NPs ...
Gold Nanoparticles for Colorimetric detection of hydrolysis of antibiotics by penicillin G acylase
... of gold nanoparticles from 527 nm to 545 nm accompanied by a visual colorimetric change in the solution from red to ...of nanoparticles caused due to displacement of CTAB bilayer by byproducts of the ...
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