Articles with "colorimetric assay" as a keyword



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Comparative Analysis of Inhibition-Based and Indicator-Independent Colorimetric Assay for Screening of Bacteriocin-Producing Lactic Acid Bacteria

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Published in 2018 at "Probiotics and Antimicrobial Proteins"

DOI: 10.1007/s12602-018-9445-4

Abstract: Screening of bacteriocin-producing lactic acid bacteria (LAB) is an important aspect for the search of new/novel probiotic strains. Here, a vesicle-based colorimetric assay was compared with conventional inhibition-based antimicrobial assays using 54 isolates of LAB.… read more here.

Keywords: bacteriocin producing; indicator; inhibition; colorimetric assay ... See more keywords
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Paper microzone plate based on DPPH as a simple colorimetric assay of the total antioxidant content of herbal extracts

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Published in 2020 at "Journal of Food Science and Technology"

DOI: 10.1007/s13197-020-04378-6

Abstract: The human body needs an antioxidant-rich diet that comes from foods, beverages, and herbal products to support the physiological antioxidant systems. Thus, the development of an analytical tool for a simple assay of the total… read more here.

Keywords: paper; paper microzone; total antioxidant; colorimetric assay ... See more keywords
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Nanomolar sensitive colorimetric assay for Mn2+ using cysteic acid-capped silver nanoparticles and theoretical investigation of its sensing mechanism.

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Published in 2017 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2017.05.018

Abstract: A new facile, rapid, sensitive and selective colorimetric assay is proposed for the determination of manganese ions (Mn2+) utilizing cysteic acid (CA)-capped silver nanoparticles (CA-AgNPs) as colorimetric probes. The CA-AgNPs were prepared by reducing AgNO3… read more here.

Keywords: silver nanoparticles; mn2; cysteic acid; colorimetric assay ... See more keywords
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Colorimetric assay for active biomass quantification of Fusarium fujikuroi.

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Published in 2018 at "Journal of microbiological methods"

DOI: 10.1016/j.mimet.2018.11.009

Abstract: A colorimetric assay has been developed for quantitative analysis of active biomass of Fusarium fujikuroi, based on the reduction of the tetrazolium salt 2,3-Bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide (XTT) when menadione was present as an electron coupling agent. The… read more here.

Keywords: biomass; colorimetric assay; active biomass; fujikuroi ... See more keywords
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Simple rolling circle amplification colorimetric assay based on pH for target DNA detection.

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Published in 2019 at "Talanta"

DOI: 10.1016/j.talanta.2019.04.003

Abstract: Detection and identification of DNA by PCR has opened tremendous possibilities and allows detection of minute quantities of DNA highly specifically. However, PCR remains confined to laboratory settings because of the need of thermocyclers and… read more here.

Keywords: dna; circle amplification; colorimetric assay; rolling circle ... See more keywords
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Colorimetric Assay for Acetylcholinesterase Activity and Inhibitor Screening Based on Metal-Organic Framework Nanosheets.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c03290

Abstract: Alzheimer's disease (AD) is a common chronic neurodegenerative disease that manifests as cognitive impairment and behavioral deficits and severely threatens the health of the elderly. Acetylcholinesterase (AChE) plays a vital role in biological signaling and… read more here.

Keywords: acetylcholinesterase activity; organic framework; metal organic; activity ... See more keywords
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Easy cellulose-based strips designed based on a fast and sensitive enzyme colorimetric assay for the low concentration of glucose detection.

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Published in 2019 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.9b03180

Abstract: Compared with traditional filter paper, high-purity cellulose membrane prepared via green pathway was used to attempt to enhance their performance of glucose detection. In this work, cellulose-based strips (CBS) for the low concentration of glucose… read more here.

Keywords: based strips; detection; colorimetric assay; cellulose based ... See more keywords
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Cryopreservable Through-Hole Arrays for the High-Throughput Three-Dimensional Smartphone-Based Cell Colorimetric Assay.

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Published in 2023 at "ACS sensors"

DOI: 10.1021/acssensors.2c01564

Abstract: In vitro assays are an important platform for cancer research as they allow high-throughput experimentation that is not possible using in vivo animals. Although various in vitro assays are developed to study cell viability or… read more here.

Keywords: cell; hole arrays; smartphone; high throughput ... See more keywords
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Sensitive Colorimetric Assay of H2S Depending on the High-Efficient Inhibition of Catalytic Performance of Ru Nanoparticles

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Published in 2017 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.7b01448

Abstract: Nanocatalysts depended colorimetric assay possesses the advantage of fast detection and provides a novel avenue for the detection of hydrogen sulfide (H2S). The exploration of nanocatalysts with superior catalytic activity is challenging to achieve ultrasensitive… read more here.

Keywords: colorimetric assay; assay h2s; sensitive colorimetric; h2s depending ... See more keywords
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A catalytic reaction-based colorimetric assay of alkaline phosphatase activity based on oxidase-like MnO2 microspheres

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Published in 2019 at "Analytical Methods"

DOI: 10.1039/c9ay01772k

Abstract: A catalytic reaction-based colorimetric assay of alkaline phosphatase activity is developed based on oxidase-like MnO2 microspheres. read more here.

Keywords: assay alkaline; based colorimetric; catalytic reaction; colorimetric assay ... See more keywords
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Colorimetric assay based on NiCo2S4@N,S-rGO nanozyme for sensitive detection of H2O2 and glucose in serum and urine samples

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d2ra03444a

Abstract: Traditional bimetallic sulfide-based nanomaterials often have a small specific surface area (SSA), low dispersion, and poor conductivity, thereby limiting their wide applications in the nanozyme-catalytic field. To address the above issues, we herein integrated NiCo2S4… read more here.

Keywords: nico2s4 rgo; assay based; rgo; h2o2 glucose ... See more keywords