A novel label-free colorimetric polyA aptasensing approach based on cationic polymer and silver nanoparticles for detection of tobramycin in milk.
Sign Up to like & getrecommendations! Published in 2022 at "Food chemistry"
DOI: 10.1016/j.foodchem.2022.132580
Abstract: In this study, a novel colorimetric bioassay method was developed for the sensitive determination of tobramycin (TOB). To detect TOB, silver nanoparticles (AgNPs) were decorated with TOB-specific aptamers (apt), and positively charged poly diallyl dimethyl… read more here.
Keywords: colorimetric; novel label; detection; tob ... See more keywords
A 4-phenyl thiophene appended 2,4-dinitrophenylhydrazone as a colorimetric chemosensor for selective detection of cyanide ion and its application for real-life samples
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2021.131494
Abstract: Abstract A Schiff's base probe PBD was synthesized by the treatment of 4-phenylthiophene-2-carbaldehyde and 2, 4-dinitrophenylhydrazine, which is found to act as a potential colorimetric sensor for CN− ion. The visual color change was noticed… read more here.
Keywords: phenyl thiophene; detection; thiophene appended; probe ... See more keywords
Polyelectrolyte-functionalized reduced graphene oxide wrapped helical POMOF nanocomposites for bioenzyme-free colorimetric biosensing.
Sign Up to like & getrecommendations! Published in 2020 at "Talanta"
DOI: 10.1016/j.talanta.2020.121373
Abstract: For the sake of effective colorimetric sensing-pattern, a sensitive colorimetric sensor was conceived based on polyoxometalates based metal-organic frameworks (POMOFs) and polydiallyldimethylammonium chloride functionalized reduced graphene oxide (PDDA-rGO) for the first time, in which PDDA… read more here.
Keywords: graphene oxide; functionalized reduced; colorimetric; pdda ... See more keywords
A coumarin–chalcone hybrid used as a selective and sensitive colorimetric and turn-on fluorometric sensor for Cd2+ detection
Sign Up to like & getrecommendations! Published in 2017 at "New Journal of Chemistry"
DOI: 10.1039/c7nj02569f
Abstract: A chalcone-based naked-eye colorimetric chemical sensor, (E)-4-hydroxy-3-(3-(4-methoxyphenyl)acryloyl)-2H-chromen-2-one 1a, was developed for selective and sensitive recognition of Cd2+ in mixed aqueous–organic media. The chemosensor demonstrates a distinct color change as well as a remarkable variation in… read more here.
Keywords: cd2; colorimetric; selective sensitive; coumarin chalcone ... See more keywords
Two birds with one stone: colorimetric and photothermal dual-mode biosensor based on CoOOH nanorings for detecting β-galactosidase activity and Escherichia coli.
Sign Up to like & getrecommendations! Published in 2025 at "Chemical communications"
DOI: 10.1039/d5cc00923e
Abstract: Pathogenic bacterial infections are a serious global public health threats, creating an urgent requirement for the rapid, sensitive, and reliable detection of bacteria. Herein, a multi-colorimetric and portable photothermal dual-mode biosensor with cross-references and self-calibration… read more here.
Keywords: escherichia coli; colorimetric; dual mode; mode biosensor ... See more keywords
An indolium inspired portable colorimetric sensor for cyanide recognition in environmental samples with smartphone integration
Sign Up to like & getrecommendations! Published in 2025 at "RSC Advances"
DOI: 10.1039/d5ra00576k
Abstract: Cyanide is a highly hazardous and fast-acting blood agent widely used in various industries, making its monitoring crucial due to its severe impact on living organisms. Considering this, we had developed a novel indolium based… read more here.
Keywords: colorimetric; cyanide; cyanide ions; cyanide recognition ... See more keywords
Insight into the oxidase-mimicking activity enhancement of MnO2 nanozymes by Co ion-doping for colorimetric sensor assays
Sign Up to like & getrecommendations! Published in 2025 at "RSC Advances"
DOI: 10.1039/d5ra03755g
Abstract: Manganese dioxide (MnO2) nanomaterials have garnered significant attention as enzyme mimics due to their excellent catalytic properties. However, when applied to catalytic oxidation in biological systems, pure MnO2 has shown limited performance. To address this… read more here.
Keywords: colorimetric; oxidase mimicking; mno2; mimicking activity ... See more keywords
Quick and Easy Covalent Grafting of Sulfonated Dyes to CMC: From Synthesis to Colorimetric Sensing Applications
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14194061
Abstract: Carboxymethyl cellulose, the most promising cellulose-derivatives, pulls together low cost, abundancy, biocompatibility, unique properties and, unlike the precursor, chemical reactivity. This latter aspect arouses the curiosity of chemists around the possibility of chemical modification and… read more here.
Keywords: grafting sulfonated; easy covalent; quick easy; covalent grafting ... See more keywords