Results 21 to 30 of about 6,781 (224)

Fabrication of Naphthalimide Chemosensor by Inkjet Printing on Paper for the Detection of Uric Acid in Solution [PDF]

open access: yes, 2022
High uric acid (UA) concentrations are linked to many human health disorders. Currently, UA is detected in human samples through laboratory testing. However, laboratory testing is impractical in developing nations, which lack the diagnostic capability ...
Jane, Alford   +3 more
core   +1 more source

Optical and Electrochemical Selective Sensor for Zn2+ ions based on 4-(furan-2-ylmethyleneamino)-2,3-dimethyl-1-phenyl-1,2-dihydropyrazol-5-one

open access: yesInternational Journal of Electrochemical Science, 2016
A simple 4-(furan-2-ylmethyleneamino)-2,3-dimethyl-1-phenyl-1,2-dihydropyrazol-5-one (M1) chemosensor was designed and positively applied for the selective recognition of Zn2+ ions in methanol.
Vinod Kumar Gupta
doaj   +1 more source

Synthesis, characterization and applications of schiff base chemosensor for determination of Cu2+ ions

open access: yesJournal of Saudi Chemical Society, 2022
A novel thiazole-based Schiffbase chemosensor SB1 with N- and O- donor atoms was synthesized and characterized by different techniques (UV–vis, 13C NMR, 1H NMR, and FT-IR analysis).
Sikandar Khan   +5 more
doaj   +1 more source

Thiol Reactive Probes and Chemosensors [PDF]

open access: yesSensors, 2012
Thiols are important molecules in the environment and in biological processes. Cysteine (Cys), homocysteine (Hcy), glutathione (GSH) and hydrogen sulfide (H2S) play critical roles in a variety of physiological and pathological processes. The selective detection of thiols using reaction-based probes and sensors is very important in basic research and in
Hanjing Peng   +5 more
openaire   +4 more sources

An NIR Emissive Donor-π-Acceptor Dicyanomethylene-4H-Pyran Derivative as a Fluorescent Chemosensor System towards Copper (II) Detection

open access: yesChemosensors, 2022
A novel donor-π-acceptor fluorescent dye as a chemosensor for Cu2+ ions is herein presented. The fluorophoric core consists of a 3,5-diphenyl-dicyanomethylene-4H-pyran (DCM), with extended styryl chains on positions 2 and 6, bearing terminal di-(2 ...
Agata Karkosik, Artur J. Moro
doaj   +1 more source

Rapid Detection of Cd2+ Ions in the Aqueous Medium Using a Highly Sensitive and Selective Turn-On Fluorescent Chemosensor

open access: yesMolecules, 2023
Herein, a novel optical chemosensor, (CM1 = 2, 6-di((E)-benzylidene)-4-methylcyclohexan-1-one), was designed/synthesized and characterized by 1H-NMR and FT-IR spectroscopy.
Maria Sadia   +7 more
doaj   +1 more source

Synthesis of Symmetrical Acetophenone Azine Derivatives as Colorimetric and Fluorescent Cyanide Chemosensors

open access: yesIndonesian Journal of Chemistry, 2021
Cyanide is a highly toxic anion and poison to the environment. Therefore, fast, effective, and efficient analysis methods to detect cyanide are needed. Herein, symmetrical chemosensor of 2’-hydroxy acetophenone azine (1) and 2’,4’-dihydroxy acetophenone ...
Nur Masyittah Irmi   +2 more
doaj   +1 more source

A luminescent pyrene-valine conjugates for the detection of copper (II) ions in aqueous media

open access: yesMaterials Letters: X, 2023
A novel pyrene-based fluorescent chemosensor (pyren-1-ylmethyl)-L-valine (1) has been synthesized. 1 is a highly selective chemosensor for detecting Cu(II) ions through fluorescence quenching over other competitive metal ions and showing aqueous-organic ...
Kamlesh Kumar Nigam   +3 more
doaj   +1 more source

A Review on Calixarene Fluorescent Chemosensor Agents for Various Analytes

open access: yes, 2021
Calixarenes are well-known supramolecular host molecules with versatile applications. Over the past decades, hundreds of selective and sensitive detections of several analytes have been reported by employing calixarenes as the chemosensor agent.
Ohto, Keisuke   +7 more
core   +1 more source

Using 5,10,15,20-tetra(4-nitrophenyl)porphyrin as a fluorescent chemosensor to determine Ru3+ [PDF]

open access: yes, 2012
The 5,10,15,20-tetra(4-nitrophenyl)porphyrin (TNPP) has been synthesized using the reaction of pyrrole and 4-nitrobenzaldehyde in the presence of propionic acid. The TNPP was used as a new fluorescent chemosensor to determine Ru3+ with higher selectivity
Songsasen, Apisit   +4 more
core   +4 more sources

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