A polydiacetylene-based colorimetric chemosensor for malondialdehyde detection: a food spoilage indicator

A new fluorescent and colorimetric sensor for Fe3+ ion were synthesized via four-component reaction of acetophenone, dimedone, benzaldehyde and ammonium acetate in the presence of SrFe12O19. The chemosensor shows excellent sensitivity toward Fe3+ ion. The sensing ability of the chemosensor was studied by fluorescent and UV-Vis spectroscopy. The detection limits for Fe3+ were calculated respectively about 8.3 × 10–6 M and 2.3 × 10–6 M for fluorescence and UV-Vis techniques.

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A novel dihydro phenylquinazolinone-based two-in-one colourimetric chemosensor for nickel(ii), copper(ii) and its copper complex for the fluorescent colourimetric nanomolar detection of the cyanide anion

RSC Advances ◽

10.1039/d0ra09023a ◽

2020 ◽

Vol 10 (73) ◽

pp. 44860-44875

Author(s):

Meman Sahu ◽

Amit Kumar Manna ◽

Shubhamoy Chowdhury ◽

Goutam Kumar Patra

Keyword(s):

Copper Complex ◽

Colorimetric Sensor ◽

Practical Application ◽

Cyanide Anion ◽

Colorimetric Chemosensor ◽

Nanomolar Detection

A novel colorimetric chemosensor L has been developed for the detection of Ni2+ and Cu2+ ions. The obtained L–Cu2+ complex can be used as a new cascade fluorescent-colorimetric sensor for the nanomolar detection of CN− ions. This chemosensor has practical application.

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Colorimetric chemosensor for multiple targets, Cu2+, CN−and S2−

RSC Advances ◽

10.1039/c5ra27553a ◽

2016 ◽

Vol 6 (20) ◽

pp. 16586-16597 ◽

Cited By ~ 32

Author(s):

Ka Young Ryu ◽

Jae Jun Lee ◽

Jin Ah Kim ◽

Dae Yul Park ◽

Cheal Kim

Keyword(s):

Schiff Base ◽

Detection Limits ◽

Colorimetric Sensor ◽

Multiple Targets ◽

Colorimetric Chemosensor ◽

The Given

New Schiff-base was developed as colorimetric sensor for Cu2+, CN−and S2−with the detection limits lower than the given guidelines.

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Pattern-Based Colorimetric Sensor Array to Monitor Food Spoilage using Automated High-Throughput Analysis

Biosensors and Bioelectronics ◽

10.1016/j.bios.2021.113687 ◽

2021 ◽

pp. 113687

Author(s):

Harupjit Singh ◽

Gagandeep Singh ◽

Navneet Kaur ◽

Narinder Singh

Keyword(s):

High Throughput ◽

Sensor Array ◽

Colorimetric Sensor ◽

Food Spoilage ◽

High Throughput Analysis ◽

Throughput Analysis ◽

Colorimetric Sensor Array

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The maiden report of a fluorescent-colorimetric sensor for expeditious detection of bifluoride ion in aqueous media

RSC Advances ◽

10.1039/c6ra21868g ◽

2016 ◽

Vol 6 (110) ◽

pp. 108717-108725 ◽

Cited By ~ 5

Author(s):

Anupam Ghorai ◽

Santosh S. Thakur ◽

Goutam K. Patra

Keyword(s):

Schiff Base ◽

Rapid Detection ◽

Aqueous Media ◽

Colorimetric Sensor ◽

Colorimetric Chemosensor

A fluorescent-colorimetric chemosensor L, for rapid detection of bifluoride ion has been developed based on a simple bis-Schiff base.

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Methyl-3-(2-hidroxy-5-nitrophenyl amino)-3-phenylpropanoate Based Colorimetric Sensor for Oxyanions

Indonesian Journal of Chemistry ◽

10.22146/ijc.39559 ◽

2020 ◽

Vol 20 (2) ◽

pp. 257

Author(s):

Venty Suryanti ◽

Fajar Rakhman Wibowo ◽

Sekar Handayani

Keyword(s):

Absorption Spectroscopy ◽

Binding Sites ◽

Color Change ◽

Colorimetric Sensor ◽

Anion Sensor ◽

Anion Sensing ◽

Naked Eye ◽

Colorimetric Chemosensor ◽

Light Yellow

A colorimetric anion sensor of methyl-3-(2-hydroxy-5-nitrophenyl amino)-3-phenylpropanoate bearing –OH and –NH groups as binding sites and nitrophenyl as a signaling unit, has been successfully accomplished. The compound functioned as a colorimetric chemosensor for H2PO4– and AcO–, in particular, the sensor showed significant naked-eye detectable color change from colorless to light yellow. In contrast, no color change was detected upon addition of other anions such as SO42–, NO3–, and CIO4–. The anion sensing ability of the sensor was further investigated by UV-Vis absorption spectroscopy in acetone. Characteristic UV-Vis spectra changes were revealed upon addition of H2PO4– and AcO–.

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