{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13(23)"],"submitter":["Bawa R"],"pubmed_abstract":["A pyridine dicarboxylate Schiff-base DAS was synthesized for cascade colorimetric recognition of Ni<sup>2+</sup> and PPi. The selectivity and sensitivity of chemosensor DAS was investigated through colorimetric and UV-vis studies in MeOH-PBS (5 : 1, v/v, pH = 7.4). The chemosensor formed a 2 : 1 complex with Ni<sup>2+</sup> metal ions with a binding constant of <i>K</i><sub>a</sub> = 3.07 × 10<sup>3</sup> M<sup>-2</sup>. Besides, a plausible sensing mechanism is confirmed by single crystal X-ray diffraction (SC-XRD), Job's plot and Benesi-Hildebrand plot (B-H plot) experiments. Furthermore, the DAS-Ni<sup>2+</sup> ensemble formed '<i>in situ</i>' was used to selectively recognise PPi. The limit of detection (LOD) of DAS for Ni<sup>2+</sup> was found to be 0.14 μM and that of the DAS-Ni<sup"],"journal":["RSC advances"],"pagination":["15391-15400"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10201394"],"repository":["biostudies-literature"],"pubmed_title":["A pyridine dicarboxylate based hydrazone Schiff base for reversible colorimetric recognition of Ni<sup>2+</sup> and PPi."],"pmcid":["PMC10201394"],"pubmed_authors":["Pani B","Bawa R","Negi S","Singh B","Kumar R"],"additional_accession":[]},"is_claimable":false,"name":"A pyridine dicarboxylate based hydrazone Schiff base for reversible colorimetric recognition of Ni<sup>2+</sup> and PPi.","description":"A pyridine dicarboxylate Schiff-base DAS was synthesized for cascade colorimetric recognition of Ni<sup>2+</sup> and PPi. The selectivity and sensitivity of chemosensor DAS was investigated through colorimetric and UV-vis studies in MeOH-PBS (5 : 1, v/v, pH = 7.4). The chemosensor formed a 2 : 1 complex with Ni<sup>2+</sup> metal ions with a binding constant of <i>K</i><sub>a</sub> = 3.07 × 10<sup>3</sup> M<sup>-2</sup>. Besides, a plausible sensing mechanism is confirmed by single crystal X-ray diffraction (SC-XRD), Job's plot and Benesi-Hildebrand plot (B-H plot) experiments. Furthermore, the DAS-Ni<sup>2+</sup> ensemble formed '<i>in situ</i>' was used to selectively recognise PPi. The limit of detection (LOD) of DAS for Ni<sup>2+</sup> was found to be 0.14 μM and that of the DAS-Ni<sup","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 May","modification":"2025-04-29T09:12:09.544Z","creation":"2025-04-06T19:17:29.555Z"},"accession":"S-EPMC10201394","cross_references":{"pubmed":["37223408"],"doi":["10.1039/d3ra02021e"]}}