Dual action of a distinctive colloidal 3-(Benzimidazole-2-yl)-2-hydroxybenzaldehyde grafted chitosan support for the continual detection ability for Hg (II) in aqueous environ and inherent emission-induced live cell imaging

Parshi, Nira

doi:10.1016/j.jphotochem.2023.114882

Journal of Photochemistry and Photobiology A: Chemistry

2023

DOI: 10.1016/j.jphotochem.2023.114882

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Dual action of a distinctive colloidal 3-(Benzimidazole-2-yl)-2-hydroxybenzaldehyde grafted chitosan support for the continual detection ability for Hg (II) in aqueous environ and inherent emission-induced live cell imaging

Nira Parshi¹

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Cited by 2 publications

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Functionalized Sugar Hydrogel Associated with Unique Exciplex Emission and Its Reflection in Bioimaging

Pan,

Ghorai,

Maity

et al. 2024

ACS Appl. Polym. Mater.

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Two fluorescent hydrogels were synthesized with chitosan (green carbo-backbone, Ch) and modified anthracene moieties, 10-benzyl anthracene-9-carbaldehyde (ChAPh) and 10-((benzyloxy)methyl) anthracene-9-carbaldehyde (ChABn). Hydrogel ChAPh shows unique exciplex emission in the THF/water system. Here, the presence of active fluorophores in gel networks shows interesting reciprocation of fluorescence enhancement due to self-assembly in a remote interstitial area with variation of hydrophobic and hydrophilic surroundings. Aggregation-induced emission (AIE) illuminates an emission peak at λem 511 nm with appreciable intense fluorescence to show the formation of exciplex within the ChAPh gel. Aggregations or π–π complexations of -APh/-APh within the ChAPh gel are forced for resettling of fluorophores in hydrophobic solvation with increasing % of water in the THF system. Besides, hydrogel ChABn shows no prominent appearance of emission peak at λem 525 nm. Due to the presence of flexible oxygen (−O−) in -ABn moieties and its H-bonding with water molecules, the exciplex formation is inhibited within the ChABn gel. Thus, hydrogel ChAPh shows a unique exciplex emission within hydrogel networks. The unique exciplex within ChAPh has been established using solvent-dependent and temperature-dependent fluorescence and DLS studies. Additionally, hydrogels ChAPh and ChABn perform successfully as bioimaging gel in fibroblast (human adult dermal fibroblast) cells.

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Functionalized Sugar Hydrogel Associated with Unique Exciplex Emission and Its Reflection in Bioimaging

Pan,

Ghorai,

Maity

et al. 2024

ACS Appl. Polym. Mater.

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Excited state intramolecular proton transfer dual emission Schiff bases for metal detection and cell imaging

Joy,

Devasia

et al. 2023

Applied Spectroscopy Reviews

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Dual action of a distinctive colloidal 3-(Benzimidazole-2-yl)-2-hydroxybenzaldehyde grafted chitosan support for the continual detection ability for Hg (II) in aqueous environ and inherent emission-induced live cell imaging

Cited by 2 publications

References 44 publications

Functionalized Sugar Hydrogel Associated with Unique Exciplex Emission and Its Reflection in Bioimaging

Functionalized Sugar Hydrogel Associated with Unique Exciplex Emission and Its Reflection in Bioimaging

Excited state intramolecular proton transfer dual emission Schiff bases for metal detection and cell imaging

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