Special Issue: Sustainable Future of Polymers

Rachna, Km; Chehimi, Mohamed M.

doi:10.1007/s42250-023-00607-5

Chemistry Africa

2023

DOI: 10.1007/s42250-023-00607-5

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Special Issue: Sustainable Future of Polymers

Km Rachna

Mohamed M. Chehimi

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2024

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Cited by 2 publications

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Amphiphilic ligand‐doped liquid crystal‐based detection of Hg²⁺ ions on polyimide surface with alkyl pendent groups

Majeed,

Siddiqi,

Urooj

et al. 2024

Polymer International

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In this study, amphiphilic thiosemicarbazone was used to align liquid crystal (4‐cyano‐4′‐pentylbiphenyl) in a homeotropic way on polyimide containing alkyl pendent groups (AHDPI), which was coated on a glass slide. The amphiphilic ligands 2‐(4‐(dodecyloxy)benzylid‐ene)hydrazine‐1‐carbothioamide (DT) and 2‐(1‐dodecyl‐2‐oxoindolin‐3‐ylidene)hydrazine‐1‐carbothioamide (IT) were doped with liquid crystal (LC) to develop LC‐based sensors to detect Hg2+ ions in water. The selective interaction of carbothioamide with Hg2+ ions triggered the orientation transition of LC from homeotropic to parallel alignment and gave dark to bright optical signal at the LC/aqueous interphase. Self‐immobilization of thiosemicarbazone‐based ligands on AHDPI‐coated glass slide can be used to detect Hg2+ ions with high sensitivity. The limit of detection with DT and IT was found to be 0.5 and 0.25 μmol L−1, respectively. Density functional studies were carried out to study the interaction of the thiosemicarbazone ligands with mercuric ions, resulting in highly negative binding energies of −1.55 and −2.06 eV for DT and IT with Hg2+ ions, respectively. The chemical and thermal stability (up to 268 °C) of the AHDPI coated on glass slide made it reusable at least twice for sensor fabrication. This provides a quicker and cheaper alternative to traditional methods of sensor fabrication. © 2024 Society of Chemical Industry.

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Amphiphilic ligand‐doped liquid crystal‐based detection of Hg²⁺ ions on polyimide surface with alkyl pendent groups

Majeed,

Siddiqi,

Urooj

et al. 2024

Polymer International

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Chlordiazepoxide against signalling, receptor and regulatory proteins of breast cancer: a structure-based in-silico approach

Alsaiari,

Gharib,

Bakhuraysah

et al. 2024

Med Oncol

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Special Issue: Sustainable Future of Polymers

Cited by 2 publications

References 6 publications

Amphiphilic ligand‐doped liquid crystal‐based detection of Hg²⁺ ions on polyimide surface with alkyl pendent groups

Amphiphilic ligand‐doped liquid crystal‐based detection of Hg²⁺ ions on polyimide surface with alkyl pendent groups

Chlordiazepoxide against signalling, receptor and regulatory proteins of breast cancer: a structure-based in-silico approach

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Special Issue: Sustainable Future of Polymers

Cited by 2 publications

References 6 publications

Amphiphilic ligand‐doped liquid crystal‐based detection of Hg2+ ions on polyimide surface with alkyl pendent groups

Amphiphilic ligand‐doped liquid crystal‐based detection of Hg2+ ions on polyimide surface with alkyl pendent groups

Chlordiazepoxide against signalling, receptor and regulatory proteins of breast cancer: a structure-based in-silico approach

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Amphiphilic ligand‐doped liquid crystal‐based detection of Hg²⁺ ions on polyimide surface with alkyl pendent groups

Amphiphilic ligand‐doped liquid crystal‐based detection of Hg²⁺ ions on polyimide surface with alkyl pendent groups