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• W3199030749 endingPage "100151" @default.
• W3199030749 startingPage "100151" @default.
• W3199030749 abstract "Nanogel composites based on hydrolyzed pectin-grafted-polyaniline (HPEc-g-PANi) (GCP) were synthesized via chemical polymerization method and characterized via different analyses including FTIR, 1 HNMR, UV-Vis, Raman, XRD, SEM, AFM, TGA, DSC and DMTA. Swelling, electrical conductivity and zeta potential studies were performed to evaluate physicochemical properties. The adsorption studies on GCP for different metal ions of Pb +2 , Cu +2 , Ni +2 and Cd +2 showed selectivity of GCP toward Pb +2 and high removal efficiency up to 90% by 0.03 g adsorbent for 2 h at pH:5. For determination of hydrophilicity, contact angle measurements were done on PANi and copolymers. HPEc-g-PANi (2:1) copolymer showed more hydrophobicity feature due to lower polar PANi sites which reduces water absorption. Antibacterial analyses demonstrated a desirable inhibition zone of the copolymers and specially PANi. Among copolymers, HPEc-g-PANi (2:1) due to more hydrophobicity represented better antibacterial activity than others. This conclusion support influence of hydrophobicity on antibacterial activity. HPEc macromolecules help to the entrance of PANi chains into bacteria cell wall and destruction of cell cytoplasm. Anticancer experiments indicated an efficient toxicity effect on cancer cells up to 56% reduction in cell viability percentage. Antioxidant test indicated an efficiency inhibition of GCP to free radicals up to a maximum absorption of 80%. • hydrolyzed pectin-g-Polyaniline Nanogels were synthesized via oxidation polymerization. • Hydrogels of polyaniline/pectin were produced with uniform morphology with good thermal and electrical stability. • Desirable antibacterial, anticancer and antioxidant activities of the hydrogels were obtained on bacteria and cells. • Contact angle measurement indicated a hydrophobicity feature for copolymers. • Sorption studies on nanogels showed a high removal efficiency up to 90% on selective Pb +2 ion." @default.
• W3199030749 created "2021-09-27" @default.
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• W3199030749 date "2021-12-01" @default.
• W3199030749 modified "2023-10-14" @default.
• W3199030749 title "Evaluation of adsorption and biological activities of polyaniline-grafted-pectin as conductive nanogels" @default.
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• W3199030749 doi "https://doi.org/10.1016/j.carpta.2021.100151" @default.
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