An efficient magnetic nanoadsorbent based on functionalized graphene oxide with gellan gum hydrogel embedded with MnFe layered double hydroxide for adsorption of Indigo carmine from water

doi:10.1016/j.ijbiomac.2023.127479

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Title:	An efficient magnetic nanoadsorbent based on functionalized graphene oxide with gellan gum hydrogel embedded with MnFe layered double hydroxide for adsorption of Indigo carmine from water
Authors:	Ali, Riyadh Hasan Mohammed Hsu, Chou-Yi Thalij, Karkaz M. Althomali, Raed H. Abdullaev, Sherzod Abdulameer, Sajjad Firas Alawadi, Ahmed Hussien Alsaalamy, Ali Dawood, Farah A. Ahmed, Nahed Mahmood
Contributors:	Al Rafidain Univ Coll, Dept Med Labs Chia Nan Univ Pharm & Sci, Dept Pharm Tikrit Univ, Food Sci Dept Prince Sattam Bin Abdulaziz Univ, Coll Arts & Sci, Dept Chem Cent Asian Univ, Engn Sch Tashkent State Pedag Univ, Sci & Innovat Dept Andijan Machine Bldg Inst, Dept Organ Chem Al Ayen Univ, Sci Res Ctr Univ Kerbala, Coll Engn, Civil Engn Dept Islamic Univ, Coll Tech Engn Islamic Univ Al Diwaniyah, Coll Tech Engn Islamic Univ, Coll Tech Engn Imam Jaafar Al Sadiq Univ, Coll Tech Engn AL Nisour Univ Coll, Dept Med Labs Technol Natl Univ Sci & Technol, Coll Pharm
Keywords:	MnFe LDH Graphene oxide Gellan gum Indigo carmine Water treatment
Date:	2023
Issue Date:	2024-12-25 11:04:45 (UTC+8)
Publisher:	ELSEVIER
Abstract:	The primary objective of this investigation was to synthesize a novel antibacterial nanocomposite consisting of natural gellan gum (GG) hydrogel, MnFe LDH, GO, and Fe3O4 nanoparticle, which was developed to adsorb Indigo carmine (IC). The GG hydrogel/MnFe LDH/GO/Fe3O4 nanocomposite was characterized through different analytical, microscopic, and biological methods. The results of adsorption experiments reveal that 0.004 g of the nanocomposite can remove 98.38 % of IC from a solution with an initial concentration of 100 mg/L, within 1 h at room temperature and under acidic pH conditions. Moreover, the nanocomposite material effectively suppressed the in vitro growth of both E. coli and S. aureus strains, with inhibitory rates of 62.33 % and 53.82 %, respectively. The isotherm data obtained in this investigation were fitted by linear and non-linear forms of Langmuir, Freundlich, and Dubinin-Radushkevich (D-R) isotherms equations. The results of the adsorption kinetics study indicated that the pseudo-second-order model best described the experimental data. The findings of this study suggest that the synthesized nanocomposites hold great potential as effective adsorbents for removing IC and bacteria from aqueous solutions.
Relation:	International Journal of Biological Macromolecules, v.253, part.8, Article 127479
Appears in Collections:	[Offices] 456

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