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Ahmed EM, Feteha A, Kamal RS, Behalo MS, Abdel-Raouf ME. Preparation and potential of chitosan-based/Al 2O 3 green hydrogel composites for the removal of methyl red dye from simulated solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:49626-49645. [PMID: 39080170 DOI: 10.1007/s11356-024-34347-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Accepted: 07/07/2024] [Indexed: 08/15/2024]
Abstract
Different dyes are discharged into water streams, causing significant pollution to the entire ecosystem. The present work deals with the removal of acid red 2 dye (methyl red-as an anionic dye) by green sorbents based on chitosan derivatization. In this regard, two classes of chitosan derivatives-a total of six-were prepared by gamma irradiation at 30 kGy. The first group (group A) constitutes a crosslinked chitosan/polyacrylamide/aluminum oxide with different feed ratios, while the second group, identified as group B, is composed of crosslinked carboxymethyl chitosan/polyacrylamide/aluminum oxide with different ratios. Glycerol was added to soften the resultant hydrogels. The products were characterized by different tools, including FTIR for confirming the chemical modification, TGA for investigating their thermal properties, and XRD for verifying their crystalline structure. The morphology of the prepared derivatives was studied through SEM, while their topography before and after dye adsorption was monitored via the AFM. The removal efficiencies of the prepared sorbents were verified at different operation conditions, such as pH, temperature, adsorbent dose, initial concentration of dye solutions, and contact time. The data revealed that the optimum conditions for maximum dye uptake were as follows: pH 4, contact time 120 min, 0.1-g sorbent dose, and 50-ppm dye concentration. Additionally, the prepared sorbents demonstrated potent adsorption capacity and removal efficiency. It was found that the elements of the second group displayed higher performance than their counterparts. The data showed also that the adsorption process best fits with the Freundlich model and obeyed pseudo-first-order kinetic isotherm. In addition, the synthesized composites showed observable antibacterial potency toward E. coli as a Gram-negative bacterium and S. aureus as a Gram-positive bacterium.
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Affiliation(s)
- Ebtehal Mosaad Ahmed
- Organic Chemistry Laboratory, Chemistry Department, Faculty of Science, Benha University, P.O. Box 13518, Benha, Egypt
| | - Amr Feteha
- Organic Chemistry Laboratory, Chemistry Department, Faculty of Science, Benha University, P.O. Box 13518, Benha, Egypt
| | - Rasha S Kamal
- Petroleum Application Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt
| | - Mohamed S Behalo
- Organic Chemistry Laboratory, Chemistry Department, Faculty of Science, Benha University, P.O. Box 13518, Benha, Egypt.
| | - Manar E Abdel-Raouf
- Petroleum Application Department, Egyptian Petroleum Research Institute, Nasr City, 11727, Cairo, Egypt
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Khan NA, Imran M, Akhtar MN, Hussain S, Khan MA, Shami A, Iqbal H. Remediation of organic pollutant from the aqueous environment using in-house fabricated polyaniline-based hybrid composite (PANI-MnPBA/NiCoMnS) materials. CHEMOSPHERE 2024; 350:141077. [PMID: 38163468 DOI: 10.1016/j.chemosphere.2023.141077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 11/16/2023] [Accepted: 12/28/2023] [Indexed: 01/03/2024]
Abstract
Polyaniline-based hybrid material (PANI-MnPBA/NiCoMnS) was prepared by hydrothermal-solvothermal approach. Synthesized hybrid material was characterized through FTIR-spectroscopy, p-XRD, SEM, EDX, BET, and Zetasizer techniques. Hybrid material as adsorbent for removal of Congo red (CR) from water system showed excellent results such as 98 % removal efficiency and 254 mg/g adsorption capacity. Furthermore, various studies like adsorption isothermal, kinetic, thermodynamic, and statistical analysis were performed to understand the adsorption phenomenon. From various kinetic models, pseudo-first and second-order kinetic models, intra-particle and liquid film diffusion kinetic models, pseudo-first-order kinetic model, and liquid-film diffusion kinetic model both are most suitable for explaining the adsorption phenomenon due to the greater value of R2 (0.955) for CR. According to these kinetic models, physio-sorption and diffusion play a basic role in the adsorption of CR. Moreover, ΔG (-1779.508 kJ mol-1) and ΔH (61,760.889 kJ mol-1) values explained the spontaneous and exothermic nature of the adsorption process, respectively. Furthermore, for support of the adsorption mechanism via electrostatic attractions before and after the adsorption process FTIR results of as-synthesized adsorbent were measured (NH peaks before 3668.88, after 3541.41 cm-1). These results confirm electrostatic attraction for the adsorption process. Finally, the statistical model was added (n < 1), according to this model, adsorption follows a multi-anchorage approach and adsorbent contains enough sites for adsorption of CR.
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Affiliation(s)
- Naseem Ahmad Khan
- Division of Inorganic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Muhammad Imran
- Division of Inorganic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.
| | - Muhammad Nadeem Akhtar
- Division of Inorganic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Shabbir Hussain
- Institute of Chemistry, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, 64200, Pakistan
| | - Muhammad Azhar Khan
- Institute of Physics, Baghdad-Ul-Jadeed Campus, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan
| | - Ashwag Shami
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, 11671, Saudi Arabia
| | - Hafiz Iqbal
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, 11671, Saudi Arabia.
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Nasef SM, Khozemy EE, Mahmoud GA. pH-responsive chitosan/acrylamide/gold/nanocomposite supported with silver nanoparticles for controlled release of anticancer drug. Sci Rep 2023; 13:7818. [PMID: 37188828 DOI: 10.1038/s41598-023-34870-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 05/09/2023] [Indexed: 05/17/2023] Open
Abstract
In this study, we prepared a pH-responsive nanocomposite hydrogel based on chitosan grafted with acrylamide monomer and gold nanoparticles using gamma irradiation method (Cs-g-PAAm/AuNPs). The nanocomposite was enhanced with a layer coating of silver nanoparticles to improve the controlled release of the anticancer drug fluorouracil while increasing antimicrobial activity and decreasing the cytotoxicity of silver nanoparticles in nanocomposite hydrogel by combining with gold nanoparticles to enhance the ability to kill a high number of liver cancer cells. The structure of the nanocomposite materials was studied using FTIR spectroscopy and XRD patterns, which demonstrated the entrapment of gold and silver nanoparticles within the prepared polymer matrix. Dynamic light scattering data revealed the presence of gold and silver in the nanoscale with the polydispersity indexes in the mid-range values, indicating that distribution systems work best. Swelling experiments at various pH levels revealed that the prepared Cs-g-PAAm/Au-Ag-NPs nanocomposite hydrogels were highly responsive to pH changes. Bimetallic pH-responsive Cs-g-PAAm/Au-Ag-NPs nanocomposites exhibit strong antimicrobial activity. The presence of AuNPs reduced the cytotoxicity of AgNPs while increasing their ability to kill a high number of liver cancer cells.Cs-g-PAAm/Au-Ag-NPs has a high amount of fluorouracil drug loaded at pH 7.4 reaching 95 mg/g with a maximum drug release of 97% within 300 min. Cs-g-PAAm/Au-Ag-NPs have been recommended to use as oral delivery of anticancer drugs because they secure the encapsulated drug in the acidic medium of the stomach and release it in the intestinal pH.
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Affiliation(s)
- Shaimaa M Nasef
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt.
| | - Ehab E Khozemy
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
| | - Ghada A Mahmoud
- Radiation Research of Polymer Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority, Cairo, Egypt
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Recent Advances in the Removal of Organic Dyes from Aqueous Media with Conducting Polymers, Polyaniline and Polypyrrole, and Their Composites. Polymers (Basel) 2022; 14:polym14194243. [PMID: 36236189 PMCID: PMC9573281 DOI: 10.3390/polym14194243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/02/2022] [Accepted: 10/04/2022] [Indexed: 12/07/2022] Open
Abstract
Water pollution by organic dyes, and its remediation, is an important environmental issue associated with ever-increasing scientific interest. Conducting polymers have recently come to the forefront as advanced agents for removing dye. The present review reports on the progress represented by the literature published in 2020–2022 on the application of conducting polymers and their composites in the removal of dyes from aqueous media. Two composites, incorporating the most important polymers, polyaniline, and polypyrrole, have been used as efficient dye adsorbents or photocatalysts of dye decomposition. The recent application trends are outlined, and future uses also exploiting the electrical and electrochemical properties of conducting polymers are offered.
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Amine-functionalized magnetic microspheres from lignosulfonate for industrial wastewater purification. Int J Biol Macromol 2022; 224:133-142. [DOI: 10.1016/j.ijbiomac.2022.10.110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/05/2022]
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Adusei JK, Agorku ES, Voegborlo RB, Ampong FK, Danu BY, Amarh FA. Removal of Methyl red in aqueous systems using synthesized NaAlg-g-CHIT/nZVI adsorbent. SCIENTIFIC AFRICAN 2022. [DOI: 10.1016/j.sciaf.2022.e01273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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Aldahash SA, Higgins P, Siddiqui S, Uddin MK. Fabrication of polyamide-12/cement nanocomposite and its testing for different dyes removal from aqueous solution: characterization, adsorption, and regeneration studies. Sci Rep 2022; 12:13144. [PMID: 35907938 PMCID: PMC9338974 DOI: 10.1038/s41598-022-16977-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 07/19/2022] [Indexed: 11/09/2022] Open
Abstract
Polyamide-12/Portland cement nanocomposite was prepared by using the exfoliated adsorption method. The fabricated nanocomposite was applied first time to remove Congo red (CR), brilliant green (BG), methylene blue (MB), and methyl red (MR) from the synthetic wastewater. The polymer nanocomposite was characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray spectroscopy, elemental mapping, Brunauer-Emmett-Teller surface area analysis, and X-ray diffraction. The adsorption was rapid and all the studied dyes were absorbed on the surface of the polymer nanocomposite in 90 min. The point of zero charge was found at pH 5 and the factors such as pH, time, and temperature were found to affect the adsorption efficiency. Freundlich isotherm and pseudo-second-order models well-fitted the adsorption isotherm and kinetics data, respectively. The calculated maximum adsorption capacity was 161.63, 148.54, 200.40, and 146.41 mg/g for CR, BG, MB, and MR, respectively. The mode of the adsorption process was endothermic, spontaneous, and physical involving electrostatic attraction. On an industrial scale, the high percentage of desorption and slow decrease in the percentage of adsorption after every five regeneration cycles confirm the potential, practicality, and durability of the nanocomposite as a promising and advanced adsorbent for decolorization of colored wastewater.
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Affiliation(s)
- Saleh Ahmed Aldahash
- Department of Mechanical and Industrial Engineering, College of Engineering, Majmaah University, Al-Majmaah, 11952, Kingdom of Saudi Arabia
| | - Prerna Higgins
- Department of Chemistry, Sam Higginbottom University of Agriculture Technology and Sciences, Prayagraj, U.P., 211007, India
| | - Shaziya Siddiqui
- Department of Chemistry, Sam Higginbottom University of Agriculture Technology and Sciences, Prayagraj, U.P., 211007, India.
| | - Mohammad Kashif Uddin
- Department of Chemistry, College of Science, Al-Zulfi Campus, Majmaah University, Al-Majmaah, 11952, Kingdom of Saudi Arabia.
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Ibrahim MS, Abd El-Mageed HR, Azmy AF, El-Deeb MM, Kamal EHM, Abd El-Salam HM. Synthesis, characterization, and molecular docking analysis of Chitosan-gr-Polysulphanilic acid as antimicrobial water-soluble polymers. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.2006656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Mohamed S. Ibrahim
- Department of Chemistry, Faculty of Science, Polymer Research Laboratory, Beni-Suef University, Beni Suef, Egypt
| | - H. R. Abd El-Mageed
- Faculty of Science, Micro-Analysis and Environmental Research and Community Services Center, Beni-Suef University, Beni Suef, Egypt
| | - Ahmed F. Azmy
- Department of Microbiology and Immunology, Faculty of Pharmacy, Beni-Suef University, Beni Suef, Egypt
| | - M. M. El-Deeb
- Department of Chemistry, Faculty of Science, Polymer Research Laboratory, Beni-Suef University, Beni Suef, Egypt
| | - Emad H. M. Kamal
- Department of Chemistry, Faculty of Science, Polymer Research Laboratory, Beni-Suef University, Beni Suef, Egypt
| | - H. M. Abd El-Salam
- Department of Chemistry, Faculty of Science, Polymer Research Laboratory, Beni-Suef University, Beni Suef, Egypt
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