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Tang RC, Shang L, Scumpia PO, Di Carlo D. Injectable Microporous Annealed Crescent-Shaped (MAC) Particle Hydrogel Scaffold for Enhanced Cell Infiltration. Adv Healthc Mater 2024; 13:e2302477. [PMID: 37985462 PMCID: PMC11102933 DOI: 10.1002/adhm.202302477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/10/2023] [Indexed: 11/22/2023]
Abstract
Hydrogels are widely used for tissue engineering applications to support cellular growth, yet the tightly woven structure often restricts cell infiltration and expansion. Consequently, granular hydrogels with microporous architectures have emerged as a new class of biomaterial. Particularly, the development of microporous annealed particle (MAP) hydrogel scaffolds has shown improved stability and integration with host tissue. However, the predominant use of spherically shaped particles limits scaffold porosity, potentially limiting the level of cell infiltration. Here, a novel microporous annealed crescent-shaped particle (MAC) scaffold that is predicted to have improved porosity and pore interconnectivity in silico is presented. With microfluidic fabrication, tunable cavity sizes that optimize interstitial void space features are achieved. In vitro, cells incorporated into MAC scaffolds form extensive 3D multicellular networks. In vivo, the injectable MAC scaffold significantly enhances cell infiltration compared to spherical MAP scaffolds, resulting in increased numbers of myofibroblasts and leukocytes present within the gel without relying on external biomolecular chemoattractants. The results shed light on the critical role of particle shape in cell recruitment, laying the foundation for MAC scaffolds as a next-generation granular hydrogel for diverse tissue engineering applications.
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Affiliation(s)
- Rui-Chian Tang
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Lily Shang
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Philip O Scumpia
- Division of Dermatology, Department of Medicine David Geffen School of Medicine University of California Los Angeles, Los Angeles, CA, 90095, USA
- Department of Dermatology, VA Greater Los Angeles Healthcare System, Los Angeles, CA, 90073, USA
- Jonsson Comprehensive Cancer Center University of California Los Angeles, Los Angeles, CA, 90095, USA
| | - Dino Di Carlo
- Department of Bioengineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
- Jonsson Comprehensive Cancer Center University of California Los Angeles, Los Angeles, CA, 90095, USA
- Department of Mechanical and Aerospace Engineering, University of California Los Angeles, Los Angeles, CA, 90095, USA
- California Nano Systems Institute (CNSI) University of California Los Angeles, Los Angeles, CA, 90095, USA
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2
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Huang Y, Lapanje A, Parakhonskiy B, Skirtach AG. Versatile and durable polyvinyl alcohol/alginate/gelatin/quaternary ammonium chitosan/Fe 3O 4 particles hybrid hydrogel beads: adsorption capabilities for cleaning pollutants. Int J Biol Macromol 2024; 280:135729. [PMID: 39293615 DOI: 10.1016/j.ijbiomac.2024.135729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Revised: 09/07/2024] [Accepted: 09/14/2024] [Indexed: 09/20/2024]
Abstract
A novel hybrid hydrogel bead (HHBFe) composed of polyvinyl alcohol/sodium alginate/gelatin/quaternary ammonium chitosan (PVA/GA/SA/QCS) and Fe3O4 magnetic nanoparticles was developed through green cross-linking of Ca2+ and tannic acid (TA) combined freeze-thaw method. HHBFe exhibited a good spherical shape, porosity, magnetic properties, and excellent mechanical properties and durability. The adsorption capacity of HHB and HHBFe towards methyl orange (MO), tetracycline (Tc), and Cr (VI) was systematically studied and compared. Results revealed similar adsorption capacities for MO and Cr (VI) between HHB and HHBFe, while the presence of Fe3O4 significantly enhanced Tc adsorption, indicating the versatile adsorption functions of HHBFe. Adsorption kinetic followed the pseudo-second-order model, with external diffusion and intra-particle diffusion controlling process. The adsorption data were consistent with the Langmuir isothermal adsorption model, indicating predominantly monolayer adsorption of pollutants by beads. Notably, the beads exhibited easily regenerated, maintaining 60 % of initial adsorption capacity after 5 cycles, particularly for Tc and Cr (VI). The good adsorption performance of HHBFe can be attributed to the strong interaction between their multi-functional groups including phenolic hydroxyl groups, carboxyl groups, amino groups, etc., and pollutant molecules. The multifunctional HHBFe beads prepared in this study and the results obtained with three completely different types of pollutants provide reliability support for their use in different wastewater treatment fields and even in the field of drug carriers.
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Affiliation(s)
- Yanqi Huang
- Nano-Biotechnology Group, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Ales Lapanje
- Department of Environmental Sciences, Institut "Jožef Stefan", Jamova cesta 39, 1000 Ljubljana, Slovenia
| | - Bogdan Parakhonskiy
- Nano-Biotechnology Group, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium
| | - Andre G Skirtach
- Nano-Biotechnology Group, Faculty of Bioscience Engineering, Ghent University, 9000 Ghent, Belgium.
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3
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Afzaal M, Nawaz R, Hussain S, Nadeem M, Irshad MA, Irfan A, Mannan HA, Al-Mutairi AA, Islam A, Al-Hussain SA, Rubab M, Zaki MEA. Removal of oxytetracycline from pharmaceutical wastewater using kappa carrageenan hydrogel. Sci Rep 2024; 14:19687. [PMID: 39181917 PMCID: PMC11344773 DOI: 10.1038/s41598-024-69989-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Accepted: 08/12/2024] [Indexed: 08/27/2024] Open
Abstract
This study investigated the adsorption of Oxytetracycline (OTC) from pharmaceutical wastewater using a kappa carrageenan based hydrogel (KPB). The aim of the present study was to explore the potential of KPB for long-term pharmaceutical wastewater treatment. A sustainable adsorbent was developed to address oxytetracycline (OTC) contamination. The hydrogel's structural and adsorption characteristics were examined using various techniques like Scanning Electron Microscope (SEM), Fourier Transform Infrared (FTIR), X-ray powder diffraction (XRD), and kinetic models. The results revealed considerable changes in the vibrational modes and adsorption bands of the hydrogel, suggesting the effective functionalization of Bentonite nano-clay. Kappa carrageenan based hydrogel achieved the maximum removal (98.5%) of OTC at concerntration of 40 mg/L, pH 8, cotact time of 140 min and adsorbent dose of 0.1 g (KPB-3). Adsorption of OTC increased up to 99% with increasing initial concentrations. The study achieved 95% adsorption capacity for OTC using a KPB film at a concentration of 20 mg/L and a 0.1 g adsorbent dose within 60 min. It also revealed that chemisorptions processes outperform physical adsorption. The Pseudo-Second-Order model, which emphasized the importance of chemical adsorption in the removal process, is better suited to represent the adsorption behavior. Excellent matches were found that R2 = 0.99 for KPB-3, R2 = 0.984 for KPB-2 and R2 = 0.989 for KPB-1 indicated strong chemical bonding interactions. Statisctical analysis (ANOVA) was performed using SPSS (version 25) and it was found that pH and concentration had significant influence on OTC adsorption by the hydrogel, with p-values less than 0.05. The study identified that a Kappa carrageenan-based hydrogel with bentonite nano-clay and polyvinyl alcohol (PVA) can efficiently remove OTC from pharmaceutical effluent, with a p-value of 0.054, but weak positive linear associations with pH, temperature, and contact time. This research contributed to sustainable wastewater treatment and environmental engineering.
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Affiliation(s)
- Muhammad Afzaal
- Sustainable Development Study Centre, Government College University Lahore, Lahore, 54000, Pakistan.
| | - Rab Nawaz
- Department of Environmental Sciences, The University of Lahore, Lahore, 54000, Pakistan
- Faculty of Engineering and Quantity Surveying, INTI International University, 71800, Nilai, Negeri Sembilan, Malaysia
| | - Saddam Hussain
- Sustainable Development Study Centre, Government College University Lahore, Lahore, 54000, Pakistan
| | - Mahnoor Nadeem
- Sustainable Development Study Centre, Government College University Lahore, Lahore, 54000, Pakistan
| | - Muhammad Atif Irshad
- Department of Environmental Sciences, The University of Lahore, Lahore, 54000, Pakistan
| | - Ali Irfan
- Department of Chemistry, Government College University Faisalabad, Faisalabad, 38000, Pakistan.
| | - Hafiz Abdul Mannan
- Institute of Polymer and Textile Engineering, University of the Punjab, Lahore, 54590, Pakistan
| | - Aamal A Al-Mutairi
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), 11623, Riyadh, Saudi Arabia
| | - Atif Islam
- Institute of Polymer and Textile Engineering, University of the Punjab, Lahore, 54590, Pakistan
- School of Chemistry, University of the Punjab, Lahore, 54590, Pakistan
| | - Sami A Al-Hussain
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), 11623, Riyadh, Saudi Arabia
| | - Mehwish Rubab
- Department of Environmental Science, University of Okara, Renala Khurd Okara, 56130, Pakistan
| | - Magdi E A Zaki
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), 11623, Riyadh, Saudi Arabia.
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Tan Z, Chen C, Tang W. Advances in Hydrogels Research for Ion Detection and Adsorption. Crit Rev Anal Chem 2024:1-23. [PMID: 39128001 DOI: 10.1080/10408347.2024.2388817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
The continuing development of heavy industry worldwide has led to an exponential increase in the amount of wastewater discharged from factories and entering the natural world in the form of rivers and air. As the top of the food chain in the natural world, toxic ions penetrate the human body through the skin, nose, and a few milligrams of toxic ions can often cause irreversible damage to the human body, so ion detection and adsorption is related to the health and safety of human beings. Hydrogel is a hydrophilic three-dimensional reticulated polymer material that first synthesized by Wichterle and Lim in 1960, which is rich in porous structure and has a variety of active adsorption sites as a new type of adsorbent and can be used to detect ions through the introduction of photonic crystals, DNA, fluorescent probe, and other materials. This review describes several synthetic and natural hydrogels for the adsorption and detection of ions and discusses the mechanism of ion adsorption by hydrogels, and provide a perspective for the future development.
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Affiliation(s)
- Zhenjiang Tan
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, School of Energy and Materials, Shanghai Polytechnic University, Shanghai, China
| | - Cheng Chen
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, School of Energy and Materials, Shanghai Polytechnic University, Shanghai, China
- Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, Shanghai, China
| | - Wenwei Tang
- School of Mathematics Physics and Statistics, Shanghai Polytechnic University, Shanghai, China
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Zhang Y, Fang M, Zhu J, Li T, Li N, Su B, Sun GD, Li L, Zhou C. Exosome-loaded hyaluronic acid hydrogel composite with oxygen-producing 3D printed polylactic acid scaffolds for bone tissue repair and regeneration. Int J Biol Macromol 2024; 274:132970. [PMID: 38876239 DOI: 10.1016/j.ijbiomac.2024.132970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/28/2024] [Accepted: 06/05/2024] [Indexed: 06/16/2024]
Abstract
Bone defects can interfere with bone healing by disrupting the local environment, resulting in vascular damage and hypoxia. Under these conditions, insufficient oxygen availability is a significant factor that exacerbates disease by blocking angiogenesis or osteogenesis. Exosomes play a crucial role in intercellular communication and modulation of inflammation to aid bone regeneration. However, the distance between exosomes and areas of damage can hinder efficient bone generation and cell survival. To overcome this limitation, we fabricated a continuous oxygen-supplying composite scaffold, with the encapsulation of calcium peroxide in a polylactic acid three-dimensional (3D) printing construct (CPS), as both an oxygen source and hydroxyapatite (HAP) precursor. Furthermore, bone marrow mesenchymal stem cell (BMSC)-derived exosomes were incorporated into hyaluronic acid (HA) hydrogels to stimulate cell growth and modulate inflammation. The release of exosomes into cells leads to an increase in alkaline phosphatase production. In vivo results demonstrated that the composite scaffold regulated the inflammatory microenvironment, relieved tissue hypoxia, and promoted new bone formation. These results indicate that the synergistic effect of exosomes and oxygen promoted the proliferation of BMSCs, alleviated inflammation and exhibited excellent osteogenic properties. In conclusion, this osteogenic functional composite scaffold material offers a highly effective approach for bone repair.
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Affiliation(s)
- Yifan Zhang
- Guangdong Provincial Key Laboratory of Spine and Spinal Cord Reconstruction, The Fifth Affiliated Hospital (Heyuan Shenhe People's Hospital), Jinan University, Heyuan 517000, China; Department of Materials Science and Engineering, Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, China
| | - Min Fang
- Department of Materials Science and Engineering, Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, China
| | - Junbin Zhu
- Department of Orthopedics, The First Affiliated Hospital, Jinan University, Guangzhou 510630, China
| | - Ting Li
- Department of Materials Science and Engineering, Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, China
| | - Na Li
- Foshan Stomatology Hospital, School of Medicine, Foshan University, Foshan 528225, China
| | - Bo Su
- School of Physical Education and Sports, Su Bing Tian Center for Speed Research and Training, Jinan University, West Huangpu Avenue 601, Guangzhou 510632, China
| | - Guo-Dong Sun
- Guangdong Provincial Key Laboratory of Spine and Spinal Cord Reconstruction, The Fifth Affiliated Hospital (Heyuan Shenhe People's Hospital), Jinan University, Heyuan 517000, China; Department of Materials Science and Engineering, Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, China.
| | - Lihua Li
- Guangdong Provincial Key Laboratory of Spine and Spinal Cord Reconstruction, The Fifth Affiliated Hospital (Heyuan Shenhe People's Hospital), Jinan University, Heyuan 517000, China; Department of Materials Science and Engineering, Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, China.
| | - Changren Zhou
- Department of Materials Science and Engineering, Engineering Research Center of Artificial Organs and Materials, Jinan University, Guangzhou 510632, China
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Geng H, Chen M, Guo C, Wang W, Chen D. Marine polysaccharides: Biological activities and applications in drug delivery systems. Carbohydr Res 2024; 538:109071. [PMID: 38471432 DOI: 10.1016/j.carres.2024.109071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 02/23/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
The ocean is the common home of a large number of marine organisms, including plants, animals, and microorganisms. Researchers can extract thousands of important bioactive components from the oceans and use them extensively to treat and prevent diseases. In contrast, marine polysaccharide macromolecules such as alginate, carrageenan, Laminarin, fucoidan, chitosan, and hyaluronic acid have excellent physicochemical properties, good biocompatibility, and high bioactivity, which ensures their wide applications and strong therapeutic potentials in drug delivery. Drug delivery systems (DDS) based on marine polysaccharides and modified marine polysaccharide molecules have emerged as an innovative technology for controlling drug distribution on temporal, spatial, and dosage scales. They can detect and respond to external stimuli such as pH, temperature, and electric fields. These properties have led to their wide application in the design of novel drug delivery systems such as hydrogels, polymeric micelles, liposomes, microneedles, microspheres, etc. In addition, marine polysaccharide-based DDS not only have smart response properties but also can combine with the unique biological properties of the marine polysaccharide base to exert synergistic therapeutic effects. The biological activities of marine polysaccharides and the design of marine polysaccharide-based DDS are reviewed. Marine polysaccharide-based responsive DDS are expected to provide new strategies and solutions for disease treatment.
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Affiliation(s)
- Hongxu Geng
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs, School of Pharmacy, Yantai University, Yantai, 264005, PR China.
| | - Meijun Chen
- Yantai Muping District Hospital of Traditional Chinese Medicine, No.505, Government Street, Muping District, Yantai, 264110, PR China.
| | - Chunjing Guo
- College of Marine Life Science, Ocean University of China, 5# Yushan 10 Road, Qingdao, 266003, PR China.
| | - Wenxin Wang
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs, School of Pharmacy, Yantai University, Yantai, 264005, PR China.
| | - Daquan Chen
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs, School of Pharmacy, Yantai University, Yantai, 264005, PR China.
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El-Husseiny HM, Mady EA, Doghish AS, Zewail MB, Abdelfatah AM, Noshy M, Mohammed OA, El-Dakroury WA. Smart/stimuli-responsive chitosan/gelatin and other polymeric macromolecules natural hydrogels vs. synthetic hydrogels systems for brain tissue engineering: A state-of-the-art review. Int J Biol Macromol 2024; 260:129323. [PMID: 38242393 DOI: 10.1016/j.ijbiomac.2024.129323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 12/30/2023] [Accepted: 01/05/2024] [Indexed: 01/21/2024]
Abstract
Currently, there are no viable curative treatments that can enhance the central nervous system's (CNS) recovery from trauma or illness. Bioengineered injectable smart/stimuli-responsive hydrogels (SSRHs) that mirror the intricacy of the CNS milieu and architecture have been suggested as a way to get around these restrictions in combination with medication and cell therapy. Additionally, the right biophysical and pharmacological stimuli are required to boost meaningful CNS regeneration. Recent research has focused heavily on developing SSRHs as cutting-edge delivery systems that can direct the regeneration of brain tissue. In the present article, we have discussed the pathology of brain injuries, and the applicable strategies employed to regenerate the brain tissues. Moreover, the most promising SSRHs for neural tissue engineering (TE) including alginate (Alg.), hyaluronic acid (HA), chitosan (CH), gelatin, and collagen are used in natural polymer-based hydrogels and thoroughly discussed in this review. The ability of these hydrogels to distribute bioactive substances or cells in response to internal and external stimuli is highlighted with particular attention. In addition, this article provides a summary of the most cutting-edge techniques for CNS recovery employing SSRHs for several neurodegenerative diseases.
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Affiliation(s)
- Hussein M El-Husseiny
- Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya 13736, Egypt.
| | - Eman A Mady
- Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai Cho, Fuchu-shi, Tokyo 183-8509, Japan; Department of Animal Hygiene, Behavior and Management, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Elqaliobiya 13736, Egypt.
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Department of Biochemistry, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo, Egypt.
| | - Moataz B Zewail
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo, Badr City, Cairo 11829, Egypt
| | - Amr M Abdelfatah
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mina Noshy
- Clinical Pharmacy Department, Faculty of Pharmacy, King Salman International University (KSIU), South Sinai, Ras Sudr 46612, Egypt
| | - Osama A Mohammed
- Department of Pharmacology, College of Medicine, University of Bisha, Bisha 61922, Saudi Arabia
| | - Walaa A El-Dakroury
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Badr University in Cairo, Badr City, Cairo 11829, Egypt
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Diacon A, Albota F, Mocanu A, Brincoveanu O, Podaru AI, Rotariu T, Ahmad AA, Rusen E, Toader G. Dual-Responsive Hydrogels for Mercury Ion Detection and Removal from Wastewater. Gels 2024; 10:113. [PMID: 38391443 PMCID: PMC10887514 DOI: 10.3390/gels10020113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/12/2024] [Accepted: 01/26/2024] [Indexed: 02/24/2024] Open
Abstract
This study describes the development of a fast and cost-effective method for the detection and removal of Hg2+ ions from aqueous media, consisting of hydrogels incorporating chelating agents and a rhodamine derivative (to afford a qualitative evaluation of the heavy metal entrapment inside the 3D polymeric matrix). These hydrogels, designed for the simultaneous detection and entrapment of mercury, were obtained through the photopolymerization of 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPSA) and N-vinyl-2-pyrrolidone (NVP), utilizing N,N'-methylenebisacrylamide (MBA) as crosslinker, in the presence of polyvinyl alcohol (PVA), a rhodamine B derivative, and one of the following chelating agents: phytic acid, 1,3-diamino-2-hydroxypropane-tetraacetic acid, triethylenetetramine-hexaacetic acid, or ethylenediaminetetraacetic acid disodium salt. The rhodamine derivative had a dual purpose in this study: firstly, it was incorporated into the hydrogel to allow the qualitative evaluation of mercury entrapment through its fluorogenic switch-off abilities when sensing Hg2+ ions; secondly, it was used to quantitatively evaluate the level of residual mercury from the decontaminated aqueous solutions, via the UV-Vis technique. The ICP-MS analysis of the hydrogels also confirmed the successful entrapment of mercury inside the hydrogels and a good correlation with the UV-Vis method.
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Affiliation(s)
- Aurel Diacon
- Military Technical Academy "Ferdinand I", 39-49 G. Cosbuc Blvd., 050141 Bucharest, Romania
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politechnica Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Florin Albota
- Horia Hulubei National Institute of Physics and Nuclear Engineering, 30 Reactorului Street, 077125 Magurele, Romania
| | - Alexandra Mocanu
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politechnica Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
- National Institute for Research and Development in Microtechnologies-IMT Bucharest, 126A Erou Iancu Nicolae Street, 077190 Bucharest, Romania
| | - Oana Brincoveanu
- National Institute for Research and Development in Microtechnologies-IMT Bucharest, 126A Erou Iancu Nicolae Street, 077190 Bucharest, Romania
- Research Institute, University of Bucharest, 90 Sos. Panduri, 050663 Bucharest, Romania
| | - Alice Ionela Podaru
- Military Technical Academy "Ferdinand I", 39-49 G. Cosbuc Blvd., 050141 Bucharest, Romania
| | - Traian Rotariu
- Military Technical Academy "Ferdinand I", 39-49 G. Cosbuc Blvd., 050141 Bucharest, Romania
| | - Ahmad A Ahmad
- Department of Physical Sciences, Jordan University of Science & Technology, P.O. Box 3030, Irbid 22110, Jordan
| | - Edina Rusen
- Faculty of Chemical Engineering and Biotechnologies, National University of Science and Technology Politechnica Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Gabriela Toader
- Military Technical Academy "Ferdinand I", 39-49 G. Cosbuc Blvd., 050141 Bucharest, Romania
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Mondal H, Karmakar M, Datta B. An MXene-Grafted Terpolymer Hydrogel for Adsorptive Immobilization of Toxic Pb(II) and Post-Adsorption Application of Metal Ion Hydrogel. Gels 2023; 9:827. [PMID: 37888400 PMCID: PMC10606399 DOI: 10.3390/gels9100827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 10/12/2023] [Accepted: 10/17/2023] [Indexed: 10/28/2023] Open
Abstract
Toxic metal ions present in industrial waste, such as Pb(II), introduce deleterious effects on the environment. Though the adsorptive removal of Pb(II) is widely reported, there is a dearth of research on the suitable utilization and disposal of the Pb(II)-adsorbed adsorbent. In this work, an MXene-grafted terpolymer (MXTP) hydrogel has been designed for the adsorption of Pb(II) under ambient conditions of pH and temperature. The hydrogel MXTP was synthesized by facile one-pot polymerization in aqueous solvent, and the detailed structural characterization of terpolymer (TP), MXTP, and Pb(II)-loaded MXTP, i.e., Pb(II)-MXTP, was carried out by a combination of proton nuclear magnetic resonance (1H NMR), Fourier-transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), X-ray diffractometric (XRD), thermogravimetric/differential thermogravimetric (TG/ DTG), and field emission scanning electron microscopic (FESEM) analyses. The specific capacitance and conductivities of Pb(II)-MXTP were studied with cyclic voltammetry (CV) and electrical impedance spectroscopy (EIS), which unambiguously indicate successful post-adsorption application. The specific capacitance of MXTP decreased after Pb(II) adsorption, whereas the conductivity increased significantly after Pb(II) adsorption, showing that MXTP can be successfully deployed as a solid electrolyte/anode after Pb(II) adsorption. This study covers the synthesis of a novel MXene-grafted terpolymer hydrogel for adsorptive exclusion of Pb(II) and assessment of the as-adsorbed Pb(II)-loaded hydrogel as a solid electrolyte/anode material and is the first demonstration of such post-adsorptive application.
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Affiliation(s)
- Himarati Mondal
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj 382055, Gujarat, India
| | - Mrinmoy Karmakar
- Department of Chemical Engineering, Indian Institute of Technology Gandhinagar, Palaj 382055, Gujarat, India
- Presently in Department of Pharmacy, College of Pharmacy, Kangwon National University, Chuncheon 24341, Gangwon, Republic of Korea
| | - Bhaskar Datta
- Department of Chemistry, Indian Institute of Technology Gandhinagar, Palaj 382055, Gujarat, India
- Department of Biological Engineering, Indian Institute of Technology Gandhinagar, Palaj 382055, Gujarat, India
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10
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Li J, Zhang J, Wang Q, Fu X, Deng G. Preparation, characterization, and adsorption kinetics of methylene blue dye in sodium alginate hydrogel with improved stability. Colloid Polym Sci 2023. [DOI: 10.1007/s00396-023-05072-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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11
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Gao X, Huang X, Lin J, Yu C, Tang C, Huang Y. Porous boron nitride nanofibers enhanced sodium acrylate and acrylamide copolymer hydrogels for effective adsorption of Pb 2. SOFT MATTER 2023; 19:973-982. [PMID: 36636922 DOI: 10.1039/d2sm01341j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
A new composite hydrogel adsorbent for adsorption of Pb2+ has been prepared by combining porous boron nitride nanofibers (BNNFs) and the acrylamide and sodium acrylate copolymer (P(AANa-co-AM)) via a chemical crosslinking method. Porous BNNFs with abundant hydroxyl functional groups can form hydrogen bond interactions with carboxyl and amino functional groups of the copolymer in the composite hydrogel and carry and dissipate forces for the composite hydrogels. So the mechanical performances of the copolymer hydrogels can be effectively improved, which is very valuable for the practical application of the composite hydrogel to remove Pb2+ from waste water. The thermal stability and swelling performance of the pure copolymer hydrogels were also greatly improved. This is not only because of the strong hydrogen bond interactions but also the good thermal stability and flexibility of BNNFs. The composite hydrogel adsorbent shows superior adsorption capacity for Pb2+ (490.2 mg g-1) to most of the reported hydrogel adsorbents. The chemisorption dominates the whole adsorption process according to the pseudo-second-order kinetic and the Langmuir models. The composite hydrogel adsorbent also shows good reusability. Therefore, we believe that the prepared composite hydrogels will play an important role in removing Pb2+ from wastewater.
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Affiliation(s)
- Xiangqian Gao
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P. R. China.
| | - Xindi Huang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P. R. China.
| | - Jing Lin
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P. R. China.
| | - Chao Yu
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P. R. China.
| | - Chengchun Tang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P. R. China.
| | - Yang Huang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, P. R. China
- Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin 300130, P. R. China.
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12
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Boulett A, Roa K, Oyarce E, Xiao LP, Sun RC, Pizarro GDC, Sánchez J. Reusable hydrogels based on lignosulfonate and cationic polymer for the removal of Cr(VI) from wastewater. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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13
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Parvini E, Hajalilou A, Lopes PA, Tiago MSM, de Almeida AT, Tavakoli M. Triple crosslinking conductive hydrogels with digitally printable and outstanding mechanical stability for high-resolution conformable bioelectronics. SOFT MATTER 2022; 18:8486-8503. [PMID: 36321471 DOI: 10.1039/d2sm01103d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Soft, conductive, and stretchable hydrogels offer a broad variety of applications, including skin-interfacing electrodes, biomonitoring patches, and electrostimulation. Despite rapid developments over the last decades, a combination of good electrical and mechanical properties, low-cost fabrication, and biocompatibility is yet to be demonstrated. Also, the current methods for deposition and patterning of these hydrogels are manual, and there is a need toward autonomous and digital fabrication techniques. In this work, we demonstrate a novel Gallium (Ga) embedded sodium-alginate-polyacrylamide-LAPONITE® (Ga-SA-PAAM-La) hydrogel, that is ultra-stretchable (Maximum strain tolerance of∼985%), tough (toughness ∼30 kJ m-3), bio-adhesive (adhesion energy ∼216 J m-2), conductive, and digitally printable. Ga nanoparticles are used as radical initiators. By adjusting the sonication parameters, we control the solution viscosity and curing time, thus allowing us to prepare pre-polymers with the desired properties for casting, or digital printing. These hydrogels benefit from a triple-network structure due to the role of Ga droplets as crosslinkers besides BIS (N,N'-methylene-bis-acrylamide) and LAPONITE®, thus resulting in tough composite hydrogels. The inclusion of LAPONITE® into the hydrogel network improved its electrical conductivity, adhesion, digital printability, and its mechanical properties, (>6× compared to the same hydrogel without LAPONITE®). As electrodes in the electrocardiogram, the signal-to-noise ratio was surprisingly higher than the medical-grade Ag/AgCl electrodes, which are applied for monitoring muscles, heart, respiration, and body joint angle through EMG, ECG, and bioimpedance measurements. The results obtained prove that such digitally printed conductive and tough hydrogels can be used as potential electrodes and sensors in practical applications in the next generation of printed wearable computing devices.
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Affiliation(s)
- Elahe Parvini
- Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, 3030-290, Portugal.
| | - Abdollah Hajalilou
- Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, 3030-290, Portugal.
| | - Pedro Alhais Lopes
- Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, 3030-290, Portugal.
| | - Miguel Soares Maranha Tiago
- Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, 3030-290, Portugal.
| | - Anibal T de Almeida
- Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, 3030-290, Portugal.
| | - Mahmoud Tavakoli
- Institute of Systems and Robotics, Department of Electrical Engineering, University of Coimbra, Coimbra, 3030-290, Portugal.
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14
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Güngör Z, Ozay H. Use of cationic p[2-(acryloyloxy)ethyl] trimethylammonium chloride in hydrogel synthesis and adsorption of methyl orange with jeffamine based crosslinker. J DISPER SCI TECHNOL 2022. [DOI: 10.1080/01932691.2022.2129676] [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]
Affiliation(s)
- Zeynep Güngör
- School of Graduate Studies, Department of Chemistry, Çanakkale Onsekiz Mart University, Çanakkale, Türkiye
| | - Hava Ozay
- Laboratory of Inorganic Materials, Department of Chemistry, Faculty of Science, Çanakkale Onsekiz Mart University, Çanakkale, Türkiye
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15
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Chen J, Peng Q, Peng X, Zhang H, Zeng H. Probing and Manipulating Noncovalent Interactions in Functional Polymeric Systems. Chem Rev 2022; 122:14594-14678. [PMID: 36054924 DOI: 10.1021/acs.chemrev.2c00215] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Noncovalent interactions, which usually feature tunable strength, reversibility, and environmental adaptability, have been recognized as driving forces in a variety of biological and chemical processes, contributing to the recognition between molecules, the formation of molecule clusters, and the establishment of complex structures of macromolecules. The marriage of noncovalent interactions and conventional covalent polymers offers the systems novel mechanical, physicochemical, and biological properties, which are highly dependent on the binding mechanisms of the noncovalent interactions that can be illuminated via quantification. This review systematically discusses the nanomechanical characterization of typical noncovalent interactions in polymeric systems, mainly through direct force measurements at microscopic, nanoscopic, and molecular levels, which provide quantitative information (e.g., ranges, strengths, and dynamics) on the binding behaviors. The fundamental understandings of intermolecular and interfacial interactions are then correlated to the macroscopic performances of a series of noncovalently bonded polymers, whose functions (e.g., stimuli-responsiveness, self-healing capacity, universal adhesiveness) can be customized through the manipulation of the noncovalent interactions, providing insights into the rational design of advanced materials with applications in biomedical, energy, environmental, and other engineering fields.
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Affiliation(s)
- Jingsi Chen
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Qiongyao Peng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Xuwen Peng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Hao Zhang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Hongbo Zeng
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
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16
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Zhou Y, Wang Y, Dong S, Hao H, Li J, Liu C, Li X, Tong Y. Phosphate removal by a La(OH) 3 loaded magnetic MAPTAC-based cationic hydrogel: Enhanced surface charge density and Donnan membrane effect. J Environ Sci (China) 2022; 113:26-39. [PMID: 34963534 DOI: 10.1016/j.jes.2021.05.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/19/2021] [Accepted: 05/26/2021] [Indexed: 06/14/2023]
Abstract
Cationic hydrogels have received great attention to control eutrophication and recycle phosphate. In this study, a type of La(OH)3 loaded magnetic MAPTAC-based cationic hydrogel (La(OH)3@MMCH) was developed as a potential adsorbent for enhanced phosphate removal from aqueous environment. La(OH)3@MMCH exhibited high adsorption capacity of 105.72±5.99 mg P/g, and reached equilibrium within 2 hr. La(OH)3@MMCH could perform effectively in a wide pH range from 3.0 to 9.0 and in the presence of coexisting ions (including SO42-, Cl-, NO3-, HCO3-, SiO44- and HA). The adsorption-desorption experiment indicated that La(OH)3@MMCH could be easily regenerated by using NaOH-NaCl as the desorption agent, and 73.3% adsorption capacity remained after five cycles. Moreover, La(OH)3@MMCH was employed to treat surface water with phosphate concentration of 1.90 mg/L and showed great removal efficiency of 95.21%. Actually, MMCH showed high surface charge density of 34.38-59.38 meq/kg in the pH range from 3.0 to 11.0 and great swelling ratio of 3014.57% within 24 h, indicating that MMCH could produce the enhanced Donnan membrane effect to pre-permeate phosphate. Furthermore, the bifunctional structure of La(OH)3@MMCH enabled it to capture phosphate through electrostatic attraction and ligand exchange. All the results prove that La(OH)3@MMCH is a promising adsorbent for eutrophication control and phosphate recovery.
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Affiliation(s)
- Yanqing Zhou
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Yili Wang
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China.
| | - Shuoxun Dong
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100083, China
| | - Haotian Hao
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Junyi Li
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Chenyang Liu
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Xiaolin Li
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
| | - Yao Tong
- College of Environmental Science and Engineering, Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China
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17
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Polysaccharide hydrogels: Functionalization, construction and served as scaffold for tissue engineering. Carbohydr Polym 2022; 278:118952. [PMID: 34973769 DOI: 10.1016/j.carbpol.2021.118952] [Citation(s) in RCA: 96] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 11/07/2021] [Accepted: 11/26/2021] [Indexed: 02/07/2023]
Abstract
Polysaccharide hydrogels have been widely utilized in tissue engineering. They interact with the organismal environments, modulating the cargos release and realizing of long-term survival and activations of living cells. In this review, the potential strategies for modification of polysaccharides were introduced firstly. It is not only used to functionalize the polysaccharides for the consequent formation of hydrogels, but also used to introduce versatile side groups for the regulation of cell behavior. Then, techniques and underlying mechanisms in inducing the formation of hydrogels by polysaccharides or their derivatives are briefly summarized. Finally, the applications of polysaccharide hydrogels in vivo, mainly focus on the performance for alleviation of foreign-body response (FBR) and as cell scaffolds for tissue regeneration, are exemplified. In addition, the perspectives and challenges for further research are addressed. It aims to provide a comprehensive framework about the potentials and challenges that the polysaccharide hydrogels confronting in tissue engineering.
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18
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Yuan M, Gu Z, Minale M, Xia S, Zhao J, Wang X. Simultaneous adsorption and oxidation of Sb(III) from water by the pH-sensitive superabsorbent polymer hydrogel incorporated with Fe-Mn binary oxides composite. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127013. [PMID: 34461535 DOI: 10.1016/j.jhazmat.2021.127013] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/25/2021] [Accepted: 08/20/2021] [Indexed: 05/27/2023]
Abstract
In this work, the superabsorbent polymer hydrogel (SPH) of Poly(potassium acrylate-co-acrylamide (PPAA)) incorporated with Fe-Mn binary oxides (FMBOs) was synthesized and used for the removal of Sb(III) from water. Characterization analysis proved that FMBO3 was successfully encapsulated into the SPH. The Fe/Mn oxide species in the composite SPH comprised FeO(OH), Fe2O3, MnO(OH), and MnO2. The functional groups including N-H, -OH, carboxy as well as Fe atoms were confirmed adsorption sites through ligand exchange and inner-sphere complexes formation. Mn oxides can partially oxidize Sb(III) to Sb(V). Compared with the pseudo-first-order model, the pseudo-second-order model could better describe the adsorption kinetics. And the swelling degree of the composite SPH had a positive impact on the removal rate. The Langmuir-Freundlich model was the most suitable isotherm model to analyze the experimental data. According to thermodynamic parameters, the adsorption process was a spontaneous exothermic reaction. The maximum adsorption capacity of the composite SPH for Sb(III) could be up to 105.59 mg/g at 288 K. In addition, a stable removal rate can be achieved over a wide pH range of 3-10, with little metal leaching even under acidic conditions. Furthermore, coexisting ions and DOM displayed an insignificant influence on the adsorption of Sb(III).
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Affiliation(s)
- Meng Yuan
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
| | - Zaoli Gu
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.
| | - Mengist Minale
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
| | - Siqing Xia
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
| | - Jianfu Zhao
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
| | - Xuejiang Wang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.
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19
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Semenova A, Vidallon MLP, Follink B, Brown PL, Tabor RF. Synthesis and Characterization of Polyethylenimine-Silica Nanocomposite Microparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:191-202. [PMID: 34932365 DOI: 10.1021/acs.langmuir.1c02393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A novel procedure for the synthesis of polyethylenimine (PEI)-silica nanocomposite particles with high adsorption capacities has been developed based on an emulsion templating concept. The exceptional chelating properties of PEI as the parent polymer for the particle core promote the binding abilities of the resulting composite for charged species. Further, the subsequent introduction of silica via the self-catalyzed hydrolysis of tetraethoxysilane facilitates production of robust composite particles with smooth surfaces, enabling potential use in multiphase environments. To enable tailored application in solid/liquid porous environments, the production of particles with reduced sizes was attempted by modulating the shear rates and surfactant concentrations during emulsification. The use of high-speed homogenization resulted in a substantial decrease in average particle size, while increasing surfactant loading only had a limited effect. All types of nanocomposites produced demonstrated excellent binding capacities for copper ions as a test solute. The maximum binding capacities of the PEI-silica nanocomposites of 210-250 mg/g are comparable to or exceed those of other copper binding materials, opening up great application potential in resources, chemical processing, and remediation industries.
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Affiliation(s)
- Alexandra Semenova
- School of Chemistry, Monash University, 19 Rainforest Walk, Clayton 3800, Australia
| | | | - Bart Follink
- School of Chemistry, Monash University, 19 Rainforest Walk, Clayton 3800, Australia
| | - Paul L Brown
- Bundoora Technical Development Centre, Rio Tinto, 1 Research Avenue, Bundoora 3083, Australia
| | - Rico F Tabor
- School of Chemistry, Monash University, 19 Rainforest Walk, Clayton 3800, Australia
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20
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Jovanovic JD, Adnadjevic BK. Kinetics of the Release of Nicotinamide Absorbed on Partially Neutralized Poly(acrylic-co-methacrylic acid) Xerogel under the Conditions of Simultaneous Microwave Heating and Cooling. Gels 2021; 7:gels7040193. [PMID: 34842663 PMCID: PMC8628703 DOI: 10.3390/gels7040193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/24/2021] [Accepted: 10/27/2021] [Indexed: 01/28/2023] Open
Abstract
The kinetics of release of nicotinamide (NIAM) that was absorbed on partially neutralized poly(acrylic-co-methacrylic) (PAM) xerogel/hydrogel, under the conditions of simultaneous microwave heating and cooling (SMHC) were examined. The kinetics curves of NIAM release into an aqueous solution at temperatures of 308-323 K were recorded. By applying the model-fitting method (MFM), it was found that the kinetics of NIAM release can be modeled by a kinetic model of a first-order chemical reaction. The values of the release rate constants (kM) at different temperatures were calculated, and their values were found to be within the range 8.4 10-3 s -1-15.7 10-3 s-1. It has been established that the Arrhenius equation was valid even in the conditions of SMHC. The values of the kinetic parameters (activation energy (Ea) and pre-exponential factor (A) of the NIAM release process adsorbed on PAM xerogel/hydrogel were calculated as follows: Ea = 25.6 kJ/mol and ln (A/s-1) = 5.21. It has been proven that the higher value of the rate constant at SMHC in relation to CH is not a consequence of the overheating of the reaction system or the appearance of "hot-points". The values of change of the enthalpy of activation (ΔH*) and the change of entropy of activation (ΔS*) were calculated as follows: ΔH* = +23.82 kJ/mol and ΔS* = -201.4 J/mol K. The calculated higher values of the kinetic parameters and thermodynamic parameters of activation are explained by the formation of a specific activated complex under SMHC, whose structure and degree of order are different than in the one formed under CH.
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Affiliation(s)
- Jelena D. Jovanovic
- Institute of General and Physical Chemistry, University of Belgrade, Studentski trg 12–16, 11001 Belgrade, Serbia
- Correspondence:
| | - Borivoj K. Adnadjevic
- Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12–16, 11001 Belgrade, Serbia;
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21
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Yang M, Wu J, Graham GM, Lin J, Huang M. Hotspots, Frontiers, and Emerging Trends of Superabsorbent Polymer Research: A Comprehensive Review. Front Chem 2021; 9:688127. [PMID: 34395377 PMCID: PMC8358602 DOI: 10.3389/fchem.2021.688127] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/22/2021] [Indexed: 11/13/2022] Open
Abstract
Superabsorbent polymer (SAP) is a kind of functional macromolecule with super-high water absorption and retention properties, which attracts extensive research and has wide application, especially in the areas of hygiene and agriculture. With reference to the Web of Science database, the SAP research literature from 2000 to 2019 is reviewed both quantitatively and qualitatively. By examining research hotspots, top research clusters, the most influential works, the representative frontier literature, and key emerging research trends, a visual panorama of the continuously and significantly increasing SAP research over the past 2 decades was presented, and issues behind the sharp increase in the literature were discovered. The findings are as follows. The top ten keywords/hotspots headed by hydrogel highlight the academic attention on SAP properties and composites. The top ten research themes headed by clay-based composites which boast the longest duration and the strongest impact have revealed the academic preference for application rather than theoretical study. Academically influential scholars and research studies have been acknowledged, and the Wu group was at the forefront of the research; however, more statistically significant works have been less detected in the last 10 years despite the sharper increase in publications. Hydrogel, internal curing, and aerogel are both current advances and future directions.
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Affiliation(s)
- Minmin Yang
- College of Foreign Languages, International School, Huaqiao Univ., Quanzhou, China
| | - Jihuai Wu
- Engineering Research Centre of Environment-Friendly Functional Materials, Ministry of Education Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, China
| | - Geoffrey M. Graham
- College of Foreign Languages, International School, Huaqiao Univ., Quanzhou, China
| | - Jianming Lin
- Engineering Research Centre of Environment-Friendly Functional Materials, Ministry of Education Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, China
| | - Miaoliang Huang
- Engineering Research Centre of Environment-Friendly Functional Materials, Ministry of Education Institute of Materials Physical Chemistry, Huaqiao University, Quanzhou, China
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22
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Zhang W, Wang Z, Liu Y, Feng J, Han J, Yan W. Effective removal of ammonium nitrogen using titanate adsorbent: Capacity evaluation focusing on cation exchange. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 771:144800. [PMID: 33545477 DOI: 10.1016/j.scitotenv.2020.144800] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 12/19/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
Cation exchange is one of the dominant mechanisms in the adsorption of cationic ammonium nitrogen (NH4+) from water. In this study, we focus on the role of counter cations in cation exchange process of NH4+ to enhance the adsorption capacity. Five amorphous titanates namely lithium titanate (LiT), sodium titanate (NaT), potassium titanate (KT), strontium titanate (SrT) and barium titanate (BaT) with different counter cation were facilely synthesized. The adsorption performance for NH4+ by these samples is in the order of LiT> NaT > KT> > SrT > BaT. The maximum adsorption capacity of LiT calculated by Langmuir is as high as 50.31 mg·g-1. According to the experimental results and theoretical analysis, the electrostatic interaction between counter ions (cations in framework or eternal solution) and charged framework (fixed ions) is the main influence factor during cation exchange process in general. The cation valence and the hydrated ionic radius of the counter ions can inversely affect the ion exchange equilibrium and the affinity of counter ions to titanates. Therefore, a definition of a brief parameter, affinity coefficient Kf (relating to ion valence and distance between opposite charged ions), is introduced and used to explain the difference in adsorption performance of five titanates for NH4+. The conclusion about cation exchange and ions affinity may provide possible strategies for enhancement of cationic contaminant adsorption from water or wastewater.
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Affiliation(s)
- Wenlong Zhang
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Zhenyu Wang
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Yunpeng Liu
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Jiangtao Feng
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
| | - Jie Han
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
| | - Wei Yan
- Department of Environmental Science and Engineering, State Key Laboratory of Multiphase Flow in Power Engineering, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
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Development and Evaluation of Superabsorbent Hydrogels Based on Natural Polymers. Polymers (Basel) 2020; 12:polym12102173. [PMID: 32977618 PMCID: PMC7598176 DOI: 10.3390/polym12102173] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 09/16/2020] [Accepted: 09/17/2020] [Indexed: 11/16/2022] Open
Abstract
Superabsorbent hydrogels (SAHs) are three dimensional networks formed by polymers that can absorb aqueous solution of over 100% of their initial weight. This work aimed to develop and characterize SAHs of Chitosan/Xanthan gum (CG), Chitosan/Alginate (CA) and controlled Chitosan (C), Xanthan gum (G), and Alginate (A) produced using “onion-like” methodology. The swelling performance, the morphological structure, the crystallinity, and the Fourier transformed infrared spectroscopy characteristics of SAH were used for the characterization of polyelectrolytes complex. Swelling analysis showed that chitosan has a strong influence on the maintenance of hydrogels structure after swelling, mainly in the acid environment (pH = 2). The chitosan hydrogel presented around 3000% of acidic fluid absorption after 24 h. The chitosan:xanthan gum (1:1 and 2:1 named as C1G1 and C2G1, respectively) hydrogels were the best combination regarding swelling performance in an acid environment, reaching 1665% and 2024%, respectively, as well at pH 7.0, presenting 1005% (C1G1) and 667% (C2G1). Scanning electron microscopy analysis showed samples with pores, and with different shapes. The X-ray diffraction showed the presence of a characteristic peak at 2θ = 20° in all developed composition because of the crystalline nature of chitosan. This work shows the possibility of developing eco-friendly biopolymer-based SAHs at a low cost with a good swelling capacity and stability.
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24
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Removal of copper ions using poly (acrylic acid-co-acrylamide) hydrogel microspheres with controllable size prepared by W/O Pickering emulsions. Colloid Polym Sci 2020. [DOI: 10.1007/s00396-020-04715-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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25
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Salehi AA, Ghannadi-Maragheh M, Torab-Mostaedi M, Torkaman R, Asadollahzadeh M. Hydrogel materials as an emerging platform for desalination and the production of purified water. SEPARATION & PURIFICATION REVIEWS 2020. [DOI: 10.1080/15422119.2020.1789659] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Ali Akbar Salehi
- Department of Energy Engineering, Sharif University of Technology, Tehran, Iran
| | - Mohammad Ghannadi-Maragheh
- Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, Tehran, Iran
| | - Meisam Torab-Mostaedi
- Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, Tehran, Iran
| | - Rezvan Torkaman
- Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, Tehran, Iran
| | - Mehdi Asadollahzadeh
- Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, Tehran, Iran
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Modified cotton fabrics with poly (3-(furan-2-carboamido) propionic acid) and poly (3-(furan-2-carboamido) propionic acid)/gelatin hydrogel for UV protection, antibacterial and electrical properties. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.04.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Du H, Shi S, Liu W, Teng H, Piao M. Processing and modification of hydrogel and its application in emerging contaminant adsorption and in catalyst immobilization: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:12967-12994. [PMID: 32124301 DOI: 10.1007/s11356-020-08096-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 02/12/2020] [Indexed: 06/10/2023]
Abstract
Due to the wonderful property of hydrogels, they can provide a platform for a wide range of applications. Recently, there is a growing research interest in the development of potential hydrogel adsorbents in wastewater treatment due to their adsorption ability toward aqueous pollutants. It is important to prepare such a hydrogel that possesses appropriate robustness, adsorption capacity, and adsorption efficiency to meet the need of water treatment. In order to improve the property of hydrogels, much effort has been made by researchers to modify hydrogels, among which incorporating inorganic components into the polymeric networks is the most common method, which can reduce the product cost and simplify the preparation procedure. Not only can hydrogel be applied as adsorbent, but it also can be used as matrix for catalyst immobilization. In this review, the key advancement on the preparation and modification of hydrogels is discussed, with special emphasis on the introduction of inorganic materials into polymeric networks and consequential changes in the properties of mechanical strength, swelling, and adsorption. Besides, hydrogels used as adsorbents for removal of dyes and inorganic pollutants have been widely explored, but their use for adsorbing emerging contaminants from aqueous solution has not received much attention. Thus, this review is mainly focused on hydrogels' application in removing emerging contaminants by adsorption. Furthermore, hydrogels can be also applied in immobilizing catalysts, such as enzyme and photocatalyst, to remove pollutants completely and avoid secondary pollution, so their progress as catalyst matrix is overviewed.
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Affiliation(s)
- Hongxue Du
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, Jilin Normal University, Siping, China
- College of Environmental Science and Engineering, Jilin Normal University, 1301 Haifeng Road, Siping, 136000, China
| | - Shuyun Shi
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, Jilin Normal University, Siping, China
- College of Environmental Science and Engineering, Jilin Normal University, 1301 Haifeng Road, Siping, 136000, China
| | - Wei Liu
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, Jilin Normal University, Siping, China
- College of Environmental Science and Engineering, Jilin Normal University, 1301 Haifeng Road, Siping, 136000, China
| | - Honghui Teng
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, Jilin Normal University, Siping, China
- College of Environmental Science and Engineering, Jilin Normal University, 1301 Haifeng Road, Siping, 136000, China
| | - Mingyue Piao
- Key Laboratory of Environmental Materials and Pollution Control, the Education Department of Jilin Province, Jilin Normal University, Siping, China.
- College of Environmental Science and Engineering, Jilin Normal University, 1301 Haifeng Road, Siping, 136000, China.
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Li Y, Hou X, Pan Y, Wang L, Xiao H. Redox-responsive carboxymethyl cellulose hydrogel for adsorption and controlled release of dye. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2019.109447] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Zhou A, Chen W, Liao L, Xie P, Zhang TC, Wu X, Feng X. Comparative adsorption of emerging contaminants in water by functional designed magnetic poly(N-isopropylacrylamide)/chitosan hydrogels. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 671:377-387. [PMID: 30933794 DOI: 10.1016/j.scitotenv.2019.03.183] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/12/2019] [Accepted: 03/13/2019] [Indexed: 06/09/2023]
Abstract
The magnetic poly(N-isopropylacrylamide)/chitosan hydrogel with interpenetrating network (IPN) structure was designed based on the functional groups of targeted emerging contaminants, represented by hydrophilic sulfamethoxazole (SMZ) and hydrophobic bisphenol A (BPA). The average particle size, specific surface area, and total pore volume of the hydrogel were turned out to be 103.7 μm, 60.70 m2/g and 0.0672 cm3/g, respectively. Adsorption results indicated that the maximum adsorption capacity occurred at the pH where SMZ was anionic and BPA was uncharged. When the adsorption temperature increased from 25 °C to 35 °C, the amount of adsorbed SMZ hardly changed, but that of BPA increased by two times. The adsorption capacity of the binary system (i.e., with both SMZ and BPA) was almost the same as that of the single system, indicating that simultaneous adsorption of SMZ and BPA was achieved. The adsorption equilibrium was reached quickly (within 5 min) for both SMZ and BPA. For adsorption isotherm, the Freundlich model fitted well for SMZ at 25, 35 and 45 °C. However, the adsorption of BPA exhibited the sigmoidally shaped isotherm at 25 °C with the Slips model fitting well, and both the Freundlich isotherm and the Slips isotherm fitted the data well at 35 °C and 45 °C, suggesting that the adsorption force was initially weak but greatly enhanced with an increase in adsorbate concentration or ambient temperature. The main adsorption mechanism was inferred to be electrostatic interactions for SMZ, and hydrophobic interactions as well as hydrogen bonding for BPA. The hydrogel adsorbent maintained favorable adsorption capacity for BPA after five adsorption-desorption cycles. These findings may provide a strategy for designing high performance adsorbents that can remove both hydrophilic and hydrophobic organic contaminants in the aquatic environment.
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Affiliation(s)
- Aijiao Zhou
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Wangwei Chen
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Lei Liao
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Pengchao Xie
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Tian C Zhang
- Department of Civil Engineering, University of Nebraska-Lincoln, Omaha, NE 68182, USA
| | - Xumeng Wu
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiaonan Feng
- School of Environmental Science & Engineering, Huazhong University of Science and Technology, Wuhan 430074, China.
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Rehman TU, Shah LA, Khan M, Irfan M, Khattak NS. Zwitterionic superabsorbent polymer hydrogels for efficient and selective removal of organic dyes. RSC Adv 2019; 9:18565-18577. [PMID: 35515230 PMCID: PMC9064771 DOI: 10.1039/c9ra02488c] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 05/23/2019] [Indexed: 01/26/2023] Open
Abstract
A novel zwitterionic superabsorbent polymer hydrogel [ZI-SAH] was synthesized by free radical polymerization and used for the removal of crystal violet (CV) and congo red (CR) from an aqueous medium.
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Affiliation(s)
- Tanzil Ur Rehman
- Polymer Laboratory
- National Center of Excellence in Physical Chemistry
- University of Peshawar
- Peshawar
- Pakistan
| | - Luqman Ali Shah
- Polymer Laboratory
- National Center of Excellence in Physical Chemistry
- University of Peshawar
- Peshawar
- Pakistan
| | - Mansoor Khan
- Polymer Laboratory
- National Center of Excellence in Physical Chemistry
- University of Peshawar
- Peshawar
- Pakistan
| | - Muhammad Irfan
- Polymer Laboratory
- National Center of Excellence in Physical Chemistry
- University of Peshawar
- Peshawar
- Pakistan
| | - Noor Saeed Khattak
- Polymer Laboratory
- National Center of Excellence in Physical Chemistry
- University of Peshawar
- Peshawar
- Pakistan
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31
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Duquette D, Dumont MJ. Comparative studies of chemical crosslinking reactions and applications of bio-based hydrogels. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2516-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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32
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Abdolhosseinzadeh M, Peighambardoust SJ, Erfan-Niya H, Mohammadzadeh Pakdel P. Swelling and auramine-O adsorption of carboxymethyl cellulose grafted poly(methyl methacrylate)/Cloisite 30B nanocomposite hydrogels. IRANIAN POLYMER JOURNAL 2018. [DOI: 10.1007/s13726-018-0654-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Singha NR, Mahapatra M, Karmakar M, Mondal H, Dutta A, Deb M, Mitra M, Roy C, Chattopadhyay PK, Maiti DK. In Situ Allocation of a Monomer in Pectin- g-Terpolymer Hydrogels and Effect of Comonomer Compositions on Superadsorption of Metal Ions/Dyes. ACS OMEGA 2018; 3:4163-4180. [PMID: 31458651 PMCID: PMC6641495 DOI: 10.1021/acsomega.8b00446] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 04/04/2018] [Indexed: 05/21/2023]
Abstract
Pectin-g-(sodium acrylate-co-3-(N-isopropylacrylamido) sodium propanoate-co-N-isopropylacrylamide) interpenetrating polymer networks (PANIPNs) were synthesized through systematic multistage optimization of equilibrium swelling ratio by response surface methodology for individual and/or synergistic removal(s) of cationic safranine (SF), anionic methyl orange, and M(II/III), such as Hg(II), Cd(II), and Cr(III). The relative effects of copolymer compositions on ligand-selective adsorption, strong/weak H-bonds, thermal stabilities, crystallinity, surface properties, swelling abilities, cross-link densities, network parameters, hydrophilic-hydrophobic characteristics, and adsorption capacities (ACs) were measured through extensive microstructural analyses of adsorbed and/or unadsorbed PANIPN41 and PANIPN21 bearing sodium acrylate and N-isopropylacrylamide (SA/NIPAm) in 4:1 and 2:1 ratios, respectively, using Fourier transform infrared, 1H and 13C NMR, X-ray photoelectron spectroscopy, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, scanning electron microscopy, and energy dispersive X-ray spectroscopy, along with measuring lower critical solution temperature, % gel content (% GC), % -COOH, and pHPZC. Extensive UV-vis measurements were carried out at varying copolymer compositions, initial pH (pHi), and dyes, interpreted considering monomer-dimer and azonium-ammonium equilibrium of dye, dye-dye complexation, ligand-selective PANIPNs-dye adduct formation, π-π stacking interactions, and orientation effect of dyes. Thermodynamically feasible chemisorption processes showed the maximum ACs of 127.61, 96.78, 103.36, and 99.41 mg g-1 for SF, Hg(II), Cd(II), and Cr(III), respectively, under optimum conditions.
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Affiliation(s)
- Nayan Ranjan Singha
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Manas Mahapatra
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Mrinmoy Karmakar
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Himarati Mondal
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Arnab Dutta
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Mousumi Deb
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Madhushree Mitra
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Chandan Roy
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology,
Government College of Engineering and Leather Technology (Post-Graduate) and Department of
Leather Technology, Government College of Engineering and Leather
Technology (Post-Graduate), Maulana Abul
Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Dilip K. Maiti
- Department
of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
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Singha NR, Dutta A, Mahapatra M, Karmakar M, Mondal H, Chattopadhyay PK, Maiti DK. Guar Gum-Grafted Terpolymer Hydrogels for Ligand-Selective Individual and Synergistic Adsorption: Effect of Comonomer Composition. ACS OMEGA 2018; 3:472-494. [PMID: 31457906 PMCID: PMC6641655 DOI: 10.1021/acsomega.7b01682] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 12/27/2017] [Indexed: 05/20/2023]
Abstract
Grafting of guar gum (GG) and in situ strategic attachment of acrylamidosodiumpropanoate (ASP) via solution polymerization of acrylamide (AM) and sodium acrylate (SA) resulted in the synthesis of a sustainable GG-g-(AM-co-SA-co-ASP)/GGAMSAASP interpenetrating polymer network (IPN)-based smart superadsorbent with excellent physicochemical properties and reusability, through systematic optimization by response surface methodology (RSM) for removal of methyl violet (MV) and/or Hg(II). The relative effects of SA/AM ratios, in situ allocation of ASP, grafting of GG into the AMSAASP terpolymer, ligand-selective superadsorption mechanism, and relative microstructural changes in individually/synergistically-adsorbed MV-/Hg(II)-/Hg(II)-MV-GGAMSAASPs were determined by extensive analyses using Fourier transform infrared (FTIR), proton nuclear magnetic resonance, ultraviolet-visible (UV-vis), and O 1s-/N 1s-/C 1s-/Hg 4f7/2,5/2-X-ray photoelectron spectroscopies, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, field emission scanning electron microscopy, and energy-dispersive spectroscopy and were supported by % gel content, pHPZC, and % graft ratio. The ionic/covalent-bonding, monodentate, bidentate bridging, and bidentate chelating coordination between GGAMSAASPs and Hg(II), and MV+-Hg(II) bonding were rationalized by FTIR, UV-vis, fitment of kinetics data to the pseudo-second-order model, and thermodynamic parameters. The maximum adsorption capacities of 49.12 and 53.28 mg g-1 were determined for Hg(II) and MV, respectively, under optimized conditions.
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Affiliation(s)
- Nayan Ranjan Singha
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Arnab Dutta
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Manas Mahapatra
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Mrinmoy Karmakar
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Himarati Mondal
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Dilip K. Maiti
- Department
of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
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Singha NR, Karmakar M, Mahapatra M, Mondal H, Dutta A, Roy C, Chattopadhyay PK. Systematic synthesis of pectin-g-(sodium acrylate-co-N-isopropylacrylamide) interpenetrating polymer network for superadsorption of dyes/M(ii): determination of physicochemical changes in loaded hydrogels. Polym Chem 2017. [DOI: 10.1039/c7py00316a] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Superadsorbent hydrogel with excellent physicochemical properties is used for mere/synergic chemisorption of dyes and M(ii).
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Affiliation(s)
- Nayan Ranjan Singha
- Department of Polymer Science and Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
| | - Mrinmoy Karmakar
- Department of Polymer Science and Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
| | - Manas Mahapatra
- Department of Polymer Science and Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
| | - Himarati Mondal
- Department of Polymer Science and Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
| | - Arnab Dutta
- Department of Polymer Science and Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
| | - Chandan Roy
- Department of Polymer Science and Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology
- Government College of Engineering and Leather Technology (Post-Graduate)
- Maulana Abul Kalam Azad University of Technology
- Kolkata – 700106
- India
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Liu H, Bu Y, Nazari A, Sanjayan JG, Shen Z. The application of natural sedimentation for the dispersion of polyacrylamide microspheres. J DISPER SCI TECHNOL 2016. [DOI: 10.1080/01932691.2016.1144194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Huajie Liu
- College of Petroleum Engineering, China University of Petroleum, Qingdao, China
| | - Yuhuan Bu
- College of Petroleum Engineering, China University of Petroleum, Qingdao, China
| | - Ali Nazari
- Faculty of Sciences, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria, Australia
| | - Jay G. Sanjayan
- Faculty of Sciences, Engineering and Technology, Swinburne University of Technology, Melbourne, Victoria, Australia
| | - Zhonghou Shen
- College of Petroleum Engineering, China University of Petroleum, Qingdao, China
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Synthesis and characterization of a high-capacity cationic hydrogel adsorbent and its application in the removal of Acid Black 1 from aqueous solution. REACT FUNCT POLYM 2016. [DOI: 10.1016/j.reactfunctpolym.2016.02.013] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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