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Ibrahim BM, Fakhre NA, Jalhoom MG, Qader IN, Shareef HY, Jalal AF. Removal of lead ions from aqueous solutions by modified cellulose. ENVIRONMENTAL TECHNOLOGY 2024; 45:2335-2347. [PMID: 35306975 DOI: 10.1080/09593330.2022.2056086] [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: 12/12/2021] [Accepted: 03/09/2022] [Indexed: 06/14/2023]
Abstract
The new adsorbent was prepared by mixing cellulose with dicyclohexyl-18- crown-6 via microwave irradiation method and it was used to remove lead ions from aqueous solution. In contrast to the traditional way (in which grafted polymers are produced by using chemical-free radical producers), this method is rapid, reproducible, and gives a high-quality product. Different physicochemical techniques such as FTIR, SEM, and XRD and TGA were used for the characterization of the produced adsorbent. Based on the ANOVA statistical value, the adsorption of Pb2+ ion onto grafted cellulose has been found to be significant, with very low probability (p) values (<0.001). The pH and initial concentration were observed to be the most significant factors that affected the Pb2+ ion removal from the analysis of variance. Pseudo-second-order and Langmuir equations were applied to the adsorption of Pb2+ ion and under the optimized conditions, the maximum absorption capacity in modified cellulose of Pb2+ was 58.3 mg/g. Various factors which affect metal ion adsorption, including temperature, power of hydrogen, shaking time, adsorbent quantity, and metal ions concentration were studied. More importantly, the adsorbent could be reused by using 0.1 M nitric acid.
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Affiliation(s)
- Bnar M Ibrahim
- Department of Chemistry, College of Science, University of Raparin, Sulaymaneyah, Iraq
| | - Nabil A Fakhre
- Department of Chemistry, College of Education, Salahaddin University, Erbil, Iraq
| | - Moayyed G Jalhoom
- Department of Production Engineering and Minerals, University of Technology, Baghdad, Iraq
| | - Ibrahim Nazem Qader
- Department of Physics, College of Science, University of Raparin, Sulaymaneyah, Iraq
| | - Huda Y Shareef
- Department of Chemistry, College of Education, Salahaddin University, Erbil, Iraq
| | - Aveen F Jalal
- Department of Chemistry, College of Education, Salahaddin University, Erbil, Iraq
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2
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Wu F, Liu J, Yang Z, Li F, Xiang Y, Pan Y, Xue Z. Highly Stable Silicon Anode Enabled by a Water-Soluble Tannic Acid Functionalized Dual-Network Binder. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38669607 DOI: 10.1021/acsami.4c03768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/28/2024]
Abstract
Silicon (Si), a high-capacity electrode material, is crucial for achieving high-energy-density lithium-ion batteries. However, Si suffers from poor cycling stability due to its significant volume changes during operation. In this work, a tannic acid functionalized aqueous dual-network binder with an intramolecular tannic acid functionalized network has been synthesized, which is composed of covalent-cross-linked polyamide and ionic-cross-linked alginate (Alg(Ni)-PAM-TA), and employed as an advanced binder for stabilizing Si anodes. The resultant Alg(Ni)-PAM-TA binder, incorporating diverse functional groups including amide, carboxylic acid, and dynamic hydrogen bonds, can easily interact with both Si nanoparticles and the Cu foil, thereby facilitating the formation of a highly resilient network characterized by exceptional adhesion strength. Moreover, molecular dynamics (MD) simulations indicate that the Alg(Ni)-PAM-TA network shows an increased intramolecular hydrogen bond number with increasing concentration of TA and a decreased intramolecular hydrogen bond between PAM and Alg as a result of the aggregation behavior of tannic acids themselves. Consequently, the binder significantly enhances the Si electrode's integrity throughout repeated charge/discharge cycles. At a current density of 0.84 A g-1, the Si electrode retains a capacity of 1863.4 mAh g-1 after 200 cycles. This aqueous binder functionalized with the intramolecular network via the incorporation of TA molecules holds great promise for the development of high-energy-density lithium-ion batteries.
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Affiliation(s)
- Fang Wu
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
| | - Jiarun Liu
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
| | - Ziyu Yang
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
| | - Fei Li
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
| | - Yong Xiang
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
- Tianfu Jiangxi Laboratory, Chengdu 610041, China
| | - Yilan Pan
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
| | - Zhiyu Xue
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu 611731, China
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Zhang L, Guan Q, Jiang J, Khan MS. Tannin complexation with metal ions and its implication on human health, environment and industry: An overview. Int J Biol Macromol 2023; 253:127485. [PMID: 37863140 DOI: 10.1016/j.ijbiomac.2023.127485] [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: 08/27/2023] [Revised: 10/03/2023] [Accepted: 10/15/2023] [Indexed: 10/22/2023]
Abstract
Tannins, also known as plant polyphenols (PPs), are secondary metabolites widely existing in higher plants and are a kind of natural renewable resource with wide distribution, variety and quantity. Tannin has become an important class of fine chemicals due to the easily modified molecular structure and the properties of antibacterial and antioxidant, combining with protein and complexing with metal ion. Besides being used for tanning leather, tannins are also widely used in wood adhesive, concrete water-reducing agents, oil drilling fluid viscosity-reducing agents, pharmaceutical, mineral processing, water treatment, gas desulfurization, metal anticorrosion, wood anticorrosion, printing and dyeing, liquor clarification, oil antioxidant, daily chemical products and other products preparation. There are two groups of tannins: condensed tannins (CTs) (flavonoid-derived proanthocyanidins) and hydrolysable tannins (HTs) (gallic acid ester-derived). Tannins can form complexes with metals through the ortho-dihydroxyphenolic group(s), especially with transition metals. The structure-activity relationships, stoichiometry, and origin of the insolubility of which were emphasized. Furthermore, this paper proposed an in-depth discussion of the associations of tannins-metal complexes in human health, environment and industries.
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Affiliation(s)
- Liangliang Zhang
- Academy of Advanced Carbon Conversion Technology, Fujian Provincial Key Laboratory of Biomass Low-Carbon Conversion, Huaqiao University, Xiamen 361021, China.
| | - Qinhao Guan
- Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China
| | - Jianchun Jiang
- Academy of Advanced Carbon Conversion Technology, Fujian Provincial Key Laboratory of Biomass Low-Carbon Conversion, Huaqiao University, Xiamen 361021, China; Institute of Chemical Industry of Forest Products, CAF, Nanjing 210042, China
| | - Mohd Shahnawaz Khan
- Department of Biochemistry, King Saud University, Riyadh 11451, Saudi Arabia
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4
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Chen Y, Jiang T, Tian C, Zhan Y, Adabifiroozjaei E, Kempf A, Molina-Luna L, Hofmann JP, Riedel R, Yu Z. Molybdenum Phosphide Quantum Dots Encapsulated by P/N-Doped Carbon for Hydrogen Evolution Reaction in Acid and Alkaline Electrolytes. CHEMSUSCHEM 2023; 16:e202300479. [PMID: 37452791 DOI: 10.1002/cssc.202300479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/14/2023] [Accepted: 07/14/2023] [Indexed: 07/18/2023]
Abstract
A facile and eco-friendly strategy is presented for synthesizing novel nanocomposites, with MoP quantum dots (QDs) as cores and graphitic carbon as shells, these nanoparticles are dispersed in a nitrogen and phosphorus-doped porous carbon and carbon nanotubes (CNTs) substrates (MoP@NPC/CNT). The synthesis involves self-assembling reactions to form single-source precursors (SSPs), followed by pyrolysis at 900 °C in an inert atmosphere to obtain MoP@NPC/CNT-900. The presence of carbon layers on the MoP QDs effectively prevents particle aggregation, enhancing the utilization of active MoP species. The optimized sample, MoP@NPC/CNT-900, exhibits remarkable electrocatalytic activity and durability for the hydrogen evolution reaction (HER). It demonstrates a low overpotential of 155 mV at 10 mA cm-2 , a small Tafel slope of 76 mV dec-1 , and sustained performance over 20 hours in 0.5 M H2 SO4 . Furthermore, the catalyst shows excellent activity in 1 M KOH, with a relatively low overpotential of 131 mV and long-term durability under constant current input. The exceptional HER activity can be attributed to several factors: the superior performance of MoP QDs, the large surface area and good conductivity of the carbon substrates, and the synergistic effect between MoP and carbon species.
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Affiliation(s)
- Yongchao Chen
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Tianshu Jiang
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Chuanmu Tian
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Ying Zhan
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Esmaeil Adabifiroozjaei
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Alexander Kempf
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Leopoldo Molina-Luna
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Jan P Hofmann
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Ralf Riedel
- Department of Materials and Earth Sciences, Technical University of Darmstadt, 64287, Darmstadt, Germany
| | - Zhaoju Yu
- College of Materials, Key Laboratory of High Performance Ceramic Fibers (Xiamen University), Ministry of Education, Xiamen, 361005, P. R. China
- College of Materials, Xiamen Key Laboratory of Electronic Ceramic Materials and Devices, Xiamen University, Xiamen, 361005, P. R. China
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5
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Liu L, Wu W, Jin X, Luo X, Wu L. Interfacial Polymerization on Polyethersulfone Ultrafiltration Membrane to Prepare Nanofiltration Layers for Dye Separation. Polymers (Basel) 2023; 15:polym15092018. [PMID: 37177166 PMCID: PMC10181385 DOI: 10.3390/polym15092018] [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: 02/28/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
Nanofiltration membranes are of great significance to the treatment of dye wastewater. Interfacial polymerization is a widely used method to fabricate nanofiltration membranes. In this study, the interaction of tannic acid-assisted polyethylene polyamine (PEPA) with terephthalaldehyde (TPAL) was performed on PES ultrafiltration membranes using novel nitrogen-rich amine monomers and relatively less reactive aldehyde-based monomers. A new nanofiltration membrane ((T-P-T)/PES) was prepared by interfacial polymerization. Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy were used to analyze the elemental composition, bonding state, and surface morphology of the membrane surface. The effects of the PEPA deposition time, TPAL concentration, interfacial reaction time, and curing time on the nanofiltration layer were investigated. The modified membrane, prepared under optimal conditions, showed strong dye separation ability. The permeation of the modified membrane could reach 68.68 L·m-2·h-1·bar-1, and the rejection of various dyes was above 99%. In addition, the (T-P-T)/PES membrane showed good stability during long-term dye separation.
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Affiliation(s)
- Lulu Liu
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Weilin Wu
- School of Pharmaceutical Sciences, Hunan University of Medicine, No.492 South Jinxi Road, Huaihua 418000, China
| | - Xiaogang Jin
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Xiong Luo
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Lili Wu
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
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6
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Yu Y, Lv B, Wu J, Chen W. Mussel-Based Biomimetic Strategies in Musculoskeletal Disorder Treatment: From Synthesis Principles to Diverse Applications. Int J Nanomedicine 2023; 18:455-472. [PMID: 36718191 PMCID: PMC9884062 DOI: 10.2147/ijn.s386635] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 12/03/2022] [Indexed: 01/26/2023] Open
Abstract
Musculoskeletal disorders are the second leading cause of disability worldwide, posing a huge global burden to the public sanitation system. Currently, tissue engineering-based approaches act as effective strategies, which are, however, challenging in limited application scenarios. Mussel-based biomimetic materials, exhibit numerous unique properties such as intense adhesion, biocompatibility, moisture resistance, and injectability, to name only a few, and have attracted extensive research interest. In particular, featuring state-of-the-art properties, mussel-inspired biomaterials have been widely explored in innumerable musculoskeletal disorder treatments including osteochondral defects, osteosarcoma, osteoarthritis, ligament rupture, and osteoporosis. Nevertheless, a comprehensive and timely discussion of their applications in musculoskeletal disorders is insufficient. In this review, we emphasize on (1) the main categories and characteristics of mussel foot proteins and their fundamental mechanisms for the spectacular adhesion in mussels; (2) the diverse synthetic methods and modification of various polymers; and (3) the emerging applications of mussel-biomimetic materials, the future perspectives, and challenges, especially in the area of musculoskeletal disorder. We envision that this review will provide a unique and insightful perspective to improve the development of a new generation of mussel biomimetic strategies.
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Affiliation(s)
- Yajie Yu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China,Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China,Hubei Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China
| | - Bin Lv
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Juntao Wu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Wei Chen
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China,Hubei Key Laboratory for Drug Target Researches and Pharmacodynamic Evaluation, Huazhong University of Science and Technology, Wuhan, 430030, People’s Republic of China,Correspondence: Wei Chen, Email
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7
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Yang N, Ma J, Shi J, Guo X. Organic Modification of Layered Double Hydroxides and Its Applications. ACTA CHIMICA SINICA 2023. [DOI: 10.6023/a22110448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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8
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Jin F, Liao S, Li W, Jiang C, Wei Q, Xia X, Wang Q. Amphiphilic sodium alginate-polylysine hydrogel with high antibacterial efficiency in a wide pH range. Carbohydr Polym 2023; 299:120195. [PMID: 36876766 DOI: 10.1016/j.carbpol.2022.120195] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 09/30/2022] [Accepted: 10/03/2022] [Indexed: 11/06/2022]
Abstract
Bacterial infection is a major pathological factor leading to persistent wounds. With the aging of population, wound infection has gradually become a global health-issue. The wound site environment is complicated, and the pH changes dynamically during healing. Therefore, there is an urgent need for new antibacterial materials that can adapt to a wide pH range. To achieve this goal, we developed a thymol-oligomeric tannic acid/amphiphilic sodium alginate-polylysine hydrogel film, which exhibited excellent antibacterial efficacy in the pH range from 4 to 9, achieving the highest achievable 99.993 % (4.2 log units) and 99.62 % (2.4 log units) against Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli, respectively. The hydrogel films exhibited excellent cytocompatibility, suggesting that the materials are promising as a novel wound healing material without the concern of biosafety.
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Affiliation(s)
- Fangyu Jin
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, PR China
| | - Shiqin Liao
- Jiangxi Centre for Modern Apparel Engineering and Technology, Jiangxi Institute of Fashion Technology, Nanchang 330201, PR China
| | - Wei Li
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, PR China
| | - Chenyu Jiang
- Department of Chemistry, North Carolina State University, Raleigh, NC 27695, United States
| | - Qufu Wei
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, PR China
| | - Xin Xia
- College of Textile and Clothing, Xinjiang University, Urumqi 830046, PR China
| | - Qingqing Wang
- Key Laboratory of Eco-textiles, Ministry of Education, Jiangnan University, Wuxi 214122, PR China; Jiangxi Centre for Modern Apparel Engineering and Technology, Jiangxi Institute of Fashion Technology, Nanchang 330201, PR China.
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9
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Photocatalytic Degradation of Ciprofloxacin by UV Light Using N-Doped TiO2 in Suspension and Coated Forms. Catalysts 2022. [DOI: 10.3390/catal12121663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The presence of organic compounds such as ciprofloxacin in untreated pharmaceutical wastewater often poses a serious health risk to human and aquatic life when discharged into water bodies. One of the most effective means of removing ciprofloxacin from wastewater is photocatalytic degradation. However, the synthesis of an effective photocatalyst that can degrade the organic pollutant in the wastewater is often a challenge. Hence, this study focuses on the synthesis and application of nitrogen-doped TiO2 (N-TiO2) in suspension and coated forms for the photocatalytic degradation of ciprofloxacin in wastewater by applying UV-light irradiation. The nitrogen-doped TiO2 photocatalyst was prepared by a co-precipitation process and characterized using energy-dispersive X-ray spectroscopy, scanning electron microscopy, and Fourier-transform infrared spectroscopy. The effects of the initial concentration of the ciprofloxacin (6, 12, 18, or 30 ppm), pH (3, 5, 7, or 9), and flow rate (0.4, 0.8, 0.95, or 1.5 L/min) on the degradation of the ciprofloxacin over the N-TiO2 were investigated. The results showed that the removal efficiency of ciprofloxacin was enhanced by increasing the initial ciprofloxacin concentration, while it was decreased with the increase in the feed flow rate. The best operating conditions were obtained using an initial ciprofloxacin concentration of 30 ppm, pH of 5, and feed flow rate of 0.4 L/min. Under these operating conditions, removal efficiencies of 87.87% and 93.6% were obtained for net TiO2 and N-TiO2 of 5 wt% in suspension form, respectively, while 94.5% ciprofloxacin removal efficiency was obtained using coated 5 wt% N-TiO2 after 2 h of photocatalytic degradation. Based on the response surface optimization strategy, a quadratic model was suggested to obtain mathematical expressions to predict the ciprofloxacin removal efficiency under various studied operational parameters.
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10
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Fabrication of modified carbon nano tubes based composite using ionic liquid for phenol removal. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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11
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Dong Y, Liu Q, Gao T, Zhang X, Yao J, Zhang C. Tannin-diethylenetriamine based adsorbents with exceptional adsorption capacity of Chromium(VI) in aqueous solution. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Ahmed MA, Mohamed AA. A systematic review of layered double hydroxide-based materials for environmental remediation of heavy metals and dye pollutants. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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13
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Szerlauth A, Kónya ZD, Papp G, Kónya Z, Kukovecz Á, Szabados M, Varga G, Szilágyi I. Molecular orientation rules the efficiency of immobilized antioxidants. J Colloid Interface Sci 2022; 632:260-270. [DOI: 10.1016/j.jcis.2022.11.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 11/01/2022] [Accepted: 11/11/2022] [Indexed: 11/17/2022]
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14
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Construction of layered double hydroxide-modified silica integrated multilayer shell phase change capsule with flame retardancy and highly efficient thermoregulation performance. J Colloid Interface Sci 2022; 632:311-325. [DOI: 10.1016/j.jcis.2022.11.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/23/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022]
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Guan X, Yuan X, Zhao Y, Wang H, Wang H, Bai J, Li Y. Application of functionalized layered double hydroxides for heavy metal removal: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:155693. [PMID: 35526616 DOI: 10.1016/j.scitotenv.2022.155693] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/22/2022] [Accepted: 04/30/2022] [Indexed: 06/14/2023]
Abstract
Layered double hydroxides (LDHs) are ionic laminar composites composed of positively charged brucite-like layers with an interlayered region containing charged compensating anions and solvation molecules. Such functional LDHs materials present a strong potential for heavy metal treatment especially for wastewater and soil, due to the large surface area and layered structure. This paper started with the background of techniques for heavy metals treatment and then discussed the potential environmental toxic effects, feasibility, stability of LDH composites. The preparation strategies of LDHs composites, and their application were summarized, followed by main mechanisms involving chelation, complexation, surface precipitation, ion exchange. This work also presented the potential environmental toxic effects, feasibility, stability of LDHs composites, reuse of waste liquid and the ratio adjustment of M2+ and N3+ for LDHs synthesis. While most efforts focused on improving the absorption capacity of LDHs by composites construction, ignoring the toxicity effects and detailed mechanism investigation. Based on a thorough review of the latest development, the challenges and perspectives would be proposed, offering promising insights on environmental purification via LDHs based materials.
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Affiliation(s)
- Xian Guan
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China; School of Civil and Environmental, Hunan University of Science and Engineering, Yongzhou 425199, PR China
| | - Xingzhong Yuan
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China.
| | - Yanlan Zhao
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Hou Wang
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Hui Wang
- Department of Chemical Engineering, University College London, London WC1E 7JE, UK.
| | - Jing Bai
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
| | - Ying Li
- College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environment Biology and Pollution Control, Hunan University, Ministry of Education, Changsha 410082, PR China
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16
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A critical review in the features and application of photocatalysts in wastewater treatment. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02256-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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17
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Mallakpour S, Radfar Z, Feiz M. Optimization of chitosan/tannic acid@ ZnFe layered double hydroxide bionanocomposite film for removal of reactive blue 4 using a response surface methodology. Int J Biol Macromol 2022; 209:747-762. [PMID: 35398059 DOI: 10.1016/j.ijbiomac.2022.04.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 04/01/2022] [Accepted: 04/03/2022] [Indexed: 01/19/2023]
Abstract
Layered double hydroxides (LDH) are great adsorbents for anionic pollutants, but are in a powder form that leads to challenges in solid-liquid separation, low hydraulic conductivity, and handling. Herein, novel bionanocomposite films containing chitosan (Cs), tannic acid (TA), and LDH were fabricated and applied for the removal of reactive blue 4 (RB4). A response surface methodology with Box-Behnken design was applied to study the effect of operating parameters (TA%: 0-20, LDH%: 0-20, pH: 5-9, adsorbent dosage: 0.5-1.5 g L-1, time: 30-90 min) on RB4 dye removal (DR%). A quadratic regression equation was successfully developed to predict the response (R2: 0.95). The obtained optimized condition was TA%: 10, LDH%: 20, pH: 5, adsorbent dosage: 1.5 g L-1, and time: 71 min that resulted in DR%: 98.2. The best-fitted adsorption isotherm and kinetic models were linear Langmuir and nonlinear pseudo-second-order models, respectively. The maximum capacity of adsorption for the optimized film was 406 mg g-1. The obtained thermodynamic parameters implied that the process of adsorption was exothermic and spontaneous. The reusability studies showed that the DR% was decreased from 93% for the first cycle to 69%, 57%, and 56% for the second, third and fourth cycle, respectively.
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Affiliation(s)
- Shadpour Mallakpour
- Organic Polymer Chemistry Research Laboratory, Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
| | - Zeinab Radfar
- Department of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran
| | - Mahmoud Feiz
- Department of Textile Engineering, Isfahan University of Technology, Isfahan 84156-83111, Islamic Republic of Iran.
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Chen C, Yang H, Yang X, Ma Q. Tannic acid: a crosslinker leading to versatile functional polymeric networks: a review. RSC Adv 2022; 12:7689-7711. [PMID: 35424749 PMCID: PMC8982347 DOI: 10.1039/d1ra07657d] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 02/22/2022] [Indexed: 12/20/2022] Open
Abstract
With the thriving of mussel-inspired polyphenol chemistry as well as the demand for low-cost analogues to polydopamine in adhesive design, tannic acid has gradually become a research focus because of its wide availability, health benefits and special chemical properties. As a natural building block, tannic acid could be used as a crosslinker either supramolecularly or chemically, ensuring versatile functional polymeric networks for various applications. Up to now, a systematic summary on tannic-acid-based networks has still been waiting for an update and outlook. In this review, the common features of tannic acid are summarized in detail, followed by the introduction of covalent and non-covalent crosslinking methods leading to various tannic-acid-based materials. Moreover, recent progress in the application of tannic acid composites is also summarized, including bone regeneration, skin adhesives, wound dressings, drug loading and photothermal conversion. Above all, we also provide further prospects concerning tannic-acid-crosslinked materials.
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Affiliation(s)
- Chen Chen
- Key Laboratory of New Material Research Institute, Department of Acupuncture-Moxibustion and Tuina, Shandong University of Traditional Chinese Medicine Jinan 250355 China
| | - Hao Yang
- The First Affiliated Hospital of Shandong First Medical University (Shandong Qianfoshan Hospital) Jinan 250014 China
| | - Xiao Yang
- The First Affiliated Hospital of Shandong First Medical University (Shandong Qianfoshan Hospital) Jinan 250014 China
| | - Qinghai Ma
- The First Affiliated Hospital of Shandong First Medical University (Shandong Qianfoshan Hospital) Jinan 250014 China
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19
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Xu X, Li P, Yang S, Zhang T, Han X, Zhou G, Cao Y, Teng D. The Performance and Mechanism of a Mg-Al Double-Layer Oxide in Chloride ion Removal from an Aqueous Solution. NANOMATERIALS 2022; 12:nano12050846. [PMID: 35269333 PMCID: PMC8912365 DOI: 10.3390/nano12050846] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/27/2022] [Accepted: 02/28/2022] [Indexed: 12/14/2022]
Abstract
The increasing threat of chloride ions (Cl−) has led researchers to explore efficient removal technologies. Sewage treatment with a double-layer hydroxide/oxide (LDH/LDO) is receiving increasing attention. In this work, Mg-Al LDO adsorbents were produced by the calcination of the Mg-Al LDH precursor, which was constituted by improved coprecipitation. The influence of calcination temperature, calcination time, adsorbent dosage, Cl− initial concentration, contact time, and adsorption temperature on Cl− elimination was investigated systematically. The experimental results showed that a better porous structure endowed the Mg-Al LDO with outstanding adsorption properties for Cl−. The adsorption process was well matched to the pseudo-second-order kinetics model and the Freundlich model. Under optimal conditions, more than 97% of the Cl− could be eliminated. Moreover, the removal efficiency was greater than 90% even after 11 adsorption–desorption cycles. It was found that the electrostatic interaction between Cl− and the positively charged Mg-Al LDO laminate, coupled with the reconstruction of the layer structure, was what dominated the Cl− removal process.
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Affiliation(s)
- Xueqin Xu
- Henan Province Industrial Technology Research Institution of Resources and Materials, Zhengzhou University, Zhengzhou 450001, China;
| | - Peng Li
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
| | - Shichong Yang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
| | - Tong Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
| | - Xiangke Han
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
| | - Guoli Zhou
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
- Correspondence: (G.Z.); (Y.C.); Tel.: +86-371-6778-1081 (G.Z.); +86-371-6773-9808 (Y.C.)
| | - Yijun Cao
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
- Correspondence: (G.Z.); (Y.C.); Tel.: +86-371-6778-1081 (G.Z.); +86-371-6773-9808 (Y.C.)
| | - Daoguang Teng
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China; (P.L.); (S.Y.); (T.Z.); (X.H.); (D.T.)
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Lei Y, Yang G, Huang Q, Dou J, Dai L, Deng F, Liu M, Li X, Zhang X, Wei Y. Facile synthesis of ionic liquid modified silica nanoparticles for fast removal of anionic organic dyes with extremely high adsorption capacity. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117966] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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21
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Feng X, Long R, Wang L, Liu C, Bai Z, Liu X. A review on heavy metal ions adsorption from water by layered double hydroxide and its composites. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120099] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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22
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Zhou K, Liu XP, Guo H, Li HQ, Yang P. CoAl-LDHs@Fe3O4 decorated with cobalt nanowires and cobalt nanoparticles for a heterogeneous electro-Fenton process to degrade 1-hydroxyethane-1,1-diphosphonic acid and glyphosate. RSC Adv 2022; 12:2623-2631. [PMID: 35425334 PMCID: PMC8979163 DOI: 10.1039/d1ra08493c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 12/30/2021] [Indexed: 12/19/2022] Open
Abstract
Heterogeneous electro-Fenton is one of the promising technologies to degrade refractory organic phosphonates. In this work, CoNWs@CoAl-LDHs/Fe3O4 and CoNPs@CoAl-LDHs/Fe3O4 were successfully synthesized by a co-precipitation method and applied to degrade 1-hydroxyethane-1,1-diphosphonic acid (HEDP) and glyphosate (PMG) via an electro-Fenton process. The results indicated that the removal rate of HEDP (100 mg L−1) and PMG (100 mg L−1) by CoNWs@CoAl-LDHs/Fe3O4 increased from 62.09% and 95.31% to 82.45% and 100%, respectively. The CoNPs@CoAl-LDHs/Fe3O4 electro-Fenton system could remove 70.03% of HEDP and nearly 100% of PMG within 2 hours at a pH of 3. Moreover, we compared the SEM, EDS, XRD and BET results of CoNWs@CoAl-LDHs/Fe3O4 with those of CoNPs@CoAl-LDHs/Fe3O4. The effects of initial pH, CoNW dosage and reaction time on the degradation of HEDP and PMG were discussed. CoNWs@CoAl-LDHs@Fe3O4 could even remove 71.03% of HEDP at a neutral pH. After four cycles of repeated use at a pH of 3, the removal rate of HEDP by CoNWs@CoAl-LDHs/Fe3O4 was still higher than 70%. Radical quenching experiments revealed that ˙OH is the dominant active species participating in the heterogeneous electro-Fenton process. Finally, we would talk about the mechanism of the CoNWs@CoAl-LDHs/Fe3O4-based electro-Fenton system. Cobalt nanowires and cobalt particles are introduced into CoAl-LDHs@Fe3O4, and the effect of the former is better in the application of electro-Fenton process.![]()
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Affiliation(s)
- Kexin Zhou
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Xing-peng Liu
- College of Communication Engineering, Chengdu Technological University, Chengdu, 611730, China
| | - Hongyun Guo
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Hui-qiang Li
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Ping Yang
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
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Direct grafting of cellulose nanocrystals with poly(ionic liquids) via Gamma-ray irradiation and their utilization for adsorptive removal of CR. Int J Biol Macromol 2022; 194:1029-1037. [PMID: 34856214 DOI: 10.1016/j.ijbiomac.2021.11.175] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 11/23/2021] [Accepted: 11/24/2021] [Indexed: 12/11/2022]
Abstract
In this work, a simple but effective method based on Gamma-ray initiated polymerization was reported for the first time through direct irradiation of CNCs and ionic liquid monomer to obtain poly (ionic liquids) functionalized CNCs (IL@CNCs). The adsorptive removal of Congo red (CR) from aqueous solution by IL@CNCs was also examined and the influence of contact time, pH values, initial concentrations and temperature on adsorption behavior was investigated in detail. Under the same adsorption conditions, the adsorption capacity was increased from 59.72 mg/g (CNCs) to 195.83 mg/g (IL@CNCs). The results of the adsorption isotherm and adsorption kinetics showed that the experimental data were more suitable to be described by the Freundlich isotherm adsorption model and the pseudo-second-order model. The adsorption process of CR on the surface of the adsorbent was endothermic and spontaneous. When the aqueous solution was acidic, it was more conducive to the adsorption of CR. At 100% breakthrough, the value of adsorption capacity is 199.95 mg/g and the value of partition coefficient is 9.64. Moreover, the adsorption capacity is expected to be further improved through adjustment of polymerization parameters and this method can also be used for preparation other poly (ionic liquids) modified composites.
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24
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Surface modification of MCM-41 by chain transfer free radical polymerization and their utilization for intracellular pH-responsive delivery of curcumin. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Khandaker S, Hossain MT, Saha PK, Rayhan U, Islam A, Choudhury TR, Awual MR. Functionalized layered double hydroxides composite bio-adsorbent for efficient copper(II) ion encapsulation from wastewater. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 300:113782. [PMID: 34560463 DOI: 10.1016/j.jenvman.2021.113782] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 08/15/2021] [Accepted: 09/17/2021] [Indexed: 06/13/2023]
Abstract
In this study, naturally abundant and inexpensive bamboo was used to make cheaper activated charcoal for efficient encapsulation of toxic copper (Cu(II)) ion from wastewater. The functionalized bamboo charcoal-Layered double hydroxides (BC-LDHs) composite bio-adsorbent was prepared using co-precipitation method. The composite bio-adsorbent was exploited to eliminate Cu(II) ion with high sensitivity and selectivity from contaminated water. The adsorption parameters including the effect of pH, contact time, adsorbent dose, and effect of initial concentration were optimized in systematic way and the adsorption kinetics and isotherms were investigated for potential use in real sample treatment. The physicochemical properties and morphological structure of the adsorbent were examined using X-ray Diffraction, Scanning Electronic Microscopy, Fourier Transform Infrared Spectroscopy and Thermogravimetric Analysis to understand the Cu(II) ion adsorption mechanism. The adsorption results revealed that the BC-LDH could remove almost 100% of Cu(II) ion from aqueous solution at pH range between 3.0 and 6.0 within 30 min. The maximum monolayer adsorption capacity was determined to be 85.47 mg/g based on the Langmuir isotherm. The adsorption equilibrium data were well-fitted by the Langmuir isotherm model (R2 = 0.998) and the experimental kinetic data were supported by the pseudo-second order model (R2 = 0.999). The BC-LDH could be reused without losing its adsorption performance in several cycles after successful regeneration with 0.10 M HCl. The Cu(II) ion removal mechanism was postulated with intercalated ion exchange, surface precipitation and interaction between BC-LDH and surface functionalities. Therefore, the highly functional BC-LDH composite could be a promising adsorbent for efficient Cu(II) ion removal from wastewater.
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Affiliation(s)
- Shahjalal Khandaker
- Department of Textile Engineering, Dhaka University of Engineering & Technology, Gazipur, 1707, Bangladesh.
| | - Md Tofazzal Hossain
- Department of Textile Engineering, Dhaka University of Engineering & Technology, Gazipur, 1707, Bangladesh
| | - Palash Kumar Saha
- Department of Textile Engineering, Dhaka University of Engineering & Technology, Gazipur, 1707, Bangladesh
| | - Ummey Rayhan
- Department of Chemistry, Dhaka University of Engineering &Technology, Gazipur, 1707, Bangladesh
| | - Aminul Islam
- Department of Petroleum and Mining Engineering, Jashore University of Science and Technology, Jashore, 7408, Bangladesh
| | - Tasrina Rabia Choudhury
- Analytical Chemistry Laboratory, Chemistry Division Atomic Energy Centre Dhaka, Bangladesh Atomic Energy Commission, Dhaka, 1000, Bangladesh
| | - Md Rabiul Awual
- Department of Chemical Engineering, Curtin University, GPO BoxU 1987, Perth, WA, 6845, Australia; Materials Science and Research Center, Japan Atomic Energy Agency (JAEA), Hyogo, 679-5148, Japan.
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26
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Development and Characterization of Cornstarch-Based Bioplastics Packaging Film Using a Combination of Different Plasticizers. Polymers (Basel) 2021; 13:polym13203487. [PMID: 34685246 PMCID: PMC8539400 DOI: 10.3390/polym13203487] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 01/14/2023] Open
Abstract
This work aims to develop cornstarch (CS) based films using fructose (F), glycerol (G), and their combination (FG) as plasticizers with different ratios for food packaging applications. The findings showed that F-plasticized film had the lowest moisture content, highest crystallinity among all films, and exhibited the highest tensile strength and thermostability. In contrast, G-plasticized films showed the lowest density and water absorption with less crystallinity compared to the control and the other plasticized film. In addition, SEM results indicated that FG-plasticized films had a relatively smoother and more coherent surface among the tested films. The findings have also shown that varying the concentration of the plasticizers significantly affected the different properties of the plasticized films. Therefore, the selection of a suitable plasticizer at an appropriate concentration may significantly optimize film properties to promote the utilization of CS films for food packaging applications.
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27
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Wang D, Zhou X, Ma C, Liu M, Huang H, Zhang X, Wei Y. An amphiphilic fluorogen with aggregation-induced emission characteristic for highly sensitive and selective detection of Cu2+ in aqueous solution and biological system. ARAB J CHEM 2021. [DOI: 10.1016/j.arabjc.2021.103351] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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28
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Gamma-ray initiated polymerization from polydopamine-modified MoS2 nanosheets with poly (ionic liquid) and their utilization for adsorptive organic dyes with enhanced efficiency. CHEMICAL ENGINEERING JOURNAL ADVANCES 2021. [DOI: 10.1016/j.ceja.2021.100134] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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29
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Long W, Ouyang H, Hu X, Liu M, Zhang X, Feng Y, Wei Y. State-of-art review on preparation, surface functionalization and biomedical applications of cellulose nanocrystals-based materials. Int J Biol Macromol 2021; 186:591-615. [PMID: 34271046 DOI: 10.1016/j.ijbiomac.2021.07.066] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 07/04/2021] [Accepted: 07/11/2021] [Indexed: 12/12/2022]
Abstract
Cellulose nanocrystals (CNCs) are a class of sustainable nanomaterials that are obtained from plants and microorganisms. These naturally derived nanomaterials are of abundant hydroxyl groups, well biocompatibility, low cost and biodegradable potential, making them suitable and promising candidates for various applications, especially in biomedical fields. In this review, the recent advances and development on the preparation, surface functionalization and biomedical applications of CNCs-based materials have been summarized and outlined. The main context of this paper could be divided into the following three parts. In the first part, the preparation strategies based on physical, chemical, enzymatic and combination techniques for preparation of CNCs have been summarized. The surface functionalization methods for synthesis CNCs-based materials with designed properties and functions were outlined in the following section. Finally, the current state about applications of CNCs-based materials for tissue engineering, medical hydrogels, biosensors, fluorescent imaging and intracellular delivery of biological agents have been highlighted. Moreover, current issues and future directions about the above aspects have also pointed out and discussed. We believe this review will attract great research attention of scientists from materials, chemistry, biomedicine and other disciplines. It will also provide some important insights on the future development of CNCs-based materials especially in biomedical fields.
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Affiliation(s)
- Wei Long
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Hui Ouyang
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China
| | - Xin Hu
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Meiying Liu
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China; Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Xiaoyong Zhang
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China.
| | - Yulin Feng
- Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, China; State Key Laboratory of Innovative Drug and Efficient Energy-Saving Pharmaceutical Equipment, Jiangxi University of Traditional Chinese Medicine, Nanchang 330006, China.
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polyer Research, Tsinghua University, Beijing 100084, China.
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30
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Zhang N, Cheng N, Liu Q. Functionalized Biomass Carbon-Based Adsorbent for Simultaneous Removal of Pb 2+ and MB in Wastewater. MATERIALS 2021; 14:ma14133537. [PMID: 34201910 PMCID: PMC8269509 DOI: 10.3390/ma14133537] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/10/2021] [Accepted: 06/15/2021] [Indexed: 01/26/2023]
Abstract
It is of great significance to realize the sustainable development of the environment to synthesize functional materials by value-added utilization of waste resources. Herein, a composite material of polyacrylic acid/lignosulfonate sodium/cotton biochar (PAA/LS/BC) was successfully prepared by grafting polyacrylic acid with functionalized waste cotton biochar and lignosulfonate sodium. The obtained absorbent showed prominent capture ability toward Pb2+ and methylene blue (MB) with capture characteristics of the pseudo-second-order model and Langmuir isotherm model. This experiment explored the adsorption performance of the adsorbent for pollutants at different conditions, and further revealed the selective adsorption of Pb2+ and MB in the mixed system. Analysis confirmed that electrostatic attraction and complexation are the most critical methods to remove contaminants. Additionally, the regeneration and stability experiment showed that the adsorption capacity of PAA/LS/BC for pollutants did not significantly decrease after five runs of adsorption–desorption. Various results can demonstrate that the adsorbent has excellent performance for removing pollutants and can be used as a material with development potential in the field of adsorption.
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Affiliation(s)
- Nannan Zhang
- Modern Experiment Center, Harbin Normal University, Harbin 150025, China
- Correspondence: (N.Z.); (Q.L.)
| | - Nan Cheng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
| | - Qing Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
- Correspondence: (N.Z.); (Q.L.)
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Abstract
The circular economy (CE) is considered a key economic model to meet the challenge of sustainable development. Strenous efforts are focused on the transformation of waste into resources that can be reintroduced into the economic system through proper management. In this way, the linear and waste-producing value chain problems are solved, making them circular, and more sustainable solutions are proposed in those chains already benefiting from circular processes, so that waste generation and waste are reduced on the one hand, and on the other, the non-efficient consumption of resources decreases. In the face of this current tide, there is another option that proposes a certain nuance, based on the premise that, although circular systems promote sustainability, it does not mean that they are in themselves sustainable, given that, in the first place, the effects of CE on sustainable development are not fully known and, on the other hand, the CE model includes the flow of materials, with only scant consideration of the flow of non-material resources (water, soil and energy). This paper aims to contrast both currents from an empirical viewpoint. To achieve this, a sustainability analysis of the circular waste management systems measured through a sustainability indicator, the carbon footprint (CF), as a main sustainable indicator in climate change action, is carried out. A crucial difference between circular models that promote waste management and those that do not is found in the collective systems of extended producer responsibility (or CPR). One of the most efficient recycling processes in Europe, waste tire management, has been chosen. Thus, the aim is to verify the sense of including environmental sustainability indicators, as CF, in the process of these systems. A sustainability management model (SBA) applies to End-of Life tire collection systems (ELT). This model is based on the accumulation of environmental impacts through the activities that generate them. To be transparent, this study requires a publicly recognized CF, so the study is focused on SIGNUS, the main Spanish waste tires CPR. The results achieved allow us to conclude that CF is much lower using CPR than non-linear processes. Despite the role that CPR have in the management and use of waste as secondary raw material, it is a priority to focus efforts on their redesign in order to reduce waste. In terms of circular economy, all actions are necessary in order to achieve system efficiencies, even when externalities occur in this process.
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Wang XY, Feng YG, Wang AJ, Mei LP, Luo X, Xue Y, Feng JJ. Facile construction of ratiometric electrochemical immunosensor using hierarchical PtCoIr nanowires and porous SiO 2@Ag nanoparticles for accurate detection of septicemia biomarker. Bioelectrochemistry 2021; 140:107802. [PMID: 33794412 DOI: 10.1016/j.bioelechem.2021.107802] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 12/19/2022]
Abstract
Procalcitonin (PCT) is a sensitive and specific biomarker for sepsis diagnosis. In this study, a novel ratio-typed electrochemical immunosensor was constructed for reliable and sensitive assay of PCT based on hierarchical PtCoIr nanowires/polyethylene polyamine-grafted-ferrocene (PtCoIr HNWs/PEPA-Fc) and porous SiO2@Ag nanoparticles-toluidine blue (porous SiO2@Ag NPs-TB). Importantly, the PtCoIr HNWs/PEPA-Fc was first modified on the sensing interface, which harvested stable and strong electrochemical signals for readout of Fc due to the enriched anchoring sites created by the PtCoIr HNWs. Meanwhile, porous SiO2@Ag NPs-TB behaved as the label to conjugate with secondary antibody (Ab2), which also provided another strong detection signals originated from TB confined in such porous structures. The resulting immunosensor displayed a measurable output of procalcitonin (PCT) in the dynamic scope of 0.001 ~ 100 ng mL-1 with a low limit of detection (LOD) of 0.46 pg mL-1 (S/N = 3). Moreover, we exploited this strategy for PCT assay in a diluted human serum sample with acceptable results, exhibiting promising applications in the clinical analysis.
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Affiliation(s)
- Xiao-Yu Wang
- Jinhua Central Hospital, Jinhua 321001, China; Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Yi-Ge Feng
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Ai-Jun Wang
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Li-Ping Mei
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Xiliang Luo
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Sciences, MOE, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Yadong Xue
- Jinhua Central Hospital, Jinhua 321001, China.
| | - Jiu-Ju Feng
- Key laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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33
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Luo H, Liu Y, Lu H, Fang Q, Rong H. Efficient Adsorption of Tetracycline from Aqueous Solutions by Modified Alginate Beads after the Removal of Cu(II) Ions. ACS OMEGA 2021; 6:6240-6251. [PMID: 33718714 PMCID: PMC7948232 DOI: 10.1021/acsomega.0c05807] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 02/19/2021] [Indexed: 05/14/2023]
Abstract
This work dealt with a potential and effective method to reuse modified alginate beads after the removal of Cu(II) ions for efficient adsorption of tetracycline (TC) from aqueous solutions. The modified alginate beads were fabricated by a polyacrylamide (PAM) network interpenetrated in alginate-Ca2+ network (PAM/CA) decorated with polyethylene glycol as a pore-forming agent. The porous PAM/CA was characterized using scanning electron microscopy, Brunauer-Emmett-Teller, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy analysis. The adsorption kinetics, isotherms, adsorption stability, and reusability studies of the adsorbent toward Cu(II) ions were scrutinized. The column performance of porous PAM/CA was tested with Cu(II)-containing electroplating wastewater. After Cu(II) adsorption, the Cu(II)-adsorbed PAM/CA (PAM/CA@Cu) was applied to remove TC from aqueous solutions without any regeneration process. The effects of pH, initial TC concentration, ionic strength, and coexisting ions on the adsorption were also discussed in detail. Compared with many reported adsorbents, the PAM/CA@Cu exhibited an excellent adsorption performance toward TC with a maximum adsorption capacity of 356.57 mg/g predicted by the Langmuir model at pH 5.0 and 30 °C with the absence of coexisting ions. The possible adsorption mechanism of TC onto the PAM/CA@Cu was revealed.
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Affiliation(s)
- Huayong Luo
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
| | - Yu Liu
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
| | - Hanxing Lu
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
| | - Qian Fang
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
| | - Hongwei Rong
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
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Wang Z, Yang L, Yang Q, Wang M. Dual Functional Alginate‐Polyethylene Polyamine Composite Aerogel Toward Sensing and Extracting Copper Ions in Water. ChemistrySelect 2021. [DOI: 10.1002/slct.202004393] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zhuqing Wang
- Anhui Key Laboratory of Photoelectric-magnetic functional materials College of Chemistry and Chemical Engineering, Anqing Normal University Anqing 246133 China
| | - Leilei Yang
- Anhui Key Laboratory of Photoelectric-magnetic functional materials College of Chemistry and Chemical Engineering, Anqing Normal University Anqing 246133 China
| | - Qi Yang
- Anhui Key Laboratory of Photoelectric-magnetic functional materials College of Chemistry and Chemical Engineering, Anqing Normal University Anqing 246133 China
| | - Min Wang
- Anhui Key Laboratory of Photoelectric-magnetic functional materials College of Chemistry and Chemical Engineering, Anqing Normal University Anqing 246133 China
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35
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Kinetics and column adsorption study of diclofenac and heavy-metal ions removal by amino-functionalized lignin microspheres. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2020.10.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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36
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Synthetic modification of silica coated magnetite cored PAMAM dendrimer to enrich branched Amine groups and peripheral carboxyl groups for environmental remediation. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129081] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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37
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Chen Z, Luo H, Rong H. Development of polyaminated chitosan-zirconium(IV) complex bead adsorbent for highly efficient removal and recovery of phosphorus in aqueous solutions. Int J Biol Macromol 2020; 164:1183-1193. [PMID: 32735922 DOI: 10.1016/j.ijbiomac.2020.07.218] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 07/13/2020] [Accepted: 07/24/2020] [Indexed: 01/04/2023]
Abstract
The aim of this work is to examine the adsorption performance and mechanism of phosphorus (P) onto polyethyene polyamine (PEPA) grafted chitosan-zirconium(IV) composite beads (CS-Zr-PEPA) from aqueous solutions. The morphology, functional groups, and surface area of the CS-Zr-PEPA beads were characterized by SEM, FTIR, and BET analysis. Batch adsorption experiments were conducted via different operating parameters such as solution pH, initial phosphate concentration, co-existing anions and temperature. The adsorption kinetics, equilibrium isotherms and adsorption stability of the adsorbent were scrutinized. In comparison with other CS-based beads, the CS-Zr-PEPA had a greater affinity towards P and exhibited a maximum adsorption capacity of 103.96 mg-P/g predicted by Langmuir mode. The reusability studies of CS-Zr-PEPA beads were carried out. The CS-Zr-PEPA beads exhibit preferable sequestration of P through specific interactions, as further demonstrated by studying physicochemical characteristics of the virgin beads and P-adsorbed beads using X-ray photoelectron spectroscopy (XPS). The column performance of CS-Zr-PEPA beads was tested with P-containing wastewater. Results indicated that the developed CS-Zr-PEPA composite beads could be utilized as a promising adsorbent for effective removal and recovery of P from water and wastewater.
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Affiliation(s)
- Zuhao Chen
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
| | - Huayong Luo
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China.
| | - Hongwei Rong
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
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38
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Synthesis of a novel metal-organic nanocomposite film (MONF) with superior corrosion protection performance based on the biomimetic polydopamine (PDA)-based molecules and Sm2O3 particles on the steel surface. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114143] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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39
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El-Kousy SM, El-Shorbagy HG, El-Ghaffar MA. Chitosan/montmorillonite composites for fast removal of methylene blue from aqueous solutions. MATERIALS CHEMISTRY AND PHYSICS 2020; 254:123236. [DOI: 10.1016/j.matchemphys.2020.123236] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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40
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Nath J, Saikia PP, Handique J, Gupta K, Dolui SK. Multifunctional mussel‐inspired Gelatin and Tannic acid‐based hydrogel with pH‐controllable release of vitamin B
12. J Appl Polym Sci 2020. [DOI: 10.1002/app.49193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jayashree Nath
- Department of Chemical SciencesTezpur University Tezpur Assam India
| | | | - Junali Handique
- Department of Chemical SciencesTezpur University Tezpur Assam India
| | - Kuldeep Gupta
- Department of Molecular Biology and BiotechnologyTezpur University Tezpur Assam India
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41
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Eliodório KP, Pereira GJ, Morandim‐Giannetti A. Functionalized chitosan with butylammonium ionic liquids for removal of Cr(
VI
) from aqueous solution. J Appl Polym Sci 2020. [DOI: 10.1002/app.49912] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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42
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Rahmati Z, Abdi J, Vossoughi M, Alemzadeh I. Ag-doped magnetic metal organic framework as a novel nanostructured material for highly efficient antibacterial activity. ENVIRONMENTAL RESEARCH 2020; 188:109555. [PMID: 32559687 DOI: 10.1016/j.envres.2020.109555] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 04/13/2020] [Accepted: 04/17/2020] [Indexed: 06/11/2023]
Abstract
In the last decades, numerous attempts have been made to prevent microbial pollution spreading, using antibacterial agents. Zeolitic imidazolate framework-8 (ZIF-8) belongs to a subgroup of metal organic frameworks (MOFs) merits of attention due to the zinc ion clusters and its effective antibacterial activity. In this work, Ag-doped magnetic microporous γ-Fe2O3@SiO2@ZIF-8-Ag (FSZ-Ag) was successfully synthesized by a facile methodology in room temperature and used as an antibacterial agent against the growth of the Gram-negative Escherichia coli and Gram-positive Staphylococcus aureus bacteria. Several characterization methods were applied to analyze the properties of the materials, and the results confirmed the accuracy of the synthesis procedure. Silver ions have employed to enhance the efficiency of antibacterial activity. As the results illustrated, FSZ-Ag nanostructured material had superior performance to inactive E. coli and S. aureus in growth inhibition test in liquid media. The best antibacterial activity as minimum inhibitory concentration (MIC) was 100 mg/L of FSZ-Ag against both bacteria. Leaching rates of silver ions showed that 80% of Ag released in the solutions, which was responsible for inhibiting the growth of bacteria. Also, fluorescence microscopy was used to investigate bacterial viability after 20 h contacting FSZ-Ag to distinguish live and dead bacteria by staining with DAPI and PI fluorescence stains. This novel magnetic nanostructured material is an excellent promising candidate to use in biological applications as high potential bactericidal materials.
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Affiliation(s)
- Ziba Rahmati
- Department of Chemical and Petroleum Engineering, Sharif University, Tehran, Iran; Institute for Biotechnology and Environment, Sharif University of Technology, Tehran, Iran
| | - Jafar Abdi
- Faculty of Chemical and Material Engineering, Shahrood University of Technology, Shahrood, Iran
| | - Manouchehr Vossoughi
- Department of Chemical and Petroleum Engineering, Sharif University, Tehran, Iran; Institute for Biotechnology and Environment, Sharif University of Technology, Tehran, Iran.
| | - Iran Alemzadeh
- Department of Chemical and Petroleum Engineering, Sharif University, Tehran, Iran; Institute for Biotechnology and Environment, Sharif University of Technology, Tehran, Iran
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43
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Self-healing, sensitive and antifreezing biomass nanocomposite hydrogels based on hydroxypropyl guar gum and application in flexible sensors. Int J Biol Macromol 2020; 155:1569-1577. [DOI: 10.1016/j.ijbiomac.2019.11.134] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 11/14/2019] [Accepted: 11/17/2019] [Indexed: 01/08/2023]
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44
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High-density phage particles immobilization in surface-modified bacterial cellulose for ultra-sensitive and selective electrochemical detection of Staphylococcus aureus. Biosens Bioelectron 2020; 157:112163. [DOI: 10.1016/j.bios.2020.112163] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 01/29/2023]
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45
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Guo L, Liu Y, Dou J, Huang Q, Lei Y, Chen J, Wen Y, Li Y, Zhang X, Wei Y. Highly efficient removal of Eu3+ ions using carbon nanotubes-based polymer composites synthesized from the combination of Diels-Alder and multicomponent reactions. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112964] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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46
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Highly efficient removal of iodine ions using MXene-PDA-Ag2Ox composites synthesized by mussel-inspired chemistry. J Colloid Interface Sci 2020; 567:190-201. [DOI: 10.1016/j.jcis.2020.02.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/03/2020] [Accepted: 02/05/2020] [Indexed: 02/05/2023]
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47
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Zhang X, Dai B, Ren S, Hu Z, Zheng X, Wang Y, Sun H, Niu D, Wang L. Iron diffusion-doped magnesium-aluminum layered double oxides as a multifunctional adsorbent for removal of F−, Sb(III) and methyl orange contaminants from water. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0487-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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48
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Chen J, Cui Y, Liu M, Huang H, Deng F, Mao L, Wen Y, Tian J, Zhang X, Wei Y. Surface grafting of fluorescent polymers on halloysite nanotubes through metal-free light-induced controlled polymerization: Preparation, characterization and biological imaging. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 111:110804. [PMID: 32279750 DOI: 10.1016/j.msec.2020.110804] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 02/03/2020] [Accepted: 03/02/2020] [Indexed: 12/19/2022]
Abstract
Halloysite nanotubes (HNTs) are a kind of aluminosilicate clay with a unique hollow tubular structure that has been intensively explored for various applications especially in biomedical fields owing to their excellent biocompatibility, biodegrading potential and low cost. Surface modification of HNTs with functional polymers will greatly improve their properties and endow new functions for biomedical applications. In this work, a light-induced reversible addition-fragmentation chain transfer (RAFT) polymerization was introduced to successfully prepare HNTs based fluorescent HNTs/poly(PEGMA-Fl) composites in the presence of oxygen using diacrylate-fluorescein and poly (ethylene glycol) methyl ether methacrylate (PEGMA) as the monomers. Without other catalysts, heating, and deoxygenation procedure, the polymerization process can take place under mild conditions. Besides, owing to the introduction of fluorescein and PEGMA on the surface of HNTs, the resultant HNTs/poly(PEGMA-Fl) composites display high water dispersibility and stable fluorescence. The results from cell viability examination and confocal laser scanning microscopy also demonstrated that HNTs/poly(PEGMA-Fl) composites could be internalized by L929 cells with bright fluorescence and low cytotoxicity. Taken together, we developed a novel photo-initiated RAFT polymerization method for the fabrication of HNTs based fluorescent polymeric composites with great potential for biomedical applications. More importantly, many other multifunctional HNTs based polymer composites could also be fabricated through a similar strategy owing to good designability of RAFT polymerization.
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Affiliation(s)
- Junyu Chen
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Yi Cui
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Meiying Liu
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Hongye Huang
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Fengjie Deng
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Liucheng Mao
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Yuanqing Wen
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Jianwen Tian
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China.
| | - Xiaoyong Zhang
- College of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang 330031, China
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing 100084, China; Department of Chemistry and Center for Nanotechnology and Institute of Biomedical Technology, Chung-Yuan Christian University, Chung-Li 32023, Taiwan.
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49
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Abbasvash L, Shadjou N. Synthesize of β-cyclodextrin functionalized dendritic fibrous nanosilica and its application for the removal of organic dye (malachite green). J Mol Recognit 2020; 33:e2850. [PMID: 32253790 DOI: 10.1002/jmr.2850] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/05/2020] [Accepted: 03/16/2020] [Indexed: 11/10/2022]
Abstract
Dye removal from industrial waste water has become an important issue. The highvisibility, undesirability and recalcitrance are the significant environmental problemfor the dyes. In the present work,β-cyclodextrin functionalized KCC-1 (KCC-1-NH-β-CD)was synthesized and utilized to the removal of hazardous malachite green. In order to study the morphology of the synthesized nano adsorbent, Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) were obtained from the surface of the sample. Additionally, the functionalization of KCC-1 with β-cyclodextrin was confirmed with Furrier Transform Infrared spectroscopy (FTIR). The textural property of KCC-1 was verified using nitrogen adsorption/ desorption analysis (BET equation). UV-Vis spectroscopy utilized for the investigation of malachite green by KCC-1-NH-β-CD. Specific surface area of the adsorbent was calculated to be 140 m2 /g and it can be stated that the synthesized nano adsorbent has high removal efficiency. It should be noted that the adsorption capacity of the employed nano adsorbent was more than 95%, which could be attributed to high porosity of β-cyclodextrin functionalized KCC-1.
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Affiliation(s)
- Leila Abbasvash
- Nanotechnology Research Group, Faculty of Science, Urmia University, Urmia, Iran
| | - Nasrin Shadjou
- Nanotechnology Research Group, Faculty of Science, Urmia University, Urmia, Iran
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50
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Huang R, Lin Q, Zhong Q, Zhang X, Wen X, Luo H. Removal of Cd(II) and Pb(II) from aqueous solution by modified attapulgite clay. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.01.022] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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