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Zhu J, Zhang Z, Wen Y, Song X, Tan WK, Ong CN, Li J. Recent Advances in Superabsorbent Hydrogels Derived from Agro Waste Materials for Sustainable Agriculture: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 39215710 DOI: 10.1021/acs.jafc.4c04970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Superabsorbent hydrogels made from agro waste materials have the potential to promote sustainable agriculture and environmental sustainability. These hydrogels not only help reduce water consumption and increase crop yields but also contribute to minimizing waste and lowering greenhouse gas emissions. Recent research on superabsorbent hydrogels derived from agro wastes has focused on the preparation of hydrogels based on natural polymers isolated from agro wastes, such as cellulose, hemicellulose, and lignin. This review provides an in-depth examination of hydrogels developed from raw agro waste materials and natural polymers extracted from agro wastes, highlighting that these studies start with raw wastes as the main materials. The utilization strategies for specific types of agro wastes are comprehensively described. This review outlines different methods utilized in the production of these hydrogels, including physical cross-linking techniques such as dissolution-regeneration and freeze-thawing, as well as chemical cross-linking methods involving various cross-linking agents and graft polymerization techniques such as free radical polymerization, microwave-assisted polymerization, and γ radiation graft polymerization. Specifically, this review explores the applications of agro waste-based superabsorbent hydrogels in enhancing soil properties such as water retention and slow-release of fertilizers for sustainable agriculture.
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Affiliation(s)
- Jingling Zhu
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
- NUS Environmental Research Institute (NERI), National University of Singapore, 5A Engineering Drive 1, Singapore117411, Singapore
| | - Zhongxing Zhang
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
| | - Yuting Wen
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
- National University of Singapore (Suzhou) Research Institute, Suzhou, Jiangsu 215000, China
- National University of Singapore (Chongqing) Research Institute, Yubei District, Chongqing 401120, China
| | - Xia Song
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
| | - Wee Kee Tan
- NUS Environmental Research Institute (NERI), National University of Singapore, 5A Engineering Drive 1, Singapore117411, Singapore
| | - Choon Nam Ong
- NUS Environmental Research Institute (NERI), National University of Singapore, 5A Engineering Drive 1, Singapore117411, Singapore
- Saw Swee Hock School of Public Health, National University of Singapore, 12 Science Drive 2, Singapore 117549, Singapore
| | - Jun Li
- Department of Biomedical Engineering, National University of Singapore, 15 Kent Ridge Crescent, Singapore 119276, Singapore
- NUS Environmental Research Institute (NERI), National University of Singapore, 5A Engineering Drive 1, Singapore117411, Singapore
- National University of Singapore (Suzhou) Research Institute, Suzhou, Jiangsu 215000, China
- National University of Singapore (Chongqing) Research Institute, Yubei District, Chongqing 401120, China
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Jeffri NI, Mohammad Rawi NF, Mohamad Kassim MH, Abdullah CK. Unlocking the potential: Evolving role of technical lignin in diverse applications and overcoming challenges. Int J Biol Macromol 2024; 274:133506. [PMID: 38944064 DOI: 10.1016/j.ijbiomac.2024.133506] [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: 02/22/2024] [Revised: 06/13/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
Recent advancements have transformed lignin from a byproduct into a valuable raw material for polymers, dyes, adhesives, and fertilizers. However, its structural heterogeneity, variable reactive group content, impurities, and high extraction costs pose challenges to industrial-scale adoption. Efficient separation technologies and selective bond cleavage are crucial. Advanced pretreatment methods have enhanced lignin purity and reduced contamination, while novel catalytic techniques have improved depolymerization efficiency and selectivity. This review compares catalytic depolymerization methodologies, highlighting their advantages and disadvantages, and noting challenges in comparing yield values due to variations in isolation methods and lignin sources. Recognizing "technical lignin" from pulping processes, the review emphasizes its diverse applications and the necessity of understanding its structural characteristics. Emerging trends focus on bio-based functional additives and nanostructured lignin materials, promising enhanced properties and functionalities. Innovations open possibilities in sustainable agriculture, high-performance foams and composites, and advanced medical applications like drug delivery and wound healing. Leveraging lignin's biocompatibility, abundance, and potential for high-value applications, it can significantly contribute to sustainable material development across various industries. Continuous research in bio-based additives and nanostructured materials underscores lignin's potential to revolutionize material science and promote environmentally friendly industrial applications.
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Affiliation(s)
- Noorfarisya Izma Jeffri
- Division of Bioresource Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Malaysia
| | - Nurul Fazita Mohammad Rawi
- Division of Bioresource Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Malaysia; Green Biopolymer, Coatings and Packaging Cluster, School of Industrial Technology, Universiti Sains Malaysia, Minden, 11800, Malaysia.
| | - Mohamad Haafiz Mohamad Kassim
- Division of Bioresource Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Malaysia; Green Biopolymer, Coatings and Packaging Cluster, School of Industrial Technology, Universiti Sains Malaysia, Minden, 11800, Malaysia
| | - Che Ku Abdullah
- Division of Bioresource Technology, School of Industrial Technology, Universiti Sains Malaysia, Gelugor 11800, Malaysia
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Fu J, Yap JX, Leo CP, Chang CK. Enhanced photocatalytic regeneration of carboxymethyl cellulose/lignin/ZnO complex hydrogel after methylene blue adsorption. Int J Biol Macromol 2024; 274:133510. [PMID: 38960270 DOI: 10.1016/j.ijbiomac.2024.133510] [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: 03/06/2024] [Revised: 06/12/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
The biodegradable, nontoxic, and renewable carboxymethyl cellulose (CMC) hydrogel has been developed into a green adsorbent. However, the weak chemical interaction limits its adsorption capability and reusability. This work incorporated lignin with complex structure and ZnO nanoparticles with photocatalytic properties into CMC hydrogel beads to improve the removal of methylene blue (MB) through chemical interaction. Scanning electron microscopic images and Fourier-transform infrared spectra confirmed the compatibility between lignin and ZnO nanoparticles as well as the increment of active sites for dye removal. The MB adsorption on CMC hydrogel beads was more significantly affected by the temperate and initial concentration compared to contact time, pH, and adsorbent dosage. The MB adsorption capacity of CMC hydrogel was improved to 276.79 mg/g after incorporating lignin and ZnO nanoparticles. The adsorption followed the pseudo-second-order kinetic model and Langmuir isotherm model, indicating chemical adsorption. After 6 cycles, the adsorption capacity was reduced by about 15 %. The UV irradiation could recover and improve MB adsorption capacity of CMC hydrogel beads containing ZnO nanoparticles due to the introduction of reactive oxygen species.
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Affiliation(s)
- Jialin Fu
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia
| | - Jia Xin Yap
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia
| | - Choe Peng Leo
- School of Chemical Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia.
| | - Chun Kiat Chang
- River Engineering and Urban Drainage Research Centre (REDAC), Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia
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Ren H, Guo A, Luo C. Sandwich hydrogel to realize cartilage-mimetic structures and performances from polyvinyl alcohol, chitosan and sodium hyaluronate. Carbohydr Polym 2024; 328:121738. [PMID: 38220330 DOI: 10.1016/j.carbpol.2023.121738] [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: 10/19/2023] [Revised: 12/12/2023] [Accepted: 12/23/2023] [Indexed: 01/16/2024]
Abstract
Developing artificial substitutes that mimic the structures and performances of natural cartilage is of great importance. However, it is challenging to integrate the high strength, excellent biocompatibility, low coefficient of friction, long-term wear resistance, outstanding swelling resistance, and osseointegration potential into one material. Herein, a sandwich hydrogel with cartilage-mimetic structures and performances was prepared to achieve this goal. The precursor hydrogel was obtained by freezing-thawing the mixture of poly vinyl alcohol, chitosan and deionized water three cycles, accompanied by soaking in sodium hyaluronate solution. The top of the precursor hydrogel was hydrophobically modified with lauroyl chloride and then loaded with lecithin, while the bottom was mineralized with hydroxyapatite. Due to the multiple linkages (crystalline domains, hydrogen bonds, and ionic interactions), the compressive stress was 71 MPa. Owing to the synergy of the hydrophobic modification and lecithin, the coefficient of friction was 0.01. Additionally, no wear trace was observed after 50,000 wear cycles. Remarkably, hydroxyapatite enabled the hydrogel osseointegration potential. The swelling ratio of the hydrogel was 0.06 g/g after soaking in simulated synovial fluid for 7 days. Since raw materials were non-toxic, the cell viability was 100 %. All of the above merits make it an ideal material for cartilage replacement.
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Affiliation(s)
- Hanyu Ren
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, China
| | - Andi Guo
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, China
| | - Chunhui Luo
- College of Chemistry and Chemical Engineering, North Minzu University, Yinchuan, Ningxia 750021, China; Key Laboratory of Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan 750021, Ningxia, China; Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University, Yinchuan 750021, China.
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Zhang H, Xue K, Wang B, Ren W, Sun D, Shao C, Sun R. Advances in lignin-based biosorbents for sustainable wastewater treatment. BIORESOURCE TECHNOLOGY 2024; 395:130347. [PMID: 38242243 DOI: 10.1016/j.biortech.2024.130347] [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: 08/13/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/21/2024]
Abstract
The heavy metals, pesticides and dyes in agriculture and industry caused serious water pollution have increased the urgency for the advancement of biomass-based adsorbents due to their merits of low cost, high efficiency, and environmental sustainability. Thus, this review systematically examines the recent progress of lignin-based adsorbents dedicated to wastewater purification. Commencing with a succinct exposition on the intricate structure and prevalent forms of lignin, the review proceeds to expound rational design strategies tailored for lignin-based adsorbents coupled with adsorption mechanisms and regeneration methods. Emphasis is placed on the potential industrial applications of lignin-based adsorbents, accentuating their capacity for recovery and direct utilization post-use. The future challenges and outlooks associated with lignin-based adsorbents are discussed to provide novel perspectives for the development of high-performance and sustainable biosorbents, facilitating the effective removal of pollutants and the value-added utilization of resources in a sustainable manner.
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Affiliation(s)
- Hongmei Zhang
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Kai Xue
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Bing Wang
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Wenfeng Ren
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Dan Sun
- College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou, Zhejiang Province 311300, China
| | - Changyou Shao
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China; State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China; State Key Laboratory of Bio-fibers and Eco-textiles, Qingdao University, Qingdao 266071, China.
| | - Runcang Sun
- Liaoning Key Laboratory of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China.
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Wang J, Sawut A, Simayi R, Song H, Jiao X. Preparation of high strength, self-healing conductive hydrogel based on polysaccharide and its application in sensor. J Mech Behav Biomed Mater 2024; 150:106246. [PMID: 38006795 DOI: 10.1016/j.jmbbm.2023.106246] [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: 10/04/2023] [Revised: 11/12/2023] [Accepted: 11/13/2023] [Indexed: 11/27/2023]
Abstract
The development of cost-effective, eco-friendly conductive hydrogels with excellent mechanical properties, self-healing capabilities, and non-toxicity holds immense significance in the realm of biosensors. The biosensors demonstrate promising applications in the fields of biomedical engineering and human motion detection. A unique double-network hydrogel was prepared through physical-chemical crosslinking using chitosan (CS), polyacrylic acid (AA), and sodium alginate (SA) as raw materials. The prepared double-network hydrogels exhibited exceptional mechanical properties, as well as self-healing and conductive capabilities. Polyacrylic acid as the first layer network, while chitosan and sodium alginate were incorporated to establish the second layer network through electrostatic interactions, thereby imparting self-healing and self-recovery properties. The hydrogel was subsequently immersed in the salt solution to induce network winding. The mechanical robustness of the hydrogel was significantly enhanced through synergistic coordination of covalent and non-covalent interactions. When the concentration of sodium alginate was 20 g/L, the double-network hydrogel exhibits enhanced mechanical properties, with a tensile fracture stress of up to 1.31 MPa and a strength of 4.17 MPa under 80% compressive deformation. Furthermore, the recovery rate of this double-network hydrogel reached an impressive 89.63% within a span of 30 min. After 24 h without any external forces, the self-healing rate reached 26.11%, demonstrating remarkable capabilities in terms of self-recovery and self-healing. Furthermore, this hydrogel exhibited consistent conductivity properties and was capable of detecting human finger movements. Hence, this study presents a novel approach for designing and synthesizing environmentally friendly conductive hydrogels for biosensors.
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Affiliation(s)
- Junxiao Wang
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, China
| | - Amatjan Sawut
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, China.
| | - Rena Simayi
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, China.
| | - Huijun Song
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, China
| | - Xueying Jiao
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830017, Xinjiang, China
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El Idrissi A, Channab BE, Essamlali Y, Zahouily M. Superabsorbent hydrogels based on natural polysaccharides: Classification, synthesis, physicochemical properties, and agronomic efficacy under abiotic stress conditions: A review. Int J Biol Macromol 2024; 258:128909. [PMID: 38141703 DOI: 10.1016/j.ijbiomac.2023.128909] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 11/22/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Superabsorbent polymers (SAPs) are a class of polymers that have attracted tremendous interest due to their multifunctional properties and wide range of applications. The importance of this class of polymers is highlighted by the large number of publications, including articles and patents, dealing with the use of SAPs for various applications. Within this framework, this review provides an overview of SAPs and highlights various key aspects, such as their history, classification, and preparation methods, including those related to chemically or physically cross-linked networks, as well as key factors affecting their performance in terms of water absorption and storage. This review also examines the potential use of polysaccharides-based SAPs in agriculture as soil conditioners or slow-release fertilizers. The basic aspects of SAPs, and methods of chemical modification of polysaccharides are presented and guidelines for the preparation of hydrogels are given. The water retention and swelling mechanisms are discussed in light of some mathematical empirical models. The nutrient slow-release kinetics of nutrient-rich SAPs are also examined on the basic of commonly used mathematical models. Some examples illustrating the advantages of using SAPs in agriculture as soil conditioners and agrochemical carriers to improve crop growth and productivity are presented and discussed. This review also attempts to provide an overview of the role of SAPs in mitigating the adverse effects of various abiotic stresses, such as heavy metals, salinity, and drought, and outlines future trends and prospects.
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Affiliation(s)
- Ayoub El Idrissi
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II Casablanca University, Morocco; MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Badr-Eddine Channab
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II Casablanca University, Morocco
| | - Younes Essamlali
- MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco.
| | - Mohamed Zahouily
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II Casablanca University, Morocco; MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco.
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Jung S, Yun H, Kim J, Kim J, Yeo H, Choi IG, Kwak HW. Lignin/PVA hydrogel with enhanced structural stability for cationic dye removal. Int J Biol Macromol 2024; 257:128810. [PMID: 38101680 DOI: 10.1016/j.ijbiomac.2023.128810] [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: 08/18/2023] [Revised: 10/31/2023] [Accepted: 12/12/2023] [Indexed: 12/17/2023]
Abstract
In this study, a lignin-based hydrogel for wastewater treatment was prepared by incorporating kraft lignin (KL) into a poly (vinyl alcohol) (PVA) matrix. The underwater structural stability of the KL-PVA hydrogel was guaranteed through physicochemical crosslinking, involving freeze-thaw process and chemical crosslinking reaction. The KL-PVA hydrogel displayed superior compressive characteristics compared to the original PVA hydrogel. This improvement was attributed to the chemical crosslinking and the reinforcing effect of the incorporated KL microparticles. The incorporation of anionic KL microparticles into the PVA three-dimensional network structure enhanced the cationic methylene blue (MB) and crystal violet (CV) adsorption efficiency of the prepared KL-PVA hydrogel. The MB adsorption results were well explained by pseudo-2nd order kinetics model and Langmuir isotherm model. Electrostatic forces, hydrogen bonding and π-π stacking interactions were the main adsorption mechanisms between cationic dyes and KL surfaces, indicating the potential of KL-PVA hydrogel as an effective adsorption material. Moreover, regulating the molecular weight of PVA not only prevented lignin leakage from the KL-PVA hydrogel but also elevated the KL content within the hydrogel, consequently improving its dye removal performance. For KL-PVA hydrogel with high molecular weight PVA, the MB and CV adsorption capacities were 193.8 mg/g and 190.0 mg/g, respectively.
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Affiliation(s)
- Seungoh Jung
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Heecheol Yun
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jungkyu Kim
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jonghwa Kim
- Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Hwanmyeong Yeo
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - In-Gyu Choi
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Hyo Won Kwak
- Department of Agriculture, Forestry and Bioresources, College of Agriculture & Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea; Research Institute of Agriculture and Life Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
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Fabian DRC, Durpekova S, Dusankova M, Hanusova D, Bergerova ED, Sedlacik M, Skoda D, Sedlarik V. Renewable whey-based hydrogel with polysaccharides and polyvinyl alcohol as a soil amendment for sustainable agricultural application. Int J Biol Macromol 2024; 259:129056. [PMID: 38159689 DOI: 10.1016/j.ijbiomac.2023.129056] [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: 09/13/2023] [Revised: 12/12/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
This work describes the preparation of a novel biopolymer hydrogel based on acid whey, cellulose derivatives and polyvinyl alcohol (PVA). The hydrogel was prepared and characterized with the aim of producing an environmentally-friendly soil amendment to increase water retention capacity of the soil. The findings showed considerable swelling properties of the hydrogels depending on the PVA content and crosslinking density. The samples with PVA in a concentration 2.5 % and 5 % were more rigid, the gel fraction increased with a subsequently decrease in their swelling capacity. The hydrogels crosslinked with 15 % of citric acid demonstrated a constant swelling ratio (SR) of around 500 % within 10 swelling/drying cycles. The hydrogels crosslinked with 10 % citric acid and supplemented with 1 % of PVA showed SR of 1000-1400 % caused by less crosslinked polymer network and increased pore volume for water uptake. It was found that hydrogel with a higher gel fraction had a stable structure. Supplementing PVA at 5 % extended the period of decomposition of the hydrogel material by almost 60 % in the soil environment and soil humidity was maintained for longer. Applying 2 % of the hydrogel 5PVA to soil increased the water retention capacity by 19 %.
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Affiliation(s)
- Dalila Rubicela Cruz Fabian
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Silvie Durpekova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic.
| | - Miroslava Dusankova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Dominika Hanusova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Eva Domincova Bergerova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Michal Sedlacik
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - David Skoda
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Vladimir Sedlarik
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
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Ryu S, Park YK, Shim J, Lim S, Kim M. Highly Sustainable Dyes Adsorption in Wastewater Using Textile Filters Fabricated by UV Irradiation. Polymers (Basel) 2023; 16:15. [PMID: 38201680 PMCID: PMC10780358 DOI: 10.3390/polym16010015] [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: 10/11/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Vast amounts of dyeing wastewater released from the textile industry can not only cause water pollution but also have negative effects on the human body, such as skin irritation and respiratory diseases. Dye adsorption technology is necessary for the treatment of wastewater discharged from the dyeing industry and for environmental improvement. However, to remove dyeing wastewater, more energy and solvents are used to fabricate adsorbents, or excessive energy is used to filter dyeing wastewater out, resulting in more environmental pollution. Therefore, it is necessary to develop a method of filtering dyeing wastewater in a more environmentally friendly manner by minimizing the use of solvents and energy. In this study, we modified the surface of a textile substrate through UV irradiation to create a monomer capable of facilely bonding with dyes. Employing the UV photografting method, we were able to produce a dye adsorption filter in a more environmentally friendly manner, minimizing solvent usage and heat energy consumption required for absorbent synthesis. At a monomer concentration of 10%, the fabricated filter exhibited a dye removal efficiency of 97.34% after 24 h, all without the need for a pressure treatment or temperature increase. Moreover, it displayed an adsorption capacity of approximately 77.88 mg per 1 g of filter material.
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Affiliation(s)
- Sujin Ryu
- Advanced Textile R&D Department, Research Institute of Convergence Technology, Korea Institute of Industrial Technology (KITECH), 143 Hanggaulro, Ansan 15588, Republic of Korea; (S.R.); (Y.K.P.); (J.S.)
| | - Young Ki Park
- Advanced Textile R&D Department, Research Institute of Convergence Technology, Korea Institute of Industrial Technology (KITECH), 143 Hanggaulro, Ansan 15588, Republic of Korea; (S.R.); (Y.K.P.); (J.S.)
- Department of Fiber System Engineering, Dankook University, Yongin 16890, Republic of Korea
| | - Jaeyun Shim
- Advanced Textile R&D Department, Research Institute of Convergence Technology, Korea Institute of Industrial Technology (KITECH), 143 Hanggaulro, Ansan 15588, Republic of Korea; (S.R.); (Y.K.P.); (J.S.)
| | - Seungju Lim
- Advanced Textile R&D Department, Research Institute of Convergence Technology, Korea Institute of Industrial Technology (KITECH), 143 Hanggaulro, Ansan 15588, Republic of Korea; (S.R.); (Y.K.P.); (J.S.)
| | - Minsuk Kim
- Advanced Textile R&D Department, Research Institute of Convergence Technology, Korea Institute of Industrial Technology (KITECH), 143 Hanggaulro, Ansan 15588, Republic of Korea; (S.R.); (Y.K.P.); (J.S.)
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11
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Taher MA, Wang X, Faridul Hasan KM, Miah MR, Zhu J, Chen J. Lignin Modification for Enhanced Performance of Polymer Composites. ACS APPLIED BIO MATERIALS 2023; 6:5169-5192. [PMID: 38036466 DOI: 10.1021/acsabm.3c00783] [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] [Indexed: 12/02/2023]
Abstract
The biopolymer lignin, which is heterogeneous and abundant, is usually present in plant cell walls and gives them rigidity and strength. As a byproduct of the wood, paper, and pulp manufacturing industry, lignin ranks as the second most prevalent biopolymer worldwide, following cellulose. This review paper explores the extraction, modification, and prospective applications of lignin in various industries, including the enhancement of thermosetting and thermoplastic polymers, biomedical applications such as vanillin production, fuel development, carbon fiber composites, and the creation of nanomaterials for food packaging and drug delivery. The structural characteristics of lignin remain undefined due to its origin, separation, and fragmentation processes. This comprehensive overview encompasses state-of-the-art techniques, potential applications, diverse extraction methods, chemical modifications, carbon fiber utilization, and the extraction of vanillin. Moreover, the review focuses on the utilization of lignin-modified polymer blends across multiple manufacturing sectors, providing insights into the advantages and limitations of this innovative approach for the development of environmentally friendly materials.
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Affiliation(s)
- Muhammad Abu Taher
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Divisions of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Xiaolin Wang
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Divisions of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | | | - Mohammad Raza Miah
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Divisions of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Jin Zhu
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Divisions of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | - Jing Chen
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Divisions of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
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12
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Chikkatti BS, Sajjan AM, Banapurmath NR, Ayachit NH. Graphene-Doped Hydrogels Promoting Ionic Conductivity in Gel-Valve-Regulated Lead Acid Batteries. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:17232-17239. [PMID: 37973615 DOI: 10.1021/acs.langmuir.3c02285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
In this study, the impact of graphene-doped poly(vinyl alcohol) hydrogels on gel-valve-regulated lead acid batteries was examined. The gel formulations were made by adding various amounts of graphene into the gel system comprising poly(vinyl alcohol) and sulfuric acid. Gel formulations were subjected to an ionic conductivity study and Fourier transform infrared spectroscopy (FTIR) to understand ionic mobility and material interaction, respectively. Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and potentiodynamic polarization (PDP) were utilized to find the optimized amount of graphene in gel formulations. Galvanostatic charge-discharge (GCD) techniques were employed on a battery comprising an optimized gel electrolyte. The battery exhibited a discharge capacity of 12.82 mAh at a current density of 15 mA cm-2. After 500 prolonged cycles, the battery displayed a discharge capacity of 87% at 25 mA cm-2 current density, indicating that graphene-doped hydrogels can be a promising gel electrolyte for lead acid batteries.
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Affiliation(s)
- Bipin S Chikkatti
- Department of Chemistry, KLE Technological University, Hubballi 580031, India
| | - Ashok M Sajjan
- Department of Chemistry, KLE Technological University, Hubballi 580031, India
- Centre of Excellence in Material Science, KLE Technological University, Hubballi 580031, India
| | - Nagaraj R Banapurmath
- Centre of Excellence in Material Science, KLE Technological University, Hubballi 580031, India
| | - Narasimha H Ayachit
- Centre of Excellence in Material Science, KLE Technological University, Hubballi 580031, India
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13
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Hachimi Alaoui C, Réthoré G, Weiss P, Fatimi A. Sustainable Biomass Lignin-Based Hydrogels: A Review on Properties, Formulation, and Biomedical Applications. Int J Mol Sci 2023; 24:13493. [PMID: 37686299 PMCID: PMC10487582 DOI: 10.3390/ijms241713493] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/27/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
Different techniques have been developed to overcome the recalcitrant nature of lignocellulosic biomass and extract lignin biopolymer. Lignin has gained considerable interest owing to its attractive properties. These properties may be more beneficial when including lignin in the preparation of highly desired value-added products, including hydrogels. Lignin biopolymer, as one of the three major components of lignocellulosic biomaterials, has attracted significant interest in the biomedical field due to its biocompatibility, biodegradability, and antioxidant and antimicrobial activities. Its valorization by developing new hydrogels has increased in recent years. Furthermore, lignin-based hydrogels have shown great potential for various biomedical applications, and their copolymerization with other polymers and biopolymers further expands their possibilities. In this regard, lignin-based hydrogels can be synthesized by a variety of methods, including but not limited to interpenetrating polymer networks and polymerization, crosslinking copolymerization, crosslinking grafted lignin and monomers, atom transfer radical polymerization, and reversible addition-fragmentation transfer polymerization. As an example, the crosslinking mechanism of lignin-chitosan-poly(vinyl alcohol) (PVA) hydrogel involves active groups of lignin such as hydroxyl, carboxyl, and sulfonic groups that can form hydrogen bonds (with groups in the chemical structures of chitosan and/or PVA) and ionic bonds (with groups in the chemical structures of chitosan and/or PVA). The aim of this review paper is to provide a comprehensive overview of lignin-based hydrogels and their applications, focusing on the preparation and properties of lignin-based hydrogels and the biomedical applications of these hydrogels. In addition, we explore their potential in wound healing, drug delivery systems, and 3D bioprinting, showcasing the unique properties of lignin-based hydrogels that enable their successful utilization in these areas. Finally, we discuss future trends in the field and draw conclusions based on the findings presented.
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Affiliation(s)
- Chaymaa Hachimi Alaoui
- Chemical Science and Engineering Research Team (ERSIC), FPBM, Sultan Moulay Slimane University, Mghila, P.O. Box 592, Beni Mellal 23000, Morocco;
- Nantes Université, Oniris, Univ Angers, INSERM, Regenerative Medicine and Skeleton, RmeS, UMR 1229, F-44000 Nantes, France
| | - Gildas Réthoré
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RmeS, UMR 1229, F-44000 Nantes, France; (G.R.); (P.W.)
| | - Pierre Weiss
- Nantes Université, Oniris, Univ Angers, CHU Nantes, INSERM, Regenerative Medicine and Skeleton, RmeS, UMR 1229, F-44000 Nantes, France; (G.R.); (P.W.)
| | - Ahmed Fatimi
- Chemical Science and Engineering Research Team (ERSIC), FPBM, Sultan Moulay Slimane University, Mghila, P.O. Box 592, Beni Mellal 23000, Morocco;
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Li X, Li P, Chen W, Ren J, Wu W. Preparation and Adsorption Properties of Lignin/Cellulose Hydrogel. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4260. [PMID: 37374444 DOI: 10.3390/ma16124260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 05/25/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023]
Abstract
With the development of global industry, industrial wastewater pollution has caused serious environmental problems, and the demand for green and sustainable adsorbents is increasingly strong in the society. In this article, lignin/cellulose hydrogel materials were prepared using sodium lignosulfonate and cellulose as raw materials and 0.1% acetic acid solution as a solvent. The results showed that the optimal adsorption conditions for Congo red were as follows: an adsorption time of 4 h, a pH value of 6, and an adsorption temperature of 45 °C. The adsorption process was in line with the Langmuir isothermal model and a quasi-second-order kinetic model, which belonged to single molecular layer adsorption, and the maximum adsorption capacity was 294.0 mg/g. The optimal adsorption conditions for Malachite green were as follows: an adsorption time of 4 h, a pH value of 4, and an adsorption temperature of 60 °C. The adsorption process was consistent with the Freundlich isothermal model and a pseudo-second-order kinetic model, which belonged to the chemisorption-dominated multimolecular layer adsorption with the maximum adsorption capacity of 129.8 mg/g.
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Affiliation(s)
- Xiaoyu Li
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Penghui Li
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Wei Chen
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jianpeng Ren
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Wenjuan Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
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Sandhu A, Bhatia T. Hydrogels: From Design to Applications in Forensic Investigations. ChemistrySelect 2023. [DOI: 10.1002/slct.202204228] [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]
Affiliation(s)
- Anuradha Sandhu
- Department of Forensic science School of Bioengineering and Biosciences Lovely Professional University Phagwara Punjab India 144411
| | - Tejasvi Bhatia
- Department of Forensic science School of Bioengineering and Biosciences Lovely Professional University Phagwara Punjab India 144411
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16
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Tu L, Fan Y, Deng Y, Hu L, Sun H, Zheng B, Lu D, Guo C, Zhou L. Production and Anti-Inflammatory Performance of PVA Hydrogels Loaded with Curcumin Encapsulated in Octenyl Succinic Anhydride Modified Schizophyllan as Wound Dressings. Molecules 2023; 28:molecules28031321. [PMID: 36770985 PMCID: PMC9921521 DOI: 10.3390/molecules28031321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/25/2023] [Accepted: 01/27/2023] [Indexed: 01/31/2023] Open
Abstract
Amphiphilic polysaccharides can be used as wall materials and applied to encapsulate hydrophobic active chemicals; moreover, there is significant demand for novel medical high-molecular-weight materials with various functions. In order to prepare amphiphilic schizophyllan (SPG), octenyl succinic anhydride (OSA) was chosen to synthesize OSA-modified schizophyllan (OSSPG) using an esterified reaction. The modification of OSSPG was demonstrated through FT-IR and thermal analysis. Moreover, it was found that OSSPG has a better capacity for loading curcumin, and the loading amount was 20 μg/mg, which was 2.6 times higher than that of SPG. In addition, a hydrogel made up of PVA, borax, and C-OSSPG (OSSPG loaded with curcumin) was prepared by means of the one-pot method, based on the biological effects of curcumin and the immune-activating properties of SPG. The mechanical properties and biological activity of the hydrogel were investigated. The experimental results show that the dynamic cross-linking of PVA and borax provided the C-OSSPG/BP hydrogel dressing with exceptional self-healing properties, and it was discovered that the C-OSSPG content increased the hydrogel's swelling and moisturizing properties. In fibroblast cell tests, the cells treated with hydrogel had survival rates of 80% or above. Furthermore, a hydrogel containing C-OSSPG could effectively promote cell migration. Due to the excellent anti-inflammatory properties of curcumin, the hydrogel also significantly reduces the generation of inflammatory factors, such as TNF-α and IL-6, and thus has a potential application as a wound dressing medicinal material.
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Affiliation(s)
- Lingyun Tu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
- Guangdong Marubi Biotechnology Co., Ltd., Guangzhou 510700, China
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yifeng Fan
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Yongfei Deng
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
- Guangdong Marubi Biotechnology Co., Ltd., Guangzhou 510700, China
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Lu Hu
- Guangdong Marubi Biotechnology Co., Ltd., Guangzhou 510700, China
| | - Huaiqing Sun
- Guangdong Marubi Biotechnology Co., Ltd., Guangzhou 510700, China
| | - Bisheng Zheng
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Dengjun Lu
- School of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
- Correspondence: (D.L.); (C.G.); (L.Z.)
| | - Chaowan Guo
- Guangdong Marubi Biotechnology Co., Ltd., Guangzhou 510700, China
- Correspondence: (D.L.); (C.G.); (L.Z.)
| | - Lin Zhou
- Guangdong Provincial Key Laboratory of Advanced Drug Delivery, Guangdong Provincial Engineering Center of Topical Precise Drug Delivery System, School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Correspondence: (D.L.); (C.G.); (L.Z.)
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17
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Construction of PVA-lignosulfonate hydrogels for improved mechanical performances and all-in-one flexible supercapacitors. Int J Biol Macromol 2023; 225:1494-1504. [PMID: 36436604 DOI: 10.1016/j.ijbiomac.2022.11.206] [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: 07/24/2022] [Revised: 11/09/2022] [Accepted: 11/20/2022] [Indexed: 11/27/2022]
Abstract
All-in-one supercapacitors are one of the best candidates for realizing flexible supercapacitors because of their outstanding flexibility and stability. The pursuit of improved electrochemical performance while meeting the requirements of flexible functionalization has always been a long-term goal. To this aim, lignosulfonate (LS) can be used in the field of all-in-one supercapacitors and contribute to its unique three-dimensional structure and abundant functional groups. By doping a small amount of LS, a simple approach is developed to achieve a one-step improvement in electrochemical performance and flexible functional design in this study. PVA-lignosulfonate hydrogel (PLH) obtains a compact and regular three-dimensional porous structure, higher ionic conductivity (0.17 S/cm), bending flexibility, and compression resistance. Polyaniline (PANI) based solid-state supercapacitors PANI-PVA and PANI-PLH show specific capacitance values of 505 and 558 mF/cm2, respectively, at a current density of 0.5 mA/cm2. After 5000 charge-discharge cycles, the capacitance retention rate increases from 53 % to 73 %, and the PANI-PLH can maintain the stability of electrochemical performance under bending, folding, puncturing, and squeezing. After 1600 times folding, the capacity remains almost 100 %. This study presents a one-step optimization for the construction of functional and high-performance all-in-one supercapacitors in a simple way and a novel idea for the potential application of the high-value lignin.
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18
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Synthesis of rice straw biopolymers based hydrogels and their use as media for growth of monocot (wheat) and dicot (moong bean) plants. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-022-02644-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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19
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Qian H, Fan Y, Chen J, He L, Sun Y, Li L. Enabling the complete valorization of hybrid Pennisetum: Directly using alkaline black liquor for preparing UV-shielding biodegradable films. Front Bioeng Biotechnol 2022; 10:1027511. [PMID: 36545683 PMCID: PMC9760701 DOI: 10.3389/fbioe.2022.1027511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 11/14/2022] [Indexed: 12/07/2022] Open
Abstract
The conversion of lignocellulosic biomass into various high-value chemicals has been a rapid expanding research topic in industry and agriculture. Among them, alkaline removal and utilization of lignin are important for the accelerated degradation of biomass. Modern biorefinery has been focusing the vision on the advancement of economical, green, and environmentally friendly processes. Therefore, it is indispensable to develop cost-effective and simple biomass conversion technologies to obtain high-value products. In this study, the black liquor (BL) obtained from the alkaline pretreatment of biomass was added to polyvinyl alcohol (PVA) solution and used to prepare degradable ultraviolet (UV) shielding films, achieving direct and efficient utilization of the aqueous phase from alkaline pretreatment. This method avoids the extraction step of lignin fraction from black liquor, which can be directly utilized as the raw materials of films preparation. In addition, the direct use of alkaline BL results in films with similar UV-shielding properties, higher physical strength, and similar thermal stability compared with films made by commercial alkaline lignin. Therefore, this strategy is proposed for alkaline-pretreated biorefineries as a simple way to convert waste BL into valuable products and partially recover unconsumed sodium hydroxide to achieve as much integration of biomass and near zero-waste biorefineries as possible.
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Affiliation(s)
- Haojiang Qian
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China,Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, China
| | - Yafeng Fan
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China,Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, China
| | - Jiazhao Chen
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China
| | - Linsong He
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China
| | - Yongming Sun
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China,Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, China,Guangzhou Institute of Energy Conversion, CAS Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou, China,Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou, China
| | - Lianhua Li
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou, China,Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, China,Guangzhou Institute of Energy Conversion, CAS Key Laboratory of Renewable Energy, Chinese Academy of Sciences, Guangzhou, China,Guangdong Key Laboratory of New and Renewable Energy Research and Development, Guangzhou, China,*Correspondence: Lianhua Li,
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20
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Su D, Bai X, He X. Research progress on hydrogel materials and their antifouling properties. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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21
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Liang L, Guo Y, Wang H, Liao Z, Zhang J, Wei L, Hou K. Study on plasma‐modified corn stover‐humic acid‐based superabsorbent resin. J Appl Polym Sci 2022. [DOI: 10.1002/app.53390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Lanlan Liang
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
| | - Yani Guo
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
| | - Haoyu Wang
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
| | - Zi Liao
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
| | - Jiahui Zhang
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
| | - Lijie Wei
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
| | - Kang Hou
- School of Environmental and Chemical Engineering Xi'an Polytechnic University Xi'an China
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22
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Baruah K, Ahmed A, Dutta R, Ahmed S, Lahkar S, Dolui SK. Removal of organic solvents from contaminated water surface through a fatty acid grafted polyvinyl alcohol based organogel. J Appl Polym Sci 2022. [DOI: 10.1002/app.53123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kankana Baruah
- Department of Chemical Sciences Tezpur University Napaam Assam India
| | - Asfi Ahmed
- Department of Chemical Sciences Tezpur University Napaam Assam India
| | - Riku Dutta
- Department of Chemical Engineering Jadavpur University Kolkata West Bengal India
| | - Shahnaz Ahmed
- Department of Chemical Sciences Tezpur University Napaam Assam India
| | - Suman Lahkar
- Department of Chemical Sciences Tezpur University Napaam Assam India
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Beaucamp A, Muddasar M, Crawford T, Collins MN, Culebras M. Sustainable lignin precursors for tailored porous carbon-based supercapacitor electrodes. Int J Biol Macromol 2022; 221:1142-1149. [PMID: 36115449 DOI: 10.1016/j.ijbiomac.2022.09.097] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/07/2022] [Accepted: 09/10/2022] [Indexed: 11/16/2022]
Abstract
Sustainable materials are attracting a lot of attention since they will be critical in the creation of the next generation of products and devices. In this study, hydrogels were effectively synthesized utilizing lignin, a non-valorised biopolymer from the paper industry. This study proposes a method based on utilizing lignin to create highly swollen hydrogels using poly(ethylene) glycol diglycidyl ether (PEGDGE) as a crosslinking agent. The influence of different crosslinker ratios on the structural and chemical properties of the resultant hydrogels was investigated. Pore size was observed to be lowered when the amount of crosslinker was increased. The inclusion of additional hydrophilic groups in the hydrogel network decreased the swelling capacity of the hydrogels as the crosslinking density increases. These precursor materials were carbonised and electrochemically tested for application as electrodes for supercapacitors with capacitance characterized as a function of crosslinker ratio.
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Affiliation(s)
- Anne Beaucamp
- Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Muhammad Muddasar
- Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick, Ireland; SFI Centre for Advanced Materials and BioEngineering Research, Ireland
| | - Tara Crawford
- Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Maurice N Collins
- Stokes Laboratories, School of Engineering, Bernal Institute, University of Limerick, Limerick, Ireland; SFI Centre for Advanced Materials and BioEngineering Research, Ireland.
| | - Mario Culebras
- Institute of Material Science, University of Valencia, Valencia, Spain.
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Hydrogel and Effects of Crosslinking Agent on Cellulose-Based Hydrogels: A Review. Gels 2022; 8:gels8090568. [PMID: 36135281 PMCID: PMC9498307 DOI: 10.3390/gels8090568] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/03/2022] [Accepted: 09/05/2022] [Indexed: 01/21/2023] Open
Abstract
Hydrogels are hydrophilic polymer materials that can swell but are insoluble in water. Hydrogels can be synthesized with synthetic or natural polymers, but natural polymers are preferred because they are similar to natural tissues, which can absorb a high water content, are biocompatible, and are biodegradable. The three-dimensional structure of the hydrogel affects its water insolubility and ability to maintain its shape. Cellulose hydrogels are preferred over other polymers because they are highly biocompatible, easily accessible, and affordable. Carboxymethyl cellulose sodium (CMCNa) is an example of a water-soluble cellulose derivative that can be synthesized using natural materials. A crosslinking agent is used to strengthen the properties of the hydrogel. Chemical crosslinking agent is used more often than physical crosslinking agent. In this review, article, different types of crosslinking agents are discussed based on synthetic and natural crosslinking agents. Hydrogels that utilize synthetic crosslinking agent have advantages, such as adjustable mechanical properties and easy control of the chemical composition. However, hydrogels that use natural crosslinking agent have better biocompatibility and less latent toxic effect.
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25
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The Circular Economy Paradigm: Modification of Bagasse-Derived Lignin as a Precursor to Sustainable Hydrogel Production. SUSTAINABILITY 2022. [DOI: 10.3390/su14148791] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
There have been many efforts to valorise lignin to produce bio-based chemicals and advanced materials. In this study, alkaline delignification was initially employed to recover lignin from the rind, pulp, and whole bagasse fractions of Moroccan sugarcane. The lignin fractions were subsequently modified via silanization and acetylation reactions. The modified lignin and raw lignin were then characterised to assess changes in their physicochemical properties via Fourier transform infrared spectroscopy (FTIR), solubility and thermogravimetric assessment, with both salinization and acetylation modification shown to enhance the solubility properties of the raw lignin of both polar and non-polar solvents. Preliminary investigations into the suitability of employing the modified lignin in hydrogel preparation were also undertaken. The preliminary hydrogels were developed using heating and freeze-thawing methods, while polyvinyl alcohol (PVA) and epichlorohydrin (ECH) were used as the matrix and the crosslinking agents, respectively. Fourier transform infrared spectroscopy (FTIR), rheological analysis, scanning electron microscopy, and thermal analysis were then used to characterize the different lignin–PVA hydrogels. The study showed that the swelling behaviour of the hydrogels was mainly influenced by the nature of the lignin (i.e., modified or raw), and the morphology of the hydrogel surfaces varied depending on the preparation methods. The study showed that the hydrogel based on silanized lignin and PVA had superior mechanical performance and swelling capacity compared to the acetylated lignin–PVA and raw lignin–PVA hydrogels.
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Bagasse Cellulose Composite Superabsorbent Material with Double-Crosslinking Network Using Chemical Modified Nano-CaCO 3 Reinforcing Strategy. NANOMATERIALS 2022; 12:nano12091459. [PMID: 35564167 PMCID: PMC9104651 DOI: 10.3390/nano12091459] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 04/22/2022] [Indexed: 01/13/2023]
Abstract
To improve the salt resistance of superabsorbent materials and the gel strength of superabsorbent materials after water absorption, a bagasse cellulose-based network structure composite superabsorbent (CAAMC) was prepared via graft copolymerization of acrylamide/acrylic acid (AM/AA) onto bagasse cellulose using silane coupling agent modified nano-CaCO3 (MNC) and N,N′-methylene bisacrylamide (MBA) as a double crosslinker. The acrylamide/acrylic acid was chemically crosslinked with modified nano-CaCO3 by C-N, and a stable double crosslinked (DC) network CAAMC was formed under the joint crosslinking of N,N′-methylene bisacrylamide and modified nano-CaCO3. Modified nano-CaCO3 plays a dual role of crosslinking agent and the filler, and the gel strength of composite superabsorbent is two times higher than that of N,N′-methylene bisacrylamide single crosslinking. The maximum absorbency of CAAMC reached 712 g/g for deionized water and 72 g/g for 0.9 wt% NaCl solution. The adsorption process of CAAMC was simulated by materials studio, and the maximum adsorption energy of amino and carboxyl groups for water molecules is −2.413 kJ/mol and −2.240 kJ/mol, respectively. According to the results of CAAMC soil water retention, a small amount of CAAMC can greatly improve the soil water retention effect.
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Shijie Xu, Zhang P, Ma W, Yang H, Cao Z, Gong F, Zhong J. High Water Resistance Polyvinyl Alcohol Hydrogel Film Prepared by Melting Process Combining with Citric Acid Cross-Linking. POLYMER SCIENCE SERIES B 2022. [DOI: 10.1134/s1560090422020130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Hydrogel loading 2D montmorillonite exfoliated by anti-inflammatory Lycium barbarum L. polysaccharides for advanced wound dressing. Int J Biol Macromol 2022; 209:50-58. [PMID: 35331795 DOI: 10.1016/j.ijbiomac.2022.03.089] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 03/15/2022] [Accepted: 03/15/2022] [Indexed: 01/03/2023]
Abstract
Designing wound dressing materials with hemocompatibility, suitable mechanical properties, outstanding hemostatic effects and anti-inflammatory activity is of great practical significance for wound management. Herein, a hemostatic hydrogel loaded with Lycium barbarum L. polysaccharide (LBP)-functionalized ultrathin MMT nanosheets (L-MMT NSs) was fabricated for efficient hemostasis and wound healing. Loading the L-MMT NSs into polyvinyl alcohol (PVA), the obtained P-L-MMT hydrogel exhibited a 3D porous structure with good swelling properties, cytocompatibility, hemocompatibility, and anti-inflammatory activity. Importantly, in vivo investigations demonstrated that the P-L-MMT hydrogel exerts outstanding hemostasis activity in the hemorrhaging mouse liver model and reduces tissue damage caused by inflammation to shorten wound healing time. Altogether, the convenient exfoliation and functionalization of bulk MMT using LBPs make this inexpensive and rising nanostructure more attractive in the application of nanomedicine. Moreover, due to the synergy between hemostasis and anti-inflammation, this newly developed multifunctional P-L-MMT hydrogel represents a promising material in biomedical fields.
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Mannich-mediated synthesis of a recyclable magnetic kraft lignin-coated copper nanostructure as an efficient catalyst for treatment of environmental contaminants in aqueous media. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120373] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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30
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A template synthesized strategy on bentonite-doped lignin hydrogel spheres for organic dyes removal. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2021.120376] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Ortega F, Versino F, López OV, García MA. Biobased composites from agro-industrial wastes and by-products. EMERGENT MATERIALS 2022; 5:873-921. [PMID: 34849454 PMCID: PMC8614084 DOI: 10.1007/s42247-021-00319-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/14/2021] [Indexed: 05/09/2023]
Abstract
The greater awareness of non-renewable natural resources preservation needs has led to the development of more ecological high-performance polymeric materials with new functionalities. In this regard, biobased composites are considered interesting options, especially those obtained from agro-industrial wastes and by-products. These are low-cost raw materials derived from renewable sources, which are mostly biodegradable and would otherwise typically be discarded. In this review, recent and innovative academic studies on composites obtained from biopolymers, natural fillers and active agents, as well as green-synthesized nanoparticles are presented. An in-depth discussion of biobased composites structures, properties, manufacture, and life-cycle assessment (LCA) is provided along with a wide up-to-date overview of the most recent works in the field with appropriate references. Potential uses of biobased composites from agri-food residues such as active and intelligent food packaging, agricultural inputs, tissue engineering, among others are described, considering that the specific characteristics of these materials should match the proposed application.
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Affiliation(s)
- Florencia Ortega
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), UNLP-CONICET-CICPBA, 47 y 116 (1900), La Plata, Argentina
| | - Florencia Versino
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), UNLP-CONICET-CICPBA, 47 y 116 (1900), La Plata, Argentina
| | - Olivia Valeria López
- Planta Piloto de Ingeniería Química (PLAPIQUI), UNS-CONICET, Camino La Carrindanga km.7 (8000), Bahía Blanca, Argentina
| | - María Alejandra García
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), UNLP-CONICET-CICPBA, 47 y 116 (1900), La Plata, Argentina
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Liu S, Zhou X, Nie L, Wang Y, Hu Z, Okoro OV, Shavandi A, Fan L. Anisotropic PLGA microsphere/PVA hydrogel composite with aligned macroporous structures for directed cell adhesion and proliferation. INT J POLYM MATER PO 2021. [DOI: 10.1080/00914037.2021.2018317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Shuang Liu
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
| | - Xiaohu Zhou
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
| | - Lei Nie
- College of Life Sciences, Xinyang Normal University, Xinyang, China
| | - Youli Wang
- Rizhao Biomedicine and New Materials Research, Wuhan University of Technology, Rizhao, China
| | - Zhihai Hu
- Rizhao Biomedicine and New Materials Research, Wuhan University of Technology, Rizhao, China
| | - Oseweuba Valentine Okoro
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles - BioMatter Unit, Brussels, Belgium
| | - Amin Shavandi
- Université libre de Bruxelles (ULB), École polytechnique de Bruxelles - BioMatter Unit, Brussels, Belgium
| | - Lihong Fan
- School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, China
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Parvathy PA, Ayobami AV, Raichur AM, Sahoo SK. Methacrylated alkali lignin grafted P(Nipam-Co-AAc) copolymeric hydrogels: Tuning the mechanical and stimuli-responsive properties. Int J Biol Macromol 2021; 192:180-196. [PMID: 34619273 DOI: 10.1016/j.ijbiomac.2021.09.183] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/17/2021] [Accepted: 09/26/2021] [Indexed: 01/06/2023]
Abstract
The current study reports the preparation of lignin grafted temperature and pH responsive hydrogels through copolymerization of N-isopropylacrylamide, acrylic acid and varying amount of lignin methacrylate (LMA = 50, 100, 150 and 200 mg) as crosslinker adopting radical polymerization technique. Functional group and structural characterizations were carried out to confirm hydrogels synthesis and their network structure. The variation in pore size on addition of lignin revealed the tuning of pores as well as swelling capacity of the hydrogels by suitable amount of LMA. All LMA grafted hydrogels showed temperature responsive behavior and pH dependent sensitivity in swelling, with reduced equilibrium swelling capacity values compared to sample without lignin. In alkali medium at room temperature, the maximum swelling capacity with 48% higher retention was noticed, while a significant reduction in swelling was observed at 40 °C in all media. The addition of lignin still preserved the tensile strength up to 100 kPa and compressive load bearing ability up to 30 kPa in freeze dried state with adequate interfacial stress transfer. An increase in lignin concentration showed enhanced storage modulus (~two-fold increase), adequate loss modulus values and improved cell viability, which paves the way for possible biomedical applications.
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Affiliation(s)
- P A Parvathy
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (ACSIR), Ghaziabad 201002, India
| | - Ajisafe V Ayobami
- Biomaterials and Nanobiotechnology lab, Department of Materials Engineering, Indian Institute of Science (IISc), Bangalore, India
| | - Ashok M Raichur
- Biomaterials and Nanobiotechnology lab, Department of Materials Engineering, Indian Institute of Science (IISc), Bangalore, India
| | - Sushanta K Sahoo
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (ACSIR), Ghaziabad 201002, India.
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Abstract
Hydrogels have three-dimensional network structures, high water content, good flexibility, biocompatibility, and stimulation response, which have provided a unique role in many fields such as industry, agriculture, and medical treatment. Poly(vinyl alcohol) PVA hydrogel is one of the oldest composite hydrogels. It has been extensively explored due to its chemical stability, nontoxic, good biocompatibility, biological aging resistance, high water-absorbing capacity, and easy processing. PVA-based hydrogels have been widely investigated in drug carriers, articular cartilage, wound dressings, tissue engineering, and other intelligent materials, such as self-healing and shape-memory materials, supercapacitors, sensors, and other fields. In this paper, the discovery, development, preparation, modification methods, and applications of PVA functionalized hydrogels are reviewed, and their potential applications and future research trends are also prospected.
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Huang J, Guo Q, Zhu R, Liu Y, Xu F, Zhang X. Facile fabrication of transparent lignin sphere/PVA nanocomposite films with excellent UV-shielding and high strength performance. Int J Biol Macromol 2021; 189:635-640. [PMID: 34454999 DOI: 10.1016/j.ijbiomac.2021.08.167] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 08/17/2021] [Accepted: 08/20/2021] [Indexed: 12/23/2022]
Abstract
With the rapid development of human society, more and more concerns are directed to utilization of environment-friendly and biodegradable materials. To meet this demand, we fabricated an environment-friendly poly (vinyl alcohol) (PVA)/lignin nanocomposite films with excellent UV-shielding and visible-transparent performance. The lignin-based nanosphere (LNSs) were prepared via self-assembly and uniformly distributed in the PVA matrix by forming strong hydrogen bonds with PVA matrix. With the introduction of LNSs into PVA matrix, the various performance such as tensile strength, thermal stability, and UV-shielding of PVA/Lignin nanocomposite films were enhanced. Amazingly, the UV-shielding results revealed that UVB (320-275 nm) and UVC (275-200 nm) were completely shielded and UVA (400-320 nm) was mostly shielded with addition of 4 wt% LNSs. Meanwhile, the tensile strength of the nanocomposite film was dramatically enhanced, in which the strength increased from 76 MPa to 112 MPa. Since both lignin and PVA were biodegradable materials, this work provides a simple and valuable method for the preparation of biodegradable and functional films.
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Affiliation(s)
- Jianbo Huang
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Qing Guo
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Ruonan Zhu
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Yuanyuan Liu
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Feng Xu
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing 100083, China
| | - Xueming Zhang
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, 35 Qinghua East Road, Haidian District, Beijing 100083, China.
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Formulation of captopril-loaded hydrogel by microwave-assisted free radical polymerization and its evaluation. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03867-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Iritani K, Nakanishi A, Ota A, Yamashita T. Fabrication of Novel Functional Cell-Plastic Using Polyvinyl Alcohol: Effects of Cross-Linking Structure and Mixing Ratio of Components on the Mechanical and Thermal Properties. GLOBAL CHALLENGES (HOBOKEN, NJ) 2021; 5:2100026. [PMID: 34377533 PMCID: PMC8335826 DOI: 10.1002/gch2.202100026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 06/03/2021] [Indexed: 05/11/2023]
Abstract
The current system of disposal of plastic materials fabricated from petroleum-based resources causes serious environmental pollution. To solve the problem, a bioplastic called "cell-plastic" is developed, in which unicellular green algal cells serve as a fundamental resource. This approach converts CO2 in the atmosphere directly into plastic products by exploiting the photosynthetic-driven proliferation of algal cells. Herein, cell-plastic films are fabricated using biodegradable and water-soluble polyvinyl alcohol (PVA) as a matrix, in which the effects of a cell-to-matrix mixing ratio and the chemical structure of the matrix on the mechanical and thermal properties are investigated. As a method of the chemical structural change, a cross-linking structure is introduced to the matrix by connecting hydroxy groups of PVA using aldehyde. The tensile tests reveal that the PVA-cell-plastic film maintains the mechanical properties of PVA film. Moreover, a cross-linked cell-plastic film exhibits high water absorption, making it suitable as a functional cell-plastic material.
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Affiliation(s)
- Kohei Iritani
- Department of Applied ChemistrySchool of EngineeringTokyo University of TechnologyTokyo192‐0982Japan
| | - Akihito Nakanishi
- School of Bioscience and BiotechnologyTokyo University of TechnologyTokyo192‐0982Japan
- Graduate School of BionicsTokyo University of TechnologyTokyo192‐0982Japan
| | - Ayami Ota
- Department of Applied ChemistrySchool of EngineeringTokyo University of TechnologyTokyo192‐0982Japan
| | - Takashi Yamashita
- Department of Applied ChemistrySchool of EngineeringTokyo University of TechnologyTokyo192‐0982Japan
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Recent advances in lignin-based porous materials for pollutants removal from wastewater. Int J Biol Macromol 2021; 187:880-891. [PMID: 34329666 DOI: 10.1016/j.ijbiomac.2021.07.152] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/14/2021] [Accepted: 07/22/2021] [Indexed: 01/03/2023]
Abstract
Water pollution is one of the most serious threats facing mankind today and has obtained widespread attention. Significant advances have been made in the past decades to apply porous materials in wastewater treatment, due to their large specific surface areas (SBET) for interaction with the aimed ions or molecules. However, the majority of porous materials are prepared from fossil-based resources and still possess some drawbacks, such as high cost and non-degradability, which inevitably cause secondary pollution to the environment from their production to disposal. Lignin is the most abundant and the only scalable renewable aromatic resource on earth. Due to its unique physicochemical properties including high carbon content, plentiful functional groups and environmental friendliness, the lignin-based porous materials (LPMs) have shown promising prospects in efficient removal of soluble pollutants from wastewater. In this review, we firstly described the structural and chemical basis of LPMs, following presented the recent progress in the decontamination of heavy metal ions, organic dyes, antibiotics, anions and radionuclides from aqueous systems. Additionally, the outlook was provided to promote more practical implementation of LPMs in the near future.
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Synthesis of lignin-based hydrogels and their applications in agriculture: A review. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01712-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Highly efficient and sustainable alginate/carboxylated lignin hybrid beads as adsorbent for cationic dye removal. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.104839] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Fabricating Antibacterial and Antioxidant Electrospun Hydrophilic Polyacrylonitrile Nanofibers Loaded with AgNPs by Lignin-Induced In-Situ Method. Polymers (Basel) 2021; 13:polym13050748. [PMID: 33670863 PMCID: PMC7957607 DOI: 10.3390/polym13050748] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 02/23/2021] [Accepted: 02/25/2021] [Indexed: 12/02/2022] Open
Abstract
Concerning the environmental hazards owing to the chemical-based synthesis of silver nanoparticles (AgNPs), this study aimed to investigate the possibility of synthesizing AgNPs on the surface of polyacrylonitrile (PAN) nanofibers utilizing biomacromolecule lignin. SEM observations revealed that the average diameters of the produced nanofibers were slightly increased from ~512 nm to ~673 nm due to several factors like-swellings that happened during the salt treatment process, surface-bound lignin, and the presence of AgNPs. The presence of AgNPs was validated by transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS) analysis. The amount of synthesized AgNPs on PAN nanofibers was found to be dependent on both precursor silver salt and reductant lignin concentration. Fourier transform infrared-attenuated total reflectance (FTIR-ATR) spectra confirm the presence of lignin on PAN nanofibers. Although the X-ray diffraction pattern did not show any AgNPs band, the reduced intensity of the stabilized PAN characteristics bands at 2θ = 17.28° and 29.38° demonstrated some misalignment of PAN polymeric chains. The water contact angle (WCA) of hydrophobic PAN nanofibers was reduced from 112.6 ± 4.16° to 21.4 ± 5.03° for the maximum AgNPs coated specimen. The prepared membranes exhibited low thermal stability and good swelling capacity up to 20.1 ± 0.92 g/g and 18.05 ± 0.68 g/g in distilled water and 0.9 wt% NaCl solution, respectively. Coated lignin imparts antioxidant activity up to 78.37 ± 0.12% at 12 h of incubation. The resultant nanofibrous membranes showed a proportional increase in antibacterial efficacy with the rise in AgNPs loading against both Gram-positive S. aureus and Gram-negative E. coli bacterial strains by disc diffusion test (AATCC 147-1998). Halos for maximum AgNPs loading was calculated to 18.89 ± 0.15 mm for S. aureus and 21.38 ± 0.17 mm for E. coli. An initial burst release of silver elements within 24 h was observed in the inductively coupled plasma-atomic emission spectrometry (ICP-AES) test, and the release amounts were proportionally expansive with the increase in Ag contents. Our results demonstrated that such types of composite nanofibers have a strong potential to be used in biomedicine.
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Lignin-derived (nano)materials for environmental pollution remediation: Current challenges and future perspectives. Int J Biol Macromol 2021; 178:394-423. [PMID: 33636266 DOI: 10.1016/j.ijbiomac.2021.02.165] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 02/12/2021] [Accepted: 02/21/2021] [Indexed: 12/31/2022]
Abstract
The supply of affordable drinking and sufficiently clean water for human consumption is one of the world's foremost environmental problems and a large number of scientific research works are addressing this issue Various hazardous/toxic environmental contaminants in water bodies, both inorganic and organic (specifically heavy metals and dyes), have become a serious global problem. Nowadays, extensive efforts have been made to search for novel, cost effective and practical biosorbents derived from biomass resources with special attention to value added, biomass-based renewable materials. Lignin and (nano)material adorned lignin derived entities can proficiently and cost effectively remove organic/inorganic contaminants from aqueous media. As low cost of preparation is crucial for their wide applications in water/wastewater treatment (particularly industrial water), future investigations must be devoted to refining and processing the economic viability of low cost, green lignin-derived (nano)materials. Production of functionalized lignin, lignin supported metal/metal oxide nanocomposites or hydrogels is one of the effective approaches in (nano)technology. This review outlines recent research progresses, trends/challenges and future prospects about lignin-derived (nano)materials and their sustainable applications in wastewater treatment/purification, specifically focusing on adsorption and/or catalytic reduction/(photo)degradation of a variety of pollutants.
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Light and Hydrogels: A New Generation of Antimicrobial Materials. MATERIALS 2021; 14:ma14040787. [PMID: 33562335 PMCID: PMC7915775 DOI: 10.3390/ma14040787] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 01/25/2021] [Accepted: 02/01/2021] [Indexed: 01/17/2023]
Abstract
Nosocomial diseases are becoming a scourge in hospitals worldwide, and new multidrug-resistant microorganisms are appearing at the forefront, significantly increasing the number of deaths. Innovative solutions must emerge to prevent the imminent health crisis risk, and antibacterial hydrogels are one of them. In addition to this, for the past ten years, photochemistry has become an appealing green process attracting continuous attention from scientists in the scope of sustainable development, as it exhibits many advantages over other methods used in polymer chemistry. Therefore, the combination of antimicrobial hydrogels and light has become a matter of course to design innovative antimicrobial materials. In the present review, we focus on the use of photochemistry to highlight two categories of hydrogels: (a) antibacterial hydrogels synthesized via a free-radical photochemical crosslinking process and (b) chemical hydrogels with light-triggered antibacterial properties. Numerous examples of these new types of hydrogels are described, and some notions of photochemistry are introduced.
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Ahmed FK, Mostafa M, Abd-Elsalam KA. Micro-/nanoscale biodegradable hydrogels: Water purification, management, conservation, and agrochemical delivery. AQUANANOTECHNOLOGY 2021:201-229. [DOI: 10.1016/b978-0-12-821141-0.00002-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Shavandi A, Hosseini S, Okoro OV, Nie L, Eghbali Babadi F, Melchels F. 3D Bioprinting of Lignocellulosic Biomaterials. Adv Healthc Mater 2020; 9:e2001472. [PMID: 33103365 DOI: 10.1002/adhm.202001472] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/01/2020] [Indexed: 01/21/2023]
Abstract
The interest in bioprinting of sustainable biomaterials is rapidly growing, and lignocellulosic biomaterials have a unique role in this development. Lignocellulosic materials are biocompatible and possess tunable mechanical properties, and therefore promising for use in the field of 3D-printed biomaterials. This review aims to spotlight the recent progress on the application of different lignocellulosic materials (cellulose, hemicellulose, and lignin) from various sources (wood, bacteria, and fungi) in different forms (including nanocrystals and nanofibers in 3D bioprinting). Their crystallinity, leading to water insolubility and the presence of suspended nanostructures, makes these polymers stand out among hydrogel-forming biomaterials. These unique structures give rise to favorable properties such as high ink viscosity and strength and toughness of the final hydrogel, even when used at low concentrations. In this review, the application of lignocellulosic polymers with other components in inks is reported for 3D bioprinting and identified supercritical CO2 as a potential sterilization method for 3D-printed cellulosic materials. This review also focuses on the areas of potential development by highlighting the opportunities and unmet challenges such as the need for standardization of the production, biocompatibility, and biodegradability of the cellulosic materials that underscore the direction of future research into the 3D biofabrication of cellulose-based biomaterials.
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Affiliation(s)
- Amin Shavandi
- BioMatter–Biomass Transformation Lab (BTL), École Polytechnique de Bruxelles Université Libre de Bruxelles Avenue F.D. Roosevelt, 50‐CP 165/61 Brussels 1050 Belgium
| | - Soraya Hosseini
- Department of Chemical Engineering National Chung Cheng University Chiayi 62102 Taiwan
| | - Oseweuba Valentine Okoro
- Department of Process Engineering Stellenbosch University Private Bag X1 Matieland 7602 South Africa
| | - Lei Nie
- College of Life Sciences Xinyang Normal University Xinyang 464000 China
| | - Farahnaz Eghbali Babadi
- Bio‐Circular‐Green‐economy Technology & Engineering Center BCGeTEC Department of Chemical Engineering Faculty of Engineering Chulalongkorn University Phayathai Road Bangkok 10330 Thailand
| | - Ferry Melchels
- Institute of Biological Chemistry, Biophysics and Bioengineering School of Engineering and Physical Sciences Heriot‐Watt University Edinburgh EH14 4AS UK
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Lu C, Qiu Y, Guo X, Wang C, Wang J, Chu F. Combination of atom transfer radical polymerization and click chemistry toward cellulose-rosin derived UV-absorbent copolymers. IRANIAN POLYMER JOURNAL 2020. [DOI: 10.1007/s13726-020-00853-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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47
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Preparation and interaction mechanism of Nano disperse dye using hydroxypropyl sulfonated lignin. Int J Biol Macromol 2020; 152:280-287. [DOI: 10.1016/j.ijbiomac.2020.02.261] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/19/2020] [Accepted: 02/23/2020] [Indexed: 11/22/2022]
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Wang H, Wang Y, Fu F, Qian Y, Xiao Y, Yang D, Qiu X. Controlled preparation of lignin/titanium dioxide hybrid composite particles with excellent UV aging resistance and its high value application. Int J Biol Macromol 2020; 150:371-379. [DOI: 10.1016/j.ijbiomac.2019.12.185] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/12/2019] [Accepted: 12/20/2019] [Indexed: 12/18/2022]
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Vasile C, Pamfil D, Stoleru E, Baican M. New Developments in Medical Applications of Hybrid Hydrogels Containing Natural Polymers. Molecules 2020; 25:E1539. [PMID: 32230990 PMCID: PMC7180755 DOI: 10.3390/molecules25071539] [Citation(s) in RCA: 130] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/21/2020] [Accepted: 03/24/2020] [Indexed: 01/08/2023] Open
Abstract
New trends in biomedical applications of the hybrid polymeric hydrogels, obtained by combining natural polymers with synthetic ones, have been reviewed. Homopolysaccharides, heteropolysaccharides, as well as polypeptides, proteins and nucleic acids, are presented from the point of view of their ability to form hydrogels with synthetic polymers, the preparation procedures for polymeric organic hybrid hydrogels, general physico-chemical properties and main biomedical applications (i.e., tissue engineering, wound dressing, drug delivery, etc.).
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Affiliation(s)
- Cornelia Vasile
- Physical Chemistry of Polymers Department, “P. Poni” Institute of Macromolecular Chemistry, 41A Gr. Ghica Voda Alley, RO, Iaşi 700484, Romania; (D.P.); (E.S.)
| | - Daniela Pamfil
- Physical Chemistry of Polymers Department, “P. Poni” Institute of Macromolecular Chemistry, 41A Gr. Ghica Voda Alley, RO, Iaşi 700484, Romania; (D.P.); (E.S.)
| | - Elena Stoleru
- Physical Chemistry of Polymers Department, “P. Poni” Institute of Macromolecular Chemistry, 41A Gr. Ghica Voda Alley, RO, Iaşi 700484, Romania; (D.P.); (E.S.)
| | - Mihaela Baican
- Pharmaceutical Physics Department, “Grigore T. Popa” Medicine and Pharmacy University, 16, University Str., Iaşi 700115, Romania
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