1
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Akbarzadeh M, Olad A, Salari D, Mirmohseni A. Gelatin-carboxymethyl cellulose/iron-based metal-organic framework nanocomposite hydrogel as a promising biodegradable fertilizer release system: Synthesis, characterization, and fertilizer release studies. Int J Biol Macromol 2024; 279:135316. [PMID: 39236953 DOI: 10.1016/j.ijbiomac.2024.135316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2024] [Revised: 08/12/2024] [Accepted: 09/02/2024] [Indexed: 09/07/2024]
Abstract
Application of fertilizers is a routine method in agriculture to increase the fertility of plants However, conventional fertilizers have raised serious health and environmental problems in recent years. Therefore, the development of biodegradable superabsorbent hydrogels based on natural polymers with the capability for fertilizer controlled release has attracted much interest. In the current research, a novel nanocomposite hydrogel based on gelatin and carboxymethyl cellulose polymers enriched with an iron based metal- organic framework (MIL-53 (Iron)) was prepared. The prepared nanocomposite hydrogel was loaded with NPK fertilizer to obtain a slow release fertilizer system. The structural properties of the nanocomposite hydrogel were investigated using FTIR, XRD, and SEM techniques. The swelling and fertilizer release behavior of the nanocomposite hydrogel were evaluated in conditions. Results showed that by adding iron-based metal organic framework to the hydrogel matrix, the water absorption capacity of the hydrogel system was increased to 345.8 (g/g). Fertilizer release studies revealed that the release of fertilizer from the nanocomposite matrix has a slow and continuous release pattern. Therefore, the synthesized nanocomposite has an appropriate strength and high potential to be used as a slow-release fertilizer system.
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Affiliation(s)
- Mina Akbarzadeh
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Ali Olad
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
| | - Dariush Salari
- Laboratory of Petroleum Technology, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Abdolreza Mirmohseni
- Polymer Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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2
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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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3
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Antunes DR, Forini MMLH, Biscalchim ÉR, Lima PHC, Cavalcante LAF, Teixeira Filho MCM, Tripathi DK, Caballero JP, Grillo R. Polysaccharide-based sustainable hydrogel spheres for controlled release of agricultural inputs. Int J Biol Macromol 2024; 279:135202. [PMID: 39216580 DOI: 10.1016/j.ijbiomac.2024.135202] [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: 05/30/2024] [Revised: 08/17/2024] [Accepted: 08/28/2024] [Indexed: 09/04/2024]
Abstract
Producing food in quantity and quality to meet the growing population demand is a challenge for the coming years. In addition to the need to improve the use and efficiency of conventional agricultural inputs, we face climate change and disparity in access to food. In this context, creating innovative, efficient, and ecologically approaches is necessary to transform this global scenario. Several delivery systems are being developed to encapsulate agrochemicals, aiming to improve the controlled release of active ingredients and protect them against environmental biotic and abiotic factors. Among these systems, hydrogel spheres are particularly notable for their ability to be fabricated from biodegradable materials, allowing the encapsulation of molecules, nanomaterials, and even organisms (e.g., bacteria and fungi). This review provides an overview of the latest progress in developing polysaccharide-based hydrogel spheres for agriculture. In addition, we describe methods for preparing hydrogel spheres and discuss the encapsulation and release of agricultural inputs in the field. Finally, we put hydrogel spheres into perspective and seek to highlight some current challenges in the field to spark new inspiration and improve the development of environmentally friendly and cost-effective delivery systems for the agricultural sector.
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Affiliation(s)
- Débora R Antunes
- São Paulo State University (UNESP), Department of Physics and Chemistry, School of Engineering, Ilha Solteira, SP 15385-007, Brazil
| | - Mariana M L H Forini
- São Paulo State University (UNESP), Department of Physics and Chemistry, School of Engineering, Ilha Solteira, SP 15385-007, Brazil
| | - Érica R Biscalchim
- São Paulo State University (UNESP), Department of Physics and Chemistry, School of Engineering, Ilha Solteira, SP 15385-007, Brazil
| | - Pedro H C Lima
- São Paulo State University (UNESP), Department of Physics and Chemistry, School of Engineering, Ilha Solteira, SP 15385-007, Brazil
| | - Luiz A F Cavalcante
- São Paulo State University (UNESP), Department of Physics and Chemistry, School of Engineering, Ilha Solteira, SP 15385-007, Brazil
| | - Marcelo C M Teixeira Filho
- São Paulo State University (UNESP), Department of Plant Protection, Rural Engineering and Soils, School of Engineering, Ilha Solteira, SP 15385-000, Brazil
| | - Durgesh K Tripathi
- Crop Nanobiology and Molecular Stress Physiology Lab, Amity Institute of Organic Agriculture, Amity University Uttar Pradesh, Sector-125, Noida 201313, India
| | - Javier Pitti Caballero
- Instituto de Innovación Agropecuaria de Panamá (IDIAP), Estación Experimental de Cerro Punta, Centro de Innovación Agropecuaria de Chiriquí, Provincia de Chiriquí, Panamá
| | - Renato Grillo
- São Paulo State University (UNESP), Department of Physics and Chemistry, School of Engineering, Ilha Solteira, SP 15385-007, Brazil
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4
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Wu J, Sheng X, Li L, Liang J, Li Y, Zhao Z, Cui F. Rational Design of a Multifunctional Hydrogel Trap for Water and Fertilizer Capture: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:17176-17190. [PMID: 39067070 DOI: 10.1021/acs.jafc.4c03207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Water scarcity and land infertility pose significant challenges to agricultural development, particularly in arid and semiarid regions. Improving soil-water-retention capacity and fertilizer utilization efficiency through the application of soil additives has become a pivotal approach in agricultural practices. Hydrogels exhibit exceptional water absorption and fertilizer retention capabilities, making them extensively utilized in the fields of agriculture, forestry, and desert control. Currently, most reviews primarily focus on the raw materials, classification, synthesis methods, and application prospects of hydrogels, with limited attention given to strategies for enhancing water-retention performance, mechanisms underlying fertilizer absorption, and environmental risks. This review covers the commonly used cross-linking methods in hydrogel synthesis and the structure-activity relationship between hydrogels and water as well as fertilizer. Additionally, a thorough analysis of the ecological benefits and risks associated with hydrogels is presented. Finally, future prospects and challenges are delineated from the perspectives of material design and engineering applications.
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Affiliation(s)
- Jinxiang Wu
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
| | - Xin Sheng
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
| | - Li Li
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
| | - Jialiang Liang
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
| | - Yunyi Li
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
| | - Zhiwei Zhao
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
- School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, People's Republic of China
| | - Fuyi Cui
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, People's Republic of China
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5
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Lu K, Folkersma R, Voet VSD, Loos K. Effects of the Amylose/Amylopectin Ratio of Starch on Borax-Crosslinked Hydrogels. Polymers (Basel) 2024; 16:2237. [PMID: 39204457 PMCID: PMC11360700 DOI: 10.3390/polym16162237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 07/29/2024] [Accepted: 08/02/2024] [Indexed: 09/04/2024] Open
Abstract
Herein, we simultaneously prepared borax-crosslinked starch-based hydrogels with enhanced mechanical properties and self-healing ability via a simple one-pot method. The focus of this work is to study the effects of the amylose/amylopectin ratio of starch on the grafting reactions and the performance of the resulting borax-crosslinked hydrogels. An increase in the amylose/ amylopectin ratio increased the gel fraction and grafting ratio but decreased the swelling ratio and pore diameter. Compared with hydrogels prepared from low-amylose starches, hydrogels prepared from high-amylose starches showed pronouncedly increased network strength, and the maximum storage modulus increased by 8.54 times because unbranched amylose offered more hydroxyl groups to form dynamic borate ester bonds with borate ions and intermolecular hydrogen bonds, leading to an enhanced crosslink density. In addition, all the hydrogels exhibited a uniformly interconnected network structure. Furthermore, owing to the dynamic borate ester bonds and hydrogen bonds, the hydrogel exhibited excellent recovery behavior under continuous step strain, and it also showed thermal responsiveness.
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Affiliation(s)
- Kai Lu
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 3, 9747 AG Groningen, The Netherlands;
- Circular Plastics, Academy Technology & Innovation, NHL Stenden University of Applied Sciences, Van Schaikweg 94, 7811 KL Emmen, The Netherlands;
| | - Rudy Folkersma
- Circular Plastics, Academy Technology & Innovation, NHL Stenden University of Applied Sciences, Van Schaikweg 94, 7811 KL Emmen, The Netherlands;
| | - Vincent S. D. Voet
- Circular Plastics, Academy Technology & Innovation, NHL Stenden University of Applied Sciences, Van Schaikweg 94, 7811 KL Emmen, The Netherlands;
| | - Katja Loos
- Macromolecular Chemistry and New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 3, 9747 AG Groningen, The Netherlands;
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6
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Nordin N, Zairul Azman ZA, Adnan NA, Majid SR. On the dual crosslinking for functionality enhancement of poly (acrylamide-co-acrylic acid)/chitosan-aluminum (III) ions and its characterization and sensory hydrogel fibers. Int J Biol Macromol 2024; 274:133383. [PMID: 38914395 DOI: 10.1016/j.ijbiomac.2024.133383] [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: 03/23/2024] [Revised: 06/12/2024] [Accepted: 06/21/2024] [Indexed: 06/26/2024]
Abstract
In this report, we present a dual crosslinking hydrogel fiber made from polyamine saccharides chitosan (CS), synthesized through UV polymerization. This process utilizes Irgacure 2959 and N,N'-Methylenebisacrylamide (MBAA) as initiators, followed by immersion in an aluminum chloride (AlCl3) solution. The resulting hydrogel incorporates a dual crosslinking mechanism, quantitatively studied via Nuclear Magnetic Resonance (NMR) spectroscopy. This mechanism involves chemical crosslinking through radical graft polymerization of acrylamide and acrylic acid onto CS in the presence of MBAA, and physical crosslinking through hydrogen bonding interactions between P(AAm-co-AA) and a metal coordination bond. The mechanical properties of the hydrogel fiber enable it to withstand stresses up to 656 kPa and strains exceeding 300 %. Additionally, the hydrogel fiber exhibits conductivity at 1.96 Scm-1. Serving as a multifunctional material, it acts as a strain sensor and finds utility in optics. Remarkably, it demonstrates the capability to detect human motions such as finger bending and minor deformations like vibrations of the vocal cords. Furthermore, its ability to guide dynamic light makes it promising for optical applications. Consequently, this multifunctional hydrogel fiber emerges as a highly promising candidate for diverse applications in fields such as bioengineering and electronics.
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Affiliation(s)
- Nurdiana Nordin
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, MALAYSIA.
| | | | - Nuradwa Afrina Adnan
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, MALAYSIA
| | - S R Majid
- Department of Physics, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, MALAYSIA.
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7
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Ahmed MS, Islam M, Hasan MK, Nam KW. A Comprehensive Review of Radiation-Induced Hydrogels: Synthesis, Properties, and Multidimensional Applications. Gels 2024; 10:381. [PMID: 38920928 PMCID: PMC11203285 DOI: 10.3390/gels10060381] [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: 04/30/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/27/2024] Open
Abstract
At the forefront of advanced material technology, radiation-induced hydrogels present a promising avenue for innovation across various sectors, utilizing gamma radiation, electron beam radiation, and UV radiation. Through the unique synthesis process involving radiation exposure, these hydrogels exhibit exceptional properties that make them highly versatile and valuable for a multitude of applications. This paper focuses on the intricacies of the synthesis methods employed in creating these radiation-induced hydrogels, shedding light on their structural characteristics and functional benefits. In particular, the paper analyzes the diverse utility of these hydrogels in biomedicine and agriculture, showcasing their potential for applications such as targeted drug delivery, injury recovery, and even environmental engineering solutions. By analyzing current research trends and highlighting potential future directions, this review aims to underscore the transformative impact that radiation-induced hydrogels could have on various industries and the advancement of biomedical and agricultural practices.
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Affiliation(s)
- Md. Shahriar Ahmed
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea; (M.S.A.); (K.-W.N.)
| | - Mobinul Islam
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea; (M.S.A.); (K.-W.N.)
| | - Md. Kamrul Hasan
- Department of Advanced Battery Convergence Engineering, Dongguk University, Seoul 04620, Republic of Korea
| | - Kyung-Wan Nam
- Department of Energy and Materials Engineering, Dongguk University, Seoul 04620, Republic of Korea; (M.S.A.); (K.-W.N.)
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8
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Wang S, Li S, Rene ER, Lun X, Ma W. Design and preparation of reticular superabsorbent hydrogel material with nutrient slow-release and high shear strength for ecological remediation of abandoned mines with steep slopes. Int J Biol Macromol 2024; 270:132303. [PMID: 38744366 DOI: 10.1016/j.ijbiomac.2024.132303] [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: 01/05/2024] [Revised: 05/04/2024] [Accepted: 05/10/2024] [Indexed: 05/16/2024]
Abstract
In order to solve ecological remediation issues for abandoned mines with steep slopes, a kind of hydrogels with high cohesion and water-retaining were designed by inorganic mineral skeleton combining with polymeric organic network cavities. This eco-friendly hydrogel (MFA/HA-g-p(AA-co-AM)) was prepared with acrylic acid (AA)-acrylamide (AM) as network, which was grafted with humic acids (HA) as network binding point reinforcement skeleton and polar functional group donors, KOH-modified fly ash (MFA) as internal supporter. The maximum water absorption capacities were 1960 g/g for distilled water, which followed the pseudo-second-order model. This super water absorption was attributed to the first stage of 62 % fast absorption due to the high specific surface area, pore volume and low osmotic pressure, moreover, the multiple hydrophilic functional groups and network structure swell contributed to 36 % of the second stage slow adsorption. In addition, the pore filling of water in mesoporous channels contributed the additional 2 % water retention on the third stage. The high saline-alkali resistance correlated with the electrostatic attraction with MFA and multiple interactions with oxygen-containing functional groups in organic components. MFA and HA also enhanced the shear strength and fertility retention properties. After 5 cycles of natural dehydration and reabsorption process, these excellent characteristics of reusability and water absorption capacity kept above 97 %. The application of 0.6 wt% MFA/HA-g-p(AA-co-AM) at 15° slope could improve the growth of ryegrass by approximately 45 %. This study provides an efficient and economic superabsorbent material for ecological restoration of abandoned mines with steep slopes.
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Affiliation(s)
- Shuo Wang
- College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China
| | - Sinuo Li
- College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14850, USA
| | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, the Netherlands
| | - Xiaoxiu Lun
- College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China
| | - Weifang Ma
- College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China.
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9
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Zhang M, Zhu C. Dynamic Hydrogels against Infections: From Design to Applications. Gels 2024; 10:331. [PMID: 38786248 PMCID: PMC11120666 DOI: 10.3390/gels10050331] [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: 04/12/2024] [Revised: 05/10/2024] [Accepted: 05/11/2024] [Indexed: 05/25/2024] Open
Abstract
Human defense against infection remains a global topic. In addition to developing novel anti-infection drugs, therapeutic drug delivery strategies are also crucial to achieving a higher efficacy and lower toxicity of these drugs for treatment. The application of hydrogels has been proven to be an effective localized drug delivery approach to treating infections without generating significant systemic adverse effects. The recent emerging dynamic hydrogels further show power as injectable formulations, giving new tools for clinical treatments. In this review, we delve into the potential applications of dynamic hydrogels in antibacterial and antiviral treatments and elaborate on their molecular designs and practical implementations. By outlining the chemical designs underlying these hydrogels, we discuss how the choice of dynamic chemical bonds affects their stimulus responsiveness, self-healing capabilities, and mechanical properties. Afterwards, we focus on how to endow dynamic hydrogels with anti-infection properties. By comparing different drug-loading methods, we highlight the advantages of dynamic chemical bonds in achieving sustained and controlled drug release. Moreover, we also include the design principles and uses of hydrogels that possess inherent anti-infective properties. Furthermore, we explore the design principles and applications of hydrogels with inherent anti-infective properties. Finally, we briefly summarize the current challenges faced by dynamic hydrogels and present a forward-looking vision for their future development. Through this review, we expect to draw more attention to these therapeutic strategies among scientists working with chemistry, materials, as well as pharmaceutics.
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Affiliation(s)
| | - Chongyu Zhu
- College of Chemistry and Chemical Engineering, Donghua University, Shanghai 201620, China;
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10
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Hafezi Moghaddam R, Dadfarnia S, Shabani AMH, Shirmardi SP. Design and manufacture of new hybrid hydrogel and superabsorbent polymer for controlled release of fulvic acid based on grafted xanthan gum/gelatin using electron irradiation and its use in fodder corn cultivation. Int J Biol Macromol 2024; 266:131360. [PMID: 38580017 DOI: 10.1016/j.ijbiomac.2024.131360] [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: 09/10/2023] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
A humic acid-gelatin (HA-Gel) hydrogel, a gallic acid-xanthan gum (GA-XG) hydrogel, a HA-Gel/GA-XG hydrogel, and superabsorbent polymer (SAP) of HA-Gel/GA-XG/polyacrylamide (PAM) hydrogel were synthesized using electron beam irradiation method. The capability of synthesized hydrogels in loading and controlled release of fulvic acid (FA) was studied. The chemical and physical structure of sorbents was confirmed by various analyses. The effect of irradiation dose on mechanical properties, gel percentage, swelling, and absorbency under load (AUL) of the sorbents was investigated. By changing the hydrogel structures into the SAP form, its swelling capacity was increased from 37 to 320 g/g. Both hybrid hydrogel and SAP were reusable for up to 7 cycles. The maximum fertilizer loading capacities for SAP and hybrid hydrogel were 402.1 and, 175.5 mg g-1, respectively. In comparison to hydrogels, the SAP showed a slower FA-release performance. Thus, in soil media, 86 % of FA was released in 15-20 days from the hybrid hydrogel while with the SAP, 81 % of FA was released in 30-35 days. The significant improvement in the growth of fodder corn treated with FA-loaded SAP in the greenhouse media in comparison to the control groups showed the effective performance of the designed SAP, favoring its practical applications.
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Affiliation(s)
- Reza Hafezi Moghaddam
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran; Central Iran Research Complex, Iran Radiation Application Development Company, Atomic Energy Organization of Iran, Tehran, Iran
| | | | | | - Seyed Pezhman Shirmardi
- Central Iran Research Complex, Iran Radiation Application Development Company, Atomic Energy Organization of Iran, Tehran, Iran
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11
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Salehi B, Zhang B, Nowlin K, Wang L, Shahbazi A. A multifunctional cellulose- and starch-based composite hydrogel with iron-modified biochar particles for enhancing microalgae growth. Carbohydr Polym 2024; 327:121657. [PMID: 38171678 DOI: 10.1016/j.carbpol.2023.121657] [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: 07/25/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024]
Abstract
A multifunctional polysaccharide-based hydrogel was studied as an additive for enhancing microalgae growth. The hydrogel was fabricated by physically and chemically crosslinking renewable ingredients of carboxymethyl cellulose (CMC), arrowroot starch, and activated biochar modified with iron using a bio-crosslinker of oxidized sucrose and a plasticizer of glycerol. The optimum formula for the hydrogel with a high swelling ratio, BET surface area, and electrical conductivity was found to include 1 g starch, 3 g CMC, 1.5 g biochar, 15 mL oxidized sucrose, and 1.5 mL glycerol in 200 mL deionized water. The algal yield and cell concentration after 14 days of growth in a Bold basal medium with an optimum concentration of 2.5 g hydrogel/L increased by 65.7 % and 92.2 %, respectively, compared to those of the control without the hydrogel. However, if the hydrogel concentration in the culture increased to 12.5 g/L, the algal yield was decreased by 67.8 % compared to the control due to oxidative injury. The hydrogel additive could significantly increase the nitrogen but decrease the carbon, hydrogen, and sulfur contents of the microalgae. The algal yield with 2.5 g/L hydrogel additive improved by 13.9 % compared to the algal yield with the same amounts of individual non-crosslinked hydrogel ingredients.
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Affiliation(s)
- Bahare Salehi
- Joint School of Nanoscience and Nanoengineering, North Carolina Agricultural and Technical State University, Greensboro, NC, USA
| | - Bo Zhang
- Department of Natural Resources and Environmental Design, North Carolina Agricultural and Technical State University, Greensboro, NC, USA
| | - Kyle Nowlin
- Joint School of Nanoscience and Nanoengineering, North Carolina Agricultural and Technical State University, Greensboro, NC, USA
| | - Lijun Wang
- Department of Natural Resources and Environmental Design, North Carolina Agricultural and Technical State University, Greensboro, NC, USA; Department of Chemical, Biological, and Bioengineering, North Carolina Agricultural & Technical State University, Greensboro, NC, USA.
| | - Abolghasem Shahbazi
- Department of Natural Resources and Environmental Design, North Carolina Agricultural and Technical State University, Greensboro, NC, USA; Department of Chemical, Biological, and Bioengineering, North Carolina Agricultural & Technical State University, Greensboro, NC, USA
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12
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Niu C, Lin Z, Fu Q, Xu Y, Chen Y, Lu L. An eco-friendly versatile superabsorbent hydrogel based on sodium alginate and urea for soil improvement with a synchronous chemical loading strategy. Carbohydr Polym 2024; 327:121676. [PMID: 38171662 DOI: 10.1016/j.carbpol.2023.121676] [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: 07/20/2023] [Revised: 12/06/2023] [Accepted: 12/06/2023] [Indexed: 01/05/2024]
Abstract
In this paper, an eco-friendly versatile superabsorbent material was designed for soil improvement, and a synchronous chemical loading strategy was proposed. In this strategy, urea not only acted as fertilizer but also acted as a crosslinker to construct an alginate network. The microstructure, chemical structure, thermal stability and composition of the obtained SA/urea hydrogel were characterized in detail. Adsorption behavior and application performance in agriculture were evaluated. The results demonstrated that urea had two different conformations in the network. The SA/urea hydrogel had abundant pore structures with excellent water absorption performance. It could not only improve the water retention capacity of soil but also release nitrogen, phosphorus and potassium elements with degradation for as long as 9 weeks. Moreover, the hydrogel could promote plant growth, increase the nutritional composition of plants and inhibit the accumulation of harmful nitrate in plants. With advantages, including biodegradability, high water absorption, controllable degradation, excellent water retention, sustained NPK release and improved plant nutrition value, the SA/urea hydrogel has great potential for soil improvement in agriculture as an eco-friendly versatile water retention agent and can be expected to extend to more fields as a novel superabsorbent material.
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Affiliation(s)
- Chenxi Niu
- Special Glass Key Lab of Hainan Province (Hainan University) & State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Zhibo Lin
- Special Glass Key Lab of Hainan Province (Hainan University) & State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Qian Fu
- Special Glass Key Lab of Hainan Province (Hainan University) & State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Yutao Xu
- Special Glass Key Lab of Hainan Province (Hainan University) & State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Youhui Chen
- Special Glass Key Lab of Hainan Province (Hainan University) & State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China
| | - Lingbin Lu
- Special Glass Key Lab of Hainan Province (Hainan University) & State Key Laboratory of Marine Resource Utilization in South China Sea, School of Materials Science and Engineering, Hainan University, Haikou 570228, China.
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13
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Hu G, Lan X, Peng B, Liao J, Xiong Y. Water resistant, biodegradable and flexible corn starch/carboxymethyl cellulose composite film for slow-release fertilizer coating materials. Int J Biol Macromol 2024; 260:129476. [PMID: 38232878 DOI: 10.1016/j.ijbiomac.2024.129476] [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: 06/29/2023] [Revised: 01/06/2024] [Accepted: 01/11/2024] [Indexed: 01/19/2024]
Abstract
The inherent limitations of Cornstarch (CS) and Carboxymethyl Cellulose (CMC) membranes, such as brittleness, fragility, and water solubility, limit their use in controlled-release fertilizers. This study reports on the synthesis of crosslinked CMC/CS-20-E composite membranes using the casting technique, with epichlorohydrin (ECH) as the crosslinking agent in an acidic environment to crosslink CS and CMC. The synthesized composite film demonstrates remarkable water resistance, as evidenced by the insignificant alteration in its morphology and structure post 72 h of water immersion. Its flexibility is reflected in its capacity to endure knotting and bending, with an elongation at break reaching 78.1 %. Moreover, the degradation rate surpasses 90 % within a span of seven days. The CMC/CS-20-E-x-urea controlled-release fertilizer was subsequently produced using a layer-by-layer self-assembly technique, where urea particles were incorporated into the crosslinked composite solution. This CMC/CS-20-E-x-urea controlled-release fertilizer displayed superior controlled-release performance over a duration of seven days when juxtaposed with pure urea. In particular, the CMC/CS-20-E-3 %-urea controlled-release fertilizer showed a cumulative release rate of 84 % by the seventh day. The controlled-release fertilizers developed in this study offer a promising strategy for creating eco-friendly options that are crucial for fertilizing crops with short growth cycles.
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Affiliation(s)
- Guirong Hu
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China
| | - Xianyu Lan
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China
| | - Baolin Peng
- Guiyang Kai Phosphorus Fertilizer Co., Guiyang 551109, China
| | - Jixing Liao
- Guiyang Kai Phosphorus Fertilizer Co., Guiyang 551109, China
| | - Yuzhu Xiong
- Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China.
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14
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Fu Y, Wei Q, Shen Z, Cheng L, Chow CWK. A comprehensive assessment of superabsorbent resin produced using modified quinoa husk and coal fly ash - Preparation, characterization and application. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168962. [PMID: 38049002 DOI: 10.1016/j.scitotenv.2023.168962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/30/2023] [Accepted: 11/26/2023] [Indexed: 12/06/2023]
Abstract
About 200 million tons of coal fly ash (CFA) is not effectively used in China every year. To enhance the utilization of biomass waste quinoa husk (QH) and solid waste CFA and reduce the preparation cost of superabsorbent resin (SAR), a low-cost, biodegradable modified quinoa husk-g-poly (acrylic acid)/coal fly ash superabsorbent resin (MQH-g-PAA/CFA SAR) was synthesized using modified quinoa husk (MQH), acrylic acid and CFA and used to improve the drought resistance and fertilizer conservation ability of soil. The surface morphology and performance of SAR were characterized by Fourier transform infrared (FTIR) spectrometry, scanning electron microscopy (SEM), and thermogravimetric analysis (TGA), which provided evidence for improving the properties of SAR by grafting MQH and adding CFA. In addition, the synthesis conditions were studied and optimized, together with the contents of initiator, crosslinker, MQH, and CFA to acrylic acid as well as the neutralization degree of acrylic acid. After optimization, the optimum water absorbency of SAR in deionized water, tap water, and physiological saline was 1302, 356, and 91 g/g respectively. The swelling and water-retention mechanisms of SARs were analyzed by a dynamic model and the results were in good agreement with the experimental data. In the soil experiment, the addition of SAR improved the drought resistance ability of soil, and reduced the leaching loss of fertilizer in the soil (from 49.5 % to 36.7 %). Therefore, this material exhibits significant potential in the field of agriculture and offers a novel approach with economic benefit for the utilization of MQH and CFA.
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Affiliation(s)
- Yanfei Fu
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China
| | - Qunshan Wei
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Donghua University, Shanghai 201620, China.
| | - Zhemin Shen
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Luwei Cheng
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Christopher W K Chow
- Sustainable Infrastructure and Resource Management (SIRM), UniSA STEM, University of South Australia, Mawson Lakes, SA 5095, Australia
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15
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Liu Y, Duan F, Zhu Y, Wang X, Zong L, Wang A. Porous superabsorbent composites prepared from aqueous foam template and application evaluation. SOFT MATTER 2024; 20:1438-1446. [PMID: 38258320 DOI: 10.1039/d3sm01455j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Rapid water absorption is very important for the application of superabsorbent polymers under dry or semi-dry conditions, but there are currently few relevant studies. In this context, a novel porous superabsorbent of chitosan-grafted acrylic copolymer-2-acrylamido-2-methylpropanesulfonic acid/sapindus mukorossi pericarp/calcined oil shale semi-coke (CS-g-P(AA-co-AMPS)/SMP/COSSC) was prepared by a green and convenient foam template method, which was triggered by redox polymerization. The rich pore structure of the porous superabsorbent was conducive to accelerating the water absorption rate. It only took 15 min to reach a swelling capacity of 650 g g-1 in distilled water. Soil experiments show that even with the addition of 0.5 wt% porous superabsorbent, the soil water retention time can be extended to 7 days. Finally, it was applied to the growth of cabbage seeds and it was found that the growth was significantly improved. Based on these excellent properties, we expect to provide a valuable reference for the preparation of fast-absorbing materials through the green water-based foam template method, contributing to sustainable agriculture.
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Affiliation(s)
- Yan Liu
- Key Laboratory of Clay Minerals of Gansu Province, Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Northwest Normal University, Lanzhou 730070, China
| | - Fangzhi Duan
- Key Laboratory of Clay Minerals of Gansu Province, Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
| | - Yongfeng Zhu
- Key Laboratory of Clay Minerals of Gansu Province, Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
| | - Xicun Wang
- College of Chemistry and Chemical Engineering, Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials, Northwest Normal University, Lanzhou 730070, China
| | - Li Zong
- Key Laboratory of Clay Minerals of Gansu Province, Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
| | - Aiqin Wang
- Key Laboratory of Clay Minerals of Gansu Province, Center of Eco-material and Green Chemistry, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China.
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16
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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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17
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Lin X, Jin Z, Jiang S, Wang Z, Wu S, Bei K, Zhao M, Zheng X. Fertilizer recovery from source-separated urine by evaporation with a combined process of dehumidification and the addition of absorbent resin supplement. WATER RESEARCH 2024; 248:120865. [PMID: 38000227 DOI: 10.1016/j.watres.2023.120865] [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: 02/08/2023] [Revised: 11/04/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023]
Abstract
Urine is an ideal resource for producing fertilizer, and processes of volume reduction are promising ways to recover nutrients from urine. Because urea is rapidly hydrolyzed in fresh urine, the stabilization of urine is usually necessary to avoid nitrogen loss during evaporation for fertilizer production. In this work, we investigated a new method about rapid evaporation for non-pretreated urine by dehumidification and addition of absorbent resin supplement (ARS). We obtained the optimum operating parameters, they were: 40 °C of temperature, 40 % of humidity, 460 cm2/ (L urine) of area, and 16.7 g ARS/(L urine). ARS absorbed the urine completely and quickly, and the moisture in the system was collected by the dehumidifier to keep the constant dry treatment area. Formation of a high salt content in the treatment area further inhibited the hydrolysis of urea, and finally, urea crystals were harvested. This study achieved a high water evaporation efficiency of 95 % and a high recovery fraction (92.2 % of nitrogen and 100 % of phosphorus) at a low temperature of 40 °C. The crystals included CO(NH)2 and NH4Cl, which are ideal fertilizers for vegetation. The results of this study demonstrated that dehumidification combined with addition of ARS for source-separated urine dehydration is a cost-effective and green technology for urine nutrition recovery.
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Affiliation(s)
- Xiaojing Lin
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China
| | - Zhan Jin
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China
| | - Shunfeng Jiang
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China
| | - Zhiquan Wang
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China
| | - Suqing Wu
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China
| | - Ke Bei
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China; JSPS International Research Fellow, RIKEN Center for Sustainable Resource Science, 1-7-22, Tsurumi-ku, Yokohama, 230-0045, Japan.
| | - Min Zhao
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China
| | - Xiangyong Zheng
- School of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, Zhejiang, China; Zhejiang Provincial Engineering Laboratory of Ecological Treatment Technology for Urban Water Pollution, Wenzhou, 325035, Zhejiang, China.
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18
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He C, Mou H, Hou W, Chen W, Ao T. Drought-resistant and water-retaining tobermorite/starch composite hydrogel for the remediation of cadmium-contaminated soil. Int J Biol Macromol 2024; 255:127534. [PMID: 37866565 DOI: 10.1016/j.ijbiomac.2023.127534] [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: 08/20/2023] [Revised: 10/13/2023] [Accepted: 10/16/2023] [Indexed: 10/24/2023]
Abstract
The objective of this work is utilizing fly ash to synthesize tobermorite (TOB) with a higher specific surface area and layered structure, and incorporating it into the starch/acrylic acid network to boost the drought resistance, water retention and heavy metal adsorption properties. The water absorption and water retention performance and cadmium adsorption characteristics of tobermorite/leftover rice-based composite hydrogel (TOB@LR-CH) were evaluated by water absorption swelling test, soil evaporation test and batch adsorption experiment. By adjusting the addition of TOB and other synthesized conditions, the swelling property (from 114.80 g/g to 322.64 g/g), water retention (71.80 %, 144 h) and Cd2+ adsorption characteristics (up to 591.36 mg/g) were significantly enhanced. Adding a moderate amount of TOB (2 wt%) provided the most uniform tobermorite dispersion during synthesis, and TOB2@LR-CH exhibited the most stable three-dimensional network and highest proportion of effective TOB. The adsorption behavior of cadmium on TOB2@LR-CH was more consistent with the pseudo-second-order kinetics and Langmuir isotherm models. Additionally, the regeneration test results displayed that the adsorption removal rate of cadmium by TOB2@LR-CH adsorbent remained stable after 5 cycles. This study demonstrates that TOB@LR-CH has good water absorption and water retention potential in arid and semi-arid soils, and also has potential application prospects in remediating Cd(II)-contaminated soil.
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Affiliation(s)
- Caiqing He
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Haiyan Mou
- Institute for Disaster Management and Reconstruction, Sichuan University-The Hong Kong Polytechnic University, Chengdu 610065, China.
| | - Wenjing Hou
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Wenqing Chen
- College of Architecture and Environment, Sichuan University, Chengdu, 610065, China
| | - Tianqi Ao
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource and Hydropower, Sichuan University, Chengdu 610065, China
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19
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Zhang W, Sun XL, Yang Q, Guo Y, Cui Y, Xiang Y, Hu B, Wei J, Tu P. In situ forming of PEG-NH 2/dialdehyde starch Schiff-base hydrogels and their application in slow-release urea. Int J Biol Macromol 2024; 256:128355. [PMID: 37995790 DOI: 10.1016/j.ijbiomac.2023.128355] [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: 09/04/2023] [Revised: 11/14/2023] [Accepted: 11/20/2023] [Indexed: 11/25/2023]
Abstract
In this study, a biodegradable Schiff-base hydrogel urea, possessing substantial water retention and certain slow-release ability was designed and synthesized. Firstly, dialdehyde starch (DAS) and amine-terminated polyethylene glycol (PEG-(NH2)2) were synthesized using potato starch and polyethylene glycol. Then, a novel Schiff-base hydrogel (SH) was prepared through the in-situ reaction between the aldehyde group of DAS and the amino group of PEG-(NH2)2. Three SH based slow-release urea, designated as SHU1, SHU2, and SHU3 and distinguished by varying urea content, were obtained using SH as the substrate. Several characterizations and tests were conducted to determine the structure, thermal properties, morphology, swelling properties, sustainable use, water retention, and biodegradation properties of SH. Additionally, the slow-release behavior of SHU was studied. SEM results revealed that SH possessed a porous three-dimensional network structure, with a maximum water absorption capacity of 4440 % ± 6.23 %. Compared to pure urea, SHU exhibited better slow-release performance after 30 days of release in soil, with SHU1 having a residual nitrogen content of specifically 36.01 ± 0.57 % of the initial nitrogen content. A pot experiment with pakchoi substantiated the water retention and plant growth promotion properties of SHU. This study demonstrated a straightforward method for the preparation of starch-based Schiff-base hydrogels as fertilizer carriers.
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Affiliation(s)
- Wenli Zhang
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Xiang Liao Sun
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Qian Yang
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Yuanyuan Guo
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Yanjun Cui
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China.
| | - Yongsheng Xiang
- Lanzhou Petrochemical research center, Petrochemical Research Institute, Petrochina, Lanzhou 730060, China.
| | - Bing Hu
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Jia Wei
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
| | - Peng Tu
- Institute of Agricultural Resources Chemistry and Application, College of Science, Gansu Agricultural University, Lanzhou 730070, China
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20
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Yu C, Dou X, Meng L, Feng X, Gao C, Chen F, Tang X. Structure, rheological properties, and biocompatibility of Laponite® cross-linked starch/polyvinyl alcohol hydrogels. Int J Biol Macromol 2023; 253:127618. [PMID: 37879585 DOI: 10.1016/j.ijbiomac.2023.127618] [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: 06/13/2023] [Revised: 10/06/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Hydrogels, owing to their unique porous structures, hydrophilic properties, and biocompatibility, are being developed as scaffolds for bone grafts. However, the use of toxic initiators or cross-linking agents is a drawback. To overcome this, we developed Laponite®/cross-linked starch/polyvinyl alcohol (PVA) hydrogels prepared by one-step solution mixing. The structure, rheological properties, and biocompatibility of the hydrogels were investigated. Zeta potential, Fourier transform infrared, and X-ray diffraction analyses showed that hydrogen bonding and electrostatic interactions jointly maintained the structure of the cross-linked hydrogel systems. At a Laponite® concentration of 10 %, the hydrogel with a starch/PVA ratio of 2:2 exhibited a uniform porous structure, the highest storage modulus (G'), and the lowest degradation rate. At a starch/PVA ratio of 2:2, the G' increased; however, the degradation rate decreased with the increase in Laponite® content from 5 % to 20 %. These results indicate that the mechanical strength and degradation rate of the hydrogels could be adjusted by altering the starch/PVA ratio and the amount of Laponite®. In vitro cytotoxicity experiments showed that the Laponite®/starch/PVA (LSP) hydrogels were non-toxic to MC3T3-E1 cells. The starch/PVA ratio had no obvious effect on the proliferation of MC3T3-E1 cells, but an increase in Laponite® content significantly promoted cell proliferation. In summary, the results suggest that these LSP hydrogels have great potential for applications in bone tissue engineering.
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Affiliation(s)
- Chen Yu
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety/Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Xinlai Dou
- College of Food Science and Engineering, Harbin University of Commerce, Harbin 150076, China
| | - Linghan Meng
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety/Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Xiao Feng
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety/Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Chengcheng Gao
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety/Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China
| | - Fenglian Chen
- College of Food Science and Engineering, Harbin University of Commerce, Harbin 150076, China
| | - Xiaozhi Tang
- College of Food Science and Engineering/Collaborative Innovation Center for Modern Grain Circulation and Safety/Key Laboratory of Grains and Oils Quality Control and Processing, Nanjing University of Finance and Economics, Nanjing 210023, China.
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21
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Salimi M, Channab BE, El Idrissi A, Zahouily M, Motamedi E. A comprehensive review on starch: Structure, modification, and applications in slow/controlled-release fertilizers in agriculture. Carbohydr Polym 2023; 322:121326. [PMID: 37839830 DOI: 10.1016/j.carbpol.2023.121326] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 08/20/2023] [Accepted: 08/21/2023] [Indexed: 10/17/2023]
Abstract
This comprehensive review thoroughly examines starch's structure, modifications, and applications in slow/controlled-release fertilizers (SRFs) for agricultural purposes. The review begins by exploring starch's unique structure and properties, providing insights into its molecular arrangement and physicochemical characteristics. Various methods of modifying starch, including physical, chemical, and enzymatic techniques, are discussed, highlighting their ability to impart desirable properties such as controlled release and improved stability. The review then focuses on the applications of starch in the development of SRFs. It emphasizes the role of starch-based hydrogels as effective nutrient carriers, enabling their sustained release to plants over extended periods. Additionally, incorporating starch-based hydrogel nano-composites are explored, highlighting their potential in optimizing nutrient release profiles and promoting plant growth. Furthermore, the review highlights the benefits of starch-based fertilizers in enhancing plant growth and crop yield while minimizing nutrient losses. It presents case studies and field trials demonstrating starch-based formulations' efficacy in promoting sustainable agricultural practices. Overall, this review consolidates current knowledge on starch, its modifications, and its applications in SRFs, providing valuable insights into the potential of starch-based formulations to improve nutrient management, boost crop productivity, and support sustainable agriculture.
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Affiliation(s)
- Mehri Salimi
- Soil Science Department, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran
| | - Badr-Eddine Channab
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II University, Casablanca, B.P. 146, Morocco
| | - Ayoub El Idrissi
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II University, Casablanca, B.P. 146, Morocco
| | - Mohamed Zahouily
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II University, Casablanca, B.P. 146, Morocco; Natural Resources Valorization Center, Moroccan Foundation for Advanced Science, Innovation and Research, Rabat, Morocco; Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Elaheh Motamedi
- Department of Nanotechnology, Agricultural Biotechnology Research Institute of Iran (ABRII), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
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22
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Panova GG, Krasnopeeva EL, Laishevkina SG, Kuleshova TE, Udalova OR, Khomyakov YV, Mirskaya GV, Vertebny VE, Zhuravleva AS, Shevchenko NN, Yakimansky AV. Polymer Gel Substrate: Synthesis and Application in the Intensive Light Artificial Culture of Agricultural Plants. Gels 2023; 9:937. [PMID: 38131923 PMCID: PMC10743194 DOI: 10.3390/gels9120937] [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: 10/29/2023] [Revised: 11/20/2023] [Accepted: 11/27/2023] [Indexed: 12/23/2023] Open
Abstract
This work is devoted to the description of the synthesis of hydrogels in the process of cryotropic gel formation based on copolymerization of synthesized potassium 3-sulfopropyl methacrylate and 2-hydroxyethyl methacrylate (SPMA-co-HEMA) and assessing the potential possibility of their use as substrates for growing plants in intensive light culture in a greenhouse. Gel substrates based on the SPMA-co-HEMA were created in two compositions, differing from each other in the presence of macro- and microelements, and their effects were studied on the plants' physiological state (content of chlorophylls a and b, activity of catalase and peroxidase enzymes, intensity of lipid peroxidation, elemental compositions) at the vegetative period of their development and on the plants' growth, productivity and quality of plant production at the final stages of development. Experiments were carried out under controlled microclimate conditions. Modern and standard generally accepted methods of gels were employed (ATR-FTIR and 13C NMR spectral studies, scanning electron microscopy, measurement of specific surface area and pore volume), as well as the methods of the physiological and chemical analysis of plants. The study demonstrated the swelling ability of the created gel substrates. Hydrogels' structure, their specific surface area, porosity, and pore volume were investigated. Using the example of representatives of leaf, fruit and root vegetable crops, the high biological activity of gel substrates was revealed throughout the vegetation period. Species specificity in the reaction of plants to the presence of gel substrates in the root-inhabited environment was revealed. Lettuce, tomato and cucumber plants were more responsive to the effect of the gel substrate, and radish plants were less responsive. At the same time, more pronounced positive changes in plant growth, quality and productivity were observed in cucumber and lettuce in the variant of gel substrates with macro- and microelements and in tomato plants in both variants of gel substrates. Further research into the mechanisms of the influence of gel substrates on plants, as well as the synthesis of new gel substrates with more pronounced properties to sorb and retain moisture is promising.
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Affiliation(s)
- Gayane G. Panova
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Elena L. Krasnopeeva
- Institute of Macromolecular Compounds, Russian Academy of Sciences (IMC RAS), 199004 Saint-Petersburg, Russia; (E.L.K.); (S.G.L.); (N.N.S.); (A.V.Y.)
| | - Svetlana G. Laishevkina
- Institute of Macromolecular Compounds, Russian Academy of Sciences (IMC RAS), 199004 Saint-Petersburg, Russia; (E.L.K.); (S.G.L.); (N.N.S.); (A.V.Y.)
| | - Tatiana E. Kuleshova
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Olga R. Udalova
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Yuriy V. Khomyakov
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Galina V. Mirskaya
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Vitaly E. Vertebny
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Anna S. Zhuravleva
- Agrophysical Research Institute (AFI), 195220 Saint-Petersburg, Russia; (T.E.K.); (O.R.U.); (Y.V.K.); (G.V.M.); (V.E.V.); (A.S.Z.)
| | - Natalia N. Shevchenko
- Institute of Macromolecular Compounds, Russian Academy of Sciences (IMC RAS), 199004 Saint-Petersburg, Russia; (E.L.K.); (S.G.L.); (N.N.S.); (A.V.Y.)
| | - Alexander V. Yakimansky
- Institute of Macromolecular Compounds, Russian Academy of Sciences (IMC RAS), 199004 Saint-Petersburg, Russia; (E.L.K.); (S.G.L.); (N.N.S.); (A.V.Y.)
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Zhang HM, Yang ML, Xi JZ, Yang GY, Wu QN. Mesenchymal stem cells-based drug delivery systems for diabetic foot ulcer: A review. World J Diabetes 2023; 14:1585-1602. [DOI: 10.4239/wjd.v14.i11.1585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 07/16/2023] [Accepted: 09/11/2023] [Indexed: 11/14/2023] Open
Abstract
The complication of diabetes, which is known as diabetic foot ulcer (DFU), is a significant concern due to its association with high rates of disability and mortality. It not only severely affects patients’ quality of life, but also imposes a substantial burden on the healthcare system. In spite of efforts made in clinical practice, treating DFU remains a challenging task. While mesenchymal stem cell (MSC) therapy has been extensively studied in treating DFU, the current efficacy of DFU healing using this method is still inadequate. However, in recent years, several MSCs-based drug delivery systems have emerged, which have shown to increase the efficacy of MSC therapy, especially in treating DFU. This review summarized the application of diverse MSCs-based drug delivery systems in treating DFU and suggested potential prospects for the future research.
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Affiliation(s)
- Hong-Min Zhang
- Department of Endocrinology, People’s Hospital of Chongqing Liangjiang New Area, Chongqing 400030, China
| | - Meng-Liu Yang
- Department of Endocrinology, The Second Affiliated Hospital of The Chongqing Medical University, Chongqing 400030, China
| | - Jia-Zhuang Xi
- Department of Endocrinology, Dazu Hospital of Chongqing Medical University, The People’s Hospital of Dazu, Chongqing 406230, China
| | - Gang-Yi Yang
- Department of Endocrinology, The Second Affiliated Hospital of The Chongqing Medical University, Chongqing 400030, China
| | - Qi-Nan Wu
- Department of Endocrinology, Dazu Hospital of Chongqing Medical University, The People’s Hospital of Dazu, Chongqing 406230, China
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Li Z, Zhang M. Progress in the Preparation of Stimulus-Responsive Cellulose Hydrogels and Their Application in Slow-Release Fertilizers. Polymers (Basel) 2023; 15:3643. [PMID: 37688270 PMCID: PMC10490241 DOI: 10.3390/polym15173643] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Agriculture is facing challenges such as water scarcity, low fertilizer utilization, food security and environmental sustainability. Therefore, the development of slow-release fertilizer (SRF) with controlled water retention and release is particularly important. Slow-release fertilizer hydrogel (SRFH) has a three-dimensional (3D) network structure combined with fertilizer processing, displaying excellent hydrophilicity, biocompatibility and controllability. Cellulose has abundant hydroxyl groups as well as outstanding biodegradability and special mechanical properties, which make it a potential candidate material for the fabrication of hydrogels. This work would analyze and discuss various methods for preparing stimulus-responsive cellulose hydrogels and their combinations with different fertilizers. Moreover, the application and release mechanism of stimulus-responsive cellulose hydrogels in SRF have been summarized as well. Finally, we would explore the potential issues of stimulus-responsive cellulose hydrogels serving as an SRF, propose reasonable solutions and give an outlook of the future research directions.
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Affiliation(s)
- Zhenghui Li
- School of Material Science and Engineering, Beihua University, Jilin City 132013, China;
| | - Ming Zhang
- School of Material Science and Engineering, Beihua University, Jilin City 132013, China;
- Key Laboratory of Wooden Materials Science and Engineering of Jilin Province, Beihua University, Jilin City 132013, China
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Huang J, Gotoh T, Nakai S, Ueda A. A Novel Composite Hydrogel Material for Sodium Removal and Potassium Provision. Polymers (Basel) 2023; 15:3568. [PMID: 37688194 PMCID: PMC10489917 DOI: 10.3390/polym15173568] [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: 07/31/2023] [Revised: 08/23/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Sodium ions are commonly found in natural water sources, and their high concentrations can potentially lead to adverse effects on both the water sources and soil quality. In this study, we successfully synthesized potassium polyacrylate (KMAA) hydrogel through free radical polymerization and evaluated its capability to remove sodium ions from and supply potassium ions to aqueous solutions. To assess its performance, inductively coupled plasma emission spectroscopy (ICP) was employed to analyze the sodium ion removal capacity and potassium ion exchange capability of the KMAA hydrogel at various initial sodium ion concentrations and pH values. The results demonstrated that the KMAA hydrogel exhibited remarkable efficiency in removing sodium ions and providing potassium ions. At pH 7, the maximum adsorption capacity for sodium ions was measured at 70.7 mg·g-1. The Langmuir model, with a correlation coefficient of 0.98, was found to be more suitable for describing the adsorption process of sodium ions. Moreover, at pH 4, the maximum exchange capacity for potassium ions reached 243.7 mg·g-1. The Freundlich model, with a correlation coefficient of 0.99, was deemed more appropriate for characterizing the ion exchange behavior of potassium ions. In conclusion, the successfully synthesized KMAA hydrogel demonstrates superior performance in removing sodium ions and supplying potassium ions, providing valuable insights for addressing high sodium ion concentrations in water sources and facilitating potassium fertilizer supply.
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Affiliation(s)
- Jin Huang
- Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Hiroshima, Japan; (J.H.); (S.N.)
| | - Takehiko Gotoh
- Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Hiroshima, Japan; (J.H.); (S.N.)
| | - Satoshi Nakai
- Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Hiroshima, Japan; (J.H.); (S.N.)
| | - Akihiro Ueda
- Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Hiroshima, Japan;
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Iliasov L, Shibaev A, Panova I, Kushchev P, Philippova O, Yaroslavov A. Weakly Cross-Linked Anionic Copolymers: Kinetics of Swelling and Water-Retaining Properties of Hydrogels. Polymers (Basel) 2023; 15:3244. [PMID: 37571139 PMCID: PMC10421479 DOI: 10.3390/polym15153244] [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: 06/21/2023] [Revised: 07/18/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
Six cross-linked copolymers consisting of sodium acrylate, N-acrylamide, starch fragments and a cross-linker were synthesized, potentially suitable for use in agriculture as superabsorbents. The copolymers had the same content of carboxyl groups equal to 6.2 mmoles per 1 g of copolymer and the content of cross-linker (Q) varied from 0.04 up to 1 wt.%. The copolymers swelled in a pH 6.5 aqueous buffer solution thus giving hydrogel particles, which were characterized by a set of methods including gravimetry, rheometry, swelling pressure analysis, equilibrium centrifugation and water retention analysis with the following main conclusions. An increase in Q decreases the equilibrium degree of swelling. When swelling in a solid substrate, sand or soil, the equilibrium degree of swelling shows the maximum at Q = 0.14 wt.%. The cross-linking degree controls the swelling pressure of hydrogels and water-retaining properties of solid substrates with embedded hydrogels; in both cases, the maximum effects are observed at Q = 0.14 wt.%. These extreme dependences set the algorithm for synthesis of polymeric superabsorbents and optimization of their operational characteristics.
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Affiliation(s)
- Leonid Iliasov
- Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (I.P.); (A.Y.)
| | - Andrey Shibaev
- Department of Physics, M.V. Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (A.S.); (O.P.)
- Department of Chemistry, Karaganda E.A. Buketov University, University Street 28, 100028 Karaganda, Kazakhstan
| | - Irina Panova
- Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (I.P.); (A.Y.)
| | - Petr Kushchev
- Department of Chemistry, Voronezh State University, Universitetskaya Sq. 1, 394018 Voronezh, Russia;
| | - Olga Philippova
- Department of Physics, M.V. Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (A.S.); (O.P.)
| | - Alexander Yaroslavov
- Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie Gory 1, 119991 Moscow, Russia; (I.P.); (A.Y.)
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Berradi A, Aziz F, Achaby ME, Ouazzani N, Mandi L. A Comprehensive Review of Polysaccharide-Based Hydrogels as Promising Biomaterials. Polymers (Basel) 2023; 15:2908. [PMID: 37447553 DOI: 10.3390/polym15132908] [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: 05/20/2023] [Revised: 06/20/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Polysaccharides have emerged as a promising material for hydrogel preparation due to their biocompatibility, biodegradability, and low cost. This review focuses on polysaccharide-based hydrogels' synthesis, characterization, and applications. The various synthetic methods used to prepare polysaccharide-based hydrogels are discussed. The characterization techniques are also highlighted to evaluate the physical and chemical properties of polysaccharide-based hydrogels. Finally, the applications of SAPs in various fields are discussed, along with their potential benefits and limitations. Due to environmental concerns, this review shows a growing interest in developing bio-sourced hydrogels made from natural materials such as polysaccharides. SAPs have many beneficial properties, including good mechanical and morphological properties, thermal stability, biocompatibility, biodegradability, non-toxicity, abundance, economic viability, and good swelling ability. However, some challenges remain to be overcome, such as limiting the formulation complexity of some SAPs and establishing a general protocol for calculating their water absorption and retention capacity. Furthermore, the development of SAPs requires a multidisciplinary approach and research should focus on improving their synthesis, modification, and characterization as well as exploring their potential applications. Biocompatibility, biodegradation, and the regulatory approval pathway of SAPs should be carefully evaluated to ensure their safety and efficacy.
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Affiliation(s)
- Achraf Berradi
- National Center for Research and Studies on Water and Energy (CNEREE), Cadi Ayyad University, P.O. Box 511, Marrakech 40000, Morocco
- Laboratory of Water, Biodiversity and Climate Change, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech 40000, Morocco
| | - Faissal Aziz
- National Center for Research and Studies on Water and Energy (CNEREE), Cadi Ayyad University, P.O. Box 511, Marrakech 40000, Morocco
- Laboratory of Water, Biodiversity and Climate Change, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech 40000, Morocco
| | - Mounir El Achaby
- Materials Science and Nano-Engineering (MSN) Department, Mohammed VI Polytechnic University (UM6P), Lot 660-Hay Moulay Rachid, Benguerir 43150, Morocco
| | - Naaila Ouazzani
- National Center for Research and Studies on Water and Energy (CNEREE), Cadi Ayyad University, P.O. Box 511, Marrakech 40000, Morocco
- Laboratory of Water, Biodiversity and Climate Change, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech 40000, Morocco
| | - Laila Mandi
- National Center for Research and Studies on Water and Energy (CNEREE), Cadi Ayyad University, P.O. Box 511, Marrakech 40000, Morocco
- Laboratory of Water, Biodiversity and Climate Change, Faculty of Sciences Semlalia, Cadi Ayyad University, P.O. Box 2390, Marrakech 40000, Morocco
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28
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Serri C, Cruz-Maya I, Bonadies I, Rassu G, Giunchedi P, Gavini E, Guarino V. Green Routes for Bio-Fabrication in Biomedical and Pharmaceutical Applications. Pharmaceutics 2023; 15:1744. [PMID: 37376192 DOI: 10.3390/pharmaceutics15061744] [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: 04/28/2023] [Revised: 06/03/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
In the last decade, significant advances in nanotechnologies, rising from increasing knowledge and refining of technical practices in green chemistry and bioengineering, enabled the design of innovative devices suitable for different biomedical applications. In particular, novel bio-sustainable methodologies are developing to fabricate drug delivery systems able to sagely mix properties of materials (i.e., biocompatibility, biodegradability) and bioactive molecules (i.e., bioavailability, selectivity, chemical stability), as a function of the current demands for the health market. The present work aims to provide an overview of recent developments in the bio-fabrication methods for designing innovative green platforms, emphasizing the relevant impact on current and future biomedical and pharmaceutical applications.
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Affiliation(s)
- Carla Serri
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni 23/a, 07100 Sassari, Italy
| | - Iriczalli Cruz-Maya
- Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, Mostra d'Oltremare Pad. 20, V.le J.F. Kennedy 54, 80125 Naples, Italy
| | - Irene Bonadies
- Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, Mostra d'Oltremare Pad. 20, V.le J.F. Kennedy 54, 80125 Naples, Italy
| | - Giovanna Rassu
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni 23/a, 07100 Sassari, Italy
| | - Paolo Giunchedi
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni 23/a, 07100 Sassari, Italy
| | - Elisabetta Gavini
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Via Muroni 23/a, 07100 Sassari, Italy
| | - Vincenzo Guarino
- Institute of Polymers, Composites and Biomaterials, National Research Council of Italy, Mostra d'Oltremare Pad. 20, V.le J.F. Kennedy 54, 80125 Naples, Italy
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29
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Jaramillo-Quiceno N, Rueda-Mira S, Marín JFS, Álvarez-López C. Development of a novel silk sericin-based hydrogel film by mixture design. JOURNAL OF POLYMER RESEARCH 2023. [DOI: 10.1007/s10965-023-03484-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
AbstractSericin has been used in functional and potentially biodegradable materials for cosmetics, biomedical, agricultural, and food applications. It is a natural polymer with applications in absorbent materials, such as hydrogels, because of its hydrophilic character. However, sericin by itself is brittle, and in contact with water has low structural stability, being necessary its blending with other polymers or the application of crosslinking processes. In this work, hydrogel films were prepared from different mixtures containing sericin (SS), carboxymethylcellulose (CMC), and polyvinyl alcohol (PVA), using a simple and environmentally friendly method consisting of a gelling process followed by solvent casting. A mixture design was applied to assess the incidence of each component and its interaction with the output variables of interest. Two response variables were evaluated in each formulation: water absorption capacity (WA) and gel fraction (GF). It was also possible to model the output variables based on the proportions of the sample components. In addition, a set of formulations were used to produce hydrogels with high water absorption rates while maintaining their structural stability. The optimal hydrogel formulation (HF) was structurally and thermally characterized by FTIR and TGA, respectively. Hydrogel morphology was also studied by scanning electron microscopy (SEM). The results of this study constitute an important contribution to the design of novel processing routes to extend the use of silk sericin in the development of new materials.
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Jurtík M, Gřešková B, Prucková Z, Rouchal M, Dastychová L, Vítková L, Valášková K, Achbergerová E, Vícha R. Assembling a supramolecular 3D network with tuneable mechanical properties using adamantylated cross-linking agents and β-cyclodextrin-modified hyaluronan. Carbohydr Polym 2023; 313:120872. [PMID: 37182963 DOI: 10.1016/j.carbpol.2023.120872] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/17/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023]
Abstract
Hydrogels based on the supramolecular host-guest concept can be prepared if at least one constituent is a polymer chain modified with supramolecular host or guest (or both) units. Low-molecular-weight multitopic counterparts can also be used, however, guest molecules in the role of cross-linking agents are seldom reported, although such an approach offers wide-ranging possibilities for tuning the system properties via easily achievable structural modifications. In this paper, a series of adamantane-based star-like guest molecules was used for cross-linking of two types of β-cyclodextrin-modified hyaluronan (CD-HA). The prepared 3D supramolecular networks were characterised using nuclear magnetic resonance, titration calorimetry and rheological measurements to confirm the formation of the host-guest complexes between adamantane moieties and β-cyclodextrin units, including their typical properties such as self-healing and dynamic nature. The results indicate that the nature of the cross-linker (amides versus esters) has a greater impact on mechanical properties than the length of the guest's arms. In addition, the results show that the length of the HA polymer chain is more important than the degree of modification with supramolecular units. In conclusion, it was proven that the modular concept employing low-molecular-weight cross-linking guests is valuable for the formulation of supramolecular networks, including hydrogels.
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Itzhakov R, Tworowski D, Sadot N, Sayas T, Fallik E, Kleiman M, Poverenov E. Nucleoside-Based Cross-Linkers for Hydrogels with Tunable Properties. ACS APPLIED MATERIALS & INTERFACES 2023; 15:7359-7370. [PMID: 36701767 DOI: 10.1021/acsami.2c19525] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Herein, we report bioderived cross-linkers to create biopolymer-based hydrogels with tunable properties. Nucleosides (inosine and uridine) and ribose (pentose sugar lucking the nitrogenous base) were partially oxidized to yield inosine dialdehyde (IdA), uridine dialdehyde (UdA), and ribose dialdehyde (RdA). The dialdehydes were further used as cross-linkers with polysaccharide chitosan to form hydrogels. Depending on the cross-linker type and concentration, the hydrogels showed tunable rheological, mechanical, and liquid holding properties allowing the preparation of injectable, soft, and moldable hydrogels. Computational modeling and molecular dynamics simulations shed light on hydrogel formation and revealed that, in addition to covalent bonding, noncovalent interactions (π-π stacking, cation-π, and H-bonding) also significantly contributed to the cross-linking process. To demonstrate various application possibilities, the prepared hydrogels were used as a growth platform for plant cells, as injectable inks for layer-by-layer 3D printing applications, and as moldable hydrogels for soft lithography to replicate the microstructure of the plant. These findings suggest that the obtained tunable biocompatible hydrogels have the potential to be good candidates for various biotechnological applications.
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Affiliation(s)
- Rafael Itzhakov
- Agro-Nanotechnology and Advanced Materials Research Center, Department of Food Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion7505101, Israel
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Biochemistry and Food Sciences, The Hebrew University of Jerusalem, Rehovot76100, Israel
| | - Dmitry Tworowski
- Department of Structural Biology, Weizmann Institute of Science, Rehovot76100, Israel
| | - Noy Sadot
- The Robert H. Smith Faculty of Agriculture, Food and Environment, Biochemistry and Food Sciences, The Hebrew University of Jerusalem, Rehovot76100, Israel
- Plant Sciences Institute, Department of Vegetables and Field Crops, Agricultural Research Organization, Volcani Institute, Rishon LeZion7505101, Israel
| | - Tali Sayas
- Plant Sciences Institute, Department of Vegetables and Field Crops, Agricultural Research Organization, Volcani Institute, Rishon LeZion7505101, Israel
| | - Elazar Fallik
- Agro-Nanotechnology and Advanced Materials Research Center, Department of Food Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion7505101, Israel
| | - Maya Kleiman
- Plant Sciences Institute, Department of Vegetables and Field Crops, Agricultural Research Organization, Volcani Institute, Rishon LeZion7505101, Israel
| | - Elena Poverenov
- Agro-Nanotechnology and Advanced Materials Research Center, Department of Food Sciences, Agricultural Research Organization, Volcani Institute, Rishon LeZion7505101, Israel
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32
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Ilgin P, Onder A, Kıvanç MR, Ozay H, Ozay O. Adsorption of methylene blue from aqueous solution using poly(2-acrylamido-2-methyl-1-propanesulfonic acid-co-2-hydroxyethyl methacrylate) hydrogel crosslinked by activated carbon. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2023. [DOI: 10.1080/10601325.2023.2165945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Pinar Ilgin
- Department of Chemistry and Chemical Processing Technologies, Lapseki Vocational School, Canakkale Onsekiz Mart University, Canakkale/Lapseki, Türkiye
| | - Alper Onder
- Laboratory of Inorganic Materials, Department of Chemistry, Faculty of Science, Canakkale Onsekiz Mart University, Canakkale, Türkiye
| | - Mehmet Rıza Kıvanç
- Vocational School of Health Services, Van Yüzüncü Yıl University, Van, Türkiye
| | - Hava Ozay
- Laboratory of Inorganic Materials, Department of Chemistry, Faculty of Science, Canakkale Onsekiz Mart University, Canakkale, Türkiye
| | - Ozgur Ozay
- Department of Bioengineering, Faculty of Engineering, Canakkale Onsekiz Mart University, Canakkale, Türkiye
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33
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A novel strategy to reinforce double network hydrogels with enhanced mechanical strength and swelling ratio by nano cement hydrates. POLYMER 2023. [DOI: 10.1016/j.polymer.2023.125725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Krasnopeeva EL, Panova GG, Yakimansky AV. Agricultural Applications of Superabsorbent Polymer Hydrogels. Int J Mol Sci 2022; 23:ijms232315134. [PMID: 36499461 PMCID: PMC9738811 DOI: 10.3390/ijms232315134] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 12/05/2022] Open
Abstract
This review presents data from the past five years on the use of polymeric superabsorbent hydrogels in agriculture as water and nutrient storage and retention materials, as well as additives that improve soil properties. The use of synthetic and natural polymeric hydrogels for these purposes is considered. Although natural polymers, such as various polysaccharides, have undoubted advantages related to their biocompatibility, biodegradability, and low cost, they are inferior to synthetic polymers in terms of water absorption and water retention properties. In this regard, the most promising are semi-synthetic polymeric superabsorbents based on natural polymers modified with additives or grafted chains of synthetic polymers, which can combine the advantages of natural and synthetic polymeric hydrogels without their disadvantages. Such semi-synthetic polymers are of great interest for agricultural applications, especially in dry regions, also because they can be used to create systems for the slow release of nutrients into the soil, which are necessary to increase crop yields using environmentally friendly technologies.
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Affiliation(s)
- Elena L. Krasnopeeva
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
| | - Gaiane G. Panova
- Agrophysical Research Institute, Russian Academy of Sciences, St. Petersburg 195220, Russia
| | - Alexander V. Yakimansky
- Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg 199004, Russia
- Correspondence:
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Zanon M, Montalvillo-Jiménez L, Bosch P, Cue-López R, Martínez-Campos E, Sangermano M, Chiappone A. Photocurable Thiol-yne Alginate Hydrogels for Regenerative Medicine Purposes. Polymers (Basel) 2022; 14:4709. [PMID: 36365703 PMCID: PMC9654832 DOI: 10.3390/polym14214709] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/18/2022] [Accepted: 10/27/2022] [Indexed: 04/03/2024] Open
Abstract
Every year millions of people worldwide undergo surgical interventions, with the occurrence of mild or severe post-treatment consequences meaning that rehabilitation plays a key role in modern medicine. Considering the cases of burns and plastic surgery, the pressing need for new materials that can be used for wound patches or body fillers and are able to sustain tissue regeneration and promote cell adhesion and proliferation is clear. The challenges facing next-generation implant materials also include the need for improved structural properties for cellular organization and morphogenic guidance together with optimal mechanical, rheological, and topographical behavior. Herein, we propose for the first time a sodium alginate hydrogel obtained by a thiol-yne reaction, easily synthesized using carbodiimide chemistry in a two-step reaction. The hydrogels were formed in all cases within a few minutes of light irradiation, showing good self-standing properties under solicitation. The mechanical, rheological, topographical, and swelling properties of the gels were also tested and reported. Lastly, no cytotoxicity was detected among the hydrogels. Soluble extracts in culture media allowed cell proliferation, and no differences between samples were detected in terms of metabolic activity and DNA content. These results suggest the potential use of these cytocompatible hydrogels in tissue engineering and regenerative medicine.
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Affiliation(s)
- Michael Zanon
- Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, C.so Duca Degli Abruzzi 24, 10129 Turin, Italy
- Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - Laura Montalvillo-Jiménez
- Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - Paula Bosch
- Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
| | - Raquel Cue-López
- Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
- Grupo de Síntesis Orgánica y Bioevaluación, Instituto Pluridisciplinar (UCM), Unidad Asociada al Instituto de Ciencia y Tecnología de Polímeros, Instituto de Química Médica (CSIC), Paseo de Juan XXIII 1, 28040 Madrid, Spain
| | - Enrique Martínez-Campos
- Departamento de Química Macromolecular Aplicada, Instituto de Ciencia y Tecnología de Polímeros, Consejo Superior de Investigaciones Científicas (CSIC), C/Juan de la Cierva 3, 28006 Madrid, Spain
- Grupo de Síntesis Orgánica y Bioevaluación, Instituto Pluridisciplinar (UCM), Unidad Asociada al Instituto de Ciencia y Tecnología de Polímeros, Instituto de Química Médica (CSIC), Paseo de Juan XXIII 1, 28040 Madrid, Spain
| | - Marco Sangermano
- Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, C.so Duca Degli Abruzzi 24, 10129 Turin, Italy
| | - Annalisa Chiappone
- Dipartimento di Scienze Chimiche e Geologiche, Università Degli Studi di Cagliari, Via Università 40, 09124 Cagliari, Italy
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Otálora A, Lerma TA, Palencia M. Novel one-pot synthesis of polymeric hydrogels based on isocyanate click chemistry: Structural and functional characterization. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03331-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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