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Cheng X, Yang J, Zhang C, Tang T, Zhao X, Ye Q. Carbon-14 labeled transformation of atrazine in soils: Comparison of superabsorbent hydrogel coating and technical material. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175584. [PMID: 39155004 DOI: 10.1016/j.scitotenv.2024.175584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Revised: 08/13/2024] [Accepted: 08/14/2024] [Indexed: 08/20/2024]
Abstract
Atrazine exhibits adverse effects on diverse organisms in both terrestrial and aquatic environments, even though it effectively targets specific organisms. This study employed superabsorbent hydrogels to coat 14C-atrazine coupled with a four-compartment model to determine the fate of this herbicide in three oxic soils over a 100-day incubation period. Mineralization of atrazine was limited in all soils, with rates remaining below 3.5 %. The encapsulation treatment reduced mineralization of atrazine in soil A and soil B. Bound residues ranged from 26.1 to 43.6 % at 100 d. The encapsulation treatment enhanced the degradation of atrazine and reduced the content of deethylatrazine in soil A, but significantly increased the content of deisopropylatrazine in soil A and hydroxyatrazine in soil C. Using the obtained data, we also constructed a four-compartment model to clarify the relationships among the parent compound, degradation products, bound residues, and mineralization. This model accurately fits the fate of atrazine in the present work. Additionally, the correlation study suggested that both soil parameters and superabsorbent hydrogels played significant roles in influencing atrazine transformation. These findings serve as a reference for evaluating the environmental impact of superabsorbent hydrogels in atrazine pollution reduction and offer a foundational model approach for a comprehensive understanding of organic pollutants.
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Affiliation(s)
- Xi Cheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China.
| | - Jingying Yang
- Radiolabeled DMPK & BA Laboratory, Pharmaron (Ningbo) Technology Development Co. Ltd., Ningbo 315336, PR China.
| | - Chunrong Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China
| | - Tao Tang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China.
| | - Xueping Zhao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China.
| | - Qingfu Ye
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou 310058, PR China.
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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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Yin P, Shi F, Luo M, Wu J, Zhao B, Zhang C, Shen Y, Chen Y. Preparation and Characterization of Responsive Cellulose-Based Gel Microspheres for Enhanced Oil Recovery. Gels 2024; 10:532. [PMID: 39195061 DOI: 10.3390/gels10080532] [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: 07/16/2024] [Revised: 08/06/2024] [Accepted: 08/08/2024] [Indexed: 08/29/2024] Open
Abstract
As an important means to enhance oil recovery, ternary composite flooding (ASP flooding for short) technology has achieved remarkable results in Daqing Oilfield. Alkalis, surfactants and polymers are mixed in specific proportions and injected into the reservoir to give full play to the synergistic effect of each component, which can effectively enhance the fluidity of crude oil and greatly improve the oil recovery. At present, the technology for further improving oil recovery after ternary composite flooding is not mature and belongs to the stage of technical exploration. The presence of alkaline substances significantly alters the reservoir's physical properties and causes considerable corrosion to the equipment used in its development. This is detrimental to both the environment and production. Therefore, it is necessary to develop green displacement control agents. In the reservoir environment post-ASP flooding, 2-(methylamino)ethyl methacrylate and glycidyl methacrylate were chosen as monomers to synthesize a polymer responsive to alkali, and then grafted with cellulose nanocrystals to form microspheres of alkali-resistant swelling hydrogel. Cellulose nanocrystals (CNCs) modified with functional groups and other materials were utilized to fabricate hydrogel microspheres. The product's structure was characterized and validated using Fourier transform infrared spectroscopy and X-ray diffraction. The infrared spectrum revealed characteristic absorption peaks of CNCs at 1165 cm-1, 1577 cm-1, 1746 cm-1, and 3342 cm-1. The diffraction spectrum corroborated the findings of the infrared analysis, indicating that the functional modification occurred on the CNC surface. After evaluating the swelling and erosion resistance of the hydrogel microspheres under various alkaline conditions, the optimal particle size for compatibility with the target reservoir was determined to be 6 μm. The potential of cellulose-based gel microspheres to enhance oil recovery was assessed through the evaluation of Zeta potential and laboratory physical simulations of oil displacement. The study revealed that the absolute value of the Zeta potential for gel microspheres exceeds 30 in an alkaline environment with pH values ranging from 7 to 14, exhibiting a phenomenon where stronger alkalinity correlates with a greater absolute value of Zeta potential. The dispersion stability spans from good to excellent. The laboratory oil displacement simulation experiment was conducted using a cellulose-based gel microsphere system following weak alkali ASP flooding within the pH value range from 7 to 10. The experimental interventions yielded recovery rates of 2.98%, 3.20%, 3.31%, and 3.38%, respectively. The study indicates that cellulose-based gel microspheres exhibit good adaptability in alkaline reservoirs. This research offers a theoretical foundation and experimental approaches to enhance oil recovery techniques post-ASP flooding.
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Affiliation(s)
- Peng Yin
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, China
- Daqing Oilfield Company Ltd Natural Gas Sub-Company, Daqing 163000, China
| | - Fang Shi
- Key Laboratory for EOR Technology (Ministry of Education), Northeast Petroleum University, Daqing 163318, China
| | - Mingjian Luo
- College of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, China
| | - Jingchun Wu
- Key Laboratory for EOR Technology (Ministry of Education), Northeast Petroleum University, Daqing 163318, China
| | - Bo Zhao
- Daqing Oil Field Co., Ltd., No. 6 Oil Production Plant, Daqing 163000, China
| | - Chunlong Zhang
- Daqing Yongzhu Petroleum Technology Development Co., Ltd., Daqing 163000, China
| | - Yi Shen
- Key Laboratory for EOR Technology (Ministry of Education), Northeast Petroleum University, Daqing 163318, China
| | - Yanbing Chen
- Shenyang Oil Production Plant of Liaohe Oilfield, Shenyang 110000, China
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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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Couch J, Marsee JD, Callaway WW, Ho T, Glorioso KE, Mercante M, Williams B, Coughran C, Weiland MH, Miller JM. Novel DNA-Binding Activity Exhibited by Poly(aspartic acid) Hydrolase-1 Inhibits Poly(aspartic acid) Hydrolase Activity. Biochemistry 2024; 63:1901-1912. [PMID: 38995238 DOI: 10.1021/acs.biochem.4c00127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Significant attention has been shifted toward the use and development of biodegradable polymeric materials to mitigate environmental accumulation and potential health impacts. One such material, poly(aspartic acid) (PAA), is a biodegradable alternative to superabsorbent poly(carboxylates), like poly(acrylate). Three enzymes are known to hydrolyze PAA: PahZ1KT-1 and PahZ2KT-1 from Sphingomonas sp. KT-1 and PahZ1KP-2 from Pedobacter sp. KP-2. We previously reported the X-ray crystal structure for PahZ1KT-1, which revealed a homodimer complex with a strongly cationic surface spanning one side of each monomer. Here, we report the first characterization of any polymer hydrolase binding to DNA, where modeling data predict binding of the polyanionic DNA near the cationic substrate binding surface. Our data reveal that PahZ1 homologues from Sphingomonas sp. KT-1 and Pedobacter sp. KP-2 bind ssDNA and dsDNA with nanomolar binding affinities. PahZ1KT-1 binds ssDNA and dsDNA with an apparent dissociation constant, KD,app = 81 ± 14 and 19 ± 1 nM, respectively, and these estimates are similar to the same behaviors exhibited by PahZ1KP-2. Gel permeation chromatography data reveal that dsDNA binding promotes inhibition of PahZ1-catalyzed PAA biodegradation for each homologue. We propose a working model wherein binding of PahZ1 to extracellular biofilm DNA aids in the localization of the hydrolase to the environment in which PAA would first be encountered, thereby providing a mechanism to degrade extracellular PAA and potentially harvest aspartic acid for nutritional uptake.
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Affiliation(s)
- Joshua Couch
- Middle Tennessee State University, Department of Chemistry, 1301 East Main Street, Murfreesboro, Tennessee 37132, United States
| | - Justin D Marsee
- Middle Tennessee State University, Department of Chemistry, 1301 East Main Street, Murfreesboro, Tennessee 37132, United States
| | - Waylan W Callaway
- Department of Chemistry and Biochemistry, Georgia Southern University, 11935 Abercorn Street, Savannah, Georgia 31419, United States
| | - Thi Ho
- Department of Chemistry and Biochemistry, Georgia Southern University, 11935 Abercorn Street, Savannah, Georgia 31419, United States
| | - Kathryn E Glorioso
- Department of Chemistry and Biochemistry, Georgia Southern University, 11935 Abercorn Street, Savannah, Georgia 31419, United States
| | - Michael Mercante
- Middle Tennessee State University, Department of Chemistry, 1301 East Main Street, Murfreesboro, Tennessee 37132, United States
| | - Britney Williams
- Middle Tennessee State University, Department of Chemistry, 1301 East Main Street, Murfreesboro, Tennessee 37132, United States
| | - Connor Coughran
- Middle Tennessee State University, Department of Chemistry, 1301 East Main Street, Murfreesboro, Tennessee 37132, United States
| | - Mitch H Weiland
- Department of Chemistry and Biochemistry, Georgia Southern University, 11935 Abercorn Street, Savannah, Georgia 31419, United States
| | - Justin M Miller
- Middle Tennessee State University, Department of Chemistry, 1301 East Main Street, Murfreesboro, Tennessee 37132, United States
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Mir TA, Ganie SA, Ali A, Assiri MA, Imtiyaz K, Rizvi MMA, Mazumdar N, Rather LJ. Gamma-Irradiated Gum Arabic Grafted with 2-Hydroxyethyl Methacrylate: A Novel Superabsorbent Polymer for Controlled Folic Acid Release. Macromol Rapid Commun 2024:e2400258. [PMID: 39018482 DOI: 10.1002/marc.202400258] [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: 04/20/2024] [Revised: 06/22/2024] [Indexed: 07/19/2024]
Abstract
This study explores the synthesis and characterization of superabsorbent hydrogels derived from chemically modified gum Arabic, designed for controlled folic acid release. The synthesis involves a two-step process: carboxymethylation followed by grafting with 2-hydroxyethyl methacrylate via gamma irradiation. The resulting hydrogels exhibit enhanced mechanical strength and controlled diffusivity, essential for nutrient delivery systems. Key factors such as copolymer composition and irradiation dose are investigated, affecting the synthesis process. Systematic studies of swelling behaviors reveal that the hydrogel achieves a maximum swelling of 888.1% at 40 °C. The hydrogels are loaded with folic acid, and in vitro, sustained release profiles are examined under various pH conditions. The maximum release of 83.3% is observed after 24 h at pH 7.0, following a Korsmeyer-Peppas release mechanism. Different characterization techniques, confirm the successful synthesis and unique properties of the superabsorbent hydrogels. Rheological behavior analysis, scanning electron microscopy, and biocompatibility assessments provide a comprehensive understanding of the hydrogel structures. Gamma irradiation ensures a homogeneous network structure, crucial for optimal swelling behavior and mechanical properties. This research highlights the potential of eco-friendly biopolymer hydrogels in precise drug delivery applications, leveraging the safety and process control benefits of gamma irradiation.
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Affiliation(s)
- Tariq Ahmad Mir
- Material (Polymer) Research laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi, 110025, India
| | - Showkat Ali Ganie
- State Key Laboratory of Resource Insects, Chongqing Engineering Research Centre for Biomaterial Fiber and Modern Textile, College of Sericulture, Textile and Biomass Science, Southwest University, Chongqing, 400715, P. R. China
| | - Akbar Ali
- Department of Chemistry, Kargil Campus, University of Ladakh, Kargil, 194103, India
| | - Mohammed A Assiri
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Khalid Imtiyaz
- Genome Biology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - M Moshahid Alam Rizvi
- Genome Biology Lab, Department of Biosciences, Jamia Millia Islamia, New Delhi, 110025, India
| | - Nasreen Mazumdar
- Material (Polymer) Research laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi, 110025, India
| | - Luqman Jameel Rather
- State Key Laboratory of Resource Insects, Chongqing Engineering Research Centre for Biomaterial Fiber and Modern Textile, College of Sericulture, Textile and Biomass Science, Southwest University, Chongqing, 400715, P. R. China
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7
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Mafune KK, Kasson MT, Winkler MKH. Building blocks toward sustainable biofertilizers: variation in arbuscular mycorrhizal spore germination when immobilized with diazotrophic bacteria in biodegradable hydrogel beads. J Appl Microbiol 2024; 135:lxae167. [PMID: 38960411 DOI: 10.1093/jambio/lxae167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 06/18/2024] [Accepted: 07/02/2024] [Indexed: 07/05/2024]
Abstract
AIM We investigated whether there was interspecies and intraspecies variation in spore germination of 12 strains of arbuscular mycorrhizal fungi when co-entrapped with the diazotrophic plant growth-promoting bacteria, Azospirillum brasilense Sp7 in alginate hydrogel beads. METHODS AND RESULTS Twelve Rhizophagus irregularis, Rhizophagus intraradices, and Funneliformis mosseae strains were separately combined with a live culture of Azospirillum brasilense Sp7. Each fungal-bacterial consortia was supplemented with sodium alginate to a 2% concentration (v/v) and cross-linked in calcium chloride (2% w/v) to form biodegradable hydrogel beads. One hundred beads from each combination (total of 1200) were fixed in solidified modified Strullu and Romand media. Beads were observed for successful spore germination and bacterial growth over 14 days. In all cases, successful growth of A. brasilense was observed. For arbuscular mycorrhizal fungi, interspecies variation in spore germination was observed, with R. intraradices having the highest germination rate (64.3%), followed by R. irregularis (45.5%) and F. mosseae (40.3%). However, a difference in intraspecies germination was only observed among strains of R. irregularis and F. mosseae. Despite having varying levels of germination, even the strains with the lowest potential were still able to establish with the plant host Brachypodium distachyon in a model system. CONCLUSIONS Arbuscular mycorrhizal spore germination varied across strains when co-entrapped with a diazotrophic plant growth-promoting bacteria. This demonstrates that hydrogel beads containing a mixed consortium hold potential as a sustainable biofertilizer and that compatibility tests remain an important building block when aiming to create a hydrogel biofertilizer that encases a diversity of bacteria and fungi. Moving forward, further studies should be conducted to test the efficacy of these hydrogel biofertilizers on different crops across varying climatic conditions in order to optimize their potential.
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Affiliation(s)
- Korena K Mafune
- Department of Civil and Environmental Engineering, University of Washington, Seattle, WA 98105, United States
| | - Matt T Kasson
- Division of Plant and Soil Sciences, West Virginia University, Morgantown, WV 26506, United States
| | - Mari-Karoliina H Winkler
- Department of Civil and Environmental Engineering, University of Washington, Seattle, WA 98105, United States
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8
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Kanagalakshmi M, Devi SG, Subasini S, Amalan AJ, Pius A. Experimental assessment of biostimulants on mung bean growth on a soilless culture system using superabsorbent pectin based hydrogel. Int J Biol Macromol 2024; 273:133058. [PMID: 38866278 DOI: 10.1016/j.ijbiomac.2024.133058] [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: 01/11/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/14/2024]
Abstract
Sustainable agriculture initiatives are needed to ensure the food security of the people all over the world. Soilless cultivation methods using hydrogels may give a revolutionary response as well as a more ecological and productive alternative to conventional farming. This study attempted extraction of pectin from the rind of albedo yellow passion fruit (Passiflora edulis var. flavicarpa Degener)and hydrogels from pectin and activated carbon was compared with pure pectin hydrogel; Pectin- Activated Carbon hydrogels (PAC) showed a microporous structure with excellent hydrophilicity and showed superior water holding capacity. Then the prepared hydrogels were examined with various instrumental techniques like FTIR, SEM, XRD, Raman, BET and rheological properties. In the BET analysis, PAC3 shows the highest surface area of 28.771 m2/g when compared to PAC0 at 15.063 m2/g. The germination experiments were performed using mung beans. This study provides an opportunity for the application of pectin hydrogels in agriculture field specifically for home garden or rooftop cultivation.
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Affiliation(s)
- M Kanagalakshmi
- Department of Chemistry, The Gandhigram Rural Institute - Deemed to be University, Gandhigram, Dindigul 624 302, Tamil Nadu, India
| | - S Gopika Devi
- Department of Chemistry, The Gandhigram Rural Institute - Deemed to be University, Gandhigram, Dindigul 624 302, Tamil Nadu, India
| | - S Subasini
- Department of Chemistry, The Gandhigram Rural Institute - Deemed to be University, Gandhigram, Dindigul 624 302, Tamil Nadu, India
| | - A Joel Amalan
- Department of Chemistry, The Gandhigram Rural Institute - Deemed to be University, Gandhigram, Dindigul 624 302, Tamil Nadu, India
| | - Anitha Pius
- Department of Chemistry, The Gandhigram Rural Institute - Deemed to be University, Gandhigram, Dindigul 624 302, Tamil Nadu, India.
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9
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Chamorro AF, Palencia M, Arrieta ÁA. Development of High-Efficiency Fertilizer by Hydrogels Obtained from Cassava Starch and Citric Acid for Slow Release of Ammonium and Potassium. Gels 2024; 10:434. [PMID: 39057457 PMCID: PMC11276522 DOI: 10.3390/gels10070434] [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: 05/24/2024] [Revised: 06/13/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Fertilizers with enhanced efficiency or high-efficiency fertilizers increase the nutrient availability, minimize losses, and reduce costs, thereby increasing crop yields and food production while mitigating environmental impacts. This research evaluates the synthesis of biodegradable hydrogels from cassava starch and citric acid for agrochemical applications. Hydrogels were synthesized using water as the solvent and applied for the controlled release of macronutrients (N and K). Four concentrations of nutrient-containing salts were tested (0.5 to 10.0% w/w). Materials were analyzed using ATR-FTIR spectroscopy and swelling studies. The presence of nutrients reduced both the crosslinking efficacy and the water absorption capacity, with the latter dropping from 183.4 ± 0.6% to 117.9 ± 3.7% and 157.4 ± 25.0% for hydrogels loaded with NH4Cl and KCl, respectively. The cumulative release of K and N from the hydrogel was monitored for 144 h and examined using kinetics models, revealing that the releases follow Fickian's diffusion and anomalous diffusion, respectively. Additionally, the material was formed using cassava with peel previously milled to reduce the production costs, and its potential for nutrient-controlled delivery was evaluated, with the finding that this hydrogel decreases the release rate of nitrogen. The results suggest that these biomaterials may have promising applications in the agrochemical industry in the making of high-efficiency fertilizers.
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Affiliation(s)
- Andrés F. Chamorro
- Research Group of Electrochemistry and Environment (GIEMA), Faculty of Basic Sciences, Universidad Santiago de Cali, Cali 760035, Colombia
| | - Manuel Palencia
- Research Group in Science with Technological Applications (GICAT), Department of Chemistry, Faculty of Natural and Exact Science, Universidad del Valle, Cali 760032, Colombia
| | - Álvaro A. Arrieta
- Department of Biology and Chemistry, Faculty of Education and Sciences, Universidad de Sucre, Sincelejo 700003, Colombia;
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10
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Bhuniya S, Demina TS, Akopova TA. Advances in Applications of Polysaccharides and Polysaccharide-Based Materials. Int J Mol Sci 2024; 25:6482. [PMID: 38928188 PMCID: PMC11203705 DOI: 10.3390/ijms25126482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024] Open
Abstract
Polysaccharides, complex carbohydrates composed of long chains of residues of sugar molecules, have garnered significant attention in recent years due to their diverse applications across various industries [...].
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Affiliation(s)
- Sankarprasad Bhuniya
- Centre for Interdisciplinary Sciences, JIS Institute of Advanced Studies and Research, JIS University, Kokata 700091, India;
| | - Tatiana S. Demina
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov First Moscow State Medical University, 8-2 Trubetskaya Str., Moscow 119991, Russia;
| | - Tatiana A. Akopova
- Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, 70 Profsoyuznaya St., Moscow 117393, Russia
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11
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Liu Q, Cui H, Yang W, Wang F, Liao H, Zhu Q, Qin S, Lu P. Soil conditioner improves soil properties, regulates microbial communities, and increases yield and quality of Uncaria rhynchophylla. Sci Rep 2024; 14:13398. [PMID: 38862626 PMCID: PMC11167052 DOI: 10.1038/s41598-024-64362-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/07/2024] [Indexed: 06/13/2024] Open
Abstract
Uncaria rhynchophylla is an important traditional herbal medicine in China, and the yield and quality of Uncaria rhynchophylla can be improved by suitable soil conditioners because of changing the soil properties. In this paper, Uncaria rhynchophylla associated alkaloids and soil microbial communities were investigated. The field experiment was set up with the following control group: (M1, no soil conditioner) and different soil conditioner treatment groups (M2, biomass ash; M3, water retention agent; M4, biochar; M5, lime powder and M6, malic acid). The results showed that M2 significantly increased the fresh and dry weight and the contents of isorhynchophylline, corynoxeine, isocorynoxeine, and total alkaloids. Acidobacteria, Proteobacteria, Actinobacteria, and Chloroflexi were major bacterial phyla. Correlation analysis showed that fresh and dry weight was significantly positively correlated with Acidobacteria, while alkali-hydrolyzable nitrogen, phosphatase activity, fresh and dry weight, corynoxeine, and isocorynoxeine were significantly negatively correlated with Chloroflexi. The application of soil conditioner M2 increased the abundance of Acidobacteria and decreased the abundance of Chloroflexi, which contributed to improving the soil nutrient content, yield, and quality of Uncaria rhynchophylla. In summary, biomass ash may be a better choice of soil conditioner in Uncaria rhynchophylla growing areas.
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Affiliation(s)
- Qian Liu
- Center for R&D of Fine Chemicals, Guizhou University, Guiyang, 550025, China
| | - Honghao Cui
- Center for R&D of Fine Chemicals, Guizhou University, Guiyang, 550025, China
- Institute of Soil Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, China
| | - Wansheng Yang
- Center for R&D of Fine Chemicals, Guizhou University, Guiyang, 550025, China
| | - Fang Wang
- Guizhou Industry Polytechnic College, Guiyang, 550008, China
| | - Heng Liao
- Institute of Soil Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, China
| | - Qing Zhu
- Institute of Soil Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, China
| | - Song Qin
- Institute of Soil Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang, 550006, China.
| | - Ping Lu
- Center for R&D of Fine Chemicals, Guizhou University, Guiyang, 550025, China.
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12
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Fate AS, Maheshwari Y, Shekhar Tiwari S, Das P, Bal M. Exploring nanocellulose's role in revolutionizing the pharmaceutical and biomedical fields. Int J Biol Macromol 2024; 272:132837. [PMID: 38848844 DOI: 10.1016/j.ijbiomac.2024.132837] [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: 01/27/2024] [Revised: 04/28/2024] [Accepted: 05/30/2024] [Indexed: 06/09/2024]
Abstract
The increasing global demand for eco-friendly products derived from natural resources has spurred intensive research into biomaterials. Among these materials, nanocellulose stands out as a highly efficient option, consisting of tightly packed cellulose fibrils derived from lignocellulosic biomass. Nanocellulose boasts a remarkable combination of attributes, including a high specific surface area, impressive mechanical strength, abundant hydroxyl groups for easy modification, as well as non-toxic, biodegradable, and environmentally friendly properties. Consequently, nanocellulose has been extensively studied for advanced applications. This paper provides a comprehensive overview of the various sources of nanocellulose derived from diverse natural sources and outlines the wide array of production methods available. Furthermore, it delves into the extensive utility of nanocellulose within the biomedical and pharmaceutical industries, shedding light on its potential role in these fields. Additionally, it highlights the significance of nanocellulose composites and their applications, while also addressing key challenges that must be overcome to enable widespread utilization of nanocellulose.
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Affiliation(s)
- Abhay Sandip Fate
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India
| | - Yash Maheshwari
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India
| | - Shashank Shekhar Tiwari
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India
| | - Payal Das
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India
| | - Manisha Bal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India.
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13
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Elsherif NI, Al-Mahallawi AM, Ahmed IS, Shamma RN. Pectin nanoparticles loaded with nitric oxide donor drug: A potential approach for tissue regeneration. Int J Pharm X 2024; 7:100244. [PMID: 38585344 PMCID: PMC10997829 DOI: 10.1016/j.ijpx.2024.100244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/30/2024] [Accepted: 04/01/2024] [Indexed: 04/09/2024] Open
Abstract
The process of wound healing and tissue regeneration involves several key mechanisms to ensure the production of new tissues with similar cellular functions. This study investigates the impact of pectin, a natural polysaccharide, and nebivolol hydrochloride (NBV), a nitric oxide (NO) donor drug, on wound healing. Utilizing ionotropic gelation, NBV-loaded pectin nanoparticles were developed following a 2231 full factorial design. The optimized formulation, determined using Design expert® software, exhibited an encapsulation efficiency percentage of 70.68%, zeta potential of -51.4 mV, and a particle size of 572 nm, characterized by a spherical, discrete morphology. An in vivo study was conducted to evaluate the effectiveness of the optimal formulation in wound healing compared to various controls. The results demonstrated the enhanced ability of the optimal formulation to accelerate wound healing. Moreover, histopathological examination further confirmed the formulation's benefits in tissue proliferation and collagen deposition at the wound site 15 days post-injury. This suggests that the developed formulation not only promotes faster healing but does so with minimal side effects, positioning it as a promising agent for effective wound healing and tissue regeneration.
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Affiliation(s)
- Noha I. Elsherif
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt
| | - Abdulaziz M. Al-Mahallawi
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo 12613, Egypt
- School of Life and Medical Sciences, University of Hertfordshire Hosted by Global Academic Foundation, New Administrative Capital, Cairo 11835, Egypt
| | - Iman Saad Ahmed
- Department of Pharmaceutics & Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Rehab N. Shamma
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo 12613, Egypt
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14
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El Idrissi A, Tayi F, Dardari O, Essamlali Y, Jioui I, Ayouch I, Akil A, Achagri G, Dänoun K, Amadine O, Zahouily M. Urea-rich sodium alginate-based hydrogel fertilizer as a water reservoir and slow-release N carrier for tomato cultivation under different water-deficit levels. Int J Biol Macromol 2024; 272:132814. [PMID: 38825281 DOI: 10.1016/j.ijbiomac.2024.132814] [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: 03/27/2024] [Revised: 05/23/2024] [Accepted: 05/30/2024] [Indexed: 06/04/2024]
Abstract
In this study, a new eco-friendly urea-rich sodium alginate-based hydrogel with a slow-release nitrogen property was prepared, and its effectiveness was evaluated in the cultivation of tomato plants under different water stress levels. The structure and performance of the hydrogel were investigated by FTIR, XRD, TGA, DTG, and SEM. The swelling and release experiments showed that prepared urea-rich hydrogel exhibited a high-water holding capacity (412 ± 4 g/g) and showed a sustained and slow nitrogen release property. A greenhouse pot experiment was conducted using two hydrogel levels (0.1 and 0.5 wt%) under two water deficit levels (30 and 70 % based on required water irrigation). Germination tests indicated that the developed hydrogel fertilizer has no phytotoxicity and has a positive impact on the germination rate even under water deficit conditions. The application of hydrogel fertilizer at 0.5 wt% significantly (p > 0.05) enhanced plant growth parameters such as leaf number, chlorophyll content, stem diameter, and plant length compared to the control treatment. The magnitude of the responses to the hydrogel fertilizer application depended on the concentration of applied hydrogel fertilizer and stress severity with the most positive effects on the growth and yield of tomato observed at a level of 0.5 %. Tomato yield was significantly enhanced by 19.58 %-12.81 %, 18.58 %-22.02 %, and 39.38 %-43.18 % for the plant amended with hydrogel at 0.1-0.5 wt% and grown under water deficit levels of 0, 30, and 70 %, respectively, compared to the control treatment.
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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 University, B.P. 146 Casablanca, Morocco; MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco.
| | - Fatima Tayi
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II University, B.P. 146 Casablanca, Morocco; MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Othmane Dardari
- Laboratory of Materials, Catalysis & Natural Resources Valorization, URAC 24, Faculty of Science and Technology, Hassan II University, B.P. 146 Casablanca, Morocco; MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Younes Essamlali
- MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco.
| | - Ilham Jioui
- MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Ikrame Ayouch
- MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Adil Akil
- MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Ghizlane Achagri
- Laboratory of Environmental Science and Technology, The Xinjiang Technical Institute of Physics and Chemistry, Key Laboratory of Functional Materials and Devices for Special Environments, Chinese Academy of Sciences, Urumqi 830000, China; Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Karim Dänoun
- MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Othmane Amadine
- 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 University, B.P. 146 Casablanca, Morocco; MAScIR Foundation, VARENA Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco.
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15
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Afnan F, Kashem MNH, Joshi R, Simpson C, Li W. Growth of Romaine Lettuce in Eggshell Powder Mixed Alginate Hydrogel in an Aeroponic System for Water Conservation and Vitamin C Biofortification. Gels 2024; 10:322. [PMID: 38786240 PMCID: PMC11121658 DOI: 10.3390/gels10050322] [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: 04/15/2024] [Revised: 04/29/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
Vitamin C is crucial for physical well-being, and its deficiency can lead to severe health consequences. Biofortification has been used to address this deficiency by enhancing vitamin C in plants. Additionally, soilless agriculture has been used to conserve and optimize water use in comparison to conventional agriculture. While hydrogels have been shown to improve water conservation and are used for biofortification in crops, their application has only been explored in soil-based and hydroponic farming. The aeroponics system is a plant-growing method that has shown potential for increasing yields and biomass while conserving water and nutrients. In this paper, we have developed an aeroponic-compatible medium to grow romaine lettuce (Lactuca sativa L.) with eggshell powder (ESP) mixed with calcium-alginate hydrogel as a substrate and nutrient source aiming to conserve water and incorporate vitamin C through biofortification. Herein, lower water spray time and higher intervals, with varied gel types and ESP concentrations, resulted in healthy lettuce growth. Plants treated with 0.5% ascorbic acid-absorbed ESP-mixed alginate hydrogel for biofortification showed higher levels of vitamin C compared to the traditional method. This study suggests using an alginate hydrogel-ESP-based substrate in aeroponics to reduce water usage and enhance plant biofortification of vitamin C.
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Affiliation(s)
- Fariha Afnan
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA; (F.A.); (M.N.H.K.); (R.J.)
| | - Md Nayeem Hasan Kashem
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA; (F.A.); (M.N.H.K.); (R.J.)
| | - Rutwik Joshi
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA; (F.A.); (M.N.H.K.); (R.J.)
| | - Catherine Simpson
- Department of Plant and Soil Science, Texas Tech University, Lubbock, TX 79409, USA
| | - Wei Li
- Department of Chemical Engineering, Texas Tech University, Lubbock, TX 79409, USA; (F.A.); (M.N.H.K.); (R.J.)
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16
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Akbar WA, Rahim HU, Rutigliano FA. Microbial- and seaweed-based biopolymers: Sources, extractions and implications for soil quality improvement and environmental sustainability - A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 359:120964. [PMID: 38692027 DOI: 10.1016/j.jenvman.2024.120964] [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: 11/27/2023] [Revised: 03/10/2024] [Accepted: 04/19/2024] [Indexed: 05/03/2024]
Abstract
Improving soil quality without creating any environmental problems is an unescapable goal of sustainable agroecosystem management, according to the United Nations 2030 Agenda for Sustainable Development. Therefore, sustainable solutions are in high demand. One of these is the use of biopolymers derived from microbes and seaweed. This paper aims to provide an overview of the sources of extraction and use of microbial (bacteria and cyanobacteria) and seaweed-based biopolymers as soil conditioners, the characteristics of biopolymer-treated soils, and their environmental concerns. A preliminary search was also carried out on the entire Scopus database on biopolymers to find out how much attention has been paid to biopolymers as biofertilizers compared to other applications of these molecules until now. Several soil quality indicators were evaluated, including soil moisture, color, structure, porosity, bulk density, temperature, aggregate stability, nutrient availability, organic matter, and microbial activity. The mechanisms involved in improving soil quality were also discussed.
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Affiliation(s)
- Waqas Ali Akbar
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania Luigi Vanvitelli, via Vivaldi, n. 43, 81100, Caserta, Italy.
| | - Hafeez Ur Rahim
- Department of Chemical, Pharmaceutical and Agricultural Sciences (DOCPAS), University of Ferrara, Italy
| | - Flora Angela Rutigliano
- Department of Environmental, Biological and Pharmaceutical Sciences and Technologies, University of Campania Luigi Vanvitelli, via Vivaldi, n. 43, 81100, Caserta, Italy
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17
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Chen G, Ma F, Li J, Yang P, Wang Y, Li Z, Meng Y. Preparation of CMC-poly(N-isopropylacrylamide) semi-interpenetrating hydrogel with temperature-sensitivity for water retention. Int J Biol Macromol 2024; 268:131735. [PMID: 38653424 DOI: 10.1016/j.ijbiomac.2024.131735] [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: 01/22/2024] [Revised: 04/09/2024] [Accepted: 04/19/2024] [Indexed: 04/25/2024]
Abstract
The CMC-PNIPAM hydrogel with semi-interpenetrating structure and temperature-sensitivity was prepared by in-situ polymerization of N-isopropylacrylamide (NIPAM) in sodium carboxymethylcellulose (CMC) solution at room temperature. The mass ratio of CMC to NIPAM was a key factor influencing the network structure and property of CMC-PNIPAM hydrogel. The low critical phase transition temperature (LCST) of CMC-PNIPAM hydrogels increased from 34.4 °C to 35.8 °C with the mass ratio of CMC to NIPAM rising from 0 to 1.2. The maximum compressive stress of CMC-PNIPAM hydrogel reached to 26.7 kPa and the relaxation elasticity was 52 % at strain of 60 %. The viscoelasticity of CMC-PNIPAM hydrogel was consistent with the generalized Maxwell model. The maximum swelling ratio in deionized water was 170.25 g·g-1 (dried hydrogel) with swelling rate of 2.57 g·g-1·min-1 at 25 °C. CMC-PNIPAM hydrogel hardly absorbed water above LCST, but the swollen hydrogel could release water at the rate of 0.36 g·g-1·min-1 once exceeding LCST. The test of water retention showed that soil mixed with 2 wt% dried CMC-PNIPAM hydrogel could retain 13.08 wt% water after 30 days at 25 °C that was 4.4 times than that of controlled soil without CMC-PNIPAM hydrogel. The semi-interpenetrating CMC-PNIPAM hydrogel showed a potential to conserve water responding to temperature.
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Affiliation(s)
- Guangxu Chen
- School of Environmental Science and Engineering, China
| | - Feng Ma
- School of Environmental Science and Engineering, China; School of Chemistry and Chemical Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China.
| | - Junying Li
- School of Chemistry and Chemical Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China.
| | - Pengfei Yang
- School of Chemistry and Chemical Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Yi Wang
- School of Chemistry and Chemical Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Zihao Li
- School of Chemistry and Chemical Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
| | - Yi Meng
- School of Chemistry and Chemical Engineering, Qilu University of Technology, Shandong Academy of Sciences, Jinan, China
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18
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Gosukonda JS, Degala VN, Singh HP. Assessment of energy cane bagasse-derived cellulosic microfiber hydrogels on the growth of potted chili peppers. Heliyon 2024; 10:e28972. [PMID: 38601519 PMCID: PMC11004581 DOI: 10.1016/j.heliyon.2024.e28972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 02/27/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024] Open
Abstract
Energy cane (Saccharum spp.) bagasse, a type of biomass waste, is often underutilized, burned, or left to dispose of itself. This research aimed to evaluate the potential of converting this bagasse into high-value cellulosic microfiber hydrogels (CMH) for water conservation and potted chili (Capsicum annuum) plant growth. CMH offers a biodegradable alternative to synthetic polyacrylamide (PA) hydrogels and provides the dual benefit of improved water use efficiency and reduced environmental impact due to their ability to naturally break down in the soil. In this study, CMH and PA hydrogels were compared for water retention value (WRV), and reswelling kinetics (RK), as well as their effects on plant height, leaf count, root-to-shoot ratios (R:S ratio), and soil moisture retention. Two versions of CMH, CMH65 and CMH60, were prepared with varying cellulose-chitosan ratios: 65:35 and 60:40, respectively. The hydrogels were tested at four concentrations (0, 0.5, 1.0, and 2.0% w/w) by being mixed in Promix® soil. Observations were recorded over a 16-day period without additional water. Also, the WRV of hydrogels at 240 min and RK (10-180 min) were compared over three swelling-deswelling cycles. The PA hydrogel exhibited higher WRV (exceeding 450%) compared to CMH (45%). However, PA led to reduced plant height, leaf count, and R:S ratio when compared to higher concentrations of CMH65 and CMH60. In general, CMH60 (0.5% and 2%) exhibited superior plant growth. All hydrogels exhibited a significant decrease (p < 0.05) in WRV across successive cycles. Notably, during cycle 2, both CMH65 and CMH60 peaked in WRV at 10 and 20 min, respectively, compared to cycle 1. This study demonstrates the potential of bagasse-derived hydrogels as a value-added product for water conservation and crop growth.
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Affiliation(s)
| | - Venkata N. Degala
- Agricultural Research Station, Fort Valley State University, Fort Valley, GA, 31030, USA
| | - Hari P. Singh
- Agricultural Research Station, Fort Valley State University, Fort Valley, GA, 31030, USA
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19
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Mandal S, Chi H, Moss RE, Dhital P, Babatunde EO, Gurav R, Hwang S. Seed gum-based polysaccharides hydrogels for sustainable agriculture: A review. Int J Biol Macromol 2024; 263:130339. [PMID: 38387640 DOI: 10.1016/j.ijbiomac.2024.130339] [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: 11/27/2023] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
Globally, water scarcity in arid and semiarid regions has become one of the critical issues that hinder sustainable agriculture. Agriculture, being a major water consumer, presents several challenges that affect water availability. Hydrogels derived from polysaccharides seed gums are hydrophilic polymers capable of retaining substantial moisture in their three-dimensional network and releasing it back into the soil during drought conditions. Implementation of hydrogels in the agricultural sectors enhances soil health, plant growth, and crop yield. Furthermore, the soil permeability, density, structure, texture, and rate of evaporation and percolation of water are modified by hydrogel. In this review, hydrogels based on natural plant seed gum like guar, fenugreek, Tara and locust beans have been discussed in terms of their occurrence, properties, chemical structure, method of synthesis, and swelling behavior. The focus extends to recent applications of modified seed gum-based natural hydrogels in agriculture, serving as soil conditioners and facilitating nutrient delivery to growing plants. The swelling behavior and inherent structure of these hydrogels can help researchers unravel their maximum possibilities to promote sustainable agriculture and attenuate the obstacles propounded by our dynamic nature. The current review also examines market growth, prospects, and challenges of eco-friendly hydrogels in recent times.
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Affiliation(s)
- Sujata Mandal
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA.
| | - Hyemein Chi
- Department of Civil and Environmental Engineering, Yonsei University, Seoul, South Korea
| | - Rhiannon E Moss
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Prabin Dhital
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Eunice O Babatunde
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Ranjit Gurav
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Sangchul Hwang
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA.
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20
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da Rocha RFP, da Costa MPM, da Costa ACA, de Mello Ferreira IL. Study of the degradation in an ultisol of alginate-chitosan complex and its stability and applicability as a soil conditioner. Int J Biol Macromol 2024; 264:130384. [PMID: 38395282 DOI: 10.1016/j.ijbiomac.2024.130384] [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: 07/18/2023] [Revised: 02/02/2024] [Accepted: 02/20/2024] [Indexed: 02/25/2024]
Abstract
The present work describes the process of degradation of a polyelectrolytic complex (PEC) based on sodium alginate (ALG) and chitosan (CHI), buried for different time intervals, in a clayey soil (ultisol) collected from the municipality of Campos dos Goytacazes, in the northern region of the state of Rio de Janeiro, Brazil. The influence of PEC on soil moisture was also investigated. The results showed that soil moisture increased with the presence of PEC after 7 days of testing, and remained high until the end of the study. FTIR and Raman spectra showed that the breaking of the glycosidic bond (C-O-C) was responsible for the PEC degradation. Thermogravimetry results revealed that alginate was possibly degraded faster than chitosan. Microscopic analysis of the PEC revealed a fragile and fragmented surface of the samples that were buried, in comparison with those not buried. The microbiological assays of the soil confirmed the biodegradation of the polysaccharides. Chemical analysis of soil indicated that PEC did not significantly influence soil fertility. Therefore, we conclude that the PEC (ALG: CHI), formed only by electrostatic interaction, buried in clayey soil, even being biodegraded, can be a promising soil conditioner for agricultural applications.
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21
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Singh R, Priya H, Kumar SR, Trivedi D, Prasad N, Ahmad F, Chengaiyan JG, Haque S, Rana SS. Gum Ghatti: A Comprehensive Review on Production, Processing, Remarkable Properties, and Diverse Applications. ACS OMEGA 2024; 9:9974-9990. [PMID: 38463282 PMCID: PMC10918680 DOI: 10.1021/acsomega.3c08198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 01/12/2024] [Accepted: 01/18/2024] [Indexed: 03/12/2024]
Abstract
Gum ghatti, popularly known as Indian gum and obtained from Anogeissus latifolia, is a complex high-molecular-weight, water-soluble, and swellable nonstarch polysaccharide comprised of magnesium and calcium salts of ghattic acids and multiple monosugars. Unlike other nontimber forest produce, gums ghatti is a low-volume but high-value product. It has several applications and is widely used as food, in pharmaceuticals, and for wastewater treatment and hydrogel formation, and it has attracted a great deal of attention in the fields of energy, environmental science, and nanotechnology. Industrial applications of gum ghatti are primarily due to its excellent emulsification, stabilization, thickening, heat tolerance, pH stability, carrier, and biodegradable properties. However, utilization of gum ghatti is poorly explored and implemented due to a lack of knowledge of its production, processing, and properties. Nevertheless, there has been interest among investigators in recent times for exploring its production, processing, molecular skeleton, and functional properties. This present review focuses on production scenarios, processing aspects, structural and functional properties, and potential applications in the food, pharmaceuticals, nonfood, and other indigenous and industrial usages.
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Affiliation(s)
- Ranjit Singh
- ICAR-Indian
Agricultural Research Institute, Gauria Karma, Hazaribagh, Jharkhand 825405, India
- Food
Engineering and Bioprocess Technology, Asian
Institute of Technology, Klong
Luang, Pathum Thani 12120, Thailand
| | - Himani Priya
- ICAR-Indian
Agricultural Research Institute, Gauria Karma, Hazaribagh, Jharkhand 825405, India
| | - Simmi Ranjan Kumar
- Department
of Biotechnology, Faculty of Science, Mahidol
University, Phayathai, Bangkok 10400, Thailand
| | - Dipika Trivedi
- Food
Engineering and Bioprocess Technology, Asian
Institute of Technology, Klong
Luang, Pathum Thani 12120, Thailand
| | - Niranjan Prasad
- Agricultural
Structures and Process Engineering Division (AS&PE), ICAR-National Institute of Secondary Agriculture, Ranchi, Jharkhand 834010, India
| | - Faraz Ahmad
- School
of Bio Science and Technology (SBST), Vellore
Institute of Technology, Vellore, Tamil Nadu 632014, India
| | - Jeevitha Gada Chengaiyan
- School
of Bio Science and Technology (SBST), Vellore
Institute of Technology, Vellore, Tamil Nadu 632014, India
| | - Shafiul Haque
- Research
and Scientific Studies Unit, College of Nursing and Allied Health
Sciences, Jazan University, Jazan 45142, Saudi Arabia
- Gilbert and
Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut 1102 2801, Lebanon
- Centre of
Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman 13306, United Arab
Emirates
| | - Sandeep Singh Rana
- School
of Bio Science and Technology (SBST), Vellore
Institute of Technology, Vellore, Tamil Nadu 632014, India
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22
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Tanwar M, Gupta RK, Rani A. Natural gums and their derivatives based hydrogels: in biomedical, environment, agriculture, and food industry. Crit Rev Biotechnol 2024; 44:275-301. [PMID: 36683015 DOI: 10.1080/07388551.2022.2157702] [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: 07/01/2022] [Revised: 11/04/2022] [Accepted: 11/14/2022] [Indexed: 01/24/2023]
Abstract
The hydrogels based on natural gums and chemically derivatized natural gums have great interest in pharmaceutical, food, cosmetics, and environmental remediation, due to their: economic viability, sustainability, nontoxicity, biodegradability, and biocompatibility. Since these natural gems are from plants, microorganisms, and seaweeds, they offer a great opportunity to chemically derivatize and modify into novel, innovative biomaterials as scaffolds for tissue engineering and drug delivery. Derivatization improves swelling properties, thereby developing interest in agriculture and separating technologies. This review highlights the work done over the past three and a half decades and the possibility of developing novel materials and technologies in a cost-effective and sustainable manner. This review has compiled various natural gums, their source, chemical composition, and chemically derivatized gums, various methods to synthesize hydrogel, and their applications in biomedical, food and agriculture, textile, cosmetics, water purification, remediation, and separation fields.
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Affiliation(s)
- Meenakshi Tanwar
- Department of Applied Chemistry, Delhi Technological University, Delhi, India
| | - Rajinder K Gupta
- Department of Applied Chemistry, Delhi Technological University, Delhi, India
| | - Archna Rani
- Department of Applied Chemistry, Delhi Technological University, Delhi, India
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23
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Ma Y, Morozova SM, Kumacheva E. From Nature-Sourced Polysaccharide Particles to Advanced Functional Materials. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2312707. [PMID: 38391153 DOI: 10.1002/adma.202312707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 02/15/2024] [Indexed: 02/24/2024]
Abstract
Polysaccharides constitute over 90% of the carbohydrate mass in nature, which makes them a promising feedstock for manufacturing sustainable materials. Polysaccharide particles (PSPs) are used as effective scavengers, carriers of chemical and biological cargos, and building blocks for the fabrication of macroscopic materials. The biocompatibility and degradability of PSPs are advantageous for their uses as biomaterials with more environmental friendliness. This review highlights the progresses in PSP applications as advanced functional materials, by describing PSP extraction, preparation, and surface functionalization with a variety of functional groups, polymers, nanoparticles, and biologically active species. This review also outlines the fabrication of PSP-derived macroscopic materials, as well as their applications in soft robotics, sensing, scavenging, water harvesting, drug delivery, and bioengineering. The paper is concluded with an outlook providing perspectives in the development and applications of PSP-derived materials.
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Affiliation(s)
- Yingshan Ma
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
| | - Sofia M Morozova
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
- Center of Fluid Physics and Soft Matter, N.E. Bauman Moscow State Technical University, 5/1 2-nd Baumanskaya street, Moscow, 105005, Russia
| | - Eugenia Kumacheva
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario, M5S 3H6, Canada
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada
- The Institute of Biomaterials and Biomedical Engineering, University of Toronto, 4 Taddle Creek Road, Toronto, Ontario, M5S 3G9, Canada
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24
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Siryk O, Goncharuk O, Samchenko Y, Kernosenko L, Szewczuk-Karpisz K. Comparison of Structural, Water-Retaining and Sorption Properties of Acrylamide-Based Hydrogels Cross-Linked by Physical and Chemical Methods. Chemphyschem 2024; 25:e202300812. [PMID: 38227375 DOI: 10.1002/cphc.202300812] [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: 10/31/2023] [Revised: 12/03/2023] [Indexed: 01/17/2024]
Abstract
Two series of hydrogels based on acrylamide and its copolymers with acrylonitrile and acrylic acid were synthesized by two cross-linking methods - chemical (using N,N'-methylene bis-acrylamide) and physical (using montmorillonite (MMT)) ones. The structure of the gels was characterized by Fourier Transform Infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The swelling and sorption properties were analyzed as a function of both the monomer composition and the cross-linking method. The shift of the band corresponding to Si-O (995-1030 cm-1 ) confirmed the formation of intercalation structures for MMT-cross-linked gels. Moreover, physically cross-linked gels demonstrated a non-monotonic dependence of the swelling degree on the MMT concentration, and acrylamide-acrylic acid copolymer MMT-cross-linked gels showed pH sensitivity and the highest swelling degree of 150 g/g. The highest sorption capacity towards cadmium(II) ions was demonstrated by acrylamide-acrylic acid copolymer gels, both covalently cross-linked (30 mg/g) and MMT-cross-linked (8.9 mg/g).
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Affiliation(s)
- Olena Siryk
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
- F.D. Ovcharenko Institute of Biocolloidal Chemistry, NAS of Ukraine, Vernadskogo Blvd. 42, 03142, Kyiv, Ukraine
| | - Olena Goncharuk
- Institute of Agrophysics, Polish Academy of Sciences, Doświadczalna 4, 20-290, Lublin, Poland
- F.D. Ovcharenko Institute of Biocolloidal Chemistry, NAS of Ukraine, Vernadskogo Blvd. 42, 03142, Kyiv, Ukraine
| | - Yurii Samchenko
- F.D. Ovcharenko Institute of Biocolloidal Chemistry, NAS of Ukraine, Vernadskogo Blvd. 42, 03142, Kyiv, Ukraine
| | - Liudmyla Kernosenko
- F.D. Ovcharenko Institute of Biocolloidal Chemistry, NAS of Ukraine, Vernadskogo Blvd. 42, 03142, Kyiv, Ukraine
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25
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Plummer A, Adkins C, Louf JF, Košmrlj A, Datta SS. Obstructed swelling and fracture of hydrogels. SOFT MATTER 2024; 20:1425-1437. [PMID: 38252539 DOI: 10.1039/d3sm01470c] [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
Obstructions influence the growth and expansion of bodies in a wide range of settings-but isolating and understanding their impact can be difficult in complex environments. Here, we study obstructed growth/expansion in a model system accessible to experiments, simulations, and theory: hydrogels swelling around fixed cylindrical obstacles with varying geometries. When the obstacles are large and widely-spaced, hydrogels swell around them and remain intact. In contrast, our experiments reveal that when the obstacles are narrow and closely-spaced, hydrogels fracture as they swell. We use finite element simulations to map the magnitude and spatial distribution of stresses that build up during swelling at equilibrium in a 2D model, providing a route toward predicting when this phenomenon of self-fracturing is likely to arise. Applying lessons from indentation theory, poroelasticity, and nonlinear continuum mechanics, we also develop a theoretical framework for understanding how the maximum principal tensile and compressive stresses that develop during swelling are controlled by obstacle geometry and material parameters. These results thus help to shed light on the mechanical principles underlying growth/expansion in environments with obstructions.
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Affiliation(s)
- Abigail Plummer
- Princeton Center for Complex Materials, Princeton University, Princeton, NJ 08540, USA
| | - Caroline Adkins
- Department of Civil and Environmental Engineering, Princeton University, Princeton, NJ 08544, USA
| | - Jean-François Louf
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA.
- Department of Chemical Engineering, Auburn University, Auburn, AL 36849, USA
| | - Andrej Košmrlj
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ 08544, USA.
- Princeton Materials Institute, Princeton University, Princeton, NJ 08544, USA
| | - Sujit S Datta
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA.
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26
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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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27
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Fabian DRC, Durpekova S, Dusankova M, Hanusova D, Bergerova ED, Sedlacik M, Skoda D, Sedlarik V. Renewable whey-based hydrogel with polysaccharides and polyvinyl alcohol as a soil amendment for sustainable agricultural application. Int J Biol Macromol 2024; 259:129056. [PMID: 38159689 DOI: 10.1016/j.ijbiomac.2023.129056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 12/12/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024]
Abstract
This work describes the preparation of a novel biopolymer hydrogel based on acid whey, cellulose derivatives and polyvinyl alcohol (PVA). The hydrogel was prepared and characterized with the aim of producing an environmentally-friendly soil amendment to increase water retention capacity of the soil. The findings showed considerable swelling properties of the hydrogels depending on the PVA content and crosslinking density. The samples with PVA in a concentration 2.5 % and 5 % were more rigid, the gel fraction increased with a subsequently decrease in their swelling capacity. The hydrogels crosslinked with 15 % of citric acid demonstrated a constant swelling ratio (SR) of around 500 % within 10 swelling/drying cycles. The hydrogels crosslinked with 10 % citric acid and supplemented with 1 % of PVA showed SR of 1000-1400 % caused by less crosslinked polymer network and increased pore volume for water uptake. It was found that hydrogel with a higher gel fraction had a stable structure. Supplementing PVA at 5 % extended the period of decomposition of the hydrogel material by almost 60 % in the soil environment and soil humidity was maintained for longer. Applying 2 % of the hydrogel 5PVA to soil increased the water retention capacity by 19 %.
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Affiliation(s)
- Dalila Rubicela Cruz Fabian
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Silvie Durpekova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic.
| | - Miroslava Dusankova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Dominika Hanusova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Eva Domincova Bergerova
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Michal Sedlacik
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - David Skoda
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
| | - Vladimir Sedlarik
- Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tr. T. Bati 5678, 760 01 Zlin, Czech Republic
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28
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Ratke RF, de Sousa A, Chaves DV, Zanatta FL, Edvan RL, Sousa HR, Silva-Filho EC, Osajima JA, Nascimento AMSS, Aguilera JG, Zuffo AM, da Silva NP, Teodoro PE, Bezerra LR, Gonzales HHS, Morales-Aranibar L. Cashew gum hydrogel as an alternative to minimize the effect of drought stress on soybean. Sci Rep 2024; 14:2159. [PMID: 38272955 PMCID: PMC10810872 DOI: 10.1038/s41598-024-52509-2] [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: 04/27/2023] [Accepted: 01/19/2024] [Indexed: 01/27/2024] Open
Abstract
The use of hydrogels helpsthe production of plants in drought-stress environments. Thus, this work evaluated using different hydrogels to minimize drought stress in soybean cultivation. The treatments employed two different hydrogels, one already commercialized and the other produced with cashew gum (Anacardium occidentale), five levels (0, 30, 60, 120, and 240 mg pot-1) of the hydrogels, and two levels of drought stress in sandy soil. The growth and yield of soybeans and the levels of macro- and micronutrients in soybeans were evaluated.growth. The use of CG hydrogel promoted 12% increase in protein content in the seeds in the when soybean plants were subjected to drought stress. The levels of 30 mg pot-1, corresponding to 7.5 kg ha-1, improved the 'morphological and productive parametersof the soybeans. The increasing levels of hydrogel promoted the increase in P, K, Ca, Mg, and Fe and reduced S and Cu on an exponential scale. The use of cashew gum hydrogel increased the K and Ca contents in soybean seeds compared to commercial hydrogel.
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Affiliation(s)
- Rafael Felippe Ratke
- Agronomic Departament, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul, Mato Grosso do Sul, 79650-000, Brazil
| | - Alan de Sousa
- Agronomic Departament, Federal University of Piauí, Bom Jesus, Piauí, 64900-000, Brazil
| | - Daniela Vieira Chaves
- Agronomic Departament, Federal University of Piauí, Bom Jesus, Piauí, 64900-000, Brazil
| | - Fábio Luiz Zanatta
- Agronomic Departament, Federal University of Piauí, Bom Jesus, Piauí, 64900-000, Brazil
| | - Ricardo Loiola Edvan
- Department of Animal Science, Agricultural Science Center, Federal University of Piauí, Teresina, Piauí, 64049-550, Brazil
| | - Heldeney Rodrigues Sousa
- Interdisciplinary Laboratory for Advanced Materials, LIMAV, Piauí, Federal University, Campus Universitário, MinistroPetrônio Portella, Teresina, Piauí, 64049-550, Brazil
| | - Edson Cavalcanti Silva-Filho
- Interdisciplinary Laboratory for Advanced Materials, LIMAV, Piauí, Federal University, Campus Universitário, MinistroPetrônio Portella, Teresina, Piauí, 64049-550, Brazil
| | - Josy Anteveli Osajima
- Interdisciplinary Laboratory for Advanced Materials, LIMAV, Piauí, Federal University, Campus Universitário, MinistroPetrônio Portella, Teresina, Piauí, 64049-550, Brazil
| | - Ariane Maria Silva Santos Nascimento
- Interdisciplinary Laboratory for Advanced Materials, LIMAV, Piauí, Federal University, Campus Universitário, MinistroPetrônio Portella, Teresina, Piauí, 64049-550, Brazil
| | - Jorge González Aguilera
- Department of Crop Science, State University of Mato Grosso do Sul, Cassilândia, MS, 79540-000, Brazil
| | - Alan Mario Zuffo
- Agronomic Departament, State University of Maranhão, Campus de Balsas, Balsas, MA, 65800-000, Brazil
| | - Natielly Pereira da Silva
- Agronomic Departament, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul, Mato Grosso do Sul, 79650-000, Brazil
| | - Paulo Eduardo Teodoro
- Agronomic Departament, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul, Mato Grosso do Sul, 79650-000, Brazil.
| | - Leilson Rocha Bezerra
- Veterinary Medicine Academic Unit, Campina Grande Federal University, Patos, Paraíba, 58708-110, Brazil
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29
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Kleemann K, Bolduan P, Battagliarin G, Christl I, McNeill K, Sander M. Molecular Structure and Conformation of Biodegradable Water-Soluble Polymers Control Adsorption and Transport in Model Soil Mineral Systems. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:1274-1286. [PMID: 38164921 PMCID: PMC10795197 DOI: 10.1021/acs.est.3c05770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 01/03/2024]
Abstract
Water-soluble polymers (WSPs) are used in diverse applications, including agricultural formulations, that can result in the release of WSPs to soils. WSP biodegradability in soils is desirable to prevent long-term accumulation and potential associated adverse effects. In this work, we assessed adsorption of five candidate biodegradable WSPs with varying chemistry, charge, and polarity characteristics (i.e., dextran, diethylaminoethyl dextran, carboxymethyl dextran, polyethylene glycol monomethyl ether, and poly-l-lysine) and of one nonbiodegradable WSP (poly(acrylic acid)) to sand and iron oxide-coated sand particles that represent important soil minerals. Combined adsorption studies using solution-depletion measurements, direct surface adsorption techniques, and column transport experiments over varying solution pH and ionic strengths revealed electrostatics dominating interactions of charged WSPs with the sorbents as well as WSP conformations and packing densities in the adsorbed states. Hydrogen bonding controls adsorption of noncharged WSPs. Under transport in columns, WSP adsorption exhibited fast and slow kinetic adsorption regimes with time scales of minutes to hours. Slow adsorption kinetics in soil may lead to enhanced transport but also shorter lifetimes of biodegradable WSPs, assuming more rapid biodegradation when dissolved than adsorbed. This work establishes a basis for understanding the coupled adsorption and biodegradation dynamics of biodegradable WSPs in agricultural soils.
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Affiliation(s)
- Kevin Kleemann
- Institute
of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
| | - Patrick Bolduan
- BASF
SE, Materials and Formulation Research, Carl-Bosch-Strasse 38, 67056 Ludwigshafen, Germany
| | - Glauco Battagliarin
- BASF
SE, Materials and Formulation Research, Carl-Bosch-Strasse 38, 67056 Ludwigshafen, Germany
| | - Iso Christl
- Institute
of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
| | - Kristopher McNeill
- Institute
of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
| | - Michael Sander
- Institute
of Biogeochemistry and Pollutant Dynamics, ETH Zurich, 8092 Zurich, Switzerland
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30
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Kadry G, El-Gawad HA. Rice straw derived cellulose-based hydrogels synthesis and applications as water reservoir system. Int J Biol Macromol 2023; 253:127058. [PMID: 37769760 DOI: 10.1016/j.ijbiomac.2023.127058] [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: 05/19/2023] [Revised: 08/12/2023] [Accepted: 09/18/2023] [Indexed: 10/03/2023]
Abstract
This study synthesized new cellulose-based hydrogels, namely cellulose and cellulose/poly acrylic acid, using cellulose extracted from rice straw via alkaline and acidic pulping processes. The research demonstrated alkaline treatment with sodium hydroxide to be more effective for cellulose extraction compared to acidic treatment. Hydrogel synthesis used graft polymerization and chemical crosslinking with potassium persulfate as initiator and epichlorohydrin as a crosslinker. Fourier transform infrared spectroscopy (FTIR), thermal gravimetric analysis (TG), and scanning electron microscopy (SEM) characterized the prepared hydrogels. Important factors determining hydrogel competence are swelling ratio and water retention rate. The cellulose hydrogel exhibited the highest swelling ratio in tap water (9811%) with 76.25 wt% water retention and in artificial hard water (3121.43%) with 64.58 wt% retention after 4 days outdoors at 298 K. Finally, hydrogels were investigated extensively for agricultural applications. Fenugreek seeds germinated and grew well (67% germination after 7 days) in normal soil mixed with 10% cellulose hydrogel. Biodegradability testing exhibited 6% degradation after 40 days and 10% after 120 days in an open-air lab at room temperature and 60% humidity.
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Affiliation(s)
- Ghada Kadry
- Chemical Engineering Department, The Higher Institute of Engineering, El Shorouk Academy, Cairo, Egypt.
| | - Heba A El-Gawad
- Engineering Mathematics and Physics Department, The Higher Institute of Engineering, El Shorouk Academy, Cairo, Egypt.
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31
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Dorochesi F, Barrientos-Sanhueza C, Díaz-Barrera Á, Cuneo IF. Enhancing Soil Resilience: Bacterial Alginate Hydrogel vs. Algal Alginate in Mitigating Agricultural Challenges. Gels 2023; 9:988. [PMID: 38131972 PMCID: PMC10743275 DOI: 10.3390/gels9120988] [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: 11/15/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
Erosion and tillage changes negatively the soil physical structure, which directly impacts agricultural systems and consequently food security. To mitigate these adverse modifications, different polymeric materials from synthetic and natural sources, have been used as soil conditioners to improve the hydro-mechanical behavior of affected soils. One of the most interesting and used natural polymers is the alginate hydrogel. Although commercially available alginate hydrogels are primarily sourced from algal, they can also be sourced from bacteria. The gelation capacity of these hydrogels is determined by their molecular properties, which, in turn, are influenced by the production conditions. Bacterial alginate hydrogel production offers the advantage of precise control over environmental conditions during cultivation and extraction, thereby maintaining and enhancing their molecular properties. This, in turn, results in higher molecular weight and improved gelation capacity. In this study, we compared the effects of bacterial alginate (BH) and algal alginate (AH) hydrogels over the mechanical, hydraulic, and structural behavior of coarse quartz sand as a model soil. Mechanically, it was observed that the treatment with the lowest concentration of bacteria alginate hydrogel (BH1) reached higher values of yield strength, Young's modulus (E), shear modulus (G) and strain energy (U) than those treatments with algal alginate hydrogel (AH). Furthermore, the increase in the aggregate stability could be associated with the improvement of mechanical parameters. On the other hand, a greater water retention capacity was observed in the BH treatments, as well as a greater decrease in hydraulic conductivity with respect to the AH and control treatments. All these changes could be explained by the formation of bridge-like structures between the sand particles and the hydrogel, and this alteration may result in a shift in the mechanical and wettability characteristics of the treated soils. Finally, our findings emphasize the superior impact of bacterial alginate hydrogel on enhancing the mechanical and hydraulic properties of coarse quartz sand compared to traditional algal alginate. Besides, the use of bacterial alginate hydrogel could be useful to counteract erosion and water scarcity scenarios in agricultural systems.
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Affiliation(s)
- Flavia Dorochesi
- Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Valparaíso 2340025, Chile; (F.D.); (C.B.-S.)
| | - Cesar Barrientos-Sanhueza
- Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Valparaíso 2340025, Chile; (F.D.); (C.B.-S.)
| | - Álvaro Díaz-Barrera
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Valparaíso 2340025, Chile;
| | - Italo F. Cuneo
- Facultad de Ciencias Agronómicas y de los Alimentos, Pontificia Universidad Católica de Valparaíso, Valparaíso 2340025, Chile; (F.D.); (C.B.-S.)
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32
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Azeem MK, Islam A, Khan RU, Rasool A, Anees Ur Rehman Qureshi M, Rizwan M, Shuib RK, Rehman A, Sadiqa A. Guar gum/poly ethylene glycol/graphene oxide environmentally friendly hybrid hydrogels for controlled release of boron micronutrient. ROYAL SOCIETY OPEN SCIENCE 2023; 10:231157. [PMID: 38094268 PMCID: PMC10716656 DOI: 10.1098/rsos.231157] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/21/2023] [Indexed: 01/11/2024]
Abstract
The present study was aimed at synthesis of polymeric hydrogels for controlled boron (B) release, as B deficiency is a major factor that decreases crops yield. Thus, graphene oxide incorporated guar gum and poly (ethylene glycol) hydrogels were prepared using the Solution Casting method for boron release. 3-Glycidyloxypropyl trimethoxysilane (GLYMOL) was used as a cross-linker. Characterizations of hydrogels were carried out by Fourier Transform Infrared Spectroscopy (FTIR), Thermo-Gravimetric Analysis and Scanning Electron scope. The FTIR outcomes confirmed the existence of functional groups, bindings and development of hydrogel frameworks from incorporated components. The quantity of GLYMOL directly increased the thermal stability and water retention but decreased the swelling %. The maximum swelling for the hydrogel formulations was observed at pH 7. The addition of GLYMOL changed the diffusion from quasi-Fickcian to non-Fickcian diffusion. The maximum swelling quantities of 3822% and 3342% were exhibited by GPP (control) and GPP-8 in distilled water, respectively. Boron release was determined in distilled water and sandy soil by azomethine-H test using UV-Visible spectrophotometer while 85.11% and 73.65% boron was released from BGPP-16, respectively. In short, water retentive, water holding capacities, swelling performances, biodegradability and swelling/deswelling features would offer an ideal platform for boron release in sustained agricultural applications.
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Affiliation(s)
- Muhammad Khalid Azeem
- Institute of Polymer and Textile Engineering, University of the Punjab, Lahore, Punjab, Pakistan
| | - Atif Islam
- Institute of Polymer and Textile Engineering, University of the Punjab, Lahore, Punjab, Pakistan
| | - Rafi Ullah Khan
- Institute of Chemical Engineering and Technology, University of the Punjab, Lahore, Punjab, Pakistan
| | - Atta Rasool
- School of Chemistry, University of the Punjab, Lahore, Punjab, Pakistan
| | | | - Muhammad Rizwan
- Department of Chemistry, University of Lahore 54000, Pakistan
| | - Raa Khimi Shuib
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, 14300, Penang, Malaysia
| | - Abdul Rehman
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, 14300, Penang, Malaysia
- Department of Polymer Engineering, National Textile University, Karachi campus, 74900, Karachi, Pakistan
| | - Ayesha Sadiqa
- Department of Chemistry, University of Lahore 54000, Pakistan
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33
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Qu Y, Haverkamp R, Jin Z, Jakobs-Schönwandt D, Patel AV, Hellweg T. Release Kinetics of Potassium, Calcium, and Iron Cations from Carboxymethyl Cellulose Hydrogels at Different pH Values. Chempluschem 2023; 88:e202300368. [PMID: 37881159 DOI: 10.1002/cplu.202300368] [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: 07/17/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 10/27/2023]
Abstract
In an in-depth study of the mechanism of cation release from carboxymethyl cellulose hydrogels synthesized through Schiff base reaction, we analyze the differences in the release kinetics of potassium, calcium, and iron cations with Peleg model at pH values of pH 3.5 and pH 8.5 using ICP-OES (inductively coupled plasma optical emission spectroscopy) technique.
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Affiliation(s)
- Yi Qu
- Department of Chemistry, Physical and Biophysical Chemistry, Bielefeld University, Universitätsstraße 25, 33615, Bielefeld, Germany
- Fermentation and Formulation of Biologicals and Chemicals, Bielefeld Institute of Applied Materials Research, Bielefeld University of Applied Sciences, Interaktion 1, 33619, Bielefeld, Germany
| | - René Haverkamp
- Department of Chemistry, Physical and Biophysical Chemistry, Bielefeld University, Universitätsstraße 25, 33615, Bielefeld, Germany
| | - Zhaorui Jin
- Otto Schott Institute for Materials Research, Friedrich Schiller University Jena, Fraunhoferstraße 6, 07743, Jena, Germany
| | - Désirée Jakobs-Schönwandt
- Fermentation and Formulation of Biologicals and Chemicals, Bielefeld Institute of Applied Materials Research, Bielefeld University of Applied Sciences, Interaktion 1, 33619, Bielefeld, Germany
| | - Anant V Patel
- Fermentation and Formulation of Biologicals and Chemicals, Bielefeld Institute of Applied Materials Research, Bielefeld University of Applied Sciences, Interaktion 1, 33619, Bielefeld, Germany
| | - Thomas Hellweg
- Department of Chemistry, Physical and Biophysical Chemistry, Bielefeld University, Universitätsstraße 25, 33615, Bielefeld, Germany
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34
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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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35
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Zhao L, Zhou Y, Zhang J, Liang H, Chen X, Tan H. Natural Polymer-Based Hydrogels: From Polymer to Biomedical Applications. Pharmaceutics 2023; 15:2514. [PMID: 37896274 PMCID: PMC10610124 DOI: 10.3390/pharmaceutics15102514] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Hydrogels prepared from natural polymer have attracted extensive attention in biomedical fields such as drug delivery, wound healing, and regenerative medicine due to their good biocompatibility, degradability, and flexibility. This review outlines the commonly used natural polymer in hydrogel preparation, including cellulose, chitosan, collagen/gelatin, alginate, hyaluronic acid, starch, guar gum, agarose, and dextran. The polymeric structure and process/synthesis of natural polymers are illustrated, and natural polymer-based hydrogels including the hydrogel formation and properties are elaborated. Subsequently, the biomedical applications of hydrogels based on natural polymer in drug delivery, tissue regeneration, wound healing, and other biomedical fields are summarized. Finally, the future perspectives of natural polymers and hydrogels based on them are discussed. For natural polymers, novel technologies such as enzymatic and biological methods have been developed to improve their structural properties, and the development of new natural-based polymers or natural polymer derivatives with high performance is still very important and challenging. For natural polymer-based hydrogels, novel hydrogel materials, like double-network hydrogel, multifunctional composite hydrogels, and hydrogel microrobots have been designed to meet the advanced requirements in biomedical applications, and new strategies such as dual-cross-linking, microfluidic chip, micropatterning, and 3D/4D bioprinting have been explored to fabricate advanced hydrogel materials with designed properties for biomedical applications. Overall, natural polymeric hydrogels have attracted increasing interest in biomedical applications, and the development of novel natural polymer-based materials and new strategies/methods for hydrogel fabrication are highly desirable and still challenging.
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Affiliation(s)
- Lingling Zhao
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Yifan Zhou
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Jiaying Zhang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
- Center for Child Care and Mental Health (CCCMH), Shenzhen Children’s Hospital, Shenzhen 518038, China
| | - Hongze Liang
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Xianwu Chen
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo 315211, China
| | - Hui Tan
- Center for Child Care and Mental Health (CCCMH), Shenzhen Children’s Hospital, Shenzhen 518038, China
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36
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Noureen S, Noreen S, Ghumman SA, Abdelrahman EA, Batool F, Aslam A, Mehdi M, Shirinfar B, Ahmed N. A novel pH-responsive hydrogel system based on Prunus armeniaca gum and acrylic acid: Preparation and evaluation as a potential candidate for controlled drug delivery. Eur J Pharm Sci 2023; 189:106555. [PMID: 37543064 DOI: 10.1016/j.ejps.2023.106555] [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: 05/25/2023] [Revised: 07/04/2023] [Accepted: 08/03/2023] [Indexed: 08/07/2023]
Abstract
pH-responsive hydrogels have become effective and attractive materials for the controlled release of drugs at pre-determined destinations. In the present study, a novel hydrogel system based on Prunus armeniaca gum (PAG) and acrylic acid (AA) was prepared by a free radical mechanism using N, N-methylene bisacrylamide (MBA) as cross-linker and potassium persulfate (KPS) as initiator. A series of hydrogels varying PAG, AA, and MBA concentration was developed to determine the impact of these components. Formulated hydrogels were characterized for pH-responsive swelling, drug release, gel content, and porosity. Structural analysis was performed by FTIR, XRD, and SEM analysis. TGA study was applied to assess thermal stability. Oral acute toxicity and in vivo drug release were performed in rabbits. Hydrogels exhibited pH-dependent swelling and drug release. Swelling, drug loading and release, and porosity increased by increasing PAG and AA concentration while decreased by increasing MBA. The gel content of formulations was increased by increasing all three components. FTIR studies confirmed the development of copolymeric networks and the loading of drug. XRD studies revealed that hydrogels were amorphous, and the crystalline drug was changed into an amorphous form during loading. TGA results indicated that hydrogels were stable up to 600 °C. Acute oral toxicity results confirm that hydrogels were nontoxic up to a dose of 2 g/kg body weight in rabbits. The pharmacokinetic evaluation revealed that hydrogels prolonged the availability of the drug and the peak plasma concentration of the drug was obtained in 6 h as compared to the oral solution of the drug. Tramadol hydrochloride (THC) was used as a model drug. Hence, pH-responsive swelling and release, nontoxic nature and improved pharmacokinetics support that PAG-based hydrogels may be considered as potential controlled-release polymeric carriers.
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Affiliation(s)
- Shazia Noureen
- Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Sobia Noreen
- Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan.
| | | | - Ehab A Abdelrahman
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; Chemistry Department, Faculty of Science, Benha University, Benha 13518, Egypt
| | - Fozia Batool
- Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Afeefa Aslam
- Department Of Pharmacy, Comsats University, Abbottabad 22020, Pakistan
| | - Muhammad Mehdi
- Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Bahareh Shirinfar
- Department of Chemistry, University of Bath, Bath BA2 7AY, United Kingdom
| | - Nisar Ahmed
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom.
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37
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Jugé A, Moreno-Villafranca J, Perez-Puyana VM, Jiménez-Rosado M, Sabino M, Capezza AJ. Porous Thermoformed Protein Bioblends as Degradable Absorbent Alternatives in Sanitary Materials. ACS APPLIED POLYMER MATERIALS 2023; 5:6976-6989. [PMID: 37705711 PMCID: PMC10497054 DOI: 10.1021/acsapm.3c01027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 08/15/2023] [Indexed: 09/15/2023]
Abstract
Protein-based porous absorbent structures can be processed and assembled into configurations suitable for single-use, biodegradable sanitary materials. In this work, a formulation based on a mixture of proteins available as industrial coproducts is processed into continuous porous structures using extrusion and assembled using conventional thermal methods. The experimental design led to formulations solely based on zein-gluten protein bioblends that could be manufactured as liquid absorbent pellets, compressed pads, and/or porous films. The processing versatility is attributed to the synergistic effect of zein as a low viscosity thermoformable protein with gluten as a readily cross-linkable high molecular weight protein. The capillary-driven sorption, the biodegradability of the materials, and the possibility to assemble the products as multilayer components provide excellent performance indicators for their use as microplastic-free absorbents. This work shows the potential of biopolymers for manufacturing sustainable alternatives to current nonbiodegradable and highly polluting disposable items such as pads and diapers.
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Affiliation(s)
- Agnès Jugé
- KTH
Royal Institute of Technology, Department of Fibre and Polymer Technology, Polymeric Materials Division,
School of Engineering Sciences in Chemistry, Biotechnology and Health, Stockholm 10044, Sweden
| | | | | | | | - Marcos Sabino
- B5IDA
Research Group Chemistry Department, Universidad
Simón Bolívar, AP 89000, Caracas, Venezuela
| | - Antonio J. Capezza
- KTH
Royal Institute of Technology, Department of Fibre and Polymer Technology, Polymeric Materials Division,
School of Engineering Sciences in Chemistry, Biotechnology and Health, Stockholm 10044, Sweden
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38
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Sudheer S, Bandyopadhyay S, Bhat R. Sustainable polysaccharide and protein hydrogel-based packaging materials for food products: A review. Int J Biol Macromol 2023; 248:125845. [PMID: 37473880 DOI: 10.1016/j.ijbiomac.2023.125845] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/09/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023]
Abstract
Sustainable food packaging is a necessary element to ensure the success of a food system, the accomplishment of which is weighed in terms of quality retention and ensured products safety. Irrespective of the raised environmental concerns regarding petroleum-based packaging materials, a sustainable analysis and a lab to land assessment should be a priority to eliminate similar fates of new material. Functionalized bio-based hydrogels are one of the smartest packaging inventions that are expected to revolutionize the food packaging industry. Although in this review, the focus relies on recent developments in the sustainable bio-based hydrogel packaging materials, natural biopolymers such as proteins and polysaccharides from which hydrogels could be obtained, the challenges encountered in hydrogel-based packaging materials and the future prospects of hydrogel-based food packaging materials are also discussed. Moreover, the need for 'Life Cycle Assessment' (LCA), stress on certifications and a sustainable waste management system is also suggested which can bring both food and packaging into the same recycling bins.
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Affiliation(s)
- Surya Sudheer
- ERA-Chair for Food (By-) Products Valorisation Technologies (VALORTECH), Estonian University of Life Sciences, Fr. R. Kreutzwaldi 1, Tartu 510014, Estonia.
| | - Smarak Bandyopadhyay
- Centre of Polymeric Systems, University Institute, Tomas Bata University in Zlin, Tř. T. Bati 5678, Zlin 76001, Czech Republic
| | - Rajeev Bhat
- ERA-Chair for Food (By-) Products Valorisation Technologies (VALORTECH), Estonian University of Life Sciences, Fr. R. Kreutzwaldi 1, Tartu 510014, Estonia.
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39
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Wang Y, Gao M, Chen H, Chen Y, Wang L, Wang R. Organic Amendments promote saline-alkali soil desalinization and enhance maize growth. FRONTIERS IN PLANT SCIENCE 2023; 14:1177209. [PMID: 37692414 PMCID: PMC10484106 DOI: 10.3389/fpls.2023.1177209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 08/11/2023] [Indexed: 09/12/2023]
Abstract
Secondary soil salinization in arid and semi-arid regions is a serious problem that severely hampers local agricultural productivity and poses a threat to the long-term sustainability of food production. the utilization of organic soil amendments presents a promising approach to mitigate yield losses and promote sustainable agricultural production in saline-alkali soil. In this study, we established four distinct treatments, chemical fertilizer (CK), humic acid with chemical fertilizer (HA), carboxymethyl cellulose with chemical fertilizer (CMC), and amino acid with chemical fertilizer (AA), to elucidate their respective impacts on the reclamation of saline soil and the growth of maize. The findings of our study reveal notable variations in desalination rates within the 0-40 cm soil layer due to the application of distinct soil amendments, ranging from 11.66% to 37.17%. Moreover, application of amendments significantly increased the percentage of soil macro-aggregates as compared to the CK treatment. Furthermore, HA and AA treatments significantly augmented soil nutrient content (HA: 48.07%; AA: 39.50%), net photosynthetic rate (HA: 12.68%; AA: 13.94%), intercellular CO2 concentration (HA: 57.20%; AA: 35.93%) and maize yield (HA:18.32%; AA:16.81%). Correlation analysis and structural equation modeling unveiled diverse mechanisms of yield enhancement for HA, CMC, and AA treatments. HA enhanced yield by increasing organic matter and promoting soil aggregate formation, CMC improved soil water content and facilitated salt leaching due to its excellent water-holding properties, while AA increased yield by elevating soil organic matter and effective nitrogen content. Among the array of soil amendment materials scrutinized, HA treatment emerged as the most promising agent for enhancing soil conditions and is thus recommended as the preferred choice for treating local saline soils.
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Affiliation(s)
- Yaqi Wang
- School of Agriculture, Ningxia University, Yinchuan, Ningxia, China
| | - Ming Gao
- School of Agriculture, Ningxia University, Yinchuan, Ningxia, China
| | - Heting Chen
- School of Agriculture, Ningxia University, Yinchuan, Ningxia, China
| | - Yiwen Chen
- School of Agriculture, Ningxia University, Yinchuan, Ningxia, China
| | - Lei Wang
- School of Ecology and Environment, Ningxia University, Yinchuan, Ningxia, China
| | - Rui Wang
- School of Agriculture, Ningxia University, Yinchuan, Ningxia, China
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40
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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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41
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Jaramillo-Quiceno N, Álvarez-López C, Hincapié-Llanos GA, Hincapié CA, Osorio M. Characterization of a New Silk Sericin-Based Hydrogel for Water Retention in Soil. Polymers (Basel) 2023; 15:2763. [PMID: 37447409 DOI: 10.3390/polym15132763] [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: 05/14/2023] [Revised: 06/01/2023] [Accepted: 06/09/2023] [Indexed: 07/15/2023] Open
Abstract
Hydrogel-type absorbent materials are currently a technological alternative for improving water retention in the soil and reducing nutrient loss by leaching and evaporation. This study aimed to evaluate the application of a new hydrogel based on silk sericin (SS) as a water retention material in soil. The morphology of the hydrogel was characterized using Scanning Electron Microscopy (SEM), and its impact on moisture retention in sandy loam soil (SLS) under different levels of matric pressure (MP) was evaluated. Additionally, water content data were collected over time for both SLS and SLS with hydrogel (SLS + H), and the data were used to fit predictive models. The results indicate that the hydrogel had a porous morphology that promoted water retention and soil release. Under a MP of 0.3 bar, the use of the hydrogel increased water retention by 44.70% with respect to that of SLS. The predictive models developed were adequately adjusted to the behavior of the moisture data over time and evidenced the incidence of the absorbent material on the dynamics of the moisture content in the soil. Therefore, these models could be useful for facilitating subsequent simulations or for designing automatic soil moisture control systems oriented to smart farming.
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Affiliation(s)
- Natalia Jaramillo-Quiceno
- Grupo de Investigación Sobre Nuevos Materiales, Universidad Pontificia Bolivariana, Medellín 050031, Colombia
- Grupo de Investigaciones Agroindustriales (GRAIN), Universidad Pontificia Bolivariana, Medellín 050031, Colombia
| | - Catalina Álvarez-López
- Grupo de Investigación Sobre Nuevos Materiales, Universidad Pontificia Bolivariana, Medellín 050031, Colombia
- Grupo de Investigaciones Agroindustriales (GRAIN), Universidad Pontificia Bolivariana, Medellín 050031, Colombia
| | | | - Carlos A Hincapié
- Grupo de Investigaciones Agroindustriales (GRAIN), Universidad Pontificia Bolivariana, Medellín 050031, Colombia
| | - Marisol Osorio
- Grupo de Investigación en Gestión de la Tecnología y la Innovación (GTI), Universidad Pontificia Bolivariana, Medellín 050031, Colombia
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42
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Ren L, Li W, Zhang D, Fang W, Yan D, Wang Q, Jin X, Li Y, Cao A. Silica modified copper-based alginate/chitosan hybrid hydrogel to control soil fumigant release, reduce emission and enhance bioactivity. Int J Biol Macromol 2023:125132. [PMID: 37268067 DOI: 10.1016/j.ijbiomac.2023.125132] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/08/2023] [Accepted: 05/25/2023] [Indexed: 06/04/2023]
Abstract
Soil fumigant has been extensively used for excellent efficacy on soil-borne diseases. However, rapid emission and insufficient effective duration typically limit its application. In this study, hybrid silica/polysaccharide hydrogel was proposed (SIL/Cu/DMDS) by emulsion-gelation method to encapsulate dimethyl disulfide (DMDS). The orthogonal study was used to optimize the preparation parameters for LC and EE of SIL/Cu/DMDS, which was 10.39 % and 71.05 %, respectively. Compared with silica, the time for 90 % of the total emissions was extended by 4.36 times. The hydrogel possessed a longer persistent duration and the degradation half-life of DMDS was 3.47 times greater than that of silica alone. Moreover, the electrostatic interaction between abundant groups of polysaccharide hydrogel bestowed DMDS with pH-triggered release behavior. Additionally, SIL/Cu/DMDS had excellent water holding and water retention capacity. The bioactivity of the hydrogel was 58.1 % higher than that of DMDS TC due to the strong synergistic effect between DMDS and the carriers (chitosan and Cu2+), and showed obvious biosafety to cucumber seeds. This study seeks to provide a potential approach to develop hybrid polysaccharide hydrogel to control soil fumigants release, reduce emission and enhance bioactivity in plant protection.
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Affiliation(s)
- Lirui Ren
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Wenjing Li
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Daqi Zhang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Wensheng Fang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Dongdong Yan
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Qiuxia Wang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xi Jin
- Hebei Technology Innovation Center for Green Management of Soil-borne Diseases, Baoding University, Hebei 071000, China
| | - Yuan Li
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Aocheng Cao
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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Trivedi J, Chourasia A. Sodium Salt of Partially Carboxymethylated Sodium Alginate-Graft-Poly(Acrylonitrile): II Superabsorbency, Salt Sensitivity and Swelling Kinetics of Hydrogel, H-Na-PCMSA-g-PAN. Gels 2023; 9:gels9050407. [PMID: 37232999 DOI: 10.3390/gels9050407] [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: 03/31/2023] [Revised: 04/26/2023] [Accepted: 04/27/2023] [Indexed: 05/27/2023] Open
Abstract
The water absorption measurements of a novel superabsorbent anionic hydrogel, H-Na-PCMSA-g-PAN, has been reported first time in water with a poor conductivity, 0.15 M saline (NaCl, CaCl2, and AlCl3) solutions, and simulated urine (SU) solutions at various times. The hydrogel has been prepared by the saponification of the graft copolymer, Na-PCMSA-g-PAN (%G = 316.53, %GE = 99.31). Results indicated that as compared to the swelling capacity values evaluated in water with a poor conductivity, the ability of the hydrogel to swell in various saline solutions with the same concentration is significantly reduced at all different durations. The swelling tends to be Na+ > Ca2+ > Al3+ at the same saline concentration in the solution. Studies of the absorbency in various aqueous saline (NaCl) solutions also revealed that the swelling capacity decreased as the ionic strength of the swelling medium rose, which is consistent with the experimental results and Flory's equation. Furthermore, the experimental results strongly suggested that second-order kinetics governs the swelling process of the hydrogel in various swelling media. The swelling characteristics and equilibrium water contents for the hydrogel in various swelling media have also been researched. The hydrogel samples have been successfully characterized by FTIR to show the change in chemical environment to COO- and CONH2 groups after swelling in different swelling media. The samples have also been characterized by SEM technique.
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Affiliation(s)
- Jignesh Trivedi
- Post Graduate Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388120, Gujarat State, India
| | - Arvind Chourasia
- Tridev Resins (India) Pvt. Ltd. 136/E-1, II Phase, G.I.D.C., Vapi 396195, Gujarat State, India
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44
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N'Mar S, Pauchard L, Guenoun P, Renault JP, Giorgiutti-Dauphiné F. Structuration and deformation of colloidal hydrogels. SOFT MATTER 2023; 19:3348-3356. [PMID: 37097189 DOI: 10.1039/d2sm01532c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The aim of the present paper is to determine the optimum conditions for the formation of homogeneous colloidal silica hydrogels by aggregation and drying processes, avoiding mechanical instabilities at the surface. Aggregation is controlled by adding monovalent salt to the silica nano-particle suspension while the drying of the sol is also modulated by changing the evaporation rate. A phase diagram reveals two regions in the parameter plane, ionic strength versus evaporation rate: a region where the drop undergoes an isotropic shrinkage and forms the required homogeneous gel and a region where mechanical instabilities appear due to the formation of a solid skin at the gel surface. The frontier between these two regions can be determined by equating the following two characteristic times: the gelation time and the time for skin formation. Permeability measurements of the final gel provide an estimate of the drying stress which is compared to the yield stress of the material. In accordance with the determined phase diagram, our study shows that instabilities appear when the drying stress is larger than the yield stress.
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Affiliation(s)
- S N'Mar
- Université Paris-Saclay, CNRS, FAST, 91405, Orsay, France.
| | - L Pauchard
- Université Paris-Saclay, CNRS, FAST, 91405, Orsay, France.
| | - P Guenoun
- Université Paris Saclay, UMR CEA-CNRS NIMBE, Laboratoire LIONS, CEA Saclay, Saint-Aubin, France
| | - J P Renault
- Université Paris Saclay, UMR CEA-CNRS NIMBE, Laboratoire LIONS, CEA Saclay, Saint-Aubin, France
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45
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Preparation and performance of bionanocomposites based on grafted chitosan, GO and TiO 2-NPs for removal of lead ions and basic-red 46. Carbohydr Polym 2023; 305:120571. [PMID: 36737211 DOI: 10.1016/j.carbpol.2023.120571] [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: 10/14/2022] [Revised: 12/31/2022] [Accepted: 01/06/2023] [Indexed: 01/12/2023]
Abstract
Wastewater rich in heavy metals and organic compounds represents one of the essential environmental pollutants. Therefore, a practical approach is to fabricate eco-friendly polymer-based systems with a high ability to absorb pollutants. Herein, bionanocomposites consisting of chitosan (Cs) grafted by various monomers, such as acrylamide (Am), acrylic acid (AA), and 4-styrene sulfonic acid (SSA), and hybrid nanoparticles of graphene oxide/titanium dioxide nanoparticles (GO@TiO2-NPs) were fabricated. The prepared nanomaterials and bionanocomposites characterized via various tools. The data illustrated that the prepared GO had a thickness of 10 nm and TiO2-NPs had a diameter of 25 nm. In addition, the grafted chitosan (gCs) using Am and SSA had the largest surface area (gCs2; 22.89 nm) and its bionanocomposite (NC5; 104.79 nm). In addition, the sorption ability of the 0.15 g of prepared bionanocomposites to the (100 mg/L) of lead ions (Pb2+) and (25 mg/L) of basic-red 46 (BR46) under various conditions has been studied. The results showed that gCs3 and NC5 had the highest adsorption of Pb2+ (79.54 %) and BR46 (79.98 %), respectively. The kinetic study results of the sorbents obeyed the Pseudo second-order model. In contrast, the isothermal study followed the Freundlich adsorption model for Pb2+ and the Langmuir adsorption model for BR46.
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46
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Ma L, Chai C, Wu W, Qi P, Liu X, Hao J. Hydrogels as the plant culture substrates: A review. Carbohydr Polym 2023; 305:120544. [PMID: 36737215 DOI: 10.1016/j.carbpol.2023.120544] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 12/20/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
A class of hydrophilic polymers known as "hydrogels" have extensive water content and three-dimensional crosslinked networks. Since the old period, they have been utilized as plant culture substrates to get around the drawbacks of hydroponics and soil. Numerous hydrogels, particularly polysaccharides with exceptional stability, high clarity, and low cost can be employed as plant substrates. Although numerous novel and functionalized hydrogels might assist in overcoming the drawbacks of conventional media and giving them more functions, the existing hydrogel-based plant growth substrates rarely benefit from the developments of gels in the previous few decades. Prospects include the development of new conduction techniques, the creation of potential new hydrogels, and the functionalization of the hydrogel as plant culture substrates.
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Affiliation(s)
- Lin Ma
- Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China
| | - Chunxiao Chai
- Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China
| | - Wenna Wu
- Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China
| | - Ping Qi
- Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China
| | - Xingcen Liu
- Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China
| | - Jingcheng Hao
- Key Laboratory of Colloid and Interface Chemistry (Shandong University), Ministry of Education, Jinan 250100, PR China.
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47
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Chakraborty R, Mukhopadhyay A, Paul S, Sarkar S, Mukhopadhyay R. Nanocomposite-based smart fertilizers: A boon to agricultural and environmental sustainability. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160859. [PMID: 36526196 DOI: 10.1016/j.scitotenv.2022.160859] [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] [Received: 08/22/2022] [Revised: 11/08/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
Fertilizers are indispensable agri-inputs to accomplish the growing food demand. The injudicious use of conventional fertilizer products has resulted in several environmental and human health complications. To mitigate these problems, nanocomposite-based fertilizers are viable alternative options. Nanocomposites, a novel class of materials having improved mechanical strength, barrier properties, and mechanical and thermal stability, are suitable candidates to develop eco-friendly slow/controlled release fertilizer formulations. In this review, the use of different nanocomposite materials developed for nutrient management in agriculture has been summarized with a major focus on their synthesis and characterization techniques, and application aspects in plant nutrition, along with addressing constraints and future opportunities of this domain. Further detailed studies on nanocomposite-based fertilizers are required to evaluate the cost-effective synthesis methods, in-depth field efficacy, environmental fate, stability, etc. before commercialization in the field of agriculture. The present review is expected to help the policy makers and all the stakeholders in the large-scale commercialization and application of nanocomposite-based smart fertilizer products with greater societal acceptance and environmental sustainability in near future.
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Affiliation(s)
- Ranabir Chakraborty
- Division of Soil Science and Agricultural Chemistry, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Arkadeb Mukhopadhyay
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Subhadip Paul
- Division of Soil Science and Agricultural Chemistry, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Subhasis Sarkar
- Division of Agricultural Chemicals, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Raj Mukhopadhyay
- Division of Irrigation and Drainage Engineering, ICAR-Central Soil Salinity Research Institute, Karnal 132001, Haryana, India.
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48
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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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49
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Jacobs M, Tian Y, Dobrynin AV. Deformation Driven Deswelling of Brush Gels. Macromolecules 2023. [DOI: 10.1021/acs.macromol.2c02385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- Michael Jacobs
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, United States
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37830, United States
| | - Yuan Tian
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, United States
| | - Andrey V. Dobrynin
- Department of Chemistry, University of North Carolina, Chapel Hill, North Carolina 27599-3290, United States
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50
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Saruchi, Kumar V, Ghfar AA, Pandey S. Controlled release of harmful pesticide dichlorvos through synthesized biodegradable aloe vera–acrylic acid-based hydrogel and its utilization in soil water management. J Anal Sci Technol 2023. [DOI: 10.1186/s40543-023-00374-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
AbstractThe present work deals with the synthesis of biodegradable hydrogel of a natural polysaccharide aloe vera and vinyl monomer acrylic acid. In this synthesis, ammonium persulfate–glutaraldehyde was used as initiator-cross-linker system, acrylic acid as monomer and aloe vera as backbone. Grafting was confirmed by different techniques like SEM, FT-IR, XRD and EDS. Maximum percentage swelling of synthesized hydrogel was found to be 756%. Biodegradation behavior of synthesized hydrogel [Av-cl-poly(AA)] was studied by soil burial, composting and vermicomposting methods. Maximum biodegradation was found to be 90%, 94% and 93% in case of soil burial, composting and vermicomposting methods, respectively. Biodegradation of Av-cl-poly(AA) was confirmed by FT-IR and SEM techniques. Water retention capacity was prolonged from 11 to 20 days using synthesized Av-cl-poly(AA). Water content of clay soil and sandy loam soil was increased to an extent of 6.1% and 5.79%, respectively. Synthesized Av-cl-poly(AA) has been found to be effective in sustained release of harmful pesticide dichlorvos. The results showed that maximum release of dichlorvos was found to be 1024.34 ppm after 44 h.
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