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Jiang X, Yang F, Jia W, Jiang Y, Wu X, Song S, Shen H, Shen J. Nanomaterials and Nanotechnology in Agricultural Pesticide Delivery: A Review. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 39177444 DOI: 10.1021/acs.langmuir.4c01842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
Pesticides play a crucial role in ensuring food production and food security. Conventional pesticide formulations can not meet the current needs of social and economic development, and they also can not meet the requirements of green agriculture. Therefore, there is an urgent need to develop efficient, stable, safe, and environmentally friendly pesticide formulations to gradually replace old formulations which have high pollution and low efficacy. The rise of nanotechnology provides new possibilities for innovation in pesticide formulations. Through reasonable design and construction of an environmentally friendly pesticide delivery system (PDS) based on multifunctional nanocarriers, the drawbacks of conventional pesticides can be effectively solved, realizing a water-based, nanosized, targeted, efficient, and safe pesticide system. In the past five years, researchers in chemistry, materials science, botany, entomology, plant protection, and other fields are paying close attention to the research of nanomaterials based PDSs and nanopesticide formulations and have made certain research achievements. These explorations provide useful references for promoting the innovation of nanopesticides and developing a new generation of green and environmentally friendly pesticide formulations. This Perspective summarizes the recent advances of nanomaterials in PDSs and nanopesticide innovation, aiming to provide useful guidance for carrier selection, surface engineering, controlled release conditions, and application in agriculture.
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Affiliation(s)
- Xuefeng Jiang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Fang Yang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - Wei Jia
- Jiangsu Yangnong Chemical Co., Ltd., Yangzhou, 225009, China
| | - Youfa Jiang
- Jiangsu Yangnong Chemical Co., Ltd., Yangzhou, 225009, China
| | - Xiaoju Wu
- Jiangsu Yangnong Chemical Co., Ltd., Yangzhou, 225009, China
| | - Saijie Song
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
| | - He Shen
- Tianjin Key Laboratory of Biomedical Materials, Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China
| | - Jian Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, China
- Jiangsu Engineering Research Center of Interfacial Chemistry, Nanjing University, Nanjing, 210023, China
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Xu P, Liu J, Yi Y, Cai Z, Yin Y, Cai W, Zhang J, Gong Z, Xiao Y. A dew-responsive pectin-based herbicide for enhanced photodynamic inactivation. Carbohydr Polym 2024; 336:122114. [PMID: 38670775 DOI: 10.1016/j.carbpol.2024.122114] [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: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024]
Abstract
5-aminolevulinic acid (5-ALA) has been fully demonstrated as a biodegradable, without resistance, and pollution-free pesticide. However, the lack of targeting and the poor adhesion result in a low utilization rate, limiting its practical application. Herein, a dew-responsive polymer pro-pesticide Pec-hyd-ALA was successfully synthesized by grafting 5-ALA onto the pectin (PEC) backbone via acid-sensitive acylhydrazone bonds. When the pro-pesticide is exposed to acid dew on plant surfaces at night, 5-ALA is released and subsequently converted to photosensitize (Protoporphyrin IX, PpIX)in plant cells, leading to its accumulation and promoting photodynamic inactivation (PDI). An inverted fluorescence microscope has verified the accumulation of tetrapyrrole in plant cells. In addition, the highly bio-adhesive PEC backbone effectively improved the wetting and retention of 5-ALA on leaves. The pot experiment also demonstrated the system's control effect on barnyard grass. This work provides a promising approach to improving the herbicidal efficacy of 5-ALA.
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Affiliation(s)
- Peiyu Xu
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Wuhan University of Technology Weihai Research Institute, Weihai 264300, Shandong, PR China
| | - Jing Liu
- Renmin Hospital of Wuhan University, Wuhan 430060, PR China
| | - Ying Yi
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Wuhan University of Technology Weihai Research Institute, Weihai 264300, Shandong, PR China
| | - Zhi Cai
- School of Life Science and Technology, Wuhan Polytechnic University, Wuhan 430023, PR China.
| | - Yihua Yin
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Wuhan University of Technology Weihai Research Institute, Weihai 264300, Shandong, PR China.
| | - Weiquan Cai
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, PR China
| | - Jingli Zhang
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, PR China
| | - Zhixia Gong
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Wuhan University of Technology Weihai Research Institute, Weihai 264300, Shandong, PR China
| | - Yaqi Xiao
- School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, PR China; Wuhan University of Technology Weihai Research Institute, Weihai 264300, Shandong, PR China
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Wang L, Lu S, Liu Y, Lu H, Zheng M, Zhou Z, Cao F, Yang Y, Fang Z. Differential impacts of porous starch versus its octenyl succinic anhydride-modified counterpart on naringin encapsulation, solubilization, and in vitro release. Int J Biol Macromol 2024; 273:132746. [PMID: 38821310 DOI: 10.1016/j.ijbiomac.2024.132746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 05/26/2024] [Accepted: 05/28/2024] [Indexed: 06/02/2024]
Abstract
The aim of this work was to evaluate the potentials of porous starch (PS) and its octenyl succinic anhydride modified product (OSAPS) as efficient carriers for loading naringin (NA), focusing on encapsulation efficiency (EE, the percentage of adsorbed naringin relative to its initial amount), drug loading (DL, the percentage of naringin in the complex), structural alterations, solubilization and in vitro release of NA using unmodified starch (UMS) and NA as controls. Both the pore diameter and SBET value of PS decreased after esterification with OSA, and a thinner strip-shaped NA (∼145 nm) was observed in the OSAPS-NA complex and (∼150 nm) in the PS-NA complex. OSAPS exhibited reduced short-range ordered structure, as indicated by a lower R1047/1022 (0.73) compared to PS (0.77). Meanwhile, lowest crystallinity (12.81 %) of NA was found in OSAPS-NA. OSAPS-NA exhibited higher EE and DL for NA than PS-NA and a significant increase in NA saturated solubility in deionized water (by 11.63-fold) and simulated digestive fluids (by 24.95-fold) compared to raw NA. OSAPS contained higher proportions of slowly digestible starch and exhibited a lower digestion rate compared to PS, resulting in a longer time for NA release from its complex during the digestion.
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Affiliation(s)
- Lu Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Shengmin Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China.
| | - Yinying Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; School of Agriculture and Food, The University of Melbourne, Parkville, Vic 3010, Australia.
| | - Hanyu Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China; School of Agriculture and Food, The University of Melbourne, Parkville, Vic 3010, Australia
| | - Meiyu Zheng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Zhongjing Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Feng Cao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Ying Yang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Provincial Key Laboratory of Fruit and Vegetables Postharvest and Processing Technology Research, Ministry of Agriculture and Rural Affairs Key Laboratory of Post-Harvest Handling of Fruits, Institute of Food Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Zhongxiang Fang
- School of Agriculture and Food, The University of Melbourne, Parkville, Vic 3010, Australia.
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You C, Lin H, Ning L, Ma N, Wei W, Ji X, Wei S, Xu P, Zhang D, Wang F. Advances in the Design of Functional Cellulose Based Nanopesticide Delivery Systems. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:11295-11307. [PMID: 38717296 DOI: 10.1021/acs.jafc.4c00698] [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: 05/23/2024]
Abstract
The advancement of science and technology, coupled with the growing environmental consciousness among individuals, has led to a shift in pesticide development from traditional methods characterized by inefficiency and misuse toward a more sustainable and eco-friendly approach. Cellulose, as the most abundant natural renewable resource, has opened up a new avenue in the field of biobased drug carriers by developing cellulose-based drug delivery systems. These systems offer unique advantages in terms of deposition rate enhancement, modification facilitation, and environmental impact reduction when designing nanopesticides. Consequently, their application in the field of nanoscale pesticides has gained widespread recognition. The present study provides a comprehensive review of cellulose modification methods, carrier types for cellulose-based nanopesticides delivery systems (CPDS), and various stimulus-response factors influencing pesticide release. Additionally, the main challenges in the design and application of CPDS are summarized, highlighting the immense potential of cellulose-based materials in the field of nanopesticides.
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Affiliation(s)
- Chaoqun You
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Hanchen Lin
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Like Ning
- Department of Cell Biology, School of Basic Medical Sciences, Nanjing Medical University, Nanjing 211166, Jiangsu P. R. China
| | - Ning Ma
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Wei Wei
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Xinyue Ji
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Shuangyu Wei
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Peng Xu
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Daihui Zhang
- Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing 210042, P. R. China
| | - Fei Wang
- Jiangsu Co-Innovation Centre of Efficient Processing and Utilization of Forest Resources, Jiangsu Key Lab for the Chemistry and Utilization of Agro-Forest Biomass, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P. R. China
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Dhiman A, Thaper P, Bhardwaj D, Agrawal G. Biodegradable Dextrin-Based Microgels for Slow Release of Dual Fertilizers for Sustainable Agriculture. ACS APPLIED MATERIALS & INTERFACES 2024; 16:11860-11871. [PMID: 38410836 DOI: 10.1021/acsami.3c16670] [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: 02/28/2024]
Abstract
In this research, we report dextrin-based biodegradable microgels (PDXE MGs) having phosphate-based cross-linking units for slow release of urea and a potential P source to improve fertilization. PDXE MGs (∼200 nm) are synthesized by cross-linking the lauroyl-functionalized dextrin chains with sodium tripolyphosphate. The developed PDXE MGs exhibit high loading (∼10%) and encapsulation efficiency (∼88%) for urea. It is observed that functionalization of PDXE MGs with lauroyl chains slows down the release of urea (90% in ∼24 days) as compared to nonfunctionalized microgels (PDX MGs) (99% in ∼17 days) in water. Further studies of the developed formulation display that Urea@PDXE MGs significantly boost maize seed germination and overall plant growth as compared to pure urea fertilizer. Moreover, analysis of maize leaves obtained from plants treated with Urea@PDXE MGs reveals 3.5 ± 0.3% nitrogen content and 90 ± 0.7 mg/g chlorophyll content. These values are significantly higher than 1.4 ± 0.6% nitrogen content and 48 ± 0.05 mg/g chlorophyll content obtained by using bare urea. Further, acid phosphatase activity in roots is reduced upon treatment with PDXE MGs and Urea@PDXE MGs, suggesting the availability of P upon degradation of PDXE MGs by the amylase enzyme in soil. These experimental results present the developed microgel-based biodegradable formulation with a slow release feature as a potential candidate to move toward sustainable agriculture practices.
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Affiliation(s)
- Ankita Dhiman
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology, Mandi, Himachal Pradesh 175075, India
| | - Piyush Thaper
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology, Mandi, Himachal Pradesh 175075, India
| | - Dimpy Bhardwaj
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology, Mandi, Himachal Pradesh 175075, India
| | - Garima Agrawal
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology, Mandi, Himachal Pradesh 175075, India
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Fang Y, Xie Z, Zhang H, Xiong Q, Yu B, Cheng J, Shang W, Zhao J. Near-infrared-responsive CuS@Cu-MOF nanocomposite with high foliar retention and extended persistence for controlling strawberry anthracnose. J Control Release 2024; 367:837-847. [PMID: 38346502 DOI: 10.1016/j.jconrel.2024.02.012] [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: 11/10/2023] [Revised: 02/02/2024] [Accepted: 02/09/2024] [Indexed: 02/18/2024]
Abstract
Strawberry anthracnose (Colletotrichum gloeosporioides) exhibits a high pathogenicity, capable of directly infecting leaves through natural openings, resulting in devastating impacts on strawberries. Here, nanocomposite (CuS@Cu-MOF) was prepared with a high photothermal conversion efficiency of 35.3% and a strong response to near-infrared light (NIR) by locally growing CuS nanoparticles on the surface of a copper-based metal-organic framework (Cu-MOF) through in situ sulfurization. The porosity of Cu-MOF facilitated efficient encapsulation of the pesticide difenoconazole within CuS@Cu-MOF (DIF/CuS@Cu-MOF), achieving a loading potential of 19.18 ± 1.07%. Under NIR light irradiation, DIF/CuS@Cu-MOF showed an explosive release of DIF, which was 2.7 times higher than that under dark conditions. DIF/CuS@Cu-MOF exhibited a 43.9% increase in efficacy against C. gloeosporioides compared to difenoconazole microemulsion (DIF ME), demonstrating prolonged effectiveness. The EC50 values for DIF and DIF/CuS@Cu-MOF were 0.219 and 0.189 μg/mL, respectively. Confocal laser scanning microscopy demonstrated that the fluorescently labeled CuS@Cu-MOF acted as a penetrative carrier for the uptake of hyphae. Furthermore, DIF/CuS@Cu-MOF exhibited more substantial resistance to rainwater wash-off than DIF ME, with retention levels on the surfaces of cucumber leaves (hydrophilicity) and peanut leaves (hydrophobicity) increasing by 36.5-fold and 9.4-fold, respectively. These findings underscore the potential of nanocomposite to enhance pesticide utilization efficiency and leaf retention.
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Affiliation(s)
- Yun Fang
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Zhengang Xie
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Haonan Zhang
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Qiuyu Xiong
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Bin Yu
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Jingli Cheng
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Wenxuan Shang
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China
| | - Jinhao Zhao
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insect Pests, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, PR China.
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Neethu Das P, Govind Raj K. Chitosan coated graphene oxide incorporated sodium alginate hydrogel beads for the controlled release of amoxicillin. Int J Biol Macromol 2024; 254:127837. [PMID: 37923036 DOI: 10.1016/j.ijbiomac.2023.127837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/07/2023]
Abstract
Biopolymers are crucial in pharmaceuticals, particularly for controlled drug release. In this study, we loaded the broad-spectrum antibacterial drug amoxicillin into sodium alginate, a well-known biopolymer. Graphene oxide was incorporated into the composite, and the hydrogel beads were coated with chitosan for its mucoadhesive properties. Various composites were formulated by adjusting the weight percentage of graphene oxide (GO). The fabricated beads demonstrated controlled and sustained drug release, with 98 % of the loaded drug molecules released over 24 h at gastric pH. The antibacterial test using the disc diffusion technique confirmed the drug release, exhibiting greater effectiveness against the gram-positive bacterium S. aureus than the gram-negative bacterium E. coli. The drug release data were optimized using zero order, first order, Higuchi, and Korsmeyer-Peppas models. The experimental data were best fit to the Korsmeyer-Peppas model with a relatively higher correlation coefficient value. Biocompatibility was evaluated through a cell viability test using mouse fibroblast cell lines (L929). The MTT viability assay confirmed high levels of cytocompatibility, even at higher concentrations (100 μg/mL), with 98.15 % viable cells. These results highlight the potential of the fabricated beads as an effective amoxicillin drug delivery system with biomedical applications.
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Affiliation(s)
- P Neethu Das
- Department of Chemistry, Malabar Christian College, Calicut, Kerala 673001, India
| | - K Govind Raj
- Department of Chemistry, Malabar Christian College, Calicut, Kerala 673001, India.
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Pellá MCG, Simão AR, Pereira GM, Rubira AF. Hydrolysis effects on the water uptake of starch-g-glycidyl methacrylate ( GMASt)/dimethylacrylamide (DMAAm)-based hydrogels for potential agricultural purposes. Int J Biol Macromol 2023; 253:127654. [PMID: 37884240 DOI: 10.1016/j.ijbiomac.2023.127654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 10/19/2023] [Accepted: 10/23/2023] [Indexed: 10/28/2023]
Abstract
This work assessed the effect of different hydrolysis periods on the properties of hydrogels based on 75 % w w-1 of N,N'-dimethyl acrylamide (DMAAm) and 25 % w w-1 of starch-g-(glycidyl methacrylate) (GMASt). FTIR results confirmed the conversion of ester groups into carboxylic acids and carboxylates, besides forming a keto-enol tautomer due to the peeling reaction of starch. For DMAAm, the hydrolysis mostly converted amide into carboxylate groups. The morphology, thermal stability, and the mechanical properties of the predominantly amorphous matrices (as confirmed by XRD results) did not drastically change even after 10 days of hydrolysis in alkali media. However, the thermogravimetric analysis results suggested that DMAAm partially protected GMASt from the hydrolysis. The swelling degree of the matrix increased from (10.1 ± 2.1) g g-1 to (61.9 ± 2.6) g g-1 after 1 day of hydrolysis, but no statistical differences (at 95 % of significance) were observed for the matrices hydrolyzed for longer periods, confirming that the maximum hydrolysis occurred within 24 h. The results confirmed that the hydrolysis increased the water uptake of the GMASt/DMAAm-based matrices, making appealing for uses as a water retentor for agricultural purposes.
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Affiliation(s)
| | - Andressa Renatta Simão
- Department of Chemistry, State University of Maringa, 5790, Av. Colombo, Maringa, Parana 87020-900, Brazil
| | - Guilherme Miranda Pereira
- Department of Sciences, State University of Maringa, 5790, Av. Reitor Zeferino Vaz, Goioere, Parana 87360-000, Brazil
| | - Adley Forti Rubira
- Department of Chemistry, State University of Maringa, 5790, Av. Colombo, Maringa, Parana 87020-900, Brazil.
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Bora A, Sarmah D, Karak N. Cellulosic wastepaper modified starch/ itaconic acid/ acrylic acid-based biodegradable hydrogel as a sustain release of NPK fertilizer vehicle for agricultural applications. Int J Biol Macromol 2023; 253:126555. [PMID: 37659498 DOI: 10.1016/j.ijbiomac.2023.126555] [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: 05/29/2023] [Revised: 08/09/2023] [Accepted: 08/23/2023] [Indexed: 09/04/2023]
Abstract
In this work, wastepaper powder was used as a modifying agent for a biodegradable hydrogel composite of starch, itaconic acid, and acrylic acid. After the addition of an optimum amount of the modifying agent, the swelling ability of the hydrogel was enhanced from 503 g/g to 647 g/g. Further, the hydrogel was also used for sustained release of NPK fertilizer and subsequent effect of the fertilizer loaded hydrogel in okra seed germination was also studied. The NPK loaded-hydrogel showed good sustained-release behavior and 98 % of N, 81 % of P and 95 % of K release were observed after 20th day of incubation. Moreover, the release study was explained by using different kinetic models. In seed germination study, a higher and faster germination rate for okra seeds was observed in case of NPK loaded hydrogel compared to the control system, which was attributed to the synergistic effect of essential macronutrients (N, P, and K) and water that were inside the hydrogel. Most importantly, the hydrogel was found to be biodegradable by using soil burial method and further confirmed by FTIR and SEM analyses. Thus, this work provides an efficient way for utilization of wastepaper in the production of a biodegradable hydrogel for agricultural applications.
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Affiliation(s)
- Ashok Bora
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, 784028 Tezpur, Assam, India
| | - Dimpee Sarmah
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, 784028 Tezpur, Assam, India
| | - Niranjan Karak
- Advanced Polymer and Nanomaterial Laboratory (APNL), Department of Chemical Sciences, Tezpur University, Napaam, 784028 Tezpur, Assam, India.
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Du F, Liu L, Pan Y, Wu C, Wang R, Zhao Z, Fan W, Song H, Shi Y, Wang J. A novel biochar-based composite hydrogel for removing heavy metals in water and alleviating cadmium stress in tobacco seedlings. Sci Rep 2023; 13:15656. [PMID: 37730828 PMCID: PMC10511474 DOI: 10.1038/s41598-023-41946-0] [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: 01/03/2023] [Accepted: 09/04/2023] [Indexed: 09/22/2023] Open
Abstract
A novel composite hydrogel (AM/CMC/B) synthesized from peanut shell biochar effectively adsorbs heavy metal Cd in water and reduces its toxicity to tobacco seedlings. The hydrogel, prepared via hydrothermal polymerization using acrylamide (AM), carboxymethyl cellulose (CMC), and peanut shell biochar (B), exhibited a maximum adsorption capacity of 164.83 mg g-1 for Cd2+ and followed a pseudo-second-order kinetic model. In pot experiments, the application of exogenous AM/CMC/B mitigated the inhibitory effects of Cd-contaminated soil on tobacco seedling growth. Addition of 10 mg kg-1 Cd resulted in improved phenotype, root system development, enhanced photosynthetic capacity, stomatal conductance (Gs), stomatal number, and increased antioxidant activity while reducing MDA content and leaf cell death. These findings highlight the potential of AM/CMC/B as an environmentally friendly adsorbent for Cd removal from water and for reducing Cd stress toxicity in tobacco and other plants.
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Affiliation(s)
- Fu Du
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Liping Liu
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Yong Pan
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Chuang Wu
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Ronghao Wang
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Zeyu Zhao
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Wenpeng Fan
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Hao Song
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China
| | - Youzhi Shi
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China.
| | - Jian Wang
- China Tobacco Hubei Industrial LLC, Wuhan, 430040, China.
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11
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Dhiman A, Bhardwaj D, Goswami K, Agrawal G. Biodegradable redox sensitive chitosan based microgels for potential agriculture application. Carbohydr Polym 2023; 313:120893. [PMID: 37182935 DOI: 10.1016/j.carbpol.2023.120893] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/24/2023] [Accepted: 04/06/2023] [Indexed: 05/16/2023]
Abstract
In this work, we report redox sensitive, 2,3-dihydroxybenzoic acid (DH) functionalized chitosan/stearic acid microgels (DH-ChSt MGs) for controlled delivery of insecticide and capturing of heavy metal ions. DH-ChSt MGs (≈146 nm) are prepared by disulfide crosslinking of SH functionalized chitosan and stearic acid rendering them biodegradable. DH-ChSt MGs exhibit high loading (≈8 %) and encapsulation (≈85 %) efficiency for imidacloprid insecticide, and offer its prolonged release (≈75 % after 133 h) under reducing conditions. Functionalization with DH provides enhanced foliar adhesion on pea leaves. DH-ChSt MGs also bind Fe3+ very efficiently due to the strong chelation of Fe3+ by DH, offering the opportunity of supplying Fe3+ nutrient for plant care. MTT assay results using different cells confirm that DH-ChSt MGs are nontoxic up to the experimental concentration of 120 μg/mL. Additionally, reduced DH-ChSt MGs having free thiol groups are also capable of binding heavy metal ions, thus presenting the reported formulation as a promising platform for agriculture application.
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Affiliation(s)
- Ankita Dhiman
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
| | - Dimpy Bhardwaj
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
| | - Kajal Goswami
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India
| | - Garima Agrawal
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, Himachal Pradesh 175075, India.
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12
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Polyakov V, Bauer T, Butova V, Minkina T, Rajput VD. Nanoparticles-Based Delivery Systems for Salicylic Acid as Plant Growth Stimulator and Stress Alleviation. PLANTS (BASEL, SWITZERLAND) 2023; 12:1637. [PMID: 37111860 PMCID: PMC10146285 DOI: 10.3390/plants12081637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 06/19/2023]
Abstract
The population growth tendency leads to an increase in demand for food products, and in particular, products obtained from the processing of plants. However, there are issues of biotic and abiotic stresses that can significantly reduce crop yields and escalate the food crisis. Therefore, in recent years, the development of new methods of plant protection became an important task. One of the most promising ways to protect plants is to treat them with various phytohormones. Salicylic acid (SA) is one of the regulators of systemic acquired resistance (SAR) signaling pathways. These mechanisms are able to protect plants from biotic and abiotic stresses by increasing the expression of genes that encode antioxidant enzymes. However, salicylic acid in high doses can act as an antagonist and have the negative rebound effect of inhibition of plant growth and development. To maintain optimal SA concentrations in the long term, it is necessary to develop systems for the delivery and slow release of SA in plants. The purpose of this review is to summarize and study methods of delivery and controlled release of SA in a plant. Various carriers-based nanoparticles (NPs) synthesized from both organic and inorganic compounds, their chemical structure, impacts on plants, advantages, and disadvantages are comprehensively discussed. The mechanisms of controlled release of SA and the effects of the use of the considered composites on the growth and development of plants are also described. The present review will be helpful to design or fabricate NPs and NPs-based delivery systems for salicylic acid-controlled release and better understating of the mechanism of SA-NPs interaction to alleviate stress on plants.
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Affiliation(s)
- Vladimir Polyakov
- The Smart Materials Research Institute, Southern Federal University, 344090 Rostov-on-Don, Russia
| | - Tatiana Bauer
- Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia
| | - Vera Butova
- The Smart Materials Research Institute, Southern Federal University, 344090 Rostov-on-Don, Russia
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Tatiana Minkina
- Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia
| | - Vishnu D. Rajput
- Academy of Biology and Biotechnology, Southern Federal University, 344090 Rostov-on-Don, Russia
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13
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Dhiman A, Sharma AK, Bhardwaj D, Agrawal G. Biodegradable dual stimuli responsive alginate based microgels for controlled agrochemicals release and soil remediation. Int J Biol Macromol 2023; 228:323-332. [PMID: 36572087 DOI: 10.1016/j.ijbiomac.2022.12.225] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/30/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Abstract
To meet the growing food demand of increasing world population while reducing the harmful environmental effects of agrochemicals, development of smart nanoformulation is of prime importance. Herein, dual stimuli responsive alginate based microgels (OAlgDP MGs) (≈160 nm) are developed for controlled release of agrochemicals and soil remediation. These microgels are prepared using octyl amine functionalized alginate which is crosslinked by 3, 3'-dithiopropionohydrazide crosslinker providing both hydrazone and disulfide bonds in microgels network. OAlgDP MGs are further loaded with hydrophobic diuron herbicide displaying ≈85 % encapsulation efficiency. Sustained release of diuron is obtained in 2 mM GSH (≈100 % after 380 h) and at pH 5 (≈72 % after 240 h). Furthermore, OAlgDP MGs are nontoxic up to 150 μg/mL against HEK293T cells while their reduced form is capable of capturing the heavy metal ions (Cu2+ and Hg2+) showing the potential of the developed system for moving toward sustainable agriculture.
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Affiliation(s)
- Ankita Dhiman
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, H.P. 175075, India
| | - Amit Kumar Sharma
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, H.P. 175075, India
| | - Dimpy Bhardwaj
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, H.P. 175075, India
| | - Garima Agrawal
- School of Chemical Sciences and Advanced Materials Research Centre, Indian Institute of Technology Mandi, H.P. 175075, India.
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14
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Nath PC, Debnath S, Sharma M, Sridhar K, Nayak PK, Inbaraj BS. Recent Advances in Cellulose-Based Hydrogels: Food Applications. Foods 2023; 12:foods12020350. [PMID: 36673441 PMCID: PMC9857633 DOI: 10.3390/foods12020350] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023] Open
Abstract
In the past couple of years, cellulose has attracted a significant amount of attention and research interest due to the fact that it is the most abundant and renewable source of hydrogels. With increasing environmental issues and an emerging demand, researchers around the world are focusing on naturally produced hydrogels in particular due to their biocompatibility, biodegradability, and abundance. Hydrogels are three-dimensional (3D) networks created by chemically or physically crosslinking linear (or branching) hydrophilic polymer molecules. Hydrogels have a high capacity to absorb water and biological fluids. Although hydrogels have been widely used in food applications, the majority of them are not biodegradable. Because of their functional characteristics, cellulose-based hydrogels (CBHs) are currently utilized as an important factor for different aspects in the food industry. Cellulose-based hydrogels have been extensively studied in the fields of food packaging, functional food, food safety, and drug delivery due to their structural interchangeability and stimuli-responsive properties. This article addresses the sources of CBHs, types of cellulose, and preparation methods of the hydrogel as well as the most recent developments and uses of cellulose-based hydrogels in the food processing sector. In addition, information regarding the improvement of edible and functional CBHs was discussed, along with potential research opportunities and possibilities. Finally, CBHs could be effectively used in the industry of food processing for the aforementioned reasons.
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Affiliation(s)
- Pinku Chandra Nath
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Shubhankar Debnath
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Minaxi Sharma
- Haute Ecole Provinciale de Hainaut-Condorcet, 7800 Ath, Belgium
| | - Kandi Sridhar
- Department of Food Technology, Karpagam Academy of Higher Education, Coimbatore 641021, India
| | - Prakash Kumar Nayak
- Department of Food Engineering and Technology, Central Institute of Technology Kokrajhar, Kokrajhar 783370, India
- Correspondence: (P.K.N.); or (B.S.I.)
| | - Baskaran Stephen Inbaraj
- Department of Food Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
- Correspondence: (P.K.N.); or (B.S.I.)
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15
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Wan M, Zhao Y, Li H, Zou X, Sun L. pH and NIR responsive polydopamine-doped dendritic silica carriers for pesticide delivery. J Colloid Interface Sci 2022; 632:19-34. [DOI: 10.1016/j.jcis.2022.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/06/2022] [Accepted: 11/02/2022] [Indexed: 11/16/2022]
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16
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Zhao Y, Li Y, Jin Y, Cui T, Wang S, Kong F. The inhibitory effects of Ulva prolifera extracts on early growth of Spartina alterniflora and the underlying mechanisms. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 319:115639. [PMID: 35834854 DOI: 10.1016/j.jenvman.2022.115639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 06/26/2022] [Accepted: 06/26/2022] [Indexed: 06/15/2023]
Abstract
Spartina alterniflora, a highly invasive plant, has caused a serious threat to ecosystem biodiversity and economic development in coastal areas of many countries. In this study, the allelopathic effect of Ulva prolifera extracts on seed germination and seedling growth of S. alterniflora was studied. The results showed that three different treatments (water, methanol and ethyl acetate extract) could inhibit the seed germination and seedling growth of S. alterniflora by reducing the germination proportion and germination index of seeds, decreasing the seedling length and root length of seedlings, and affecting the lipid peroxidation and enzyme activity. The higher the concentration of the extracts, the higher the inhibition effect. When the aqueous extract concentration reached 0.20 g/mL, the germination proportion of S. alterniflora decreased to 49.53% of the control. RNA-seq analysis showed that the expression of genes related to amino acid metabolism and photosynthesis were both upregulated, and genes related to energy generation and metabolism were both downregulated after adding the extracts. GC-MS analysis indicated that the U. prolifera extract was rich in organic acids, alcohols and esters, among which butanoic acid, butyl ester, Valine and Hexanedioic acid, bis (2-ethylhexyl) ester might be the dominant allelochemicals. In order to facilitate field dosing, prolong action time and control release effect, PVA/SA hydrogel embedded U. prolifera extract was used to obtain a sustained-release agent. In addition, the survival rate of S. alterniflora was significantly reduced, which was only 21.67% at the salinity of 30 ppt. The results of this study provide a feasible method for controlling the invasion of S. alterniflora and achieving the waste utilization of U. prolifera.
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Affiliation(s)
- Yan Zhao
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China; Carbon Neutrality and Eco-Environmental Technology Innovation Center of Qingdao, Qingdao, 266071, China
| | - Yue Li
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China; Carbon Neutrality and Eco-Environmental Technology Innovation Center of Qingdao, Qingdao, 266071, China
| | - Yan Jin
- Institute of Organ Donation and Transplantation, Qingdao University Medicine College, Qingdao, 266071, China
| | - Tao Cui
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China; Carbon Neutrality and Eco-Environmental Technology Innovation Center of Qingdao, Qingdao, 266071, China
| | - Sen Wang
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China; Carbon Neutrality and Eco-Environmental Technology Innovation Center of Qingdao, Qingdao, 266071, China.
| | - Fanlong Kong
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China; Carbon Neutrality and Eco-Environmental Technology Innovation Center of Qingdao, Qingdao, 266071, China.
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17
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Deng Y, Xi J, Meng L, Lou Y, Seidi F, Wu W, Xiao H. Stimuli-Responsive Nanocellulose Hydrogels: An Overview. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Dutta S, Pal S, Panwar P, Sharma RK, Bhutia PL. Biopolymeric Nanocarriers for Nutrient Delivery and Crop Biofortification. ACS OMEGA 2022; 7:25909-25920. [PMID: 35936412 PMCID: PMC9352165 DOI: 10.1021/acsomega.2c02494] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 07/07/2022] [Indexed: 05/17/2023]
Abstract
Driven by the possibility of precise transformational change in nutrient-enrichment technology to meet global food demand, advanced nutrient delivery strategies have emerged to pave the path toward success for nutrient enrichment in edible parts of crops through bioderived nanocarriers with increased productivity. Slow and controlled release of nutrient carrier materials influences the nutrient delivery rate in soil and in the edible parts of crops with a sluggish nutrient delivery to enhance their availability in roots by minimizing nutrient loss. With a limited understanding of the nutrient delivery mechanism in soil and the edible parts of crops, it is envisaged to introduce nutrient-enrichment technology for nutrient delivery that minimizes environmental impact due to its biodegradable nature. This article attempts to analyze the possible role of the cellulose matrix for nutrient release and the role of cellulose nanocomposites and nanofibers. We have proposed a few cellulose derived biofortificant materials as nutrient carriers, such as (1) nanofibers, (2) polymer-nanocellulose-clay composites, (3) silk-fibroin derived nanocarriers, and (4) carboxymethyl cellulose. An effort is undertaken to describe the research need by linking a biopolymer derived nanocarrier for crop growth regulation and experimental nitrogen release analysis. We have finally provided a perspective on cellulose nanofibers (CNFs) for microcage based nutrient loading ability. This article aims to explain why biopolymer derived nutrient carriers are the alternative candidate for alleviating nutrient deficiency challenges which are involved in focusing the nutrient delivery profile of biopolymers and promising biofortification of crops.
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Affiliation(s)
- Saikat Dutta
- Electrochemical
Energy & Sensor Research Laboratory, Amity Institute of Click
Chemistry Research & Studies, Amity
University, Noida 201303, India
| | - Sharmistha Pal
- Research
Center, ICAR-Indian Institute of Soil &
Water Conservation, Sector 27 A Madhya Marg, Chandigarh 160019, India
| | - Pankaj Panwar
- Research
Center, ICAR-Indian Institute of Soil &
Water Conservation, Sector 27 A Madhya Marg, Chandigarh 160019, India
| | - Rakesh K. Sharma
- Sustainable
Materials and Catalysis Research Laboratory (SMCRL), Department of
Chemistry, Indian Institute of Technology
Jodhpur, Jodhpur 342037, Rajasthan, India
| | - Pempa Lamu Bhutia
- Division
of Agroforestry, Indian Council of Agriculture
Research (ICAR), Research Complex for NEH Region, Nagaland Centre, Umiam, Nagaland 797106, India
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19
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Zheng L, Seidi F, Liu Y, Wu W, Xiao H. Polymer-based and stimulus-responsive carriers for controlled release of agrochemicals. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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20
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Yuan Z, Ding J, Zhang Y, Huang B, Song Z, Meng X, Ma X, Gong X, Huang Z, Ma S, Xiang S, Xu W. Components, mechanisms and applications of stimuli-responsive polymer gels. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Xi L, Zhang M, Zhang L, Lew TTS, Lam YM. Novel Materials for Urban Farming. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2105009. [PMID: 34668260 DOI: 10.1002/adma.202105009] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 08/31/2021] [Indexed: 05/27/2023]
Abstract
Scarcity of natural resources, shifting demographics, climate change, and increasing waste are four major challenges in the quest to feed the exploding world population. These challenges serve as the impetus to harness novel technologies to improve agriculture, productivity, and sustainability. Urban farming has several advantages over conventional farming: higher productivity, improved sustainability, and the ability to provide fresh food all year round. Novel materials are key to accelerating the evolution of urban farming - with their ability to facilitate controlled release of nutrients and pesticides, improved seed health, substrates with better water retention capability, more efficient recycling of agricultural waste, and precise plant health monitoring. Materials science enables environmental sustainability and higher harvest yields in urban farms. Here, Singapore is used as an example of a land-scarce city where urban farming may be the solution for future food production. Potential research directions and challenges in urban farming are highlighted, and how material optimization and innovation drive the development of urban farming to meet national and global food demands is briefly discussed. This review serves as a guide for researchers and a reference for stakeholders of urban farms, policy makers, and other interested parties.
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Affiliation(s)
- Lifei Xi
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
- Facility for Analysis, Characterisation, Testing and Simulation (FACTS), Nanyang Technological University, Singapore, 639798, Singapore
| | - Mengyuan Zhang
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Liling Zhang
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
| | - Tedrick T S Lew
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore, 138634, Singapore
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 117585, Singapore
| | - Yeng Ming Lam
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
- Facility for Analysis, Characterisation, Testing and Simulation (FACTS), Nanyang Technological University, Singapore, 639798, Singapore
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22
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Malini S, Roy A, Raj K, Raju KSA, Ali IH, Mahesh B, Yadav KK, Islam S, Jeon BH, Lee SS. Sensing beyond Senses: An Overview of Outstanding Strides in Architecting Nanopolymer-Enabled Sensors for Biomedical Applications. Polymers (Basel) 2022; 14:601. [PMID: 35160590 PMCID: PMC8840134 DOI: 10.3390/polym14030601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/28/2022] [Accepted: 01/29/2022] [Indexed: 11/17/2022] Open
Abstract
Nano-enabled sensing is an expanding interdisciplinary field of emerging science with dynamic multifunctional detecting capabilities, equipped with a wide range of multi-faceted nanomaterial having diverse dimensions and composition. They have proven to be highly robust, sensitive, and useful diagnostic tools ranging from advanced industrial processes to ordinary consumer products. As no single nanomaterial has proved to be unparalleled, recent years has witnessed a large number of nanomaterial-based sensing strategies for rapid detection and quantification of processes and substances with a high degree of reliability. Nano-furnished platforms, because of easy fabrication methods and chemical versatility, can serve as ideal sensing means through different transduction mechanisms. This article, through a unified experimental-theoretical approach, uses literature of recent years to introduce, evaluate, and analyze significant developments in the area of nanotechnology-aided sensors incorporating the various classes of nanomaterial. Addressing the broad interests, the work also summarizes the sensing mechanisms using schematic illustrations, attempts to integrate the performance of different categories of nanomaterials in the design of sensors, knowledge gaps, regulatory aspects, future research directions, and challenges of implementing such techniques in standalone devices. In view of a dependency of analysis and testing on sustained growth of sensor-supported platforms, this article inspires the scientific community for more attention in this field.
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Affiliation(s)
- S. Malini
- Department of Chemistry, B.M.S. College of Engineering, Bangalore 560019, India;
| | - Arpita Roy
- Department of Biotechnology, School of Engineering & Technology, Sharda University, Greater Noida 201310, India;
| | - Kalyan Raj
- Department of Chemistry, B.M.S. College of Engineering, Bangalore 560019, India;
| | - K. S. Anantha Raju
- Department of Chemistry, Dayananda Sagar College of Engineering, Bangalore 560078, India;
| | - Ismat H. Ali
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia;
| | - B. Mahesh
- Department of Chemistry, JSS Academy of Technical Education, Bangalore 560060, India;
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal 462044, India;
| | - Saiful Islam
- Civil Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia;
| | - Byong-Hun Jeon
- Department of Earth Resources & Environmental Engineering, Hanyang University, 222-Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea;
| | - Sean Seungwon Lee
- Department of Earth Resources & Environmental Engineering, Hanyang University, 222-Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea;
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23
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Khan F, Atif M, Haseen M, Kamal S, Khan MS, Shahid S, Nami SAA. Synthesis, classification and properties of hydrogels: their applications in drug delivery and agriculture. J Mater Chem B 2021; 10:170-203. [PMID: 34889937 DOI: 10.1039/d1tb01345a] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Absorbent polymers or hydrogel polymer materials have an enhanced water retention capacity and are widely used in agriculture and medicine. The controlled release of bioactive molecules (especially drug proteins) by hydrogels and the encapsulation of living cells are some of the active areas of drug discovery research. Hydrogel-based delivery systems may result in a therapeutically advantageous outcome for drug delivery. They can provide various sequential therapeutic agents including macromolecular drugs, small molecule drugs, and cells to control the release of molecules. Due to their controllable degradability, ability to protect unstable drugs from degradation and flexible physical properties, hydrogels can be used as a platform in which various chemical and physical interactions with encapsulated drugs for controlled release in the system can be studied. Practically, hydrogels that possess biodegradable properties have aroused greater interest in drug delivery systems. The original three-dimensional structure gets broken down into non-toxic substances, thus confirming the excellent biocompatibility of the gel. Chemical crosslinking is a resource-rich method for forming hydrogels with excellent mechanical strength. But in some cases the crosslinker used in the synthesis of the hydrogels may cause some toxicity. However, the physically cross-linked hydrogel preparative method is an alternative solution to overcome the toxicity of cross-linkers. Hydrogels that are responsive to stimuli formed from various natural and synthetic polymers can show significant changes in their properties under external stimuli such as temperature, pH, light, ion changes, and redox potential. Stimulus-responsive hydrogels have a wider range of applications in biomedicine including drug delivery, gene delivery and tissue regeneration. Stimulus-responsive hydrogels loaded with multiple drugs show controlled and sustained drug release and can act as drug carriers. By integrating stimulus-responsive hydrogels, such as those with improved thermal responsiveness, pH responsiveness and dual responsiveness, into textile materials, advanced functions can be imparted to the textile materials, thereby improving the moisture and water retention performance, environmental responsiveness, aesthetic appeal, display and comfort of textiles. This review explores the stimuli-responsive hydrogels in drug delivery systems and examines super adsorbent hydrogels and their application in the field of agriculture.
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Affiliation(s)
- Faisal Khan
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Mohd Atif
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Mohd Haseen
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Shahid Kamal
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
| | - Mohd Shoeb Khan
- Interdisciplinary Nanotechnology Centre, Aligarh Muslim University, Aligarh 202002, India
| | - Shumaila Shahid
- Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Shahab A A Nami
- Department of Chemistry, Aligarh Muslim University, Aligarh 202002, India.
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Su W, Qin Y, Meng G, Wu J, Yang S, Cui L, Li W, Liu Z, Guo X. Intelligent response release of imidacloprid from a tailored star‐shaped polymer targeting the temperature‐dependent reproduction of cotton aphids. J Appl Polym Sci 2021. [DOI: 10.1002/app.51895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Weihua Su
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Yan Qin
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Guihua Meng
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Jianning Wu
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Shengchao Yang
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Lin Cui
- School of Medicine Shihezi University Shihezi China
| | - Wenjuan Li
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Zhiyong Liu
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
| | - Xuhong Guo
- School of Chemistry and Chemical Engineering Shihezi University/Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/Key Laboratory of Materials‐Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region/Engineering Research Center of Materials‐Oriented Chemical Engineering of Xinjiang Bingtuan Shihezi China
- State Key Laboratory of Chemical Engineering East China University of Science and Technology Shanghai China
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Hou X, Pan Y, Miraftab R, Huang Z, Xiao H. Redox- and Enzyme-Responsive Macrospheres Gatekept by Polysaccharides for Controlled Release of Agrochemicals. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:11163-11170. [PMID: 34546756 DOI: 10.1021/acs.jafc.1c01304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Stimuli-responsive materials afford researchers an opportunity to synthesize controlled-release carriers with various potential applications, especially for reducing the abuse of chemical reagents in farmland soil. To enhance the efficiency of agrochemical utilization, redox- and enzyme-responsive macrospheres were prepared by self-assembling β-cyclodextrin-modified zeolite and ferrocenecarboxylic acid (FcA)-grafted carboxymethyl cellulose (CMC). Scanning electron microscopy and Brunauer-Emmett-Teller analysis revealed that pores of zeolite were sealed by the surface coupling of FcA-modified CMC via the formation of an inclusion complex. Salicylic acid (SA) was loaded as a model agrochemical. The release of SA from macrospheres could be triggered in the presence of hydrogen peroxide (oxidant) and cellulase (enzyme); and the corresponding release percentages, 85.2 and 80.4%, were much higher than those of the control sample without responsive groups in water (12.6%) after 12 h. A release kinetic study showed that cellulase could promote carrier dissolution more effectively than the oxidant. The results demonstrate that the dual-responsive macrospheres are promising as a smart and effective carrier for the controlled release of agrochemicals.
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Affiliation(s)
- Xiaobang Hou
- Power Technology Center, State Grid Shandong Electric Power Research Institute, 2000 Wangyue Road, Jinan 250000, Shandong, China
- Department of Chemical Engineering, University of New Brunswick, 15 Dineen Dr., Fredericton E3B 5A3, Canada
| | - Yuanfeng Pan
- Guangxi Key Lab of Petrochem. Resource Proc. & Process Intensification Tech., School of Chemistry and Chemical Engineering Guangxi University, 100 Daxue Road, Nanning, Guangxi 530004, China
| | - Roshanak Miraftab
- Department of Chemical Engineering, University of New Brunswick, 15 Dineen Dr., Fredericton E3B 5A3, Canada
| | - Zhihong Huang
- Sheng Qing Environmental Protection Technology Co., Ltd, Kunming, Yunnan 650093, China
| | - Huining Xiao
- Department of Chemical Engineering, University of New Brunswick, 15 Dineen Dr., Fredericton E3B 5A3, Canada
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Ji Y, Ma S, Lv S, Wang Y, Lü S, Liu M. Nanomaterials for Targeted Delivery of Agrochemicals by an All-in-One Combination Strategy and Deep Learning. ACS APPLIED MATERIALS & INTERFACES 2021; 13:43374-43386. [PMID: 34469104 DOI: 10.1021/acsami.1c11914] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The development of modern agriculture has prompted the greater input of herbicides, insecticides, and fertilizers. However, precision release and targeted delivery of these agrochemicals still remain a challenge. Here, a pesticide-fertilizer all-in-one combination (PFAC) strategy and deep learning are employed to form a system for controlled and targeted delivery of agrochemicals. This system mainly consists of three components: (1) hollow mesoporous silica (HMS), to encapsulate herbicides and phase-change material; (2) polydopamine (PDA) coating, to provide a photothermal effect; and (3) a zeolitic imidazolate framework (ZIF8), to provide micronutrient Zn2+ and encapsulate insecticides. Results show that the PFAC at concentration of 5 mg mL-1 reaches the phase transition temperature of 1-tetradecanol (37.5 °C) after 5 min of near-infrared (NIR) irradiation (800 nm, 0.5 W cm-2). The data of corn and weed are collected and relayed to deep learning algorithms for model building to realize object detection and further targeted weeding. In-field treatment results indicated that the growth of chicory herb was significantly inhibited when treated with the PFAC compared with the blank group after 24 h under NIR irradiation for 2 h. This system combines agrochemical innovation and artificial intelligence technology, achieves synergistic effects of weeding and insecticide and nutrient supply, and will potentially achieve precision and sustainable agriculture.
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Affiliation(s)
- Yanzheng Ji
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Song Ma
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Shaoqing Lv
- School of Communication and Information Engineering, Xi'an University of Posts and Telecommunications, Xi'an 710121, China
| | - Yingjie Wang
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Shaoyu Lü
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Mingzhu Liu
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province, Department of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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Saracoglu P, Ozmen MM. Starch Based Nanogels: From Synthesis to Miscellaneous Applications. STARCH-STARKE 2021. [DOI: 10.1002/star.202100011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Pelin Saracoglu
- Department of Bioengineering Yildiz Technical University Istanbul 34220 Turkey
| | - Mehmet Murat Ozmen
- Department of Bioengineering Yildiz Technical University Istanbul 34220 Turkey
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Wang C, Yang J, Qin J, Yang Y. Eco-Friendly Nanoplatforms for Crop Quality Control, Protection, and Nutrition. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2004525. [PMID: 33977068 PMCID: PMC8097385 DOI: 10.1002/advs.202004525] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/31/2020] [Indexed: 05/27/2023]
Abstract
Agricultural chemicals have been widely utilized to manage pests, weeds, and plant pathogens for maximizing crop yields. However, the excessive use of these organic substances to compensate their instability in the environment has caused severe environmental consequences, threatened human health, and consumed enormous economic costs. In order to improve the utilization efficiency of these agricultural chemicals, one strategy that attracted researchers is to design novel eco-friendly nanoplatforms. To date, numerous advanced nanoplatforms with functional components have been applied in the agricultural field, such as silica-based materials for pesticides delivery, metal/metal oxide nanoparticles for pesticides/mycotoxins detection, and carbon nanoparticles for fertilizers delivery. In this review, the synthesis, applications, and mechanisms of recent eco-friendly nanoplatforms in the agricultural field, including pesticides and mycotoxins on-site detection, phytopathogen inactivation, pest control, and crops growth regulation for guaranteeing food security, enhancing the utilization efficiency of agricultural chemicals and increasing crop yields are highlighted. The review also stimulates new thinking for improving the existing agricultural technologies, protecting crops from biotic and abiotic stress, alleviating the global food crisis, and ensuring food security. In addition, the challenges to overcome the constrained applications of functional nanoplatforms in the agricultural field are also discussed.
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Affiliation(s)
- Chao‐Yi Wang
- College of Chemistry and College of Plant ScienceJilin UniversityChangchun130012P. R. China
| | - Jie Yang
- College of Chemistry and College of Plant ScienceJilin UniversityChangchun130012P. R. China
| | - Jian‐Chun Qin
- College of Chemistry and College of Plant ScienceJilin UniversityChangchun130012P. R. China
| | - Ying‐Wei Yang
- College of Chemistry and College of Plant ScienceJilin UniversityChangchun130012P. R. China
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Natural rosin modified carboxymethyl cellulose delivery system with lowered toxicity for long-term pest control. Carbohydr Polym 2021; 259:117749. [PMID: 33673979 DOI: 10.1016/j.carbpol.2021.117749] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/13/2021] [Accepted: 01/28/2021] [Indexed: 02/06/2023]
Abstract
The increasing world-wide demand for food has prompted the development of efficient and environmentally friendly pesticide formulations. In this article, we have prepared CMC-g-PRSG carrier based on two compounds from natural materials carboxymethyl cellulose (CMC) and rosin (RS). The model pesticide avermectin (AVM) was encapsulated through hydrophobic interaction, and self-assembled to form nanopesticide AVM@CMC-g-PRSG with an average particle size of 167 nm. The prepared nanopesticide displays enhanced dispersibility and stability of AVM in water, and can effectively adhere to the leaves to prevent loss. The release rate of AVM encapsulated in the nanocarrier can be controlled by adjusting pH, and AVM half-life under ultraviolet radiation shows a 3-fold increase allowing control of pests for prolonged periods of time in practical applications. Biological safety tests showed that AVM@CMC-g-PRSG effectively reduces the toxicity of AVM to aquatic animals. Therefore, the cheap and degradable carrier CMC-g-PRSG can improve the effect of hydrophobic pesticides.
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Novel multi-responsive and sugarcane bagasse cellulose-based nanogels for controllable release of doxorubicin hydrochloride. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 118:111357. [DOI: 10.1016/j.msec.2020.111357] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 04/21/2020] [Accepted: 07/20/2020] [Indexed: 01/24/2023]
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Biocompatible smart cellulose nanofibres for sustained drug release via pH and temperature dual-responsive mechanism. Carbohydr Polym 2020; 249:116876. [DOI: 10.1016/j.carbpol.2020.116876] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/29/2020] [Accepted: 07/31/2020] [Indexed: 01/22/2023]
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Dual-responsive carboxymethyl cellulose/dopamine/cystamine hydrogels driven by dynamic metal-ligand and redox linkages for controllable release of agrochemical. Carbohydr Polym 2020; 253:117188. [PMID: 33278966 DOI: 10.1016/j.carbpol.2020.117188] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/14/2020] [Accepted: 10/02/2020] [Indexed: 01/01/2023]
Abstract
The utilization of agrochemicals in crop production is often inefficient due to lack of appropriate carriers, raising in the significant concerns of ecological environment and public health. To enhance the efficiency of agrochemical delivery, a novel cellulose-based hydrogel was constructed in this work by cross-linking dopamine (DA)-modified carboxymethyl cellulose (CMC) with cystamine (CYS) in the presence of Fe3+ ions. The hydrogels displayed reversible sol-gel transitions upon exposure to stimulation of changes in pH and redox, leading to the controllable release of model agrochemical (6-benzyladenine). Compared with single-triggered condition, the hydrogel doubled the cumulative release when co-triggered by pH and redox. The dynamic metal/catechol complexation and disulfide bonding coexist in the hydrogel networks, enabling occurrence of dynamic reaction under a variety of environmental conditions. The finite element method (FEM) was employed to simulate the hydrogel to provide a theoretical insight into the tested drug delivery. Benefitting from the reversibly cross-linked networks and the excellent biodegradability of the hydrogels, we anticipate that this dual-responsive, polysaccharide-based hydrogel will offer diverse applications to reach the full potential in sustainable advancement of crop production.
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Coumarin-Containing Light-Responsive Carboxymethyl Chitosan Micelles as Nanocarriers for Controlled Release of Pesticide. Polymers (Basel) 2020; 12:polym12102268. [PMID: 33019778 PMCID: PMC7601645 DOI: 10.3390/polym12102268] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/22/2020] [Accepted: 09/29/2020] [Indexed: 12/20/2022] Open
Abstract
Currently, controlled release formulations (CRFs) of pesticides in response to biotic and/or abiotic stimuli have shown great potential for providing “on-demand” smart release of loaded active ingredients. In this study, amphiphilic biopolymers were prepared by introducing hydrophobic (7-diethylaminocoumarin-4-yl)methyl succinate (DEACMS) onto the main chain of hydrophilic carboxymethylchitosan (CMCS) via the formation of amide bonds which were able to self-assemble into spherical micelles in aqueous media and were utilized as light-responsive nanocarriers for the controlled release of pesticides. FTIR and NMR characterizations confirmed the successful synthesis of the CMCS-DEACMS conjugate. The critical micelle concentration (CMC) decreased with the increase in the substitution of DEACMS on CMCS, which ranged from 0.013 to 0.042 mg/mL. Upon irradiation under simulated sunlight, the hydrodynamic diameter, morphology, photophysical properties and photolysis were researched by means of dynamic light scattering (DLS), transmission electron microscopy (TEM), UV-vis absorption spectroscopy and fluorescence spectroscopy. Moreover, 2,4-dichlorophenoxyacetic acid (2,4-D) was used as a model pesticide and encapsulated into the CMCS-DEACMS micelles. In these micelle formulations, the release of 2,4-D was promoted upon simulated sunlight irradiation, during which the coumarin moieties were cleaved from the CMCS backbone, resulting in a shift of the hydrophilic–hydrophobic balance and destabilization of the micelles. Additionally, bioassay studies suggested that this 2,4-D contained which micelles showed good bioactivity on the target plant without harming the nontarget plant. Thereby, the light-responsive CMCS-DEACMS micelles bearing photocleavable coumarin moieties provide a smart delivery platform for agrochemicals.
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Yang X, Li Z, Liu H, Ma L, Huang X, Cai Z, Xu X, Shang S, Song Z. Cellulose-based polymeric emulsifier stabilized poly(N-vinylcaprolactam) hydrogel with temperature and pH responsiveness. Int J Biol Macromol 2020; 143:190-199. [DOI: 10.1016/j.ijbiomac.2019.12.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/19/2019] [Accepted: 12/02/2019] [Indexed: 12/29/2022]
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35
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Shao C, Yang J. Dynamics in Cellulose-Based Hydrogels with Reversible Cross-Links. SELF-HEALING AND SELF-RECOVERING HYDROGELS 2020. [DOI: 10.1007/12_2019_58] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2023]
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