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Chandrasekaran M, Paramasivan M. Chitosan derivatives act as a bio-stimulants in plants: A review. Int J Biol Macromol 2024; 271:132720. [PMID: 38845257 DOI: 10.1016/j.ijbiomac.2024.132720] [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: 01/17/2024] [Revised: 05/03/2024] [Accepted: 05/27/2024] [Indexed: 06/20/2024]
Abstract
Chitosan has been considered an eco-friendly biopolymer. Chitosan is a natural polycationic linear polysaccharide composed of D-glucosamine and N-acetyl-D-glucosamine linked by β-1,4-glycosidic bonds. Chitosan has been used as an eco-friendly biopolymer for so many agricultural applications. Unfortunately, the relatively poor solubility and poor antimicrobial properties limit its widespread applications in agriculture sciences. Hence, chitosan derivatives are produced via various chemical approaches such as cross-linking, carboxylation, ionic binding, and so on. As an alternative to chemical fertilizers, chitosan derivatives, chitosan conjugates, nanostructures, semisynthetic derivatives, oligo mixes, chitosan nanoparticles, and chitosan nano-carriers are synthesized for various agricultural applications. Its several chemical and physical properties such as biocompatibility, biodegradability, permeability, cost-effectiveness, low toxicity, and environmental friendliness make it useful for many agricultural applications. Hence, popularizing its use as an elicitor molecule for different host-pathogen interaction studies. Thus, the versatile and plethora of chitosan derivatives are gaining momentum in agricultural sciences. Bio-stimulant properties and multifunctional benefits are associated with further prospective research. Therefore, in the present review, we decipher the potential pros and cons of chitosan derivatives in plants.
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Affiliation(s)
- Murugesan Chandrasekaran
- Department of Food Science and Biotechnology, 209, Neundong-ro, Gwangjin-gu, Seoul 05006, South Korea.
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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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3
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Iqbal DN, Tariq Z, Philips B, Sadiqa A, Ahmad M, Al-Ahmary KM, Ali I, Ahmed M. Nanocellulose/wood ash-reinforced starch-chitosan hydrogel composites for soil conditioning and their impact on pea plant growth. RSC Adv 2024; 14:8652-8664. [PMID: 38495984 PMCID: PMC10938291 DOI: 10.1039/d3ra08725e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 03/08/2024] [Indexed: 03/19/2024] Open
Abstract
Hydrogels are 3-dimensional polymer networks capable of absorbing a large amount of water. Natural polymeric hydrogels are biodegradable, non-toxic and biocompatible. They can effectively retain nutrients for the plant and can be used as soil conditioners. This study uses a chemical cross-linking technique to synthesize starch and chitosan-based hydrogel using citric acid as a cross-linker. Additionally, hydrogel composites were developed by incorporating wood ash, nano-cellulose, and NPK (nitrogen-phosphorus-potassium) fertilizer as fillers to enhance their properties. The formulated hydrogel/hydrogel composite samples were characterized by FTIR spectroscopy, SEM analysis, X-ray diffraction and thermo-gravimetric analysis. The experiment results showed the chemical cross-linking among the polymeric chain and the semi-crystalline nature of the hydrogel/hydrogel composite samples. The swelling capacity of the hydrogel/hydrogel composite samples was 200-420% (in distilled water) and 104-220% (in saline medium) and demonstrated biodegradability within 110 days. The NPK reinforced hydrogel composite showed an excellent effect on the growth of pea plants (leaves count = 37, stem height = 20.2 cm), and could be effectively used as soil conditioners for agricultural applications. Considering the ability of hydrogel composites to reduce irrigation needs, enhance nutrient retention, and improve crop production, these novel hydrogel composites present an economically viable solution for sustainable agricultural practices.
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Affiliation(s)
- Dure Najaf Iqbal
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Zaryab Tariq
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Boiz Philips
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Ayesha Sadiqa
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Muhammad Ahmad
- Department of Chemistry, Division of Science and Technology, University of Education Lahore-54770 Pakistan
| | | | - Ijaz Ali
- Centre for Applied Mathematics and Bioinformatics (CAMB), Gulf University for Science and Technology Hawally Kuwait
| | - Mahmood Ahmed
- Department of Chemistry, Division of Science and Technology, University of Education Lahore-54770 Pakistan
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Bhattacharya N, Cahill DM, Yang W, Kochar M. Graphene as a nano-delivery vehicle in agriculture - current knowledge and future prospects. Crit Rev Biotechnol 2023; 43:851-869. [PMID: 35815813 DOI: 10.1080/07388551.2022.2090315] [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: 11/12/2020] [Accepted: 05/29/2022] [Indexed: 11/03/2022]
Abstract
Graphene has triggered enormous interest in, and exploration of, its applications in diverse areas of science and technology due to its unique properties. While graphene has displayed great potential as a nano-delivery system for drugs and biomolecules in biomedicine, its application as a nanocarrier in agriculture has only begun to be explored. Conventional fertilizers and agricultural delivery systems have a number of disadvantages, such as: fast release of the active ingredient, low delivery efficiency, rapid degradation and low stability that often leads to their over-application and consequent environmental problems. Advanced nano fertilizers with high carrier efficiency and slow and controlled release are now considered the gold standard for promoting agricultural sustainability while protecting the environment. Graphene's attractive properties include large surface area, chemical stability, mechanical stability, tunable surface chemistry and low toxicity making it a promising material on which to base agricultural delivery systems. Recent research has demonstrated considerable success in the use of graphene for agricultural applications, including its utilization as a delivery vehicle for plant nutrients and crop protection agents, as well as in post-harvest management of crops. This review, therefore, presents a comprehensive overview of the current status of graphene-based nanocarriers in agriculture. Additionally, the review outlines the surface functionalization methods used for effective molecular delivery, various strategies for nano-vehicle design and the underlying features necessary for a graphene-based agro-delivery system. Finally, the review discusses directions for further research in optimization of graphene-based nanocarriers.
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Affiliation(s)
- Nandini Bhattacharya
- TERI-Deakin Nanobiotechnology Centre, The Energy and Resources Institute, Gual Pahari, Haryana, India
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - David M Cahill
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Wenrong Yang
- School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Mandira Kochar
- TERI-Deakin Nanobiotechnology Centre, The Energy and Resources Institute, Gual Pahari, Haryana, India
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Tariq Z, Iqbal DN, Rizwan M, Ahmad M, Faheem M, Ahmed M. Significance of biopolymer-based hydrogels and their applications in agriculture: a review in perspective of synthesis and their degree of swelling for water holding. RSC Adv 2023; 13:24731-24754. [PMID: 37601588 PMCID: PMC10437007 DOI: 10.1039/d3ra03472k] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 08/11/2023] [Indexed: 08/22/2023] Open
Abstract
Hydrogels are three-dimensional polymer networks that are hydrophilic and capable of retaining a large amount of water. Hydrogels also can act as vehicles for the controlled delivery of active compounds. Bio-polymers are polymers that are derived from natural sources. Hydrogels prepared from biopolymers are considered non-toxic, biocompatible, biodegradable, and cost-effective. Therefore, bio-polymeric hydrogels are being extensively synthesized and used all over the world. Hydrogels based on biopolymers finds important applications in the agricultural field where they are used as soil conditioning agents as they can increase the water retention ability of soil and can act as a carrier of nutrients and other agrochemicals. Hydrogels are also used for the controlled delivery of fertilizer to plants. In this review, bio-polymeric hydrogels based on starch, chitosan, guar gum, gelatin, lignin, and alginate polymer have been discussed in terms of their synthesis method, swelling behavior, and possible agricultural application. The urgency to address water scarcity and the need for sustainable water management in agriculture necessitate the exploration and implementation of innovative solutions. By understanding the synthesis techniques and factors influencing the swelling behavior of these hydrogels, we can unlock their full potential in fostering sustainable agriculture and mitigating the challenges posed by an ever-changing environment.
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Affiliation(s)
- Zaryab Tariq
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Dure Najaf Iqbal
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Muhammad Rizwan
- Department of Chemistry, The University of Lahore Lahore Pakistan
| | - Muhammad Ahmad
- Department of Chemistry, Division of Science and Technology, University of Education Lahore 54770 Pakistan
| | - Muhammad Faheem
- Department of Chemistry, Division of Science and Technology, University of Education Lahore 54770 Pakistan
| | - Mahmood Ahmed
- Department of Chemistry, Division of Science and Technology, University of Education Lahore 54770 Pakistan
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da Silva TCP, Fortes AGDS, de Abreu IR, de Carvalho LH, de Almeida YMB, Alves TS, Barbosa R. Development of Biodegradable PLA/PBAT-Based Filaments for Fertilizer Release for Agricultural Applications. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6764. [PMID: 36234105 PMCID: PMC9571630 DOI: 10.3390/ma15196764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/23/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
The aim of this work was to produce filaments of PLA/PBAT and NPK fertilizer adsorbed on organophilized bentonite intended for application in the prototyping of biodegradable agricultural artifacts in 3D printing, using the Fused Deposition Modeling (FDM) technique. This is the first time that we have reported this composite for a 3D printing approach. Systems containing PLA/PBAT, organobentonite and NPK were initially processed in an internal mixer and later extruded as filaments in a single-screw extruder. The prototypes were printed by FDM. Structural, morphological and thermal properties, as well as NPK releasing, were investigated. The results suggest that exfoliated and/or intercalated nanocomposites were obtained by the organoclay addition to the PLA/PBAT blend. The morphological analysis revealed a good surface quality of the impressions. Systems containing organobentonite released approximately 22% less fertilizer in 24 h compared to the systems without organobentonite. This difference is due to the higher concentration of nanoparticles that generate more barriers to the diffusion of NPK. The release data for these systems had a better fit to the kinetic model of Korsmeyer-Peppas. Thus, studied filaments have the potential to retard the release of fertilizer and are suitable for further development of structures for agricultural applications by FDM.
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Affiliation(s)
- Thyago Camelo Pereira da Silva
- Graduate Program in Materials Science and Engineering, Technology Center, Federal University of Piauí, Teresina 64049-550, PI, Brazil
| | - Allef Gabriel da Silva Fortes
- Graduate Program in Materials Science and Engineering, Technology Center, Federal University of Piauí, Teresina 64049-550, PI, Brazil
| | - Iago Rodrigues de Abreu
- Graduate Program in Materials Science and Engineering, Technology Center, Federal University of Piauí, Teresina 64049-550, PI, Brazil
| | - Laura Hecker de Carvalho
- Center Science and Technology, Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Campina Grande 58428-830, PB, Brazil
| | - Yeda Medeiros Bastos de Almeida
- Center for Technology and Geosciences, Graduate Program in Chemical Engineering, Federal University of Pernambuco, Recife 50670-901, PE, Brazil
| | - Tatianny Soares Alves
- Graduate Program in Materials Science and Engineering, Technology Center, Federal University of Piauí, Teresina 64049-550, PI, Brazil
| | - Renata Barbosa
- Graduate Program in Materials Science and Engineering, Technology Center, Federal University of Piauí, Teresina 64049-550, PI, Brazil
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Adsorption of Cu2+ by Modified Chitosan Microspheres and Its Application in homocoupling of Arylboronic Ac. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Jakhar AM, Aziz I, Kaleri AR, Hasnain M, Haider G, Ma J, Abideen Z. Nano-fertilizers: A sustainable technology for improving crop nutrition and food security. NANOIMPACT 2022; 27:100411. [PMID: 35803478 DOI: 10.1016/j.impact.2022.100411] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/19/2022] [Accepted: 06/26/2022] [Indexed: 05/21/2023]
Abstract
Excessive use of synthetic fertilizers cause economic burdens, increasing soil, water and atmospheric pollution. Nano-fertilizers have shown great potential for their sustainable uses in soil fertility, crop production and with minimum or no environmental tradeoffs. Nano-fertilizers are of submicroscopic sizes, have a large surface area to volume ratio, can have nutrient encapsulation, and greater mobility hence they may increase plant nutrient access and crop yield. Due to these properties, nano-fertilizers are regarded as deliverable 'smart system of nutrients'. However, the problems in the agroecosystem are broader than existing developments. For example, nutrient delivery in different physicochemical properties of soils, moisture, and other agro-ecological conditions is still a challenge. In this context, the present review provides an overview of various uses of nanotechnology in agriculture, preference of nano-fertilizers over the conventional fertilizers, nano particles formation, mobility, and role in heterogeneous soils, with special emphasis on the development and use of chitosan-based nano-fertilizers.
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Affiliation(s)
- Ali Murad Jakhar
- School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang Sichuan 621010, China; Institute of Plant Sciences, University of Sindh, Jamshoro, Pakistan
| | - Irfan Aziz
- Dr. Muhammad Ajmal Khan Institute of Sustainable Halophyte Utilization, University of Karachi, Karachi 75270, Pakistan
| | - Abdul Rasheed Kaleri
- School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang Sichuan 621010, China
| | - Maria Hasnain
- Department of Biotechnology, Lahore College for Women University, Lahore, Pakistan
| | - Ghulam Haider
- Department of Plant Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Pakistan
| | - Jiahua Ma
- School of Life Sciences and Engineering, Southwest University of Science and Technology, Mianyang Sichuan 621010, China.
| | - Zainul Abideen
- Dr. Muhammad Ajmal Khan Institute of Sustainable Halophyte Utilization, University of Karachi, Karachi 75270, Pakistan.
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Chen S, Zhu H, Luo Y. Chitosan-based oral colon-specific delivery systems for polyphenols: recent advances and emerging trends. J Mater Chem B 2022; 10:7328-7348. [PMID: 35766297 DOI: 10.1039/d2tb00874b] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Oral colon-targeted delivery systems (OCDSs) have attracted great attention in the delivery of active compounds targeted to the colon for the treatment of colon and non-colon diseases with the advantages of enhanced efficacy and reduced side effects. Chitosan, the second-most abundant biopolymer next to cellulose, has great biocompatibility, is non-toxic, is sensitive to colonic flora and shows strong adhesion to colonic mucus, making it an ideal biomaterial candidate for the construction of OCDSs. Being rich in functional groups, the chitosan structure is easily modified, both physically and chemically, for the fabrication of delivery systems with diverse geometries, including nanoparticles, microspheres/microparticles, and hydrogels, that are resistant to the harsh environment of the upper gastrointestinal tract (GIT). This review offers a detailed overview of the preparation of chitosan-based delivery systems as the basis for building OCDSs. A variety of natural polyphenols with potent biological activities are used to treat diseases of the colon, or to be metabolized as active ingredients by colonic microorganisms to intervene in remote organ diseases after absorption into the circulation. However, the poor solubility of polyphenols limits their application, and the acidic environment of the upper GIT and various enzymes in the small intestine disrupt their structure and activity. As a result, the development of OCDSs for polyphenols has become an emerging and popular area of current research in the past decade. Thus, the second objective of this review is to systematically summarize the most recent research findings in this area and shed light on the future development of chitosan-based OCDSs for nutritional and biomedical applications.
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Affiliation(s)
- Sunni Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Honglin Zhu
- Nanotechnology and Biodelivery Laboratory, Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
| | - Yangchao Luo
- Nanotechnology and Biodelivery Laboratory, Department of Nutritional Sciences, University of Connecticut, Storrs, CT 06269, USA.
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Li S, Yang F, Xiang K, Chen J, Zhang Y, Wang J, Sun J, Li Y. A Multifunctional Microspheric Soil Conditioner Based on Chitosan-Grafted Poly(acrylamide- co-acrylic acid)/Biochar. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:5717-5729. [PMID: 35442693 DOI: 10.1021/acs.langmuir.2c00317] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A multifunctional microspheric soil conditioner based on chitosan-grafted poly(acrylamide-co-acrylic acid)/biochar [CS-g-P(AM-co-AA)/BC] was prepared. First, the P(AM-co-AA) was synthesized and successfully grafted onto CS, and the three-dimensional network structure of microspheres was formed with N,N-methylenebis(acrylamide) as the cross-linking agent according to the inverse suspension polymerization method. Meanwhile, BC and urea were encapsulated into the body of microspheres during the polymerization. The structure of the microspheres was analyzed by Fourier transform infrared spectroscopy, polarized optical microscopy, and scanning electron microscopy, and the mechanism of adsorption of Cu2+ on the microspheres was investigated by X-ray photoelectron spectroscopy. Furthermore, the experimental results demonstrated the excellent water absorption and retention capabilities of microspheres, and the release rate of urea was dramatically reduced. Importantly, the introduction of BC significantly enhanced the adsorption performance of the microspheres with respect to heavy metal ions. Consequently, the multifunctional soil conditioner held promise for use in soil improvement and agricultural production.
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Affiliation(s)
- Shuhong Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China
| | - Fan Yang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China
| | - Kailing Xiang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China
| | - Jiacheng Chen
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China
| | - Ye Zhang
- Université de Paris, ITODYS, CNRS, UMR 7086, 15 rue J.-A. de Baïf, F-75013 Paris, France
| | - Jincheng Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China
| | - Jibo Sun
- Wopu New Material Technology (Shanghai) Company, Ltd., Shanghai 201600, P. R. China
| | - Yuan Li
- Jiangsu Lvhong Landscaping Engineering Company, Ltd., Jiangsu 226100, P. R. China
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Chiaregato CG, França D, Messa LL, Dos Santos Pereira T, Faez R. A review of advances over 20 years on polysaccharide-based polymers applied as enhanced efficiency fertilizers. Carbohydr Polym 2022; 279:119014. [PMID: 34980357 DOI: 10.1016/j.carbpol.2021.119014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 12/07/2021] [Accepted: 12/09/2021] [Indexed: 11/28/2022]
Abstract
Over the last 20 years, polysaccharide-based materials have garnered attention in the enhanced efficiency fertilizers (EEFs) research. Biodegradability, non-toxicity, water-solubility, swellability, and ease of chemical modification make these polymers suitable for agricultural applications. In this review, the polysaccharides-based EEFs advances are summarized over the polymer and co-materials selection, the methods, and the chemical/structure aspects necessary for an appropriate production. We also briefly discuss terminologies, nutrient release mechanisms, biodegradation, and future trends. The most used polysaccharides are chitosan, starch, and alginate, and the non-Fickian model most describes the release mechanism. It is dependent on the relaxation of polymer chains by the matrix swelling followed by the nutrient diffusion. EEFs-polymers-based should be designed as more packed and less porous structures to avoid the immediate contact of the fertilizer with the surrounding water, improving fertilizer retention. Furthermore, the preparation methods will determine the scale-up of the material.
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Affiliation(s)
- Camila Gruber Chiaregato
- Laboratory of Polymeric Materials and Biosorbents, Federal University of São Carlos, UFSCar, 13600970 Araras, SP, Brazil
| | - Débora França
- Laboratory of Polymeric Materials and Biosorbents, Federal University of São Carlos, UFSCar, 13600970 Araras, SP, Brazil
| | - Lucas Luiz Messa
- Laboratory of Polymeric Materials and Biosorbents, Federal University of São Carlos, UFSCar, 13600970 Araras, SP, Brazil
| | - Tamires Dos Santos Pereira
- Laboratory of Polymeric Materials and Biosorbents, Federal University of São Carlos, UFSCar, 13600970 Araras, SP, Brazil
| | - Roselena Faez
- Laboratory of Polymeric Materials and Biosorbents, Federal University of São Carlos, UFSCar, 13600970 Araras, SP, Brazil.
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Budhiraja M, Zafar S, Akhter S, Alrobaian M, Rashid MA, Barkat MA, Beg S, Ahmad FJ. Mupirocin-Loaded Chitosan Microspheres Embedded in Piper betle Extract Containing Collagen Scaffold Accelerate Wound Healing Activity. AAPS PharmSciTech 2022; 23:77. [PMID: 35194725 DOI: 10.1208/s12249-022-02233-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 01/20/2022] [Indexed: 01/13/2023] Open
Abstract
This study reports the formulation of mupirocin-loaded chitosan microspheres embedded in Piper betle extract containing collagen scaffold as combinational drug delivery for improved wound healing. Selection of chitosan type (molecular weight and degree of deacetylation) was carried out based on their antibacterial efficacy. The low molecular weight chitosan was selected owing to the highest antibacterial action against gram-positive as well as gram-negative bacteria. Low molecular weight chitosan-microspheres showed spherical shape with largely smooth surface morphology, 11.81% of mupirocin loading, and its controlled release profile. The XRD, DSC thermograms, and FT-IR spectral analysis revealed the mupirocin loaded in molecularly dispersed or in amorphous form, and having no chemical interactions with the chitosan matrix, respectively. The in vivo study indicates potential effect of the mupirocin, Piper betle, and chitosan in the collagen scaffold in the wound healing efficiency with approximately 90% wound healing observed at the end of 15 days of study for combinational drug-loaded chitosan microspheres-collagen scaffold-treated group. The histopathology examination further revealed tissue lined by stratified squamous epithelium, collagen deposition, fibroblastic proliferation, and absence of inflammation indicating relatively efficient wound healing once treated with combinational drug-loaded chitosan microspheres containing scaffold.
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Affiliation(s)
- Mansi Budhiraja
- Nanomedicine Research Lab, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Sobiya Zafar
- Nanomedicine Research Lab, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Sohail Akhter
- Nanomedicine Research Lab, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
- Nucleic Acids Transfer by Non-Viral Methods, Centre de Biophysique Moléculaire, CNRS UPR4301, Rue Charles Sadron, 45071, Orléans Cedex 2, France
- LE STUDIUM® Loire Valley Institute for Advanced Studies, Centre-Val de Loire Region, France
- Faculty of Medicine, Yousef Abdullatif Jameel Chair of Prophetic Medicine Application (YAJCPMA), King Abdulaziz University Hospital (KAUH), King Abdulaziz University (KAU), Jeddah, 21589, Saudi Arabia
- New Product Development, Global R&D, Sterile Ops, TEVA Pharmaceutical Industries Ltd., Aston Ln N, Halton, Preston Brook, Runcorn, WA7 3FA, UK
| | - Majed Alrobaian
- Department of Pharmaceutics and Industrial Pharmacy, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Md Abdur Rashid
- Department of Pharmaceutics, College of Pharmacy, King Khalid University, Abha, Aseer, 62529, Saudi Arabia
| | - Md Abul Barkat
- Department of Pharmaceutics, College of Pharmacy, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
| | - Sarwar Beg
- Nanomedicine Research Lab, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Farhan J Ahmad
- Nanomedicine Research Lab, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India.
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Le TNQ, Tran NN, Escribà-Gelonch M, Serra CA, Fisk I, McClements DJ, Hessel V. Microfluidic encapsulation for controlled release and its potential for nanofertilisers. Chem Soc Rev 2021; 50:11979-12012. [PMID: 34515721 DOI: 10.1039/d1cs00465d] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Nanotechnology is increasingly being utilized to create advanced materials with improved or new functional attributes. Converting fertilizers into a nanoparticle-form has been shown to improve their efficacy but the current procedures used to fabricate nanofertilisers often have poor reproducibility and flexibility. Microfluidic systems, on the other hand, have advantages over traditional nanoparticle fabrication methods in terms of energy and materials consumption, versatility, and controllability. The increased controllability can result in the formation of nanoparticles with precise and complex morphologies (e.g., tuneable sizes, low polydispersity, and multi-core structures). As a result, their functional performance can be tailored to specific applications. This paper reviews the principles, formation, and applications of nano-enabled delivery systems fabricated using microfluidic approaches for the encapsulation, protection, and release of fertilizers. Controlled release can be achieved using two main routes: (i) nutrients adsorbed on nanosupports and (ii) nutrients encapsulated inside nanostructures. We aim to highlight the opportunities for preparing a new generation of highly versatile nanofertilisers using microfluidic systems. We will explore several main characteristics of microfluidically prepared nanofertilisers, including droplet formation, shell fine-tuning, adsorbate fine-tuning, and sustained/triggered release behavior.
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Affiliation(s)
- Tu Nguyen Quang Le
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia. .,Faculty of Chemical Engineering, Ho Chi Minh City University of Technology, Ho Chi Minh City, Vietnam
| | - Nam Nghiep Tran
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia. .,School of Chemical Engineering, Can Tho University, Can Tho City, Vietnam
| | - Marc Escribà-Gelonch
- Higher Polytechnic Engineering School, University of Lleida, Igualada (Barcelona), 08700, Spain
| | - Christophe A Serra
- Université de Strasbourg, CNRS, Institut Charles Sadron UPR 22, F-67000 Strasbourg, France
| | - Ian Fisk
- Division of Food, Nutrition and Dietetics, School of Biosciences, University of Nottingham, Loughborough, LE12 5RD, UK.,The University of Adelaide, North Terrace, Adelaide, South Australia, Australia
| | | | - Volker Hessel
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia. .,School of Engineering, University of Warwick, Library Rd, Coventry, UK
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Kondal R, Kalia A, Krejcar O, Kuca K, Sharma SP, Luthra K, Dheri GS, Vikal Y, Taggar MS, Abd-Elsalam KA, Gomes CL. Chitosan-Urea Nanocomposite for Improved Fertilizer Applications: The Effect on the Soil Enzymatic Activities and Microflora Dynamics in N Cycle of Potatoes ( Solanum tuberosum L.). Polymers (Basel) 2021; 13:polym13172887. [PMID: 34502927 PMCID: PMC8433729 DOI: 10.3390/polym13172887] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 11/18/2022] Open
Abstract
The impact of polymer-based slow-release urea formulations on soil microbial N dynamics in potatoes has been sparingly deciphered. The present study investigated the effect of a biodegradable nano-polymer urea formulation on soil enzymatic activities and microflora involved in the N cycling of potato (Solanum tuberosum L.). The nano-chitosan-urea composite (NCUC) treatment significantly increased the soil dehydrogenase activity, organic carbon content and available potassium compared to the conventional urea (CU) treatment. The soil ammonical nitrogen (NH4+-N) and nitrate nitrogen (NO3−-N) contents and urease activity were significantly decreased in the NCUC-amended soil. The slow urea hydrolysis rate led to low concentrations of NH4+-N and NO3−-N in the tested potato soil. Furthermore, these results corroborate the low count of ammonia oxidizer and nitrate reducer populations. Quantitative PCR (q-PCR) studies revealed that the relative abundance of eubacterial (AOB) and archaeal ammonia-oxidizing (AOA) populations was reduced in the NCUC-treated soil compared to CU. The abundance of AOA was particularly lower than AOB, probably due to the more neutral and alkaline conditions of the tested soil. Our results suggest that the biodegradable polymer urea composite had a significant effect on the microbiota associated with soil N dynamics. Therefore, the developed NCUC could be used as a slow N-release fertilizer for enhanced growth and crop yields of potato.
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Affiliation(s)
- Rohini Kondal
- Department of Microbiology, Punjab Agricultural University, Ludhiana 141004, Punjab, India; (R.K.); (K.L.)
| | - Anu Kalia
- Electron Microscopy and Nanoscience Laboratory, Department of Soil Science, Punjab Agricultural University, Ludhiana 141004, Punjab, India
- Correspondence: (A.K.); (K.K.); Tel.: +91-161-2401960 (A.K.); +420-603-289-166 (K.K.)
| | - Ondrej Krejcar
- Center for Basic and Applied Science, Faculty of Informatics and Management, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic;
- Malaysia Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, Kuala Lumpur 54100, Malaysia
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic
- Correspondence: (A.K.); (K.K.); Tel.: +91-161-2401960 (A.K.); +420-603-289-166 (K.K.)
| | - Sat Pal Sharma
- Department of Vegetable Science, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Karanvir Luthra
- Department of Microbiology, Punjab Agricultural University, Ludhiana 141004, Punjab, India; (R.K.); (K.L.)
| | - Gurmeet Singh Dheri
- Green House Gas Laboratory, Department of Soil Science, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Yogesh Vikal
- School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Monica Sachdeva Taggar
- Department of Renewable Energy Engineering, Punjab Agricultural University, Ludhiana 141004, Punjab, India;
| | - Kamel A. Abd-Elsalam
- Agricultural Research Center, Plant Pathology Research Institute, Giza 12619, Egypt;
| | - Carmen L. Gomes
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA;
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Jain P, Garg A, Farooq U, Panda AK, Mirza MA, Noureldeen A, Darwish H, Iqbal Z. Preparation and quality by design assisted (Qb-d) optimization of bioceramic loaded microspheres for periodontal delivery of doxycycline hyclate. Saudi J Biol Sci 2021; 28:2677-2685. [PMID: 34025152 PMCID: PMC8117247 DOI: 10.1016/j.sjbs.2021.03.046] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/14/2021] [Accepted: 03/15/2021] [Indexed: 11/27/2022] Open
Abstract
PLGA (Lactic- co-glycolic acid) coated chitosan microspheres loaded with hydroxyapatite and doxycycline hyclate complex were developed in the present study for periodontal delivery. A modified single emulsion method was adopted for the development of microspheres. Formulation was optimized on the basis of particle size, drug loading and encapsulation efficiency with the central composite design using 23 factorial design. Microspheres were optimized and electron microscopy revealed their spherical shape and porous nature. In-vitro study showed initial burst and then sustained release behavior of the formulation for 14 days. Further, in-vitro antibacterial study performed on E. coli (ATCC-25922) and S. aureus (ATCC-29213) revealed concentration dependent activity. Also, in-vitro cyto-toxicity assessment ensures biocompatibility of the formulation with the fibroblast's cells. Overall, the quality by design assisted PLGA microspheres, demonstrated the desired attributes and were found suitable for periodontal drug delivery.
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Affiliation(s)
- Pooja Jain
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Abhinav Garg
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Uzma Farooq
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Amulya K. Panda
- Product Development Cell, National Institute of Immunology, New Delhi, India
| | - Mohd. Aamir Mirza
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Ahmed Noureldeen
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hadeer Darwish
- Department of Biotechnology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Zeenat Iqbal
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
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Raza ZA, Noor S, Majeed MI. PEGylation of poly(hydroxybutyrate) into multicomponent nanostructures and loading thereon with bioactive molecules for potential biomedical applications. JOURNAL OF POLYMER RESEARCH 2021. [DOI: 10.1007/s10965-021-02467-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Urea entrapment in cellulose acetate microparticles obtained by electrospraying. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02344-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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A Mini-Review on Chitosan-Based Hydrogels with Potential for Sustainable Agricultural Applications. Polymers (Basel) 2020; 12:polym12102425. [PMID: 33096639 PMCID: PMC7590028 DOI: 10.3390/polym12102425] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 11/24/2022] Open
Abstract
Agriculture is an important sector of the economy, but this industry consumes significant amounts of water, which is a precious and limited natural resource. Irrigation techniques and efforts to mitigate water usage influence the growth, survival, and yield of crops. However, superabsorbent polymers in combination with fertilizers can be employed to obtain sustained release of nutrients and improved water retention capacity of the soil. Despite significant recent progress in this area involving synthetic polyacrylate hydrogels, there are no industrially applicable solutions exhibiting similar performance using natural biopolymers or synthetic polymers enriched with natural components. This review focuses on biodegradable chitosan-based hydrogels (both natural and semi-synthetic), and discusses their potential agricultural and horticultural applications. The methods for synthesizing hydrogels via physical or chemical crosslinking, and the resulting functional properties of recently reported hydrogels, such as water retention and release of active ingredients, are presented herein.
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19
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Yang F, Wang J, Song S, Rao P, Wang R, Liu S, Xu L, Zhang F. Novel Controlled Release Microspheric Soil Conditioner Based on the Temperature and pH Dual-Stimuli Response. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:7819-7829. [PMID: 32511910 DOI: 10.1021/acs.jafc.0c01825] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A novel type of temperature and pH dual-stimuli-responsive microspheric soil conditioner was prepared for the controlled release of urea. First, poly(N-isopropylacrylamide-co-methacrylic acid) [P(NIPAM-co-MAA)] was synthesized, and the microspheric soil conditioner was prepared on the basis of chitosan-coated P(NIPAM-co-MAA) via the emulsion cross-linking method. The structure and morphology of the microsphere were characterized by Fourier transform infrared spectroscopy, hydrogen nuclear magnetic resonance, polarization optical microscopy, and scanning electron microscopy. The microsphere showed controlled release behavior in different temperature and pH conditions, indicating good stimuli responsiveness. The plant experiment revealed that the microsphere can effectively promote plant growth in acidified soil and high-temperature conditions, and the pH value of acidified soil could be improved. In addition, the microsphere possessed good biodegradation property in the soil. Therefore, the multi-responsive microspheric soil conditioner owns a great potential value to amend soil conditions and promote plant growth in agriculture applications.
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Affiliation(s)
- Fan Yang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Jincheng Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Shiqiang Song
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Pinhua Rao
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Runkai Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Shihui Liu
- Key Laboratory of Quality and Safety Regulating of Horticultural Crop Products, Ministry of Agriculture, Shanghai 201210, People's Republic of China
- Shanghai Sunqiao Agricultural Science and Technology Company, Limited, Shanghai 201210, People's Republic of China
- Hunan Agricultural University, Changsha, Hunan 410128, People's Republic of China
| | - Liqi Xu
- Shanghai Huita Industrial Company, Limited, Shanghai 201616, People's Republic of China
| | - Feng Zhang
- Shanghai Songfeng Fruit and Vegetable Cooperative, Shanghai 200000, People's Republic of China
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20
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Kaur P, Choudhary R, Pal A, Mony C, Adholeya A. Polymer - Metal Nanocomplexes Based Delivery System: A Boon for Agriculture Revolution. Curr Top Med Chem 2020; 20:1009-1028. [DOI: 10.2174/1568026620666200330160810] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 01/22/2020] [Accepted: 02/18/2020] [Indexed: 01/22/2023]
Abstract
Metal nanoparticles are well known for their antimicrobial properties. The use of metalbased
nanoparticles in the agricultural field has considerably increased globally by both direct and
indirect means for the management of plant diseases. In this context, the development of controlled
delivery systems for slow and sustained release of metal nanoparticles is crucial for prolonged antimicrobial
activity. Polymers have emerged as a valuable carrier for controlled delivery of metal nanoparticles
as agrochemicals because of their distinctive properties. The most significant benefits of encapsulating
metal nanoparticles in a polymer matrix include the ability to function as a protector of metal
nanoparticles and their controlled release with prolonged efficacy. This review focuses on loading
strategies and releasing behavior of metal nanoparticles in the polymer matrix as antimicrobial agents
for plant diseases. The Polymer-metal nanocomplexes (PMNs) comprise a biocompatible polymeric
matrix and metal nanoparticles as active components of an antimicrobial agent, pesticides and plant
growth regulators used to enhance the crop productivity.
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Affiliation(s)
- Pawan Kaur
- Centre of Excellence in Agrinanotechnology, TERI-Deakin Nanobiotechnology Centre, Gurugram-122002, India
| | - Rita Choudhary
- Centre of Excellence in Agrinanotechnology, TERI-Deakin Nanobiotechnology Centre, Gurugram-122002, India
| | - Anamika Pal
- Centre of Excellence in Agrinanotechnology, TERI-Deakin Nanobiotechnology Centre, Gurugram-122002, India
| | - Chanchal Mony
- Centre of Excellence in Agrinanotechnology, TERI-Deakin Nanobiotechnology Centre, Gurugram-122002, India
| | - Alok Adholeya
- Centre of Excellence in Agrinanotechnology, TERI-Deakin Nanobiotechnology Centre, Gurugram-122002, India
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21
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Iftime MM, Irimiciuc SA, Agop M, Angheloiu M, Ochiuz L, Vasincu D. A Theoretical Multifractal Model for Assessing Urea Release from Chitosan Based Formulations. Polymers (Basel) 2020; 12:polym12061264. [PMID: 32492849 PMCID: PMC7362081 DOI: 10.3390/polym12061264] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 05/19/2020] [Accepted: 05/25/2020] [Indexed: 02/07/2023] Open
Abstract
This paper reports the calibration of a theoretical multifractal model based on empirical data on the urea release from a series of soil conditioner systems. To do this, a series of formulations was prepared by in situ hydrogelation of chitosan with salicylaldehyde in the presence of different urea amounts. The formulations were morphologically characterized by scanning electron microscopy and polarized light microscopy. The in vitro urea release was investigated in an environmentally simulated medium. The release data were fitted on five different mathematical models, Korsmeyer–Peppas, Zero order, First order, Higuchi and Hixson–Crowell, which allowed the establishment of a mechanism of urea release. Furthermore, a multifractal model, used for the fertilizer release for the first time, was calibrated using these empirical data. The resulting fit was in good agreement with the experimental data, validating the multifractal theoretical model.
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Affiliation(s)
- Manuela Maria Iftime
- Romanian Academy of Sciences, Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania;
| | - Stefan Andrei Irimiciuc
- National Institute for Laser, Plasma and Radiation Physics—NILPRP, 409 Atomistilor Street, 077125 Bucharest, Romania;
| | - Maricel Agop
- Department of Physics, “Gh. Asachi” Technical University of Iasi, 700050 Iasi, Romania;
| | - Marian Angheloiu
- Center for Services and Research in Advanced Biotechnologies, Calugareni, Sanimed International Impex SRL, Road Bucuresti-Magurele, no. 70 F, sector 5, 077125 Bucharest, Romania;
| | - Lacramioara Ochiuz
- University of Medicine and Farmacy Grigore T. Popa Iasi, 700115 Iaşi, Romania;
- Correspondence:
| | - Decebal Vasincu
- University of Medicine and Farmacy Grigore T. Popa Iasi, 700115 Iaşi, Romania;
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22
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Chacón-Cerdas R, Medaglia-Mata A, Flores-Mora D, Starbird-Pérez R. Synthesis of chitosan, pectin, and chitosan/pectin microspheres by two water-in-oil emulsion crosslinking methods. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-019-00892-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Chitosan and its oligosaccharides, a promising option for sustainable crop production- a review. Carbohydr Polym 2020; 227:115331. [DOI: 10.1016/j.carbpol.2019.115331] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 08/15/2019] [Accepted: 09/11/2019] [Indexed: 12/12/2022]
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24
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Designing chitosan based eco-friendly multifunctional soil conditioner systems with urea controlled release and water retention. Carbohydr Polym 2019; 223:115040. [PMID: 31427019 DOI: 10.1016/j.carbpol.2019.115040] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 06/02/2019] [Accepted: 06/28/2019] [Indexed: 12/22/2022]
Abstract
The paper reports new soil conditioner systems obtained by in situ hydrogelation of chitosan with salicylaldehyde in the presence of urea fertilizer, designed to address both fertilization and water retention of the soil. The new systems were structural, supramolecular and morphological characterized by FTIR spectroscopy, XRD diffraction, POM and SEM microscopy. The rate of urea release has been investigated by NMR analysis and the release mechanism has been assessed by fitting five mathematical models. The formulations showed high water absorbency of 68 g/g, and they induced water holding capacity in soil up to 154% and an increment of the nitrogen content in soil to almost double, leading to a growth of plants with almost 70% higher compared to the reference soil. All these data revealed the new systems as new multifunctional soil conditioner ecoproducts capable to address both fertilizing and water retention issues, with high potential of application for sustainable agriculture.
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25
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Ethylcellulose as a coating material in controlled-release fertilizers. POLISH JOURNAL OF CHEMICAL TECHNOLOGY 2019. [DOI: 10.2478/pjct-2019-0010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Ethylcellulose polymer was used as a coating material in the preparation of controlled release fertilizers. The materials have been prepared with the use of an immersion method. The mass ratio of polymer to fertilizer was in the range of 0.165–0.285 and the layer thickness was in the range of 204–244 μm. Mechanical properties of the prepared materials were significantly better in comparison with the initial fertilizer. Measurements of time and the degree of release of mineral components from the obtained materials were determined with a standard method. Ethylcellulose-coated materials have met the requirements of controlled release fertilizers.
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Chitosan spray-dried microcapsule and microsphere as fertilizer host for swellable − controlled release materials. Carbohydr Polym 2018; 196:47-55. [DOI: 10.1016/j.carbpol.2018.05.014] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 04/17/2018] [Accepted: 05/04/2018] [Indexed: 01/26/2023]
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Achari GA, Kowshik M. Recent Developments on Nanotechnology in Agriculture: Plant Mineral Nutrition, Health, and Interactions with Soil Microflora. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:8647-8661. [PMID: 30036480 DOI: 10.1021/acs.jafc.8b00691] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Plant mineral nutrition is important for obtaining higher agricultural productivity to meet the future demands of the increasing global human population. It is envisaged that nanotechnology can provide sustainable solutions by replacing traditional bulk fertilizers with their nanoparticulate counterparts possessing superior properties to overcome the current challenges of bioavailability and uptake of minerals, increasing crop yield, reducing fertilizer wastage, and protecting the environment. Recent studies have shown that nanoparticles of essential minerals and nonessential elements affect plant growth, physiology, and development, depending on their size, composition, concentration, and mode of application. The current review includes the recent findings on the positive as well as negative effects that nanofertilizers exert on plants when applied via foliar and soil routes, their effects on plant associated microorganisms, and potential for controlling agricultural pests. This review suggests future research needed for the development of sustained release nanofertilizers for enhancing food production and environmental protection.
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Affiliation(s)
- Gauri A Achari
- Department of Biological Sciences , Birla Institute of Technology and Science Pilani , KK Birla Goa Campus, Zuarinagar , Goa 403726 , India
| | - Meenal Kowshik
- Department of Biological Sciences , Birla Institute of Technology and Science Pilani , KK Birla Goa Campus, Zuarinagar , Goa 403726 , India
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Sharif R, Mujtaba M, Ur Rahman M, Shalmani A, Ahmad H, Anwar T, Tianchan D, Wang X. The Multifunctional Role of Chitosan in Horticultural Crops; A Review. Molecules 2018; 23:E872. [PMID: 29642651 PMCID: PMC6017927 DOI: 10.3390/molecules23040872] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/30/2018] [Accepted: 04/06/2018] [Indexed: 12/22/2022] Open
Abstract
Chitosan is a naturally occurring compound and is commercially produced from seafood shells. It has been utilized in the induction of the defense system in both pre and post-harvest fruits and vegetables against fungi, bacteria, viruses, and other abiotic stresses. In addition to that, chitosan effectively improves the physiological properties of plants and also enhances the shelf life of post-harvest produces. Moreover, chitosan treatment regulates several genes in plants, particularly the activation of plant defense signaling pathways. That includes the elicitation of phytoalexins and pathogenesis-related (PR) protein. Besides that, chitosan has been employed in soil as a plant nutrient and has shown great efficacy in combination with other industrial fertilizers without affecting the soil's beneficial microbes. Furthermore, it is helpful in reducing the fertilizer losses due to its coating ability, which is important in keeping the environmental pollution under check. Based on exhibiting such excellent properties, there is a striking interest in using chitosan biopolymers in agriculture systems. Therefore, our current review has been centered upon the multiple roles of chitosan in horticultural crops that could be useful in future crop improvement programs.
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Affiliation(s)
- Rahat Sharif
- College of Horticulture, Northwest A&F University, Yangling 712100, China.
| | - Muhammad Mujtaba
- Institute of Biotechnology, Ankara University, Ankara 06110, Turkey.
| | - Mati Ur Rahman
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling 712100, China.
| | - Abdullah Shalmani
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life sciences, Northwest A&F University, Yangling 712100, China.
| | - Husain Ahmad
- College of Horticulture, Northwest A&F University, Yangling 712100, China.
| | - Toheed Anwar
- Hubei Collaborative Innovation Center for Grain Industry/Research Center of Crop Stresses Resistance Technologies, Yangtze University, Jingzhou 434025, China.
| | - Deng Tianchan
- School of Mechanical Aerospace and Civil Engineering, The University of Manchester, Manchester M13 9PL, UK.
| | - Xiping Wang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, Yangling 712100, China.
- Key Laboratory of Horticultural Plant Biology and Germplasm Innovation in Northwest China, Ministry of Agriculture, Northwest A&F University, Yangling 712100, China.
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Al-Dhabaan FA, Mostafa M, Almoammar H, Abd-Elsalam KA. Chitosan-Based Nanostructures in Plant Protection Applications. NANOTECHNOLOGY IN THE LIFE SCIENCES 2018:351-384. [DOI: 10.1007/978-3-319-91161-8_13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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30
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Milani P, França D, Balieiro AG, Faez R. Polymers and its applications in agriculture. POLIMEROS 2017. [DOI: 10.1590/0104-1428.09316] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Zhou G, Wang L, Li J, Tai J, Su H, Zhang J, Xi Y, Fan Y. A double-lyophilization method for the preparation of CS/GO-COOH scaffold and its application in blood detoxification. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2016; 27:1788-1807. [PMID: 27653978 DOI: 10.1080/09205063.2016.1237451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The accumulation of uremic toxins in blood might induce chronic renal failure (CRF). The incidence of CRF was as high as 10%. The traditional therapy for CRF was hemodialysis, which was more effective to remove small molecules, such as urea and creatinine. However, this detoxification method ignored the tissue functional adaption due to the retention of macromolecule uremic toxins. To solve this problem, this paper developed a new kind of chitosan/carboxyl graphite oxide (CS/GO-COOH) scaffold via a double-lyophilization method. Then, this synthetic scaffold was characterized by Fourier transform infrared spectroscopy, scanning electron microscope, hydrophilic test, mechanical property, and in vitro detoxification test. Covalent bonding and hydrogen bonding were formed, indicating the strong interactions between CS and GO-COOH. There were interconnected networks in the synthesized scaffold. The mechanical test suggested that the GO-2500 scaffold had excellent mechanical strength, which was 7.41 ± 0.82 MPa with 25% shrink. What is more, GO-2500 could totally rebound within 1s, after compressed to 90% shrink. The rates of GO-2500 were 1587 ± 60 and 246 ± 10% according to the water uptake and retention data, respectively. Furthermore, the detoxification of GO-2500 to urea, creatinine, VB12, and β2-m were 67.59 ± 2.31, 39.67 ± 2.95, 31.51 ± 2.62, and 83.82 ± 7.76 mg/g, respectively. The resulting CS/GO-COOH scaffold held great potential for the detoxification of uremic toxins.
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Affiliation(s)
- Gang Zhou
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
| | - Lei Wang
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
| | - Jianchao Li
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
| | - Jun Tai
- b Beijing Key Laboratory for Pediatric Diseases of Otolaryngology, Head and Neck Surgery , Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University , Beijing , China.,c Otolaryngology, Head and Neck Surgery, Beijing Children's Hospital , Capital Medical University , Beijing , China
| | - Haisheng Su
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
| | - Jing Zhang
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
| | - Yuan Xi
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
| | - Yubo Fan
- a Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering , Beihang University , Beijing , China
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Malerba M, Cerana R. Chitosan Effects on Plant Systems. Int J Mol Sci 2016; 17:E996. [PMID: 27347928 PMCID: PMC4964372 DOI: 10.3390/ijms17070996] [Citation(s) in RCA: 151] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 06/01/2016] [Accepted: 06/20/2016] [Indexed: 12/19/2022] Open
Abstract
Chitosan (CHT) is a natural, safe, and cheap product of chitin deacetylation, widely used by several industries because of its interesting features. The availability of industrial quantities of CHT in the late 1980s enabled it to be tested in agriculture. CHT has been proven to stimulate plant growth, to protect the safety of edible products, and to induce abiotic and biotic stress tolerance in various horticultural commodities. The stimulating effect of different enzyme activities to detoxify reactive oxygen species suggests the involvement of hydrogen peroxide and nitric oxide in CHT signaling. CHT could also interact with chromatin and directly affect gene expression. Recent innovative uses of CHT include synthesis of CHT nanoparticles as a valuable delivery system for fertilizers, herbicides, pesticides, and micronutrients for crop growth promotion by a balanced and sustained nutrition. In addition, CHT nanoparticles can safely deliver genetic material for plant transformation. This review presents an overview on the status of the use of CHT in plant systems. Attention was given to the research that suggested the use of CHT for sustainable crop productivity.
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Affiliation(s)
- Massimo Malerba
- Dipartimento di Biotecnologie e Bioscienze, Università degli Studi di Milano-Bicocca, Piazza della Scienza 2, 20126 Milano, Italy.
| | - Raffaella Cerana
- Dipartimento di Scienze dell'Ambiente e del Territorio e di Scienze della Terra, Università degli Studi di Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy.
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Lu P, Zhang Y, Jia C, Li Y, Mao Z. Use of polyurea from urea for coating of urea granules. SPRINGERPLUS 2016; 5:457. [PMID: 27119061 PMCID: PMC4831950 DOI: 10.1186/s40064-016-2120-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Accepted: 04/06/2016] [Indexed: 11/23/2022]
Abstract
A new type of controlled release fertilizers coated with polyurea was prepared. The granulated urea was firstly changed into a liquid urea by heating as the coating liquid. By spraying uniformly the urea was coated with the polyurea synthesized by the reaction of isocyanates with a liquid urea. The effects of different modifiers on N release characteristics of polyurea-coated urea (PCU) were studied. The morphology and chemical structure of PCU coating materials was investigated by SEM and FTIR. We studied the nitrogen release characteristics of the PCU applied in both water and soil, and the biodegradability of PCU coating after buried in soil. The results showed that PCU reduced nitrogen release rate and exhibited excellent controlled release property. The PCU coating materials could biodegrade in soil. This indicated that the low cost PCU products from urea are expected to use in agricultural and horticultural applications.
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Affiliation(s)
- Panfang Lu
- College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, 271018 Shandong People's Republic of China
| | - Yanfei Zhang
- College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, 271018 Shandong People's Republic of China
| | - Cong Jia
- College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, 271018 Shandong People's Republic of China
| | - Yufeng Li
- College of Chemistry and Material Science, Shandong Agricultural University, Tai'an, 271018 Shandong People's Republic of China
| | - Zhiquan Mao
- College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an, 271018 Shandong People's Republic of China
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Kashyap PL, Xiang X, Heiden P. Chitosan nanoparticle based delivery systems for sustainable agriculture. Int J Biol Macromol 2015; 77:36-51. [DOI: 10.1016/j.ijbiomac.2015.02.039] [Citation(s) in RCA: 252] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Revised: 02/03/2015] [Accepted: 02/16/2015] [Indexed: 12/20/2022]
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Tapia-Hernández JA, Torres-Chávez PI, Ramírez-Wong B, Rascón-Chu A, Plascencia-Jatomea M, Barreras-Urbina CG, Rangel-Vázquez NA, Rodríguez-Félix F. Micro- and nanoparticles by electrospray: advances and applications in foods. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:4699-707. [PMID: 25938374 DOI: 10.1021/acs.jafc.5b01403] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Micro- and nanotechnology are tools being used strongly in the area of food technology. The electrospray technique is booming because of its importance in developing micro- and nanoparticles containing an active ingredient as bioactive compounds, enhancing molecules of flavors, odors, and packaging coatings, and developing polymers that are obtained from food (proteins, carbohydrates), as chitosan, alginate, gelatin, agar, starch, or gluten. The electrospray technique compared to conventional techniques such as nanoprecipitation, emulsion-diffusion, double-emulsification, and layer by layer provides greater advantages to develop micro- and nanoparticles because it is simple, low cost, uses a low amount of solvents, and products are obtained in one step. This technique could also be applied in the agrifood sector for the preparation of controlled and/or prolonged release systems of fertilizer or agrochemicals, for which more research must be conducted.
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Affiliation(s)
- José A Tapia-Hernández
- †Department of Food Research and Graduate Program (DIPA), University of Sonora, Hermosillo, Sonora, Mexico
| | - Patricia I Torres-Chávez
- †Department of Food Research and Graduate Program (DIPA), University of Sonora, Hermosillo, Sonora, Mexico
| | - Benjamín Ramírez-Wong
- †Department of Food Research and Graduate Program (DIPA), University of Sonora, Hermosillo, Sonora, Mexico
| | - Agustín Rascón-Chu
- ‡Laboratory of Biopolymers, Research Center for Food and Development, CIAD, A. C., 83000 Hermosillo, Sonora, Mexico
| | - Maribel Plascencia-Jatomea
- †Department of Food Research and Graduate Program (DIPA), University of Sonora, Hermosillo, Sonora, Mexico
| | - Carlos G Barreras-Urbina
- †Department of Food Research and Graduate Program (DIPA), University of Sonora, Hermosillo, Sonora, Mexico
| | - Norma A Rangel-Vázquez
- §Department of Metalmechanical, Aguascalientes Institute of Technological, Aguascalientes, Aguascalientes, Mexico
| | - Francisco Rodríguez-Félix
- †Department of Food Research and Graduate Program (DIPA), University of Sonora, Hermosillo, Sonora, Mexico
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Roshanravan B, Soltani SM, Rashid SA, Mahdavi F, Yusop MK. Enhancement of nitrogen release properties of urea–kaolinite fertilizer with chitosan binder. CHEMICAL SPECIATION & BIOAVAILABILITY 2015. [DOI: 10.1080/09542299.2015.1023090] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Timilsena YP, Adhikari R, Casey P, Muster T, Gill H, Adhikari B. Enhanced efficiency fertilisers: a review of formulation and nutrient release patterns. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2015; 95:1131-42. [PMID: 25043832 DOI: 10.1002/jsfa.6812] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 06/18/2014] [Accepted: 07/04/2014] [Indexed: 05/21/2023]
Abstract
Fertilisers are one of the most important elements of modern agriculture. The application of fertilisers in agricultural practices has markedly increased the production of food, feed, fuel, fibre and other plant products. However, a significant portion of nutrients applied in the field is not taken up by plants and is lost through leaching, volatilisation, nitrification, or other means. Such a loss increases the cost of fertiliser and severely pollutes the environment. To alleviate these problems, enhanced efficiency fertilisers (EEFs) are produced and used in the form of controlled release fertilisers and nitrification/urease inhibitors. The application of biopolymers for coating in EEFs, tailoring the release pattern of nutrients to closely match the growth requirement of plants and development of realistic models to predict the release pattern of common nutrients have been the foci of fertiliser research. In this context, this paper intends to review relevant aspects of new developments in fertiliser production and use, agronomic, economic and environmental drives for enhanced efficiency fertilisers and their formulation process and the nutrient release behaviour. Application of biopolymers and complex coacervation technique for nutrient encapsulation is also explored as a promising technology to produce EEFs.
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Affiliation(s)
- Yakindra Prasad Timilsena
- School of Applied Sciences, RMIT University, City Campus, Melbourne, VIC 3001, Australia; CSIRO Materials Science and Engineering, Clayton South, VIC 3169, Australia
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Chang A. pH-sensitive starch-g-poly(acrylic acid)/sodium alginate hydrogels for controlled release of diclofenac sodium. IRANIAN POLYMER JOURNAL 2015. [DOI: 10.1007/s13726-015-0311-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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A comprehensive review on biodegradable polymers and their blends used in controlled-release fertilizer processes. REV CHEM ENG 2015. [DOI: 10.1515/revce-2014-0021] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractBiodegradable polymer-coated controlled-release fertilizers (PC-CRFs) are essential means to reduce cost, improve marketability, conserve land fertility, achieve high crop yields and combat climate challenges. It is known that about 15–30% of any fertilizer packed in a PC-CRF does not get released due to the concentration gradient difference across the polymer coatings. To release the trapped fertilizer(s), it is desired that polymer-based coatings should biodegrade after the fertilizer is completely released into the soil. This review has aimed to provide a comprehensive account for various biodegradable polymers/blends derived either from natural or synthetic sources which are cited in the literature for PC-CRFs. In addition, this review covers the discussion on their classification criteria, trends in the processes of fertilizer coatings, methodological issues for their biodegradation assessment, coating attributes that affect the biodegradability and an outlook into their biodegradation kinetic models that involve enzymes and microbial processes. It also concludes that experimental as well as modeling data are insufficient to assess the biodegradation contribution of the overall nutrient release in PC-CRFs.
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Jafar Mazumder MA. Polyelectrolyte complexation between cationic and anionic polyelectrolytes with complementary polymer-bound reactive groups of amine and acetoacetate: effect of mono- and divalent salts. IRANIAN POLYMER JOURNAL 2014. [DOI: 10.1007/s13726-014-0239-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Chen C, Gao Z, Qiu X, Hu S. Enhancement of the controlled-release properties of chitosan membranes by crosslinking with suberoyl chloride. Molecules 2013; 18:7239-52. [PMID: 23783458 PMCID: PMC6270360 DOI: 10.3390/molecules18067239] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 06/07/2013] [Accepted: 06/17/2013] [Indexed: 11/29/2022] Open
Abstract
A novel crosslinking agent, suberoyl chloride, was used to crosslink N-phthaloyl acylated chitosan and improves the properties of chitosan membranes. Membranes with different crosslinking degrees were synthesized. The derivatives were characterized by Fourier transform infrared spectroscopy and ¹³C solid state nuclear magnetic resonance spectroscopy, which indicated that the crosslinking degrees ranged from 0 to 7.4%. The permeabilities of various plant nutrients, including macroelements (N, P, K), microelements (Zn²⁺ and Cu²⁺), and a plant growth regulator (naphthylacetic acid), were varied by moderate changes in crosslinking degree, indicating that the controlled-release properties can be regulated in this way. The film-forming ability of native chitosan was maintained, whilst mechanical properties, hydrophobicity and controlled permeability were improved. These dramatic improvements occurred with a small amount of added suberoyl chloride; excessive crosslinking led to membranes with unwanted poor permeability. Thus, both the mechanical properties and permeability of the crosslinked membrane can be optimized.
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Affiliation(s)
| | | | | | - Shuwen Hu
- Department of Environmental Sciences & Engineering, College of Resources & Environmental Sciences, China Agricultural University, Beijing 100193, China; E-Mails: (C.C.); (Z.G.); (X.Q.)
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42
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Enzyme-based green approach for the synthesis of gum tragacanth and acrylic acid cross-linked hydrogel: its utilization in controlled fertilizer release and enhancement of water-holding capacity of soil. IRANIAN POLYMER JOURNAL 2013. [DOI: 10.1007/s13726-013-0155-1] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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