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Cheng X, Wang A, Cao L, Cao C, Zhao P, Yu M, Zheng L, Huang Q. Efficient delivery of the herbicide quinclorac by nanosuspension for enhancing deposition, uptake and herbicidal activity. PEST MANAGEMENT SCIENCE 2024. [PMID: 38884421 DOI: 10.1002/ps.8182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/26/2024] [Accepted: 05/05/2024] [Indexed: 06/18/2024]
Abstract
BACKGROUND The presence of barnyardgrass poses a threat to global food security by reducing rice yields. Currently, herbicides are primarily applied for weed management. However, the effectiveness of herbicide deposition and uptake on barnyardgrass is limited as a consequence of the high wax content on leaves, low water solubility and extreme lipophilicity of herbicides. Therefore, it is imperative to develop novel formulations for efficient delivery of herbicides to improve herbicidal activity and reduce dosage. RESULTS We successfully prepared nanosuspension(s) (NS) of quinclorac through the wet media milling technique. This NS demonstrates excellent physical stability and maintains nanoscale during dose transfer. The deposition concentration and uptake concentration of NS on barnyardgrass were 3.84-4.47- and 2.11-2.58-fold greater than those traditional formulations, respectively. Moreover, the NS exhibited enhanced herbicidal activity against barnyardgrass at half the dosage required by conventional formulations without compromising rice safety. CONCLUSIONS These findings suggest that NS can effectively facilitate the delivery of hydrophobic and poorly water-soluble herbicide active ingredients, thereby enhancing their deposition, uptake and bioactivity. This study expands the potential application of NS in pesticide delivery, which can provide valuable support for optimizing pesticide utilization, improving economic efficiency and mitigating environmental risks. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Xuejian Cheng
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
| | - Aiping Wang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
| | - Lidong Cao
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
| | - Chong Cao
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
| | - Pengyue Zhao
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
| | - Manli Yu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
| | - Li Zheng
- College of Science, China Agricultural University, Beijing, P. R. China
| | - Qiliang Huang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, P. R. China
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2
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Du Q, Gao F, Cui B, Wang T, Chen F, Zeng Z, Sun C, Zhou X, Cui H. Improving the Stability, Foliar Utilization and Biological Activity of Imidacloprid Delivery Systems: Size Effect of Nanoparticles. ENVIRONMENTAL RESEARCH 2024:119386. [PMID: 38852833 DOI: 10.1016/j.envres.2024.119386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 06/04/2024] [Accepted: 06/06/2024] [Indexed: 06/11/2024]
Abstract
Nanotechnology could improve the effectiveness and functionality of pesticides, but the size effect of nanopesticides on formulation performance and the related mechanisms have yet to be explored, hindering the precise design and development of efficient and eco-friendly nanopesticides. In this study, two non-carrier-coated imidacloprid formulations (Nano-IMI and Micro-IMI) with identical composition but varying particle size characteristics were constructed to exclude other interferences in the size effect investigation. Nano-IMI and Micro-IMI both exhibited rod-like structures. Specifically, Nano-IMI had average vertical and horizontal axis sizes of 239.5 nm and 561.8 nm, while Micro-IMI exhibited 6.7 μm and 22.1 μm, respectively. Compared to Micro-IMI, the small size effect of Nano-IMI affected the arrangement of interfacial molecules, reduced surface tension and contact angle, thereby improving the stability, dispersibility, foliar wettability, deposition and retention of the nano-system. Nano-IMI exhibited 1.3 times higher toxicity to Aphis gossypii Glover compared to Micro-IMI, attributed to its enhanced foliar utilization efficiency. Importantly, the Nano-IMI did not intensify the toxicity to non-target organism Apis mellifera L. This study systematically elucidates the influence of size effect on key indicators related to the effectiveness and safety, providing a theoretical basis for efficient and safe application of nanopesticides and critical insights into sustainable agriculture and environmental development.
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Affiliation(s)
- Qian Du
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Fei Gao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Bo Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China.
| | - Tingyu Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Fangyuan Chen
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Zhanghua Zeng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Changjiao Sun
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
| | - Xinhua Zhou
- School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong, 510225, P. R. China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, P. R. China
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3
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Dong W, Ren Y, Xue H. Fabrication and application of carrier-free and carrier-based nanopesticides in pest management. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2024; 116:e22124. [PMID: 38860794 DOI: 10.1002/arch.22124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/04/2024] [Accepted: 05/21/2024] [Indexed: 06/12/2024]
Abstract
Pesticides are widely used for pest control to promote sustained and stable growth of agricultural production. However, indiscriminate pesticide usage poses a great threat to environmental and human health. In recent years, nanotechnology has shown the ability to increase the performance of conventional pesticides and has great potential for improving adhesion to crop foliage, solubility, stability, targeted delivery, and so forth. This review discusses two types of nanopesticides, namely, carrier-free nanopesticides and carrier-based nanopesticides, that can precisely release necessary and sufficient amounts of active ingredients. At first, the basic characterization and preparation methods of these two distinct types of nanopesticides are briefly summarized. Subsequently, current applications and future perspectives on scientific examples and strategies for promoting the usage efficacy and reducing the environmental risks of these nanopesticides were also described. Overall, nanopesticides can promote higher crop yields and lay the foundation for sustainable agriculture and global food security.
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Affiliation(s)
- Wenhao Dong
- Tianjin Key Laboratory of Food and Biotechnology, School of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin, China
| | - Yipeng Ren
- Institute of Entomology, College of Life Sciences, Nankai University, Tianjin, China
| | - Huaijun Xue
- Institute of Entomology, College of Life Sciences, Nankai University, Tianjin, China
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4
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Ding X, Guo L, Du Q, Wang T, Zeng Z, Wang Y, Cui H, Gao F, Cui B. Preparation and Comprehensive Evaluation of the Efficacy and Safety of Chlorantraniliprole Nanosuspension. TOXICS 2024; 12:78. [PMID: 38251033 PMCID: PMC10818841 DOI: 10.3390/toxics12010078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 01/23/2024]
Abstract
Chlorantraniliprole is a broad-spectrum insecticide that has been widely used to control pests in rice fields. Limited by its low solubility in both water and organic solvents, the development of highly efficient and environmentally friendly chlorantraniliprole formulations remains challenging. In this study, a low-cost and scalable wet media milling technique was successfully employed to prepare a chlorantraniliprole nanosuspension. The average particle size of the extremely stable nanosuspension was 56 nm. Compared to a commercial suspension concentrate (SC), the nanosuspension exhibited superior dispersibility, as well as superior foliar wetting and retention performances, which further enhanced its bioavailability against Cnaphalocrocis medinalis. The nanosuspension dosage could be reduced by about 40% while maintaining a comparable efficacy to that of the SC. In addition, the chlorantraniliprole nanosuspension showed lower residual properties, a lower toxicity to non-target zebrafish, and a smaller effect on rice quality, which is conducive to improving food safety and the ecological safety of pesticide formulations. In this work, a novel pesticide-reduction strategy is proposed, and theoretical and data-based support is provided for the efficient and safe application of nanopesticides.
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Affiliation(s)
- Xiquan Ding
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Liang Guo
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China
| | - Qian Du
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Tingyu Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhanghua Zeng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yan Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Fei Gao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Bo Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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5
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Ma L, Yu M, Ma Y, Gao L, Pan S, Li X, Wu X, Xu Y, Pang S, Wang P. Ascendancy of pyraclostrobin nanocapsule formulation against Rhizoctonia solani: From a perspective of fungus. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 197:105682. [PMID: 38072539 DOI: 10.1016/j.pestbp.2023.105682] [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: 09/09/2023] [Revised: 11/02/2023] [Accepted: 11/02/2023] [Indexed: 12/18/2023]
Abstract
High-performance pesticide formulations are essential for sustainable agriculture. Among these, nano-pesticides exhibit great advantages in pest control because of their unique size effects. However, the direct effects of nano-formulation fungicides on fungal pathogens remain largely unexplored. In this study, three qualified formulations, suspension concentrate (SC), microcapsules (CS), and nanocapsules (NCS) of pyraclostrobin (PYR) were prepared and utilized to reveal their biocontrol activities against Rhizoctonia solani. Among these three formulations, NCS exhibited notable biocontrol efficacy against R. solani exemplified by an EC50 of 0.319 mg/L for mycelia, distortion of mycelia and abnormalities in cell ultrastructure. Moreover, NCS displayed excellent internalization within R. solani mycelia, contributing to severe damage to cell membrane permeability. Importantly, an equivalent quantity of NCS-PYR showed potent inhibitory effects on the target pathogen, as indicated by reduced adenosine triphosphate (ATP) content and mitochondrial Complex III activity. The NCS consistently exhibited superior in vivo protective and curative activities against R. solani compared to those of CS and SC in rice and faba bean. In summary, we uncovered the strength of rapid efficacy and biocontrol activity of NCS against R. solani and elucidated the advantages of NCS-PYR from the perspective of the target pathogen in agriculture.
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Affiliation(s)
- Li Ma
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Meng Yu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Yingjian Ma
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Linying Gao
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Shouhe Pan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Xuefeng Li
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Xuemin Wu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Yong Xu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Sen Pang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China
| | - Ping Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, China Agricultural University, Beijing 100193, China.
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6
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Xuan L, Ju Z, Skonieczna M, Zhou P, Huang R. Nanoparticles-induced potential toxicity on human health: Applications, toxicity mechanisms, and evaluation models. MedComm (Beijing) 2023; 4:e327. [PMID: 37457660 PMCID: PMC10349198 DOI: 10.1002/mco2.327] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 06/04/2023] [Accepted: 06/09/2023] [Indexed: 07/18/2023] Open
Abstract
Nanoparticles (NPs) have become one of the most popular objects of scientific study during the past decades. However, despite wealth of study reports, still there is a gap, particularly in health toxicology studies, underlying mechanisms, and related evaluation models to deeply understanding the NPs risk effects. In this review, we first present a comprehensive landscape of the applications of NPs on health, especially addressing the role of NPs in medical diagnosis, therapy. Then, the toxicity of NPs on health systems is introduced. We describe in detail the effects of NPs on various systems, including respiratory, nervous, endocrine, immune, and reproductive systems, and the carcinogenicity of NPs. Furthermore, we unravels the underlying mechanisms of NPs including ROS accumulation, mitochondrial damage, inflammatory reaction, apoptosis, DNA damage, cell cycle, and epigenetic regulation. In addition, the classical study models such as cell lines and mice and the emerging models such as 3D organoids used for evaluating the toxicity or scientific study are both introduced. Overall, this review presents a critical summary and evaluation of the state of understanding of NPs, giving readers more better understanding of the NPs toxicology to remedy key gaps in knowledge and techniques.
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Affiliation(s)
- Lihui Xuan
- Department of Occupational and Environmental HealthXiangya School of Public HealthCentral South UniversityChangshaHunanChina
| | - Zhao Ju
- Department of Occupational and Environmental HealthXiangya School of Public HealthCentral South UniversityChangshaHunanChina
| | - Magdalena Skonieczna
- Department of Systems Biology and EngineeringInstitute of Automatic ControlSilesian University of TechnologyGliwicePoland
- Biotechnology Centre, Silesian University of TechnologyGliwicePoland
| | - Ping‐Kun Zhou
- Beijing Key Laboratory for RadiobiologyDepartment of Radiation BiologyBeijing Institute of Radiation MedicineBeijingChina
| | - Ruixue Huang
- Department of Occupational and Environmental HealthXiangya School of Public HealthCentral South UniversityChangshaHunanChina
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7
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Shelar A, Nile SH, Singh AV, Rothenstein D, Bill J, Xiao J, Chaskar M, Kai G, Patil R. Recent Advances in Nano-Enabled Seed Treatment Strategies for Sustainable Agriculture: Challenges, Risk Assessment, and Future Perspectives. NANO-MICRO LETTERS 2023; 15:54. [PMID: 36795339 PMCID: PMC9935810 DOI: 10.1007/s40820-023-01025-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/20/2023] [Indexed: 05/14/2023]
Abstract
Agro seeds are vulnerable to environmental stressors, adversely affecting seed vigor, crop growth, and crop productivity. Different agrochemical-based seed treatments enhance seed germination, but they can also cause damage to the environment; therefore, sustainable technologies such as nano-based agrochemicals are urgently needed. Nanoagrochemicals can reduce the dose-dependent toxicity of seed treatment, thereby improving seed viability and ensuring the controlled release of nanoagrochemical active ingredients However, the applications of nanoagrochemicals to plants in the field raise concerns about nanomaterial safety, exposure levels, and toxicological implications to the environment and human health. In the present comprehensive review, the development, scope, challenges, and risk assessments of nanoagrochemicals on seed treatment are discussed. Moreover, the implementation obstacles for nanoagrochemicals use in seed treatments, their commercialization potential, and the need for policy regulations to assess possible risks are also discussed. Based on our knowledge, this is the first time that we have presented legendary literature to readers in order to help them gain a deeper understanding of upcoming nanotechnologies that may enable the development of future generation seed treatment agrochemical formulations, their scope, and potential risks associated with seed treatment.
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Affiliation(s)
- Amruta Shelar
- Department of Technology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India
| | - Shivraj Hariram Nile
- Zhejiang Provincial International S&T Cooperation Base for Active Ingredients of Medicinal and Edible Plants and Health, School of Pharmaceutical Science, Jinhua Academy, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, People's Republic of China.
| | - Ajay Vikram Singh
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse, 10589, Berlin, Germany
| | - Dirk Rothenstein
- Institute for Materials Science, University of Stuttgart, 70569, Stuttgart, Germany
| | - Joachim Bill
- Institute for Materials Science, University of Stuttgart, 70569, Stuttgart, Germany
| | - Jianbo Xiao
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Manohar Chaskar
- Faculty of Science and Technology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
| | - Guoyin Kai
- Zhejiang Provincial International S&T Cooperation Base for Active Ingredients of Medicinal and Edible Plants and Health, School of Pharmaceutical Science, Jinhua Academy, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, People's Republic of China.
| | - Rajendra Patil
- Department of Technology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
- Department of Biotechnology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
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8
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Lv S, Peng L, Zhao Y, Zou X, Sun L. Fabrication of Janus silica nanocarriers for enhancing foliage retention. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Zhou Y, Wu J, Zhou J, Lin S, Cheng D. pH-responsive release and washout resistance of chitosan-based nano-pesticides for sustainable control of plumeria rust. Int J Biol Macromol 2022; 222:188-197. [PMID: 36150567 DOI: 10.1016/j.ijbiomac.2022.09.144] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/01/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022]
Abstract
Controlled pesticide release in response to environmental stimuli by encapsulating pesticides in a carrier is a feasible approach to improve the effective utilization rate. In this study, pH-responsive release nanoparticles loaded with penconazole (PE) were prepared by ionic cross-linking of chitosan and carboxymethyl chitosan (PE@CS/CMCS-NPs). PE@CS/CMCS-NPs exhibited good washout resistance and wettability properties, increasing the washing resistance of the pesticide by approximately 20 times under continuous washing. The results of the release experiments showed that nanoparticles had adjustable controlled-release characteristics with the change in pH based on the swelling of nanoparticles. The results of spore germination experiments showed that PE@CS/CMCS-NPs enhanced the inhibitory effect under acidic conditions. The field experiment results showed that PE@CS/CMCS-NPs had a better control effect than PE-aqueous solution, extended the duration and slowed down the dissipation of PE. These results indicated that the CS/CMCS-NPs pH-responsive release system has great potential in the development of an effective pesticide formulation.
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Affiliation(s)
- Yi Zhou
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Jiyingzi Wu
- Guangdong Biological Pesticide Engineering Technology Research Center, South China Agricultural University, Guangzhou 510642, China
| | - Jun Zhou
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
| | - Sukun Lin
- Guangdong Biological Pesticide Engineering Technology Research Center, South China Agricultural University, Guangzhou 510642, China
| | - Dongmei Cheng
- College of Agriculture and Biology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
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Caramona A, Coimbra I, Pinto T, Aparício S, Madeira PJA, Ribeiro HM, Marto J, Almeida AJ. Repurposing of Marine Raw Materials in the Formulation of Innovative Plant Protection Products. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4221-4242. [PMID: 35357173 DOI: 10.1021/acs.jafc.2c00038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Over the years, the growth of the world population has caused a huge agricultural production to support the population's needs. Since plant protection products are essential to preserve agricultural crops and to optimize vital plant processes, it is crucial to use more sustainable, biodegradable, and biocompatible raw materials, without harming the environment and human health. Although the development of new plant protection products is a costly process, the environmental benefits should be considered. In this context, marine raw materials obtained as byproducts of fishing industries, possessing a wide variety of physicochemical and biological properties, can serve as a promising source of such materials. They have a high potential for developing alternative and safe formulations for agricultural applications, not only as biocompatible excipients but also as effective and selective, or even both. It is also possible to promote a synergistic effect between an active substance and the biological activity of the marine polymer used in the formulation, enabling plant protection products with lower concentrations of the active substances. Thus, this review addresses the repurposing of marine raw materials for the development of innovative plant protection products, focusing on micro- and nanoparticulate formulations, to protect the environment through more ecological and sustainable strategies.
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Affiliation(s)
- Aline Caramona
- iMed.ULisboa, Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Inês Coimbra
- Ascenza Agro SA, Av. do Rio Tejo, Herdade das Praias, 2910-440 Setúbal, Portugal
| | - Teresa Pinto
- Ascenza Agro SA, Av. do Rio Tejo, Herdade das Praias, 2910-440 Setúbal, Portugal
| | - Sónia Aparício
- Ascenza Agro SA, Av. do Rio Tejo, Herdade das Praias, 2910-440 Setúbal, Portugal
| | | | - Helena Margarida Ribeiro
- iMed.ULisboa, Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Joana Marto
- iMed.ULisboa, Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - António José Almeida
- iMed.ULisboa, Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
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11
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Wang X, Yu K, Du M, Hu X, Li S, Tan W, Zhang X. Preparation and application of thidiazuron nanoparticles via electrostatic self-assembly as defoliant in cotton. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Yang J, Feng J, He K, Chen Z, Chen W, Cao H, Yuan S. Preparation of thermosensitive buprofezin-loaded mesoporous silica nanoparticles by the sol-gel method and their application in pest control. PEST MANAGEMENT SCIENCE 2021; 77:4627-4637. [PMID: 34087044 DOI: 10.1002/ps.6502] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/14/2021] [Accepted: 06/04/2021] [Indexed: 05/18/2023]
Abstract
BACKGROUND Environmental stimuli-responsive release is one important way to reduce the dosage of pesticide, increase the usage efficiency and improve environmental compatibility. RESULTS On this basis, we synthesized mesoporous silica nanoparticles (MSNs) and modified them to develop a thermosensitive pesticide controlled release formulation (CRF). In this study, MSNs prepared by the sol-gel method were used as the core, poly (N-IsoPropylAcrylaMide) [P (NIPAM-MAA)] was used as the shell, and buprofezin (Bup) was loaded by adsorption. The prepared Bup@MSNs@P(NIPAM-MAA) could effectively prevent the degradation of buprofezin under UV light and exhibited excellent adhesion to rice leaves. The bioassay results showed that the mortality of Nilaparvata lugens (Stål) treated by Bup@MSNs@P(NIPAM-MAA) was positively correlated with temperature, resulting mainly from the change of release amount of buprofezin caused by temperature variation. Bup@MSNs@P(NIPAM-MAA) had long duration (20 days) for controlling N. lugens, and did not hinder the growth of rice. Meanwhile, Bup@MSNs@P(NIPAM-MAA) had low toxicity to zebrafish and human pneumonocyte BEAS-2B cells. CONCLUSION This novel thermosensitive pesticide CRF can be applied widely to other insecticides, thus greatly promoting the development of intelligent pesticide formulations. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Jinghan Yang
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Jianguo Feng
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Kangli He
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Zhiyang Chen
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Wang Chen
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Hongen Cao
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
| | - Shuzhong Yuan
- School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, China
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Song S, Jiang X, Shen H, Wu W, Shi Q, Wan M, Zhang J, Mo H, Shen J. MXene (Ti 3C 2) Based Pesticide Delivery System for Sustained Release and Enhanced Pest Control. ACS APPLIED BIO MATERIALS 2021; 4:6912-6923. [PMID: 35006991 DOI: 10.1021/acsabm.1c00607] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A multifunctional nanomaterials based pesticide delivery system provides a powerful strategy for the efficient utilization of pesticides. We present here the application of a 2D MXene (Ti3C2) nanomaterial for pesticide delivery and plant protection. Avermectin (AV), a hydrophobic and unstable insecticide, was chosen as the model pesticide. In our study, AV@Ti3C2 was formed by fast adsorption of AV on Ti3C2, with a maximum loading capacity of 81.44%. Compared with hydrophobic AV, AV@Ti3C2 exhibited significantly improved water solubility, which is beneficial for ensuring the bioactivity of pesticide. The AV@Ti3C2 nanoformulation showed pH responsive slow-release behavior, overcoming the burst-release of conventional AV formulations. Besides, AV@Ti3C2 possessed excellent photostability under UV irradiation, which prolonged the persistent period of AV. Therefore, AV@Ti3C2 performed sustaining and enhanced antipest activity, according to the bioactivity assay. Furthermore, AV@Ti3C2 showed satisfactory biosafety, with no negative effect to the germination and growth of maize. Our current research provides a potential candidate, AV@Ti3C2, for pest control, and also broadens the application of 2D MXene materials in plant protection and sustainable agriculture.
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Affiliation(s)
- Saijie Song
- National & Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Xuefeng Jiang
- National & Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - He Shen
- CAS Key Laboratory of Nano-Bio Interface, CAS Center for Excellence in Nanoscience, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, P. R. China
| | - Wenneng Wu
- Food and Pharmaceutical Engineering Institute, Guiyang University, Guiyang 550005, P. R. China
| | - Qiaoqiao Shi
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu 212003, P. R. China
| | - Minghui Wan
- National & Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Jun Zhang
- National & Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Hong Mo
- National & Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
| | - Jian Shen
- National & Local Joint Engineering Research Center of Biomedical Functional Materials, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Engineering Research Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China
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Wang C, Cui B, Wang Y, Wang M, Zeng Z, Gao F, Sun C, Guo L, Zhao X, Cui H. Preparation and Size Control of Efficient and Safe Nanopesticides by Anodic Aluminum Oxide Templates-Assisted Method. Int J Mol Sci 2021; 22:8348. [PMID: 34361113 PMCID: PMC8347391 DOI: 10.3390/ijms22158348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 11/25/2022] Open
Abstract
Efficient and safe nanopesticides play an important role in pest control due to enhancing target efficiency and reducing undesirable side effects, which has become a hot spot in pesticide formulation research. However, the preparation methods of nanopesticides are facing critical challenges including low productivity, uneven particle size and batch differences. Here, we successfully developed a novel, versatile and tunable strategy for preparing buprofezin nanoparticles with tunable size via anodic aluminum oxide (AAO) template-assisted method, which exhibited better reproducibility and homogeneity comparing with the traditional method. The storage stability of nanoparticles at different temperatures was evaluated, and the release properties were also determined to evaluate the performance of nanoparticles. Moreover, the present method is further demonstrated to be easily applicable for insoluble drugs and be extended for the study of the physicochemical properties of drug particles with different sizes.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Xiang Zhao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (C.W.); (B.C.); (Y.W.); (M.W.); (Z.Z.); (F.G.); (C.S.); (L.G.)
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China; (C.W.); (B.C.); (Y.W.); (M.W.); (Z.Z.); (F.G.); (C.S.); (L.G.)
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15
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Corrias F, Melis A, Atzei A, Marceddu S, Dedola F, Sirigu A, Pireddu R, Lai F, Angioni A. Zoxamide accumulation and retention evaluation after nanosuspension technology application in tomato plant. PEST MANAGEMENT SCIENCE 2021; 77:3508-3518. [PMID: 33837628 DOI: 10.1002/ps.6404] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/09/2021] [Indexed: 05/27/2023]
Abstract
BACKGROUND Low water solubility of pesticide requires formulations with high levels of stabilizers and organic solvents. Moreover, only 0.1% of the applied pesticides formulation reaches the target, while 99.9% spreads in the surrounding environment. Therefore, there is the need for more efficient and environmentally sustainable alternatives. RESULTS Zoxamide (ZO) nanosuspension was prepared through a media milling technique by using the stabilizer polysorbate 80. The thin and acicular crystals obtained, showed particle size of 227 nm, polydispersion index of 0.247 and zeta potential of -28 mV. Dimensional data and morphology of ZO nanocrystals alone, on tomato leaves and berries, were confirmed by scanning electron microscopy. The reduction in size for ZO crystals obtained after the milling process increased pesticide water solubility till 39.6 mg L-1 , about 1.6 the solubility obtained with a conventional commercial formulation. Field and dip contamination trials performed on tomato plants showed the nanosuspension's ability to increase ZO deposition and accumulation versus a coarse ZO suspension and commercial formulation, respectively. CONCLUSIONS The nanoformulation proposed, resulted in low cost and was easy to make. Moreover, the organic solvent-free composition together with a low surfactant addition assured a minor environmental impact. Finally, the increased retention and deposition of the fungicide can reduce the amounts of ZO formulation applied to tomatoes. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Francesco Corrias
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, Cagliari, Italy
| | - Anna Melis
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, Cagliari, Italy
| | - Alessandro Atzei
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, Cagliari, Italy
| | - Salvatore Marceddu
- Institute of Sciences of Food Production (ISPA-CNR), Baldinca (Sassari), Italy
| | - Fabrizio Dedola
- Agricultural Research Agency of Sardinia (AGRIS), Service of Environmental Studies, Crop Protection and Production Quality, Cagliari, Italy
| | - Antonella Sirigu
- Agricultural Research Agency of Sardinia (AGRIS), Service of Environmental Studies, Crop Protection and Production Quality, Cagliari, Italy
| | - Rosa Pireddu
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, Cagliari, Italy
| | - Francesco Lai
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, Cagliari, Italy
| | - Alberto Angioni
- Department of Life and Environmental Science, Food Toxicology Unit, University of Cagliari, University Campus of Monserrato, Cagliari, Italy
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16
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Tian Z, Mai Y, Meng T, Ma S, Gou G, Yang J. Nanocrystals for Improving Oral Bioavailability of Drugs: Intestinal Transport Mechanisms and Influencing Factors. AAPS PharmSciTech 2021; 22:179. [PMID: 34128132 DOI: 10.1208/s12249-021-02041-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 05/06/2021] [Indexed: 02/07/2023] Open
Abstract
With the limitation of solubility and dissolution rate of insoluble drugs, following oral administration, they would rifely prove poor and volatile bioavailability, which may fail to realize its therapeutic value. The drug nanocrystals are perceived as effective tactic for oral administration of insoluble drugs attributes to possess many prominent properties such as elevating dissolution rate and saturation solubility, high drug loading capacity, and improving oral bioavailability. Based on these advantages, the application of nanocrystals in oral drug delivery has acquired significant achievement, and so far more than 20 products of drug nanocrystals have been confirmed in the market. However, the oral absorption of drug nanocrystals is still facing huge challenges due to the limitation of many factors. Intrinsic properties of the drugs and complex physiological environment of the intestinal tract are the two most important factors affecting the oral bioavailability of drugs. In addition, the research on the multi-aspect mechanisms of nanocrystals promoting gastrointestinal absorption and bioavailability has been gradually deepened. In this review, we summarized recent advances of the nanocrystals delivered orally, and provided an overview to the research progress for crossing the intestinal tract transport mechanisms of the nanocrystals by some new research techniques. Meanwhile, the factors relevant to the transport of drug nanocrystals were also elaborated in detail. Graphical Abstract.
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Karakucuk A, Tort S, Han S, Oktay AN, Celebi N. Etodolac nanosuspension based gel for enhanced dermal delivery: in vitro and in vivo evaluation. J Microencapsul 2021; 38:218-232. [PMID: 33752553 DOI: 10.1080/02652048.2021.1895344] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AIM The objective of this study was to develop dermal nanosuspension (NS) based gel formulation of etodolac (ETD). METHODS Etodolac nanosuspension (ETD-NS) was prepared by wet milling method and dispersed in hydroxypropyl methylcellulose (NS-HPMC) or hydroxyethyl cellulose (NS-HEC) gels. Rheologic and mechanical properties were investigated. In vitro and ex vivo permeability studies were performed. Topical anti-inflammatory and analgesic activity were evaluated in regard to carrageenan-induced inflammatory paw oedema and radiant heat tail-flick method, respectively. RESULTS The ETD-NS with approximately 190 nm particle size (PS), 0.16 polydispersity index (PDI), and -15 mV zeta potential (ZP) values were obtained. The work of bioadhesion values of NS-HEC and NS-HPMC gels were 0.229 mJ/cm2 for both gels. Dermal permeation of ETD from NS-HEC gel (7.18%) was found significantly higher than the NS-HPMC gel (4.56%). Enhanced anti-inflammatory and analgesic activity of NS-HEC gels were observed in comparison with micronised ETD. CONCLUSIONS ETD-NS based gel formulation is promising for topical delivery of ETD.
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Affiliation(s)
- Alptug Karakucuk
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Serdar Tort
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Sevtap Han
- Department of Pharmacology, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Ayse Nur Oktay
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey.,Department of Pharmaceutical Technology, Gulhane Faculty of Pharmacy, University of Health Sciences, Ankara, Turkey
| | - Nevin Celebi
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Gazi University, Ankara, Turkey.,Department of Pharmaceutical Technology, Faculty of Pharmacy, Baskent University, Ankara, Turkey
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18
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Xiao D, Liang W, Xie Z, Cheng J, Du Y, Zhao J. A temperature-responsive release cellulose-based microcapsule loaded with chlorpyrifos for sustainable pest control. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123654. [PMID: 32814240 DOI: 10.1016/j.jhazmat.2020.123654] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/23/2020] [Accepted: 07/31/2020] [Indexed: 05/18/2023]
Abstract
Controlled pesticide release in response to environmental stimuli by encapsulating pesticide in carrier is a feasible approach to improve the effective utilization rate. Here, a temperature-responsive release microcapsule loaded with chlorpyrifos (CPF@CM) was prepared from n-hexadecane-in-water emulsions via interfacial polymerization. The microcapsule was consisted of nanofibrillated cellulose (NFC) as the shell wall material and isophorone diisocyanate (IPDI) as the crosslinker. The prepared CPF@CM had pesticide-loading efficiency (33.1 wt%) and favorable adhesion on the surface of cucumber and peanut foliage compared with conventional formulation. Additionally, CPF@CM could protect chlorpyrifos against photodegradation effectively. The in vitro release test showed that microcapsule had adjustable controlled-release characteristics with the change in temperature based on phase transition of the n-hexadecane core. Bioassay studies showed that control efficacy of CPF@CM microcapsule against P. xylostella was positively correlated with temperature because of temperature-induced changes in release rate. The acute toxicity of CPF@CM to zebrafish was reduced more than 5-fold compared with that of CPF technical. These results indicated that the microcapsule release system has great potential in the development of an effective and environmentally friendly pesticide formulation.
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Affiliation(s)
- Douxin Xiao
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
| | - Wenlong Liang
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
| | - Zhengang Xie
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
| | - Jingli Cheng
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
| | - Yongjun Du
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
| | - Jinhao Zhao
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China.
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Bocca B, Barone F, Petrucci F, Benetti F, Picardo V, Prota V, Amendola G. Nanopesticides: Physico-chemical characterization by a combination of advanced analytical techniques. Food Chem Toxicol 2020; 146:111816. [PMID: 33080330 DOI: 10.1016/j.fct.2020.111816] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/29/2020] [Accepted: 10/11/2020] [Indexed: 01/09/2023]
Abstract
The recent application of manufactured nanomaterials (MNMs) in plant protection products (PPPs) enhances stability of the active substance (a.s.), minimizes application losses, reduces the quantities of a.s., increases coverage on leaf surface, improves precise application, etc. Besides offering benefits, there is high concern about the potential risk for human and environment associated with the use of nanopesticides. In this study, a panel of complementary methodologies were used to determine size distribution and chemical identification of four different formulations of nanopesticides. Measurements were performed by dynamic light scattering (DLS), transmission electron microscopy (TEM), asymmetric field flow fractionation-multi angle light scattering (AF4-FFF-MALS), gas/liquid chromatography with mass spectrometry (GC-MS/MS, LC-MS/MS) or diode array detector (HPLC-DAD) and inductively coupled plasma mass spectrometry (ICP-MS). Results indicated average size values in the ranges: 27.4-148.7 nm by DLS; 39.1-82.0 nm by AF4-FFF-MALS; and 42-90 nm by TEM. Linked to these nanosized particles both organic active ingredients and inorganic ones were identified. In addition, the obtained data revealed that all the four PPPs contained more than 50% of particles with number size distribution between 1 and 100 nm and, according to the European Commission definition, they can be defined as nanopesticides.
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Affiliation(s)
- B Bocca
- Environment and Health Department, Istituto Superiore di Sanità, Rome, Italy
| | - F Barone
- Environment and Health Department, Istituto Superiore di Sanità, Rome, Italy
| | - F Petrucci
- Environment and Health Department, Istituto Superiore di Sanità, Rome, Italy
| | - F Benetti
- European Center for the Sustainable Impact of Nanotechnology - Laboratory of EcamRicert Srl, Padua, Italy
| | - V Picardo
- Environment and Health Department, Istituto Superiore di Sanità, Rome, Italy
| | - V Prota
- Environment and Health Department, Istituto Superiore di Sanità, Rome, Italy
| | - G Amendola
- Environment and Health Department, Istituto Superiore di Sanità, Rome, Italy.
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20
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Karakucuk A, Celebi N. Investigation of Formulation and Process Parameters of Wet Media Milling to Develop Etodolac Nanosuspensions. Pharm Res 2020; 37:111. [PMID: 32476048 DOI: 10.1007/s11095-020-02815-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/02/2020] [Indexed: 12/19/2022]
Abstract
PURPOSE Etodolac (ETD) is one of the non-steroidal anti-inflammatory drugs which has low aqueous solubility issues. The objective of this study was to develop ETD nanosuspensions to improve its poor aqueous solubility properties while investigating formulation and process parameters of wet media milling method via design of experiment (DoE) approach. METHODS The critical formulation parameters (CFP) were selected as ETD amount, stabilizer type and ratio as well as critical process parameters (CPP) which were bead size, milling time and milling speed. The two-factorial-23 and The Box-Benkhen Designs were generated to evaluate CFP and CPP, respectively. Particle size (PS), polydispersity index (PDI) and zeta potential (ZP) were analyzed as dependent variables. Characterization, physical stability and solubility studies were performed. RESULTS Optimum nanosuspensions stabilized by PVP K30 and Poloxamer 188 showed 188.5 ± 1.6 and 279.3 ± 6.1 nm of PS, 0.161 ± 0.049 and 0.345 ± 0.007 PDI, 14.8 ± 0.3 and 16.5 ± 0.4 mV of ZP values, respectively. The thermal properties of ETD did not change after milling and lyophilization process regarding to DSC analysis. Also, the crystalline state of ETD was preserved. The morphology of particle was smooth and spherical on SEM. The dry-nanosuspensions stayed physically stable for six months at room temperature. The solubility of nanosuspensions increased up to 13.0-fold in comparison with micronized ETD. CONCLUSIONS In conclusion, it is found that the poor solubility issue of ETD can be solved by nanosuspension. DoE approach provided benefits such as reducing number of experiments, saving time and improving final product quality by using wet media milling.
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Affiliation(s)
- Alptug Karakucuk
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Gazi University, Etiler-Yenimahalle, Ankara, Turkey.
| | - Nevin Celebi
- Faculty of Pharmacy, Department of Pharmaceutical Technology, Gazi University, Etiler-Yenimahalle, Ankara, Turkey
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Huang F, Li X, Guo J, Feng H, Yang F. Aromatic hydrocarbon compound degradation of phenylacetic acid by indigenous bacterial Sphingopyxis isolated from Lake Taihu. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2019; 82:1164-1171. [PMID: 31833448 DOI: 10.1080/15287394.2019.1703510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The aromatic compound phenylacetic acid (PAA) is present in the environment, and released in the catabolism of phenylalanine, 2-phenylethylamine, or environmental contaminants such as ethylbenzene and styrene. PAA was also proposed to be involved in human chronic kidney disease development. Several bacteria and fungi utilize these aromatic acids as sole carbon source either during aerobic or anaerobic conditions. The aromatic structure of PAA makes this compound resistant toward oxidation or reduction, because the stabilizing resonance energy of the aromatic ring system is difficult to overcome. In the case of bacteria that utilize aromatic compounds as growth substrates, the aromatic ring system limits survival due to a lack of carbon source. Sphingopyxis sp. YF1 isolated from Lake Taihu was found to be beneficial in bioremediation of aromatic compounds. This study thus aimed to examine the influence of environmental factors such as temperature, PAA concentration, and pH on the effectiveness of Sphingopyxis sp. YF1 to degrade aromatic compounds using PAA as model compound. Data showed the highest PAA-degrading rate of strain Sphingopyxis sp. YF1 was 7.6 mg/L·h under the condition of 20°C, pH 9 with a 1000 μg/ml concentration of PAA. Evidence indicates that PAA-degrading ability of strain Sphingopyxis sp. YF1 appears to be primarily influenced by the concentration of PAA, followed by temperature and pH. PAA-degrading gene PAAase was identified in this strain using polymerase chain reaction (PCR) method. These results illustrate that the bacteria Sphingopyxis sp. YF1 removes PAA effectively at certain environmental conditions and this proves beneficial in bioremediation of aromatic compounds.
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Affiliation(s)
- Feiyu Huang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Xiaoyu Li
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Jian Guo
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Hai Feng
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
| | - Fei Yang
- Department of Occupational and Environmental Health, Xiangya School of Public Health, Central South University, Changsha, China
- Key laboratory of Hunan Province for Water Environment and Agriculture Product Safety, Central South University, Changsha, China
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Public Health Southeast University, Nanjing, China
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22
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Xiao D, Cheng J, Liang W, Cheng C, Wang Q, Chai R, Yan Z, Du Y, Zhao J. Innovative Approach to Nano Thiazole-Zn with Promising Physicochemical and Bioactive Properties by Nanoreactor Construction. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:11577-11583. [PMID: 31557026 DOI: 10.1021/acs.jafc.9b03700] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Nanotechnology has provided a novel approach for the preparation of a safe and highly effective pesticide formulation. Thiazole-Zn, a widely used bactericide, was successfully prepared at nanoscale by an innovative approach of final synthesis process control. Its plausible formation mechanism based on restricted particle aggregation in a nanoreactor was elucidated. Then in order to assess the application performance of thiazole-Zn nanoparticle, the nanoformulation (NPF) was conveniently formulated. Interestingly, the physicochemical properties of NPF showed better than that of the commercial pesticide formulation (CPF) in dispersibility, wettability, spreadability, and stability. At the same time, the in vitro bioassay showed that the minimum inhibitory concentrations (MICs) of NPF against Xanthomonas oryzae pv Oryzae (XOO), Xanthomonas oryzae pv Oryzicola (XOC), Erwinia carotovora subsp. Carotovora (Jones) Holland (ECC), and Erwinia chrysanthemi pv Zeae (ECZ) were 46.88, 93.75, 93.75, and 375.00 mg/L, respectively, whereas those of CPF were 93.75, 375.00, 375.00, and 875.00 mg/L, respectively. Therefore, NPF exhibited stronger antibacterial activity against the above-mentioned pathogens. Moreover, NPF was more effective to bacterial blight of rice than CPF in field trial. As a conclusion, nanotechnology for pesticides by synthesis process control will have a potential in improving the utilization efficiency and relieving the corresponding environmental pollution.
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Affiliation(s)
- Douxin Xiao
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
| | - Jingli Cheng
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
| | - Wenlong Liang
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
| | - Cheng Cheng
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
| | - Qiangwei Wang
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
| | - Rongyao Chai
- Institute of Plant Protection and Microbiology , Zhejiang Academy of Agricultural Sciences , Hangzhou 310021 , P. R. China
| | - Zhenlong Yan
- Seed Management Station of Qujiang District , Quzhou 324022 , P. R. China
| | - Yongjun Du
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
| | - Jinhao Zhao
- Institute of Pesticide and Environmental Toxicology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects , Zhejiang University , Hangzhou 310058 , P. R. China
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