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Niu J, Wang C, Qiao K, Liao M, Liu Y, Ding Y, Yao H, Zhang H, Cao H. Quaternized chitosan-based organic-inorganic nanohybrid nanoparticles loaded with prothioconazole for efficient management of fungal diseases with minimal environmental impact. Int J Biol Macromol 2024; 262:129662. [PMID: 38266842 DOI: 10.1016/j.ijbiomac.2024.129662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/08/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
Poor foliar deposition and retention of pesticides results in serious pesticide residues and environmental pollution. Organic-inorganic hybridized nanoparticles (OIHN), combining the advantages of organic and inorganic materials, can be used as carriers to load pesticides for efficient and safe application. Herein, a novel multifunctional OIHN composed of mesoporous silica nanoparticles (MSNs) and cationic chitosan quaternary ammonium salt (HACC) was constructed and used as a delivery system for prothioconazole (PTC). The resultant PTC@MSNs-HACC exhibited a remarkable loading capacity of 39.07 wt% and demonstrated enhanced PTC release (31.47 %) under alkaline conditions. The UV-shielding properties of MSNs efficiently shielded PTC from photodegradation, increasing its photostability by over threefold. The strong positive charge of HACC conferred excellent adhesion of PTC@MSNs-HACC to fungal cell membranes, leading to high deposition on wheat leaves with improved rain-wash resistance (increased by 30 %). Consequently, PTC@MSNs-HACC (EC50: 12.48 mg/L) exhibited superior wheat scab control compared to PTC emulsifiable concentrate (EC50: 28.49 mg/L). Additionally, PTC@MSNs-HACC displayed excellent uptake and transport in plants, ensuring plant safety and reducing toxicity to zebrafish by >1-fold. The potential application of the developed PTC@MSNs-HACC in agricultural production holds significant promise and is anticipated to find widespread use in the future.
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Affiliation(s)
- Junfan Niu
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Chao Wang
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Ke Qiao
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Min Liao
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Ying Liu
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Yi Ding
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Huanhuan Yao
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Huili Zhang
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China
| | - Haiqun Cao
- School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Engineering Laboratory for Green Pesticide Development and Application, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China; Anhui Province Key Laboratory of Integrated Pest Management on Crops, School of Plant Protection, Anhui Agricultural University, Hefei, Anhui Province 230036, People's Republic of China.
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