Amr S. Abou El-Ela, Chao Zhang, Asim Munawar, Xuan Chen, Yixin Zhang, Eric Siaw Ntiri, Modhi O. Alotaibi, Amr Elkelish, Suhailah S. Aljameel, Wenwu Zhou, Zeng-Rong Zhu
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This study investigated eco-friendly alternatives by synthesizing silver (AgNPs) and copper oxide nanoparticles (CuONPs) using abscisic acid (ABA).</p><h3>Results</h3><p>Characterization through UV–vis spectroscopy, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray, X-ray diffraction, Fourier transform infrared spectroscopy, and zeta potential analysis confirmed the successful synthesis of AgNPs with a uniform size of 35.8 nm and a plasmon resonance at 430 nm. CuONPs displayed a porous, rugby sheet-like structure, with a thickness of 68.5 nm and a 290 nm absorption peak. The effectiveness of the nanoparticles against PTM larvae was assessed through larval spraying and leaf-dipping. Larval spraying outperformed leaf-dipping, with median lethal concentration (LC<sub>50</sub>) values of 670 mg/L for AgNPs and 1320 mg/L for CuONPs. AgNPs and CuONPs significantly altered digestive enzyme activities in treated PTM larvae, reducing α-amylase, β-glucosidase, lipase, protease, and trypsin, and increasing acid phosphatase activity. Histological studies revealed damage to the larvae's midgut epithelial layer and peritrophic membrane, resulting in nuclei dispersion.</p><h3>Conclusions</h3><p>Our study shows a cost-effective, minimal-impact strategy for synthesizing AgNPs and CuONPs, which can serve as a potential approach for managing PTM.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":512,"journal":{"name":"Chemical and Biological Technologies in Agriculture","volume":"12 1","pages":""},"PeriodicalIF":5.2000,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://chembioagro.springeropen.com/counter/pdf/10.1186/s40538-025-00782-2","citationCount":"0","resultStr":"{\"title\":\"Physiological, biochemical and histological effects of abscisic acid-synthesized silver and copper oxide nanoparticles on the potato tuber moth, Phthorimaea operculella\",\"authors\":\"Amr S. 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This study investigated eco-friendly alternatives by synthesizing silver (AgNPs) and copper oxide nanoparticles (CuONPs) using abscisic acid (ABA).</p><h3>Results</h3><p>Characterization through UV–vis spectroscopy, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray, X-ray diffraction, Fourier transform infrared spectroscopy, and zeta potential analysis confirmed the successful synthesis of AgNPs with a uniform size of 35.8 nm and a plasmon resonance at 430 nm. CuONPs displayed a porous, rugby sheet-like structure, with a thickness of 68.5 nm and a 290 nm absorption peak. The effectiveness of the nanoparticles against PTM larvae was assessed through larval spraying and leaf-dipping. Larval spraying outperformed leaf-dipping, with median lethal concentration (LC<sub>50</sub>) values of 670 mg/L for AgNPs and 1320 mg/L for CuONPs. AgNPs and CuONPs significantly altered digestive enzyme activities in treated PTM larvae, reducing α-amylase, β-glucosidase, lipase, protease, and trypsin, and increasing acid phosphatase activity. 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Physiological, biochemical and histological effects of abscisic acid-synthesized silver and copper oxide nanoparticles on the potato tuber moth, Phthorimaea operculella
Background
The potato tuber moth (PTM), Phthorimaea operculella, poses a significant threat to potato cultivation in tropical and subtropical regions. Chemical control, though widely used, poses risks to human and environmental health, necessitating safer alternatives. This study investigated eco-friendly alternatives by synthesizing silver (AgNPs) and copper oxide nanoparticles (CuONPs) using abscisic acid (ABA).
Results
Characterization through UV–vis spectroscopy, scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray, X-ray diffraction, Fourier transform infrared spectroscopy, and zeta potential analysis confirmed the successful synthesis of AgNPs with a uniform size of 35.8 nm and a plasmon resonance at 430 nm. CuONPs displayed a porous, rugby sheet-like structure, with a thickness of 68.5 nm and a 290 nm absorption peak. The effectiveness of the nanoparticles against PTM larvae was assessed through larval spraying and leaf-dipping. Larval spraying outperformed leaf-dipping, with median lethal concentration (LC50) values of 670 mg/L for AgNPs and 1320 mg/L for CuONPs. AgNPs and CuONPs significantly altered digestive enzyme activities in treated PTM larvae, reducing α-amylase, β-glucosidase, lipase, protease, and trypsin, and increasing acid phosphatase activity. Histological studies revealed damage to the larvae's midgut epithelial layer and peritrophic membrane, resulting in nuclei dispersion.
Conclusions
Our study shows a cost-effective, minimal-impact strategy for synthesizing AgNPs and CuONPs, which can serve as a potential approach for managing PTM.
期刊介绍：
Chemical and Biological Technologies in Agriculture is an international, interdisciplinary, peer-reviewed forum for the advancement and application to all fields of agriculture of modern chemical, biochemical and molecular technologies. The scope of this journal includes chemical and biochemical processes aimed to increase sustainable agricultural and food production, the evaluation of quality and origin of raw primary products and their transformation into foods and chemicals, as well as environmental monitoring and remediation. Of special interest are the effects of chemical and biochemical technologies, also at the nano and supramolecular scale, on the relationships between soil, plants, microorganisms and their environment, with the help of modern bioinformatics. Another special focus is the use of modern bioorganic and biological chemistry to develop new technologies for plant nutrition and bio-stimulation, advancement of biorefineries from biomasses, safe and traceable food products, carbon storage in soil and plants and restoration of contaminated soils to agriculture.
This journal presents the first opportunity to bring together researchers from a wide number of disciplines within the agricultural chemical and biological sciences, from both industry and academia. The principle aim of Chemical and Biological Technologies in Agriculture is to allow the exchange of the most advanced chemical and biochemical knowledge to develop technologies which address one of the most pressing challenges of our times - sustaining a growing world population.
Chemical and Biological Technologies in Agriculture publishes original research articles, short letters and invited reviews. Articles from scientists in industry, academia as well as private research institutes, non-governmental and environmental organizations are encouraged.
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