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Neuromodulating Alkaloids from Millipede Defensive Secretions.
J Nat Prod
January 2025
Department of Chemistry, Virginia Tech, Blacksburg, Virginia 24061, United States.
Millipedes have long been known to produce structurally diverse chemical defenses, including hydrogen cyanide, terpenoid alkaloids, and oxidized aromatics. Although the hydrogen cyanide and oxidized aromatic producing millipedes have been well studied, less than 10% of the terpenoid alkaloid producers have been chemically investigated. Several previous studies have shown that alkaloids disorient predators, but their biochemical target is currently unknown.
View Article and Find Full Text PDFSymbiosis and horizontal gene transfer promote herbivory in the megadiverse leaf beetles.
Curr Biol
January 2025
Department of Insect Symbiosis, Max Planck Institute for Chemical Ecology, Hans-Knoell-Str. 8, 07745 Jena, Germany. Electronic address:
Beetles that feed on the nutritionally depauperate and recalcitrant tissues provided by the leaves, stems, and roots of living plants comprise one-quarter of herbivorous insect species. Among the key adaptations for herbivory are plant cell wall-degrading enzymes (PCWDEs) that break down the fastidious polymers in the cell wall and grant access to the nutritious cell content. While largely absent from the non-herbivorous ancestors of beetles, such PCWDEs were occasionally acquired via horizontal gene transfer (HGT) or by the uptake of digestive symbionts.
View Article and Find Full Text PDFSynthesis of zinc oxide/bismuth oxide nanocomposite photocatalyst for visible light-assisted degradation of synthetic dyes and antibacterial application.
Environ Sci Pollut Res Int
January 2025
School of Applied Sciences, Centurion University of Technology and Management, Bhubaneswar, Odisha, India.
Contamination of water resources by artificial coloring agents and the increasing incidence of bacterial illnesses are two significant environmental and public health issues that are getting worse day by day. Traditional treatment techniques frequently fail to address these problems adequately in a sustainable and environmental friendly way. In response, our study presents a novel photocatalyst that demonstrates superior photodegradation capability and antibacterial qualities in catering the above issues.
View Article and Find Full Text PDFEssential Oils as Potential Natural Antioxidants, Antimicrobial, and Antifungal Agents in Active Food Packaging.
Antibiotics (Basel)
December 2024
Institute of Soil Science and Plant Cultivation, State Research Institute, Czartoryskich 8 St., 24-100 Pulawy, Poland.
In the last few years, there has been growing interest in the harmful impact of synthetic additives, the increased consumer focus on nutrition, and their unwillingness to use antibiotics and preservatives. The food industry has been driven to seek natural alternatives to synthetic antioxidants and integrate them into the production processes. Moreover, the most significant risk factor for foodborne illness is the consumption of raw or undercooked meats and milk, which may be contaminated with spp.
View Article and Find Full Text PDFEffect of post heat treatment on microstructure and mechanical properties of hot-rolled AA2017 aluminum alloy.
Heliyon
December 2024
Department of Mechanical, Chemical and Material Engineering, University of Cagliari, Via Marengo 2, 09123, Cagliari, Italy.
This study investigates the effects of heat treatment, involving solubilization and aging, on the microstructure of AA2017-T451 aluminum alloy. Samples of 4 mm thick rolled plate of AA2017 underwent solution treatment at 500 °C for two different durations, namely 2 h and 6 h, followed by either water quenching (WQ) or air quenching (AQ). Subsequently, they were artificially aged (AA) at 175 °C for 8 h.
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