green chemistry – Page 2

Harnessing pycnidia-forming fungi for eco-friendly nanoparticle production, applications, and limitations

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Certain fungi called pycnidial fungi can create tiny particles called nanoparticles that are useful in medicine, agriculture, and environmental cleanup. These fungi naturally produce chemicals and enzymes that reduce metal ions into nanoparticles, which have antimicrobial and cancer-fighting properties. While this biological approach is more environmentally friendly than chemical methods, scientists still need to solve challenges like making it work at large scales and ensuring the nanoparticles are safe and stable.

An Efficient Microwave Synthesis of 3-Acyl-5-bromoindole Derivatives for Controlling Monilinia fructicola and Botrytis cinerea

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Scientists created new chemical compounds based on indole structures that can kill harmful fungi that destroy fruit crops. These compounds were made more efficiently using microwave heating and tested against two major crop pathogens that cause billions of dollars in losses annually. The most promising compound (A) proved even more effective than commercial fungicides at stopping fungal growth and spore germination. This research could lead to better, safer alternatives for protecting crops from fungal diseases.

Mycosynthesis of Metal-Containing Nanoparticles—Synthesis by Ascomycetes and Basidiomycetes and Their Application

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Scientists have discovered that common fungi like mushrooms and molds can produce tiny nanoparticles that fight bacteria, kill cancer cells, and speed up chemical reactions. This fungal method is much cheaper, safer, and more environmentally friendly than traditional chemical production methods. The nanoparticles can be used in medical treatments, wound dressings, water purification, and farming as natural fertilizers and pesticides.

Boldenone and Testosterone Production from Phytosterol via One-Pot Cascade Biotransformations

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Scientists developed an efficient biological process to produce testosterone and boldenone (important medical steroids) from plant sterols using two microorganisms working together. The fungus Curvularia converts the intermediate products produced by bacteria into the desired compounds. This green biotechnology approach avoids chemical synthesis and could provide a more sustainable way to produce these widely-used medicines for humans and animals.

Assessment of Cucurbita spp. Peel Extracts as Potential Sources of Active Substances for Skin Care and Dermatology

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This study examined pumpkin peels as a sustainable source of natural compounds for skincare products. Researchers extracted active ingredients using water and plant-based solvents, then tested their antioxidant properties, ability to protect skin from sun damage, and safety for use on skin. The findings show that pumpkin peel extracts, particularly those made with water, could be safe and effective ingredients in cosmetic products.

Harnessing pycnidia-forming fungi for eco-friendly nanoparticle production, applications, and limitations

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Scientists are using special fungi called pycnidial fungi to create tiny nanoparticles that could revolutionize medicine and environmental cleanup. These fungi naturally produce chemicals that can turn metal into useful nanoparticles without the toxic processes used in factories. The resulting nanoparticles show promise in fighting bacteria, cancer cells, and cleaning polluted water, offering a safer and more eco-friendly alternative to traditional methods.

Eco-friendly biosynthesis of silver nanoparticles using marine-derived Fusarium equiseti: optimization, characterization, and evaluation of antimicrobial, antioxidant, and cytotoxic activities

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Scientists used a marine fungus called Fusarium equiseti to create tiny silver particles called nanoparticles in an environmentally-friendly way. These particles showed strong abilities to kill harmful bacteria and fungi, protect cells from damage caused by free radicals, and fight breast cancer cells in laboratory tests. This green synthesis method offers a safer, non-toxic alternative to traditional chemical manufacturing while producing stable, multi-functional nanoparticles.

Antifungal activity of zinc oxide nanoparticles (ZnO NPs) on Fusarium equiseti phytopathogen isolated from tomato plant in Nepal

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Researchers in Nepal isolated a fungus called Fusarium equiseti that damages tomato plants and created tiny zinc oxide particles from tea leaves to fight it. These nanoparticles successfully stopped the fungus from growing, reducing its growth by up to 85%. This discovery offers farmers an environmentally friendly alternative to chemical fungicides that harm the environment and create resistant fungi.

Polyherbal nanoformulation: a potent antifungal agent on fungal pathogens of Coffea arabica

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Researchers developed an eco-friendly nano-formulation from Triphala to fight fungal diseases that harm coffee plants. The treatment effectively stopped the growth of five different harmful fungi that infect coffee leaves. This green nanotechnology approach offers farmers a safer, environmentally friendly alternative to chemical fungicides that can pollute the environment and harm human health.

Ultrasound-Assisted Determination of Selenium in Organic Rice Using Deep Eutectic Solvents Coupled with Inductively Coupled Plasma Mass Spectrometry

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This study developed environmentally friendly solvents called deep eutectic solvents (DESs) to detect selenium in rice without using toxic chemicals. Researchers optimized four different DES formulations and used ultrasonic waves to extract selenium from rice samples. The new green chemistry approach achieved comparable or better results than traditional harsh acid digestion methods while being safer for the environment.

Research Keyword: green chemistry