Research Topic: green technology

Cellulose-Based Hydrogels for Wastewater Treatment: A Focus on Metal Ions Removal

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Heavy metal pollution from industrial activities poses serious health risks including cancer, kidney damage, and neurological problems. This review explores how cellulose-based hydrogels—soft, water-absorbing materials made from natural plant sources—can effectively remove toxic metals from contaminated water. These hydrogels are cost-effective, environmentally friendly, and can be reused multiple times, making them promising alternatives to conventional water treatment methods for industrial and municipal applications.

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Actinorhizal plants and Frankiaceae: The overlooked future of phytoremediation

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Actinorhizal plants are special trees and shrubs that team up with beneficial bacteria called Frankiaceae to clean up polluted and degraded soils. This natural partnership helps these plants survive harsh conditions like salty or heavy metal-contaminated soil while also cleaning up the environment. The bacteria help the plants by providing essential nitrogen and improving their ability to tolerate pollution, making them an inexpensive and sustainable solution for restoring degraded farmland.

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MycelioTronics: Fungal mycelium skin for sustainable electronics

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Researchers have developed a new type of electronic device substrate made from fungal mycelium, the thread-like root structure of mushrooms. This material is completely biodegradable and can be processed like traditional electronic materials to create flexible circuits and batteries. The mycelium-based devices can power wireless sensors and transmit data via Bluetooth, demonstrating that sustainable electronics can perform just as well as conventional ones while being composted at the end of their life.

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Water-based ultrasonic pretreatment enhances moso bamboo dimensional stability and mildew resistance

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Researchers found that treating bamboo with ultrasonic waves in water can make it more resistant to mould and mildew, while also helping it maintain its shape better in humid environments. This green treatment method works by breaking down nutrients that mould needs to grow and restructuring the bamboo’s cell walls to make them stronger. The treatment is chemical-free and energy-efficient, making it a promising alternative to traditional bamboo preservation methods.

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The removal of black ink via Emericella quadrilineata as a green alternative technique to recycling ink waste papers

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Researchers discovered that a fungus called Aspergillus quadrilineatus can remove black ink from waste papers, providing an environmentally friendly alternative to chemical-based recycling methods. Under optimal conditions including neutral pH and room temperature, the fungus successfully removed 97% of ink from contaminated papers through a process called biosorption. This natural approach uses enzymes produced by the fungus to break down and remove the ink, making it a cost-effective solution for paper recycling that reduces environmental damage from traditional chemical methods.

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