Global Climate News

Czech scientists from Mendel University in Brno have developed highly efficient algae for removing fertilizer and pharmaceutical residues from water. These algae are grown in bioreactors, and lab experiments show promising results for water purification.

Researchers have developed a novel core-shell structural catalyst (FeNC@C) for efficient antibiotic degradation that requires no additional energy input. The catalyst achieved 90% degradation efficiency and over 47% total organic carbon removal within 60 minutes, demonstrating significant potential for energy-efficient water treatment and antibiotic decomposition.

The study improved knowledge on the photocatalytic degradation of pharmaceuticals in water using a heterojunction design and defect engineering. The Bi2MoO6/Sx@g-C3N(4-y) photocatalysts achieved a 92.4% degradation efficiency of tetracycline in 60 minutes, surpassing the performance of individual components. The photocatalyst demonstrated stability and reusability, with 84% efficiency over five cycles, and the treated effluent was non-phytotoxic, suitable for irrigation.

Researchers have developed a novel photocatalyst composite (g-C3N4:Tm@Ba4Yb3F17:Tm Z-scheme) that can effectively utilize near-infrared sunlight for antibiotic degradation. The catalyst achieved 93% degradation efficiency of tetracycline after 12 hours of near-infrared light exposure, demonstrating significant potential for sustainable water treatment and antibiotic removal applications.

China-based researchers from Chongqing University of Technology and Sinopec Lubricant Co. have developed an enhanced water treatment catalyst system using phosphorized magnetic Fe3O4 for removing tetracycline antibiotics from water. The novel P-RC-Fe3O4/PMS system demonstrated high efficiency in degrading tetracycline through both radical and non-radical pathways, with excellent stability and easy magnetic separation capabilities.

Researchers have engineered double perovskite La2NiMnO6 (LNMO) nanoparticles through co-precipitation method for effective photocatalytic degradation of dyes and antimicrobial applications. The nanoparticles demonstrated 84.57% degradation of methyl orange and 64.29% degradation of methylene blue dyes under UV irradiation, while also showing significant antimicrobial activity against various bacteria and fungi.

The paper reviews recent advances in MXene-based materials for water desalination, purification and antibacterial applications, highlighting their unique properties and potential for addressing water scarcity challenges.

A scientific review has examined piezoelectric catalysis technology for water treatment and antibacterial applications. The research highlights the potential of piezoelectric materials as effective alternatives to conventional antibiotics for treating bacterial diseases and water pollution, offering advantages of no bacterial resistance and minimal side effects. The study covers various materials including semiconductors, heterojunction composites, and organic piezoelectric materials.

Researchers have developed a new bifunctional electrode using carbon felt (CF) matrix material with BiOCl and CeO2 coating for efficient treatment of antibiotic-containing wastewater. The electrode demonstrates excellent stability and effectively degrades tetracycline through the electro-Fenton process, offering a new strategy for advanced wastewater treatment.

Researchers developed dual-action antimicrobial surface coatings using methylene blue and quaternary ammonium compounds conjugated to silica nanoparticles, achieving >99.999% bacterial reduction under white light exposure.

Researchers have developed a novel antimicrobial dressing using an aggregation-induced emission (AIE)-active photosensitizer called DTTPB combined with Carbomer 940 to create an injectable hydrogel dressing. The innovation addresses antibiotic resistance by effectively killing both Gram-positive and Gram-negative bacteria without promoting resistance, while maintaining biocompatibility with normal cells.

Researchers isolated and characterized three bianthrone compounds from marine crinoid Heterometra sp., with one being a new natural product, showing selective activity against antibiotic-resistant bacteria.

Russia-based researchers from A.E. Favorsky Irkutsk Institute of Chemistry and Irkutsk Scientific Center have developed a novel water-soluble polymer nanocomposite containing ultra-small iron oxide nanoparticles. The material shows strong antibacterial properties and could be used for treating superficial wounds and purulent-inflammatory complications.

Researchers developed a novel photocatalyst combining graphene oxide with bismuth vanadate and silver chromate that achieved 94.6% degradation efficiency for removing ciprofloxacin antibiotic from water.

Researchers at York University studied how microplastic size and water flow velocity affect bacterial biofilm formation in freshwater systems, with implications for water quality and ecosystem health.

NRDC won nearly 90% of 163 legal cases against Trump administration's environmental rollbacks, protecting clean car standards, scientific integrity, wildlife, and blocking harmful projects like Keystone XL pipeline.

Researchers have reviewed surfactant-influenced biosorption as a sustainable method for removing environmental pollutants from wastewater using modified biomaterials.

China-based researchers from Changchun University of Science and Technology have developed a novel cerium-doped hydrotalcite catalyst for efficient removal of antibiotics from water. The catalyst demonstrated complete removal of tetracycline hydrochloride within 60 minutes using a photo-Fenton system, showing excellent stability and adaptability to various environmental conditions.

Researchers developed carbon nanospheres using probe ultrasonication for treating antibiotic-resistant MRSA infections, particularly in diabetic foot ulcers.

Researchers developed C-ZIF-67@PAN@Au@Apta nanofiber sensor using MOF materials and gold nanoparticles for detecting ampicillin in milk samples with high accuracy.