July 2026 in “Industrial and Domestic Waste Management” This study synthesized silver nanoparticles using Gandaria stem bark extract, finding that nanoparticles at a 4% concentration were particularly effective for selectively detecting mercury over lead and calcium, making them suitable as preliminary detection materials for mercury in facial whitening creams.
December 2024 in “Jurnal Mandala Pharmacon Indonesia” In this study, high-dose oral administration of Ramania leaf ethanol extract in Wistar rats resulted in no significant acute toxicity symptoms, though gastric ulcers and hair loss were observed. The extract is classified as non-toxic under specified guidelines, with an LD50 greater than 5000 mg/kg.
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April 2023 in “Bioactive Materials” This review article highlights recent advances in microneedle technology for wound healing and tissue regeneration, discussing various cargo types, structural designs, and fabrication methods, and suggesting guidelines for designing microneedle systems tailored to specific applications.