Article

Researchers have developed a biochar derived from nickel-enriched marine microalgae, Picochlorum eukaryotum, enabling enzyme-free electrochemical sensing for hydrogen peroxide. This new sensor, utilizing nickel nanoparticles within a stable carbon matrix, offers rapid, sensitive detection with improved durability.

It operates effectively under various conditions, surpassing traditional enzyme-based sensors in performance and stability. The study highlights the potential for sustainable sensor fabrication using biological resources, paving the way for versatile applications in diagnostics and environmental monitoring.