Temperature responsive sustained-release microsphere for harmful algal bloom control: preparation, algicidal activity and eco-safety.

Temperature-responsive microspheres releasing anti-algal compounds significantly extend inhibition of Microcystis aeruginosa across 15-25°C, surpassing conventional methods in duration and efficiency.

• Why it matters: Harmful algal blooms driven by temperature fluctuations pose serious ecological and health risks, yet current algicide strategies often ignore temperature effects on algal growth and control efficacy.
• What they did: Researchers developed novel T-SRMs using n-heptadecane to regulate DHF release based on water temperature, achieving sustained inhibition and broad environmental adaptability through 15-25°C.
• The result: The T-SRMs demonstrated superior, temperature-sensitive inhibition with no significant toxicity, enabling more precise, long-lasting control of CHABs in diverse aquatic environments.