Fungus-Derived Nanoparticles Remove Strontium from Water
Researchers successfully synthesize zinc oxide nanoparticles using Aspergillus flavus to treat water pollutants.
Updated on Oct. 28, 2026 in Chemistry
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Scientists have developed a method to synthesize zinc oxide nanoparticles using the fungus Aspergillus flavus for the removal of strontium from water. The nanoparticles also display antibacterial properties against specific bacterial strains.
Why it matters
This research provides a new approach to addressing environmental hazards linked to inorganic pollutants such as radionuclides and heavy metals. By utilizing biosynthesis, the process offers a potential path for mitigating water contamination risks.
The synthesized nanoparticles measure 30 to 60 nanometers and demonstrate a maximum equilibrium strontium uptake of 30.5 milligrams per gram. Testing occurred at a pH of 8 over a 5-hour duration using 0.05 grams of adsorbent.
The players
Aspergillus flavus
This is a common mold fungus used in the biosynthesis process to create the zinc oxide nanoparticles.
K. pneumoniae
This is a gram-negative, non-motile bacterium that served as one of the subjects for antibacterial testing.
S. aureus
This is a common type of bacteria used in the study to evaluate the antibacterial potential of the nanoparticles.
The details
The biosynthesis process leverages Aspergillus flavus to create the nanoparticles, which demonstrate endothermic sorption characteristics for strontium. Additionally, the material shows dose-dependent antibacterial effects against K. pneumoniae and S. aureus but exhibits no impact on tested fungal strains.
Timeline
October 28, 2026: Date of publication.
The Big Picture
This work aligns with the development of metal oxide nanoparticles for environmental remediation by testing novel biological synthesis pathways. It expands the scope of existing research by confirming that these particles can specifically target and isolate strontium from aqueous solutions.
These findings could eventually lead to more efficient water filtration technologies for removing radioactive contaminants like strontium. If commercialized, such nanoparticles might improve safety standards for industrial wastewater treatment.
The takeaway
Using fungal-based biosynthesis for nanoparticle production represents a promising shift toward greener environmental engineering solutions. Future research will need to determine if these results can be replicated on an industrial scale for municipal water systems.
Further reading
Learn more about the latest findings in the field of Chemistry.
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Should researchers prioritize biogenic materials over traditional chemical methods for cleaning contaminated water supplies?
