A brand new sulfur-rich antimicrobial polymer reveals robust effectiveness in opposition to fungal and bacterial pathogens and should provide an inexpensive resolution to antimicrobial resistance.
Antimicrobial resistance is creating rising challenges for each healthcare and meals manufacturing, rising the necessity for inexpensive new supplies that may combat harmful pathogens.
A multidisciplinary workforce led by Flinders College, working with researchers from the UK, has developed a brand new materials designed for protected and efficient antimicrobial and antifungal use.
The World Well being Group has recognized antimicrobial resistance as one of many century’s most critical international well being threats. The issue entails harmful pathogens, together with Staphylococcus aureus, Klebsiella pneumoniae, non-typhoidal Salmonella, and Mycobacterium tuberculosis.
Novel Sulfur-Primarily based Polymer Reveals Promise
“Importantly, the antimicrobial doesn’t hurt human or plant cells, so it has potential in drugs and agriculture,” says Professor Justin Chalker, whose analysis group lately created an revolutionary photochemical response used within the new examine revealed in Chemical Science.
“The brand new antimicrobial is a sulfur-rich polymer materials which overcome earlier limitations in sulfur-based preparations and reveals spectacular efficiency in opposition to quite a lot of fungal and bacterial pathogens.”
Sulfur and sulfur-based compounds have been used as antimicrobials for a few years, however they’re typically malodorous (robust smelling) and tough to formulate due to their restricted solubility.
Researchers Spotlight Medical and Agricultural Potential
Lead writer Dr. Jasmine Pople says sulfur-based chemistry might play an essential position in creating next-generation antimicrobial therapies.
“Antimicrobial resistance, notably in fungal pathogens, is an rising medical and agricultural risk,” she says.
“It has the potential sooner or later to be a part of efficient, low-cost medicines and broad-scale agrichemical options,” says Dr. Pople, who first recognized the antimicrobial exercise throughout an Australian Analysis Council trade at collaborator Dr. Tom Hasell’s lab on the College of Liverpool in 2024.
Researchers have since examined the fabric in opposition to a number of pathogenic strains with assist from further Flinders College consultants, together with virologist Professor Jillian Carr, in addition to funding from a Flinders Basis Well being Seed Grant.
Sustainable Sulfur Improvements Past Antimicrobials
Coauthor and microbiologist Affiliate Professor Bart Eijkelkamp says combining superior chemical synthesis with in depth organic testing throughout main pathogens strengthened the findings.
Professor Chalker says the antimicrobial polymer mission is a part of broader efforts at Flinders College to remodel surplus elemental sulfur into helpful high-value supplies.
Different developments embody sulfur-rich polymers that recuperate gold from digital waste, easy-to-recycle plastics, and low-cost lenses for thermal imaging cameras. These improvements have been revealed in Nature Sustainability, Nature Chemistry, and Nature Communications, respectively.
Reference: “A poly(trisulfide) oligomer with antimicrobial exercise” by Jasmine M. M. Pople, Ocean E. Clarke, Romy A. Dop, Thomas P. Nicholls, Harshal D. Patel, Witold M. Bloch, Zhongfan Jia, Sara J. Fraser-Miller, Evangeline C. Cowell, Jillian M. Carr, Daniel R. Neill, Joanne L. Fothergill, Bart A. Eijkelkamp, Tom Hasell and Justin M. Chalker, 16 April 2026, Chemical Science.
DOI: 10.1039/D5SC09816E
The mission was funded by the Australian Analysis Council (DP230100587, FT220100054, FT240100330, DE250100525) and a Flinders Basis Well being Seed Grant.
