A brand new sulfur-rich antimicrobial polymer exhibits robust effectiveness towards fungal and bacterial pathogens and will provide an reasonably priced resolution to antimicrobial resistance.
Antimicrobial resistance is creating rising challenges for each healthcare and meals manufacturing, rising the necessity for reasonably priced new supplies that may battle harmful pathogens.
A multidisciplinary crew 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 includes harmful pathogens, together with Staphylococcus aureus, Klebsiella pneumoniae, non-typhoidal Salmonella, and Mycobacterium tuberculosis.
Novel Sulfur-Based mostly Polymer Exhibits Promise
“Importantly, the antimicrobial doesn’t hurt human or plant cells, so it has potential in medication and agriculture,” says Professor Justin Chalker, whose analysis group just lately created an modern photochemical response used within the new examine printed in Chemical Science.
“The brand new antimicrobial is a sulfur-rich polymer materials which overcome earlier limitations in sulfur-based preparations and exhibits spectacular efficiency towards a wide range of fungal and bacterial pathogens.”
Sulfur and sulfur-based compounds have been used as antimicrobials for a few years, however they’re usually malodorous (robust smelling) and troublesome to formulate due to their restricted solubility.
Researchers Spotlight Medical and Agricultural Potential
Lead creator Dr. Jasmine Pople says sulfur-based chemistry might play an necessary position in creating next-generation antimicrobial therapies.
“Antimicrobial resistance, significantly 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 change at collaborator Dr. Tom Hasell’s lab on the College of Liverpool in 2024.
Researchers have since examined the fabric towards 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 intensive organic testing throughout main pathogens strengthened the findings.
Professor Chalker says the antimicrobial polymer venture is a part of broader efforts at Flinders College to remodel surplus elemental sulfur into helpful high-value supplies.
Different developments embrace sulfur-rich polymers that get better gold from digital waste, easy-to-recycle plastics, and low-cost lenses for thermal imaging cameras. These improvements have been printed 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 venture was funded by the Australian Analysis Council (DP230100587, FT220100054, FT240100330, DE250100525) and a Flinders Basis Well being Seed Grant.
