I have observed opposite response from gram negative and gram positive bacterial cells on plasma modified polymeric surface in terms of adhesion and biofilm formation.
gram negative cells show above 90% reduction in adhesion and gram positive show only 9% reduction. What could be the reason behind this?
Which property of bacterial cell type might be playing a role?
Please explain.
Thanks in advance.
Thank you for replying, polymer is pdms and treatment is physicochemical changes on pdms surface via plasma treatment. plasma induced physicochemical changes are able to repel gram negative bacterial cells but not gram positive bacterial cells.
What is difference between active repulsion and passive non-adherence ? in my case non adherence is mostly due to nano topography.
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