EFFECT OF PLASMA TREATMENT ON ANTIMICROBIAL PROPERTIES OF SILK SUTUREL. SASIKALA, D. SUDHA AND BHAARATHI DHURAIAbstract The effect of plasma treatment on the mechanical and antimicrobial properties of silk braided suture was investigated. The surface modification was done by using atmospheric plasma with oxygen as treatment gas for 2min, 6min and 10min. The SEM observation clearly showed the degradation of the structure treated for more time. It was found that moderate increase in treatment time increased the wettability of the suture material. The plasma treated suture was subjected to antimicrobial study [AATCC 100] against S. aureus and E. coli and found that plasma treated suture possessed the bacterial reduction percentage of 43% and 38% respectively.
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