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Abstract: using layer-by-layer self-assembly technique, with antibacterial properties of A and B to build unit preparation a novel antibacterial nano composite membrane. Study of thin film electrochemical, heat stability and antimicrobial properties, and by scanning electron microscopy of the surface morphology were studied. Research results show that: thin film materials B electrochemical properties are preserved, but the redox reversible reduction; film at 0 ¡æ ~100¡æhas good thermal stability, but also has good bactericidal, on Escherichia coli sterilization for 12 hours, the sterilization rate as high as 88%¡À 1%; film surface by B or A gathered to form a nanoscale spherical particles, but also has good transparency and smoothness.

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