Development of the antibacterial thermoplastic resin

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This study was developed a new thermoplastic resin with the antibacterial. After added a 0.3-30.0% water-soluble silver ion into polyamide thermoplastic resin at a percent by weight, specimens were fabricated using multi injection-molded system. After, Candida albicans was perfomed aerobic culture at 37 degrees C using Sabouraud agar for 48 hours and, only except suspension bacteria, cultured it more for 32 hours. The residual probiotic quantity measured using fluorescence stain for 6-60 hours. These results indicated, depression effect of the bacteria was observedpolyamide thermoplastic resin with over 15.0 % of silver ion concentration 60 hours later.