were observed the above results indicate that the yarn of the present invention was very effective and long lasting as antimicrobial agent even after repeated washes antimicrobial activity of the yarn made with different materials or dyed with different colors the antimicrobial activity of the yarn of the present invention prepared from different materials or dyed with various colors was examined a the yarn from the experimental group or the control group which was made from cotton linen blending fabric or which was dyed in black blue red orange and yellow was prepared b the yarns of i were tested for antimicrobial activity on staphylococcus aureus escherichia coli candida albicans and pseudomonas aeruginosa according to the method provided in example 4 no colony or any signs of microbial growth were observed in the yarn of the experimental group as opposed to those in the control group where signs of microbial growth were observed the antimicrobial yarn of the present invention made from different materials which included cotton linen silk wool leather blending fabric or synthetic fiber or dyed with different colors was very effective as antimicrobial agent suggesting the materials or dying methods would not and did not hinder the antimicrobial activity of the nanosilver particles containing yarn 107 g.