Abstract: There is disclosed an antibacterial glass composition, a preparing method of an antibacterial glass coating film using the same and an electric home appliance including the same. The antibacterial glass composition according to the present disclosure and the antibacterial glass coating film using the same are applied to an electric home appliance, thereby exhibiting excellent antibacterial properties and heavy metal elution safety, and exhibiting excellent transmittance (70% or more) when applied to a transparent glass substrate.

Abstract: The present disclosure relates to an assay method for the antimicrobial activity of an antimicrobial agent. The assay method for the antimicrobial activity of an antimicrobial agent according to the present disclosure comprises: injecting an antimicrobial agent into a culture medium in which a strain is grown; shaking the culture medium according to time and sampling the culture medium according to the time; after the sampling, centrifuging the culture medium into which the antimicrobial agent is injected; and after the centrifuging, measuring the number of microorganisms after culturing a bacterial solution from which the antimicrobial agent is removed, wherein the antimicrobial activity can be evaluated depending on the type and content of the antimicrobial agent, and the antimicrobial activity of the antimicrobial agent can be accurately and reliably evaluated.