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Free Picture: Sterilization Effects of Negative Air Ionization
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Description Ken Hammond photograph of gloved hands holding petri dishes over a white background. These dishes show sterilization effects of negative air ionization on a chamber aerosolized with Salmonella enteritidis. The left sample is untreated; the right, treated.
Keywords air ionization, department of agriculture, gloved, gloved hands, gloves, hands, lab research, negative air ionization, petri dish, petri dishes, research, salmonella, salmonella enteritidis, science, sterilization, sterilization effects, united states department of agriculture, us department of agriculture, usda lab research, usda, free photography, free photo, free photos, free picture, free pictures, free image, free images
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