Kennedy Jr. may be a fan of methylene blue. President Donald Trump’s ... because of its anti-microbial characteristics,” he explained in a video on Instagram. He also uses it when he needs ...

Crystal violet showed about the same selective and bactericidal action as gentian violet. 3. Methylene blue as made up for staining showed little or no bactericidal action, the percentage of alcohol ...

1. Use the smear prepared in the previous procedure. Staining is done at the sink. 2. Add several drops of Methylene blue, enough to cover the smear, and wait 1 min. 3. Rinse the slide with water from ...