Being a cationic dye, crystal violet can be used to stain negatively charged polymers such as DNA 18 and cell walls of bacteria, the latter of which is partially the basis of Gram staining to ...

If you don’t routinely back up your data and have lost essential files from an external hard drive, external hard drive recovery can be challenging. External hard disk data recovery can be more ...

WASHINGTON — Researchers have developed a fast and energy-efficient laser-writing method for producing high-density nanostructures in silica glass. These tiny structures can be used for long-term five ...