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A permanent marker or indelible marker is a type of marker pen that is used to create permanent or ... permanent markers can be used to do a negative stain of a ...
Marking out a metal bar. Marking blue or layout stain (sometimes called Dykem after trademark erosion of a popular brand, or Prussian blue after the blue pigment) is a dye used in metalworking to aid in marking out rough parts for further machining.
A Ziehl–Neelsen stain is an acid-fast stain used to stain species of Mycobacterium tuberculosis that do not stain with the standard laboratory staining procedures such as Gram staining. This stain is performed through the use of both red coloured carbol fuchsin that stains the bacteria and a counter stain such as methylene blue .
Marker pens are the most efficient use of ink, with one 5 ml pen able to mark 600 people, although dipping bottles are often preferred, despite a 100 ml bottle only marking 1000. [citation needed] Dipping bottles can leave a more comprehensive stain with slightly greater longevity (depending on silver nitrate content) than markers can. However ...
Permanent markers, aka Sharpies, don't necessarily leave behind permanent stains! Here's how to get them off everything from clothing to your walls. The post How to Remove Permanent Marker Stains ...
DAPI (pronounced 'DAPPY', /ˈdæpiː/), or 4′,6-diamidino-2-phenylindole, is a fluorescent stain that binds strongly to adenine–thymine-rich regions in DNA.It is used extensively in fluorescence microscopy.