- A
counterstain is a
stain with
colour contrasting to the prin****l stain,
making the
stained structure easily visible using a microscope.
Examples include...
- wash out on
addition of ethanol. They are
stained pink or red by the
counterstain,
commonly safranin or fuchsine. Lugol's
iodine solution is
always added...
- rods set
against a blue or
green background,
depending on the
specific counterstain used, such as
methylene blue or
malachite green, respectively. Non-acid-fast...
-
staining of the
target antigen,
another stain is
often applied. The
counterstain provide contrast that
helps the
primary stain stand out and
makes it...
-
membrane and a
bacterial outer membrane,
causing them to take up the
counterstain (safranin or fuchsine) and
appear red or pink.
Despite their thicker...
-
these standard techniques as consistent,
repeatable diagnostic tools. A
counterstain is
stain that
makes cells or
structures more visible, when not completely...
-
bacteria red or magenta, and
malachite green is used as a blue-green
counterstain.
Malachite green is also used in
endospore staining,
since it can directly...
- give a purple-magenta color. A
suitable basic stain is
often used as a
counterstain. • PAS
diastase stain (PAS-D) is PAS
stain used in
combination with diastase...
- cytology.
Safranin is used as a
counterstain in some
staining protocols,
colouring cell
nuclei red. This is the
classic counterstain in both Gram
stains and endospore...
-
positive and Gram negative) red, magenta, or pink. A
malachite green counterstain gives a blue-green
background cast to the
surrounding tissue. Histology...
