The formaldehyde in formalin is present as low polymers. The depolymerize when
the liquid is diluted. With storage, especially at lower temperatures, the
small polymers join together anf form large insoluble polymers, known as
paraformaldehyde. This reduces the effective concentration of formald
Who are you guys using for servicing different equipment like microtome,
cryostat, stainers in the San Diego area?
Thank you in advance,
Bea
Beatrice DeBrosse-Serra HT(ASCP)QIHC
Isis Pharmaceuticals
Antisense Drug Discovery
2855 Gazelle Ct.
Carlsbad, CA 92010
760-603-2371
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Hello Everyone
It's getting really close to June 1st which is the deadline for nominations for
NSH Awards. I know that you have heard me say over and over again how
important it is to nominate yourself of other individuals for awards but I am
going to keep doing it. So here it goes...
Th
Hi,
Paraffin build-up should not be a common practice. I recall being told as a
student decades ago, "The waterbath should be kept scrupulously clean". Some
things are still true today and this is one of them.
Does your waterbath have a glass insert? If so, simply wipe off all of the
paraffin
Hi there,
we have a bottle of formaline 40% with crystals at the bottom. Can we
used it? is there any way to re-suspend the crystals? Better dispose of
it? and, BTW, do you know why it crystallized? by its side there is
another bottle, same batch, with no crystals.
thanks a lot your comments
Thank you for your advice!
I was going to try if the current sample that was embedded by a technician at
the histological service center. This is the first time that i asked for an
expert to prepare my sample. Then I sectioned the sample by myself. However,
the muscles in the section always look
