| From: | Tony Henwood |
Nicola,
Try coverslipping quicker. It might be that the slides are partially drying prior to mounting.
Just a thought
Tony Henwood JP, BappSc, GradDipSysAnalys, CT(ASC)
Laboratory Manager
The Children's Hospital at Westmead,
Locked Bag 4001, Westmead, 2145, AUSTRALIA.
Tel: (02) 9845 3306
Fax: (02) 9845 3318
http://www.histosearch.com/homepages/TonyHenwood/default.html
http://us.geocities.com/tonyhenwoodau/index.html
-----Original Message-----
From: ncragg [mailto:n.cragg@epistem.co.uk]
Sent: Wednesday, 18 September 2002 18:24
To: 'HistoNet Server'
Subject: Processing Carnoy's Fixed Tissue
Hello,
I'm emailing from Manchester in the UK and just starting my histology
career. Please can anyone help?
Just read some archived mail on Histonet regarding processing carnoy's
fixed tissue - I really need some help with this, as we are getting strange
black/brown nuclei throughout the tissue. It has been suggested that this
is the acid remaining in the nuclei. We have a Leica carousel tissue
processor without a vacuum, however, I have used an overnight 18 hours
program and still can't get rid of this. We also use other fixatives which
aren't a problem, but we would like to resolve the problem with carnoy's
fixed tissue, as we use this fixative a lot in our lab and it is necessary
for soem of our work. Tissues are fixed for approx. 1 hour in Carnoy's and
then transferred to 70% prior to processing.
I have also read on Histonet that there are 2 references regarding the
processing of carnoy's fixed tissue, however, there aren't any abstracts on
PubMed and I'm not sure whether our library holds this journal. Does
anyone know how I can get hold of them? They are:-
Puchtler H et al Histochemie 16:361-371, 1968
Puchtler H et al Histochemie 21:97-116, 1970
If anyone has any other advice for dealing with these tissues, I would be
very grateful if you could pass it on.
Kind regards,
Nicola Cragg
Epistem Ltd
Manchester, UK
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