[Histonet] Sudan Black B

2023-08-10 Thread Betsy Molinari via Histonet
Hi, I have been asked to do a Sudan stain on a heart biopsy for lipofuscin. The biopsy is in a paraffin block. They are looking to better report and understand the IHC. I am totally unfamiliar with this stain. I did some reading but have been unable to find a protocol for paraffin sections. I

Re: [Histonet] Movats

2021-05-21 Thread Betsy Molinari via Histonet
= ________ From: Betsy Molinari via Histonet Sent: May 5, 2021 9:46 AM To: histonet@lists.utsouthwestern.edu Subject: [Histonet] Movats Hi Histonetters, I have received several human vessels for paraffin processing and to stain the sections for H and Movats. The H were f

Re: [Histonet] Movats

2021-05-13 Thread Betsy Molinari via Histonet
ter all, different tissues. A rather long, and not very helpful reply! John Kiernan London, Canada = = = ____ From: Betsy Molinari via Histonet mailto:histonet@lists.utsouthwestern.edu>> Sent: May 5, 2021 9:46 AM To: histonet@lists.utsouthwestern.edu<mailto:his

[Histonet] Movats

2021-05-05 Thread Betsy Molinari via Histonet
Hi Histonetters, I have received several human vessels for paraffin processing and to stain the sections for H and Movats. The H were fine. The human sections turned brownish yellow with the Movats.The control which is canine small intestine was perfect. The protocol is standard Bouins 1hr in

Re: [Histonet] stored in 80% isopropanol

2020-06-04 Thread Betsy Molinari via Histonet
has 20% water. You will still have water in the tissue. Donna Willis Anatomic Pathology Manager Baylor University Medical Center Baylor Scott Health 214-820-2465 office ____ From: Betsy Molinari via Histonet mailto:histonet@lists.utsouthwestern.edu>> Sent: Wednesday,

Re: [Histonet] stored in 80% isopropanol

2020-06-04 Thread Betsy Molinari via Histonet
5 Discovery Dr Boulder CO 80309 From: Betsy Molinari via Histonet<mailto:histonet@lists.utsouthwestern.edu> Sent: Wednesday, June 3, 2020 12:50 PM To: Porter, Amy<mailto:port...@msu.edu>; 'Histonet@lists.utsouthwestern.edu'<mailto:histonet@lists.utsouthwestern.edu> Subject: Re: [Histon

Re: [Histonet] stored in 80% isopropanol

2020-06-03 Thread Betsy Molinari via Histonet
ado c/o Kolicko AES Univ of Colorado Rm 224, 3775 Discovery Dr Boulder CO 80309 From: Betsy Molinari via Histonet<mailto:histonet@lists.utsouthwestern.edu> Sent: Wednesday, June 3, 2020 12:50 PM To: Porter, Amy<mailto:port...@msu.edu>; 'Histonet@lists.utsouthwestern.edu'<mailto:histone

Re: [Histonet] stored in 80% isopropanol

2020-06-03 Thread Betsy Molinari via Histonet
stored it in isopropyl for a long time I would go down to 70. But it may not make that much difference. Shirley -Original Message- From: Betsy Molinari via Histonet Sent: Wednesday, June 3, 2020 2:55 PM To: Whitaker, Bonnie ; 'Histonet@lists.utsouthwestern.edu' Subject: Re: [Histonet

[Histonet] stored in 80% isopropanol

2020-06-03 Thread Betsy Molinari via Histonet
Hi, If tissue is fixed in formalin ( I do not know if it is 10% NBF) then put in 80 % isopropanol can the tissue be processed as if it was in ETOH? What are the effects to the tissue stored in isopropanol? Thanks, Betsy Molinari HT (ASCP) Texas Heart Institute Cardiovascular Pathology 6770

Re: [Histonet] stored in 80% isopropanol

2020-06-03 Thread Betsy Molinari via Histonet
-Original Message- From: Betsy Molinari via Histonet Sent: Wednesday, June 3, 2020 2:49 PM To: Porter, Amy ; 'Histonet@lists.utsouthwestern.edu' Subject: Re: [Histonet] stored in 80% isopropanol CAUTION: External Email I am also in research. I have very little to go on, but I presume

Re: [Histonet] stored in 80% isopropanol

2020-06-03 Thread Betsy Molinari via Histonet
ation for clinical. ____ From: Betsy Molinari via Histonet mailto:histonet@lists.utsouthwestern.edu>> Sent: Wednesday, June 3, 2020 2:39 PM To: 'Histonet@lists.utsouthwestern.edu' mailto:Histonet@lists.utsouthwestern.edu>> Subject: [Histonet] stored in 80% isopr

Re: [Histonet] Deparaffinized slides

2020-01-21 Thread Betsy Molinari via Histonet
and it makes a mess when deparaffinizing them - that is 1,000 times more wax than you usually have on a slide!). Tim Morken Supervisor, Electron Microscopy/Neuromuscular Special Studies Department of Pathology UC San Francisco Medical Center -Original Message- From: Betsy Molinari via

Re: [Histonet] Histonet Digest, Vol 194, Issue 15

2020-01-21 Thread Betsy Molinari via Histonet
, and permanently delete this e-mail and the attachments, if any, and destroy any printouts. -Original Message- From: Betsy Molinari via Histonet [mailto:histonet@lists.utsouthwestern.edu] Sent: Tuesday, January 21, 2020 7:53 AM To: Charles Riley; 'Histonet@lists.utsouthwestern.edu' Subject: Re

Re: [Histonet] Histonet Digest, Vol 194, Issue 15

2020-01-21 Thread Betsy Molinari via Histonet
st like you would a paraffin block by putting some fresh paraffin on top of the section again and allowing it to dry. It would just then need to be reheated and run down to remove the paraffin cover before staining. On Tue, Jan 21, 2020 at 6:50 AM Betsy Molinari via Histone

Re: [Histonet] Histonet Digest, Vol 194, Issue 15

2020-01-21 Thread Betsy Molinari via Histonet
Thank you for the reply Amos. I totally agree but the researcher did not inform me until after the deparaffinization was finished. She wanted to hold off on the staining but it was too late and I went ahead with the staining. I was just curious if there was, in fact a procedure to preserve a

Re: [Histonet] Deparaffinized slides

2020-01-20 Thread Betsy Molinari via Histonet
hing without a sharp eye. - Klingon Proverb On Monday, January 20, 2020, 07:09:59 AM CST, Betsy Molinari via Histonet mailto:histonet@lists.utsouthwestern.edu>> wrote: Good day and Happy Martin Luther King Day. What are your thoughts on letting deparaffinized slides dry to be used for fu

[Histonet] Deparaffinized slides

2020-01-20 Thread Betsy Molinari via Histonet
Good day and Happy Martin Luther King Day. What are your thoughts on letting deparaffinized slides dry to be used for future use , or keep in DI water for a time? I deparaffinized some slides this morning, then the researcher called and asked me to hold off on staining them. I am going to

[Histonet] waterbath/paraffin

2019-10-25 Thread Betsy Molinari via Histonet
Hi, When I place my sections on the waterbath the paraffin pulls away from it. Leaving just the edge of the tissue. It is very weird. I have tried at different temps . The tissue itself is fine so I do not believe it is the processing. I use the same paraffin for processing as well as

Re: [Histonet] Mallory-Azan stain

2019-09-11 Thread Betsy Molinari via Histonet
earcher to let you try > something simpler before attempting Heidenhain's AZAN. Wheater's > Functional Histology has a nice photomicrograph of a section stained > with H and for endocardial elastin (looks like orcein). > > Enough rambling! > John Kiernan > Anatomy & C

Re: [Histonet] Mallory-Azan stain

2019-09-10 Thread Betsy Molinari via Histonet
Betsy Molinari Sr. Histology Research Technician CV Pathology Research Texas Heart Institute 6770 Bertner Avenue, MC 1-283 Houston, TX 77030 Office: 832-355-6524 | Fax: 832-355-6812 Email: bmolin...@texasheart.org texasheart.org | facebook | twitter -Original Message- From:

[Histonet] Mallory-Azan stain

2019-09-09 Thread Betsy Molinari via Histonet
Hi histonetters, I have a researcher that wants to stain Purkinje fibers and has requested a Mallory-Azan stain. I have no experience with this stain. I have looked online for information but am reaching out to you for personal advice. Thanks. Betsy Molinari HT,ASCP Texas Heart Institute 6770

Re: [Histonet] time for penetration of methacarn fixative

2019-05-07 Thread Betsy Molinari via Histonet
John, You are such a wealth of information. I look forward to your posts. I learn something every time. That is going to be my reading list as well. Thank you. Betsy Molinari HT (ASCP) Texas Heart Institute 6770 Bertner Ave Houston, TX 77030 832-355-6524 (lab) 832-355-6812 (fax) Betsy Molinari

Re: [Histonet] biopsy staining

2019-04-26 Thread Betsy Molinari via Histonet
ette Pavelich, HT(ASCP), QIHC > > Sent from my iPhone > >> On Apr 26, 2019, at 8:21 AM, Betsy Molinari via Histonet >> wrote: >> >> Hi, >> I have researched the archives but still have concerns. I have some very >> small pieces of tissue that are in 70%

[Histonet] biopsy staining

2019-04-26 Thread Betsy Molinari via Histonet
Hi, I have researched the archives but still have concerns. I have some very small pieces of tissue that are in 70% ETOH. Should I mark them with eosin or safranin O? From what I have read the tissues were still in formalin, and mine are already in alcohol. Can they still be marked? At the