RE: [Histonet] restarting DAB reaction

2008-10-14 Thread Tony Henwood
Yes, I would also agree that this would probably be the case. I have not tried to redo the DAB step after counterstaining, dehydrating, clearing and mounting. I would expect it not to work. Though I could easily be corrected. Regards Tony Henwood JP, MSc, BAppSc, GradDipSysAnalys, CT(ASC) Labor

RE: [Histonet] restarting DAB reaction

2008-10-14 Thread jmyers1
Emily: Although it might seem that the reapplication of a substrate-chromogen solution?after removal of the coverslip/mounting media and rehydration?should work, it?very rarely does.? The scientific reason is that, after the specimen has been dehydrated and coverslipped,?the enzyme label (e.g. p

[Histonet] RE: [IHCRG] IHC antibody expiration question for CAP. .

2008-10-14 Thread James Watson
I do not know much about why expiration dates were started, but I would assume that fear of being sued has a lot to do with it. A missed diagnosis and a lawyer could go after the lab, pathologist, doctor, and antibody manufacturer. A manufacturer would loose a lot more money in a lawsuit than

RE: [Histonet] Trichrome Stain

2008-10-14 Thread Bartlett, Jeanine (CDC/CCID/NCZVED)
Prior to purchasing the Artisan we were using the Gomori's One-Step trichrome with great success. Kit H017 at Polyscientific...www.polyrnd.com From: [EMAIL PROTECTED] on behalf of Henry, Charlene Sent: Tue 10/14/2008 6:09 PM To: histonet@lists.utsouthwestern.edu

Re: [Histonet] Nails

2008-10-14 Thread Joe Nocito
it's a good thing you asked. I let my nails (well not my nails personally, but the specimen nails) soak in 20% ammonium hydroxide or 20% sodium hydroxide for at least 1 hour (sodium hydroxide works better, but whatever you can get). Then I rinse the blocks in running water for 2-3 minutes, then

[Histonet] Trichrome Stain

2008-10-14 Thread Henry, Charlene
We are going to discontinue the use of the Ventana Trichrome kit because the kit expires so quickly and we do not perform enough Trichrome stains to use all of the reagents. We have not performed a manual Trichrome stain in such a long time that I was wondering what Trichrome protocol is most la

[Histonet] Nails

2008-10-14 Thread Godfrey Guerzon
We are having problems getting nail sections to stick to the slide.  They almost always fall off the slide during H&E staining.  We use plus slides and various adhesives - sta-on, hairspray, etc. with no success. Is there anybody that can help me by sharing their secret method to get nail secti

RE: [Histonet] Re: Manual for Tissue-TEC 5 EM A-1 5101 Embedding Center

2008-10-14 Thread Sherwood, Margaret
Thank you Charles! I contacted Sakura and someone called me immediately. You were right; the light had been turned down! It's hard when you don't have a manual. For future reference, I was told that you have to buy the manual (@ $125)! -Original Message- From: Charles E. Brown, Jr. [m

RE: [Histonet] Titration Runs on Ventana Ultra

2008-10-14 Thread Ingles Claire
Probably about the same as a human one... :) Claire From: [EMAIL PROTECTED] on behalf of Houston, Ronald Sent: Tue 10/14/2008 3:21 PM To: Gagnon, Eric; histonet@lists.utsouthwestern.edu Subject: RE: [Histonet] Titration Runs on Ventana Ultra And how much does t

[Histonet] cryostat blues

2008-10-14 Thread N Fournier
Hi Everyone: I am encountering problems with curling whenever I lift the antiroll plate and attempt to retrieve the section. Often the top portion of the section will remain flat while the bottom curls. I am sectioning fixed rat brains on a Vibratome Ultrapro 5000 cyrostat. The brains were plac

RE: [Histonet] Titration Runs on Ventana Ultra

2008-10-14 Thread Houston, Ronald
And how much does this baby cost? Ronnie Houston Anatomic Pathology Manager Nationwide Children's Hospital Columbus OH 43205 (614) 722 5450 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Gagnon, Eric Sent: Tuesday, October 14, 2008 3:53 PM To: histonet@li

[Histonet] Titration Runs on Ventana Ultra

2008-10-14 Thread Gagnon, Eric
The new Ventana Ultra allows slides requiring titration/manual application of antibody to be loaded concurrently with protocols using dispensers. This is because it is a continuous access system, any slide/any time. This is an exciting change for those of us who have had to run titrations as s

RE: [Histonet] RE: Are there no LEAN labs out there?

2008-10-14 Thread Jacqueline.Farnsworth
HI Hazel Our lab has, in fact, been "LEANED". We were somewhat limited by budget of course, but we did a fair amount of streamlining. We are at 5 sites in the city, so each site presented it's own challenges. We are currently in the process of maintaining our processes. If you would like

[Histonet] Re: Manual for Tissue-TEC 5 EM A-1 5101 Embedding Center

2008-10-14 Thread Sherwood, Margaret
To all: Would anyone have a manual for the above embedding center? Or could tell us how to set the temperature on the unit? Our settings got eliminated and we can't figure out how to re-set them? Thanks! Peggy Peggy Sherwood Lab Associate, Photopathology Wellman Center for Photomedicine

Re: [Histonet] Expiration dates

2008-10-14 Thread Mark Tarango
True, but unless you have every slide on the run as titration the machine wont start. That's a good trick if you just have a titration run. Mark On Tue, Oct 14, 2008 at 11:37 AM, Sebree Linda A. <[EMAIL PROTECTED]>wrote: > Yes, you can always run in "manual" modeediting the protocol to > "ti

RE: [Histonet] Expiration dates

2008-10-14 Thread Sebree Linda A.
Yes, you can always run in "manual" modeediting the protocol to "titration" rather than "antibody". That does indeed allow you to manually apply the antibody when the instrument signals its time to do so. Linda A. Sebree University of Wisconsin Hospital & Clinics IHC/ISH Laboratory DB1-223 VA

Re: [Histonet] Re: We are running a congo red stain and have siodium chloride cryatals precipa

2008-10-14 Thread Jane M Flinn
Thanks for the helpful comments. jane "Life is short - make haste to be kind" Dr. Jane Flinn Director, Undergraduate Neuroscience Program George Mason University, 3F5 4400 University Dr. Fairfax, VA 22030 Phone: 703-993-4107 Fax: 703-993-1359 - Original Message - From: Jane M Flinn <[E

Re: [Histonet] Re: We are running a congo red stain and have siodium chloride cryatals precipa

2008-10-14 Thread Jane M Flinn
Thanks, the student indeed had a super saturated solution, Jane "Life is short - make haste to be kind" Dr. Jane Flinn Director, Undergraduate Neuroscience Program George Mason University, 3F5 4400 University Dr. Fairfax, VA 22030 Phone: 703-993-4107 Fax: 703-993-1359 - Original Message --

Re: [Histonet] Re: We are running a congo red stain and have siodium chloride cryatals precipa

2008-10-14 Thread Jane M Flinn
Problem solved. jane "Life is short - make haste to be kind" Dr. Jane Flinn Director, Undergraduate Neuroscience Program George Mason University, 3F5 4400 University Dr. Fairfax, VA 22030 Phone: 703-993-4107 Fax: 703-993-1359 - Original Message - From: Jane M Flinn <[EMAIL PROTECTED]>

Re: [Histonet] Re: We are running a congo red stain and have siodium chloride cryatals precipa

2008-10-14 Thread renafail
Are you filtering the solutions before immersing the slides? The sodium chloride is a saturated solution. Rena Fail -- Original message from Jane M Flinn <[EMAIL PROTECTED]>: -- We are running a congo red stain and have sodium chloride crystals precipataing > onto

RE: [Histonet] Expiration dates

2008-10-14 Thread Milne, Katy
Hi Amy, I use the Ventana Discovery and I add my antibodies manually as I'm in research and don't feel like shelling out extra for empty containers to put my Abs in. Do you have an option on the Benchmark to switch the primary Ab step to "titration" or something like that (can't remember what th

[Histonet] Re: We are running a congo red stain and have siodium chloride cryatals precipa

2008-10-14 Thread Jane M Flinn
We are running a congo red stain and have sodium chloride crystals precipataing onto the slide. Does anyone know why and how we can fix this? jane "Life is short - make haste to be kind" Dr. Jane Flinn Director, Undergraduate Neuroscience Program George Mason University, 3F5 4400 University Dr.

[Histonet] Liz - Cells on demineralized bone

2008-10-14 Thread Vicki Kalscheur
Liz, When I do some smaller odd type bone samples, in paraffin, we have found the cutting pulls the cells out of the nice, lacunae network and the cells sit on top. It is an artifact we have noted for years. Calcified sectioning might be better. Vicki ___

Re: [Histonet] CD105 and CD166 on human bone/bone marrow

2008-10-14 Thread Greg Dobbin
Liz, If your controls are fine but your bone marrows are not, could it be the decalcification process that is damaging these antigens? Try using EDTA for decal instead of formic acid. Just a thought. Greg Greg Dobbin, R.T. Chief Technologist, Anatomic Pathology Dept. of Laboratory Medicine, Queen

Re: [Histonet] Are there no LEAN labs out there?

2008-10-14 Thread Sharon Scalise
Here is a link to Henry Ford Hospital (Detroit, MI). They are a LEAN lab and they are holding a seminar for interested labs. Hope this helps. http://www.henryford.com/HFProductionSystem Sharon E. Scalise, HTL (ASCP) Histology Supervisor William Beaumont Hospital Royal Oak, MI 48073 248 89

[Histonet] More bone questions

2008-10-14 Thread Liz Chlipala
I'm working with a client who it is growing cells on a demineralized bone matrix. We have processed the tissue both manually and on a VIP and we are seeing that the cells are not attached to the bone and that they are separated away from the bone. We are trying to figure out if this is a processi

[Histonet] CD105 and CD166 on human bone/bone marrow

2008-10-14 Thread Liz Chlipala
Hello All I need a bit of help here. We have been trying to localize CD105 and CD166 in human bone. Our control tissue is staining just fine (human tonsil and human skin) but we have been unable to demonstrate any of these cells within the bone marrow. Any help would be appreciated, especially

[Histonet] RE: Are there no LEAN labs out there?

2008-10-14 Thread Della Speranza, Vinnie
Hazel, I am scheduled to attend a Surgical Pathology Lean training workshop at Henry Ford Hospital in Detroit. You can see the information at this link http://www.henryford.com/body.cfm?id=50135 I don't know anyone who works in the lab there but you might find it useful to contact the histo la

[Histonet] Are there no LEAN labs out there?

2008-10-14 Thread Horn, Hazel V
I have not heard from any labs that have gone to the LEAN process. Are there none out there? I have heard from labs who are interested in it but not one response from a lab who is LEAN. Thanks. Hazel Horn Hazel Horn, HT/HTL (ASCP) Supervisor of Histology Arkansas Children's Hospital 800

RE: [Histonet] IHC stainers

2008-10-14 Thread Rathborne, Toni
We have found that when using the Bond, it is easier to get started with 10 slides, or 1 or 2 small cases. Our pathologists make requests throughout the day, and to have to hold up the entire run so that another case can be added creates a delay in results. -Original Message- From: [EM

Re: [Histonet] Decolorize for IHC

2008-10-14 Thread Richard Cartun
You don't need to decolorize. Remove the coverslip, rehydrate to water (the eosin will come out in the alcohol), and then begin your IHC procedure. Hopefully, the tissue is mounted on an adhesive or charged slide. If not, you may have to cut back your antigen retrieval. Also, you may want to

Re: [Histonet] Re: Modified Davidsons Vendor in Europe

2008-10-14 Thread Jackie M O'Connor
They are very competent - however, I am hoping to find a vendor in the interest of time management, as they must currently prepare huge volumes for literally hundreds of samples per week. It's all about lean laboratory practices - these are some of the finest histotechnologists in the world -