RE: [Histonet] Help With Hemo Fading
I agree.. Also you're not storing them in sunlight are you? Silly question I know. Kemlo Rogerson e-mail kemloroger...@nhs.net if not at work. DD 01934 647057 or extension 3311 Mob 07749 754194; Embrace uncertainty. Hard problems rarely have easy solutions. --Jonah Lehrer This e-mail is confidential and privileged. If you are not the intended recipient please accept my apologies; please do not disclose, copy or distribute information in this e-mail or take any action in reliance on its contents: to do so is strictly prohibited and may be unlawful. Please inform me that this message has gone astray before deleting it. Thank you for your co-operation -Original Message- From: histonet-boun...@lists.utsouthwestern.edu [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Rene J Buesa Sent: 02 July 2009 20:28 To: histonet@lists.utsouthwestern.edu; sr...@aol.com Subject: Re: [Histonet] Help With Hemo Fading The fading most probably is caused by acid in the permanent slide, probably because the sections were passed through the alcohols very quickly after the acid differentiation, or they stayed little time in tap water after differentiation or no bluing agent was used. It is unlikely that the mounting medium is acidic, although that could also be the cause also. An acid environment over the cover slipped section is the most probable culprit for the henatoxylin fading. Check the staining protocol. René J. --- On Thu, 7/2/09, sr...@aol.com sr...@aol.com wrote: From: sr...@aol.com sr...@aol.com Subject: [Histonet] Help With Hemo Fading To: histonet@lists.utsouthwestern.edu Date: Thursday, July 2, 2009, 2:42 PM Hello everyone, ? We are having problems with short-term hematoxylin fading and loss of detail. The pathologist is freaking out! I've seen hemo fade over a long period of time but not in a matter of a few months. Slides from one year ago are really bad. ? I've been out of the business for a number of years and in the interim much has changed including reagents. These are GI tract biopsies processed by microwave. ? Any thoughts at all? ? Thanks! Marg ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
Re: [Histonet] Help With Hemo Fading
Even long term exposure to indoor lighting (fluorescent type) will fade sectiions. We work in a building where ther lights are permanently on. If we want to keep our sections fresh and helathy, they get covered up as soon as . best regards On Fri, Jul 3, 2009 at 9:09 AM, Kemlo Rogerson kemlo.roger...@waht.swest.nhs.uk wrote: I agree.. Also you're not storing them in sunlight are you? Silly question I know. Kemlo Rogerson e-mail kemloroger...@nhs.net if not at work. DD 01934 647057 or extension 3311 Mob 07749 754194; Embrace uncertainty. Hard problems rarely have easy solutions. --Jonah Lehrer This e-mail is confidential and privileged. If you are not the intended recipient please accept my apologies; please do not disclose, copy or distribute information in this e-mail or take any action in reliance on its contents: to do so is strictly prohibited and may be unlawful. Please inform me that this message has gone astray before deleting it. Thank you for your co-operation -Original Message- From: histonet-boun...@lists.utsouthwestern.edu [mailto: histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Rene J Buesa Sent: 02 July 2009 20:28 To: histonet@lists.utsouthwestern.edu; sr...@aol.com Subject: Re: [Histonet] Help With Hemo Fading The fading most probably is caused by acid in the permanent slide, probably because the sections were passed through the alcohols very quickly after the acid differentiation, or they stayed little time in tap water after differentiation or no bluing agent was used. It is unlikely that the mounting medium is acidic, although that could also be the cause also. An acid environment over the cover slipped section is the most probable culprit for the henatoxylin fading. Check the staining protocol. René J. --- On Thu, 7/2/09, sr...@aol.com sr...@aol.com wrote: From: sr...@aol.com sr...@aol.com Subject: [Histonet] Help With Hemo Fading To: histonet@lists.utsouthwestern.edu Date: Thursday, July 2, 2009, 2:42 PM Hello everyone, ? We are having problems with short-term hematoxylin fading and loss of detail. The pathologist is freaking out! I've seen hemo fade over a long period of time but not in a matter of a few months. Slides from one year ago are really bad. ? I've been out of the business for a number of years and in the interim much has changed including reagents. These are GI tract biopsies processed by microwave. ? Any thoughts at all? ? Thanks! Marg ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet -- Louise Renton Bone Research Unit University of the Witwatersrand Johannesburg South Africa There are nights when the wolves are silent and only the moon howls. George Carlin No trees were killed in the sending of this message. However, many electrons were terribly inconvenienced. ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
[Histonet] New Ventana IHC stainer
Dear Histonetters: Do you folks recommend getting a maintenance contract on a new ventana instrument? May you share your protocol for setting up the instrument? Thanks in advance, MG - -- The information transmitted by this e-mail and any included attachments are from ARUP Laboratories and are intended only for the recipient. The information contained in this message is confidential and may constitute inside or non-public information under international, federal, or state securities laws, or protected health information and is intended only for the use of the recipient. Unauthorized forwarding, printing, copying, distributing, or use of such information is strictly prohibited and may be unlawful. If you are not the intended recipient, please promptly delete this e-mail and notify the sender of the delivery error or you may call ARUP Laboratories Compliance Hot Line in Salt Lake City, Utah USA at (+1 (800) 522-2787 ext. 2100 ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
[Histonet] IHC stainer
Dear Histonetters: What is the best, most reliable workhorse immunostainer out there nowadays? and why. Thanks in advance, MG - -- The information transmitted by this e-mail and any included attachments are from ARUP Laboratories and are intended only for the recipient. The information contained in this message is confidential and may constitute inside or non-public information under international, federal, or state securities laws, or protected health information and is intended only for the use of the recipient. Unauthorized forwarding, printing, copying, distributing, or use of such information is strictly prohibited and may be unlawful. If you are not the intended recipient, please promptly delete this e-mail and notify the sender of the delivery error or you may call ARUP Laboratories Compliance Hot Line in Salt Lake City, Utah USA at (+1 (800) 522-2787 ext. 2100 ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
[Histonet] Fading of H E sections
Mostly it could be the acidic mounting media. Please check the pH of mounting media. Kamal See the Web#39;s breaking stories, chosen by people like you. Check out Yahoo! Buzz. http://in.buzz.yahoo.com/ ___ Histonet mailing list Histonet@lists.utsouthwestern.edu http://lists.utsouthwestern.edu/mailman/listinfo/histonet
