Re: [Histonet] Thioflavine S for Amyloid

2013-04-14 Thread Lee Peggy Wenk
Congo red is the gold standard for amyloid staining. It is the most sensitive of the amyloid stain, at about 97%. However, sometimes the Congo red will not stain the amyloid protein, such as when the amyloid is a large, very old deposit. In that case, more and more amyloid is being crammed into

Re: [Histonet] Re: Formalin Neutralizer

2013-04-14 Thread Rene J Buesa
Benjamin: You are wrong again because formalin is the commercial brand name used to define the about 47% aq. solution of methanal in dist. water and, as a matter of fact, it does contain an additive (methanol) to prevent its polymerization into para-formaldehyde. René J. From: Benjamin

[Histonet] Amyloid

2013-04-14 Thread Cesar Francisco Romero
I think this is a great article to read about amyloid. This is the link to the paper http://propath.com/newsletters-immunohistochemistry-173/181-september-2004-immunohistochemistry-in-amyloidosis It belongs to a great Pathologist Dr. Rodney T. Miller Dr. César RomeroBuenos AiresArgentina

Re: [Histonet] RE: California Society for Histotechnology Meeting May 3-5

2013-04-14 Thread Jennifer MacDonald
Can the room block rate be extended? From: James Watson jwat...@gnf.org To: James Watson jwat...@gnf.org, 'Histonet@lists.utsouthwestern.edu' Histonet@lists.utsouthwestern.edu Date: 04/10/2013 07:35 AM Subject:[Histonet] RE: California Society for Histotechnology Meeting May

[Histonet] special stain reagents change

2013-04-14 Thread Sophia Lin
Coming from a large reference laboratory, it was crucial to change out reagents for special stains every week since our workload was so heavy. Now at a smaller GI lab, I am wondering if it is absolutely necessary to change out the reagents so frequently? We have changed about 2-3 weeks depending