Re: [Histonet] IHC on old slides

2015-11-13 Thread Hobbs, Carl via Histonet
Amplification is the only way. Possibly, tyramide amplification will help. It will cost you to buy a kit...sure, make your own butyou have to weigh up pros/cons Sureyou will have to play with variables. ___ Histonet mailing list Histonet@lis

Re: [Histonet] IHC on old slides

2015-11-13 Thread Rene J Buesa via Histonet
The only thing you can do is to prolong the Ab staining time but, in order to avoid excessive background, dilute it. You will have to find an adequate balance between a more diluted Ab with a weaker spitope signal and a  prolonged incubation time and there is no "magic formula" for obtaining it.

[Histonet] IHC on old slides

2015-11-13 Thread Stoll, Kathryn via Histonet
Hi Everyone, I have been doing some IHC staining on slides that are 20 years old or more. Depending on the antibody the staining is pale in comparison to my control slide. Does anyone have experience with staining older slides? Do you have any tips to share? The slide storage conditions ar