[Histonet] Immunohistochemistry

2009-05-18 Thread shama zafar
I am working in immuno Lab doing hgh volume and i need resource where i can 
have some continuing education.Thanks if any one can help.



  
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[Histonet] Cytoseal XYL

2009-05-18 Thread Mike Tighe
Has anyone compared Cytoseal 60 with Cytoseal XYL? I clear with Xylene and use 
cytoseal 60 (Toluene)to coverslip. Seems like it would make sense to use 
Cytoseal XYL (Xylene) but they only sell in a case and I can't get a sample. I 
would be interested to know if anyone has a preference.

Thanks!!
Mike


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Re: AW: [Histonet] Chemicals that inactivate the primary antibody

2009-05-18 Thread Merced M Leiker

Hi TF and all interested,

I think I know what you want, but unfortunately I don't know how to answer 
your question (it is something I'd like answered myself!!)  To re-word for 
the sake of all interested:


You want to perform double-immunofluorescent staining using 2 primaries 
that were raised in the same species.


An additional question for clarification is: Do you want to do this on 
paraffin or frozen sections?


Maybe someone can help figure it out...

Merced


--On Sunday, May 17, 2009 2:16 AM +0800 TF ti...@foxmail.com wrote:


But the heat also damage the fluorescnece...
u need specific amplication kit anyway.


2009-05-17



TF



发件人: Gudrun Lang
发送时间: 2009-05-17  02:00:18
收件人: ti...@foxmail.com
抄送: histonet@lists.utsouthwestern.edu
主题: AW: [Histonet] Chemicals that inactivate the primary antibody

For doublestaining the primary undergoes denaturation through a second
HIER-step. The second secondary ab doesn't bind to the first primary.
Therefore the binding sites must have been destroyed by heat in
retrieval-buffer.
Gudrun
-Urspr黱gliche Nachricht-
Von: histonet-boun...@lists.utsouthwestern.edu
[mailto:histonet-boun...@lists.utsouthwestern.edu] Im Auftrag von TF
Gesendet: Samstag, 16. Mai 2009 18:48
An: Histonet@lists.utsouthwestern.edu
Betreff: [Histonet] Chemicals that inactivate the primary antibody
Hi all, just wonder what kind of treatments/chemicals can complete block
the binding of 2nd antibody to binded primary antibody on antigen?
I tried HCl , but does not damage all the primaryantibody binding sites -
i can still see staining pattern finally.
2009-05-17
TF
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Merced M Leiker
Cardiovascular Medicine
348 Biomedical Research Building
State University of New York at Buffalo
3435 Main St, Buffalo, NY  14214
lei...@buffalo.edu
716-829-6118

No trees were harmed in the sending of this email.
However, many electrons were severely inconvenienced.


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[Histonet] Canine CD25

2009-05-18 Thread Neil Macintyre
Hi everyone.

I have a researcher that would like to look at CD25 in canine tissue. Has 
anyone ever used this antibody? Any information would be much appreciated

Neil MacIntyre CSci FIBMS
Laboratory Manager
Veterinary Pathology Unit
Easter Bush Veterinary Centre
Nr Roslin
Midlothian
EH25 9RG

phone:0131 650 6403/8802
Fax:  0131 445 5770

The University of Edinburgh is a charitable body, registered  in Scotland, with 
registration number SC005336.


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[Histonet] DAB WASTE

2009-05-18 Thread Karen Kay
Hello Jennifer,
We are a hospital site and operate 2 Dako Autostainers. We collect our DAB 
waste into empty plastic carboys from Coulter Diluent used in our Hematology 
Department. These containers are encased within a cardboard cover. They are 
very convenient as we can place the hose directly into the waste container from 
the Dako itself.
Our volume is such that we discard the containers on a weekly basis. Hope this 
information is useful to you
Karen K
Histopathology Dept
Lethbridge Regional Hospital
Lethbridge,Alberta, CANADA

--

Message: 6
Date: Wed, 13 May 2009 05:51:33 -0700
From: Jennifer Campbell jcampb...@vdxpathology.com
Subject: [Histonet] Question about DAB waste
To: histonet@lists.utsouthwestern.edu
Message-ID:
5658cbdb9eae6545abe50d2563d81bf821c...@vdxserver01.vdxpathology.local

Content-Type: text/plain;   charset=US-ASCII

We just purchased a Dako Autostainer and are in the process of figuring out how 
to get rid of the haz waste that we will be generating.  The machine separates 
the haz from non-haz, thankfully.  I've been communicating with our waste 
facility and have been having some difficulty.  They want to know a lot of 
specifics like, how much waste we will be brining to them at a time and how 
often, what sort of containers we will be bringing it in etc.  Do you let the 
haz waste carboy get to a certain level before emptying it?  Is it ok to pour 
this waste into plastic containers of some sort (we were going to use empty 
distilled water bottles) to transport them to the facility?
I would appreciate any insight.  Thank you.

Jennifer C.



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RE: [Histonet] KP Marker Plus

2009-05-18 Thread Dan Diaz
That is Mercedes Medicals LIST Price for those accounts that order
online and order 1 box per year.  If you order through a Histology Sales
Rep (800-331-2716)  You may enjoy a discounted price.  Because Mercedes
Medical Reps are nice and appreciate great customers!



-Original Message-
From: Dave Johnson 
Sent: Friday, May 15, 2009 1:34 PM
To: Sales Inside; Marketing Department
Subject: FW: [Histonet] KP Marker Plus

Theres some great free marketing. Anyone want to couthly respond?
Or maybe lower our list price. We don't sell to that many at that price

Whose?   SUNY Buffalo ,  asses 


 


-Original Message-
From: histonet-boun...@lists.utsouthwestern.edu
[mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Merced M
Leiker
Sent: Friday, May 15, 2009 1:23 PM
To: histonet@lists.utsouthwestern.edu
Subject: RE: [Histonet] KP Marker Plus


By the way, they are only $55/box... :-)


--On Friday, May 15, 2009 1:17 PM -0400 Merced M Leiker 
lei...@buffalo.edu wrote:

 Indeed! My box of 12 pens just arrived today. Cat# KLI KPPEN. 
 www.mercedesmedical.com

 Merced

 --On Friday, May 15, 2009 11:16 AM -0500 Molinari, Betsy 
 bmolin...@heart.thi.tmc.edu wrote:

 Mercedes Medical 800-331-2716

 Betsy Molinari HT (ASCP)
 Texas heart Institute
 Cardiovascular Pathology
 Houston,TX 77090
 832-355-6524
 -Original Message-
 From: histonet-boun...@lists.utsouthwestern.edu
 [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of 
 Metzger, Kenneth
 Sent: Friday, May 15, 2009 11:13 AM
 To: histonet@lists.utsouthwestern.edu
 Subject: [Histonet] KP Marker Plus

 Does anyone know who sells the KP Marker PLUS? I can't seem to find 
 them. Thanks for any help.



 Ken



 Kenneth G Metzger HTL(ASCP)

 ARUP Labs

 Histology Supervisor

 500 Chipeta Way

 Salt Lake City, Utah 84108-1221

 kenneth.metz...@aruplab.com

 (801) 583-2787 x 3101




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 Merced M Leiker
 Cardiovascular Medicine
 348 Biomedical Research Building
 State University of New York at Buffalo
 3435 Main St, Buffalo, NY  14214
 lei...@buffalo.edu
 716-829-6118

 No trees were harmed in the sending of this email.
 However, many electrons were severely inconvenienced.


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Merced M Leiker
Cardiovascular Medicine
348 Biomedical Research Building
State University of New York at Buffalo
3435 Main St, Buffalo, NY  14214
lei...@buffalo.edu
716-829-6118

No trees were harmed in the sending of this email.
However, many electrons were severely inconvenienced.


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[Histonet] Thermo-Fisher Products

2009-05-18 Thread Leann M. Murphy
I was just wondering what everyone's thoughts were on thermo products.
I have been demo-ing an  Exlcelsior Processor and was wondering if
anyone had any problems.

Let me know.

 

LeAnn Murphy

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[Histonet] CD25

2009-05-18 Thread Neil Macintyre

Hi everyone.

I have a researcher that would like to look at CD25 in canine tissue. Has 
anyone ever used this antibody? Any information would be much appreciated


Neil MacIntyre CSci FIBMS
Laboratory Manager
Veterinary Pathology Unit
Easter Bush Veterinary Centre
Nr Roslin
Midlothian
EH25 9RG

phone:0131 650 6403/8802
Fax:  0131 445 5770

The University of Edinburgh is a charitable body, registered  in Scotland, with 
registration number SC005336.


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Re: AW: [Histonet] Chemicals that inactivate the primary antibody

2009-05-18 Thread Rene J Buesa
I am completely confused.
IF you have an epitope in the tissue and you react with it an specific antibody 
that is it. The epitope will have reacted and I do not see any way in which 
you can add another antibody to that initial epitope. From the reactive point 
of view, the epitope is blocked to react with another, unless the reaction is 
not totally specific and there is room for another.
I just cannot imagine a way of doing this.
René J.

--- On Mon, 5/18/09, Merced M Leiker lei...@buffalo.edu wrote:


From: Merced M Leiker lei...@buffalo.edu
Subject: Re: AW: [Histonet] Chemicals that inactivate the primary antibody
To: ti...@foxmail.com, gu.l...@gmx.at
Cc: histonet@lists.utsouthwestern.edu
Date: Monday, May 18, 2009, 9:42 AM


Hi TF and all interested,

I think I know what you want, but unfortunately I don't know how to answer 
your question (it is something I'd like answered myself!!)  To re-word for 
the sake of all interested:

You want to perform double-immunofluorescent staining using 2 primaries 
that were raised in the same species.

An additional question for clarification is: Do you want to do this on 
paraffin or frozen sections?

Maybe someone can help figure it out...

Merced


--On Sunday, May 17, 2009 2:16 AM +0800 TF ti...@foxmail.com wrote:

 But the heat also damage the fluorescnece...
 u need specific amplication kit anyway.


 2009-05-17



 TF



 发件人: Gudrun Lang
 发送时间: 2009-05-17  02:00:18
 收件人: ti...@foxmail.com
 抄送: histonet@lists.utsouthwestern.edu
 主题: AW: [Histonet] Chemicals that inactivate the primary antibody

 For doublestaining the primary undergoes denaturation through a second
 HIER-step. The second secondary ab doesn't bind to the first primary.
 Therefore the binding sites must have been destroyed by heat in
 retrieval-buffer.
 Gudrun
 -Urspr黱gliche Nachricht-
 Von: histonet-boun...@lists.utsouthwestern.edu
 [mailto:histonet-boun...@lists.utsouthwestern.edu] Im Auftrag von TF
 Gesendet: Samstag, 16. Mai 2009 18:48
 An: Histonet@lists.utsouthwestern.edu
 Betreff: [Histonet] Chemicals that inactivate the primary antibody
 Hi all, just wonder what kind of treatments/chemicals can complete block
 the binding of 2nd antibody to binded primary antibody on antigen?
 I tried HCl , but does not damage all the primaryantibody binding sites -
 i can still see staining pattern finally.
 2009-05-17
 TF
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Merced M Leiker
Cardiovascular Medicine
348 Biomedical Research Building
State University of New York at Buffalo
3435 Main St, Buffalo, NY  14214
lei...@buffalo.edu
716-829-6118

No trees were harmed in the sending of this email.
However, many electrons were severely inconvenienced.


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RE: [Histonet] Thermo-Fisher Products

2009-05-18 Thread Carol Bryant
We have an Excelsior that is about 5 years old.  We have had a lot of
issues and have had service too many times in the past year to count.
We are looking at replacing it. Perhaps we got a lemon, but I don't
think I could recommend it based on our experience. Are there any other
processors anyone would like to recommend?  Also, how about microwave
processors and IHC?  
Thanks,
Carol 

-Original Message-
From: histonet-boun...@lists.utsouthwestern.edu
[mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Leann M.
Murphy
Sent: Monday, May 11, 2009 10:33 AM
To: histonet@lists.utsouthwestern.edu
Subject: [Histonet] Thermo-Fisher Products

I was just wondering what everyone's thoughts were on thermo products.
I have been demo-ing an  Exlcelsior Processor and was wondering if
anyone had any problems.

Let me know.

 

LeAnn Murphy

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Re: Re: AW: [Histonet] Chemicals that inactivate the primary antibody

2009-05-18 Thread TF
Thanks all, Merced M Leiker is right: the double IHC procedure using two 
primary antibodies from same species.

Some expert just sent me their procedure of Heat-interval  based inactivation 
of the primary antibody for first antigen.
I am just seeking for a chemical way at room temperature.


2009-05-18 



TF 



发件人: Rene J Buesa 
发送时间: 2009-05-18  22:31:30 
收件人: tifei; gu.lang; Merced M Leiker 
抄送: histonet 
主题: Re: AW: [Histonet] Chemicals that inactivate the primary antibody 
 
I am completely confused.
IF you have an epitope in the tissue and you react with it an specific antibody 
that is it. The epitope will have reacted and I do not see any way in which 
you can add another antibody to that initial epitope. From the reactive point 
of view, the epitope is blocked to react with another, unless the reaction is 
not totally specific and there is room for another.
I just cannot imagine a way of doing this.
René J.

--- On Mon, 5/18/09, Merced M Leiker lei...@buffalo.edu wrote:


From: Merced M Leiker lei...@buffalo.edu
Subject: Re: AW: [Histonet] Chemicals that inactivate the primary antibody
To: ti...@foxmail.com, gu.l...@gmx.at
Cc: histonet@lists.utsouthwestern.edu
Date: Monday, May 18, 2009, 9:42 AM


Hi TF and all interested,

I think I know what you want, but unfortunately I don't know how to answer 
your question (it is something I'd like answered myself!!)  To re-word for 
the sake of all interested:

You want to perform double-immunofluorescent staining using 2 primaries 
that were raised in the same species.

An additional question for clarification is: Do you want to do this on 
paraffin or frozen sections?

Maybe someone can help figure it out...

Merced


--On Sunday, May 17, 2009 2:16 AM +0800 TF ti...@foxmail.com wrote:

 But the heat also damage the fluorescnece...
 u need specific amplication kit anyway.


 2009-05-17



 TF



 发件人: Gudrun Lang
 发送时间: 2009-05-17  02:00:18
 收件人: ti...@foxmail.com
 抄送: histonet@lists.utsouthwestern.edu
 主题: AW: [Histonet] Chemicals that inactivate the primary antibody

 For doublestaining the primary undergoes denaturation through a second
 HIER-step. The second secondary ab doesn't bind to the first primary.
 Therefore the binding sites must have been destroyed by heat in
 retrieval-buffer.
 Gudrun
 -Urspr黱gliche Nachricht-
 Von: histonet-boun...@lists.utsouthwestern.edu
 [mailto:histonet-boun...@lists.utsouthwestern.edu] Im Auftrag von TF
 Gesendet: Samstag, 16. Mai 2009 18:48
 An: Histonet@lists.utsouthwestern.edu
 Betreff: [Histonet] Chemicals that inactivate the primary antibody
 Hi all, just wonder what kind of treatments/chemicals can complete block
 the binding of 2nd antibody to binded primary antibody on antigen?
 I tried HCl , but does not damage all the primaryantibody binding sites -
 i can still see staining pattern finally.
 2009-05-17
 TF
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 Histonet@lists.utsouthwestern.edu
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Merced M Leiker
Cardiovascular Medicine
348 Biomedical Research Building
State University of New York at Buffalo
3435 Main St, Buffalo, NY  14214
lei...@buffalo.edu
716-829-6118

No trees were harmed in the sending of this email.
However, many electrons were severely inconvenienced.


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[Histonet] control tissue

2009-05-18 Thread Lindsey Garrison
We have a plentiful amount (hundreds) of malignat melanoma blocks that we are 
willing to trade some for any ER/PR + tissue, colon cancer, or any other 
uselful IHC control tissue.  Any takers?


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FW: Re: [Histonet] Chemicals that inactivate the primary antibody

2009-05-18 Thread Morken, Tim


TF, 

Two things you can do;

If you are using a chromogenic system (not fluorescence) you can use DAB as the 
first chromogen. The DAB polymerized product will cover the first primary and 
prevent cross-reaction.

Or, if using IF you can use unlabled Fab fragments to coat the first primary. 
For instance, use donkey anti-mouse to coat the first primary (if it is a mouse 
antibody). See Jackson Immuno Research for the antibody fragments.

See this link for full information:  
http://www.jacksonimmuno.com/technical/fab-blok.asp

Tim Morken
Supervisor, Histology / IPOX
UCSF Medical Center
San Francisco, CA  
 

-Original Message-
From: histonet-boun...@lists.utsouthwestern.edu 
[mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of TF
Sent: Saturday, May 16, 2009 10:38 AM
To: Rene J Buesa; Histonet@lists.utsouthwestern.edu
Subject: Re: Re: [Histonet] Chemicals that inactivate the primary antibody

Hi, but I dont want to destory everything
I am trying to see if I can prevent the binding of another 2nd antibody to the 
primary antibody for the first antigen!
There fore you can perform double staining from same sepecies-derived primary 
antibodies!


2009-05-17 



TF 



发件人: Rene J Buesa 
发送时间: 2009-05-17  00:54:26 
收件人: Histonet@lists.utsouthwestern.edu; tifei 
抄送: 
主题: Re: [Histonet] Chemicals that inactivate the primary antibody 
 
Try bleach and you will destroy everything!
René J.

--- On Sat, 5/16/09, TF ti...@foxmail.com wrote:


From: TF ti...@foxmail.com
Subject: [Histonet] Chemicals that inactivate the primary antibody
To: Histonet@lists.utsouthwestern.edu Histonet@lists.utsouthwestern.edu
Date: Saturday, May 16, 2009, 12:48 PM


Hi all, just wonder what kind of treatments/chemicals can complete block the 
binding of 2nd antibody to binded primary antibody on antigen?
I tried HCl , but does not damage all the primaryantibody binding sites - i can 
still see staining pattern finally.

2009-05-17 



TF 
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Re: Re: AW: [Histonet] Chemicals that inactivate the primary antibody

2009-05-18 Thread Dr. Frauke Neff

Hi TF,
we do IF with two 1.ABs out of mice using a sequential protocol from  
abcam: www.abcam.com/technical
We perform a second blocking step with serum (higher conc. than the  
first one) after the first Fluorescence was added, do not perform  
another retrieval procedure (my ABs need the same) and perform the  
following incubation steps in the dark (we switch the light off and  
cover the slides after adding the ABs) to prevent fading.


Until now, I was sure, this procedure works but maybe the two antigens  
don't colocalize but it is just a staining artifact ;-)


Hope this helps,

Frauke


Zitat von TF ti...@foxmail.com:

Thanks all, Merced M Leiker is right: the double IHC procedure using  
 two primary antibodies from same species.


Some expert just sent me their procedure of Heat-interval  based   
inactivation of the primary antibody for first antigen.

I am just seeking for a chemical way at room temperature.


2009-05-18



TF



发件人: Rene J Buesa
发送时间: 2009-05-18  22:31:30
收件人: tifei; gu.lang; Merced M Leiker
抄送: histonet
主题: Re: AW: [Histonet] Chemicals that inactivate the primary antibody

I am completely confused.
IF you have an epitope in the tissue and you react with it an   
specific antibody that is it. The epitope will have reacted and I   
do not see any way in which you can add another antibody to that   
initial epitope. From the reactive point of view, the epitope is   
blocked to react with another, unless the reaction is not totally   
specific and there is room for another.

I just cannot imagine a way of doing this.
René J.

--- On Mon, 5/18/09, Merced M Leiker lei...@buffalo.edu wrote:


From: Merced M Leiker lei...@buffalo.edu
Subject: Re: AW: [Histonet] Chemicals that inactivate the primary antibody
To: ti...@foxmail.com, gu.l...@gmx.at
Cc: histonet@lists.utsouthwestern.edu
Date: Monday, May 18, 2009, 9:42 AM


Hi TF and all interested,

I think I know what you want, but unfortunately I don't know how to answer
your question (it is something I'd like answered myself!!)  To re-word for
the sake of all interested:

You want to perform double-immunofluorescent staining using 2 primaries
that were raised in the same species.

An additional question for clarification is: Do you want to do this on
paraffin or frozen sections?

Maybe someone can help figure it out...

Merced


--On Sunday, May 17, 2009 2:16 AM +0800 TF ti...@foxmail.com wrote:


But the heat also damage the fluorescnece...
u need specific amplication kit anyway.


2009-05-17



TF



发件人: Gudrun Lang
发送时间: 2009-05-17  02:00:18
收件人: ti...@foxmail.com
抄送: histonet@lists.utsouthwestern.edu
主题: AW: [Histonet] Chemicals that inactivate the primary antibody

For doublestaining the primary undergoes denaturation through a second
HIER-step. The second secondary ab doesn't bind to the first primary.
Therefore the binding sites must have been destroyed by heat in
retrieval-buffer.
Gudrun
-Urspr黱gliche Nachricht-
Von: histonet-boun...@lists.utsouthwestern.edu
[mailto:histonet-boun...@lists.utsouthwestern.edu] Im Auftrag von TF
Gesendet: Samstag, 16. Mai 2009 18:48
An: Histonet@lists.utsouthwestern.edu
Betreff: [Histonet] Chemicals that inactivate the primary antibody
Hi all, just wonder what kind of treatments/chemicals can complete block
the binding of 2nd antibody to binded primary antibody on antigen?
I tried HCl , but does not damage all the primaryantibody binding sites -
i can still see staining pattern finally.
2009-05-17
TF
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Merced M Leiker
Cardiovascular Medicine
348 Biomedical Research Building
State University of New York at Buffalo
3435 Main St, Buffalo, NY  14214
lei...@buffalo.edu
716-829-6118

No trees were harmed in the sending of this email.
However, many electrons were severely inconvenienced.


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[Histonet] coverslipping helper

2009-05-18 Thread Andrea Grantham

Good Monday morning!

This may sound crazy...or not. I have to admit that I have never heard  
of this device before and I was wondering if any of you out in  
histoland could tell me what this is and where one might go to get it,  
if it were available for sale.


Here goes:
A student who was having a difficult time learning how to coverslip  
slides in my lab told me that she used to work for a doctor who  
invented a device to help coverslip. It was like a magnet and just  
eliminated all bubbles from under the coverslip.


Anybody know?

Andi




Andrea Grantham, HT (ASCP)
Senior Research Specialist
University of Arizona
Cell Biology and Anatomy
Histology Service Laboratory
P.O.Box 245044
Tucson, AZ 85724

algra...@email.arizona.edu
Tel: 520.626.4415 Fax: 520.626.2097

happy slicing and dicing and may all your stains work perfectly -  
Paula Sicurello





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[Histonet] Steel Microtome Blades

2009-05-18 Thread Wallen, Jeannette B
Does anyone still use the steel microtome blades that need to be sharpened? We 
have found some of these blades in our laboratory and will dispose of them, if 
no one has any use for them.

Jeannette B. Wallen, HT (ASCP)
Histology Specialist/Histology Team Lead
Hennepin County Medical Center
Anatomic Pathology/Histology Lab
701 Park Avenue, Mail Code: PL
Minneapolis, MN 55415
(612) 873-9108 Office, PL.731
(612) 510-5677 Pager
(612) 873-3079 General Histology
(612) 904-4629 Fax
Email Address: jeannette.wal...@hcmed.orgmailto:jeannette.wal...@hcmed.org
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[Histonet] coverslipping helper

2009-05-18 Thread Rene J Buesa
Never heard of that, but perhaps she is referring to placing some small weight 
over the coverslipped section to help eliminate the bubbles by the weight, 
other than that, that is totally new for me.
René J.

--- On Mon, 5/18/09, Andrea Grantham algra...@email.arizona.edu wrote:


From: Andrea Grantham algra...@email.arizona.edu
Subject: [Histonet] coverslipping helper
To: HISTONET histonet@lists.utsouthwestern.edu
Date: Monday, May 18, 2009, 12:13 PM


Good Monday morning!

This may sound crazy...or not. I have to admit that I have never heard of this 
device before and I was wondering if any of you out in histoland could tell me 
what this is and where one might go to get it, if it were available for sale.

Here goes:
A student who was having a difficult time learning how to coverslip slides in 
my lab told me that she used to work for a doctor who invented a device to help 
coverslip. It was like a magnet and just eliminated all bubbles from under 
the coverslip.

Anybody know?

Andi




Andrea Grantham, HT (ASCP)
Senior Research Specialist
University of Arizona
Cell Biology and Anatomy
Histology Service Laboratory
P.O.Box 245044
Tucson, AZ 85724

algra...@email.arizona.edu
Tel: 520.626.4415     Fax: 520.626.2097

happy slicing and dicing and may all your stains work perfectly - Paula 
Sicurello




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[Histonet] Alpha-naphthyl-butyrate

2009-05-18 Thread Stella Mireles
Looking for the order number for Alpha-naphthyl-butyrate.
I will be using it for the NSE procedure.  I spoke with the Fisher 800
number and they were unable
to help me.
We use Fisher or Sigma products.

Thanks
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Re: [Histonet] Steel Microtome Blades

2009-05-18 Thread Esther Peters
I also have a number of these blades and an old knife sharpener, which I 
would like to get to a good home.


Esther Peters
George Mason University

Wallen, Jeannette B wrote:

Does anyone still use the steel microtome blades that need to be sharpened? We 
have found some of these blades in our laboratory and will dispose of them, if 
no one has any use for them.

Jeannette B. Wallen, HT (ASCP)
Histology Specialist/Histology Team Lead
Hennepin County Medical Center
Anatomic Pathology/Histology Lab
701 Park Avenue, Mail Code: PL
Minneapolis, MN 55415
(612) 873-9108 Office, PL.731
(612) 510-5677 Pager
(612) 873-3079 General Histology
(612) 904-4629 Fax
Email Address: jeannette.wal...@hcmed.orgmailto:jeannette.wal...@hcmed.org
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RE: [Histonet] Thermo-Fisher Products

2009-05-18 Thread WILLIAM DESALVO

I have been a user of the Sakura Xpress 120 (2 units) for 5+ years and find 
them to be very reliable w/ excellent performance and they fit into the 
continuous workflow process exceptionally well.

 

William DeSalvo B.S. HTL (ASCP)
Production Manager, Sonora Quest Laboratories

Chair Person, NSH Quality Control Committee

wdesalvo@hotmail.com

 
 Date: Mon, 18 May 2009 10:41:07 -0400
 From: cb...@lexclin.com
 To: lmurp...@aultman.com; histonet@lists.utsouthwestern.edu
 Subject: RE: [Histonet] Thermo-Fisher Products
 CC: 
 
 We have an Excelsior that is about 5 years old. We have had a lot of
 issues and have had service too many times in the past year to count.
 We are looking at replacing it. Perhaps we got a lemon, but I don't
 think I could recommend it based on our experience. Are there any other
 processors anyone would like to recommend? Also, how about microwave
 processors and IHC? 
 Thanks,
 Carol 
 
 -Original Message-
 From: histonet-boun...@lists.utsouthwestern.edu
 [mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Leann M.
 Murphy
 Sent: Monday, May 11, 2009 10:33 AM
 To: histonet@lists.utsouthwestern.edu
 Subject: [Histonet] Thermo-Fisher Products
 
 I was just wondering what everyone's thoughts were on thermo products.
 I have been demo-ing an Exlcelsior Processor and was wondering if
 anyone had any problems.
 
 Let me know.
 
 
 
 LeAnn Murphy
 
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RE: [Histonet] QA Manual Question

2009-05-18 Thread WILLIAM DESALVO

What are you trying to track and what do you want to accomplish? Are you going 
to track and record defects/errors produced in your process, performance of the 
individuals, quality of the processes or all? This is a big project that will 
require setting up controls to monitor performance and it would be helpful to 
know what you now have in place.   
 
 Date: Fri, 15 May 2009 13:04:41 -0700
 From: arvidsonkris...@yahoo.com
 To: histonet@lists.utsouthwestern.edu
 Subject: [Histonet] QA Manual Question
 
 Hi All...Again.  I guess I have a lot of questions lately.  I have asked this 
 before but I would like to ask it again.  What are people doing for QA/QC?  I 
 have been asked by management to write a QA manual.  I have some ideas but 
 not really sure where to start.  Thanks in advance for any input.
 
 
 
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Re: [Histonet] Alpha-naphthyl-butyrate

2009-05-18 Thread Lynette Pavelich
Check out the Sigma-Aldrich website at:  www.sigmaaldrich.com
91A is part of a kit  90A1 is the select reagent packaged in gelatin
capsules.

Lynette

Lynette Pavelich, HT(ASCP)
Histology Supervisor
Hurley Medical Center
One Hurley Plaza
Flint, MI  48503

ph:  810-257-9948
fax:  810-762-7082
 Stella Mireles estellamire...@gmail.com 05/18/09 1:16 PM 
Looking for the order number for Alpha-naphthyl-butyrate.
I will be using it for the NSE procedure.  I spoke with the Fisher 800
number and they were unable
to help me.
We use Fisher or Sigma products.

Thanks
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AW: Re: AW: [Histonet] Chemicals that inactivate the primaryantibody

2009-05-18 Thread Gudrun Lang
Hi Frauke,
I've read the abcam protocol. They don't indicate what species the ab's are
from. Or I've overlooked it.
What is the reason, why the second secondary ab doesn't bind to the first
primary ab? 

Gudrun

-Ursprüngliche Nachricht-
Von: Dr. Frauke Neff [mailto:ne...@staff.uni-marburg.de] 
Gesendet: Montag, 18. Mai 2009 18:17
An: ti...@foxmail.com
Cc: Rene J Buesa; gu.lang; Merced MLeiker; histonet
Betreff: Re: Re: AW: [Histonet] Chemicals that inactivate the
primaryantibody

Hi TF,
we do IF with two 1.ABs out of mice using a sequential protocol from  
abcam: www.abcam.com/technical
We perform a second blocking step with serum (higher conc. than the  
first one) after the first Fluorescence was added, do not perform  
another retrieval procedure (my ABs need the same) and perform the  
following incubation steps in the dark (we switch the light off and  
cover the slides after adding the ABs) to prevent fading.

Until now, I was sure, this procedure works but maybe the two antigens  
don't colocalize but it is just a staining artifact ;-)

Hope this helps,

Frauke


Zitat von TF ti...@foxmail.com:

 Thanks all, Merced M Leiker is right: the double IHC procedure using  
  two primary antibodies from same species.

 Some expert just sent me their procedure of Heat-interval  based   
 inactivation of the primary antibody for first antigen.
 I am just seeking for a chemical way at room temperature.


 2009-05-18



 TF



 发件人: Rene J Buesa
 发送时间: 2009-05-18  22:31:30
 收件人: tifei; gu.lang; Merced M Leiker
 抄送: histonet
 主题: Re: AW: [Histonet] Chemicals that inactivate the primary antibody

 I am completely confused.
 IF you have an epitope in the tissue and you react with it an   
 specific antibody that is it. The epitope will have reacted and I   
 do not see any way in which you can add another antibody to that   
 initial epitope. From the reactive point of view, the epitope is   
 blocked to react with another, unless the reaction is not totally   
 specific and there is room for another.
 I just cannot imagine a way of doing this.
 René J.

 --- On Mon, 5/18/09, Merced M Leiker lei...@buffalo.edu wrote:


 From: Merced M Leiker lei...@buffalo.edu
 Subject: Re: AW: [Histonet] Chemicals that inactivate the primary antibody
 To: ti...@foxmail.com, gu.l...@gmx.at
 Cc: histonet@lists.utsouthwestern.edu
 Date: Monday, May 18, 2009, 9:42 AM


 Hi TF and all interested,

 I think I know what you want, but unfortunately I don't know how to answer
 your question (it is something I'd like answered myself!!)  To re-word for
 the sake of all interested:

 You want to perform double-immunofluorescent staining using 2 primaries
 that were raised in the same species.

 An additional question for clarification is: Do you want to do this on
 paraffin or frozen sections?

 Maybe someone can help figure it out...

 Merced


 --On Sunday, May 17, 2009 2:16 AM +0800 TF ti...@foxmail.com wrote:

 But the heat also damage the fluorescnece...
 u need specific amplication kit anyway.


 2009-05-17



 TF



 发件人: Gudrun Lang
 发送时间: 2009-05-17  02:00:18
 收件人: ti...@foxmail.com
 抄送: histonet@lists.utsouthwestern.edu
 主题: AW: [Histonet] Chemicals that inactivate the primary antibody

 For doublestaining the primary undergoes denaturation through a second
 HIER-step. The second secondary ab doesn't bind to the first primary.
 Therefore the binding sites must have been destroyed by heat in
 retrieval-buffer.
 Gudrun
 -Urspr�ngliche Nachricht-
 Von: histonet-boun...@lists.utsouthwestern.edu
 [mailto:histonet-boun...@lists.utsouthwestern.edu] Im Auftrag von TF
 Gesendet: Samstag, 16. Mai 2009 18:48
 An: Histonet@lists.utsouthwestern.edu
 Betreff: [Histonet] Chemicals that inactivate the primary antibody
 Hi all, just wonder what kind of treatments/chemicals can complete block
 the binding of 2nd antibody to binded primary antibody on antigen?
 I tried HCl , but does not damage all the primaryantibody binding sites -
 i can still see staining pattern finally.
 2009-05-17
 TF
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 Merced M Leiker
 Cardiovascular Medicine
 348 Biomedical Research Building
 State University of New York at Buffalo
 3435 Main St, Buffalo, NY  14214
 lei...@buffalo.edu
 716-829-6118

 No trees were harmed in the sending of this email.
 However, many electrons were severely inconvenienced.


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RE: [Histonet] coverslipping helper

2009-05-18 Thread McCormick, James
Rene,
I think you're correct. In many of the old/antique supply catalogues there are 
listings for several types of spring coverslip clamping forceps that were 
used to compress the coverslip while drying the mountant, and to distribute 
Canada balsam evenly beneath the cover. When I used to make whole mounts of 
embryos etc and mount them in heavy balsam I used to place lead shot filled 
ampoules on the coverslips as a leveling weight while they dried.
Regards,
Jim,
J.B.McCormick, M.D.

-Original Message-
From: histonet-boun...@lists.utsouthwestern.edu 
[mailto:histonet-boun...@lists.utsouthwestern.edu] On Behalf Of Rene J Buesa
Sent: Monday, May 18, 2009 12:06 PM
To: HISTONET; Andrea Grantham
Subject: [Histonet] coverslipping helper

Never heard of that, but perhaps she is referring to placing some small weight 
over the coverslipped section to help eliminate the bubbles by the weight, 
other than that, that is totally new for me.
René J.

--- On Mon, 5/18/09, Andrea Grantham algra...@email.arizona.edu wrote:


From: Andrea Grantham algra...@email.arizona.edu
Subject: [Histonet] coverslipping helper
To: HISTONET histonet@lists.utsouthwestern.edu
Date: Monday, May 18, 2009, 12:13 PM


Good Monday morning!

This may sound crazy...or not. I have to admit that I have never heard of this 
device before and I was wondering if any of you out in histoland could tell me 
what this is and where one might go to get it, if it were available for sale.

Here goes:
A student who was having a difficult time learning how to coverslip slides in 
my lab told me that she used to work for a doctor who invented a device to help 
coverslip. It was like a magnet and just eliminated all bubbles from under 
the coverslip.

Anybody know?

Andi




Andrea Grantham, HT (ASCP)
Senior Research Specialist
University of Arizona
Cell Biology and Anatomy
Histology Service Laboratory
P.O.Box 245044
Tucson, AZ 85724

algra...@email.arizona.edu
Tel: 520.626.4415 Fax: 520.626.2097

happy slicing and dicing and may all your stains work perfectly - Paula 
Sicurello




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Re: AW: Re: AW: [Histonet] Chemicals that inactivate the primaryantibody

2009-05-18 Thread TF
I tested the sequential IHC protocol...though a bit different.

I am using two mouse monoclonal antibody, and Goat-anti Mouse Alexa 488 , 568, 
respectively.
The 2nd secondary Ab will bind to the 1st primary antibody, for sure, with 
almost 80% background (you can visualize very dark cell morphology in the 
other channel), and around 10-50% clear co-labeling of two different cell 
markers. Without any treatment between the 1st and 2nd IHC, I set up this as a 
control.
Maybe, the blocking step Frauke mentioned can greatly reduces co-labeling?


2009-05-19 



TF 



发件人: Gudrun Lang 
发送时间: 2009-05-19  02:50:42 
收件人: 'Dr. Frauke Neff' 
抄送: histonet 
主题: AW: Re: AW: [Histonet] Chemicals that inactivate the primaryantibody 
 
Hi Frauke,
I've read the abcam protocol. They don't indicate what species the ab's are
from. Or I've overlooked it.
What is the reason, why the second secondary ab doesn't bind to the first
primary ab? 
Gudrun
-Ursprüngliche Nachricht-
Von: Dr. Frauke Neff [mailto:ne...@staff.uni-marburg.de] 
Gesendet: Montag, 18. Mai 2009 18:17
An: ti...@foxmail.com
Cc: Rene J Buesa; gu.lang; Merced MLeiker; histonet
Betreff: Re: Re: AW: [Histonet] Chemicals that inactivate the
primaryantibody
Hi TF,
we do IF with two 1.ABs out of mice using a sequential protocol from  
abcam: www.abcam.com/technical
We perform a second blocking step with serum (higher conc. than the  
first one) after the first Fluorescence was added, do not perform  
another retrieval procedure (my ABs need the same) and perform the  
following incubation steps in the dark (we switch the light off and  
cover the slides after adding the ABs) to prevent fading.
Until now, I was sure, this procedure works but maybe the two antigens  
don't colocalize but it is just a staining artifact ;-)
Hope this helps,
Frauke
Zitat von TF ti...@foxmail.com:
 Thanks all, Merced M Leiker is right: the double IHC procedure using  
  two primary antibodies from same species.

 Some expert just sent me their procedure of Heat-interval  based   
 inactivation of the primary antibody for first antigen.
 I am just seeking for a chemical way at room temperature.


 2009-05-18



 TF



 发件人: Rene J Buesa
 发送时间: 2009-05-18  22:31:30
 收件人: tifei; gu.lang; Merced M Leiker
 抄送: histonet
 主题: Re: AW: [Histonet] Chemicals that inactivate the primary antibody

 I am completely confused.
 IF you have an epitope in the tissue and you react with it an   
 specific antibody that is it. The epitope will have reacted and I   
 do not see any way in which you can add another antibody to that   
 initial epitope. From the reactive point of view, the epitope is   
 blocked to react with another, unless the reaction is not totally   
 specific and there is room for another.
 I just cannot imagine a way of doing this.
 René J.

 --- On Mon, 5/18/09, Merced M Leiker lei...@buffalo.edu wrote:


 From: Merced M Leiker lei...@buffalo.edu
 Subject: Re: AW: [Histonet] Chemicals that inactivate the primary antibody
 To: ti...@foxmail.com, gu.l...@gmx.at
 Cc: histonet@lists.utsouthwestern.edu
 Date: Monday, May 18, 2009, 9:42 AM


 Hi TF and all interested,

 I think I know what you want, but unfortunately I don't know how to answer
 your question (it is something I'd like answered myself!!)  To re-word for
 the sake of all interested:

 You want to perform double-immunofluorescent staining using 2 primaries
 that were raised in the same species.

 An additional question for clarification is: Do you want to do this on
 paraffin or frozen sections?

 Maybe someone can help figure it out...

 Merced


 --On Sunday, May 17, 2009 2:16 AM +0800 TF ti...@foxmail.com wrote:

 But the heat also damage the fluorescnece...
 u need specific amplication kit anyway.


 2009-05-17



 TF



 发件人: Gudrun Lang
 发送时间: 2009-05-17  02:00:18
 收件人: ti...@foxmail.com
 抄送: histonet@lists.utsouthwestern.edu
 主题: AW: [Histonet] Chemicals that inactivate the primary antibody

 For doublestaining the primary undergoes denaturation through a second
 HIER-step. The second secondary ab doesn't bind to the first primary.
 Therefore the binding sites must have been destroyed by heat in
 retrieval-buffer.
 Gudrun
 -Urspr�ngliche Nachricht-
 Von: histonet-boun...@lists.utsouthwestern.edu
 [mailto:histonet-boun...@lists.utsouthwestern.edu] Im Auftrag von TF
 Gesendet: Samstag, 16. Mai 2009 18:48
 An: Histonet@lists.utsouthwestern.edu
 Betreff: [Histonet] Chemicals that inactivate the primary antibody
 Hi all, just wonder what kind of treatments/chemicals can complete block
 the binding of 2nd antibody to binded primary antibody on antigen?
 I tried HCl , but does not damage all the primaryantibody binding sites -
 i can still see staining pattern finally.
 2009-05-17
 TF
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 Cardiovascular Medicine
 348 Biomedical Research 

[Histonet] looking for Larry Mahler

2009-05-18 Thread Leroy Brown
Hi,  Does anyone know how to contact  Larry Mahler.  Is or was with Scientific 
Instrument Service in  TN.I am looking for some help with a IL MVP I tissue 
 processor.   I would like to also find anyone who might know about  where to 
find parts for this older machine. 

LeRoy Brown HT(ASCP) HTL  

Everson, WA 98247  

360-966-7300  

www.histocs.com
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RE: [Histonet] Slide quality

2009-05-18 Thread Ingles Claire
I think your techs have misplaced a digit. It should only be about 5-10% 
ammonium chloride. (plenty strong enough for ME thank you.) And no, we don't 
have IHC problems later.
Claire



From: histonet-boun...@lists.utsouthwestern.edu on behalf of Saundra Johnson
Sent: Fri 5/8/2009 12:53 PM
To: histonet@lists.utsouthwestern.edu
Subject: [Histonet] Slide quality



Hi Bernice,
   I noticed a post in the histonet archives about using ammonia water to soak. 
 Could I ask your opinion about how ammonia water could effect the IHC 
staining?  I have come to work here and the two techs here soak in 50% ammonia 
water.  That seems way to strong to me.  What do you think?

Saundra Johnson, HT(ASCP)QIHC
Histology Supervisor
NeoGenomics Laboratories
When Time Matters...And Results Count
12701 Commonwealth Drive, Suite 9
Fort Myers, FL 33913
Phone: (239) 768-0600 Ext. 2229
Fax: (239) 768-0711



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[Histonet] Re: heartworm processing protocol

2009-05-18 Thread Atoska Gentry
hello, will someone with a tried  proven protocol for processing  
heartworms for paraffin sectioning please share your protocol with me 
ASAP? My histonet archive search was unsuccessful. Thanks! Atoska


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[Histonet] Fixation of Formalin vs Bouin's for IHC

2009-05-18 Thread Margaryan, Naira
Hi histonetters,


Please help. What is difference in procedure for IHC between 10%Formalin fixed 
tissue and in Bouin's fixed tissue? I used to use 10%FFPE tissue with Citrate 
buffer Antigen Retrieval for my IHC. Do I have to change my protocol for the 
Bouin's fixed tissue?

Hope for you soon response and thanks in advance,
Naira

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[Histonet] Special Stainers

2009-05-18 Thread Mike Pence
I am wanting to explore all my options. I am having some real issues
with our automated special stainer and I am considering going to a new
system.  Can anyone tell me what systems are out on the market that
preforms hands-free special stains. All options are open. Vendors
welcome to reply.
 
Mike Pence
AP Supervisor
Great River Medical Center
 
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[Histonet] AFB Fites of cytospins

2009-05-18 Thread Carrie Disbrow
Hello Histonet.
Has anyone had experience and good results doing AFB Fites on cytospin slides 
from BAL's?
Do you use the peanut oil/xylene (PO/Z) solution or just 100% peanut oil? Or 
does the cytospin slide need any peanut oil?
After the deparaffinization step, if it can be called that, we are going to 
stain using a Dako Artisan special stainer. One problem I foresee is that the 
control will be de-arffinized in the traditional PO/Z while the patient slide 
may not.
Also, I was told that Cytolyte contains alcohol and asked that the slides not 
be prepared using Cytolyte.
Thanks for your comments. Please respond back to the histonet if possible and 
not my email address. 
Carrie
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