Happy Thursday,
We would like to sell our slightly used but in excellent condition Dako
Coverslipper which was purchased in 2010 (purchase price was $ 25K). The
instrument can handle up to 600 slides per hour making it one of the fastest on
the market. In addition to the flexibility of the
Hello histonetters,
I have request from a scientist to perform X-gal staining on the formalin fixed
paraffin-embedded kidney.
I was wondering if there is any possibility to do this staining on FFPE tissue
as well as if there any possibility to perform a peroxidase DAB staining for
the X-gal?
qualifications and accomplishments. I am very
interested in meeting to discuss how I can best contribute to the work in
research laboratory.
Sincerely,
Naira Margaryan
Naira V. Margaryan, D.V.M., Ph.D.
Senior Research Scientist
West Virginia University
Robert C. Byrd Health Sciences Center
Department
I do the same way! Good luck!
Naira
From: Colleen Forster
Sent: Sunday, September 8, 2019 12:43 PM
To: John Garratt
Cc: Erin McCarthy ; histonet-request
Subject: Re: [Histonet] Tissue scrolling
We cut alot if these. This is the protocol:
1. The microtome,
Biocare Medical has pure ready to use secondary..
Naira
-Original Message-
From: Blanca Lopez
Sent: Wednesday, June 12, 2019 10:57 AM
To: histonet@lists.utsouthwestern.edu
Subject: [Histonet] IHC mouse optomization
Morning,
I need a good advice in optimizing Mouse antibodies for
Happy Thursday,
We would like to sell our slightly used but in excellent condition Dako
Coverslipper which was purchased in 2010 just for $10K (purchase price was $
25K). The instrument can handle up to 600 slides per hour making it one of the
fastest on the market. In addition to the
Happy Friday,
We would like to sell our slightly used but in excellent condition Dako
Coverslipper which was purchased in 2010 $10K (purchase price was $ 25K). The
instrument can handle up to 600 slides per hour making it one of the fastest on
the market. In addition to the flexibility of the
Happy Thursday,
We would like to sell our slightly used but in excellent condition Dako
Coverslipper which was purchased in 2010 $10K (purchase price was $ 25K). The
instrument can handle up to 600 slides per hour making it one of the fastest on
the market. In addition to the flexibility of
Hello,
I was asked to do IHC using the Polyclonal Rabbit Anti-Cytokeratin, Wide
Spectrum Screening, Polyclonal, Unconjugated, Ig fraction, (Z062201-2).
Ca anyone help me with AR to use and concentration to start.
Thanks in advance,
Naira
___
Happy Thursday,
We would like to sell our slightly used but in excellent condition Dako
Coverslipper which was purchased in 2010 $10K (purchase price was $ 25K). The
instrument can handle up to 600 slides per hour making it one of the fastest on
the market. In addition to the flexibility of
Dear histinetters:
We can offer our slightly used DAKO coverslipper CR10030 for purchase.
Let us know if you are interested.
Thanks,
Naira
Ranked nationally in all 10 pediatric specialties by U.S. News & World Report
(LCHOC Ver 1.0)
This message contains confidential information and is
Dear Friends,
Can any of you share with me a full detailed protocol (time and dilutions)
after deparaffinization for the PD-L1 22c3 for IHC (paraffin) to use on DAKO
(not Link 48) autostainer?
Good morning everyone,
I was wondering if anyone can give me an advise regarding the best Abs for the
PD-L1 and TGFb for FFPE human tissue (except DAKO Abs, please).
Thanks in advance,
Naira
Ranked nationally in all 10 pediatric specialties by U.S. News & World Report
(LCHOC Ver 1.0)
Dear histonetters:
I never done ICC.
A scientist brought me a slide with Cytospined cells on for IHC.
I am going to fix with 10%NBF (it is only what I have now) then wash with TBST.
May I skip AR step?
May I use my usual IHC protocol and reagents which I usually use for FFPE
tissue: blocks
Absolutely agreed!
Naira
-Original Message-
From: Frazier, John [mailto:john.fraz...@roche.com]
Sent: Tuesday, February 28, 2017 2:31 PM
To: Jay Lundgren <jaylundg...@gmail.com>
Cc: Margaryan, Naira <nmargar...@luriechildrens.org>; Gareth Davis
<garethdavisy...@gmail
WOULD LIKE TO KNOW AS WELL - IT IS WASTE OF MONEY
Thanks,
Naira
Ranked nationally in all 10 pediatric specialties by U.S. News & World Report
(LCHOC Ver 1.0)
This message contains confidential information and is intended only for the
individual named. If you are not the named
Dear Histonet Colleagues,
I hope you had very nice and warm holiday season .
We are interested in a routinely used protocol to decal (if needed), process
and paraffin embed the rat vomeronasal organ (VNO).
It would be greatly appreciated if anyone would be willing to share a protocol
for
Me too, love it!
Naira
Ranked nationally in all 10 pediatric specialties by U.S. News World Report
(LCHOC Ver 1.0)
This message contains confidential information and is intended only for the
individual named. If you are not the named addressee you should not
disseminate, distribute or
Hi Hestonetters,
I need to do IHC of SC4MOL on FFPE sections.
If any of you have been done this staining before, please send me your
procedure.
Thanks in advance,
Naira
Ranked nationally in all 10 pediatric specialties by U.S. News World Report
(LCHOC Ver 1.0)
This message contains
Hi Emily,
I don't mind if it is healthy tissue! It shows that even small cell or huge
artery =all from the mother nature, don’t you think?
Naira
Ranked nationally in all 10 pediatric specialties by U.S. News World Report
(LCHOC Ver 1.0)
This message contains confidential information
Hi histonetters,
Do you know how we can stain for hemoglobin in FFPE zebrafish tissue?
Thanks in advance,
Simone.
Ranked nationally in all 10 pediatric specialties by U.S. News World Report
(LCHOC Ver 1.0)
This message contains confidential information and is intended only for the
I have same problem for other Abs using in on mouse lung tissues... My
secondary and tertiary have no problems on other tissues for negative controls
as well
Naira
**
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the use of the named
Dear Histonetters,
I would like to perform IHC (DAB) after HE. Do I need to remove HE? If answer
is YES, my question HOW? Can I ask the protocol for that?
Thanks in advance,
Naira
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Dear Histonetters,
I am trying to do IHC on FFPE 4 weeks old zebrafish with different Abs. Is
there a trick working with zebrafish? I am using the same IHC protocol I always
use on human and mouse tissue and my Abs are suppose to work on fish as well
as human. I run human and fish sections
What companies HE reagents (catalog preferably) are the best for simple HE
staining?
Thanks in advance,
Naira
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Hi histonetters,
I am looking for the good markers to detect (separately) proliferation and
apoptosis of cells in tumor sections. Unfortunately, KI-67 stains apoptotic
bodies as well as proliferated cells; and the tunnel assay shows both apoptotic
body and proliferation.
Any suggestions for
My oldest was from 1965, I can't bit Rene:)
Naira
--
Message: 12
Date: Thu, 2 Feb 2012 13:14:53 -0800 (PST)
From: Rene J Buesa rjbu...@yahoo.com
Subject: Re: [Histonet] reagents without expiration dates
Ha.Ha,Ha!!!
I used to prepare staining solutions with
Hi,
Where I can stop my IHC, in what step?
I started deparaffinization, but I need to stop and run my IHC tomorrow. Can I
leave my slides in 95% Ethanol, or Water or I have to do HIER? Where to store
slides: in refrigerator or room.
Naira
___
Thanks to all who are kindly and quick answered on my question.
Naira
On Thu, Oct 13, 2011 at 4:20 PM, Margaryan, Naira
nmargar...@childrensmemorial.orgmailto:nmargar...@childrensmemorial.org
wrote:
Hi,
Where I can stop my IHC, in what step?
I started deparaffinization, but I need to stop
Hi Histonetters,
I have to do HE staining on cells that were growing up on coverslips. Can
anyone send me a good protocol to fix these cells on same coverslip and HE
staining, please?
Thanks in advance,
Naira
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Good morning,
I have heavily pigmented melanocytic cells and trying to differentiate between
melanin pigment and chromogen (DAB) by using Azure B.
After IHC with DAB I incubate slides for 30-45 min in the working solution of:
* 4ml of a 25mg/ml aqueous solution of Azure B
* 3.4ml of 0.1M
I am 15-18 years out from retirement also. Count me in as well
Naira
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I totally agree with Rene J.: there is anatomy and physiology becomes
pathological that is why need to call Pathological Anatomy and Pathological
Physiology
Foreign people learn what they hear usually that is why Americans have to watch
there language when speaking and use only correct words!
Hello,
I would like to repeat my DAB staining on the same slide with DAB I run before.
I know that acid alcohol will remove hematoxylin but how to remove DAB?
I appreciate to any suggestion.
Thanks in advance,
Naira
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Hi all,
I am about to perform PCR on archival FFPE tissue after LCM.
My LCM system is from Arcturus and my tissue is on membraned glass slides.
My questions are:
1. What Kit to use to get the highest yields and quality RNA?
2. Can anyone who has been doing it for the past 2-3 years suggest
Hi histonetters,
I need suggestion and help with the TGFβ RII (D-2): sc-17799 Ab, which should
show a cytoplasmic staining. My problem is that I am getting a beautiful
nuclear staining only. How I can fix this problem? What to pay attention on and
what to change in the usual protocol? My AR is
Hi Cynthia,
I agree with Greg, you have to re-do your staining from beginning (from AR
step) after removing the hematoxilin.
Naira
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Hi tistonetters,
I have to do IHC on 10µ sections. Is procedure for Antigen Retrieval same like
for 4-5µ (time and temperature)
Thanks in advance,
Naira
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What if we suggest to use ddH2O both for TBST preparation and in autostainers
(before and after IHC) because the PH level is vary in different states.
Naira
**
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the use of the named recipient(s) only
Hi histoworld,
I would like to repeat my staining on the slides already coverslipped but need
to remove hematoxilin first.
How to remove hematoxilin? Is it need to repeat Antigen retrieval?
Thanks in advance,
Naira
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Thanks a lot to all of you answered me. I was surprise nobody mentioned
coverslipper from DAKO. Are any of you have any experience with DAKO's
coverslipper?
Again Thanks to all,
Naira
Subject: coverslipper
Hi Colleges,
I need your opinion about coverslip by hand vs. using machine.
If you
-Original Message-
From: Liz Chlipala [mailto:l...@premierlab.com]
Sent: Thursday, March 18, 2010 3:05 PM
To: Margaryan, Naira; histonet@lists.utsouthwestern.edu
Subject: RE: [Histonet] Incubation of Ab more then 1 hour in autostainer
We have done up to an hour but not longer, if I were you
Hi Histonetters!
I have a stupid question but I Have to ask.
Does anyone perform an Incubation of Ab that required more then 1 hour (2-3
hours) in autostainer? Does autostainer keep slides wet or slides sometimes are
getting dry?
I know that slides should not be dry in any step of IHC.
Hi Histonetters,
Have you ever had the problem I am having now: light or totally negative
staining after service and cleaning the machine with bleach?
To explain it better:
I have immuno-autostainer from TermoFisher that was working well before I had
service from the company. After a
Dear Histonetters,
Hopefully you are enjoying a great Holidays with your friends and family!
I have been asked to perform . I got positive and negative absolutely identical
with beautiful nuclear DAPI and very red RBC. What to do or what to change in
my protocol to avoid RBC and background?
Dear Histonetters,
Hopefully you are enjoying a great Holidays with your friends and family!
I have been asked to perform . I got positive and negative absolutely identical
with beautiful nuclear DAPI and very red RBC. What to do or what to change in
my protocol to avoid RBC and background?
Hi friends,
My PI is asking for Notch 4 IHC on FFPE tissue. Can any of you suggest me a
good Ab (preferably mot mouse but anti-human Notch4) and protocol please!
Thanks in advance,
Naira
Naira V. Margaryan, D.V.M., Ph.D.
Research Scientist
Children's Memorial Research Center
2300
Dear histonetters,
I have to order AlkPhos kit to my IHC and, because I did not use it for the
past 5-6 years, I do not know what company will best to order from.
Any suggestions are appreciated,
Naira
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Hi Histonetters,
I would like to be able to look at human macrophages in human melanoma
xenografts raised in mouse. Could you please suggest me a best Ab for ICH and
protocol?
Thanks in advance,
Naira
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; Margaryan, Naira; histonet@lists.utsouthwestern.edu
Subject: RE: [Histonet] human macrophages in human melanoma xenografts
F4/80 is a mouse macrophage marker. If she wants to detect human
macrophages in a mouse background she will need to use a mouse
anti-human CD68. She will need to run
Hi Adam,
I always do the isotype control parallel with a no-primary control in parallel
with my real Ab.
May I suggest you to use Protein block serum free and pure Ab diluent without
adding 2% donkey serum?
Try this and let me know your results.
If histonetters think I am wrong, fill free
Dear Histometters:
I am getting black staining with my DAB instead of brown.
I use usual protocol with AR-pH6, H2O2, Avidin/Biotin, PB, 1º, biotinylated
2-dary, streptavidin then DAB.
Does any of use know this kind of problem? and What exactly can coast this
artifact?
Thanks in advance,
Naira
Hi histonetters,
Around a month ago, I asked a question and did not get any answer, but I really
would like to have any thoughts from you about the: Would the presence of acid
phosphatase in tissues cause non-specific background staining when doing
routine immunoperoxidase staining -- DAB? If
Dear Histonetters,
I quite need answer as soon as it possible, PLEASE!
I am working with mouse tissue and tumors. What type of paraffin is the best
for processing and embedding to cut 4µ nice sections?
Thanks in advance,
Naira
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Hi Everyone,
I do appreciate for all suggestions I get form most of you!
Have a nice week,
Naira
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Hi everyone,
How are you experiencing the economic pressures and price changes for REAGENTS?
I am sorry, but I just bought reagents from DAKO and, for the price I paid for
125 ml before, I got 15-50 ml :(
I am ready to switch to another company, but I need your suggestion about
reagents for
Dear Histonetters,
I am new in fixation and processing bones. I need your full protocol with
details how to fix and process mice bone to visualize the tumor metastases?
Thanks in advance,
Naira
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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
Hi Dears,
It is Friday, but not a weekend yet:-):-(
I just got a request from my PI to figure out:
1. How often now day's people use Trypsin (EDTA, Proteinase K or E)
as an Antigen Retrieval for FFPE.
2. Why or is the Citrate Buffer pH6 more usable???
3. Is Trypsin very
Hi histoneters,
Please help me to find an Ab to detect keratin 18 in mouse tissue, this
means that at has to be not mouse Ab.
Thanks in advance,
Naira
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Dear histoneters,
I am going to start the LCM work on chicks' embryos and now more
questions are coming up :-)
1.What kind of brand of blades will you suggest to use for
crysectioning (Catalog ## will be very good)?
2.After placing glass slides in LCM what kind of caps will you
Hi Roger,
I usually use Bluing reagent (Richard Allan Scientific, part of Fisher)
after Hematoxylin and tap water, then wash again before eosin. Try it
and you will see big difference. I just love it!
All the best,
Naira
--
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