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Paraffin

paraffin

(Science: chemical) A mixture of solid hydrocarbons obtained from petroleum. It has a wide range of uses including as a stiffening agent in ointments, as a lubricant, and as a topical anti-inflammatory. It is also commonly used as an embedding material in histology.

Pharmacological action: anti-inflammatory agent, topical, pharmaceutic aid, sclerosing solutions.

Chemical name: paraffin waxes and Hydrocarbon waxes


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Antigen retrieval problem

Hi, eveyone, I tried to do CD34 membrane antigen retrieval from paraffin embedded tissue section with microwave and enzyme methods, but just found these methods are not working. The protocols I used are as follows. http://www.e-biotek.com/immunology/241-immunohistochemistry-retrievals.html ...

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by biolearner
Mon Dec 15, 2008 5:49 am
 
Forum: General Discussion
Topic: Antigen retrieval problem
Replies: 0
Views: 367

Antibodies to ID mouse neutrophils and monocytes

... NIMP-R14 The monoclonal antibody NIMP-R14 has been succesfully used to stain neutrophils for fluorescent activated cell sorting and in frozen and paraffin sections. - Sa14-2 Sa14-2 is a monoclonal antibody that reacts with the mouse monocyte marker CD14.

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by DoctorStein
Sat Jul 12, 2008 7:35 am
 
Forum: Cell Biology
Topic: Antibodies to ID mouse neutrophils and monocytes
Replies: 7
Views: 1141

NEED IMMIDIATE HELP WITH RNA EXTRACTION!!

Ive been working in a PATH lab for 2 months now. I have been given the assignment of extracting RNA from Formalin fixed Paraffin tissue. So far I have used the RNAeasy Kit for RNA extraction from FFPE and i have also tried a TRIZOL method. NOTHING IS WORKING!!!! I get 0 bands after ...

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by molecular newbie
Thu Jul 19, 2007 7:00 pm
 
Forum: Molecular Biology
Topic: NEED IMMIDIATE HELP WITH RNA EXTRACTION!!
Replies: 2
Views: 684

Re: RNA extraction from FFPE

Have you tried Formapure from Agencourt Biosciences? This kit is designed for RNA extraction from paraffin embedded tissue for real time PCR or microarray use. Has anyone else tried extracting RNA from Formilin fixed parafin tissue? and do you know of an optimal protocol ...

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by Jim T
Thu Jun 28, 2007 11:37 am
 
Forum: Molecular Biology
Topic: RNA extraction from FFPE
Replies: 1
Views: 524

Immunohistochemistry HELP--paraffin vs frozen sections

... both of which are supposed to be quite abundant on the surface of regular T cells in the lymph node (this is a control). First, I tried to stain paraffin sections using a protocol given to me by another lab member who's done some staining before (the protocol is not very specific). I stained ...

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by wetheril
Fri Mar 30, 2007 8:48 pm
 
Forum: Molecular Biology
Topic: Immunohistochemistry HELP--paraffin vs frozen sections
Replies: 0
Views: 517
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