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Protocols: immunofluorescence, cryostat sections, sample preparation ...

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Buffers: permeabilization solution, PBS, tissue fixation ...

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Buffers, Solutions and Reagents

Here is a list of some commonly used solutions for immunofluoresence and immunohistochemistry.


1. PBS

a. 8 g NaCl
b. 0.2 g KCl
c. 1.44 g Na2HPO4
d. 0.24 g KH2PO4
e. Add 1 L distilled water
f. pH to 7.4

2. Paraformaldehyde - 4%

a. 8 g paraformaldehyde powder
b. 200 ml PBS (enough for 1 rack of microscope slides)
c. Stir solution and heat to 60 – 65 C (not higher!)
d. Adjust pH to 7.2
e. The solution will become clear once the paraformaldehyde has dissolved
f. Allow to cool. Use within a few days.

3. Permeabilization and blocking solution

a. Take a 15 mL tube and add 0.2 g BSA
b. Add 50 microlitres Triton X-100
c. Add 10 mL PBS.
d. Vortex until dissolved.
Use approximately 100 microlitres per tissue section

4. Mounting Medium

a. To a 50ml tube, add 6 g glycerol and 2.4 g mowiol.
b. Add 6ml distilled water, mix and leave for 2 hours RT (room temperature).
c. Add 12ml 0.2M Tris buffer solution (pH 8.5) and incubate at 50-55 C.
d. Stir occasionally to allow mowiol to dissolve.
e. Centrifuge – @ 5000 RPM for 20 min.
f. Aliquot and store at -20 C.
g. At RT, the solution is stable for 1 month.

 
       
 
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