Products:Immunology >> Immunoglobulins >> Heavy Chain >> IgG
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Finalmente como abes he comprado ab8940 anti-human serum albumin |
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ANSWER: |
Gracias por tu respuesta. |
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Muchas gracias por tus comentarios. |
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ANSWER: |
Gracias por tu respuesta. |
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I have received ab6743 from you and have been using it as the secondary ab against a sheep anti-histone ab (Biogenesis catalog #4974-8060). I am testing N18 cells (an adherent mouse neuroblastoma cell line) to determine if histones are ever expressed on the cell surface. (Likely an artifact but the point of doing this is to confirm that it's not true). For my first attempt I used the Cytofix/Cytoperm kit by Pharmingen to permeabalize the cells. A fraction of a percent of the cells lit up. I have done this experiment2 more times using 0.4% Triton x-100 (after paraformaldehdye fixation) to permeabalize cells. None of the cells have lit up. What do you recommend for permeabilization of adherrent cells? Also, have you confirmed your ab works in this type of experiment? or with the Biogenesis ab?
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ANSWER: |
We have no experience using this secondary antibody in this technique, so I am afraid that I cannot offer any specific advice. However, this Rabbit polyclonal to sheep IgG will certainly work in conjunction with a sheep primary. |
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I have received your antibodies, ab6743 and ab7834, and would like to know if they are stable in buffers containing 0.4% Triton X-100. I need to permeabilize cells and the protocol I intend to use calls for fixation with 4% paraformaldehyde in PBS followed by permeabilization with PBS containing 0.4% Triton X-100, 1% BSA and 4% normal serum. Will your antibodies be ok in this buffer? Thanks, Ron Knight |
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ANSWER: |
Antibodies are usually stable in buffers containing triton-X. I've personally used antibodies in such buffers with no problems. Also, several automated IHC staining systems routinely use such surfactants in their buffer solutions. We have never actually tested ab6743 and 7834 in Triton-X containing buffers, but the odds are that they will be OK. Try a small amount for starters to make sure. |
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