Useful resources:
- Blocking with immunizing peptide protocol (BL)

- Buffers and stock solutions

- Fluorophore table

- Troubleshooting tips
Western blotting (WB) protocols:
- Western blotting (WB) a beginner's guide
- Stripping for reprobing
- Western blotting of phospho-proteins protocol & tips
- Nuclear fractionation protocol
- Histone extraction protocol

- Histone western blotting protocol
- Mitochondrial purification protocol
- Soluble (S100) mitochondrial fractionation protocol
- Determining if the antibody binds only phosphorylated proteins
- Having problems?
Download our detailed troubleshooting tips for WB
Immunohistochemistry (IHC) / Immunocytochemistry (ICC) protocols:
- IHC-Fr staining protocol

- IHC-P staining protocol

- ICC (IF) protocol

- Double immunofluorescence - sequential protocol

- Double immunofluorescence - simultaneous protocol

- Determining if antibody binds only phosphorylated protein

- Fixation and permeabilization for IHC and ICC

- GMA embedding for immunohistochemistry
- Mouse on mouse staining procedure

- Perfusion fixation protocol

- Troubleshooting tips

Chromatin Immunoprecipitation (ChIP) protocols:
Dot blot protocols:
ELISA protocols:
- Direct ELISA protocol using primary antibody

- Direct ELISA protocol using fluorescent substrate

- Indirect ELISA protocol using primary and secondary antibodies
- Sandwich ELISA protocol using a pair of primary antibodies

ELISPOT protocols:
Flow cytometry / FACS protocols:
- Flow cytometry - a guide / introduction
- Direct flow cytometry (FACS) protocol
- Indirect flow cytometry (FACS) protocol
- Flow cytometry intracellular staining protocol
- Flow cytometry recommended controls

- Red blood cell lysis protocol

- Having problems?
Download our detailed flow cytometry troubleshooting tips!
![Western blot - EIF2S1 (phospho S51) antibody [E90] (ab32157)](/ps/datasheet/Images/32/ab32157/ab32157wb.gif)
![- EIF2S1 (phospho S51) antibody [E90] (ab32157)](/ps/datasheet/Images/32/ab32157/ab32157ihc.jpg)
![Dot Blot - EIF2S1 (phospho S51) antibody [E90] (ab32157)](/ps/datasheet/Images/32/ab32157/ab32157dotblot.jpg)
![Immunocytochemistry/ Immunofluorescence - EIF2S1 (phospho S51) antibody [E90] (ab32157)](/ps/datasheet/Images/32/ab32157/ab32157_1.jpg)
![Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections) - Anti-EIF2S1 (phospho S51) antibody [E90] (ab32157)](/ps/datasheet/images/32/ab32157/EIF2S1-Primary-antibodies-ab32157-26.jpg)
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![eIF2 alpha (phospho S51) antibody [E90] for WB in Human (32157)](/ps/datasheet/images/32/ab32157/eIF2-alpha-Primary-antibodies-ab32157-1.jpg)
![eIF2 alpha (phospho S51) antibody [E90] for WB in Fruit fly (Drosophila melanogaster) (32157)](/ps/datasheet/images/32/ab32157/eIF2-alpha-Primary-antibodies-ab32157-1.png)
![EIF2S1 (phospho S51) antibody [E90] for Western blot in Neurospora crassa (32157)](/ps/datasheet/images/32/ab32157/EIF2S1-Primary-antibodies-ab32157-16.jpg)
![Anti-EIF2S1 (phospho S51) antibody [E90] for Western blot in Human (32157)](/ps/datasheet/images/32/ab32157/EIF2S1-Primary-antibodies-ab32157-20.jpg)
![eIF2 alpha (phospho S51) antibody [E90] for ICC/IF in Human (32157)](/ps/Reviews/Images/ab7600_32217.jpg)
![Anti-EIF2S1 (phospho S51) antibody [E90] for Western blot in Mouse (32157)](/ps/datasheet/images/32/ab32157/EIF2S1-Primary-antibodies-ab32157-24.jpg)