4% paraformaldehyde (PFA) solution
| Reagent | Final concentration | Amount |
|---|---|---|
| Paraformaldehyde | 4% | 40 g |
| 1 M NaOH | N/A | Few drops |
| 1 M HCl | N/A | Few drops |
| 1× PBS | N/A | Add to 1 L |
Can be stored in sealed container at 4°C for one week.
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