Step | Material | Concentration | Buffer | Duration | Temperature |
---|---|---|---|---|---|
Fixation | Paraformaldehyde | 4% | Sörensen | 1 hr | 4°C |
Lowicryl embedding | 5 days | -30°C | |||
Sectioning (gold grids) | |||||
Enzymatic digestion | Proteasea | 0.2 mg/ml | Distilled water | 15 min | 37°C |
RNase Ab | 1 mg/ml | Tris HCl, 10 mM, pH 7.3 | 1 hr | 37°C | |
Denaturation of grid target DNA | NaOH | 0.5 N | Distilled water | 4 min | RTd |
Denaturation of hybridization solution | 4 min | 95°C | |||
Hybridization | o/nc | 37°C | |||
Detection of hybrids | Anti-biotin 10 nm gold conjugate | 1:25 | PBS | 30 min | RTd |