| Heat setting | Weight | Resulting pipette resistance (3 mm tip) | |--------------|--------|------------------------------------------| | 55 | 150g | No separation – too cold | | 62 | 150g | 2–3 MΩ (good for whole-cell patch) | | 68 | 150g | 5–7 MΩ (sharp intracellular) | | 75 | 200g | 10–12 MΩ (too long taper, fragile) | | 80+ | 100g | Blunt pipette – overheated glass |
Narishige PC-10 is a vertical micropipette puller that uses gravity and controlled heating to create glass needles for microinjection or electrophysiology. While the newer narishige pc10 manual new