Table 2.
Fresh frozen Rehydration.
| 1. Set up 6 plastic Coplin staining jars with 100% ethanol, 90% ethanol, 70% ethanol, 50% ethanol, 30% ethanol, LC-MS water |
| 2. Immerse the slide in 100% ethanol for 2 min, 90% ethanol for 2 min, 70% ethanol for 2 min, 50% ethanol for 2 min, 30% ethanol for 2 min, wash in LC-MS water and keep slide submerged until transfer for digestion. |