Materials
Methanol absolute ULC-MS grade was obtained from Biolab, Israel, MilliQ water was from Merck Millipore, USA, Formic acid and Leucine Enkephalin were from Waters Inc., USA. Superfrost microscope glass slides were from Epredia, USA….
Methanol absolute ULC-MS grade was obtained from Biolab, Israel, MilliQ water was from Merck Millipore, USA, Formic acid and Leucine Enkephalin were from Waters Inc., USA. Superfrost microscope glass slides were from Epredia, USA….