Shimadzu Scientific Instruments (SSI) has released the new PPSQ-51A single reactor and PPSQ-53A triple reactor gradient system protein sequencers. These instruments are designed to provide higher sensitivity and more reliable analysis of N-terminal amino acid sequences through automated Edman degradation. They’re also designed to provide an extra level of flexibility because they can detect and identify additional rare and modified amino acids. They are FDA 21 CFR Part 11 compliant when used wit...