Sirnaomics Inc., a Gaithersburg-based biopharmaceutical company engaged in the discovery and development of RNAi therapeutics, Friday announced a corporate technology spinoff establishing an independent biopharmaceutical company, RNAimmune Inc. This new entity is focusing on and specializing in messenger RNA (mRNA) based therapeutics and vaccine development, with exclusively licensed Polypeptide-Lipid Nanoparticle (PLNP) delivery technology and large scale …