 STONY BROOK, N.Y.--BUSINESS WIRE--- APDN--Applied DNA Sciences, Inc. NASDAQ: APDN Applied DNA or the Company, a leader in Polymerase Chain Reaction PCR-based DNA manufacturing, today announced the expansion of commercial activities under its multi-year Master Services Agreement MSA with Nutrition21 whereby Nutrition21 has transitioned to Applied DNAs CertainT platform to secure its IP-protected portfolio of dietary supplement ingredients. Concurrently, the Company received two follow-on 