Exhibit 2.1 AGREEMENT OF PURCHASE AND SALE OF ASSETS AGREEMENT OF PURCHASE AND SALE OF ASSETS ("Agreement") is made January 19, 1999 by and among DEAN RADETSKY and CHERYL RADETSKY (each, a "Shareholder" and collectively the "Shareholders"), OPTIMUM...Purchase and Sale Agreement • February 3rd, 1999 • Ambi Inc • Biological products, (no disgnostic substances) • New York
BETWEENRevolving Credit and Term Loan Agreement • February 3rd, 1999 • Ambi Inc • Biological products, (no disgnostic substances) • Massachusetts
