SEATTLE--(BUSINESS WIRE)--LifeSpan BioSciences, Inc., a leading provider of antibodies for thousands of researchers worldwide, has increased the number of validated IHC-plus™ antibodies available in its catalog to more than 3,500. With this increase, LifeSpan is well on its way to building the world’s largest catalog of well characterized, IHC-validated reagent antibodies. Overall, LifeSpan has a catalog of more than 82,000 antibodies.