CARLSBAD, Calif.--(BUSINESS WIRE)--Invitrogen, a provider of essential life science technologies for research, production and diagnostics, has launched a new disposable device to simplify manual passaging, the process of dividing human embryonic stem cell (hESC) colonies. The tool, STEMPRO® EZPassage™, will substantially reduce the time required for this crucial step in stem cell research, improve the uniformity and consistency of manual passaging and decrease the amount of training required for newcomers to the field.