A preview of the emerging health care companies profiled in the current issue of Start-Up. This month's profile group, Drug Delivery, features profiles of Cell Based Delivery Inc., Solgene Therapeutics LLC, Spherics Inc. and Zars Inc. Plus these selected Start-Ups across Health Care: Helios Health Inc., Optimize Inc., Triad Therapeutics and Protiveris Inc.

The founders of Protiveris, which means "truth in proteins," are looking into the possibilities of combining various silicon-based nanotechnologies with biomarkers, giving birth to a concept that has been termed bionanotechnology. The company is developing innovative diagnostic techniques based on bionanotechnology, which are affordable and highly sensitive.