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.

Optimize Inc. is developing wireless personal imaging and communication systems for minimally invasive procedures.

In two dramatically different surgical markets, new technologies promise to improve visual access to difficult-to-reach places in the body. The first market builds on improvements in endoscopy, the second is driven by advances in diagnostic imaging.