A preview of the emerging health care companies profiled in the current issue of Start-Up. This month's profile groups: Orthopedic Soft Tissue Repair, Stem Cells: Heath Care's Panacea or Pariah, and Nowhere to Hide: RFID Comes to Health Care. Plus these Start-Ups across Health Care: AC Immune, Alimera Sciences, Mitralign and Small Bone Innovations.

The field of stem cells is still plagued by issues of ethics, efficacy, and economics.

Hopes to develop a donor organ-sparing treatment for liver disease and liver failure.

In Vivo briefly summarizes the technologies of these recently founded companies: ArthroSurface Inc., Biospect Inc., Collegium Pharmaceutical Inc., Magnetic BioSystems Inc., Miikana Therapeutics Inc. and Vesta Therapeutics Inc.