Novosteo Inc., a Purdue University-affiliated startup known for its novel injectable drug to heal broken bones, has added a new scientist to its team.   Novosteo was co-founded by father-son team Philip S. Low, the presidential scholar for Drug Discovery and the Ralph C. Corley distinguished professor of chemistry, and Stewart A. Low, the company’s chief scientific officer and visiting scholar in Purdue’s Department of Chemistry.   The new addition to the Novosteo team is Jeffery Nielsen, a Purd...