Researchers control growth rate of replacement blood vessels, tissues

Characterization of nanospheres and nanosphere incorporated nano-fibrous scaffolds (A) Scanning electron micrograph of nanospheres; (B) macroscopic photographs of scaffolds before (left) and after (right) nanosphere incorporation; (C, D) scanning electron micrographs of nano-fibrous scaffolds before nanosphere incorporation at 100_ (C) and 10,000_ (D); (E, F) scanning electron micrographs of PLLA nano-fibrous scaffolds after nanosphere incorporation at 100_ (E) and10,000. Photo made available by the Public Library of Science.