Nanotechnology is contributing greatly to regenerative medicine, particularly by creating nanometer pores and associated nanometer surface features to improve bladder tissue growth while inhibiting bladder calcium stone formation, which is a common disease affecting 5.2% of adults in the US with a high rate of recurrence.
The article covers the work of Young Wook Chun (BME PhD student from Professor Webster's lab) who is creating nanostructured polymers to repair injured bladders.
http://nanotechweb.org/cws/article/tech/38783