Here are a few papers describing progress purifying and dispersing BNNTs... (please contact us for further information).
From: NASA Langley Research Center (by Catharine Fay). Published: February 2014.
From ACS Nano. Published: December 8, 2014. Download supporting information (PDF).
From SPIE. Published: April 16, 2014
From Taylor & Francis Group. Published: February 15, 2010.
From Science Direct. Published May 2009.
From Technology in Cancer Research and Treatment. Published: March 28, 2012.
From ACS Publications (JACS). Published: November 1, 2005.