Biosafety of non-surface modified carbon nanocapsules as a potential alternative to carbon nanotubes for drug delivery purposes. oleh Alan C L Tang, Gan-Lin Hwang, Shih-Jung Tsai, Min-Yao Chang, Zack C W Tang, Meng-Da Tsai, Chwan-Yao Luo, Allan S Hoffman, Patrick C H Hsieh