Nanoparticles Appear to Have a Very Bright and Meaningful Future

Multiple Choice

Nanoparticles appear to have a very bright and meaningful future in the world; however, what is one potential issue with nanoparticles?

A) Development of the field of nanoinformatics and nanomedicine is difficult.
B) Creation of nanoparticles has not yet come to full fruition.
C) There are cytotoxicity and ethical concerns regarding the use of nanoparticles.
D) No methods exist to successfully combat cytotoxicity and clearance of nanoparticles.