This invention provides two compositions. The first composition comprises a nanotube and at least one anti-nanotube antibody, wherein the anti-nanotube antibody is bound to the nanotube. The second composition comprises a fullerene and at least one anti-fullerene antibody, wherein the anti-fullerene antibody is bound to the fullerene. Finally, this invention provides methods and kits relating to the antibody and compositions of matter.
 This invention was made with support under Grant No. HL 47377-03 from the NIH and under Contract FG02-98ER 14861 from the DOE Basic Energy Sciences. Accordingly, the United States Government has certain rights in the invention.