Table 10.

Some foremost patents describe CNTs used in the delivery of therapeutics, imaging and in disease diagnosis.

Serial Number	Patent Number	Patent Description	Ref.
1	US20090062785	SWCNTs were attached to proteins (including, but not limited to, annexins) or peptides and formed protein-CNT complexes. Complexes bound to specifically to tumor cells rather than to healthy cells; the cells were used to diagnose and irradiate tumors at specific wavelengths. However, an immunostimulant was also administered to intensify the immune response of the patients against antigen released by tumor cells.	[235]
2	US20080227687	Proteins (annexins) were linked with SWCNTs to target cancerous cells, particularly tumor vasculature endothelial cells. To diagnose and destroy these tumors, a specific electromagnetic wavelength was employed.	[236]
3	US20100209479	MWCNTs were attached to chemotherapeutic agents, such as mitomycin C.	[237]
4	US20090136987	CNTs were loaded with contrasting agents and used as imaging agents for detection in a cell.	[238]
5	US20080193490	CNTs employed as drug delivery vehicles for cancer drugs. CNTs were encapsulated with therapeutic agents and surface modifications were performed with different functional groups.	[239]