TNF and lung carcinoma: Folic acid, transferrin etc. were widely explored as affinity ligands for targeting many tumors cells.[76, 77, 78] For example, recently, researcher developed a gold nanocarrier loaded with drug Aurimmune CYT‐6091 and functionalized with tumor necrosis factor alpha (TNF‐α) using polyethylene glycol (PEG) linker for treating lung cancer.