5. Cancer detection and treatment- The nanorobots are made with a mixture of polymer and a protein known as transferrin which is capable of detecting tumor cells. The nanorobots would consist of embedded chemical biosensor that can be used in detection of tumor. The medical nanorobots with chemical biosensors can be programmed to detect different levels of E-cadherin and beta-catenin, aiding in the target identification and drug delivery. The nanorobot could also carry the chemicals employed in chemotherapy to treat the cancer at the site [26]. The robots could either attack tumors directly using lasers, microwaves or ultrasonic signals or as a part of a chemotherapy treatment, delivering medication to the cancer site