Nanospheres to Nanobots Art

Tracking Cell Death with Microcapsules and Nanotechnology: Therapeutic cells can be used to combat diseases, but it’s difficult to track their viability. Microspheres made of a biomaterial called alginate protect cells from the immune system and contain nanosensors (nanospheres) that can sense if the therapeutic cells are still alive.
The cancer smart bomb is a nano drug delivery system under development by Dr. Fahmy and colleagues at Yale University. They are developing a new cancer treatment that simultaneously attacks cancer cells and boosts the patient’s immune system. The treatment, which has successfully been tested on mice, uses small hollow spheres, called nanolipogels to deliver the two-prong attack. Some nanolipogels become stuck in leaky tumor blood vessels, where they rally the body’s own immune defenses by releasing interleukin-2 (green). Nanolipogels continuing into the tumor unleash an anti-cancer drug to attack the tumor cells. Winner of AOI 2013 Research and Communication Category (professional).
Nanospheres Combatting Autoimmune Disorders: Nanospheres have gained much attention for their potential to deliver chemotherapies in cancer treatment, but they also show much promise to treat autoimmune diseases like lupus, multiple scleorsis and Type 1 diabetes. This artwork shows the nanospheres interacting with immune cells in the lymph vessels.
Inside a tumor, nanospheres target receptors on the the blood vessels and on the cancer cells themselves. Once bound the nanospheres begin to release their drug, and are engulfed by the cancer cells where the drug can attack the cancer cell from the inside. 
Nanobot: Self-assembled nanobots composed of biological components walk along tracks of DNA on an origami framework. The track of DNA is clipped by the bot as it walks, so that it can only go in one direction.

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