Although the ultimate goal is to kill cancer, Zubarev said the strategy is non-toxic particles that deadly only when they deliver activated by a laser. The nanorods the the size of a small virus can harvest and convert otherwise harmless light into heat. For startersse each nanorod radiates tiny heat, many kill kill a cell.
Unfortunately, scientists who study gold nanorods found it difficult to load a large number of particles in living cells. For starters are of pure gold nanorods that they do not dissolve in the solution, if it means combined with some sort of polymer or surfactant. The most commonly used of which cetyltrimethylammonium bromide, or CTAB, a soapy chemical often used in hair conditioners. Continue reading