SHARES in nanotech firm Nanoco leapt 26% to 139p in early trading after it announced a "transformational" deal with US conglomerate, The Dow Chemical Company.The Manchester firm makes quantum dots - tiny fluorescent particles of semiconductor material which have the ability to emit light.They are in demand by the makers of electronic goods because they consume less power than existing systems.It has agreed to licence the technology to Dow subsidiary, Dow Electronic Materials, which will have the right to make and sell the dots for......for the full story register now for free or login below...