Designing a vaccine starts with finding the right ingredients. Every infectious agent has molecules, called antigens, that the immune system could potentially recognize and attack. So scientists must ...

THERE is no branch of chemistry in which greater progress has been made in the last twenty years than the study of valency. A full understanding of the principles of chemical combination demands a ...

Spectral tunability, to allow control over the direction of energy flow among constituent quantum dots in a single complex. Ideally, the tunability is realized based on systematically varying a single ...