Exosomes are saucer-shaped vesicles of 30–100 nm in diameter, which are delimited by a lipid bi-layer and which float at a density of 1.13–1.19 g ml −1 in sucrose gradients. These vesicles are ...

(Nanowerk News) The electronic bandgap is an intrinsic property of semiconductors that to a large extent determines their optical properties, such as their emission color. Having the ability to adjust ...