Plastoglobuli have been isolated and purified from chloroplasts of beech and spinach leaves and from broom flower chromoplasts by a repeated floating-gradient technique. The main components in ...
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 ...
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