This is a preview. Log in through your library . Abstract Chromatography of extracts of agar blocks on which shoot tips of tomato had stood for 24 h revealed the presence of at least two ...

So far, all published results relating to the gibberellin content of plants, or plant organs, have been obtained by various gibberellin-extraction techniques. This procedure is useful in the ...

Over the past decades the self-assembly (SA) of a wide variety of building blocks has become an established technology for the bottom–up fabrication of objects and materials with structural features ...