OVERNIGHT SURPRISE

When chemist Krupal Jethava unintentionally left a chalcone derivative sitting in the solvent ethyl acetate overnight, beautiful crystals formed at the bottom of the flask and around the stir bar by the next day. Jethava is studying the chalcone derivative as a potential anticancer agent.

Submitted by Krupal Jethava 

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SCAFFOLD

Stem cells grow and multiply in a self-assembling porous peptide hydrogel. Actin filaments from the cells’ cytoskeleton are stained green in this confocal microscope image; stem-cell nuclei are blue. Researchers hope materials such as this hydrogel (not visible in the image) can be used as scaffolds for stem-cell-based tissue regeneration.

Credit:Marci Kang/Biomacromolecules 2014, DOI: 10.1021/bm500075r

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http://www.iflscience.com/chemistry/chemist-demonstrates-liquid-nitrogen-edition-als-ice-bucket-challenge