The starting point of essentially all modern electronic-structure techniques is the Born-Oppenheimer approximation. It not only makes calculations feasible, it also provides us with an intuitive picture of chemical reactions.
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I will present the origins of the prokaryotic (i.e. bacteria and archaea) CRISPR/cas systems, then describe how one particular variant (Streptococcus pyogenes cas9) has been adapted and optimized for use in eukaryotic cells.
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Computer simulations that predict the light-induced change in the physical and chemical properties of complex systems, molecules, nanostructures and solids usually ignore the quantum nature of light.
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Strong coupling of light and matter can give rise to a multitude of exciting physical effects through the formation of hybrid light-matter states.
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