A short holiday break and a rather protracted bout of the flu have kept me from blogging. So I will link to an article of mine that just got published in the magazine of the Chemical Society of the Indian Institute of Technology (IIT), Delhi. The article is written for the layman and talks about the importance of realizing that flexible molecules have multiple conformations in solution. Such conformations cannot be determined by NMR alone due to their rapid interconversion.
In the article, I describe NAMFIS (NMR Analysis of Molecular Flexibility In Solution), a joint computational-NMR approach which can derive a Boltzmann population for flexible molecules in solution. This information can be very useful for deducing, for example, the protein-bound conformation of a drug. But it can also be useful under other circumstances where determining conformation is important, such as for organic molecules assembling on a surface. Comments, criticism and questions are of course always welcome.
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