bioex_lect29

bioex_lect29 - MIT OpenCourseWare http/ocw.mit.edu 5.111...

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MIT OpenCourseWare http://ocw.mit.edu 5.111 Principles of Chemical Science Fall 2008 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .
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Metals in Biology: Crystal Field Theory and Magnetism See lectures 28 and 29 for an introduction to crystal field theory. Magnetism Compounds possessing unpaired electrons are paramagnetic (attracted by magnetic field); those in which the electrons are paired are diamagnetic (repelled by magnetic field). Example from page 4 of Lecture 29 notes: Inspiration from Metalloenzymes for the Reduction of Greenhouse Gasses. Researchers are very interested in developing new catalysts for removing harmful greenhouse gasses, such as carbon monoxide (CO) and carbon dioxide (CO 2 ) from the atmosphere. Nature has already figured out how to accomplish this. Certain microbes “live on” CO or CO 2 , utilizing enzymes with metal cofactors that facilitate carbon fixation reactions.
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bioex_lect29 - MIT OpenCourseWare http/ocw.mit.edu 5.111...

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