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SUMMARY:The influence of electric and magnetic fields to increase the crys
 tal quality of proteins - Professor Abel Moreno
DTSTART:20090304T101500Z
DTEND:20090304T110000Z
UID:TALK16532@talks.cam.ac.uk
CONTACT:7011
DESCRIPTION:The simultaneous and non-simultaneous effects of magnetic and 
 electric fields are a new field of research. Depending on the configuratio
 n of the system\, great advantages can be acquired\, such as the homogenei
 ty in crystal size\, crystal quality enhancement thanks to apparent suppre
 ssion of secondary nucleation events that permit the continuous growth of 
 previously formed nuclei. Also\, an orientation effect is noticed when the
  magnetic field is applied to the crystallisation cell. It is worth mentio
 ning that the use of strong magnetic fields is still very expensive to per
 form in crystallisation experiments. Maintenance of the superconductive ma
 gnets and the magnet itself are limiting factors for economic reasons. How
 ever\, recent work has demonstrated that by applying only a strong magneti
 c field\, coupled with growth-in-gels improves the resolution limit as wel
 l as the crystal quality. The combined effects of a magnetic field and mag
 netic field gradients on convection in crystal growth are presented. More 
 recently a novel technique using a popular magnet usually used for Nuclear
  Magnetic Resonance (NMR) commonly used in Chemistry laboratories will be 
 revised as well. Finally\, all the basic principles and recent contributio
 ns about the use of combined electric/magnetic fields and gels will be pre
 sented in this seminar.
LOCATION:Seminar Room\, Sanger Building
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