As scientists create molecular complexes to perform increasingly minute operations -- such as molecular level switches or memory devices -- it is critical that the association forces that hold the molecular components together be accurately understood.
But measurements of association constants are often not accurate, according to an article by Virginia Tech Ph.D. student Jason Jones and chemistry professor Harry W. Gibson, published in May 15, 2003 online issue of the Journal of the American Chemical Society ("Ion Pairing and Host-Guest Complexation in Low Dielectrict Constant Solvents," scheduled for print on June 25, 2003).
Designing molecules that switch on and off or that attach to a material to transport it and then release it at some external signal, requires a complexation (or connection) process that is reversible. Fine control of reversible complexation processes requires precise understanding of the attractive forces that hold two or more molecules together in the supramolecular assembly.
Harry W. Gibson | EurekAlert!
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