%0 Journal Article %J Journal of the American Chemical Society %D 1999 %T Study of xenon binding in cryptophane-A using laser-induced NMR polarization enhancement %A Luhmer, M. %A Goodson, B. M. %A Song, Y. Q. %A Laws, D. D. %A Kaiser, L. %A Cyrier, M. C. %A Pines, A. %K SPECTROSCOPY %X

In solution, spin-polarization transfer between laser-polarized xenon and the hydrogen nuclei of nearby molecules leads to signal enhancements in the resolved H-1 NMR spectrum, offering new opportunities for probing the chemical environment of xenon atoms. Following binding of laser-polarized xenon to molecules of cryptophane-A, selective enhancements of the H-1 NMR signals were observed. A theoretical framework for the interpretation of such experimental results is provided, and the spin polarization-induced nuclear Overhauser effects are shown to yield information about the molecular environment of xenon. The observed selective H-1 enhancements allowed xenon-proton internuclear distances to be estimated. These distances reveal structural characteristics of the complex, including the preferred molecular conformations adopted by cryptophane-A upon binding of xenon.

%B Journal of the American Chemical Society %V 121 %P 3502-3512 %8 Apr 14 %@ 0002-7863 %G English %U ://WOS:000079884800033 %N 14 %M WOS:000079884800033 %! Study of xenon binding in cryptophane-A using laser-induced NMR polarization enhancement %R Doi 10.1021/Ja9841916 %0 Journal Article %J Angewandte Chemie-International Edition in English %D 1997 %T Selective enhancement of NMR signals for alpha-cyclodextrin with laser-polarized xenon %A Song, Y. Q. %A Goodson, B. M. %A Taylor, R. E. %A Laws, D. D. %A Navon, G. %A Pines, A. %K solids %B Angewandte Chemie-International Edition in English %V 36 %P 2368-2370 %8 Nov 14 %@ 0570-0833 %G English %U ://WOS:A1997YH94400025 %N 21 %M WOS:A1997YH94400025 %! Selective enhancement of NMR signals for alpha-cyclodextrin with laser-polarized xenon %R Doi 10.1002/Anie.199723681