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  • atomic
  • 1989. Rietveld refinement of non-hydrogen atomic positions in kaolinite. (springer.com)
  • Researchers from the University of Basel s Swiss Nanoscience Institute network have reported the results in the journal Science Advances ( 'Direct quantitative measurement of the C=O H-C bond by atomic force microscopy' ). (nanowerk.com)
  • geometrical
  • Prior research had indicated that two main geometrical arrangements of hydrogen bonds (one associated with each ion) facilitate the hops. (wn.com)
  • catalysts
  • Research has shown that hydrogen bonds play an important role in tuning the reactivity of the metal centers of metalloenzymes and metal containing catalysts. (innovations-report.com)
  • Alkanes have a lot of C-H bonds and we showed last year that we can bring in one of our catalysts and pluck out a particular one of these bonds and make it reactive," says Huw Davies, an Emory professor of organic chemistry whose lab led the research. (innovations-report.com)
  • macromolecules
  • Indeed, the pioneering investigations of Löwdin /3/ were among the first attempts to characterize the role of protonic motion in hydrogen bonds in the properties of biological macromolecules. (springer.com)
  • centers
  • The subsequent reaction proceeds through an unusual cleavage of the H-H bond of H 2 mediated by two iron centers. (phys.org)