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Characterization of Nanoporous Cavity of Quardruply Bridged Calix[6]arenes by Means of Hyperpolarized 129Xe NMR

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Abstract:

The bridged calix[6]arenes, which are well known as cavitands to capture ions and molecules, were characterized via the hyperpolarized 129Xe NMR. Also, we could deduce the pathway of a guest molecule into hosts and estimate the pore diameter of bridged calix[6]arenes. The characterized results of nanoporous cavity by the hyperpolarized 129Xe NMR corresponded with the measurement from the X-ray structure. This study showed that the hyperpolarized 129Xe NMR could be used as a promising tool to characterize nanoporous cavity of host compounds with low surface area.

Keywords: BRIDGED CALIX[6]ARENES; CALIXARENE; CHARACTERIZATION OF NANOPOROUS CAVITY; HYPERPOLARIZED 129XE NMR

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2254

Publication date: May 1, 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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