Dynamic Nuclear Polarization NMR Spectroscopy Allows High-Throughput Characterization of Microporous Organic Polymers

Blanc, F., et al., Dynamic nuclear polarization NMR spectroscopy allows high-throughput characterization of microporous organic polymers. J Am Chem Soc, 2013. 135(41): p. 15290-3.

http://www.ncbi.nlm.nih.gov/pubmed/24028380

Dynamic nuclear polarization (DNP) solid-state NMR was used to obtain natural abundance (13)C and (15)N CP MAS NMR spectra of microporous organic polymers with excellent signal-to-noise ratio, allowing for unprecedented details in the molecular structure to be determined for these complex polymer networks. Sensitivity enhancements larger than 10 were obtained with bis-nitroxide radical at 14.1 T and low temperature ( approximately 105 K). This DNP MAS NMR approach allows efficient, high-throughput characterization of libraries of porous polymers prepared by combinatorial chemistry methods.

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