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Ultra fast magic angle spinning solid – state NMR spectroscopy of intact bone
Authors:Chandan Singh  Ratan Kumar Rai  Arvind M. Kayastha  Neeraj Sinha
Affiliation:1. Centre of Biomedical Research, SGPGIMS Campus, Raebarelly Road, Lucknow, UP, India;2. School of Biotechnology, Faculty of Science, Banaras Hindu University, Varanasi, India
Abstract:Ultra fast magic angle spinning (MAS) has been a potent method to significantly average out homogeneous/inhomogeneous line broadening in solid‐state nuclear magnetic resonance (ssNMR) spectroscopy. It has given a new direction to ssNMR spectroscopy with its different applications. We present here the first and foremost application of ultra fast MAS (~60 kHz) for ssNMR spectroscopy of intact bone. This methodology helps to comprehend and elucidate the organic content in the intact bone matrix with resolution and sensitivity enhancement. At this MAS speed, amino protons from organic part of intact bone start to appear in 1H NMR spectra. The experimental protocol of ultra‐high speed MAS for intact bone has been entailed with an additional insight achieved at 60 kHz. Copyright © 2015 John Wiley & Sons, Ltd.
Keywords:ssNMR  MAS  1H  1H‐13C  NH protons  bone  water  ultra fast magic angle spinning  sensitivity enhancement
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