Sensitivity enhancement of the MQMAS NMR experiment by fast amplitude modulation of the pulses. Madhu, P K, Goldbourt, A., Frydman, L., & Vega, S. Chemical Physics Letters, 307(1-2):41–47, June, 1999. ISBN: 0009-2614
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We report here an improved way of doing the multiple-quantum magic-angle spinning (MQMAS) NMR experiment that relies on the use of amplitude modulated pulses. These pulses were found to yield MQMAS NMR signals that an considerably stronger (approximate to 200-300%) than the ones arising from the usual continuous wave pulse schemes by virtue of a superior efficiency of the triple- to single-quantum conversion process. Numerical simulations and experimental results taking Na-23 and Rb-87 nuclei as examples are presented that corroborate the usefulness of this approach. (C) 1999 Elsevier Science B.V. All rights reserved.
@article{Madhu1999,
	title = {Sensitivity enhancement of the {MQMAS} {NMR} experiment by fast amplitude modulation of the pulses},
	volume = {307},
	issn = {00092614},
	doi = {10.1016/S0009-2614(99)00446-7},
	abstract = {We report here an improved way of doing the multiple-quantum magic-angle spinning (MQMAS) NMR experiment that relies on the use of amplitude modulated pulses. These pulses were found to yield MQMAS NMR signals that an considerably stronger (approximate to 200-300\%) than the ones arising from the usual continuous wave pulse schemes by virtue of a superior efficiency of the triple- to single-quantum conversion process. Numerical simulations and experimental results taking Na-23 and Rb-87 nuclei as examples are presented that corroborate the usefulness of this approach. (C) 1999 Elsevier Science B.V. All rights reserved.},
	number = {1-2},
	journal = {Chemical Physics Letters},
	author = {Madhu, P K and Goldbourt, Amir and Frydman, Lucio and Vega, Shimon},
	month = jun,
	year = {1999},
	note = {ISBN: 0009-2614},
	pages = {41--47},
}

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