Averaging of nuclear modulation artefacts in RIDME experiments

Keller K, Doll A, Qi M, Godt A, Jeschke G, Yulikov M (2016)
Journal of Magnetic Resonance 272: 108-113.

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Abstract The presence of artefacts due to Electron Spin Echo Envelope Modulation (ESEEM) complicates the analysis of dipolar evolution data in Relaxation Induced Dipolar Modulation Enhancement (RIDME) experiments. Here we demonstrate that averaging over the two delay times in the refocused \{RIDME\} experiment allows for nearly quantitative removal of the \{ESEEM\} artefacts, resulting in potentially much better performance than the so far used methods. The analytical equations are presented and analyzed for the case of electron and nuclear spins S = 1 / 2 , I = 1 / 2 . The presented analysis is also relevant for Double Electron Electron Resonance (DEER) and Chirp-Induced Dipolar Modulation Enhancement (CIDME) techniques. The applicability of the \{ESEEM\} averaging approach is demonstrated on a Gd(III)-Gd(III) rigid ruler compound in deuterated frozen solution at Q band (35 GHz).
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Keller K, Doll A, Qi M, Godt A, Jeschke G, Yulikov M. Averaging of nuclear modulation artefacts in RIDME experiments. Journal of Magnetic Resonance. 2016;272:108-113.
Keller, K., Doll, A., Qi, M., Godt, A., Jeschke, G., & Yulikov, M. (2016). Averaging of nuclear modulation artefacts in RIDME experiments. Journal of Magnetic Resonance, 272, 108-113.
Keller, K., Doll, A., Qi, M., Godt, A., Jeschke, G., and Yulikov, M. (2016). Averaging of nuclear modulation artefacts in RIDME experiments. Journal of Magnetic Resonance 272, 108-113.
Keller, K., et al., 2016. Averaging of nuclear modulation artefacts in RIDME experiments. Journal of Magnetic Resonance, 272, p 108-113.
K. Keller, et al., “Averaging of nuclear modulation artefacts in RIDME experiments”, Journal of Magnetic Resonance, vol. 272, 2016, pp. 108-113.
Keller, K., Doll, A., Qi, M., Godt, A., Jeschke, G., Yulikov, M.: Averaging of nuclear modulation artefacts in RIDME experiments. Journal of Magnetic Resonance. 272, 108-113 (2016).
Keller, Katharina, Doll, Andrin, Qi, Mian, Godt, Adelheid, Jeschke, Gunnar, and Yulikov, Maxim. “Averaging of nuclear modulation artefacts in RIDME experiments”. Journal of Magnetic Resonance 272 (2016): 108-113.
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