RIDME Spectroscopy with Gd(III) Centers

Razzaghi S, Qi M, Nalepa AI, Godt A, Jeschke G, Savitsky A, Yulikov M (2014)
The Journal of Physical Chemistry Letters 5: 3970-3975.

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Abstract
The relaxation induced dipolar modulation enhancement (RIDME) technique is applied at W-band microwave frequencies around 94 GHz to a pair of Gd(III) complexes that are connected by a rodlike spacer, and the extraction of the interspin distance distribution is discussed. A dipolar pattern derived from RIDME experimental data is a superposition of Pake-like dipolar patterns corresponding to the fundamental dipolar interaction and higher harmonics thereof. Intriguingly, the relative weights of the stretched patterns do not depend significantly on mixing time. As much larger modulation depths can be achieved than in double electron–electron resonance distance measurements at the same frequency, Gd(III)–Gd(III) RIDME may become attractive for structural characterization of biomacromolecules and biomolecular complexes.
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Razzaghi S, Qi M, Nalepa AI, et al. RIDME Spectroscopy with Gd(III) Centers. The Journal of Physical Chemistry Letters. 2014;5:3970-3975.
Razzaghi, S., Qi, M., Nalepa, A. I., Godt, A., Jeschke, G., Savitsky, A., & Yulikov, M. (2014). RIDME Spectroscopy with Gd(III) Centers. The Journal of Physical Chemistry Letters, 5, 3970-3975.
Razzaghi, S., Qi, M., Nalepa, A. I., Godt, A., Jeschke, G., Savitsky, A., and Yulikov, M. (2014). RIDME Spectroscopy with Gd(III) Centers. The Journal of Physical Chemistry Letters 5, 3970-3975.
Razzaghi, S., et al., 2014. RIDME Spectroscopy with Gd(III) Centers. The Journal of Physical Chemistry Letters, 5, p 3970-3975.
S. Razzaghi, et al., “RIDME Spectroscopy with Gd(III) Centers”, The Journal of Physical Chemistry Letters, vol. 5, 2014, pp. 3970-3975.
Razzaghi, S., Qi, M., Nalepa, A.I., Godt, A., Jeschke, G., Savitsky, A., Yulikov, M.: RIDME Spectroscopy with Gd(III) Centers. The Journal of Physical Chemistry Letters. 5, 3970-3975 (2014).
Razzaghi, Sahand, Qi, Mian, Nalepa, Anna I., Godt, Adelheid, Jeschke, Gunnar, Savitsky, Anton, and Yulikov, Maxim. “RIDME Spectroscopy with Gd(III) Centers”. The Journal of Physical Chemistry Letters 5 (2014): 3970-3975.
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Gd(III)-Gd(III) EPR distance measurements--the range of accessible distances and the impact of zero field splitting.
Dalaloyan A, Qi M, Ruthstein S, Vega S, Godt A, Feintuch A, Goldfarb D., Phys Chem Chem Phys 17(28), 2015
PMID: 26108866
Sensitivity enhancement by population transfer in Gd(III) spin labels.
Doll A, Qi M, Pribitzer S, Wili N, Yulikov M, Godt A, Jeschke G., Phys Chem Chem Phys 17(11), 2015
PMID: 25697259

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