Hence, photo-CIDNP MAS NMR allows the study of the photochemical

Hence, photo-CIDNP MAS NMR allows the study of the photochemical machinery of photosynthetic RCs at atomic

resolution in the dark ground state (chemical shifts) as well as in the radical pair state (intensities). Summary The symbiosis of magnetic resonance and photosynthesis is a long-standing one, providing insight and challenge for developments in several areas of research. The attraction is long lasting, and the contributions in the remainder of this special issue show that it is a fascinating, multifaceted area of research. The fascination does not end, and maybe, for some it is only beginning. Acknowledgments It is impossible to do justice to the contributions of the scientists BAY 11-7082 in photosynthesis who contributed to and whose works are cited in this special issue. Personally, I selleck chemical would like to thank my teachers in the field, George Feher, Friedhelm Lendzian, Wolfgang Lubitz, and Klaus Möbius. Maryam Hashemi Shabestari is acknowledged for preparing the figures. Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited. References Alia A, Ganapathy S, de Groot HJM (2009) Magic Angle Spinning

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Schneider JW, Woodbury NW, Williams N-acetylglucosamine-1-phosphate transferase JC, Niklas J, Klihm G, Reus M, Lubitz W (2009) EPR, ENDOR, and Special TRIPLE measurements of P•+ in wild type and modified reaction centers from Rb. sphaeroides. Photosynth Res 99:1–10CrossRefPubMed Atherton NM (1993) Principles of electron spin resonance. Ellis Horwood and PTR Prentice Hall, Chichester Carbonera D (2009) Optically detected magnetic resonance (ODMR) of photoexcited triplet states. Photosynth Res (this issue) Carrington A, McLachlan AD (1979) Introduction to magnetic resonance. Chapman and Hall, London Duer MJ (2002) Introduction to solid-state NMR spectroscopy. Wiley-Blackwell Publishing, Oxford Feher G (1998) Three decades of research in bacterial photosynthesis and the road leading to it: a personal account. Photosynth Res 55:3–40 Finiguerra MG, Blok H, Ubbink M, Huber M (2006) High-field (275 GHz) spin-label EPR for high-resolution polarity determination in proteins. J Magn Reson 180:197–202CrossRefPubMed Flores M, Isaacson R, Abresch E, Calvo R, Lubitz W, Feher G (2007) Protein-cofactor interactions in bacterial reaction centers from Rhodobacter sphaeroides R-26: II. Geometry of the hydrogen bonds to the primary quinone Q(A)(-) by H-1 and H-2 ENDOR spectroscopy. Biophys J 92:671–682CrossRefPubMed Hore PJ (1995) Nuclear magnetic resonance.

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