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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00005757naa a2200937 4500
001oai:DiVA.org:su-85530
003SwePub
008130108s2012 | |||||||||||000 ||eng|
009oai:DiVA.org:umu-61397
009oai:DiVA.org:uu-232841
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-855302 URI
0247 a https://doi.org/10.1073/pnas.12113841092 DOI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-613972 URI
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-2328412 URI
040 a (SwePub)sud (SwePub)umud (SwePub)uu
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Alonso-Mori, Roberto4 aut
2451 0a Energy-dispersive X-ray emission spectroscopy using an X-ray free-electron laser in a shot-by-shot mode
264 c 2012-11-05
264 1b Proceedings of the National Academy of Sciences,c 2012
338 a print2 rdacarrier
500 a AuthorCount:39;
520 a The ultrabright femtosecond X-ray pulses provided by X-ray free-electron lasers open capabilities for studying the structure and dynamics of a wide variety of systems beyond what is possible with synchrotron sources. Recently, this probe-before-destroy approach has been demonstrated for atomic structure determination by serial X-ray diffraction of microcrystals. There has been the question whether a similar approach can be extended to probe the local electronic structure by X-ray spectroscopy. To address this, we have carried out femtosecond X-ray emission spectroscopy (XES) at the Linac Coherent Light Source using redox-active Mn complexes. XES probes the charge and spin states as well as the ligand environment, critical for understanding the functional role of redox-active metal sites. K beta(1,3) XES spectra of Mn-II and Mn-2(III,IV) complexes at room temperature were collected using a wavelength dispersive spectrometer and femtosecond X-ray pulses with an individual dose of up to > 100 MGy. The spectra were found in agreement with undamaged spectra collected at low dose using synchrotron radiation. Our results demonstrate that the intact electronic structure of redox active transition metal compounds in different oxidation states can be characterized with this shot-by-shot method. This opens the door for studying the chemical dynamics of metal catalytic sites by following reactions under functional conditions. The technique can be combined with X-ray diffraction to simultaneously obtain the geometric structure of the overall protein and the local chemistry of active metal sites and is expected to prove valuable for understanding the mechanism of important metalloproteins, such as photosystem II.
650 7a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng
650 7a NATURVETENSKAPx Kemi0 (SwePub)1042 hsv//swe
650 7a NATURAL SCIENCESx Chemical Sciences0 (SwePub)1042 hsv//eng
650 7a NATURVETENSKAPx Fysikx Acceleratorfysik och instrumentering0 (SwePub)103062 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Accelerator Physics and Instrumentation0 (SwePub)103062 hsv//eng
653 a energy-dispersive XES
653 a K beta emission lines
653 a femtosecond x-ray spectroscopy
7001 a Kern, Jan4 aut
7001 a Gildea, Richard J.4 aut
7001 a Sokaras, Dimosthenis4 aut
7001 a Weng, Tsu-Chien4 aut
7001 a Lassalle-Kaiser, Benedikt4 aut
7001 a Tran, Rosalie4 aut
7001 a Hattne, Johan4 aut
7001 a Laksmono, Hartawan4 aut
7001 a Hellmich, Julia4 aut
7001 a Glöckner, Carina4 aut
7001 a Echols, Nathaniel4 aut
7001 a Sierra, Raymond G.4 aut
7001 a Schafer, Donald W.4 aut
7001 a Sellberg, Jonasu Stockholms universitet,Fysikum,SLAC National Accelerator Laboratory, USA4 aut0 (Swepub:su)jose4950
7001 a Kenney, Christopher4 aut
7001 a Herbst, Ryan4 aut
7001 a Pines, Jack4 aut
7001 a Hart, Philip4 aut
7001 a Herrmann, Sven4 aut
7001 a Grosse-Kunstleve, Ralf W.4 aut
7001 a Latimer, Matthew J.4 aut
7001 a Fry, Alan R.4 aut
7001 a Seibert, M Marvinu Linac Coherent Light Source, SLAC National Accelerator Laboratory, Menlo Park, CA 94025;4 aut0 (Swepub:uu)masei255
7001 a Miahnahri, Alan4 aut
7001 a Seibert, M. Marvin4 aut
7001 a Zwart, Petrus H.4 aut
7001 a White, William E.4 aut
7001 a Adams, Paul D.4 aut
7001 a Bogan, Michael J.4 aut
7001 a Boutet, Sébastien4 aut
7001 a Williams, Garth J.4 aut
7001 a Zouni, Athina4 aut
7001 a Messinger, Johannesu Umeå universitet,Kemiska institutionen4 aut0 (Swepub:umu)jome0007
7001 a Glatzel, Pieter4 aut
7001 a Sauter, Nicholas K.4 aut
7001 a Yachandra, Vittal K.4 aut
7001 a Yano, Junko4 aut
7001 a Bergmann, Uwe4 aut
7102 a Stockholms universitetb Fysikum4 org
7730 t Proceedings of the National Academy of Sciences of the United States of Americad : Proceedings of the National Academy of Sciencesg 109:47, s. 19103-19107q 109:47<19103-19107x 0027-8424x 1091-6490
8564 u https://doi.org/10.1073/pnas.1211384109y Fulltext
8564 u https://www.pnas.org/content/pnas/109/47/19103.full.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-85530
8564 8u https://doi.org/10.1073/pnas.1211384109
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-61397
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-232841

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