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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02771naa a2200481 4500 | |
| 001 | oai:DiVA.org:kth-134721 | |
| 003 | SwePub | |
| 008 | 131128s2013 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1347212 URI |
| 024 | 7 | a https://doi.org/10.1088/0953-4075/46/21/2151022 DOI |
| 040 | a (SwePub)kth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Itala, E.4 aut |
| 245 | 1 0 | a A comparative study of dissociation of thymidine molecules following valence or core photoionization |
| 264 | c 2013-10-28 | |
| 264 | 1 | b IOP Publishing,c 2013 |
| 338 | a print2 rdacarrier | |
| 500 | a QC 20131129 | |
| 520 | a We have studied the fragmentation of gas phase thymidine following valence and core ionization using synchrotron radiation, combined with electron energy and ion mass resolved detection in coincidence. To identify certain fragment masses C-13 labelled thymidine was also used. We find that in large part, the photofragmentation of thymidine can be described as separated thymine and 2-deoxy-D-ribose cations. However, also the intact thymidine radical cation, formation of intact base and sugar cations from glycosidic bond cleavage and several new thymidine-specific fragments are observed after valence ionization. Conversely, at the photoionization of C 1s electrons neither parent thymidine cations nor any fragments above 55 amu were detected, and only ion pairs with small masses survive core ionization, Auger decay and the subsequent Coulomb separation of the DNA sub-unit. This demonstrates the genotoxic nature of soft x-rays which in cells induce complex clustered damage similar to those yielded by heavy particles. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng |
| 653 | a Electron-Impact | |
| 653 | a Gas-Phase | |
| 653 | a 2-Deoxy-D-Ribose Molecules | |
| 653 | a Coincidence Technique | |
| 653 | a Triple Coincidence | |
| 653 | a Condensed-Phase | |
| 653 | a Fragmentation | |
| 653 | a Ionization | |
| 653 | a Uracil | |
| 653 | a Photofragmentation | |
| 700 | 1 | a Huels, M. A.4 aut |
| 700 | 1 | a Rachlew, Elisabethu KTH,Atom- och molekylfysik4 aut0 (Swepub:kth)u12i3o9i |
| 700 | 1 | a Kooser, K.4 aut |
| 700 | 1 | a Hagerth, T.4 aut |
| 700 | 1 | a Kukk, E.4 aut |
| 710 | 2 | a KTHb Atom- och molekylfysik4 org |
| 773 | 0 | t Journal of Physics Bd : IOP Publishingg 46:21, s. 215102-q 46:21<215102-x 0953-4075x 1361-6455 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134721 |
| 856 | 4 8 | u https://doi.org/10.1088/0953-4075/46/21/215102 |
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