Sökning: WFRF:(Kimmel N.) > Fractal morphology,...
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000 | 04644naa a2200937 4500 | |
001 | oai:DiVA.org:uu-177586 | |
003 | SwePub | |
008 | 120716s2012 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-1775862 URI |
024 | 7 | a https://doi.org/10.1038/nature112222 DOI |
040 | a (SwePub)uu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Loh, N. D.4 aut |
245 | 1 0 | a Fractal morphology, imaging and mass spectrometry of single aerosol particles in flight |
264 | c 2012-06-27 | |
264 | 1 | b Springer Science and Business Media LLC,c 2012 |
338 | a print2 rdacarrier | |
520 | a The morphology of micrometre-size particulate matter is of critical importance in fields ranging from toxicology(1) to climate science(2), yet these properties are surprisingly difficult to measure in the particles' native environment. Electron microscopy requires collection of particles on a substrate(3); visible light scattering provides insufficient resolution(4); and X-ray synchrotron studies have been limited to ensembles of particles(5). Here we demonstrate an in situ method for imaging individual sub-micrometre particles to nanometre resolution in their native environment, using intense, coherent X-ray pulses from the Linac Coherent Light Source(6) free-electron laser. We introduced individual aerosol particles into the pulsed X-ray beam, which is sufficiently intense that diffraction from individual particles can be measured for morphological analysis. At the same time, ion fragments ejected from the beam were analysed using mass spectrometry, to determine the composition of single aerosol particles. Our results show the extent of internal dilation symmetry of individual soot particles subject to non-equilibrium aggregation, and the surprisingly large variability in their fractal dimensions. More broadly, our methods can be extended to resolve both static and dynamic morphology of general ensembles of disordered particles. Such general morphology has implications in topics such as solvent accessibilities in proteins(7), vibrational energy transfer by the hydrodynamic interaction of amino acids(8), and large-scale production of nanoscale structures by flame synthesis(9). | |
700 | 1 | a Hampton, C. Y.4 aut |
700 | 1 | a Martin, A. V.4 aut |
700 | 1 | a Starodub, D.4 aut |
700 | 1 | a Sierra, R. G.4 aut |
700 | 1 | a Barty, A.4 aut |
700 | 1 | a Aquila, A.4 aut |
700 | 1 | a Schulz, J.4 aut |
700 | 1 | a Lomb, L.4 aut |
700 | 1 | a Steinbrener, J.4 aut |
700 | 1 | a Shoeman, R. L.4 aut |
700 | 1 | a Kassemeyer, S.4 aut |
700 | 1 | a Bostedt, C.4 aut |
700 | 1 | a Bozek, J.4 aut |
700 | 1 | a Epp, S. W.4 aut |
700 | 1 | a Erk, B.4 aut |
700 | 1 | a Hartmann, R.4 aut |
700 | 1 | a Rolles, D.4 aut |
700 | 1 | a Rudenko, A.4 aut |
700 | 1 | a Rudek, B.4 aut |
700 | 1 | a Foucar, L.4 aut |
700 | 1 | a Kimmel, N.4 aut |
700 | 1 | a Weidenspointner, G.4 aut |
700 | 1 | a Hauser, G.4 aut |
700 | 1 | a Holl, P.4 aut |
700 | 1 | a Pedersoli, E.4 aut |
700 | 1 | a Liang, M.4 aut |
700 | 1 | a Hunter, M. M.4 aut |
700 | 1 | a Gumprecht, L.4 aut |
700 | 1 | a Coppola, N.4 aut |
700 | 1 | a Wunderer, C.4 aut |
700 | 1 | a Graafsma, H.4 aut |
700 | 1 | a Maia, F. R. N. C.4 aut |
700 | 1 | a Ekeberg, Tomasu Uppsala universitet,Molekylär biofysik4 aut0 (Swepub:uu)tomek611 |
700 | 1 | a Hantke, Maxu Uppsala universitet,Molekylär biofysik4 aut0 (Swepub:uu)maxha207 |
700 | 1 | a Fleckenstein, H.4 aut |
700 | 1 | a Hirsemann, H.4 aut |
700 | 1 | a Nass, K.4 aut |
700 | 1 | a White, T. A.4 aut |
700 | 1 | a Tobias, H. J.4 aut |
700 | 1 | a Farquar, G. R.4 aut |
700 | 1 | a Benner, W. H.4 aut |
700 | 1 | a Hau-Riege, S. P.4 aut |
700 | 1 | a Reich, C.4 aut |
700 | 1 | a Hartmann, A.4 aut |
700 | 1 | a Soltau, H.4 aut |
700 | 1 | a Marchesini, S.4 aut |
700 | 1 | a Bajt, S.4 aut |
700 | 1 | a Barthelmess, M.4 aut |
700 | 1 | a Bucksbaum, P.4 aut |
700 | 1 | a Hodgson, K. O.4 aut |
700 | 1 | a Strueder, L.4 aut |
700 | 1 | a Ullrich, J.4 aut |
700 | 1 | a Frank, M.4 aut |
700 | 1 | a Schlichting, I.4 aut |
700 | 1 | a Chapman, H. N.4 aut |
700 | 1 | a Bogan, M. J.4 aut |
710 | 2 | a Uppsala universitetb Molekylär biofysik4 org |
773 | 0 | t Natured : Springer Science and Business Media LLCg 486:7404, s. 513-517q 486:7404<513-517x 0028-0836x 1476-4687 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-177586 |
856 | 4 8 | u https://doi.org/10.1038/nature11222 |
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