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  Fractal morphology, imaging and mass spectrometry of single aerosol particles in flight

Loh, N.-T.-D., Hampton, C. Y., Martin, A. V., Starodub, D., Sierra, R. G., Barty, A., et al. (2012). Fractal morphology, imaging and mass spectrometry of single aerosol particles in flight. Nature, 486(7404), 513-517. doi:10.1038/nature11222.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-1E1E-F Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-1E1F-D
Genre: Journal Article
Alternative Title : Fractal morphology, imaging and mass spectrometry of single aerosol particles in flight

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Loh, Ne-Te Duane, Author
Hampton, Christina Y., Author
Martin, Andrew V., Author
Starodub, Dmitri, Author
Sierra, Raymond G., Author
Barty, Anton, Author
Aquila, Andrew, Author
Schulz, Joachim, Author
Lomb, Lukas1, Author              
Steinbrener, Jan1, Author              
Shoeman, Robert L.1, Author              
Kassemeyer, Stephan1, Author              
Bostedt, Christoph, Author
Bozek, John, Author
Epp, Sascha W., Author
Erk, Benjamin1, Author              
Hartmann, Robert, Author
Rolles, Daniel1, Author              
Rudenko, Artem, Author
Rudek, Benedikt1, Author              
Foucar, Lutz1, Author              Kimmel, Nils, AuthorWeidenspointner, Georg, AuthorHauser, Gunter, AuthorHoll, Peter, AuthorPedersoli, Emanuele, AuthorLiang, Mengning, AuthorHunter, Mark S., AuthorGumprecht, Lars, AuthorCoppola, Nicola, AuthorWunderer, Cornelia B., AuthorGraafsma, Heinz, AuthorMaia, Filipe R. N. C., AuthorEkeberg, Tomas, AuthorHantke, Max, AuthorFleckenstein, Holger, AuthorHirsemann, Helmut, AuthorNass, Karol1, Author              White, Thomas A., AuthorTobias, H. J., AuthorFarquar, George R., AuthorBenner, W. Henry, AuthorHau−Riege, Stefan P., AuthorReich, Christian, AuthorHartmann, Andreas, AuthorSoltau, Heike, AuthorMarchesini, Stefano, AuthorBajt, Saša, AuthorBarthelmess, Miriam, AuthorBucksbaum, Phillip, AuthorHodgson, Keith O., AuthorStrüder, Lothar, AuthorUllrich, Joachim, AuthorFrank, Matthias, AuthorSchlichting, Ilme1, Author              Chapman, Henry N., AuthorBogan, Michael J., Author more..
Affiliations:
1Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Max Planck Society, ou_1497700              

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 Abstract: The morphology of micrometre−size particulate matter is of critical importance in fields ranging from toxicology to climate science, yet these properties are surprisingly difficult to measure in the particles' native environment. Electron microscopy requires collection of particles on a substrate; visible light scattering provides insufficient resolution; and X−ray synchrotron studies have been limited to ensembles of particles. 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 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, vibrational energy transfer by the hydrodynamic interaction of amino acids, and large−scale production of nanoscale structures by flame synthesis

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Language(s): eng - English
 Dates: 2012-09-162012-05-092012-06-272012-06-27
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Nature
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 486 (7404) Sequence Number: - Start / End Page: 513 - 517 Identifier: ISSN: 0028-0836
CoNE: https://pure.mpg.de/cone/journals/resource/954925427238