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Showing 1 to 12 of 182 entries
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The definition of polytrauma revisited: An international consensus process and proposal of the new 'Berlin definition'.

The journal of trauma and acute care surgery

Pape HC, Lefering R, Butcher N, Peitzman A, Leenen L, Marzi I, Lichte P, Josten C, Bouillon B, Schmucker U, Stahel P, Giannoudis P, Balogh Z.
PMID: 25494433
J Trauma Acute Care Surg. 2014 Nov;77(5):780-786. doi: 10.1097/TA.0000000000000453.

BACKGROUND: The nomenclature for patients with multiple injuries with high mortality rates is highly variable, and there is a lack of a uniform definition of the term polytrauma. A consensus process was therefore initiated by a panel of international...

Synthesis and Three-Dimensional Magnetic Field Mapping of Co2FeGa Heusler Nanowires at 5 nm Resolution.

Nano letters

Simon P, Wolf D, Wang C, Levin AA, Lubk A, Sturm S, Lichte H, Fecher GH, Felser C.
PMID: 26674206
Nano Lett. 2016 Jan 13;16(1):114-20. doi: 10.1021/acs.nanolett.5b03102. Epub 2015 Dec 23.

We present the synthesis of Co2FeGa Heusler nanowires and the results of our investigations on their three-dimensional (3D) electric and magnetic internal and external fields mapped by electron holographic tomography (EHT). These fields will be of great importance in...

Direct Depth- and Lateral- Imaging of Nanoscale Magnets Generated by Ion Impact.

Scientific reports

Röder F, Hlawacek G, Wintz S, Hübner R, Bischoff L, Lichte H, Potzger K, Lindner J, Fassbender J, Bali R.
PMID: 26584789
Sci Rep. 2015 Nov 20;5:16786. doi: 10.1038/srep16786.

Nanomagnets form the building blocks for a variety of spin-transport, spin-wave and data storage devices. In this work we generated nanoscale magnets by exploiting the phenomenon of disorder-induced ferromagnetism; disorder was induced locally on a chemically ordered, initially non-ferromagnetic,...

Complexation of allyl radicals and hydrochloric acid in helium nanodroplets.

The journal of physical chemistry. A

Leicht D, Habig D, Schwaab G, Havenith M.
PMID: 25597230
J Phys Chem A. 2015 Feb 12;119(6):1007-12. doi: 10.1021/jp511708s. Epub 2015 Jan 28.

Infrared spectra of the allyl radical-HCl complex in superfluid helium nanodroplets have been recorded in the IR frequency range of 2750-3120 cm(-1). Six fundamental bands were observed, five of which have been assigned to the C-H stretch vibrations of...

Muonium as a shallow center in GaN.

Physical review letters

Shimomura K, Kadono R, Ohishi K, Mizuta M, Saito M, Chow KH, Hitti B, Lichti RL.
PMID: 15089625
Phys Rev Lett. 2004 Apr 02;92(13):135505. doi: 10.1103/PhysRevLett.92.135505. Epub 2004 Mar 31.

A paramagnetic muonium (Mu) state with an extremely small hyperfine parameter was observed for the first time in single-crystalline GaN below 25 K. It has a highly anisotropic hyperfine structure with axial symmetry along the direction, suggesting that it...

Iodometric standardization and biamperometric determination of iridium(IV).

Talanta

Lichtig J.
PMID: 18963305
Talanta. 1982 Nov;29(11):961-2. doi: 10.1016/0039-9140(82)80163-x.

Ir(IV) in the concentration range 0.4-0.8 g/l. can be easily determined iodometrically with 0.01M thiosulphate (starch as indicator). The relative standard deviation is 0.2-0.3%. When other coloured ions are present, biamperometric detection is recommended.

2D-mapping of dopant distribution in deep sub micron CMOS devices by electron holography using adapted FIB-preparation.

Journal of electron microscopy

Lenk A, Lichte H, Muehle U.
PMID: 16123059
J Electron Microsc (Tokyo). 2005 Aug;54(4):351-9. doi: 10.1093/jmicro/dfi055. Epub 2005 Aug 25.

Transmission electron microscopy (TEM) is a widely used tool for analysis of very large scale integrated (VLSI) semiconductor devices. As a special TEM-feature, off-axis electron holography obtains information about the electrical characteristics of a specimen, which are connected to...

The statistics of the thermal motion of the atoms during imaging process in transmission electron microscopy and related techniques.

Ultramicroscopy

Rother A, Gemming T, Lichte H.
PMID: 19027234
Ultramicroscopy. 2009 Jan;109(2):139-46. doi: 10.1016/j.ultramic.2008.08.010. Epub 2008 Sep 26.

The concern of this work is the influence of the thermal motion of the atoms on electron scattering simulations, used for quantitative interpretation of results in high-resolution electron microscopy. We distinguish between the influence of inelastic phonon excitation and...

Aberration correction and electron holography.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada

Lichte H, Linck M, Geiger D, Lehmann M.
PMID: 20598217
Microsc Microanal. 2010 Aug;16(4):434-40. doi: 10.1017/S1431927610093633. Epub 2010 Jul 05.

Electron holography has been shown to allow a posteriori aberration correction. Therefore, an aberration corrector in the transmission electron microscope does not seem to be needed with electron holography to achieve atomic lateral resolution. However, to reach a signal...

Spin polarons in the correlated metallic pyrochlore Cd2Re2O7.

Physical review letters

Storchak VG, Brewer JH, Stubbs SL, Parfenov OE, Lichti RL, Mengyan PW, He J, Bredeson I, Hitchcock D, Mandrus D.
PMID: 20868063
Phys Rev Lett. 2010 Aug 13;105(7):076402. doi: 10.1103/PhysRevLett.105.076402. Epub 2010 Aug 13.

Muon spin rotation spectroscopy reveals localized electron states in the geometrically frustrated metallic pyrochlore Cd2Re2O7 at temperatures from 2 to 300 K in transverse magnetic fields up to 7 T. Two distinctive types of localized states, with characteristic radii...

Combined use of Solitaire FR and Penumbra devices for endovascular treatment of cerebral venous sinus thrombosis in a child.

Journal of neurointerventional surgery

Shaikh H, Pukenas BA, McIntosh A, Licht D, Hurst RW.
PMID: 24565759
J Neurointerv Surg. 2015 Mar;7(3):e10. doi: 10.1136/neurintsurg-2013-011088.rep. Epub 2014 Feb 24.

A pre-teenager with newly diagnosed ulcerative colitis presented to an emergency department with acute headache, altered mental status and bilateral lower extremity weakness. Head CT demonstrated acute thrombus in the vein of Galen and straight sinus, and the patient...

Improvements to and comparison of static terrestrial LiDAR self-calibration methods.

Sensors (Basel, Switzerland)

Chow JC, Lichti DD, Glennie C, Hartzell P.
PMID: 23727956
Sensors (Basel). 2013 May 31;13(6):7224-49. doi: 10.3390/s130607224.

Terrestrial laser scanners are sophisticated instruments that operate much like high-speed total stations. It has previously been shown that unmodelled systematic errors can exist in modern terrestrial laser scanners that deteriorate their geometric measurement precision and accuracy. Typically, signalised...

Showing 1 to 12 of 182 entries