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Showing 1 to 12 of 176 entries
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Role of entropy in the thermodynamic evolution of the time scale of molecular dynamics near the glass transition.

Physical review. E, Statistical, nonlinear, and soft matter physics

Grzybowska K, Grzybowski A, Pawlus S, Pionteck J, Paluch M.
PMID: 26172717
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Jun;91(6):062305. doi: 10.1103/PhysRevE.91.062305. Epub 2015 Jun 15.

In this paper, we investigate how changes in the system entropy influence the characteristic time scale of the system molecular dynamics near the glass transition. Independently of any model of thermodynamic evolution of the time scale, against some previous...

Electric polarization switching in an atomically thin binary rock salt structure.

Nature nanotechnology

Martinez-Castro J, Piantek M, Schubert S, Persson M, Serrate D, Hirjibehedin CF.
PMID: 29062066
Nat Nanotechnol. 2018 Jan;13(1):19-23. doi: 10.1038/s41565-017-0001-2. Epub 2017 Oct 23.

Inducing and controlling electric dipoles is hindered in the ultrathin limit by the finite screening length of surface charges at metal-insulator junctions

HNSCC cells resistant to EGFR pathway inhibitors are hypermutated and sensitive to DNA damaging substances.

American journal of cancer research

Schulz D, Wirth M, Piontek G, Buchberger AM, Schlegel J, Reiter R, Multhoff G, Pickhard A.
PMID: 27725902
Am J Cancer Res. 2016 Sep 01;6(9):1963-1975. eCollection 2016.

Despite remarkable successes with targeted therapies in the treatment of cancer, resistance can occur which limits the clinical outcome. In this study, we generated and characterized resistant cell clones derived from two different head and neck squamous cell carcinoma...

High pressure as a key factor to identify the conductivity mechanism in protic ionic liquids.

Physical review letters

Wojnarowska Z, Wang Y, Pionteck J, Grzybowska K, Sokolov AP, Paluch M.
PMID: 24329456
Phys Rev Lett. 2013 Nov 27;111(22):225703. doi: 10.1103/PhysRevLett.111.225703. Epub 2013 Nov 26.

In this Letter we report the relation between ionic conductivity and structural relaxation in supercooled protic ionic liquids (PILs) under high pressure. The results of high-pressure dielectric and volumetric measurements, combined with rheological and temperature-modulated differential scanning calorimetry experiments,...

HNO

Plontke S, Scheiderbauer H, Vonthein R, Plinkert PK, Löwenheim H, Zenner HP.
PMID: 28271244
HNO. 2003 Mar;51(3):245-250. doi: 10.1007/s00106-003-0808-z.

No abstract available.

Free volume of an epoxy resin and its relation to structural relaxation: evidence from positron lifetime and pressure-volume-temperature experiments.

Physical review. E, Statistical, nonlinear, and soft matter physics

Dlubek G, Hassan EM, Krause-Rehberg R, Pionteck J.
PMID: 16605550
Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Mar;73(3):031803. doi: 10.1103/PhysRevE.73.031803. Epub 2006 Mar 03.

The microstructure of the free volume and its temperature dependence in the epoxy resin diglycidyl ether of bisphenol-A (DGEBA) have been examined using positron annihilation lifetime spectroscopy (PALS, 80-350K, 10(-5) Pa) and pressure-volume-temperature (PVT, 293-470 K, 0.1-200MPa) experiments. Employing...

Magnetic domain coupling study in single-crystalline Fe/CoO bilayers.

Journal of physics. Condensed matter : an Institute of Physics journal

Miguel J, Abrudan R, Bernien M, Piantek M, Tieg C, Kirschner J, Kuch W.
PMID: 21825450
J Phys Condens Matter. 2009 May 06;21(18):185004. doi: 10.1088/0953-8984/21/18/185004. Epub 2009 Mar 11.

We report on a study of the magnetic domain coupling in epitaxial wedge-shaped Fe layers deposited onto CoO/Ag(001). By using photoelectron emission microscopy (PEEM) in combination with x-ray magnetic circular and linear dichroism (XMCD, XMLD), we imaged the ferromagnetic...

N(1520) 3/2(-) helicity amplitudes from an energy-independent multipole analysis based on new polarization data on photoproduction of neutral pions.

Physical review letters

Hartmann J, Dutz H, Anisovich AV, Bayadilov D, Beck R, Becker M, Beloglazov Y, Berlin A, Bichow M, Böse S, Brinkmann KT, Crede V, Dieterle M, Eberhardt H, Elsner D, Fornet-Ponse K, Friedrich S, Frommberger F, Funke Ch, Gottschall M, Gridnev A, Grüner M, Gutz E, Hammann Ch, Hannappel J, Hannen V, Herick J, Hillert W, Hoffmeister P, Honisch Ch, Jahn O, Jude T, Käser A, Kaiser D, Kalinowsky H, Kalischewski F, Klassen P, Keshelashvili I, Klein F, Klempt E, Koop K, Krusche B, Kube M, Lang M, Lopatin I, Makonyi K, Messi F, Metag V, Meyer W, Müller J, Nanova M, Nikonov V, Novinski D, Novotny R, Piontek D, Rosenbaum C, Roth B, Reicherz G, Rostomyan T, Sarantsev A, Schmidt Ch, Schmieden H, Schmitz R, Seifen T, Sokhoyan V, Thämer P, Thiel A, Thoma U, Urban M, van Pee H, Walther D, Wendel Ch, Wiedner U, Wilson A, Winnebeck A, Witthauer L, Wunderlich Y.
PMID: 25148317
Phys Rev Lett. 2014 Aug 08;113(6):062001. doi: 10.1103/PhysRevLett.113.062001. Epub 2014 Aug 04.

New data on the polarization observables T, P, and H for the reaction γp→pπ(0) are reported. The results are extracted from azimuthal asymmetries when a transversely polarized butanol target and a linearly polarized photon beam are used. The data...

Dibenzo crown ether layer formation on muscovite mica.

Langmuir : the ACS journal of surfaces and colloids

de Poel W, Pintea S, de Jong A, Drnec J, Carlà F, Felici R, op den Camp H, Elemans JA, van Enckevort WJ, Rowan AE, Vlieg E.
PMID: 25263250
Langmuir. 2014 Oct 28;30(42):12570-7. doi: 10.1021/la502879z. Epub 2014 Oct 16.

Stable layers of crown ethers were grown on muscovite mica using the potassium-crown ether interaction. The multilayers were grown from solution and from the vapor phase and were analyzed with atomic force microscopy (AFM), matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF)...

Time-resolved magnetization dynamics of cross-tie domain walls in permalloy microstructures.

Journal of physics. Condensed matter : an Institute of Physics journal

Miguel J, Sánchez-Barriga J, Bayer D, Kurde J, Heitkamp B, Piantek M, Kronast F, Aeschlimann M, Dürr HA, Kuch W.
PMID: 21836205
J Phys Condens Matter. 2009 Dec 02;21(49):496001. doi: 10.1088/0953-8984/21/49/496001. Epub 2009 Nov 12.

We report on a picosecond time-resolved x-ray magnetic circular dichroic-photoelectron emission microscopy study of the evolution of the magnetization components of a microstructured permalloy platelet comprising three cross-tie domain walls. A laser-excited photoswitch has been used to apply a...

Strains ofaspergillus versicolor tiraboschi synthesizing sterigmatocystin and the differentiation of mycotoxic risk dependent on their productivity in housing buildings.

Mycotoxin research

Piontek M.
PMID: 23605814
Mycotoxin Res. 2007 Mar;23(1):34-8. doi: 10.1007/BF02946022.

In biomasses from 22 moulds isolated in housing buildings a Chromatographie HPLC UV/VIS analysis was carried out to assess the production of sterigmatocystin by fungal isolates. The results are discussed with respect to mycotoxic risk for people exposed to...

Is hepatic steatosis associated with left ventricular mass index increase in the general population?.

World journal of hepatology

Piontek K, Schmidt CO, Baumeister SE, Lerch MM, Mayerle J, Dörr M, Felix SB, Völzke H.
PMID: 28740597
World J Hepatol. 2017 Jul 08;9(19):857-866. doi: 10.4254/wjh.v9.i19.857.

AIM: To investigate the association between hepatic steatosis and change in left ventricular mass index (LVMI) over five years, and examine whether systolic and diastolic blood pressures are mediators of the association between hepatic steatosis and LVMI using a...

Showing 1 to 12 of 176 entries