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Showing 1 to 12 of 24 entries
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Maximum compaction of ionic organic explosives: bis(hydroxylammonium) 5,5'-dinitromethyl-3,3'-bis(1,2,4-oxadiazolate) and its derivatives.

Chemistry (Weinheim an der Bergstrasse, Germany)

Klapötke TM, Mayr N, Stierstorfer J, Weyrauther M.
PMID: 24375638
Chemistry. 2014 Jan 27;20(5):1410-7. doi: 10.1002/chem.201303825. Epub 2013 Dec 27.

Within this contribution on bis(oxadiazoles) we report on bis-hydroxylammonium 5,5'-dinitro-methyl-3,3'-bis(1,2,4-oxadiazolate), which (to the best of our knowledge) shows the highest density (2.00 g cm(-3) at 92 K, 1.95 g cm(-3) at RT) ever reported for an ionic CHNO explosive....

The Mn(2+)/Mn(3+) state of La0.7Ce0.3MnO3 by oxygen reduction and photodoping.

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

Thiessen A, Beyreuther E, Grafström S, Dörr K, Werner R, Kleiner R, Koelle D, Eng LM.
PMID: 24389924
J Phys Condens Matter. 2014 Jan 29;26(4):045502. doi: 10.1088/0953-8984/26/4/045502. Epub 2014 Jan 06.

Films of cerium-doped LaMnO3, which has been intensively discussed as an electron-doped counterpart to hole-doped mixed-valence lanthanum manganites during the past decade, were analyzed by x-ray photoemission spectroscopy with respect to their manganese valence under photoexcitation. The comparative analysis...

Spectral and spatial shaping of laser-driven proton beams using a pulsed high-field magnet beamline.

Scientific reports

Brack FE, Kroll F, Gaus L, Bernert C, Beyreuther E, Cowan TE, Karsch L, Kraft S, Kunz-Schughart LA, Lessmann E, Metzkes-Ng J, Obst-Huebl L, Pawelke J, Rehwald M, Schlenvoigt HP, Schramm U, Sobiella M, Szabó ER, Ziegler T, Zeil K.
PMID: 32499539
Sci Rep. 2020 Jun 04;10(1):9118. doi: 10.1038/s41598-020-65775-7.

Intense laser-driven proton pulses, inherently broadband and highly divergent, pose a challenge to established beamline concepts on the path to application-adapted irradiation field formation, particularly for 3D. Here we experimentally show the successful implementation of a highly efficient (50%...

Late Side Effects in Normal Mouse Brain Tissue After Proton Irradiation.

Frontiers in oncology

Suckert T, Beyreuther E, Müller J, Azadegan B, Meinhardt M, Raschke F, Bodenstein E, von Neubeck C, Lühr A, Krause M, Dietrich A.
PMID: 33520710
Front Oncol. 2021 Jan 11;10:598360. doi: 10.3389/fonc.2020.598360. eCollection 2020.

Radiation-induced late side effects such as cognitive decline and normal tissue complications can severely affect quality of life and outcome in long-term survivors of brain tumors. Proton therapy offers a favorable depth-dose deposition with the potential to spare tumor-surrounding...

Amyloid Abeta levels in Alzheimer's disease - A diagnostic tool and the key to understanding the natural history of Abeta?.

Journal of Alzheimer's disease : JAD

McLean CA, Beyreuther K, Masters CL.
PMID: 12214051
J Alzheimers Dis. 2001 Jun;3(3):305-312. doi: 10.3233/jad-2001-3305.

The biogenesis and degradation/clearance of Abeta amyloid lies at the centre of the pathogenesis of Alzheimer's disease. Quantification of the various metabolic pools of Abeta in the brains and in the periphery may aid in diagnosis, prognosis and the...

Applying Tissue Slice Culture in Cancer Research-Insights from Preclinical Proton Radiotherapy.

Cancers

Suckert T, Rassamegevanon T, Müller J, Dietrich A, Graja A, Reiche M, Löck S, Krause M, Beyreuther E, von Neubeck C.
PMID: 32560230
Cancers (Basel). 2020 Jun 16;12(6). doi: 10.3390/cancers12061589.

A challenge in cancer research is the definition of reproducible, reliable, and practical models, which reflect the effects of complex treatment modalities and the heterogeneous response of patients. Proton beam radiotherapy (PBRT), relative to conventional photon-based radiotherapy, offers the...

Cowpea mosaic virus VPg: sequencing of radiochemically modified protein allows mapping of the gene on B RNA.

The EMBO journal

Zabel P, Moerman M, Lomonossoff G, Shanks M, Beyreuther K.
PMID: 16453534
EMBO J. 1984 Jul;3(7):1629-34.

A partial amino acid sequence of cowpea mosaic virus (CPMV) VPg radiochemically modified by chloramine-T and Bolton-Hunter reagent has been determined. VPg covalently bound to viral RNA chains (VPg-RNA) was iodinated with chloramine-T and Bolton-Hunter reagent to label tyrosine...

Comparative Proton and Photon Irradiation Combined with Pharmacological Inhibitors in 3D Pancreatic Cancer Cultures.

Cancers

Görte J, Beyreuther E, Danen EHJ, Cordes N.
PMID: 33142778
Cancers (Basel). 2020 Oct 31;12(11). doi: 10.3390/cancers12113216.

Pancreatic ductal adenocarcinoma (PDAC) is a highly therapy-resistant tumor entity of unmet needs. Over the last decades, radiotherapy has been considered as an additional treatment modality to surgery and chemotherapy. Owing to radiosensitive abdominal organs, high-precision proton beam radiotherapy...

Optical-field driven charge-transfer modulations near composite nanostructures.

Nature communications

Lee KJ, Beyreuther E, Jalil SA, Kim SJ, Eng LM, Guo C, André P.
PMID: 33262344
Nat Commun. 2020 Dec 01;11(1):6150. doi: 10.1038/s41467-020-19423-3.

Optical activation of material properties illustrates the potentials held by tuning light-matter interactions with impacts ranging from basic science to technological applications. Here, we demonstrate for the first time that composite nanostructures providing nonlocal environments can be engineered to...

Correction: Görte et al. Comparative Proton and Photon Irradiation Combined with Pharmacological Inhibitors in 3D Pancreatic Cancer Cultures. .

Cancers

Görte J, Beyreuther E, Danen EHJ, Cordes N.
PMID: 34282783
Cancers (Basel). 2021 Jul 05;13(13). doi: 10.3390/cancers13133364.

The authors wish to make the following corrections to this paper [...].

Unusual cardioactive peptide (CCAP) from pericardial organs of the shore crab Carcinus maenas.

Proceedings of the National Academy of Sciences of the United States of America

Stangier J, Hilbich C, Beyreuther K, Keller R.
PMID: 16593803
Proc Natl Acad Sci U S A. 1987 Jan;84(2):575-9. doi: 10.1073/pnas.84.2.575.

An unusual crustacean cardioactive peptide (CCAP) from the pericardial organs of the shore crab Carcinus maenas has been purified to homogeneity by a two-step reversed-phase HPLC procedure. Manual microsequencing using the 4-(N,N-dimethylamino)azobenzene 4'-isothiocyanate/phenylisothiocyanate double-coupling technique and automated gas-phase sequencing...

Large photoconductivity of oxygen-deficient La(0.7)Ca(0.3)MnO(3)/SrTiO(3) heterostructures.

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

Beyreuther E, Thiessen A, Grafström S, Dörr K, Eng LM.
PMID: 21393673
J Phys Condens Matter. 2010 May 05;22(17):175506. doi: 10.1088/0953-8984/22/17/175506. Epub 2010 Apr 12.

The electrical resistance of stoichiometric and oxygen-deficient epitaxial 10 nm thick La(0.7)Ca(0.3)MnO(3) thin films on SrTiO(3) under photoexcitation covering the visible to the ultraviolet range has been investigated systematically as a function of illumination intensity, wavelength and temperature. In...

Showing 1 to 12 of 24 entries