Pigeau, R., Hoffmann, R., Purcell, S., Moffitt, A.
Data are presented which suggests that degree of Hemispherica alpha asymmetry (for tasks hypothesized to induce such asymmetries) is related to resting eyes closed endogenous alpha activity. Also, it...
Scaling study of dynamical smeared-link clover fermions (2008)
Durr, S., Fodor, Z., Hoelbling, C., Hoffmann, R., Katz, S. D., Krieg, S., ...
We present a framework for phenomenological lattice QCD calculations which makes use of a tree-level Symanzink improved action for gluons and stout-link Wilson fermions. We give details of our...
Different modes of human papillomavirus DNA replication during maintenance (2008)
Hoffmann, R., Hirt, B., Bechtold, V., Beard, P., Raj, K.
Human papillomavirus (HPV) begins its life cycle by infecting the basal cells of the epithelium. Within these proliferating cells, the viral genomes are replicated, maintained, and passed on to the...
Kaneko, Takashi, Aoki, S, Della Morte, M, Hashimoto, S, Hoffmann, R, Sommer, R
We perform a non-perturbative determination of the improvement coefficient c_A to remove O(a) discretization errors in the axial vector current in three-flavor lattice QCD with the Iwasaki gauge...
Kaneko, T., Aoki, S., Della Morte, M., Hashimoto, S., Hoffmann, R., Sommer, R.
We perform a non-perturbative determination of the improvement coefficient c_A to remove O(a) discretization errors in the axial vector current in three-flavor lattice QCD with the Iwasaki gauge...
Nanomechanical properties of bioinspired organic-inorganic composite films (2007)
Burghard, Z., Tucic, A., Jeurgens, L. P. H., Hoffmann, R., Bill, J., Aldinger, F.
T. Kaneko, S. Aoki, M. Della Morte, S. Hashimoto, R. Hoffmann, ...
Journal article
Thin film formation by oriented attachment of polymer-capped nanocrystalline ZnO (2006)
Lipowsky, P., Jia, S., Hoffmann, R., Jin-Phillipp, N. Y., Bill, J., Rühle, M.
Frolov, A., Hoffmann, Peter, Hoffmann, R.
Andrej Frolov, Peter Hoffmann, Ralf Hoffmann
Neighbored phosphorylation sites as PHF-tau specific markers in Alzheimer's disease (2006)
Singer, D., Lehmann, J., Hanisch, K., Härtig, W., Hoffmann, R.
Quark condensate in one-flavor QCD. (2006)
T. DeGrand, R. Hoffmann, S. Schaefer, Z. Liu
Journal article
Frolov, A., Hoffmann, Peter, Hoffmann, R.
Andrej Frolov, Peter Hoffmann, Ralf Hoffmann
Normal ranges for automated analysis of global LV function using 2D strain (2006)
Marwick, T. H., Leano, R. L., Sun, J. P., Becker, M., Hoffmann, R., Thomas, J. D.
Chiral properties of dynamical Wilson fermions (2005)
We consider two-flavor QCD in the lattice regularization with improved Wilson fermions. In this formulation chiral symmetry is explicitly broken at order a and hence the isovector axial currents...
Síntese do espinélio MgAl2O4 via "sol-gel" (2005)
Heck,A. L., Taffarel,S. R., Hoffmann,R., Portugal Jr.,U. L., Jahn,S. L., Foletto,E. L.
O espinélio aluminato de magnésio MgAl2O4 é um material que apresenta uma combinação de propriedades de grande interesse tecnológico, tais como alto ponto de fusão (2135 ºC), alta...
A method is presented for approximately determining the temperatures and thermal stresses in structural members under given edge conditions and in an unsteady temperature field. The method is based...
Klassifikation technischer Signale für die Geräuschdiagnose von Maschinen und Bauteilen (2005)
Tschöpe, C., Hirschfeld, D., Hoffmann, R., Hentschel, D., Frankenstein, B.
For analysis and evaluation of acoustical signals from technical processes different approaches are used. In the field of non-destructive testing and acoustic diagnostics signals are increasingly...
Vorrichtung und Verfahren zur Beurteilung einer Gueteklasse eines zu pruefenden Objekts (2005)
Hentschel, D., Tschoepe, C., Hoffmann, R., Eichner, M., Wolff, M.
WO2005111598 A UPAB: 20051230 NOVELTY - A train wheel (104) quality classification (GK) unit (100) detects an acoustically generated test signal (108) and evaluates (114) it using a stochastic Markov...
A Networked FPGA-Based Hardware Implementation of a Neural Network Application (2004)
Restrepo, H. F., Hoffmann, R., Perez-Uribe, A., Teuscher, C., Sanchez, E.
Cutoff-effects in the spectrum of dynamical Wilson fermions (2004)
Della Morte, M., Hoffmann, R., Knechtli, F., Wolff, U.
We investigate the low-lying eigenvalues of the improved Wilson-Dirac operator in the Schroedinger functional with two dynamical quark flavors. At a lattice spacing of approximately 0.1 fm we find...
Kiesow, A., Teuscher, N., Heilmann, A., Meinhard, J., Hoffmann, R., Baumann, D.
Ein typischer Einsatzfall der Coronabehandlung ist die großflächige Coronabehandlung von Kunststofffolien, um z.B. eine spätere Bedruckbarkeit oder Beschichtbarkeit zu gewährleisten. Aufgrund...
Large cutoff effects of dynamical Wilson fermions (2003)
Sommer, R, Aoki, S, Della Morte, M, Hoffmann, R, Kaneko, T, Knechtli, F, ...
We present and discuss results for cutoff effects in the PCAC masses and the mass dependence of r_0 for full QCD and various fermion actions. Our discussion of how one computes mass dependences -...
Large cutoff effects of dynamical Wilson fermions (2003)
Sommer, R., Aoki, S., Della Morte, M., Hoffmann, R., Kaneko, T., Knechtli, F., ...
We present and discuss results for cutoff effects in the PCAC masses and the mass dependence of r_0 for full QCD and various fermion actions. Our discussion of how one computes mass dependences -...
Non-perturbative renormalization of the axial current with improved Wilson quarks (2003)
Hoffmann, R., Knechtli, F., Rolf, J., Sommer, R., Wolff, U.
We present a new normalization condition for the axial current, which is derived from the PCAC relation with non-vanishing mass. Using this condition reduces the O(r_0 m) corrections to the axial...
Industrielle Coronabehandlung von LDPE-Folien - Nachweismethoden der Oberflächenmodifizierung (2003)
Kiesow, A., Teuscher, N., Heilmann, A., Meinhardt, J., Hoffmann, R., Baumann, D.
Das industriell etablierte Verfahren der Coronabehandlung von Kunststoffen bewirkt während einer kurzen, aber sehr intensiven Behandlung chemische, möglicherweise auch morphologische Veränderungen...
Thin Film Synthesis of Superconducting Chemical Compounds. (2002)
Sienko,M. J., Hoffmann,R., Newman,J. A., Burlitch,J. M.
The objective of this research was to define the chemical factors that affect onset of superconductivity in ternary compounds: to determine how small changes in stoichiometry and microstructure...
C2Hn Fragments on Metal Surfaces. (2002)
The chemisorption of an acetylene (HCCH), a vinylidene (CCH2) and an ethylidyne (CCH3) on metal surfaces, especially Pt(111) is analyzed in some detail, with an emphasis on the electronic...
Gender and age effects on slow-wave activity in childhood and adolescent depression (2002)
Armitage, R, Emslie, G, Hoffmann, R, Rintelmann, J, Moore, J, Kerley, E
Peer Reviewed
Hoffmann, R., Marwick, T. H., Poldermans, D., Lethen, H., Ciani, R., ...
Aims To determine the degree of inter-institutional agreement in the assessment of dobutamine stress echocardiograms using modern stress echo cardiographic technology in combination with standardized...
The Static Potential with Hypercubic Blocking (2001)
Hasenfratz, A., Hoffmann, R., Knechtli, F.
We measure the static potential from Wilson loops constructed using hypercubic blocked (HYP) links. The HYP potential agrees with the potential measured using thin links for distances r/a>=2. We...
Insect peptides with improved protease-resistance protect mice against bacterial infection (2000)
Otvos, L. J., Bokonyi, K., Varga, I., Otvos, B. I., Hoffmann, R., Ertl, H. C. J., ...
At a time of the emergence of drug-resistant bacterial strains, the development of antimicrobial compounds with novel mechanisms of action is of considerable interest. Perhaps the most promising...
Role of phosphorylation in the conformation of tau peptides implicated in Alzheimer's disease (2000)
Daly, N. L., Hoffmann, R., Otvos, L. J., Craik, D. J.
A series of peptides corresponding to isolated regions of Tau (tau) protein have been synthesized and their conformations determined by H-1 NMR spectroscopy. Immunodominant peptides corresponding to...
Fahrzeugdesign und Umweltrelevanz - Erfahrungen mit Life Cycle Engineering (1999)
Saur, K., Stichling, J., Hoffmann, R., Finkbeiner, M., Eyerer, P.
Multilingual speech synthesis for car application (1999)
Hoffmann, R., Kordon, U., Netz, S.
Speech synthesis in cars will be necessary for comfortable user asistance, traffic information systems, telephone applications, ect. The paper discusses the typical requirements in this application...
Hoffmann, R, Otvos, L, McManus, AM, Craik, DJ
Drosocin is a cationic 19 amino acid peptide secreted by Drosophila in response to septic injury. The sequence (GKPRPYSPRPTSHPRPIRV) contains six Pro and four Arg residues which are incorporated into...
Hoffmann, R., Craik, D. J., Bokonyi, K., Varga, I., Otvos, L. J.
An increased degree of utilization of the potential N-glycosylation site In the fourth repeat unit of the human tau protein may be involved in the inability of tau to bind to the corresponding...
Cudic, M., Bulet, P., Hoffmann, R., Craik, D. J., Otvos, L. J.
The small amounts of antibacterial peptides that can be isolated from insects do not allow detailed studies of their range of activity, side-chain sugar requirements, or their conformation, factors...
McManus, AM, Otvos, L, Hoffmann, R, Craik, DJ
Drosocin is a cationic 19 amino acid peptide secreted by Drosophila in response to septic injury. The sequence (GKPRPYSPRPTSHPRPIRV) contains six Pro and four Arg residues which are incorporated into...
The Role of Surface Bonding on Liquid Crystal Orientational Ordering at Metal Surfaces. (1998)
Sanda, P. N., Dove, D. B., Ong, H. L., Jansen, S. A., Hoffmann, R.
The alignment of a nematic liquid crystal, 4'-n-pentyl-4-cyanobiphenyl (5CB), on several smooth metal (chromium, copper, silver, and gold) surfaces was observed experimentally. Perpendicular...
The Absorption of Benzotriazole on Copper and Cuprous Oxide. (1998)
Zonnevylle, M. C., Hoffmann, R.
A brief account is given of the bonding of benzotriazole to a model of a Cu(III) surface. Perpendicular adsorption is favored over parallel, and an oxidized surface exhibits heightened...
Adsorption and Coadsorption of CO and NO on the RH(100) Surface. A Theoretical Analysis. (1998)
Vuckovic, D. L., Jansen, S. A., Hoffmann, R.
The adsorption of Carbon monoxide, nitricoxide and their coadsorption on the Rh (100) surface are discussed in terms of extended Huckel/tight binding calculations. Experimentally, it is not easy to...
Adsorption and Reactions of Cyclic Sulfides on Mo(110). (1998)
Calhorda, M. J., Hoffmann, R., Friend, C. M.
Molecular orbital calculations of the chemisorption and reactivity of ethylene sulfide and trimethylene sulfide on molybdenum (110) are presented, and compared to similar binding in model discrete Mo...
Oxygen Transfer to Ethylene Catalyzed by the AG(110) Surface. (1998)
Jorgensen, K. A., Hoffmann, R.
The silver surface catalyzed epoxidation of ethylene using molecular oxygen as an oxygen donor been studied using extended Huckel calculations. Five types of absorbed molecular oxygen on an Ag(110)...
The Parallel Program Development Environment CDL/ACL for Cellular Processing (1998)
C. Hochberger, R. Hoffmann, R. Schneider
Cellular processing is a simple yet attractive model for parallel processing. First we will give a short introduction to cellular processing, then we will describe the two main elements of a...
The Parallel Program Development Environment CDL/ACL for Cellular Processing (1998)
C. Hochberger, R. Hoffmann, R. Schneider
Cellular processing is a simple yet attractive model for parallel processing. First we will give a short introduction to cellular processing, then we will describe the two main elements of a...
An Optimization Strategy for Cellular Processing (1998)
R. Schneider, R. Hoffmann, C. Hochberger
When massively parallel processing comes to mind, Cellular Processing and run time optimization seem to stand on opposite sides. Normally, Cellular Processing is not considered as an application...
Solving Routing Problems with Cellular Automata (1998)
New variants of the classical Lee algorithm for the routing of connections on printed circuits or chips have been found when mapping it onto the cellular processing model. Two cellular algorithms are...
Hardware Supported Simulation System for Graph Based and 3D Cellular Processing (1998)
P. Hartmann, C. Hochberger, R. Hoffmann, R. Schneider
This paper presents results of a project in which a hardware supported simulation system for Cellular Processing (CP) is implemented. For three dimensional regular CP the hardware architecture, the...
An Optimization Strategy for Cellular Processing (1998)
R. Schneider, R. Hoffmann, C. Hochberger
When massively parallel processing comes to mind, Cellular Processing and run time optimization seem to stand on opposite sides. Normally, Cellular Processing is not considered as an application...
Fahrzeugdesign und Umweltrelevanz - Erfahrungen mit Life Cycle Engineering (1998)
Hoffmann, R., Stichling, J., Finkbeiner, M., Saur, K., Eyerer, P.
Fahrzeugdesign und Umweltrelevanz - Erfahrungen mit Life Cycle Engineering (1998)
Saur, K., Stichling, J., Hoffmann, R., Finkbeiner, M., Eyerer, P.
Saur, K., Hoffmann, R., Gabriel, R., Eyerer, P., Hirth, T., ...
The spatial dimension in life cycle assessments (1998)
Finkbeiner, M., Saur, K., Hoffmann, R., Gediga, J., Kreißig, J., Eyerer, P.
How to handle uncertainties and assumptions in interpreting LCA results (1998)
Saur, K., Finkbeiner, M., Hoffmann, R., Eyerer, P., Schöch, H., Beddies, H.
Hoffmann, R, Craik, DJ, Pierens, G, Bolger, RE, Otvos, L
Phosphorylation of the tumor suppressor p53 is generally thought to modify the properties of the protein in four of its five independent domains. We used synthetic peptides to directly study the...
Avouris, Ph., Lyo, I. W., Bozso, F., Schubert, B., Hoffmann, R.
The capability of the scanning tunneling microscopy (STM) and spectroscopy (STS) to probe the topography and electronic structure of surfaces and adsorbate layers with atomic resoLution makes it a...
Hoffmann, R., Gebhardt, W., Walte, F.
Technik und Prüffunktionen des ARGUS-Phased-Array-Systems werden vorgestellt und die Erfahrungen aus bisherigen Einsätzen werden diskutiert. Das Gerät besteht aus zwei Moduln, welche ihrerseits je...
Zur Problematik der Tiefenbestimmung von Oberflächenrissen mit Ultraschallprüfköpfen (1990)
Hoffmann, R., Gebhardt, W., Walte, F.
Die für die Innenprüfung auf senkrecht zur Prüffläche ausgerichtete Risse entwickelten L.L.T-Prüfköpfe wurden zur Bestimmung der Tiefenausdehnung von Oberlächenrissen modifiziert und in einem...
Zur Problematik der Teifenvermessung von Oberflächenrissen mit Ultraschallprüfköpfen (1990)
Hoffmann, R., Gebhardt, W., Walte, F.
Zur Detektion von Oberflächenrissen werden heute unter anderem Ultraschallprüftechniken eingesetzt. Für die Inspektion der prüfkopffernen Oberfläche ist dies die 45 Grad-...