Christian Hoffmann

Studie zur Langzeitwirkung subkutaner Immuntherapie bei Allergikern (2009)

Hoffmann, Christian

Ziel der Arbeit war, die Langzeitwirkung der subkutanen Immuntherapie bei Allergien zu untersuchen. Zu diesem Zweck wurden retrospektiv im Telefon-Interview durch Selbsteinschätzung verschiedene...

Fast computation of interlace polynomials on graphs of bounded treewidth (2009)

Bläser, Markus, Hoffmann, Christian

We consider the multivariate interlace polynomial introduced by Courcelle (2008), which generalizes several interlace polynomials defined by Arratia, Bollobas and Sorkin (2004) and by Aigner and van...

Etude du transport électronique dans des jonctions hybrides supraconducteur - métal normal par des mesures de bruit en courant (2008)

Hoffmann, Christian

La combinaison des mesures de bruit en courant et de conductance représente un moyen très puissant pour comprendre le transport électronique à l'échelle mésoscopique. Cette thèse illustre...

ON THE COMPLEXITY OF THE INTERLACE POLYNOMIAL (2008)

Markus Bl, Christian Hoffmann

Abstract. We consider the two-variable interlace polynomial introduced by Arratia, Bollobás and Sorkin (2004). We develop two graph transformations which allow us to derive point-to-point reductions...

On the Complexity of the Interlace Polynomial (2008)

Bläser, Markus, Hoffmann, Christian

We consider the two-variable interlace polynomial introduced by Arratia, Bollobàs and Sorkin (2004). We develop two graph transformations which allow us to derive point-to-point reductions for the...

On the Complexity of the Interlace Polynomial (2008)

Bläser, Markus, Hoffmann, Christian

We consider the two-variable interlace polynomial introduced by Arratia, Bollobàs and Sorkin (2004). We develop two graph transformations which allow us to derive point-to-point reductions for the...

of the 3 rd International Modelica Conference, (2008)

Peter Fritzson (editor, Christian Hoffmann, Jens Kahler, Hilding Elmqvist, Dynasim Ab, Oberpfaffenhofen Germany, ...

Object-oriented simulation of energy supply systems on the basis of renewable energy pp. 189-196

The Macaque Gut Microbiome in Health, Lentiviral Infection, and Chronic Enterocolitis (2008)

Philip McKenna, Christian Hoffmann, Nana Minkah, Pyone Pyone Aye, Andrew Lackner, Zongzhi Liu, ...

The vertebrate gut harbors a vast community of bacterial mutualists, the composition of which is modulated by the host immune system. Many gastrointestinal (GI) diseases are expected to be associated...

A Most General Edge Elimination Polynomial - Thickening of Edges (2008)

Hoffmann, Christian

We consider a graph polynomial \xi(G;x,y,z) introduced by Averbouch, Godlin, and Makowsky (2007). This graph polynomial simultaneously generalizes the Tutte polynomial as well as a bivariate...

Large bolometer arrays with superconducting NbSi sensors for future space experiments (2008)

Pajot, F., Atik, Y., Evesque, C., Lefranc, S., Leriche, B., ...

New techniques in microelectronics allow to build large arrays of bolometers filling the focal plane of submillimeter and millimeter telescopes. The expected sensitivity increase is the key for the...

Large bolometer arrays with superconducting NbSi sensors for future space experiments (2008)

Pajot, F., Atik, Y., Evesque, C., Lefranc, S., Leriche, B., ...

New techniques in microelectronics allow to build large arrays of bolometers filling the focal plane of submillimeter and millimeter telescopes. The expected sensitivity increase is the key for the...

On the Complexity of the Interlace Polynomial (2008)

Bläser, Markus, Hoffmann, Christian

We consider the two-variable interlace polynomial introduced by Arratia, Bollobàs and Sorkin (2004). We develop two graph transformations which allow us to derive point-to-point reductions for the...

On the Complexity of the Interlace Polynomial (2008)

Bläser, Markus, Hoffmann, Christian

We consider the two-variable interlace polynomial introduced by Arratia, Bollobàs and Sorkin (2004). We develop two graph transformations which allow us to derive point-to-point reductions for the...

Large bolometer arrays with superconducting NbSi sensors for future space experiments (2008)

Pajot, F., Atik, Y., Evesque, C., Lefranc, S., Leriche, B., ...

New techniques in microelectronics allow to build large arrays of bolometers filling the focal plane of submillimeter and millimeter telescopes. The expected sensitivity increase is the key for the...

Evanescent field Sensors Based on Tantalum Pentoxide Waveguides – A Review (2008)

Katrin Schmitt, Kerstin Oehse, Gerd Sulz, Christian Hoffmann

Evanescent field sensors based on waveguide surfaces play an important rolewhere high sensitivity is required. Particularly tantalum pentoxide (Ta2O5) is a suitablematerial for thin-film waveguides...

10. On the Complexity of the Interlace Polynomial (2008)

Bläser, Markus, Hoffmann, Christian

We consider the two-variable interlace polynomial introduced by Arratia, Bollob`as and Sorkin (2004). We develop two graph transformations which allow us to derive point-to-point reductions for the...

Impact of CYP2B6 983T>C polymorphism on non-nucleoside reverse transcriptase inhibitor plasma concentrations in HIV-infected patients (2008)

Wyen, Christoph, Hendra, Heidy, Vogel, Martin, Hoffmann, Christian, Knechten, Heribert, Brockmeyer, Norbert H., ...

Objectives The aim of this study was to investigate the frequency of CYP2B6 polymorphisms (according to ethnicity) and the influence of heterozygosity and homozygosity on plasma concentrations of...

Selected Aspects of Agro-structural Change within the Alps (2007)

Flavio V. Ruffini, Thomas Streifeneder, Ulrike Tappeiner, Gottfried Tappeiner, Christian Hoffmann

La région couverte par la Convention alpine a connu un recul important des exploitations agricoles (– 40 %) entre 1980 et 2000. Des régions stables (Autriche, Suisse) côtoient des régions...

Éclairage sur les transformations des structures agricoles dans les Alpes (2007)

Flavio V. Ruffini, Thomas Streifeneder, Ulrike Tappeiner, Gottfried Tappeiner, Christian Hoffmann

La région couverte par la Convention alpine a connu un recul important des exploitations agricoles (– 40 %) entre 1980 et 2000. Des régions stables (Autriche, Suisse) côtoient des régions...

YBCO-Dauerbeschichtung auf sehr großen Flächen (2007)

Hoffmann, Christian

In der Arbeit wird eine Apparatur zur kontinuierlichen Herstellung von YBCO-Dünnschichten beschrieben. Die Abscheidung erfolgt auf Substratplatten der Größe 10 x 20 cm, die während der...

On the Complexity of the Interlace Polynomial (2007)

Bläser, Markus, Hoffmann, Christian

We consider the two-variable interlace polynomial introduced by Arratia, Bollobas and Sorkin (2004). We develop graph transformations which allow us to derive point-to-point reductions for the...

DNA bar coding and pyrosequencing to identify rare HIV drug resistance mutations (2007)

Hoffmann, Christian, Minkah, Nana, Leipzig, Jeremy, Wang, Gary, Arens, Max Q., Tebas, Pablo, ...

Treatment of HIV-infected individuals with antiretroviral agents selects for drug-resistant mutants, resulting in frequent treatment failures. Although the major antiretroviral resistance mutations...

Fahrzeugdetektion durch Fusion monoskopischer Videomerkmale (2007)

Hoffmann, Christian

Die vorliegende Arbeit beschreibt ein Verfahren zur Fahrzeugdetektion anhand monoskopischer Videomerkmale. Aus den Bildern einer im Fahrzeug angebrachten Videokamera werden charakteristische Merkmale...

Electric Field Control of Spin Transport (2005)

Sahoo, Sangeeta, Kontos, Takis, Furer, Jürg, Hoffmann, Christian, Gräber, Matthias, Cottet, Audrey, ...

Spintronics is an approach to electronics in which the spin of the electrons is exploited to control the electric resistance R of devices. One basic building block is the spin-valve, which is formed...

Modelling the field behaviour of a granular expansive barrier (2005)

Alonso, Eduardo (Alonso Pérez De Agreda), Hoffmann, Christian

The large scale ‘‘Engineered Barrier’’ (EB) experiment, performed at the Mont Terri Underground Laboratory is described. A coupled hydromechanical model is then used to simulate the test...

Hydro-mechanical behaviour of bentonite pellet mixtures (2005)

Hoffmann, Christian, Alonso, Eduardo (Alonso Pérez De Agreda), Romero Morales, Enrique

Granular mixtures made of high-density pellets of bentonite are being evaluated as an alternative buffer material for waste isolation. Ease of handling is an often-mentioned advantage. The paper...

Modelling the field behaviour of a granular expansive barrier (2005)

Alonso, Eduardo (Alonso Pérez De Agreda), Hoffmann, Christian

The large scale ‘‘Engineered Barrier’’ (EB) experiment, performed at the Mont Terri Underground Laboratory is described. A coupledhydromechanical model is then used to simulate the test...

Hydro-mechanical behaviour of bentonite pellet mixtures (2005)

Hoffmann, Christian, Alonso, Eduardo (Alonso Pérez De Agreda), Romero Morales, Enrique

Granular mixtures made of high-density pellets of bentonite are being evaluated as an alternative buffer material for waste isolation.Ease of handling is an often-mentioned advantage. The paper...

Modelling the field behaviour of a granular expansive barrier (2005)

Alonso, Eduardo (Alonso Pérez De Agreda), Hoffmann, Christian

The large scale ‘‘Engineered Barrier’’ (EB) experiment, performed at the Mont Terri Underground Laboratory is described. A coupled hydromechanical model is then used to simulate the test...

Hydro-mechanical behaviour of bentonite pellet mixtures (2005)

Hoffmann, Christian, Alonso, Eduardo (Alonso Pérez De Agreda), Romero Morales, Enrique

Granular mixtures made of high-density pellets of bentonite are being evaluated as an alternative buffer material for waste isolation. Ease of handling is an often-mentioned advantage. The paper...

Etude du transport électronique dans des jonctions hybrides supraconducteur - métal normal par des mesures de bruit en courant (2003)

Hoffmann, Christian

La combinaison des mesures de bruit en courant et de conductance représente un moyen très puissant pour comprendre le transport électronique à l'échelle mésoscopique. Cette thèse illustre...

Etude du transport électronique dans des jonctions hybrides supraconducteur - métal normal par des mesures de bruit en courant (2003)

Hoffmann, Christian

La combinaison des mesures de bruit en courant et de conductance représente un moyen très puissant pour comprendre le transport électronique à l'échelle mésoscopique. Cette thèse illustre...

Etude du transport électronique dans des jonctions hybrides supraconducteur - métal normal par des mesures de bruit en courant (2003)

Hoffmann, Christian

La combinaison des mesures de bruit en courant et de conductance représente un moyen très puissant pour comprendre le transport électronique à l'échelle mésoscopique. Cette thèse illustre...

Entwicklung von Methoden für die parallelisierte Herstellung und Ausprüfung von Feststoffkatalysatoren (2002)

Hoffmann, Christian

Im Rahmen der vorliegenden Arbeit wurden Verfahren zur parallelen Herstellung und Testung von Katalysatoren untersucht. Insbesondere stand die Methodenentwicklung für die Herstellung und Ausprüfung...

Oligo(ethylenoxid)silan Self-Assembled Monolayer mit proteophoben Eigenschaften an Siliziumoxidoberflächen (2001)

Hoffmann, Christian, Brunner, Herwig, Tovar, Günter

In so unterschiedlichen Anwendungen wie bei Immunoassays, in der klinischen Analyse oder der Diagnostik kommt der spezifischen Proteinimmobilisierung eine entscheidende Bedeutung zu. Dabei müssen...

Proteinchips für die Affinitäts-MALDI-TOF-Massenspektrometrie mittels gerichteter Immobilisierung von Proteinrezeptoren an Self-Assembled Monolayer aus Organosilanen (2001)

Bouschen, W., Spengler, B., Brunner, Herwig, Tovar, Günter, Hoffmann, Christian

Für den Einsatz in der Mikro-Biotechnologie müssen Chip-Oberflächen mit möglichst dünnen funktionellen Schichten ausgerüstet werden. Zum einen brauchen bestimmte Oberflächen Schutz gegen eine...

Pseudogap and Superconducting Gap in Y-123: A Raman Study (1999)

Opel, Matthias, Götzinger, Martin, Hoffmann, Christian, Nemetschek, Ralf, Philipp, Richard, Venturini, Francesca, ...

We present results of electronic Raman-scattering experiments in differently doped Y-123. In B2g symmetry, an analysis of the data in terms of a memory function approach is presented and dynamical...

Untersuchungen an PTFE-Wellendichtungen / (1995)

Hoffmann, Christian.

Thesis (doctoral)--Universität Stuttgart, 1995.

Le paradigme des suppléances psychotiques (0000)

Christian Hoffmann

La notion de « suppléances » comme solution subjective à la psychose est un paradigme qui ouvre à un programme de recherche sur ces formes actuelles de suppléances. La clinique et la...

DNA bar coding and pyrosequencing to identify rare HIV drug resistance mutations

Hoffmann, Christian, Minkah, Nana, Leipzig, Jeremy, Wang, Gary, Arens, Max Q., Tebas, Pablo, ...

Treatment of HIV-infected individuals with antiretroviral agents selects for drug-resistant mutants, resulting in frequent treatment failures. Although the major antiretroviral resistance mutations...

The Macaque Gut Microbiome in Health, Lentiviral Infection, and Chronic Enterocolitis

McKenna, Philip, Hoffmann, Christian, Minkah, Nana, Aye, Pyone Pyone, Lackner, Andrew, Liu, Zongzhi, ...

The vertebrate gut harbors a vast community of bacterial mutualists, the composition of which is modulated by the host immune system. Many gastrointestinal (GI) diseases are expected to be associated...

Settlement growth and densification within a peri-urban polycentric region Examination of driving forces, model development and preliminary simulation results

Wolfgang Loibl, Klaus Steinnocher, Tanja Tötzer, Christian Hoffmann

The paper discusses research carried out within the EU funded project GEOLAND. Settlement growth will be modelled for small towns in a polycentric semi-rural region without a defined core city and...

Disclosure of the mycobacterial outer membrane: Cryo-electron tomography and vitreous sections reveal the lipid bilayer structure

Hoffmann, Christian, Leis, Andrew, Niederweis, Michael, Plitzko, Jürgen M., Engelhardt, Harald

The cell walls of mycobacteria form an exceptional permeability barrier, and they are essential for virulence. They contain extractable lipids and long-chain mycolic acids that are covalently linked...

DER AGRARSTRUKTURWANDEL IN DEN ALPEN 1980 -2000: EIN VERGLEICH HARMONISIERTER AGRARSTRUKTURINDIKATOREN AUF GEMEINDEEBENE IM ALPENKONVENTIONSGEBIET

Streifeneder, Thomas, Hoffmann, Christian, Ruffini, Flavio V.

In the whole area of the Alps, the agro-structural change between 1980-2000 shows a significant decline of the farms (-40%). Alpine Regions with relatively stable situations (Austria, Switzerland)...