Many-Body Effects in Semiconductor Quantum Dots: Observation of Multi-Charged-Excitons (2008)
Hartmann, A., Ducommun, Y., Kapon, E., Hohenester, U., Molinari, E.
Optical Spectra of Single Quantum Dots: Influence of Impurities and Few-Particles Effects (2008)
Hartmann, A., Ducommun, Y., Kapon, E., Hohenester, U., Simserides, C., Molinari, E.
Dynamic Dipole-Dipole Interactions between Excitons in Quantum Dots of Different Sizes (2008)
Matsueda, H., Leosson, K., Xu, Z., Hvam, J.M., Ducommun, Y., Hartmann, A., ...
G.A. ANTONIK, T.J. EID, R.R. GAMA, A. HARTMANN, ...
Hildebrandt, A., Sawodny, O., Neumann, R., Hartmann, A.
Pneumatic muscles are interesting in their use as actuators in robotics, since they have a high power/weight ratio, a high-tension force and a long durability. This paper presents a two-axis planar...
From ultrathin capsules to biaqueous vesicles (2005)
Khopade, A. J., Arulsudar, N., Khopade, S. A., Knocke, R., Hartmann, A., Möhwald, H.
The hyphal and yeast forms of Candida albicans bind the complement regulator C4b-binding (2004)
Meri, T, Blom, A M, Hartmann, A, Lenk, D, Meri, S, Zipfel, P. F.
Candida albicans, an important pathogenic yeast, activates all three pathways of the complement system. To understand how this yeast evades the effects of the activated system, we have analyzed the...
Interpolation in the Nevanlinna class and harmonic majorants (2003)
Hartmann, A., Massaneda, X., Nicolau, A., Thomas, P.
We consider a free interpolation problem in Nevanlinna and Smirnov classes and find a characterization of the corresponding interpolating sequences in terms of the existence of harmonic majorants of...
Verfahren und Vorrichtung zur Laserbearbeitung von Werkstuecken (2001)
Hartmann, A., Kretzschmar, F., Klotzbach, A., Morgenthal, L., Pollack, D., Schwarz, T.
DE 19963010 A UPAB: 20010829 NOVELTY - The focusing a light beam via one or two scanning mirrors onto the workpiece surface and deflecting it along at least one axis by tilting at least one mirror....
Generative Fertigungsverfahren - eine Alternative für den Werkzeugbau? (1999)
Kühnle, H., Stettin, A., Hartmann, A.
Es wird einen Ueberblick ueber die Anwendungsmoeglichkeiten der Verfahren des Rapid Prototyping beim Bau von Druckgiessformen fuer die Erzeugung von Prototypen im Serienwerkstoff und -verfahren...
Kühnle, H., Stettin, A., Hartmann, A.
Es wird einen Ueberblick ueber die Anwendungsmoeglichkeiten der Verfahren des Rapid Prototyping beim Bau von Druckgiessformen fuer die Erzeugung von Prototypen im Serienwerkstoff und -verfahren...
Generative Fertigungsverfahren - eine Alternative für den Formenbau (1999)
Kühnle, H., Stettin, A., Hartmann, A.
Es wird einen Ueberblick ueber die Anwendungsmoeglichkeiten der Verfahren des Rapid Prototyping beim Bau von Druckgiessformen fuer die Erzeugung von Prototypen im Serienwerkstoff und -verfahren...
Electrical Properties of Natural and Synthetic Pyrite (FeS2) Crystals. (1998)
Schieck, R., Hartmann, A., Fiechter, S., Konenkamp, R., Wetzel, H.
We have prepared a series of synthetic n-type pyrite (FeS2) crystals by chemical vapor transport and high temperature solution growth. These and natural crystals were characterized with respect to...
Laserstrahlschweissen im kW-Leistungsbereich durch schnelle Strahlablenkung (1998)
Klotzbach, A., Hartmann, A., Morgenthal, L.
The Fraunhofer Institute IWS developed a beam-deflection system which can be used for rapid moving of a high-power laser beam over the workpiece surface. Therefore it is pos-sible to scan even rather...
Nortriptyline pulse loading in depressed patients. (1998)
Deuschle, M., Weber, B., Standhardt, H., Hartmann, A., Heuser, I.
Electronic Structure of Nd0.5Y0.5Ba2Cu3O7-d Single Crystals (1996)
Hartmann, A., Russell, G.J., Cochrane, J.W., Matthews, D.N.
The new bulk, melt-textured grown composite Nd0.5Y0.5Ba2Cu3O7-, which also forms large single crystals, has the standard high-Tc 123 orthorhombic structure when oxygenated and a very high critical...
Investigation of the Substrate/Epitaxial Interface of Si/Si1-xGex Layers Grown by LPCVD (1995)
Loo, R., Vescan, L., Dieker, C., Freundt, D., Hartmann, A., Mück, A.
The paper reports a study of the quality of the substrate/epilayer interface. Before growing the Si or Si/Si1-xGex structures by low pressure chemical vapour deposition, Si(100) substrates were...
Investigation of the Substrate/Epitaxial Interface of Si/Si1-xGex Layers Grown by LPCVD (1995)
Loo, R., Vescan, L., Dieker, C., Freundt, D., Hartmann, A., Mück, A.
The paper reports a study of the quality of the substrate/epilayer interface. Before growing the Si or Si/Si1-xGex structures by low pressure chemical vapour deposition, Si(100) substrates were...
Investigation of the Substrate/Epitaxial Interface of Si/Si1-xGex Layers Grown by LPCVD (1995)
Loo, R., Vescan, L., Dieker, C., Freundt, D., Hartmann, A., Mück, A.
The paper reports a study of the quality of the substrate/epilayer interface. Before growing the Si or Si/Si1-xGex structures by low pressure chemical vapour deposition, Si(100) substrates were...
Loo, R., Vescan, L., Hartmann, A., Apetz, R., Zastrow, U., Schäpers, T., ...
Copyright AIP. This version is available at http://link.aps.org/abstract/PRB/v50/p18113
Line-shape model for the broad photoluminescence band from Si1-xGex/Si heterostructures (1993)
Hartmann, A., Vescan, L., Dieker, C., Stoica, T., Lüth, H.
Copyright AIP. This version is available at http://link.aps.org/abstract/PRB/v48/p18276
Optical and structural investigation of SiGe/Si quantum wells (1992)
Vescan, L., Hartmann, A., Schmidt, K., Dieker, Ch., Lüth, H., Jäger, W.
Copyright AIP. This version is available at http://link.aip.org/link/?APPLAB/60/2183/1
Kovach, J S, Hartmann, A, Blaszyk, H, Cunningham, J, Schaid, D, Sommer, S S
Human cancer cells with a mutated p53 tumor-suppressor gene have a selective growth advantage and may exhibit resistance to ionizing radiation and certain chemotherapeutic agents. To examine the...
Errampalli, D., Leung, K. T., Lee, H., Hartmann, A., Trevors, J. T., ...
A pair of primers and a gene probe for the amplification and detection of the Bacillus cereus neutral protease gene (NPRC) were developed. Specificity for the npr genes of the B. cereus group members...
The Yeast Candida albicans Binds Complement Regulators Factor H and FHL-1
Meri, T., Hartmann, A., Lenk, D., Eck, R., Würzner, R., Hellwage, J., ...
The human facultative pathogenic yeast Candida albicans causes mucocutaneous infections and is the major cause of opportunistic fungal infections in immunocompromised patients. C. albicans activates...
Pavić, I, Hartmann, A, Zimmermann, A, Michel, D, Hampl, W, Schleyer, I, ...
We established a quantitative flow cytometric method for determination of herpes simplex virus type 1 (HSV-1) susceptibility to acyclovir (ACV), ganciclovir, and foscarnet in vitro. Susceptibility...
Bertaux, J., Schmid, M., Churin, J. L., Hartmann, A., Garbaye, J., ...
Bacterial proliferations have recurrently been observed for the past 15 years in fermentor cultures of the ectomycorrhizal fungus Laccaria bicolor S238N, suggesting the presence of cryptic bacteria...
Schloter, M, Wiehe, W, Assmus, B, Steindl, H, Becke, H, Höflich, G, ...
Monospecific polyclonal antisera raised against Rhizobium leguminosarum bv. trifolii R39, a bacterium which was isolated originally from red clover nodules, were used to study the colonization of...
Influence of amino acids on nitrogen fixation ability and growth of Azospirillum spp.
Hartmann, A, Fu, H A, Burris, R H
The utilization of amino acids for growth and their effects on nitrogen fixation differ greatly among the several strains of each species of Azospirillum spp. that were examined. A. brasiliense grew...
Posttranslational regulatory system for nitrogenase activity in Azospirillum spp.
Fu, H A, Hartmann, A, Lowery, R G, Fitzmaurice, W P, Roberts, G P, Burris, R H
The mechanism for "NH4+ switch-off/on" of nitrogenase activity in Azospirillum brasilense and A. lipoferum was investigated. A correlation was established between the in vivo regulation of...
Regulation of nitrogenase activity by oxygen in Azospirillum brasilense and Azospirillum lipoferum.
The nitrogenase activity of the microaerophilic bacteria Azospirillum brasilense and A. lipoferum was completely inhibited by 2.0 kPa of oxygen (approximately 0.02 atm of O2) in equilibrium with the...
Regulation of nitrogenase activity by ammonium chloride in Azospirillum spp.
Hartmann, A, Fu, H, Burris, R H
Ammonium chloride (greater than or equal to 0.05 mM) effectively and reversibly inhibited the nitrogenase activity of Azospirillum brasilense, Azospirillum lipoferum and Azospirillum amazonense. The...
Purification and properties of the nitrogenase of Azospirillum amazonense.
Song, S D, Hartmann, A, Burris, R H
The nitrogenase of the free-living, microaerobic, N2-fixing bacterium Azospirillum amazonense (strain Y1) was purified by chromatography on DEAE-52 cellulose, by heat treatment, and by preparative...
Worker policing without genetic conflicts in a clonal ant
Hartmann, A., Wantia, J., Torres, J. A., Heinze, J.
In group-living animals, mutual policing to suppress reproduction is an important mechanism in the resolution of conflict between selfish group members and the group as a whole. In societies of bees,...
Novel pattern of P53 mutation in breast cancers from Austrian women.
Hartmann, A, Rosanelli, G, Blaszyk, H, Cunningham, J M, McGovern, R M, Schroeder, J J, ...
Since mutagens produce an extraordinary diversity of mutational patterns, differential mutational exposures among populations are expected to produce different patterns of mutation. Classical...
Bamberger, U, Scheuber, P H, Sailer-Kramer, B, Bartsch, K, Hartmann, A, Beck, G, ...
The staphylococcal enterotoxin B (SEB)-induced immediate-type skin reaction in unsensitized monkeys was used as a nonimmunological mast cell stimulus to examine whether the toxin exerts its effect...
The Hyphal and Yeast Forms of Candida albicans Bind the Complement Regulator C4b-Binding Protein
Meri, T., Blom, A. M., Hartmann, A., Lenk, D., Meri, S., Zipfel, P. F.
Candida albicans, an important pathogenic yeast, activates all three pathways of the complement system. To understand how this yeast evades the effects of the activated system, we have analyzed the...
G proteins in Ustilago maydis: transmission of multiple signals?
Regenfelder, E, Spellig, T, Hartmann, A, Lauenstein, S, Bölker, M, Kahmann, R
In the phytopathogenic fungus Ustilago maydis, cell fusion is governed by a pheromone signalling system. The pheromone receptors belong to the seven transmembrane class that are coupled to...
Bataille, F, Rümmele, P, Dietmaier, W, Gaag, D, Klebl, F, Reichle, A, ...
Aims: To evaluate the usefulness of molecular markers in predicting histopathological and clinical response to preoperative high dose chemotherapy (HDCT) and survival of patients with advanced...
Assmus, B., Hutzler, P., Kirchhof, G., Amann, R., Lawrence, J. R., Hartmann, A.
The colonization of wheat roots by Azospirillum brasilense was used as a model system to evaluate the utility of whole-cell hybridization with fluorescently labeled, rRNA-targeted oligonucleotide...
Kovach, J S, Hartmann, A, Blaszyk, H, Cunningham, J, Schaid, D, Sommer, S S
Human cancer cells with a mutated p53 tumor-suppressor gene have a selective growth advantage and may exhibit resistance to ionizing radiation and certain chemotherapeutic agents. To examine the...
Errampalli, D., Leung, K. T., Lee, H., Hartmann, A., Trevors, J. T., ...
A pair of primers and a gene probe for the amplification and detection of the Bacillus cereus neutral protease gene (NPRC) were developed. Specificity for the npr genes of the B. cereus group members...
The Yeast Candida albicans Binds Complement Regulators Factor H and FHL-1
Meri, T., Hartmann, A., Lenk, D., Eck, R., Würzner, R., Hellwage, J., ...
The human facultative pathogenic yeast Candida albicans causes mucocutaneous infections and is the major cause of opportunistic fungal infections in immunocompromised patients. C. albicans activates...
Pavić, I, Hartmann, A, Zimmermann, A, Michel, D, Hampl, W, Schleyer, I, ...
We established a quantitative flow cytometric method for determination of herpes simplex virus type 1 (HSV-1) susceptibility to acyclovir (ACV), ganciclovir, and foscarnet in vitro. Susceptibility...
Bertaux, J., Schmid, M., Churin, J. L., Hartmann, A., Garbaye, J., ...
Bacterial proliferations have recurrently been observed for the past 15 years in fermentor cultures of the ectomycorrhizal fungus Laccaria bicolor S238N, suggesting the presence of cryptic bacteria...