Optimierte Prüfsysteme für Eisenbahnräder und Radsätze (2005)
Rockstroh, B., Kappes, W., Walte, F., Hermann, W., Gohlke, B., ...
Aufgrund der eingeschränkten Platzverhältnisse in vielen Instandhaltungswerken der Deutschen Bahn und von privaten Anbietern und in Folge des hohen Kostendrucks der auf den Anbietern von...
Lateral distribution and shape of self-assembled InAs quantum dots grown on GaAs(001) (2001)
K. Zhang, J. Falta, C. Heyn, T. Schmidt, ...
Contribution to a conf. proceeding (book/online)
Grazing incidence structural characterisation of InAs quantum dots on GaAs(001) (2001)
K. Zhang, Ch. Heyn, W. Hansen, Th. Schmidt, J. Falta
Journal article
Structural characterization of self-assembled InAs quantum dots grown by MBE (2001)
K. Zhang, Ch. Heyn, W. Hansen, Th. Schmidt, J. Falta
Journal article
Structural characterisation of self-assembled InAs quantum dots grown by MBE (2001)
K. Zhang, Ch. Heyn, W. Hansen, Th. Schmidt, J. Falta
Journal article
Strain status of self-assembled InAs quantum dots on GaAs(001) (2000)
K. Zhang, Ch. Heyn, W. Hansen, Th. Schmidt, J. Falta
Journal article
Distribution and shape of self-assembled InAs quantum dots grown on GaAs(001) (2000)
K. Zhang, J. Falta, Th. Schmidt, Ch. Heyn, G. Materlik, ...
Journal article
Ordering and shape of self-assembled InAs quantum dots on GaAs(001) (2000)
K. Zhang, Ch. Heyn, W. Hansen, Th. Schmidt, J. Falta
Journal article
Deviatov, E. V., Shashkin, A. A., Dolgopolov, V. T., Hansen, W., Holland, M.
We study the Coulomb pseudogap for tunneling into the two-dimensional electron system of high-mobility (Al,Ga)As/GaAs heterojunctions subjected to a quantizing magnetic field at filling factor $\nu...
X-ray interface characterization of buried InAs layers on GaAs(001) (1999)
K. Zhang, A. Foede, Th. Schmidt, P. Sonntag, Ch. Heyn, ...
Journal article
X-ray interface characterization of buried InAs layers on GaAs(001) (1999)
K. Zhang, A. Foede, Th. Schmidt, P. Sonntag, Ch. Heyn, ...
Journal article
Performance Evaluation of Bolt-Cutter System on First Taurus Launch. (1998)
Baban, F., Williams, R., Amimoto, S., Hansen, W., Bixler, T.
In rapid response to the request of the Space Test and Experimentation Directorate in Space Launch Operations, a launch-critical experimental investigation was conducted to evaluate the performance...
Lateral superlattices as voltage-controlled traps for excitons (1997)
Zimmermann, S., Govorov, A. O., Hansen, W., Kotthaus, J. P., Bichler, M., Wegscheider, W.
We demonstrate the localisation of quantum well excitons in a periodic array of linear traps using photoluminescence experiments. The excitonic traps are induced by applying spatially alternating...
Optical properties of quantum wells with a field-effect-induced lateral superlattice (1993)
Peters, C., Hansen, W., Kotthaus, J., Holland, M.
A new developed stacked gate technique and a special MBE-grown quantum well structure is used to investigate the optical properties of a quantum well in a field effect induced lateral superlattice...
Optical properties of quantum wells with a field-effect-induced lateral superlattice (1993)
Peters, C., Hansen, W., Kotthaus, J., Holland, M.
A new developed stacked gate technique and a special MBE-grown quantum well structure is used to investigate the optical properties of a quantum well in a field effect induced lateral superlattice...
Optical properties of quantum wells with a field-effect-induced lateral superlattice (1993)
Peters, C., Hansen, W., Kotthaus, J., Holland, M.
A new developed stacked gate technique and a special MBE-grown quantum well structure is used to investigate the optical properties of a quantum well in a field effect induced lateral superlattice...
Kamiske, G., Hansen, W., Jansen, H.H.
Ihr Gewinn: Optimierung! Will ein Unternehmen konkurrenzfähig bleiben, kommt es an systematischer Qualitäts-Optimierung nicht vorbei! Das LoseblattSystem "Qualitätsmanagement" ist...
Pull-out work of steel fibers from cementitious composites: Analytical investigation (1991)
Alwan, J. M., Naaman, Antoine E., Hansen, W.
The main objective of this study is to provide a parametric evaluation of the pull-out work of smooth steel fibers embedded in cementitious matrices. The various parameters controlling the behavior...
ANALYSIS OF SOLID-LIQUID INTERPHASE SPECTRA VIA CAUSAL TRANSFORMATION (1977)
Procedures are presented for calculating intrinsic absorption spectra (i. e., the complex refractive index or dielectric constant as a function of frequency) of thin films and adsorbed layers from...
ANALYSIS OF SOLID-LIQUID INTERPHASE SPECTRA VIA CAUSAL TRANSFORMATION (1977)
Procedures are presented for calculating intrinsic absorption spectra (i. e., the complex refractive index or dielectric constant as a function of frequency) of thin films and adsorbed layers from...
ANALYSIS OF SOLID-LIQUID INTERPHASE SPECTRA VIA CAUSAL TRANSFORMATION (1977)
Procedures are presented for calculating intrinsic absorption spectra (i. e., the complex refractive index or dielectric constant as a function of frequency) of thin films and adsorbed layers from...
Coupling of PDE's and perturbation by transition kernels on a balayage space (1970)
this paper is to show that coupling of second order linear partial differential equations (each yielding the structure of a harmonic space) can most easily be considered as coupling within a balayage...
In vitro susceptibility of Alcaligenes denitrificans subsp. xylosoxidans to 24 antimicrobial agents.
Glupczynski, Y, Hansen, W, Freney, J, Yourassowsky, E
The in vitro susceptibilities of 37 clinical isolates of Alcaligenes denitrificans subsp. xylosoxidans to 24 antimicrobial agents were determined. Imipenem was the only drug with consistent activity...
Severe human infections caused by Vibrio metschnikovii.
Hansen, W, Freney, J, Benyagoub, H, Letouzey, M N, Gigi, J, Wauters, G
Vibrio metschnikovii is largely distributed in the aquatic environment; human infections are rarely observed. A fatal case of septicemia in a patient with liver cirrhosis, renal insufficiency, and...
Pseudomonas stutzeri pneumonia and septicemia in a patient with multiple myeloma.
Potvliege, C, Jonckheer, J, Lenclud, C, Hansen, W
A case of septicemia caused by Pseudomonas stutzeri belonging to the unusual biotype Vb-3 in a patient with multiple myeloma is described. The origin of the septicemia was attributed to a...
Freney, J, Hansen, W, Etienne, J, Vandenesch, F, Fleurette, J
Pseudomonas luteola (CDC group Ve-1) and Pseudomonas oryzihabitans (CDC group Ve-2) were both isolated from the same blood culture of a 5-month-old infant, 8 days after open-heart surgery. He quickly...
Catheter infection caused by an unusual pathogen, Agrobacterium radiobacter.
Potvliege, C, Vanhuynegem, L, Hansen, W
The genus Agrobacterium is composed of several phytopathogenic species occurring worldwide in soils. One nontumorigenic species, Agrobacterium radiobacter, has occasionally been isolated from...
Septicemia caused by Sphingobacterium multivorum.
Freney, J, Hansen, W, Ploton, C, Meugnier, H, Madier, S, Bornstein, N, ...
Sphingobacterium multivorum was isolated in pure culture from the blood of a man undergoing chemotherapy for a lymphoma. He responded to appropriate antibiotics and later showed a significant rise in...
Detection of Gardnerella vaginalis in vaginal specimens by direct immunofluorescence.
Hansen, W, Vray, B, Miller, K, Crokaert, F, Yourassowsky, E
The preparation of a fluorescein-labeled Gardnerella vaginalis polyclonal antibody is described, and its usefulness is assessed for the detection of this microorganism in vaginal samples obtained...
Freney, J, Duperron, M T, Courtier, C, Hansen, W, Allard, F, Boeufgras, J M, ...
A study was performed to evaluate a new manual miniaturized system, API Coryne (API-bioMérieux, Inc., La Balme les Grottes, France), in which conventional biochemical methods were used to identify...
Glupczynski, Y, Labbé, M, Hansen, W, Crokaert, F, Yourassowsky, E
The Progressive Diagnostics Manufacturers epsilometer test (E test; AB Biodisk, Solna, Sweden), a quantitative variant of the disk diffusion technique, was evaluated comparatively to an agar dilution...
Flavobacterium multivorum septicemia in a hemodialyzed patient.
Potvliege, C, Dejaegher-Bauduin, C, Hansen, W, Dratwa, M, Collart, F, Tielemans, C, ...
A case of Flavobacterium multivorum septicemia in a hemodialyzed patient is reported. Two blood cultures were positive at 48 h, and the patient became afebrile only after antimicrobial therapy. The...
Isolation of Serratia ficaria from human clinical specimens.
Brouillard, J A, Hansen, W, Compere, A
Serratia ficaria was isolated from sputum in a 62-year-old man and from tracheal aspiration fluid in a 62-year-old woman with acute respiratory distress. These strains are the second and third...
Four hundred strains of lactose-fermenting Enterobacteriaceae were tested for hydrolysis of p-nitrophenyl-beta-D-glucopyranosiduronic acid, the chromogenic enzyme substrate of beta-glucuronidase....
Pseudomonas paucimobilis peritonitis in patients treated by peritoneal dialysis.
Glupczynski, Y, Hansen, W, Dratwa, M, Tielemans, C, Wens, R, Collart, F, ...
Pseudomonas paucimobilis has rarely been reported as an opportunistic human pathogen. We report the isolation of this organism in two patients who developed peritonitis during the course of...
Two strains of Vibrio species with unusual biochemical features isolated from ear tracts.
Hansen, W, Crokaert, F, Yourassowsky, E
A strain of vibrio cholerae Heiberg type II, not agglutinable with any of the eight antisera corresponding to Heiberg's groups, and a nonmotile, methyl red-positivs of chronic external otitis.
Halophilic, lactose-positive Vibrio in a case of fatal septicemia.
Mertens, A, Nagler, J, Hansen, W, Gepts-Friedenreich, E
A halophilic Vibrio species was isolated from blood cultures from a 59-year-old male with enteritis. The strain differed from Vibrio parahaemolyticus and Vibrio alginolyticus by its ability to...
Poritz, M A, Siegel, V, Hansen, W, Walter, P
We have partially purified ribonucleoproteins (RNPs) from Schizosaccharomyces pombe and Yarrowia lipolytica with properties resembling those of mammalian signal recognition particle (SRP). In both...
Cassette mutagenic analysis of the yeast invertase signal peptide: effects on protein translocation.
Ngsee, J K, Hansen, W, Walter, P, Smith, M
The coding sequence of the SUC2 locus was placed under the control of the constitutive ADH1 promoter and transcription terminator in a centromere-based yeast plasmid vector from which invertase is...
Emr, S D, Schauer, I, Hansen, W, Esmon, P, Schekman, R
The yeast SUC2 gene codes for the secreted enzyme invertase. A series of 16 different-sized gene fusions have been constructed between this yeast gene and the Escherichia coli lacZ gene, which codes...
Targeted selection of recombinant clones through gene dosage effects.
Rine, J, Hansen, W, Hardeman, E, Davis, R W
The availability of multicopy plasmid vectors for the yeast Saccharomyces cerevisiae allows the selective amplification of individual segments of the genome. Increased dosage of particular genes...
Hansen, W, Schoutens, E, Yourassowsky, E
One hundred and twenty-two clinical isolates of Acinetobacter were studied for the presence of beta-galactosidase and of beta-xylosidase, for biochemical characteristics, and for genetic interspecies...
Hansen, W, Schoutens, E, Yourassowsky, E
A total of 314 strains of Haemophilus, isolated from clinical samples, were studied for the production of beta-galactosidase and beta-xylosidase. None of the H. influenzae strains studied (9...
In vitro susceptibility of Alcaligenes denitrificans subsp. xylosoxidans to 24 antimicrobial agents.
Glupczynski, Y, Hansen, W, Freney, J, Yourassowsky, E
The in vitro susceptibilities of 37 clinical isolates of Alcaligenes denitrificans subsp. xylosoxidans to 24 antimicrobial agents were determined. Imipenem was the only drug with consistent activity...
Severe human infections caused by Vibrio metschnikovii.
Hansen, W, Freney, J, Benyagoub, H, Letouzey, M N, Gigi, J, Wauters, G
Vibrio metschnikovii is largely distributed in the aquatic environment; human infections are rarely observed. A fatal case of septicemia in a patient with liver cirrhosis, renal insufficiency, and...
Pseudomonas stutzeri pneumonia and septicemia in a patient with multiple myeloma.
Potvliege, C, Jonckheer, J, Lenclud, C, Hansen, W
A case of septicemia caused by Pseudomonas stutzeri belonging to the unusual biotype Vb-3 in a patient with multiple myeloma is described. The origin of the septicemia was attributed to a...
Freney, J, Hansen, W, Etienne, J, Vandenesch, F, Fleurette, J
Pseudomonas luteola (CDC group Ve-1) and Pseudomonas oryzihabitans (CDC group Ve-2) were both isolated from the same blood culture of a 5-month-old infant, 8 days after open-heart surgery. He quickly...
Catheter infection caused by an unusual pathogen, Agrobacterium radiobacter.
Potvliege, C, Vanhuynegem, L, Hansen, W
The genus Agrobacterium is composed of several phytopathogenic species occurring worldwide in soils. One nontumorigenic species, Agrobacterium radiobacter, has occasionally been isolated from...
Septicemia caused by Sphingobacterium multivorum.
Freney, J, Hansen, W, Ploton, C, Meugnier, H, Madier, S, Bornstein, N, ...
Sphingobacterium multivorum was isolated in pure culture from the blood of a man undergoing chemotherapy for a lymphoma. He responded to appropriate antibiotics and later showed a significant rise in...
Detection of Gardnerella vaginalis in vaginal specimens by direct immunofluorescence.
Hansen, W, Vray, B, Miller, K, Crokaert, F, Yourassowsky, E
The preparation of a fluorescein-labeled Gardnerella vaginalis polyclonal antibody is described, and its usefulness is assessed for the detection of this microorganism in vaginal samples obtained...
Freney, J, Duperron, M T, Courtier, C, Hansen, W, Allard, F, Boeufgras, J M, ...
A study was performed to evaluate a new manual miniaturized system, API Coryne (API-bioMérieux, Inc., La Balme les Grottes, France), in which conventional biochemical methods were used to identify...
Glupczynski, Y, Labbé, M, Hansen, W, Crokaert, F, Yourassowsky, E
The Progressive Diagnostics Manufacturers epsilometer test (E test; AB Biodisk, Solna, Sweden), a quantitative variant of the disk diffusion technique, was evaluated comparatively to an agar dilution...
Flavobacterium multivorum septicemia in a hemodialyzed patient.
Potvliege, C, Dejaegher-Bauduin, C, Hansen, W, Dratwa, M, Collart, F, Tielemans, C, ...
A case of Flavobacterium multivorum septicemia in a hemodialyzed patient is reported. Two blood cultures were positive at 48 h, and the patient became afebrile only after antimicrobial therapy. The...
Isolation of Serratia ficaria from human clinical specimens.
Brouillard, J A, Hansen, W, Compere, A
Serratia ficaria was isolated from sputum in a 62-year-old man and from tracheal aspiration fluid in a 62-year-old woman with acute respiratory distress. These strains are the second and third...
Four hundred strains of lactose-fermenting Enterobacteriaceae were tested for hydrolysis of p-nitrophenyl-beta-D-glucopyranosiduronic acid, the chromogenic enzyme substrate of beta-glucuronidase....
Pseudomonas paucimobilis peritonitis in patients treated by peritoneal dialysis.
Glupczynski, Y, Hansen, W, Dratwa, M, Tielemans, C, Wens, R, Collart, F, ...
Pseudomonas paucimobilis has rarely been reported as an opportunistic human pathogen. We report the isolation of this organism in two patients who developed peritonitis during the course of...
Two strains of Vibrio species with unusual biochemical features isolated from ear tracts.
Hansen, W, Crokaert, F, Yourassowsky, E
A strain of vibrio cholerae Heiberg type II, not agglutinable with any of the eight antisera corresponding to Heiberg's groups, and a nonmotile, methyl red-positivs of chronic external otitis.
Halophilic, lactose-positive Vibrio in a case of fatal septicemia.
Mertens, A, Nagler, J, Hansen, W, Gepts-Friedenreich, E
A halophilic Vibrio species was isolated from blood cultures from a 59-year-old male with enteritis. The strain differed from Vibrio parahaemolyticus and Vibrio alginolyticus by its ability to...
Poritz, M A, Siegel, V, Hansen, W, Walter, P
We have partially purified ribonucleoproteins (RNPs) from Schizosaccharomyces pombe and Yarrowia lipolytica with properties resembling those of mammalian signal recognition particle (SRP). In both...
Cassette mutagenic analysis of the yeast invertase signal peptide: effects on protein translocation.
Ngsee, J K, Hansen, W, Walter, P, Smith, M
The coding sequence of the SUC2 locus was placed under the control of the constitutive ADH1 promoter and transcription terminator in a centromere-based yeast plasmid vector from which invertase is...
Emr, S D, Schauer, I, Hansen, W, Esmon, P, Schekman, R
The yeast SUC2 gene codes for the secreted enzyme invertase. A series of 16 different-sized gene fusions have been constructed between this yeast gene and the Escherichia coli lacZ gene, which codes...
Targeted selection of recombinant clones through gene dosage effects.
Rine, J, Hansen, W, Hardeman, E, Davis, R W
The availability of multicopy plasmid vectors for the yeast Saccharomyces cerevisiae allows the selective amplification of individual segments of the genome. Increased dosage of particular genes...
Hansen, W, Schoutens, E, Yourassowsky, E
One hundred and twenty-two clinical isolates of Acinetobacter were studied for the presence of beta-galactosidase and of beta-xylosidase, for biochemical characteristics, and for genetic interspecies...
Hansen, W, Schoutens, E, Yourassowsky, E
A total of 314 strains of Haemophilus, isolated from clinical samples, were studied for the production of beta-galactosidase and beta-xylosidase. None of the H. influenzae strains studied (9...
New rapid test for prenatal detection of trisomy 21 (Down's syndrome): preliminary report.
Bryndorf, T., Christensen, B., Philip, J., Hansen, W., Yokobata, K., Bui, N., ...
OBJECTIVE--To devise and evaluate a rapid screening method for detecting trisomy 21 (Down's syndrome) in samples of uncultured amniotic fluid cells. DESIGN--Non-radioactive in situ hybridisation with...
CD4+ T cell mediated intestinal immunity: chronic inflammation versus immune regulation
Westendorf, A M, Templin, M, Geffers, R, Deppenmeier, S, Gruber, A D, Probst-Kepper, M, ...
Background: Several studies have suggested that chronic inflammatory bowel disease may be a consequence of antigen specific recognition by appropriate T cells which expand and induce immunopathology.