Glucose-stimulated insulin production in mice deficient for the PAS kinase PASKIN. (2007)
Borter, E, Niessen, M, Zuellig, R, Spinas, G A, Spielmann, P, Camenisch, G, ...
The Per-ARNT-Sim (PAS) domain serine/threonine kinase PASKIN, or PAS kinase, links energy flux and protein synthesis in yeast and regulates glycogen synthase in mammals. A recent report suggested...
Fahnenstich, H., Saigo, M., Niessen, M., Zanor, M. I., Andreo, C. S., Fernie, A. R., ...
The full-length cDNA encoding the maize C4-NADP-malic enzyme was expressed in Arabidopsis thaliana under the control of the CaMV 35S promoter. Homozygous transgenic plants (MEm) were isolated with...
Verfahren zur Materialabtragung sowie Vorrichtung zur Durchfuehrung des Verfahrens (2007)
Schulz, W., Petring, D., Schneider, F., Niessen, M.
DE 102007024701 A1 UPAB: 20081212 NOVELTY - The method for material ablation over a desired erosion depth of a work piece by a laser beam having partial beams, which have a defined beam axis,...
Petring, D., Schneider, F., Schulz, W., Niessen, M.
DE 102007024700 A1 UPAB: 20081217 NOVELTY - Focusing is effected to form a beam waist. Fractions of the beam (7) are deflected to diverge from the axis (4) at, ahead of and/or after the beam waist,...
Flexibler Laserapplikator (2006)
Wehner, M., Niessen, M., Poprawe, R.
DE 102006039471 B3 UPAB: 20080408 NOVELTY - The applicator (10) has an optical fiber with a cladding (2) comprising a defined recess with respect to a section of the cladding in a distal end section...
Modeling and simulation of process monitoring and control in laser cutting (2004)
Schulz, W., Kostrykin, V., Michel, J., Niessen, M.
Laser cutting at moderate conditions is well established in industries. Both, high cutting speed for efficient machining and low cutting speed during contour cutting change the dynamical properties...
Identification of dimension in phase space for cutting (2003)
Schulz, W., Eppelt, U., Heesen, H., Kostrykin, V., Michel, J., Niessen, M.
Laser cutting is an established separation process. Reliable machining at high productivity and quality as well as simplified machine operation are the actual goals in industries. This work describes...
Modelling of chemical processes in the dynamic expansion for pulsed laser deposition (2002)
Kreutz, E.W., Aden, M., Niessen, M., Husmann, A., Poprawe, R.
The material transfer from the target to the substrate involved in pulsed laser deposition is described with respect to chemical reactions in the processing gas atmosphere in order to derive the...
Hediger, M, Niessen, M, Wimmer, E A, Dübendorfer, A, Bopp, D
The piggyBac transposable element was successfully used for stable genetic transformation of the housefly Musca domestica. The construct contains the EGFP marker under the control of Pax-6 binding...
Modelling, dynamical simulation and online monitoring in laser beam welding (2001)
Schulz, W., Michel, J., Niessen, M., Kostrykin, V., Abels, P., Kaierle, S.
Efficient and high quality processing requires identification of the underlying phenomena and on-line monitoring of the achieved performance. The reliability for prediction of the weld quality can be...
Microholes in zirconia coated Ni-superalloys for transpiration cooling of turbine blades (2000)
Horn, A., Weichenhain, R., Albrecht, S., Kreutz, E.W., Niessen, M., Michel, J., ...
Drillings in zirconia coated Ni-superalloys is done by melt extraction with pulsed laser radiation provided by a Nd:YAG slab laser with microsecond pulse duration. This laser system distinguishes...
Dynamics of ripple formation and melt flow in laser beam cutting (1999)
Schulz, W., Kostrykin, V., Niessen, M., Michel, J., Petring, D., Kreutz, E.W., ...
The dynamical behaviour of the laser beam fusion cutting process of metals is investigated. Integral methods such as the variational formulation are applied to the partial differential equations for...
Kogel-Hollacher, M., Stamm, H., Niessen, M., Alunovic, M., Treusch, H.G., Aden, M., ...
The electron density, the plasma front velocity and the geometry of an expanding vapour/plasma are investigated during the material removal of Al2O3 with pulsed CO2 laser radiation. The results...
Beam quality of a fast axial flow of CO2-laser with RF-excitation. (1990)
Märten, O., Sturm, V., Franek, J., Alzer, P., Niessen, M.
The beam quality of a laser system is defined as a figure of merit for the optimum focus geometry (minimum spot size and maximum focus length), obtaines with an ideal focusing optic. Optimization of...
Hediger, M, Minet, A D, Niessen, M, Schmidt, R, Hilfiker-Kleiner, D, Cakir, S, ...
In the common housefly, the presence or absence of a male-determining factor, M, is responsible for sex determination. In different strains, M has been found on the Y, on the X, or on any of the five...
Niessen, M, Schneiter, R, Nothiger, R
Sex-lethal (Sxl) is a central switch gene in somatic sexual development of Drosophila melanogaster. Female-specific expression of Sxl relies on autoregulatory splicing of Sxl pre-mRNA by SXL protein....
Hediger, M, Minet, A D, Niessen, M, Schmidt, R, Hilfiker-Kleiner, D, Cakir, S, ...
In the common housefly, the presence or absence of a male-determining factor, M, is responsible for sex determination. In different strains, M has been found on the Y, on the X, or on any of the five...
Niessen, M, Schneiter, R, Nothiger, R
Sex-lethal (Sxl) is a central switch gene in somatic sexual development of Drosophila melanogaster. Female-specific expression of Sxl relies on autoregulatory splicing of Sxl pre-mRNA by SXL protein....