A 200 GHz monolithic integrated power amplifier in metamorphic HEMT technology (2009)
Kallfass, I., Pahl, P., Massler, H., Leuther, A., Tessmann, A., Koch, S., ...
A millimeter-wave monolithic integrated circuit power amplifier operating in the frequency range between 186 and 212 GHz is presented. The amplifier, dedicated to high-resolution imaging radar and...
Strategic innovation management on the basis of searching and mining press releases (2009)
Finzen, J., Kintz, M., Kett, H., Koch, S.
Press releases may contain a lot of information that is especially applicable in strategic innovation management: They contain up-to-date information by definition and thus may give hints to upcoming...
Kallfass, I., Pahl, P., Massler, H., Leuther, A., Tessmann, A., Koch, S., ...
A millimeter-wave monolithic integrated circuit power amplifier operating in the frequency range between 135 and 155 GHz is presented. The D-band power amplifier, realized in a 100 nm gate length...
Visual passwords on community photo collections (2009)
In this bachelor thesis we propose a new form of user authentication based on images. We present a system in which a user logs in by clicking on a sequence of specific points in an image. In contrast...
Discrimination of microorganisms and cells in tissue engineering by Raman spectroscopy (2009)
Koch, S., Dreiling, M., Gutekunst, M., Bolwien, C., Thielecke, H., Mertsching, H.
Sterility testing of cell or tissue cultures is an essential task in the fields of regenerative medicine and tissue engineering. Especially in case of Good manufacturing practice (GMP) of cell and...
A 140 GHz heterodyne receiver chipset for passive millimeter wave imaging applications (2009)
Koch, S., Guthoerl, M., Kallfass, I., Leuther, A., Saito, S.
A heterodyne receiver chipset for 140 GHz passive millimeter wave imaging applications is presented in this paper. The chipset consists of two different millimeter wave monolithic integrated circuits...
Koch, S., Kallfass, I., Weber, R., Leuther, A., Schlechtweg, M., Saito, S.
A fully integrated transceiver MIMIC (millimeter wave monolithic integrated circuit) with six antenna port functionality for 55 to 65 GHz wireless applications has been developed. The chip has been...
Swift-UVOT captures the earliest ultraviolet spectrum of a Gamma Ray Burst (2008)
Kuin, N. P. M., Landsman, W. B., Page, M. J., Schady, P., Still, M., Breeveld, A. A., ...
We present the earliest ever ultraviolet spectrum of a gamma-ray burst (GRB) as observed with the Swift-UVOT. The GRB 081203A spectrum was observed for 50 seconds with the UV grism starting 251...
A four-antenna transceiver MIMIC for 60 GHz wireless multimedia applications (2008)
Koch, S., Kallfass, I., Leuther, A., Schlechtweg, M., Saito, S., Uno, M.
A transceiver MIMIC (millimeter wave monolithic integrated circuit) with four antenna ports functionality for 55 to 65 GHz wireless multimedia applications has been developed. The chip has been...
Multiple-throw millimeter-wave FET switches for frequencies from 60 up to 120 GHz (2008)
Kallfass, I., Diebold, S., Massler, H., Koch, S., Seelmann-Eggebert, M., Leuther, A.
This paper presents the design and performance of various millimeter-wave FET switches realized in a metamorphic HEMT technology. The single-pole multi-throw switch configurations are targeting...
Dream imaging - how to read the sleeping brain (2008)
Dresler, M., Wehrle, R., Koch, S., Samann, P. G., Steiger, A., Obrig, H., ...
Operator models: Economically sustainable? (2008)
This paper contemplates on business models and concentrates on the economic dimension of sustainability. A structure is used to describe business models generally and operator models specifically....
Schnelle Sterilitätskontrolle von Zell- und Gewebekulturen mittels Raman-Spektroskopie (2008)
Bolwien, C., Sulz, G., Becker, S., Thielecke, H., Mertsching, H., Koch, S.
Voraussetzung für die Herstellung von gezüchtetem Gewebe zur individuellen Therapie, z.B. als Haut- oder Knorpeltransplantat, ist die Keimfreiheit der biologischen Implantate. Am Ende des...
T. Diem, S. Koch, S. Schwarzenbach, B. Wehrli, C. J. Schubert
In eleven reservoirs located at different altitudes in Switzerland depth profiles of greenhouse gas (CO<sub>2</sub>, CH<sub>4</sub>, and N<sub>2</sub>O)...
Greenhouse gas emissions (CO2, CH4 and N2O) from perialpine and alpine hydropower reservoirs (2008)
T. Diem, S. Koch, S. Schwarzenbach, B. Wehrli, C. J. Schubert
In eleven reservoirs located at different altitudes in Switzerland depth profiles of greenhouse gas (CO2, CH4, and N2O) concentrations were measured several times during spring and summer. Trace gas...
Multiple-throw millimeter-wave FET switches for frequencies from 60 up to 120 GHz (2008)
Kallfass, I., Diebold, S., Massler, H., Koch, S., Seelmann-Eggebert, M., Leuther, A.
This paper presents the design and performance of various millimeter-wave FET switches realized in a metamorphic HEMT technology. The single-pole multi-throw switch configurations are targeting...
Bolwien, C., Sulz, G., Becker, S., Thielecke, H., Mertsching, H., Koch, S.
Monitoring the sterility of cell or tissue cultures is an essential task, particularly in the fields of regenerative medicine and tissue engineering when implanting cells into the human body. We...
Chief Medical, S. Koch, Judith Springer Riddle, Senior Associate, Angela Jackson, Art Director Michael, ...
analysis capabilities for perimetry and imaging provide more precise information to aid in treatment decision-making. Currently available and upcoming improvements to three key technologies:
Barthlott, W, Koch, S, Hommes, A, Wandelt, K, Mamdouh, W, ...
In order to elucidate the self assembly process of plant epicuticular waxes, and the molecular arrangement within the crystals, re-crystallisation of wax platelets was studied on biological and...
Vorrichtung und Verfahren zur Analyse biologischer Proben (2006)
Mertsching, H., Sulz, G., Thielecke, H., Bolwien, C., Koch, S.
DE 102006053540 B3 UPAB: 20080421 NOVELTY - Optospectroscopic analysis of a biological sample in fluids, comprises: fixing the biological sample in a sample holding unit; categorizing the particles...
Treusch, M., Vonthein, R., Baur, M., Günaydin, I., Koch, S., Stübiger, N., ...
Objective. In Behçet's disease (BD), several abnormalities of lymphocyte subpopulations have been described. Standard treatment comprises immunosuppressive drugs. We successfully treated 50 patients...
Treusch, M., Vonthein, R., Baur, M., Günaydin, I., Koch, S., Stübiger, N., ...
Objective. In Behçet's disease (BD), several abnormalities of lymphocyte subpopulations have been described. Standard treatment comprises immunosuppressive drugs. We successfully treated 50 patients...
Treusch, M., Vonthein, R., Baur, M., Günaydin, I., Koch, S., Stübiger, N., ...
Objective. In Behçet's disease (BD), several abnormalities of lymphocyte subpopulations have been described. Standard treatment comprises immunosuppressive drugs. We successfully treated 50 patients...
Bosbach, C., Bitte, F., Koch, S.
DE 19935612 A UPAB: 20000712 NOVELTY - The laser has a resonator path delimited by two mirrors, the first being movable relative to the second mirror. The first mirror is in a holder (8) which is...
Morgan, W. Gareth, King, Ian P., Koch, S., Harper, John A., Thomas, Huw M.
An F1 hybrid (n=4x=28) between the tetraploid species Festuca arundinacea var. glaucescens (GGG′G′) and a synthetic tetraploid Lolium multiflorum (LmLmLmLm) was backcrossed to diploid L....
Flow-through system for capillary enzyme immunoassays (1999)
Yacoub-George, E., Meixner, L., Baumann, M., Koch, S., Drost, S., Hillerich, B., ...
Tragbares FIA-System für den immunologischen Schnellnachweis von Bakterien (1998)
Yacoub-George, E., Wolf, H., Koch, S., Meixner, L., Baumann, M., Drost, S.
Langzeitstabiler Nitrat-Eintauchsensor auf Basis ionensensitiver Feldeffekttransistoren (1998)
Yacoub-George, E., Rampf, R., Meixner, L., Koch, S., Woias, P., Drost, S.
Fließsystem zur Detektion von Staphylokokken Enterotoxin B (1997)
Yacoub-George, E., Wolf, H., Meixner, L., Baumann, M., Koch, S., Drost, S.
Coded speckle-interferometric formtesting (1997)
Pfeifer, T., Mischo, H., Koch, S., Evertz, J.
In Electronic Speckle Pattern Interferometry (ESPI) the introduction of so-called translation and multiple-wavelength-techniques enables the user to obtain 3D-topography data within a short time....
Biosensor system for the detection of Staphylococal Enterotoxin B (SEB) (1997)
Yacoub-George, E., Wolf, H., Meixner, L., Baumann, M., Koch, S., Drost, S.
In dem vorliegenden Beitrag zur wissensbasierten Produktentwicklung wird ein Überblick über den aktuellen Stand bei der Rechnerunterstützung konstruktiver und arbeitsplanender Tätigkeiten...
Influence of Ohmic Contacts on the Amplitude of Shubnikow-de Haas Oscillations (1992)
Klitzing, K, Nieder, J, Haug, R, Müller, G, Koch, S, Weiss, Dieter, ...
The longitudinal magnetoresistance of a two- dimensional electron gas is shown to be strongly dependent on the presence of ohmic contacts between the voltage probes. By connecting or disconnecting...
Equilibration Length of Electrons in Spin Polarized Edge Channels (1992)
Müller, G, Weiss, Dieter, Khaetskii, A, Klitzing, K, Koch, S, Nickel, H, ...
We investigate experimentally the mean free path of electrons injected selectively into the outer spin-polarized edge channel of the lowest Landau level. A simple model allows us to determine...
Development and evaluation of biosensors for HIV-serology (1991)
Aberl, F., Wolf, H., Woias, P., Koch, S., Kößlinger, C., Drost, S.
During the last decade a new generation of sensors, the biosensors, has been developed for the quantitative measurement of biological substances. In serological diagnosis the rapid and sensitive...
Edge Channel Transport under Quantum Hall Conditions (1991)
Weiss, Dieter, Koch, S, Klitzing, K, Nickel, H, Schlapp, W, Lösch, R
Edge Channels and the Role of Contacts in the Quantum Hall Regime (1990)
Müller, G, Weiss, Dieter, Koch, S, Klitzing, K, Nickel, H, Schlapp, W, ...
The vanishing voltage drop Uxx in the quantum Hall regime is destroyed if barriers with reduced filling factors are introduced between the potential probes. We investigated a system with two barriers...
Current Carrying Edge Channels and the Role of Contacts in the Quantum Hall Regime (1990)
Müller, G, Weiss, Dieter, Koch, S, Klitzing, K, Nickel, H, Schlapp, W, ...
OPTICAL NONLINEARITIES IN SEMICONDUCTORS (1988)
Koch, S., Haug, H., Lindberg, M.
The theory of transient and steady state optical nonlinearities in semiconductors is discussed and a unifying analysis of the involved physical processes is presented.
STEADY-STATE AND TIME-RESOLVED EXCITONIC OPTICAL NONLINEARITIES IN MBE-GROWN ZnSe (1988)
Park, S., Fluegel, B., Morgan, R., Joffre, M., Koch, S., Sokoloff, J., ...
Excitonic optical nonlinearities are time resolved in MBE-grown ZnSe thin films. The nonlinear index is comparable to GaAs and the recovery time is less than 100 ps.
TWO-PHOTON OPTICAL NONLINEARITIES IN SEMICONDUCTOR QUANTUM DOTS (1988)
BÁnyai, L., Hu, Y., Lindberg, M., Koch, S.
Optical nonlinearities of semiconductor quantum dots are computed for two regimes of quantum confinement. An induced two-photon resonance is predicted energetically above the exciton resonance.
OPTICAL NONLINEARITIES IN SEMICONDUCTORS (1988)
Koch, S., Haug, H., Lindberg, M.
The theory of transient and steady state optical nonlinearities in semiconductors is discussed and a unifying analysis of the involved physical processes is presented.
STEADY-STATE AND TIME-RESOLVED EXCITONIC OPTICAL NONLINEARITIES IN MBE-GROWN ZnSe (1988)
Park, S., Fluegel, B., Morgan, R., Joffre, M., Koch, S., Sokoloff, J., ...
Excitonic optical nonlinearities are time resolved in MBE-grown ZnSe thin films. The nonlinear index is comparable to GaAs and the recovery time is less than 100 ps.
TWO-PHOTON OPTICAL NONLINEARITIES IN SEMICONDUCTOR QUANTUM DOTS (1988)
BÁnyai, L., Hu, Y., Lindberg, M., Koch, S.
Optical nonlinearities of semiconductor quantum dots are computed for two regimes of quantum confinement. An induced two-photon resonance is predicted energetically above the exciton resonance.
Schalldämmung von Fenstern - Einfluß des Einbauortes in der Außenwand (1987)
Untersuchungen zum Waermedurchgangskoeffizienten des Systems Aussenwand/Fenster in Abhaengigkeit der Position des Fenster in der Aussenwand und bezueglich der Lage der Daemmschicht waren der...
Friesel, D., Hicks, J., Taylor, J., Ellison, T., Sloan, T., Foster, C., ...
This research was sponsored by the National Science Foundation Grant NSF PHY 87-14406
MODEL Fe(III) PORPHYRIN SYSTEMS : AXIAL LIGATION IN OXIDIZED CYTOCHROME P-450.S (1976)
Papaefthymiou, G., Frankel, R., Foner, S., Tang, S., Koch, S., Holm, R.
In an effort to develop useful expérimental criteria to distinguish among the viable axial ligation possibilities of O, N, and S coordination in oxidized cytochrome P-450. S (substrate-bound,...
Scandurra, I, Hägglund, M, Koch, S, Lind, M
Using participatory design, we developed and deployed a mobile Virtual Health Record (VHR) on a personal digital assistant (PDA) together with experienced homecare staff. To assess transferability to...