The role of the synchrotron component in the mid infrared spectrum of M 87 (2009)
Buson, L., Bressan, A., Panuzzo, P., Rampazzo, R., Valdes, J. R., Clemens, M., ...
We study in detail the mid-infrared Spitzer-IRS spectrum of M 87 in the range 5 to 20 micron. Thanks to the high sensitivity of our Spitzer-IRS spectra we can disentangle the stellar and nuclear...
Abdelwahab, A., Gardner, M., Parkash, R., Basta, M., Sapp, J., Veltmann, C., ...
Introduction: Scar-related ventricular tachycardia (VT) is often unmappable. Data regarding the outcomes of ablation for mappable vs unmappable VT are lacking. Methods: Catheter ablation of...
Microbunch Amplification in the European XFEL. (2009)
M. Clemens, DESY Maschinenphysik, M. Dohlus, S. Lange, G. Pöplau, T. Limberg, ...
Internal report | Preprint
S. Feigh, M. Clemens, R. Schuhmann, T. Weil
electric or magnetic material tensor and thus such a ma-For the numerical solution of complex eigenvalue problems, arising with gyrotropic materials in resonators, the Jacobi-Davidson method is...
Early Type Galaxies in the Mid Infrared (2007)
Bressan, A., Panuzzo, P., Silva, L., Buson, L., Clemens, M., Granato, G. L., ...
We are performing a systematic study of the properties of early-type galaxies in the mid infrared spectral region with the Spitzer Space Telescope. We present here high S/N Spitzer IRS spectra of 17...
The unusual distribution of molecular gas and star formation in Arp 140 (2006)
Cullen, H., Alexander, P., Green, D. A., Clemens, M., Sheth, K.
We investigate the atomic and molecular interstellar medium and star formation of NGC 275, the late-type spiral galaxy in Arp 140, which is interacting with NGC 274, an early-type system. The atomic...
Panuzzo, P., Vega, O., Bressan, A., Buson, L., Clemens, M., Rampazzo, R., ...
We present a population synthesis study of NGC4435, an early-type Virgo galaxy interacting with NGC4438. We combine new spectroscopic observations obtained with the Spitzer Space Telescope IRS...
The SPITZER IRS view of stellar populations in Virgo early type galaxies (2006)
Bressan, A., Panuzzo, P., Buson, L., Clemens, M., Granato, G. L., Rampazzo, R., ...
We have obtained high S/N Spitzer IRS spectra of 17 Virgo early-type galaxies that lie on the colour-magnitude relation of passively evolving galaxies in the cluster. To flux calibrate these extended...
More Accurate Areal Precipitation Over Land And Sea: APOLAS Abschlussbericht (2006)
Bumke,K., Clemens,M., Graßl,Hartmut, Pang,S., Peters,G., Seltmann,J.E.E., ...
SPITZER IRS spectra of Virgo early type galaxies: detection of stellar silicate emission (2006)
Bressan, A., Panuzzo, P., Buson, L., Clemens, M., Granato, G. L., Rampazzo, R., ...
We present high signal to noise ratio Spitzer Infrared Spectrograph observations of 17 Virgo early-type galaxies. The galaxies were selected from those that define the colour-magnitude relation of...
L. O. Fichte, S. Lange, M. Clemens
Boundary Integral Equation formulations can be used to describe electromagnetic shielding problems. Yet, this approach frequently leads to integrals which contain a singularity and an oscillating...
T. Steinmetz, G. Wimmer, M. Clemens
The transient simulation of electro-quasistatic fields requires a formulation that takes both dielectric effects as well as nonlinear conductive effects into account. The successive solution of large...
More Accurate Areal Precipitation Over Land And Sea: APOLAS Abschlussbericht (2006)
Bumke, K., Clemens, M., Graßl, H., Pang, S., Peters, G., Seltmann, J.E.E., ...
Numerical Minimization of Longitudinal Emittance in Linac Structures. 2006-10-02 - 2006-10-06 (2006)
S. Lange, DESY Maschinenphysik, M. Clemens, L.O. Fichte, M. Dohlus, ...
Contribution to a conf. proceeding (book/online)
P. Panuzzo, O. Vega, A. Bressan, L. Buson, M. Clemens, R. Rampazzo, ...
We present a population synthesis study of NGC 4435, an early-type Virgo galaxy interacting with NGC 4438. We combine new spectroscopic observations obtained with the Spitzer Space Telescope IRS...
Profiles of raindrop size distributions as retrieved by microrain radars (2005)
Peters,Gerhard, Fischer,Bernd, Münster,Hans, Clemens,M., Wagner,A.
Data of vertically pointing microrain radars (MRRs), located at various sites around the Baltic Sea, were analyzed for a period of several years. From the Doppler spectra profiles of drop size...
HST/ACS observations of the old and metal-poor Sagittarius dwarf irregular galaxy (2005)
Momany, Y., Held, E. V., Saviane, I., Bedin, Rolly, Gullieuszik, M., Clemens, M., ...
We have obtained deep color-magnitude diagrams of the Sagittarius dwarf irregular galaxy with the HST/ACS. The new diagrams unveil for the first time the star formation history of SagDIG. We identify...
Shielding properties of a conducting bar calculated with a boundary integral method (2005)
L. O. Fichte, S. Lange, Th. Steinmetz, M. Clemens
A plane rectangular bar of conducting and permeable material is placed in an external low-frequency magnetic field. The shielding properties of this object are investigated by solving the given plane...
HST/ACS observations of the old and metal-poor Sagittarius dwarf irregular galaxy (2005)
Momany, Y., Held, E.V., Saviane, I., Bedin, L.R., Gullieuszik, M., Clemens, M., ...
Profiles of raindrop size distributions as retrieved by microrain radars (2005)
Peters, Gerhard, Fischer, Bernd, Münster, Hans, Clemens, M., Wagner, A.
Data of vertically pointing microrain radars (MRRs), located at various sites around the Baltic Sea, were analyzed for a period of several years. From the Doppler spectra profiles of drop size...
HST/ACS observations of the old and metal-poor Sagittarius dwarf irregular galaxy (2005)
Momany, Y., Held, E.V., Saviane, I., Bedin, L.R., Gullieuszik, M., Clemens, M., ...
Prouton, O. R., Bressan, A., Clemens, M., Franceschini, A., Granato, G. L., Silva, L.
We have performed 23 GHz VLA observations of 7 compact, luminous infrared galaxies, selected to have evidence of starburst activity. New and published multi-frequency data are combined to obtain the...
Net precipitation over the Baltic Sea for one year using models and data-based methods (2003)
Hennemuth,Barbara, Rutgersson,A., Bumke,K., Clemens,M., Omstedt,A., Jacob,Daniela, ...
Efficient extrapolation methods for electro- and magnetoquasistatic field simulations (2003)
M. Clemens, M. Wilke, T. Weiland
In magneto- and electroquasi-static time domain simulations with implicit time stepping schemes the iterative solvers applied to the large sparse (non-)linear systems of equations are observed to...
Net precipitation over the Baltic Sea for one year using models and data-based methods (2003)
Hennemuth, Barbara, Rutgersson, A., Bumke, K., Clemens, M., Omstedt, A., Jacob, Daniela, ...
Heidemann, E., Stoeger, H., Souchon, R., Bodenstein, H., Oberhoff, C., ...
Background: To determine whether patients with high-risk metastatic breast cancer draw benefit from combination chemotherapy as first-line treatment. Patients and methods: A total of 260 women with...
Gemcitabine and cisplatin in the treatment of advanced or metastatic pancreatic cancer (2000)
Heinemann, V., Wilke, H., Clemens, M., König, H., Illiger, H. J., ...
Background This phase II study was initiated to determine the efficacy and safety of gemcitabine plus cisplatin in patients with pancreatic cancer. Patients and methods Gemcitabine 1000 mg/m2 was...
Vanhoefer, U., Wilke, H., Weh, H. J., Clemens, M., Harstrick, A., Stahl, M., ...
Background A weekly schedule of a 24-h high-dose 5-FU infusion in combination with folinic acid was investigated as salvage therapy in patients with advanced gastric cancer. Patients and methods...
Ahgren, C, Backro, K, Bell, F W, Cantrell, A S, Clemens, M, Colacino, J M, ...
To identify the minimal structural elements necessary for biological activity, the rigid tricyclic nucleus of the known human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT)...
Homologous and illegitimate recombination in developing Xenopus oocytes and eggs.
Lehman, C W, Clemens, M, Worthylake, D K, Trautman, J K, Carroll, D
Exogenous DNA is efficiently recombined when injected into the nuclei of Xenopus laevis oocytes. This reaction proceeds by a homologous resection-annealing mechanism which depends on the activity of...
Endoscopic retrograde cholangiography (ERC) in surgical emergencies.
Safrany, L, Van Husen, N, Kautz, G, Wittrin, G, Clemens, M, Weitemeyer, R
Twelve patients, presenting with an acute abdomen of suspected biliary tract origin, had endoscopic retrograde cholangiography performed. Eight patients had either traumatic, spontaneous, or...
Ahgren, C, Backro, K, Bell, F W, Cantrell, A S, Clemens, M, Colacino, J M, ...
To identify the minimal structural elements necessary for biological activity, the rigid tricyclic nucleus of the known human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT)...
Homologous and illegitimate recombination in developing Xenopus oocytes and eggs.
Lehman, C W, Clemens, M, Worthylake, D K, Trautman, J K, Carroll, D
Exogenous DNA is efficiently recombined when injected into the nuclei of Xenopus laevis oocytes. This reaction proceeds by a homologous resection-annealing mechanism which depends on the activity of...
Endoscopic retrograde cholangiography (ERC) in surgical emergencies.
Safrany, L, Van Husen, N, Kautz, G, Wittrin, G, Clemens, M, Weitemeyer, R
Twelve patients, presenting with an acute abdomen of suspected biliary tract origin, had endoscopic retrograde cholangiography performed. Eight patients had either traumatic, spontaneous, or...
Estop, A M, Mowery-Rushton, P A, Cieply, K M, Kochmar, S J, Sherer, C R, Clemens, M, ...
We report a case of an unbalanced cryptic telomeric translocation 46,XY,der(17),t(9;17)(q34.3;p13.3) in a boy with dysmorphic features and developmental delay. The proband had intrauterine growth...
Kollmannsberger, C, Quietzsch, D, Haag, C, Lingenfelser, T, Schroeder, M, Hartmann, J T, ...
To evaluate the toxicity and efficacy of combination chemotherapy with paclitaxel, cisplatin and 24 h continuous infusion of 5-FU/folinic acid in patients (pts) with unresectable, locally advanced or...