M. Lorenz

Details der Publikationsliste

Zeitraum

1993 - 2009

Anzahl

91

Co-Autoren

Recent results from HADES on electron pair production in relativistic heavy-ion collisions (2009)

Agakishiev, G., Balanda, A., Belver, D., Belyaev, A. V., Blanco, A., ...

Systematic investigations of dilepton production are performed at the SIS accelerator of GSI with the HADES spectrometer. The goal of this program is a detailed understanding of di-electron emission...

Origin of the low-mass electron pair excess in light nucleus-nucleus collisions (2009)

Balanda, A., Belver, D., Belyaev, A. V., Blanco, A., Böhmer, M., ...

We report measurements of electron pair production in elementary p+p and d+p reactions at 1.25 GeV/u with the HADES spectrometer. For the first time, the electron pairs were reconstructed for n+p...

Fe-implanted ZnO: Magnetic precipitates versus dilution (2009)

Zhou, Shengqiang, Potzger, K., Talut, G., Reuther, H., Von Borany, J., Groetzschel, R., ...

Nowadays ferromagnetism is often found in potential diluted magnetic semiconductor systems. However, many authors argue that the observed ferromagnetism stems from ferromagnetic precipitates or...

Ferromagnetic transition metal implanted ZnO: a diluted magnetic semiconductor? (2009)

Zhou, Shengqiang, Potzger, K., Xu, Qingyu, Talut, G., Lorenz, M., Skorupa, W., ...

Recently theoretical works predict that some semiconductors (e.g. ZnO) doped with magnetic ions are diluted magnetic semiconductors (DMS). In DMS magnetic ions substitute cation sites of the host...

Deep sub-threshold $\Xi^-$ production in Ar+KCl reactions at 1.76A GeV (2009)

Agakishiev, G., Balanda, A., Bassini, R., Belver, D., Belyaev, A. V., Blanco, A., ...

We report first results on a deep sub-threshold production of the doubly strange hyperon $\Xi^-$ in a heavy-ion reaction. At a beam energy of 1.76A GeV the reaction Ar+KCl was studied with the High...

Inclusive Dielectron Production in Ar+KCl Collisions at 1.76 AGeV studied with HADES (2009)

Agakishiev, G., Balanda, A., Bellia, G., Belver, D., Belyaev, A., ...

Results of the HADES measurement of inclusive dielectron production in Ar+KCl collisions at a kinetic beam energy of 1.76 AGeV are presented. For the first time, high mass resolution spectroscopy was...

Charged pion production in C+C and Ar+KCl collisions measured with HADES (2009)

Agakishiev, G., Balanda, A., Bellia, G., Belver, D., Belyaev, A., ...

Results of a study of charged pion production in 12C+12C collisions at incident beam energies of 1A GeV and 2A GeV, and 40Ar+natKCl at 1.76AGeV, using the spectrometer HADES at GSI, are presented. We...

Future perspectives at SIS-100 with HADES-at-FAIR (2009)

Agakishiev, G., Balanda, A., Bellia, G., Belver, D., Belyaev, A., ...

Currently, the HADES spectrometer undergoes un upgrade program to be prepared for measurements at the upcoming SIS-100 synchrotron at FAIR. We describe the current status of the HADES di-electron...

The High-Acceptance Dielectron Spectrometer HADES (2009)

Balanda, A., Bannier, B., Bassini, R., Belver, D., Belyaev, A. V., ...

HADES is a versatile magnetic spectrometer aimed at studying dielectron production in pion, proton and heavy-ion induced collisions. Its main features include a ring imaging gas Cherenkov detector...

Phi decay: a relevant source for K- production at SIS energies? (2009)

Balanda, A., Bannier, B., Bassini, R., Belver, D., Belyaev, A. V., ...

We present phase space distributions and multiplicities of K+, K- and phi mesons produced in Ar+KCl reactions at a kinetic beam energy of 1.756 AGeV and measured with the HADES spectrometer. The...

Ordered growth of tilted ZnO nanowires: morphological, structural and optical characterization (2007)

Zúñiga-Pérez, J, Rahm, A, Czekalla, C, Lenzner, J, Lorenz, M, Grundmann, M

Tilted ZnO nanowires have been grown by high-pressure pulsed laser deposition (PLD) on m-plane sapphire without employing any catalyst species. The nanowires are inclined 30. with respect to the...

Infrared optical properties of Mgx-1Zn1-xO thin films (0≤x≤1): Long-wavelength optical phonons and dielectric constants (2006)

Bundemann, C., Rahm, A., Lorenz, M., Grundmann, M., Schubert, Mathias

Infrared spectroscopic ellipsometry in the spectral range from ω =360 cm-1 to ω =1500 cm-1 and Raman scattering spectroscopy are applied to study the long-wavelength optical phonon modes and...

Phase III study of weekly high-dose infusional fluorouracil plus folinic acid with or without irinotecan in patients with metastatic colorectal cancer: European Organisation for Research and Treatment of Cancer Gastrointestinal Group Study 40986 (2005)

Wils, J, Bokemeyer, C, El-Serafi, M, Lutz, M P, ...

PURPOSE: To demonstrate that adding irinotecan to a standard weekly schedule of high-dose, infusional fluorouracil (FU) and leucovorin (folinic acid [FA]) can prolong progression-free survival (PFS)....

Transport properties of Ca doped superconducting epitaxial YBCO films. (2004)

Halbritter, J., Gaganidze, E., Hochmuth, H., Lorenz, M.

Internat.Cryogenic Materials Conf.(ICMC 2004), Wollongong, AUS, February 10-13, 2004

Dielectric properties of Fe-doped Ba§xSr§1§-§x TiO§3 thin films on polycrystalline substrates at temperatures between -35 and +85`o C. (2003)

Lorenz, M., Hochmuth, H., Schallner, M., Heidinger, R., Spemann, D., Grundmann, M.

Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Fachverband Dielektrische Festkörper (DF), Dresden, 24.-28. März 2003 Poster

Microwave Properties of epitaxial Y§1§-§xCa§xBa§2Cu§3O§7§-§#dfilms. (2003)

Gaganidze, E., Heidinger, R., Halbritter, J., Lorenz, M., Hochmuth, H.

Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Fachverband Tiefe Temperaturen (TT), Dresden, 24.-28. März 2003

Hochfeldverhalten von neuartigen HTSL Materialien. (2003)

Gaganidze, E., Danilov, I., Meier, A., Heidinger, R., Halbritter, J., Lorenz, M., ...

8.Statusseminar Supraleitung und Tieftemperaturtechnik, Garmisch-Partenkirchen, 13.-14.Februar 2003 (Poster)

Microwave properties of epitaxial large-area Ca-doped YBCO thin films on r-plane sapphire. (2003)

Lorenz, M., Hochmuth, H., Grundmann, M., Gaganidze, E., Halbritter, J.

8.Statusseminar Supraleitung und Tieftemperaturtechnik, Garmisch-Partenkirchen, 13.-14.Februar 2003

MASS-SELECTIVE MATRIX-ISOLATION SPECTROSCOPY: FT-IR SPECTRA OF CYANOACETYLENE AND TETRACYANOETHYLENE IONS AND THEIR IONIC FRAGMENTS (2002)

Smith-Gicklhorn, A. M., Frankowski, Marcin, Lorenz, M., Bondybey, V. E., Kolos, R.

$^{a}$A.M. Smith-Gicklhorn, M. Lorenz, R. Kolos and V.E. Bondybey J. Chem. Phys. 115, 7534-7542 (2001). $^{b}$A.M. Smith-Gicklhorn, M. Frankowski, and V.E. Bondybey Phys. Chem. Chem. Phys. In Press....

A Genotypically Unique Babesia gibsoni-like Parasite Recovered From a Dog in Oklahoma (2001)

A. Alan Kocan, Anne Kjemtrup, J. Meinkoth, Lisa C. Whitworth, G. L. Murphy, L. Decker, ...

A small Babesia gibsoni-like parasite was identified and isolated as the cause of clinical babesiosis in a dog from Oklahoma. Because this was potentially the first documented case of B. gibsoni...

Lichtempfindliches, elektronisches Bauelement mit wenigstens drei Elektroden (2001)

Lorenz, M., Zastrow, A.

DE 19951616 A UPAB: 20010809 NOVELTY - Light sensitive electronic component consists of three electrodes (A, B, C), two of which are connected to a semiconductor material which is in contact with a...

Verfahren zur raeumlichen Durchdringung oder Benetzung einer porenhaltigen nichtleitenden Struktur mit einem Elektronen oder Loecher leitendem Kunststoff sowie Verwendung des Verfahrens zur Herstellung einer photovolatischen Feststoff-Zelle (2001)

Lorenz, M., Zastrow, A.

DE 19927981 A UPAB: 20010425 NOVELTY - Process for spatial permeation or wetting of a porous, insulating or semiconductor structure with an electron- or hole-conducting synthetic resin material...

Phase II study of weekly 24-hour intra-arterial high-dose infusion of 5-fluorouracil and folinic acid for liver metastases from colorectal carcinomas (2001)

Lorenz, M., Mueller, H. H., Mattes, E., Gassel, H. J., Junginger, T., Saeger, H. D., ...

Background: A multicenter phase II trial was initiated in order to evaluate the weekly, high-dose 24-hour infusion of 5-fluorouracil (5-FU) plus folinic acid (FA) in patients with unresectable...

Magnetic Properties of Epitaxial Fe3O4 Films (1997)

Kleint, C., Krause, M., Höhne, R., Lorenz, M., Semmelhack, H., Schneider, A., ...

Epitaxial magnetite thin films with (100), (110) and (111) orientation have been deposited by Laser ablation onto substrates with [NaCl] and [Spinel] structure. X-ray difraction revealed...

Magnetic Properties of Epitaxial Fe3O4 Films (1997)

Kleint, C., Krause, M., Höhne, R., Lorenz, M., Semmelhack, H., Schneider, A., ...

Epitaxial magnetite thin films with (100), (110) and (111) orientation have been deposited by Laser ablation onto substrates with [NaCl] and [Spinel] structure. X-ray difraction revealed...

Magnetic Properties of Epitaxial Fe3O4 Films (1997)

Kleint, C., Krause, M., Höhne, R., Lorenz, M., Semmelhack, H., Schneider, A., ...

Epitaxial magnetite thin films with (100), (110) and (111) orientation have been deposited by Laser ablation onto substrates with [NaCl] and [Spinel] structure. X-ray difraction revealed...

A Setup for Fourier-Transform Absorption and Emission Spectroscopies of Matrix-Isolated Transients (1995)

Thoma, A., Lammers, A., Smith, A. M., Wurfel, B. E., Agreiter, J., Caspary, N., ...

$^{a}$A. Thoma, B.E. Wurfel, R. Schlachta, G.M. Lask and V.E. Bondybey, J. Phys. Chem., 96, 7231 (1992). $^{b}$A.M. Smith, J. Agreiter, M. Hartle, C. Engel and V.E. Bondybey, Chem. Phys., 189, 315...

The stimulatory effects of interleukin (IL)-12 on hematopoiesis are antagonized by IL-12-induced interferon gamma in vivo (1995)

Eng, V. M., Car, B. D., Schnyder, B., Lorenz, M., Lugli, S., Aguet, M., ...

Interleukin (IL)-12 synergizes with other cytokines to stimulate the proliferation and differentiation of early hematopoietic progenitors in vitro. However, in vivo administration of IL-12 decreases...

Detection of the isiA Gene across Cyanobacterial Strains: Potential for Probing Iron Deficiency

Geiß, U., Vinnemeier, J., Kunert, A., Lindner, I., Gemmer, B., Lorenz, M., ...

The use of isiA expression to monitor the iron status of cyanobacteria was investigated. Studies of laboratory cultures of the cyanobacterium Synechocystis sp. strain PCC 6803 showed that isiA...

Global structure similarities of intact and nicked DNA complexed with IHF measured in solution by fluorescence resonance energy transfer.

Lorenz, M, Hillisch, A, Goodman, S D, Diekmann, S

We have analyzed the structure of two related protein-DNA complexes consisting of integration host factor (IHF) bound to two different versions of the H' site of bacteriophage lambda. Both DNA...

Normal modes as refinement parameters for the F-actin model.

Tirion, M M, Ben-Avraham, D, Lorenz, M, Holmes, K C

The slow normal modes of G-actin were used as structural parameters to refine the F-actin model against 8-A resolution x-ray fiber diffraction data. The slowest frequency normal modes of G-actin...

Randomized trial of surgery versus surgery followed by adjuvant hepatic arterial infusion with 5-fluorouracil and folinic acid for liver metastases of colorectal cancer. German Cooperative on Liver Metastases (Arbeitsgruppe Lebermetastasen)

Lorenz, M, Müller, H H, Schramm, H, Gassel, H J, Rau, H G, Ridwelski, K, ...

OBJECTIVE: To determine the impact of adjuvant hepatic arterial infusion (HAI) on survival relative to resection alone in patients with radical resection of colorectal liver metastases. SUMMARY...

Detection of the isiA Gene across Cyanobacterial Strains: Potential for Probing Iron Deficiency

Geiß, U., Vinnemeier, J., Kunert, A., Lindner, I., Gemmer, B., Lorenz, M., ...

The use of isiA expression to monitor the iron status of cyanobacteria was investigated. Studies of laboratory cultures of the cyanobacterium Synechocystis sp. strain PCC 6803 showed that isiA...

Global structure similarities of intact and nicked DNA complexed with IHF measured in solution by fluorescence resonance energy transfer.

Lorenz, M, Hillisch, A, Goodman, S D, Diekmann, S

We have analyzed the structure of two related protein-DNA complexes consisting of integration host factor (IHF) bound to two different versions of the H' site of bacteriophage lambda. Both DNA...

Randomized trial of surgery versus surgery followed by adjuvant hepatic arterial infusion with 5-fluorouracil and folinic acid for liver metastases of colorectal cancer. German Cooperative on Liver Metastases (Arbeitsgruppe Lebermetastasen)

Lorenz, M, Müller, H H, Schramm, H, Gassel, H J, Rau, H G, Ridwelski, K, ...

OBJECTIVE: To determine the impact of adjuvant hepatic arterial infusion (HAI) on survival relative to resection alone in patients with radical resection of colorectal liver metastases. SUMMARY...

Normal modes as refinement parameters for the F-actin model.

Tirion, M M, Ben-Avraham, D, Lorenz, M, Holmes, K C

The slow normal modes of G-actin were used as structural parameters to refine the F-actin model against 8-A resolution x-ray fiber diffraction data. The slowest frequency normal modes of G-actin...

Immunoscintigraphy using a technetium-99m labelled monoclonal anti-CEA antibody in the follow-up of colorectal cancer and other tumours producing CEA.

Hertel, A., Baum, R. P., Lorenz, M., Baew-Christow, T., Encke, A., Hör, G.

Using the intact monoclonal IgG1 anti-CEA antibody BW 431/26 (Behringwerke Marburg, FRG) labelled with 99mTc by a new labelling procedure (Schwarz method), 72 patients suspected of tumour recurrences...