M. Bergmann

Publication List Details

Period

1982 - 2009

Number

158

Co-Authors

GEMINI 3D spectroscopy of BAL+IR+Fe II QSOs: II. IRAS 04505-2958 an explosive QSO with hypershell and a new scenario for galaxy formation and galaxy end (2009)

Lipari, S., Bergmann, M., Sanchez, S. F., Garcia-Lorenzo, B., Terlevich, R., Mediavilla, E., ...

From a study of BAL + IR + Fe {\sc ii} QSOs (using deep Gemini GMOS-IFU spectroscopy) new results are presented: for IRAS 04505-2958. Specifically, we have studied in detail the out flow (OF) process...

Aluminium als Gradientenwerkstoff von grob über ultrafeinkörnig bis nanokristallin (2009)

Bergmann, M., Dietrich, D., Mickel, D.

Durch inkrementelle Umformung von Aluminium wurde eine Härtesteigerung erreicht. Diese ist verbunden mit einer Kornfeinung des grobkristallinen Grundwerkstoffs bis hin zur Nanokristallinität, die...

Lokale Hochverformung zur Erzeugung von ultrafeinkörnigen Zonen (2009)

Neugebauer, R., Putz, M., Bergmann, M.

The methods of severe plastic deformation are able to produce semi-finished products with a homogenous ultrafine-grained microstructure. An alternative option is the formation of ultrafine-grained...

Coiled sperm from infertile patients: characteristics, associated factors and biological implication (2009)

Yeung, C.H., Tüttelmann, F., Bergmann, M., Nordhoff, V., Vorona, E., Cooper, Trevor G.

BACKGROUND There is no systematic study on coiled sperm in semen, although they are commonly observed. This work characterizes coiled sperm in infertile men to understand the clinical implications...

The pluripotency transcription factor Kruppel-like factor 4 is strongly expressed in intratubular germ cell neoplasia unclassified and seminoma (2009)

Godmann, M., Gashaw, I., Eildermann, K., Schweyer, S., Bergmann, M., Skotheim, R.I., ...

Germ cell tumors of the testis are the most frequent tumors in men between 20 and 40 years. Their most common subtype is the seminoma, which arises like the embryonal carcinoma from an intratubular...

Aluminium als Gradientenwerkstoff von grob- über ultrafeinkörnig bis nanokristallin (2009)

Bergmann, M., Neugebauer, R., Nickel, D., Dietrich, D., Lampke, T.

Die Aluminiumlegierung EN AW-6082 wurde durch ein inkrementelles Walzverfahren so modifiziert, dass infolge lokal erzeugter Hochverformungen ein Gradient der Korngröße erreicht wurde. Die Geometrie...

Herstellung und Verarbeitung hochfester aluminiumbasierter Leichtbauwerkstoffe (2009)

Neugebauer, R., Popp, M., Bergmann, M.

Die Herstellung neuartiger metallischer Leichtbauwerkstoffe und deren umformende Weiterverarbeitung ermöglicht neben der Realisierung des stofflichen Leichtbaus eine funktionsgerechte...

Scattered-Light Echoes from the Historical Galactic Supernovae Cassiopeia A and Tycho (SN 1572) (2008)

Rest, A., Welch, D. L., Suntzeff, N. B., Oaster, L., Lanning, H., Olsen, K., ...

We report the discovery of an extensive system of scattered light echo arclets associated with the recent supernovae in the local neighbourhood of the Milky Way: Tycho (SN 1572) and Cassiopeia A....

Spectral Identification of an Ancient Supernova using Light Echoes in the LMC (2008)

Rest, A., Matheson, T., Blondin, S., Bergmann, M., Welch, D. L., Suntzeff, N. B., ...

We report the successful identification of the type of the supernova responsible for the supernova remnant SNR 0509-675 in the Large Magellanic Cloud (LMC) using Gemini spectra of surrounding light...

Creation of ultra-fine grained (UFG) materials by incremental bulk metal forming (2008)

Neugebauer, R., Putz, M., Bergmann, M., Popp, M.

Mechanical properties of ultra-fine grained and nano-crystalline materials are characterized by high strength but low elongation at fracture. As known especially for load-bearing structural...

Gemini GMOS IFU Spectroscopy of IRAS 04505-2958: A New Exploding BAL + IR + Fe II QSO (2007)

Lipari, S., Bergmann, M., Sanchez, S., Terlevich, R., Taniguchi, Y., Mediavilla, E., ...

New results of a Programme of study of BAL + IR + Fe II QSOs (at low and high redshift) are presented. Which are based mainly on deep Gemini GMOS integral field unit (IFU/3D) spectroscopy. We have...

The Role of Exploding QSOs in Explosive Models of Evolution, Formation and End of Galaxies (2007)

Lipari, S., Bergmann, M., Sanchez, S. F., Terlevich, R., Mediavilla, E., Punsly, B., ...

In this work we analise the role and evidence of exploding BAL + IR + Fe II QSOs, and their relation with new -and previous- explosive models for evolution, formation and end of galaxies.

Phänomenologische und mikrostrukturelle Modellierung von Materialien und Prozessen (2007)

Putz, M., Bergmann, M., Kreißig, R., Shutov, A.

Ein Ziel des Teilprojekts besteht darin, dem SFB ein viskoplastisches Materialmodell für die mechanische Beschreibung hochfester Al-Legierungen zur Verfügung zu stellen. Dieses Materialmodell soll...

Kruppel-like factor 4 expression in normal and pathological human testes (2007)

Behr, R., Deller, C., Godmann, M., Muller, T., Bergmann, M., Ivell, Richard John, ...

Copyright © The Author 2007. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved.

Kruppel-like factor 4 expression in normal and pathological human testes (2007)

Behr, R., Deller, C., Godmann, M., Muller, T., Bergmann, M., Ivell, Richard John, ...

Copyright © The Author 2007. Published by Oxford University Press on behalf of the European Society of Human Reproduction and Embryology. All rights reserved.

Kruppel-like factor 4 expression in normal and pathological human testes (2007)

Behr, R., Deller, C., Godmann, M., Müller, T., Bergmann, M., Ivell, R., ...

Krüppel-like factor 4 (KLF4) is a transcription factor involved in many cellular and developmental processes such as terminal differentiation of cells and carcinogenesis. Mice lacking KLF4 die...

Deep GEMINI GMOS-IFU spectroscopy of BAL QSOs: I. Decoupling the BAL, QSO, starburst, NLR, supergiant bubbles and galactic wind in Mrk 231 (2006)

Lipari, S., Sanchez, S. F., Bergmann, M., Terlevich, R., Garcia-Lorenzo, B., Punsly, B., ...

In this work we present the first results of a study of BAL QSOs (at low and high redshift), based on very deep Gemini GMOS integral field spectroscopy. In particular, the results obtained for the...

Optimierung der Prozessparameter an einer Mehrdrahtsäge (Multi Wire Slurry Saw) zum Schneiden von Wafern für Siliciumsolarzellen (2006)

Bergmann, M., Kühne, S.

Diplomarbeit an der Fachhochschule Zittau/Görlitz, Fachbereich Maschinenwesen, Studiengang Energie- und Umwelttechnik, Fachrichtung Regenerative Energien. In Zusammenarbeit mit dem...

Drahtsäge mit kontrollierbarem Drahtfeld (2006)

Bergmann, M., Ettle, P., Kray, D., Haas, F.

DE 102006033699 A1 UPAB: 20080131 NOVELTY - The wire saw has two cylindrical guide rollers (2a, 2b) arranged in parallel at a distance from each other. A wire (1) rotates the two guide rollers along...

Echoes from Ancient Supernovae in the Large Magellanic Cloud (2005)

Rest, A., Suntzeff, N. B., Olsen, K., Prieto, J. L., Smith, R. C., Welch, D. L., ...

In principle, the light from historical supernovae could still be visible as scattered-light echoes even centuries later. However, while echoes have been discovered around some nearby extragalactic...

IR mergers and IR QSOs with galactic winds. III. Mrk 231: composite outflow with multiple expanding bubbles and BALs (an exploding young QSO?) (2005)

Lipari, S., Terlevich, R., Zheng, W., Garcia-Lorenzo, B., Sanches, S., Bergmann, M.

A study of outflow (OF) and BAL systems in Mrk 231 (and in similar IR QSOs) is presented. This study is based mainly on 1D and 2D spectroscopy (obtained at La Palma/WHT, HST, IUE, ESO/NTT, KPNO, APO...

Cerebral microbleeds in CADASIL: a gradient-echo magnetic resonance imaging and autopsy study (2002)

Dichgans, M., Holtmannspötter, M., Herzog, J., Peters, N., Bergmann, M., Yousry, T.A.

Background and Purpose: An increased frequency of clinically silent microbleeds (MB) has recently been observed in patients with sporadic small-vessel disease related to vascular amyloid deposition...

Manifestation of Y-chromosomal deletions in the human testis: a morphometrical and immunohistochemical evaluation (2002)

Luetjens, C.M., Gromoll, J., Engelhardt, M., Von Eckardstein, S., Bergmann, M., Nieschlag, E., ...

BACKGROUND: Deletions of the AZF (azoospermia factor) subregions on the Y chromosome are accompanied by a diverse spectrum of spermatogenic disturbances ranging from hypospermatogenesis to total...

Identification of a penta- and hexapeptide of islet amyloid polypeptide (IAPP) with amyloidogenic and cytotoxic properties (2000)

Tenidis, K., Waldner, M., Bernhagen, J., Fischle, W., Bergmann, M., Weber, M., ...

Pancreatic arnyloid is found in more than 95 % of type II diabetes patients. Pancreatic amyloid is formed by the aggregation of islet amyloid polypeptide (hIAPP or amylin), which is a 37-residue...

Large-order trend of the anomalous-dimensions spectrum of trilinear twist-3 quark operators (1999)

Bergmann, M., Schroers, W., Stefanis, N. G.

The anomalous dimensions of trilinear-quark operators are calculated at leading twist $t=3$ by diagonalizing the one-gluon exchange kernel of the renormalization-group type evolution equation for the...

Reversion of the differentiated phenotype and maturation block in Sertoli cells in pathological human testis (1999)

Steger, K., Rey, R., Louis, F., Kliesch, S., Behre, H.M., Nieschlag, E., ...

To study the relationship between abnormal Sertoli cell differentiation and spermatogenic impairment, we examined the expression of Sertoli cell markers normally lost at puberty, cytokeratin 18...

Intrinsic Transverse Size Effect (1994)

Bolz, J., Jakob, R., Kroll, P., Bergmann, M., Stefanis, N. G.

Two recently proposed concepts to improve the perturbative calculation of exclusive amplitudes, gluonic radiative corrections (Sudakov factor) and confinement size effects (intrinsic transverse...

A Critical Analysis of the Proton Form Factor with Sudakov Suppression and Intrinsic Transverse Momentum (1994)

Bolz, J., Jakob, R., Kroll, P., Bergmann, M., Stefanis, N. G.

The behavior of the proton magnetic form factor is studied within the modified hard scattering picture, which takes into account gluonic radiative corrections in terms of transverse separations. We...

Evolution Effects on the Nucleon Distribution Amplitude (1994)

Bergmann, M., Stefanis, N. G.

We study the Brodsky-Lepage evolution equation for the nucleon and construct an eigenfunction basis by including contributions of up to polynomial order $9$. By exployting the permutation symmetry...

Pepturbative and Nonperturbative Aspects of Exclusive Processes (1994)

Stefanis, N. G., Bergmann, M.

Invited talk presented at the Workshop on Quantum Field Theoretical Aspects of High Energy Physics, Kyffh\"auser, Germany, September 20-24, 1993; to be published in the Proceedings.

Heterotic Approach to the Nucleon Distribution Amplitude (1994)

Bergmann, M., Stefanis, N. G.

We give an in-depth analysis of the determination procedure of the recently proposed heterotic nucleon distribution amplitude which hybridizes the best features of the Chernyak-Ogloblin-Zhitnitsky...

On Proton and Delta Wave Functions (1994)

Stefanis, N. G., Bergmann, M.

Physical wave functions for the nucleon and the $\Delta^{+}$ isobar are presented, which unify the best features of previous models. With these wave functions we can calculate elastic form factors...

Nucleon Distribution Amplitudes and Observables (1994)

Stefanis, N. G., Bergmann, M.

Invited talk presented at the International Workshop on Hadron Structure '93, Bansk\'a \v Stiavnica, Slovakia, 5-10 September, 1993; to be published in the Proceedings.

Differential expression of synaptophysin and synaptoporin during pre- and postnatal development of the hippocampal network (1994)

Grabs, D., Bergmann, M., Schuster, Th., Fox, P. A., Brich, M., Gratzl, Manfred

The closely related synaptic vesicle membrane proteins synaptophysin and synaptoporin are abundant in the hippocampal formation of the adult rat. But the prenatal hippocampal formation contains only...

Ontogeny of synaptophysin and synaptoporin in the central nervous system (1993)

Ovtscharoff, W., Bergmann, M., Marquéze-Pouey, B., Knaus, P., Betz, H., Grabs, D., ...

The expression of the synaptic vesicle antigens synaptophysin (SY) and synaptoporin (SO) was studied in the rat striatum, which contains a nearly homogeneous population of GABAergic neurons. In situ...

Synaptophysin and synaptoporin expression in the developing rat olfactory system (1993)

Bergmann, M., Schuster, Th., Grabs, D., Marquéze-Pouey, B., Betz, H., Traurig, H., ...

The expressions of two closely related synaptic vesicle antigens synaptophysin and synaptoporin were examined in the olfactory system of the adult rat and during pre- and postnatal development. In...

On the Nucleon Distribution Amplitude: The Heterotic Solution (1992)

Stefanis, N. G., Bergmann, M.

We present a new nucleon distribution amplitude which amalgamates features of the Chernyak-Ogloblin-Zhitnitsky model with those of the Gari-Stefanis model. This "heterotic" solution provides the...

Analysis of $\Delta^{+}(1232)$ Isobar Observables, with Improved Quark Distribution Amplitudes (1992)

Stefanis, N. G., Bergmann, M.

A model distribution amplitude for the $\Delta^{+}(1232)$ isobar is proposed, derived on the basis of the QCD sum-rule calculations of Farrar et al. combined with those of Carlson and Poor. The...

Hierarchical modelling of production systems (1992)

Bergmann, M., Mertins, K., Rabe, M.

Modern simulation systems enable modelling of large an production systems. To achieve an adequate model struc hierarchical modelling is absolutely necessary. These to be available for all model...

Chromogranin A in neurons of the rat cerebellum and spinal cord: quantification and sites of expression (1992)

Lahr, G., Mayerhofer, A., Bergmann, M., Takiyyuddin, M. A., Gratzl, Manfred

Chromogranin A (CGA) is an abundant protein of dense-cored secretory vesicles in endocrine and neuronal cells. The present study, for the first time, compares CGA of neurons of the central nervous...

Correlation with basic differentiation processes of neurons (1991)

Bergmann, M., Lahr, G., Mayerhofer, A., Gratzl, Manfred

The development of the spinal cord involves the proliferation of neurons, their migration to well-defined areas, fiber outgrowth and synapse formation. The present study was designed to correlate the...

Transfection-mediated recombination of influenza A virus.

Bergmann, M, García-Sastre, A, Palese, P

Several mechanisms, including a high mutation rate and reassortment of genes, have been found to be responsible for the variability of influenza A viruses. RNA recombination would be another...

Mechanism of attenuation of a chimeric influenza A/B transfectant virus.

Luo, G, Bergmann, M, Garcia-Sastre, A, Palese, P

The ribonucleoprotein transfection system for influenza virus allowed us to construct an influenza A virus containing a chimeric neuraminidase (NA) gene in which the noncoding sequence is derived...

Transfection-mediated recombination of influenza A virus.

Bergmann, M, García-Sastre, A, Palese, P

Several mechanisms, including a high mutation rate and reassortment of genes, have been found to be responsible for the variability of influenza A viruses. RNA recombination would be another...

Mechanism of attenuation of a chimeric influenza A/B transfectant virus.

Luo, G, Bergmann, M, Garcia-Sastre, A, Palese, P

The ribonucleoprotein transfection system for influenza virus allowed us to construct an influenza A virus containing a chimeric neuraminidase (NA) gene in which the noncoding sequence is derived...

Familial pericentric inversion of chromosome 1 (p34q23) and male infertility with stage specific spermatogenic arrest.

Meschede, D, Froster, U G, Bergmann, M, Nieschlag, E

We report on two infertile brothers presenting with severe oligozoospermia or azoospermia. Testicular biopsy was performed on one of them and showed spermatogenic arrest at the level of primary...

Regional organisational audit of district departments of public health.

Alpin, V C, Bhan, A, Bennett, J, Bergmann, M

Organisational audit of public health in the United Kingdom is rare. To provide a framework for a structured organisational audit in district public health departments in one region organisational...