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2. Vasectomy

Author

Engelmann, Udo, Engelmann, Simon, Nieschlag, Eberhard, editor, Behre, Hermann M., editor, Kliesch, Sabine, editor, and Nieschlag, Susan, editor

Published
2023
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3. Adressen

Author

Michalk, Dietrich, primary, Schönau, Eckhard, additional, Ahrens, Wiebke, additional, Andres, Oliver, additional, Böhles, Hansjosef, additional, Brämswig, Jürgen H., additional, Brandl, Ulrich, additional, Braun, Max, additional, Brenner, Rolf, additional, Broekaert, Ilse Julia, additional, Büscher, Rainer, additional, Cirak, Sebahattin, additional, Crazzolara, Roman, additional, Diestelhorst, Michael, additional, Dittrich, Sven, additional, Döpfner, Manfred, additional, Dübbers, Martin, additional, Duran, Ibrahim, additional, Eber, Stefan, additional, Eifinger, Frank, additional, Emmel, Mathias, additional, Engelmann, Udo H., additional, Engelmann, Simon U., additional, Fricke, Oliver, additional, Ganser, Gerd, additional, Gontard, Alexander von, additional, Graf, Isabelle, additional, Grüters-Kieslich, Annette, additional, Haak, Rainer, additional, Hartmann, Kathi, additional, Hauffa, Berthold P., additional, Heininger, Ulrich, additional, Herkenrath, Peter, additional, Hesse, Gerhard, additional, Hofbeck, Michael, additional, Holl, Reinhard, additional, Holtmann, Martin, additional, Hoppe, Bernd, additional, Hoyer-Kuhn, Heike, additional, Hünseler, Christoph, additional, Huppertz, Hans-Iko, additional, Hüttenbrink, Karl-Bernd, additional, Keller, Klaus-Michael, additional, Kerzel, Sebastian, additional, Kirschner, Jan, additional, Kirschstein, Martin, additional, Klaus, Günter, additional, Koletzko, Berthold, additional, Koletzko, Sibylle, additional, Kömhoff, Martin, additional, Konrad, Martin, additional, Körner, Robert W., additional, Kuwertz-Bröking, Eberhard, additional, Land, Christof, additional, Landgraf, Pablo, additional, Laws, Hans-Jürgen, additional, Lentze, Michael J., additional, Licht, Christoph, additional, Lowden, Esther, additional, Luckhaus, Johannes, additional, Martakis, Kyriakos, additional, Mohnike, Klaus, additional, Niehues, Tim, additional, Nüsken, Eva, additional, Nüsken, Kai-Dietrich, additional, Nützenadel, Walter, additional, Paditz, Ekkehart, additional, Paul-Buck, Karl, additional, Querfeld, Uwe, additional, Ranke, Michael B., additional, Rascher, Wolfgang, additional, Rehberg, Mirko, additional, Riedel, Frank, additional, Scheyerer, Max J., additional, Schmalz, Gerhard, additional, Schorling, David, additional, Schwahn, Bernd C., additional, Schwarz, Tobias, additional, Schweigerer, Lothar, additional, Seyberth, Hannsjörg, additional, Simon, Thorsten, additional, Sinnecker, Gernot H.G., additional, Sollberg, Stephan, additional, Sperl, Wolfgang, additional, Sprinzl, Georg Mathias, additional, Sreeram, Narayanswami, additional, Striegel, Anne Kathrin, additional, Strunz, Verena, additional, Wabitsch, Martin, additional, Waldegger, Siegfried, additional, Walger, Martin, additional, von Wedel, Hasso, additional, Weiß, Michael, additional, Wiesner, Thomas, additional, Wirth, Stefan, additional, Yagdiran, Ayla, additional, Zöller, Joachim E., additional, and Zuberbier, T., additional

Published
2021
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7. Vasektomie

Author

Engelmann, Udo H., Gralla, Oliver, Nieschlag, Eberhard, editor, Behre, Hermann M., editor, and Nieschlag, Susan, editor

Published
2009
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8. Adressen

Author

Michalk, Dietrich, primary, Schönau, Eckhard, additional, Ahrens, Wiebke, additional, Baumann, Michael A., additional, Böhles, Hansjosef, additional, Brämswig, Jürgen H., additional, Brandl, Ulrich, additional, Brenner, Rolf, additional, Broekaert, Ilse Julia, additional, Büscher, Rainer, additional, Cirak, Sebahattin, additional, Crazzolara, Roman, additional, Diestelhorst, Michael, additional, Dittrich, Sven, additional, Döpfner, Manfred, additional, Dörr, Helmuth-Günther, additional, Dübbers, Martin, additional, Duran, Ibrahim, additional, Eber, Stefan, additional, Eckel, Hans Edmund, additional, Edelmann, Peter, additional, Emmel, Mathias, additional, Engelmann, Udo H., additional, Fartasch, Manige, additional, Fricke, Oliver, additional, Gahr, Manfred, additional, Ganser, Gerd, additional, von Gontard, Alexander, additional, Graf, Isabelle, additional, Grosse, Klaus-Peter, additional, Grüters-Kieslich, Annette, additional, Haak, Rainer, additional, Hauffa, Berthold P., additional, Heininger, Ulrich, additional, Herkenrath, Peter, additional, Hesse, Gerhard, additional, Hofbeck, Michael, additional, Holl, Reinhard, additional, Hoppe, Bernd, additional, Hoyer-Kuhn, Heike, additional, Hünseler, Christoph, additional, Huppertz, Hans-Iko, additional, Hüttenbrink, Karl-Bernd, additional, Keller, Klaus-Michael, additional, Kerzel, Sebastian, additional, Kirschner, Jan, additional, Kirschstein, Martin, additional, Klaus, Günter, additional, Koletzko, Berthold, additional, Koletzko, Sibylle, additional, Kömhoff, Martin, additional, Konrad, Martin, additional, Korge, Bernhard, additional, Kuwertz-Bröking, Eberhard, additional, Land, Christof, additional, Landgraf, Pablo, additional, Lauffer, Heinz, additional, Laws, Hans-Jürgen, additional, Lehmkuhl, Gerd, additional, Lentze, Michael J., additional, Licht, Christoph, additional, von Lilien-Schmidt, Anna-Laura, additional, Lowden, Esther, additional, Luckhaus, Johannes, additional, Mohnike, Klaus, additional, Müller-Wiefel, Dirk E., additional, Niehues, Tim, additional, Nützenadel, Walter, additional, Paditz, Ekkehart, additional, Partsch, Carl-Joachim, additional, Paul-Buck, Karl, additional, Querfeld, Uwe, additional, Ranke, Michael B., additional, Rascher, Wolfgang, additional, Riedel, Frank, additional, Rietschel, Ernst, additional, Roth, Bernhard, additional, Rüssmann, Walter, additional, Rütt, Jürgen, additional, Schmalz, Gerhard, additional, Schorling, David, additional, Schubert, Elke, additional, Schwahn, Bernd, additional, Schwarz, Tobias, additional, Schweigerer, Lothar, additional, Seyberth, Hannsjörg W., additional, Simon, Thorsten, additional, Sinnecker, Gernot H.G., additional, Sollberg, Stephan, additional, Sperl, Wolfgang, additional, Sprinzl, Georg Mathias, additional, Striegel, Anne Kathrin, additional, Stürmer, Konrad, additional, Überall, Michael, additional, Wabitsch, Martin, additional, Waldegger, Siegfried, additional, Walger, Martin, additional, von Wedel, Hasso, additional, Weiß, Michael, additional, Wiesner, Thomas, additional, Wirth, Stefan, additional, Zöller, Joachim E., additional, and Zuberbier, Torsten, additional

Published
2018
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15. Longevity of spermatozoa in the post-ejaculatory urine of fertile men

Author

Engelbertz, Fabian, Korda, Joanna B., Engelmann, Udo, Rothschild, Markus, and Banaschak, Sibylle

Subjects
Ejaculation -- Research, Semen -- Research, Spermatozoa -- Research, Urine -- Analysis, Urine -- Research, Law
Abstract

To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.forsciint.2009.10.002 Byline: Fabian Engelbertz (a), Joanna B. Korda (b), Udo Engelmann (c), Markus Rothschild (d), Sibylle Banaschak (d) Keywords: Spermaturia; Sperm longevity; Post-ejaculatory urine analysis; Semen Abstract: Many scientists of varying clinical backgrounds have described the phenomenon of spermaturia in animals, adolescents as well as fertile and infertile men. Nevertheless, research for an expert opinion on a law case in the field of forensic medicine revealed a lack of valid information about the longevity of spermatozoa in post-ejaculatory urine (PEU) of fertile men. Our goal was to measure the appearance of vivid sperm in PEU while considering the factor of time in order to predict a realistic interval, in which positive sperm findings might occur. Therefore ten healthy, young men donated their sperm for fertility analysis and a urine sample prior to and after ejaculation. The time intervals between ejaculation and the first micturition were preset ranging between 30min and maximal 11h. Each ejaculate underwent a semen analysis. The pre- and post-ejaculatory urine samples were screened for the presence of viable and motile spermatozoa. Semen parameters were determined and related to the sperm findings in the precipitate of the urine samples. The amount, the viability and motility status of the detected spermatozoa were recorded after each preset time interval. The results showed that none of the 10 participants had sperm in their urine samples prior to ejaculation. The average sperm concentration was 50.1[+ or -]25.8million/ml. After a time span of 30min 59.5% of the first fractions of PEU samples were sperm positive, after 2 and 4h still 70%, and after 5h sperm were no longer detected. The last motile spermatozoa could be found after 4.5h. It seems that remaining sperm in the urethra are washed out with the first micturition in the majority of fertile men, however, the conclusion as to whether sperm findings >5h after ejaculation are improbable needs to be confirmed by further investigations. Author Affiliation: (a) School of Medicine, University of Cologne, Cologne, Germany (b) Department of Men's Health and Clinic of Urology, University Medical Centre Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany (c) Department of Urology, University Hospital Cologne, Kerpener Str. 62, 50937 Cologne, Germany (d) Institute of Legal Medicine, University Hospital Cologne, Melatengurtel 60-62, 50823 Cologne, Germany Article History: Received 21 August 2009; Accepted 5 October 2009

Published
2010

17. In-situ-Prozesse für hybride Strukturbauteile in Leichtbauweise

Author

Kroll, Lothar, Drossel, Welf-Guntram, Technische Universität Chemnitz, Engelmann, Udo, Kroll, Lothar, Drossel, Welf-Guntram, Technische Universität Chemnitz, and Engelmann, Udo

Abstract

Ziel der vorliegenden Arbeit ist die Entwicklung eines neuartigen Ferti-gungsprozesses für hochfunktionalisierte Strukturbauteile in PFH-Technologie. Eigens für die Verarbeitung von FKV-Profilen wird das IHU/Spritzgießverfahren grundlegend analysiert und die einzelnen Pro-zessstufen durch den Einsatz geeigneter Prozessmedien und -parametrierungen modifiziert. Mit Hilfe umfangreicher analytischer und numerischer Berechnungen sowie erfolgreicher Umsetzung eines neuar-tigen Temperierungskonzeptes lassen sich erstmals FKV-Profile ohne den Einsatz von Barriereschichten, endkonturnah und reproduzierbar in seriellen Taktzeiten umformen. Zudem ist somit eine Funktionalisierung mittels Spritzgießen und ein gesamtheitliches Beherrschen des Hybrid-prozesses gegeben. Ein Vergleich der Verbindungsfestigkeiten mit hyb-riden Referenzbauteilen beweist, dass sich durch die stoffschlüssige Anbindung zeit- und kostenintensive Vorbehandlungen einsparen und gleichzeitig höhere Verbundqualitäten erzielen lassen. Um das PFH-Strukturbauteil mit montagegerechten Verbindungsschnittstellen zu werkstofflich andersgearteten Multimaterialstrukturen zu versehen, dient ein eigens entwickeltes prozesskomplementäres In-situ-Integrationsverfahren. Abschließend ist ein allgemeiner methodischer Ansatz für den technologischen Transfer und Adaption systematisch aufgeschlüsselt, sodass sich die einzelnen Entwicklungspfade nachvoll-ziehen lassen.:1 Einleitung 2 Zielsetzung 3 Stand der Wissenschaft und Technik 4 Anforderungen an einen faserverbund-gerechten IHU/Spritzgießprozess 5 Prozessentwicklung und Validierung 6 In-situ-Integrationsprozess für metallische Inserts 7 Konfiguration einer seriellen Fertigungstechnologie 8 Zusammenfassung und Ausblick Anhänge, The goal of this thesis is the development of a new production technol-ogy for highly functional lightweight structural parts. Therefor the hy-droforming supported overmolding process was chosen as a suiting manufacturing process. By usage of analytical and numerical calcula-tions as well as adapting a new kind of temperature distribution con-cept, the new Polymer-FRP-Hbyrid-Technology is enabled to manufac-ture frp-profile based structural components without the need for a barrier layer. The final product possesses its’s final shape already and has no need for further machining processes. A comparison with state-of-the-art metal-plastic-hybrid bonding systems shows a way higher value for the new technology due to the adhesive bond between the tape and injection molding polymer. Furthermore, the technology was enhanced with a process implemented insert joining process. Finally, a methodical approach for the technology transfer is presented.:1 Einleitung 2 Zielsetzung 3 Stand der Wissenschaft und Technik 4 Anforderungen an einen faserverbund-gerechten IHU/Spritzgießprozess 5 Prozessentwicklung und Validierung 6 In-situ-Integrationsprozess für metallische Inserts 7 Konfiguration einer seriellen Fertigungstechnologie 8 Zusammenfassung und Ausblick Anhänge

Published
2021

20. Autorinnen und Autoren

Author

Ahrens, Wiebke, primary, Baumann, Michael A., additional, Behrens, Rolf, additional, Belohradsky, Bernd H., additional, Böhles, Hansjosef, additional, Brämswig, Jürgen H., additional, Brandl, Ulrich, additional, Brenner, Rolf E., additional, Brockmeier, Konrad, additional, Büscher, Rainer, additional, Diestelhorst, Michael, additional, Dockter, Gerd, additional, Döpfner, Manfred, additional, Günther Dörr, Helmuth, additional, Eckel, Hans Edmund, additional, Edelmann, Peter, additional, Eifinger, Franz F., additional, Engelmann, Udo H., additional, Fartasch, Manigé, additional, Feist, Dietrich, additional, Gaedicke, Gerhard, additional, Gahr, Manfred, additional, Ganser, Gerd, additional, von Gontard, Alexander, additional, Grosse, Klaus-Peter, additional, Grüters-Kieslich, Annette, additional, Hauffa, Berthold P., additional, Heininger, Ulrich, additional, Herkenrath, Peter, additional, Hofbeck, Michael, additional, Holl, Reinhard W., additional, Holschneider, Alexander M., additional, Hoppe, Bernd, additional, Huppertz, Hans-Iko, additional, Jopp-Petzinna, Gabriele, additional, Kahl-Nieke, Bärbel, additional, Keller, Klaus-Michael, additional, Kirschstein, Martin, additional, Klaus, Günter, additional, Klinge, Lars, additional, Koletzko, Berthold, additional, Koletzko, Sibylle, additional, Konrad, Martin, additional, Korge, Bernhard, additional, Land, Christof, additional, Lauffer, Heinz, additional, Lehmkuhl, Gerd, additional, Lentze, Michael J., additional, Lettgen, Bernhard, additional, Licht, Christoph, additional, Lowden, Esther, additional, Luckhaus, Johannes, additional, Michalk, Dietrich, additional, Müller-Berghaus, Jan, additional, Müller-Wiefel, Dirk E., additional, Naumann, Emil G., additional, Neuhäuser, Gerhard, additional, Nützenadel, Walter, additional, Paditz, Ekkehart, additional, Partsch, Carl-Joachim, additional, Paul, Karl, additional, Pillekamp, Frank, additional, Querfeld, Uwe, additional, Ranke, Michael B., additional, Rascher, Wolfgang, additional, Riedel, Frank, additional, Rietschel, Ernst, additional, Roth, Bernhard, additional, Rüssmann, Walter, additional, Rütt, Jürgen, additional, Schauseil-Zipf, Ulrike, additional, Schönau, Eckhard, additional, Schubert, Elke, additional, Schwahn, Bernd, additional, Schweigerer, Lothar, additional, Seyberth, Hannsjörg W., additional, Simon, Thorsten, additional, Singer, Helmut, additional, Sinnecker, Gernot H.G., additional, Sollberg, Stephan, additional, Sperl, Wolfgang, additional, Sprinzl, Georg Mathias, additional, Streppel, Michael, additional, Sutor†, Anton H., additional, Überall, Michael A., additional, Ulmer, Herbert E., additional, Voit, Thomas, additional, Wabitsch, Martin, additional, Wahn, Ulrich, additional, Waldegger, Siegfried, additional, Walger, Martin, additional, von Wedel, Hasso, additional, von Wedel, Ulla-Christiane, additional, Weiß, Michael, additional, Weißbach, Gerhard, additional, Widemann, Brigitte, additional, Wirth, Stefan, additional, Zöller, Joachim E., additional, and Zuberbier, Torsten, additional

Published
2011
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32. Nitric oxide pathways in human bladder carcinoma

Author

Ehsan, Amgad, Sommer, Frank, Schmidt, Annette, Klotz, Theodor, Koslowski, Jolanta, Niggemann, Sandra, Jacobs, Georg, Engelmann, Udo, Addicks, Klaus, and Bloch, Wilhelm

Subjects
Oncology, Experimental -- Analysis, Cancer patients -- Health aspects, Cancer patients -- Care and treatment, Cancer patients -- Drug therapy, Bladder cancer -- Health aspects, Bladder cancer -- Care and treatment, Bladder cancer -- Drug therapy, Nitric oxide -- Physiological aspects, Phosphates -- Physiological aspects, Antimitotic agents -- Physiological aspects, Antineoplastic agents, Health
Published
2002

35. Retinal side-effects of sildenafil

Author

Vobig, Michael A, Klotz, Theo, Staak, Michael, Bartz-Schmidt, Karl Ulrich, Engelmann, Udo, and Walter, Peter

Published
1999

40. Long-term efficacy and safety of PRO 160/120 (a combination of Sabal and Urtica extract) in patients with lower urinary tract symptoms (LUTS). (Short Communication)

Author

Bondarenko, Boris, Walther, Carola, Funk, Petra, Schlafke, Sandra, and Engelmann, Udo

Subjects
Saw-palmetto -- Health aspects -- Physiological aspects -- Chemical properties, Urologic diseases -- Drug therapy, Nettles -- Health aspects -- Physiological aspects -- Chemical properties, Urinary organs -- Physiological aspects -- Chemical properties -- Health aspects, Biological sciences, Health, Science and technology, Drug therapy, Chemical properties, Physiological aspects, Health aspects
Abstract

Lower urinary tract symptoms (LUTS) are a very common phenomenon in ageing males (Treagust et al., 2001; Berges et al., 2001) predominantly caused by benign prostatic hyperplasia (BPH). Prostatic enlargement [...]

Published
2003

45. Der Weg zum funktionalisierten FKV-Rohr

Author

Engelmann, Udo, Layer, Markus, Albert, André, Reese, Eckhard, Landgrebe, Dirk, Kroll, Lothar, Nendel, Wolfgang, and Publica

Subjects
Stoffschluss, Technologiefusion, Produktivitaetssteigerung
Abstract

Im Bundesexzellenzcluster Merge werden neue Prozesse zum Innenhochdruck-Spritzgießen für die Verarbeitung thermoplastischer Faserverbunde erforscht. Mit Gas als Umform- und Stützmedium wurden erstmals faserverstärkte Kunststoffröhre verarbeitet. Damit gelang es den Forschern, in konkreten Anwendungsfällen das Bauteilgewicht und die Prozesskosten zu senken sowie die Produktivität zu steigern. Für die Verarbeitung thermoplastischer Faserverbundhalbzeuge in einer Kombination aus Innenhochdruck-Umformen und Spritzgießen haben Forscher und Industriepartner die aus der Metallverarbeitung stammende Prozessstrategie angepasst und eine neuartige Infrarotheizvorrichtung entwickelt. Durch die Verwendung von Gas als Umformmedium wurden erstmals komplexe, auf faserverstärkten Kunststoffrohren basierende Bauteile hergestellt. Der neue Prozess trägt dazu bei, in der Faserverbundtechnik bisher brachliegende Potenziale zur Gewichtsreduktion, Produktivitätssteigerung und Senkung der Prozesskosten zu erschließen. Die Vorzüge der Technologiefusion liegen zudem in der Produkt- und Prozessgestaltung (durch den Stoffschluss zwischen FKV und Thermoplast) und in der Substitution der HFA-Flüssigkeit durch Gas.

Published
2017

48. miRNA expression profiles in high-grade prostatic intraepithelial neoplasia.

Author

Eminaga, Okyaz, Woetzel, Fabian, Fries, Jochen, Neiss, Susanne, Heitmann, Michaela, Engelmann, Udo, Heidenreich, Axel, Warnecke-Eberz, Ute, Eminaga, Okyaz, Woetzel, Fabian, Fries, Jochen, Neiss, Susanne, Heitmann, Michaela, Engelmann, Udo, Heidenreich, Axel, and Warnecke-Eberz, Ute

Published
2016

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