R. Schmitt

Details der Publikationsliste

Zeitraum

1969 - 2009

Anzahl

312

Co-Autoren

Charged Kaon Mass Measurement using the Cherenkov Effect (2009)

Lebedev, A., Abrams, R. J., Akgun, U., Aydin, G., Baker, W., ...

The two most recent and precise measurements of the charged kaon mass use X-rays from kaonic atoms and report uncertainties of 14 ppm and 22 ppm yet differ from each other by 122 ppm. We describe the...

Search for weakly interacting massive particles with the first five-tower data from the cryogenic dark matter search at the Soudan underground laboratory (2009)

Ahmed, Z., Akerib, D. S., Arrenberg, S., Attisha, M. J., Bailey, C. N., Baudis, L., ...

We report results from the Cryogenic Dark Matter Search at the Soudan Underground Laboratory (CDMS II) featuring the full complement of 30 detectors. A blind analysis of data taken between October...

Faseroptische Rundheitsmessung von Bohrlöchern mit kleinem Durchmesser (2009)

Schmitt, R., König, N., Depiereux, F.

Tactile probing systems are state-of-the-art for roundness measurements. However, the inspection of materials that can easily be deformed or even damaged often prohibits tactile probing. Measurements...

Microscale mass production (2009)

Brecher, C., Weinzierl, M., Niehaus, F., Schmitt, R., Köllmann, D.

The article deals with the integrated approach of the Production4µ project. This approach considers all relevant disciplines of microproduction, starting from microsystems design to the continuous...

Highly accurate distance measurements with a fiber-optical interferometer (2009)

Depiereux, F., König, N., Lehmann, P., Pfeifer, T., Schmitt, R.

Today micro-system technology and the development of new MEMS are emerging rapidly. In order for this development to become a success in the long run, measurement systems have to ensure product...

Maschinenüberwachung mit hochgenauen faseroptischen Abstandssensoren (2009)

Schmitt, R., Mallmann, G.

Mit den im Fraunhofer IPT, Aachen, (DE), entwickelten miniaturisierten, abstandsmessenden Fasersensoren lassen sich Form und Lage an mehreren Stellen gleichzeitig nanometergenau und mit hoher...

Professionalisierung des mechatronischen Entwicklungsprozesses durch Anwendung eines Reifegradmodells (2009)

Rauchenberger, J., Spiegelberger, B., Stetter, R., Schmitt, R.

The integration of mechanical, electronical and informational components characterizes modern technical products. These mechatronic systems usually provide high product functionality by which the...

Fiber-optical interferometer for distance measurements: Investigation of linearity (2009)

Depiereux, F., Hamm, W., Schmitt, R., Mallmann, G.F.

Interferometrische Messprinzipien lassen sich sehr gut in faseroptischen Systemen nutzen, wobei deren Kombination den Aufbau von innovativen Messsystemen mit herausragenden Eigenschaften wie...

Größer, genauer und integrierter. Roadmap Fertigungsmesstechnik 2020. Teil 5 (2009)

Schmitt, R., Jatzkowski, P., Nisch, S., Imkamp, D.

Mit den Anforderungen an technische Großteile nehmen auch die Anforderungen an den Einsatz von Makromesstechnik in der Fertigung zu. Es wird gezeigt, wie steigende Toleranzanforderungen an große...

A Knowledge-Based Procedure to Approach Texture Analysis (2008)

R. Schmitt, A. Orth, B. Damm

Texture analysis is now a wide research field which is almost impossible to overlook entirely. Different approaches are used to solve very specific tasks and an uncountable variety of algorithms...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

This version, Atmospheric Chemistry and Physics, 2008, 8,(6),1789-1812 and can be accessed at http://www.atmos-chem-phys.net/8/1789/2008/acp-8-1789-2008.html

Outsourcing von Ingenieurdienstleistungen: Eine Standortbestimmung der deutschen Industrie (2008)

Schmitt, R., Prefi, T., Grundmann, T.

The increasing significance of outsourced business processes was the reason for the Fraunhofer Institute of Production Technology 1PT and the P3 engineering company for management and organisation to...

Photolysis frequency measurement techniques: results of a comparison within the ACCENT project (2008)

Bohn, B., Corlett, G. K., Gillmann, M., Sanghavi, S., Stange, G., Tensing, E., ...

An intercomparison of different radiometric techniques measuring atmospheric photolysis frequencies j(NO2), j(HCHO) and j(O1D) was carried out in a two-week field campaign in June 2005 at Jülich,...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Photolysis frequency measurement techniques: results of a comparison within the ACCENT project (2008)

Bohn, B., Corlett, G. K., Gillmann, M., Sanghavi, S., Stange, G., Tensing, E., ...

An intercomparison of different radiometric techniques measuring atmospheric photolysis frequencies j(NO2), j(HCHO) and j(O1D) was carried out in a two-week field campaign in June 2005 at Jülich,...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Virtuelle Messgeräte - Definition und Stand der Entwicklung (2008)

Schmitt, R., Koerfer, F., Sawodny, O., Zimmermann, J., Krüger-Sehm, R., Min, X., ...

Micro- and nanotechnology experienced a high economic growth in recent years. This yields in a growing demand for measuring instruments which are closely linked to the production process. Virtual...

Trends bei der Entwicklung von Normalen für die Mikro- und Nanomesstechnik - Herausforderungen und Lösungsansätze (2008)

Weckenmann, A., Wiedenhöfer, T., Büttgenbach, S., Krah, T., Fleischer, J., Buchholz, I., ...

Micro- and nano-metrology permanently need new standards. New approaches in design, production and application have to be developed, in order to fulfil the requirements and boundary conditions of...

Modellierung optischer Messprozesse: Untersuchung der Interferenzmikroskopie mittels Simulationen (2008)

Schmitt, R., Koerfer, F., Bichmann, S.

This paper presents the findings of the project "virtual interference microscope". A simulation environment for optical measurement systems, especially for interference microscopes based on...

Einkauf ohne Risiko?: Risiko- und Kostenminimierung bei internationalen Beschaffungen (2008)

Schmitt, R., Kukolja, J.

Beschaffung aus Niedriglohnländern in Asien oder Osteuropa bleibt trotz hoher Attraktivität mit Risiken verbunden. Das Fraunhofer IPT hat ein ganzheitliches Qualitätskonzept entwickelt, mit dem...

Messen auf kleinstem Raum - Faseroptische Miniatursensoren für Kavitäten und Bohrungen (2008)

Schmitt, R., König, N., Depiereux, F.

Das Fraunhofer-Institut für Produktionstechnologie in Aachen hat ein System für die hochgenaue Messung von kleinen Kavitäten und Bohrungen entwickelt. Das Messprinzip basiert auf der...

Die optimale Strategie - Formmessung auf Koordinatenmessgeräten (2008)

Schmitt, R., Nisch, S.

Am Lehrstuhl für Fertigungsmesstechnik und Qualitätsmanagement des Werkzeugmaschinenlabors WZL der RWTH Aachen werden zurzeit praxistaugliche Strategien für den optimalen Einsatz von...

Integrative Produktionstechnik für Hochlohnländer: Aachener Werkzeugmaschinen-Kolloquium 2008 erörtert Strategien und Technologien (2008)

Brecher, C., Schmitt, R., Klocke, F., Schuh, G.

Experten aus verschiedenen Bereichen der produzierenden Industrie sowie Wissenschaftler des Werkzeugmaschinenlabors der RWTH Aachen, des Fraunhofer-Instituts für Produktionstechnologie und der...

Influence of clouds on the spectral actinic flux in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

Thiel, S., Ammanato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Roundness measurement of boreholes with small diameters using a fiber-optic sensor (2008)

Schmitt, R., König, N., Depiereux, F.

Within this work, a roundness measurement system has been described, which is based on low-coherence interferometry. The highly accurate, non-tactile probing and the miniaturized fiber-optic probe...

Prüfen und Messen im Takt: Wie Sie mit Inline-Messtechnik Ihre Wertschöpfung maximieren (2008)

Schmitt, R., Damm, B.E.

Inline-Messtechnik erfasst Messdaten innerhalb der Fertigungslinie taktgebunden und nutzt sie zur Prozesssteuerung und Qualitätssicherung. Dadurch kann schnell auf Prozessänderungen reagiert...

Flexibel automatisierte Montage von Festkörperlasern: Auf dem Weg zur flexiblen Montage mittels kooperierender Roboter und Sensorfusion (2008)

Schmitt, R., Pavim, A., Brecher, C., Pyschny, N., Loosen, P., Funck, M., ...

Automated assembly of high-quality optical systems is a challenging task and frequently decides upon product quality and costs and thereby upon success or failure of a product. This article describes...

Die optische Kohärenztomografie (OCT) zur Darstellung der Regenerateigenschaften im Tissue Engineering von Knorpelgewebe (2008)

Gavenis, K, Schmitt, R., Eder, K., Mumme, T., Andereya, S., Schneider, U., ...

Aim: The aim of this study was to investigate hyaline cartilage defects treated with cell-seeded artificial matrix systems (two different collagen type I gels) with the method of optical coherence...

Abschätzung der Messunsicherheit komplexer Messsysteme mittels statistischer Simulation durch den Hersteller (2008)

Schmitt, R., Fritz, P., Jatzkowski, P., Lose, J., Koerfer, F., Wendt, K.

Das Beherrschen von Prüfprozessen ist eine zentrale Voraussetzung für das Sichern der Produktqualität bei gleichzeitig wirtschaftlicher Produktion. Daher breitet sich die Forderung nach einem...

Strategic servicification - A quality based approach beyond service-engineering (2008)

Schmitt, R., Hatfield, S.

This article describes the framework needed to develop service activities in alignment with a company's strategy. First, the Aachen Quality Management Model is presented which describes how corporate...

Kognition und Reaktion. Die mitdenkende Fabrik (2008)

Bauer, N., Fallböhmer, M., Isermann, M., Lau, C., Schmitt, R., Schuster, A., ...

Today, value chains are usually considered fractionally and on the basis of simplified model assumptions and can therefore only be regarded fractionally. Interactions between processes, materials,...

Risiken und Chancen für KMU auf dem Weg nach Asien (2008)

Schmitt, R., Voigt, T., Scharrenberg, C., Schumacher, S.

Der chinesische Dienstleistungssektor wird immer bedeutender, sodass der Sprung nach China gerade europäischen Dienstleistern attraktiv erscheint. In der Praxis gilt es jedoch, mit den besonderen...

Flexibel automatisierte Montage von Festkörperlasern - Auf dem Weg zur flexiblen Montage mittels kooperierender Roboter und Sensorfusion (2008)

Schmitt, R., Pavim, A., Brecher, C, Pyschny, N., Loosen, P., Funck, M.

Dieser Beitrag beschreibt die grundlegenden Ideen, Konzepte und ersten Ergebnisse der RWTH Aachen für eine flexibel automatisierte Montage von diodengepumpten Festkörperlasern für Beschriftungen....

Steigerung der Zuverlässigkeit mechatronischer Systeme (2008)

Stetter, R., Spiegelberger, B., Rauchenberger, J., Schmitt, R.

Moderne technische Produkte zeichnen sich durch die Integration mechanischer, elektronischer und informationstechnischer Komponenten aus. Diese mechatronischen Systeme verfugen in der Regel über...

Technical advances in ultra-precision machining of freeform optics by function-oriented testing (2008)

Brecher, C., Schmitt, R., Köllmann, D., Merz, M.

Freeform geometries enable new systems in geometrical optics by combining the functionality of different optical components and, thus, reducing the required number of components in the system. The...

In-situ interferometric form testing for adaptive mold finishing (2008)

Schmitt, R., Brecher, C., Vielhaber, K., Tücks, R., Merz, M.

The manufacturing of molds for the replication of optical components is highly demanding due to the small tolerances that are needed in order to fulfill the desired function of the replicated lenses....

Reference processes for collaborative engineering and quality control within product lifecycle management (2008)

Schmitt, R., Hatfield, S., Kukolja, J.

This paper presents a framework for reference processes concerning Collaborative Engineering and Quality Control. These two fields are responsible for a successful product design and development. The...

Harmonisation of design phase and production process planning by the application of quality gates (2008)

Schmitt, R., Scharrenberg, C., Neise, T.

Optical components with complex surfaces, like aspherical or free-formed surfaces, can be considered as typical examples for complex products. In the Transregional Research Project SFB/TR4 the...

Sub-micron referencing system for ultraprecision machining processes (2008)

Brecher, C., Weinzierl, M., Rashid, A., Schmitt, R., Köllmann, D.

The set-up of ultraprecision machining processes is characterized by manual process steps which require a lot of personal skill and experience to full fill sub-micron requirements in form accuracy....

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2008)

S. Thiel, L. Ammannato, A. Bais, B. Bandy, M. Blumthaler, B. Bohn, ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Photolysis frequency measurement techniques: results of a comparison within the ACCENT project (2008)

B. Bohn, G. K. Corlett, M. Gillmann, S. Sanghavi, G. Stange, E. Tensing, ...

An intercomparison of different radiometric techniques measuring atmospheric photolysis frequencies <i>j</i>(NO<sub>2</sub>), <i>j</i>(HCHO) and...

Photolysis frequency measurement techniques: results of a comparison within the ACCENT project (2008)

B. Bohn, G. K. Corlett, M. Gillmann, S. Sanghavi, G. Stange, E. Tensing, ...

An intercomparison of different radiometric techniques measuring atmospheric photolysis frequencies <I>j</I>(NO<sub>2</sub>), <I>j</I>(HCHO) and...

The MAGIC Project: Contributions to ICRC 2007 (2007)

Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Baixeras, C., ...

The MAGIC Project: Contributions to ICRC 2007, Merida, Mexico. Contents pages for the Contribution on behalf of the MAGIC Collaboration to the 30th ICRC that took place in July 2007 in Merida,...

Probing quantum gravity using photons from a flare of the active galactic nucleus Markarian 501 observed by the MAGIC telescope (2007)

Albert, J, Aliu, E, Anderhub, H, Antonelli, L A, Antoranz, P, Backes, M, ...

We use the timing of photons observed by the MAGIC gamma-ray telescope during a flare of the active galaxy Markarian 501 to probe a vacuum refractive index ~ 1-(E/M_QGn)^n, n = 1,2, that might be...

BI-RADS lexicon: An urgent call for standardization of breast ultrasound in Nigeria (2007)

Obajimi, MO, Akute, OO, Afolabi, AO, Adenipekun, AA, Oluwasola, AO, Akang, EEU, ...

No Abstract. Keywords: BI-RADS; lexicon; breast; ultrasound; Nigeria Annals of Ibadan Postgraduate Medicine Vol. 3 (1) 2005: pp. 82-88

Fiber-optical sensor with miniaturized probe head and nanometer accuracy based on spatially modulated low-coherence interferogram analysis (2007)

Depiereux, F., Lehmann, P., Pfeifer, T., Schmitt, R.

Fiber-optical sensors have some crucial advantages compared with rigid optical systems. They allow miniaturization and flexibility of system setups. Nevertheless, optical principles such as...

Neue Kernkompetenz - Kompetenzzentrum für Qualität in der Produktentwicklung (2007)

Kukolja, J., Schmitt, R.

Unternehmen schließen sich zusammen, entwickeln gemeinsam Produkte und fördern ihre eigenen Kernkompentenzen. Das unternehmensübergreifende Qualtiätsmanagement stellt sich dabei neuen...

A two dimensional scanning setup for precise addressing of fibers in a fiber bundle (2007)

Schmitt, R., Eder, K.

A fiber optical scanning set-up is presented, which acts as a fiber addresser between an optical measurement system and a flexible waveguide bundle. A light beam is positioned and coupled into the...

Die Lieferanten gekonnt ins Netzwerk integrieren (2007)

Schmitt, R., Kukolja, J., Seite, F.

Industrielle Unternehmen sind auf eine funktionierende Zusammenarbeit mit Lieferanten angewiesen. Der Beizug eines Netzwerkintegrators - Unternehmen, die auf Lieferanten-Management spezialisiert sind...

Automatisierung der Oberflächenprüfung von Landeklappen (2007)

Schmitt, R., Dietrich, B., Lolling, A., Zapf, C., Chaineux, D.

Kennzeichnend für die heutige Produktion sind eine hohe Teilevielfalt und die Komplexität von Einzelteilen und Baugruppen. Ein Beispiel für die steigende Komplexität ist die zunehmende Anzahl an...

Deflektometrie zur Ebenheitsbestimmung. Anwendung der Streifenreflexion zur Waferinspektion (2007)

Schmitt, R., Köllmann, D., Herben, M.

Die Deflektometrie ist ein neuartiger und vielversprechender Ansatz für die Ebenheitsmessung von spiegelnden Oberflächen. Der Artikel beschäftigt sich mit der Eignungsuntersuchung dieses...

Sind taktile und optische Rauheitsmessungen vergleichbar? (2007)

Dietzsch, M., König, N., Schmitt, R., Seewig, J.

Zum Beantworten der Frage: Sind taktile und optische Rauheitsmessungen vergleichbar? wurden an drei Lehrstühlen für Fertigungsmesstechnik die Profile von verschiedenen Werkstücken: Raunormale,...

Geprüfte Schneidplatte. Machine Vision System zur Prüfung in der Wendeschneidplattenproduktion (2007)

Schmitt, R., Hermes, R., Bittencourt, J.L.

Zur Qualitätsprüfung von Wendeschneidplatten bietet sich die industrielle Bildverarbeitung an, um die manuellen Prüfprozesse zu automatisieren und zu objektivieren. Am WZL der RWTH Aachen wurde...

Fiber-based white-light interferometer with improved sensor tip and stepped mirror (2007)

Depiereux, F., Konig, N., Pfeifer, T., Schmitt, R.

White-light interferometry has been a well-known and established measurement technique for years. However, in certain fields of production technology, such as microassembly or small-cavity...

Risikominimierte Beschaffung in Niedriglohnmärkten (2007)

Schmitt, R., Kukolja, J.

Durch die fortschreitende Öffnung der osteuropäischen und asiatischen Märkte erschließen sich für produzierende Unternehmen immer mehr Perspektiven, große Einsparungen durch die Beschaffung von...

Qualitätsmanagement bei der Entwicklung software-intensiver technischer Produkte (2007)

Schmitt, R., Rauchenberger, J.

Der Einsatz von Software gewinnt in technischen Produkten zunehmend an Bedeutung. Die Schwierigkeit der Softwareentwicklung an sich zeigt eine Studie der Standish Group International aus dem Jahr...

Mit weicher Röntgenstrahlung hochgenau messen: Weiche Röntgenstrahlung fur Anwendungen innerhalb der Materialwissenschaften und der Oberflächenmesstechnik (2007)

Schmitt, R., Damm, B.E., Juschkin, L.

Bildgebende Verfahren zur Messung und Prüfung unterschiedlicher Objektmerkmale sind durch eine hohe Flexibilität gekennzeichnet. Neben herkömmlichen Prüfverfahren, die auf sichtbarem Licht oder...

Planning, control and improvement of cross-site production process chains (2007)

Schmitt, R., Scharrenberg, C.

The production of technologically challenging products often requires a number of highly specialised manufacturing technologies. The resulting process is characterised more and more by cross-site or...

Increase of process robustness through offline process control and noise factor influence reduction (2007)

Bobzin, K., Ernst, F., Zwick, J., Richardt, K., Schmitt, R., Doeren, J.

After having established an offline process control based on the optical process diagnostic system PFI (Particle Flux Imaging) the process robustness has been increased by experimental identification...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2007)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2007)

Thiel, S., Ammannato, L., Bais, A., Bandy, B., Blumthaler, M., Bohn, B., ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Messprozesse besser verstehen: Simulation optischer Messsysteme zur Unsicherheitsermittlung (2007)

Koerfer, F., Schmitt, R.

In diesem Beitrag werden die Untersuchungen zum virtuellen Interferenzmikroskop vorgestellt. Am Fraunhofer IPT wurde eine Simulationsumgebung realisiert, mit der optische Messverfahren und im...

Entwicklung einer allgemeingültigen Regelbasis für thermische Spritzverfahren mit Hilfe des präventiven Qualitätsmanagements, Kennwort: ProSpray: Abschlussbericht zum Innonet Projekt ProSpray IN-3530. Berichtszeitraum: 07/2003 - 06/2006 (2007)

Schwenk, A., Wank, A., Bobzin, K., Ernst, F., Schmitt, R., Dören, J., ...

Der Prozess des thermischen Beschichtens ist für die spätere Produktqualität enorm wichtig. Die Prüfung auf Fehler der Schichten kann oftmals nur mit Hilfe einer zerstörenden Materialprüfung...

Influence of clouds on the spectral actinic flux density in the lower troposphere (INSPECTRO): overview of the field campaigns (2007)

S. Thiel, L. Ammannato, A. Bais, B. Bandy, M. Blumthaler, B. Bohn, ...

Ultraviolet radiation is the key factor driving tropospheric photochemistry. It is strongly modulated by clouds and aerosols. A quantitative understanding of the radiation field and its effect on...

Flux upper limit of gamma-ray emission by GRB050713a from MAGIC Telescope observations (2006)

Albert, J., Aliu, E., Anderhub, H., Antoranz, P., Armada, A., Asensio, M., ...

The long-duration GRB050713a was observed by the MAGIC Telescope, 40 seconds after the burst onset, and followed up for 37 minutes, until twilight. The observation, triggered by a SWIFT alert,...

Measurement technology for the machine-integrated determination of form deviations in optical surfaces (2006)

Schmitt, R., Doerner, D., Pfeifer, T.

Quality inspection of ultra precise mold inserts is conducted outside the manufacturing machine by using phase-shifting interferometers (PSI). Reworking or a local correction of form deviations is...

Maschinenintegrierte optische Messtechnik zur Quantifizierung von Verschleißbereichen an Umformwerkzeugen (2006)

Bichmann, S., Schmitt, R.

Viele optische Messverfahren werden bereits in Achsenportalen von Koordinatenmes sgeräten betrieben. Insbesondere die Kombination verschiedener optischer Messtec hniken - auch mit taktilen...

Großflächige Mikrostrukturierung (2006)

Brecher, C., Schmitt, R., Lange, S.C., Koerfer, F., Niehaus, F., Widemann, R.

Optical, microstructured components are manufactured by ultraprecision machining. An economic production of microstructured surfaces, that are increasing in size steadily, is only possible by endless...

Automatische 3D-Digitalisierung. Was maschinenintegrierte optische Scanner leisten (2006)

Bichmann, S., Schmitt, R.

Am Fraunhofer-Institut für Produktionstechnologie IPT in Aachen wurde erfolgreich ein Streifenprojektions

Produktrückrufe und Feldaktionen (2006)

Grundmann, T., Schmitt, R.

Produktrückrufe und Feldaktionen deutscher Unternehmen sind in der letzten Zeit verstärkt in den Fokus der Öffentlichkeit gelangt. Das Fraunhofer IPT hat auf Basis der Analyse von Rückrufaktionen...

Verdeckte Geometrien messen : Maschinenintegrierte Ultraschallsysteme für die individuelle Hohlteilbearbeitung (2006)

Schmitt, R., Hafner, P.

Bestimmte Herstellungsverfahren zur Fertigung hohler Bauteile und Strukturen erzeugen Werkstücke mit guten mechanischen Eigenschaften, jedoch mit erheblichen Abweichungen in Form und Toleranz....

Service zweiter Klasse? Strategien zur Sicherung des globalen Servicegeschäfts (2006)

Schmitt, R., Simon, M., Hatfield, S., Klenter, G.

Die deutsche Maschinenbaubranche lebt vom Export. Die Verfügbarkeit von attraktiven und global verfügbaren Serviceleistungen gewinnt als Differenzierungsmerkmal zunehmend im internationalen...

Methodenunterstützte Optimierung der Qualitätssicherung in der Produktion : Systemkomponente Fertigungsmesstechnik - Einsatz des Strategietools IDENT (2006)

Schmitt, R., Dietrich, B.

Um den Planungsaufwand für den zielgerichteten Einsatz der Fertigungsmesstechnik in vertretbaren Grenzen zu halten, wurde am Lehrstuhl für Fertigungsmesstechnik und Qualitätsmanagement des...

Hand am Steuer: Praxisgerechte Systematik für Veränderungsprozesse (2006)

Schmitt, R., Hatfield, S., Voigt, T.

Die Umsetzung organisatorischer Veränderung erfordert eine anwendungsgerechte Unterstützung. In einem Forschungsprojekt wurde eine umfassende Systematik entwickelt, mit der der Anwender den...

Automatisierte Werkzeugverschleißmessung : Prozessoptimierung durch bildverarbeitungsunterstützte Werkzeugbewertung (2006)

Schmitt, R., Hermes, R.

Bei jedem Fertigungsprozess treten Störungen auf, die sich an den gefertigten Bauteilen widerspiegeln. Einen erheblichen Einfluss haben Abweichungen durch Verschleiß der eingesetzten Werkzeuge. Die...

Kunden begeistern, Krisen effizient meistern: 10. Aachener Qualitätsgespräche (2006)

Kukolja, J., Schmitt, R.

Produktrückrufe und Feldaktionen deutscher Unternehmen sind in der jüngsten Vergangenheit verstärkt ins Blickfeld der Öffentlichkeit gelangt. Immer häufiger schreiben sogar produzierende...

Novel white-light interferometer with miniaturized sensor tip for absolute distance measurement in the sub millimeter range (2006)

Pfeifer, T., Schmitt, R., Depiereux, F.

White-light interferometry has been a well known and established measurement technique. However, in certain fields of production technology, such as micro assembly and small cavity inspection there...

The chicken leukocyte receptor complex: a highly diverse multigene family encoding at least five structurally distinct receptor types 1 (2005)

Viertlboeck, B.C., Habermann, F., Schmitt, R., Groenen, M.A.M., Göbel, T.W.F.

The chicken Ig-like receptors (CHIR) have been described as two Ig domain molecules with long cytoplasmic tails containing inhibitory motifs. In this study, we demonstrate that CHIR form a large...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

A. Kylling, A. R. Webb, R. Kift, G. P. Gobbi, L. Ammannato, F. Barnaba, ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A.R., Kift, R., Gobbi, G.P., Ammannato, L., Barnaba, F., ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002 an extensive campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the actinic...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002 an extensive campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the actinic...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

Kylling, A., Webb, A. R., Kift, R., Gobbi, G. P., Ammannato, L., Barnaba, F., ...

In September 2002, the first INSPECTRO campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the...

Spectral actinic flux in the lower troposphere: measurement and 1-D simulations for cloudless, broken cloud and overcast situations (2005)

A. Kylling, A. R. Webb, R. Kift, G. P. Gobbi, L. Ammannato, F. Barnaba, ...

In September 2002 an extensive campaign to study the influence of clouds on the spectral actinic flux in the lower troposphere was carried out in East Anglia, England. Measurements of the actinic...

In-situ detection of biocontamination on technical surfaces (2004)

Schüle, A., Schmauz, G., Schmitt, R.

Die Einhaltung und Überwachung von Grenzwerten maximal zulässiger Konzentration an Biokontamination ist in der hygienerelevanten Produktion von zentraler Bedeutung und wird in unterschiedlichen...

Materials design data for reduced activation martensitic steel type EUROFER (2004)

Tavassoli, A. A. F., Alamo, A., Bedel, L., Forest, L., Gentzbittel, J. M., Rensman, J. W., ...

Materials design limits derived so far from the data generated in Europe for the reduced activation ferritic/martensitic (RAFM) steel type Eurofer are presented. These data address the short-term...

Materials design data for reduced activation martensitic steel type EUROFER. (2004)

Tavassoli, A.A.F., Alamo, A., Bedel, L., Forest, L., Gentzbittel, J.M., Rensman, J.W., ...

11th Internat.Conf.on Fusion Reactor Materials (ICFRM-11), Kyoto, J, December 7-12, 2003

Deformation and lifetime modelling for ferritic martensitic steels. (2004)

Aktaa, J., Schmitt, R.

11th Internat.Conf.on Fusion Reactor Materials (ICFRM-11), Kyoto, J, December 7-12, 2003

Measurement of the mass difference m(D-s(+))-m(D+) at CDF II (2003)

Acosta, D., Affolder, T., Ahn, M. H., Akimoto, T., Albrow, M. G., Alcorn, B., ...

We present a measurement of the mass difference m(D-s(+))-m(D+), where both the D-s(+) and D+ are reconstructed in the phipi(+) decay channel. This measurement uses 11.6 pb(-1) of data collected by...

Investigations to size effects on plastic deformation and failure behaviour of flat tensile specimens with notches. (2003)

Aktaa, J., Klotz, M., Schmitt, R.

GOM User Meeting : Optical Deformation Measurement in Material Testing and Conceptual Design, Braunschweig, April 7-8, 2003

Actinic flux determination from measurements of irradiance. (2003)

Kylling, A., Webb, A.R., Bais, A.F., Blumthaler, M., Schmitt, R., Thiel, S., ...

Journal of Geophysical Research, 108(D16), 4506, doi:10.1029/2002JD003236, 2003

Size effects on failure behavior of reactor pressure vessel steel and their dependence on deformation inhomogeneity. (2003)

Aktaa, J., Klotz, M., Schmitt, R.

Transactions of the 17th Internat.Conf.on Structural Mechanics in Reactor Technology (SMiRT 17), Praha, CZ, August 17-22, 2003

Ultraschallwandler mit Gehaeuse (2002)

Heinz, M., Trautmann, T., Schmitt, R.

WO 200265446 A UPAB: 20021007 NOVELTY - The ultrasound transducer has a housing (1) with a base (11) and a peripheral wall enclosing an open volume containing an acoustic damping material (4), the...

Final status of tensile tests on scaled specimens. (2002)

Aktaa, J., Klotz, M., Schmitt, R.

7th LISSAC Project Meeting, Forschungszentrum Karlsruhe, 7.-8.November 2002

Estimation of the actinic flux. (2002)

Kylling, A., Webb, A.R., Bais, A.F., Blumthaler, M., Gobbi, G.P., Schmitt, R., ...

EUROTRAC Symp.2002, Garmisch-Partenkirchen, 11.-15.März 2002 (Poster)

Observations of photochemically relevant species on the island of Crete. (2002)

Rappenglück, B., Kourtidis, K., Mihalopoulos, N., Melas, D., Schmitt, R., Rapsomanikis, S., ...

10th Scientific Conf.of the Internat.Association of Meteorology and Atmospheric Sciences (IAMAS), Commission for Atmospheric Chemistry and Global Pollution (CACGP),

Fatigue properties of RAFM steels. (2000)

Petersen, C., Schmitt, R.

IEA Workshop on RAFM-Steels, JAERI, Tokyo, J, November 2-3, 2000

Vorrichtung zur zeit- und ortsaufgeloesten Ortung eines miniaturisierten Ultraschall-Senders (1997)

Rupp, J., Heidmann, D., Schmitt, R., Bresser, B.

The encapsulated transmitter combines a fundamental-frequency oscillator (1) with a pulse sequence generator (2) and a pulse phase encoder (3) which may generate Barker codes or pseudonoise or...

On the spatial distribution and seasonal variation of lower-troposphere ozone over Europe (1997)

Scheel, H.E., Areskoug, H., Geiß, H., Gomiscek, B., Granby, K., Haszpra, L., ...

Surface ozone data from 25 European low-altitude sites and mountain sites located between 79 deg N and 28 deg N were studied. The analysis covered the time period March 1989-February 1993. Average...

Thermal and isothermal low cycle fatigue of MANET I and II. (1997)

Petersen, C., Schmitt, R., Garnier, D.

7th Internat.Conf.on Fusion Reactor Materials (ICFRM-7), Obninsk, GUS, September 25-29, 1995

Effects of hold-time and neutron-irradiation on the low-cycle fatigue behaviour of type 316-CL and their considerations in a damage model. (1997)

Aktaa, J., Horsten, M.G., Schmitt, R.

Structural Mechanics in Reactor Technology : Transactions of the 14th Internat.Conf., Lyon, F, August 17-22, 1997

Cyclic behavior of the martensitic steel F82H-mod.compared to MANET II. (1997)

Petersen, C., Schmitt, R.

Proc.of the 2nd Milestone Meeting of European Laboratories on the Development of Ferritic/Martensitic Steels for Fusion Technology, Karlsruhe, September 9-10, 1996.

Structural and mechanical properties of RA-F/M steels. (1997)

Aktaa, J., Petersen, C., Schmitt, R., Schäfer, L., Walter, M.

IEA Workshop on Reduced Activation Ferritic/Martensitic Steels, Tokyo, J, November 3-4, 1997

Cyclic fatigue of zirconia. (1996)

Schmitt, R., Fett, T., Munz, D.

Fatigue and Fracture Engineering Materials and Structures, 19(1996) S.1411-20

INTERLABORATORY CALIBRATION OF PEROXYACETYL NITRATE LIQUID STANDARDS (1995)

T. Krognes, D. Danalatos, T S. Glavas, I' P. Collin, G. Toupance, ...

Abstract--Peroxyacetyl nitrate (PAN) solutions in the concentration range 10-100/~g PAN per ml solvent were distributed and analyzed by ten European laboratories. Overall precision accounting for...

Investigations and measurements of the dynamic performance of high speed ADCs (1992)

Hagelauer, R., Oehler, F., Rohmer, G., Sauerer, J., Seitzer, D., Schmitt, R., ...

The accuracy of ultra-high-speed analog-to-digital converters (ADCs) decreases at higher input frequencies. This is mainly due to timing mismatches, which cause the comparators to sample different...

Investigations and measurements of the dynamic performance of high speed ADCs (1992)

Hagelauer, R., Oehler, F., Rohmer, G., Sauerer, J., Seitzer, D., Schmitt, R., ...

The accuracy of ultra high speed Analog-to-Digital converters (ADCs) decreases at higher input frequencies (beyond 100 MHz) [1, 2, 3]. This is mainly due to timing mismatches, which make the...

NUCLEAR TEMPERATURES, BARRIERS AND LEVEL DENSITIES AT EXCITATION ENERGIES 400 MeV (1986)

Nebbia, G., Hagel, K., Fabris, D., Majka, Z., Natowitz, J., Schmitt, R., ...

From coincidence measurements between heavy residues, light particles, and γ-rays, the excitation energy dependence of the temperatures, barriers, and nuclear level density parameters for nuclei...

THE CORRELATION OF LINEAR MOMENTUM AND ANGULAR MOMENTUM TRANSFER IN THE REACTIONS OF 310 MeV 16O WITH 154Sm (1986)

Namboodiri, M., Choudhury, R., Bronson, J., Fabris, D., Garg, U., ...

From coincidence measurements between projectile fragments or heavy residues and their associated γ-rays, we have derived the angular momentum transfer in the incomplete fusion reactions of 310...

NUCLEAR TEMPERATURES, BARRIERS AND LEVEL DENSITIES AT EXCITATION ENERGIES 400 MeV (1986)

Nebbia, G., Hagel, K., Fabris, D., Majka, Z., Natowitz, J., Schmitt, R., ...

From coincidence measurements between heavy residues, light particles, and γ-rays, the excitation energy dependence of the temperatures, barriers, and nuclear level density parameters for nuclei...

THE CORRELATION OF LINEAR MOMENTUM AND ANGULAR MOMENTUM TRANSFER IN THE REACTIONS OF 310 MeV 16O WITH 154Sm (1986)

Namboodiri, M., Choudhury, R., Bronson, J., Fabris, D., Garg, U., ...

From coincidence measurements between projectile fragments or heavy residues and their associated γ-rays, we have derived the angular momentum transfer in the incomplete fusion reactions of 310...

NUCLEAR TEMPERATURES, BARRIERS AND LEVEL DENSITIES AT EXCITATION ENERGIES 400 MeV (1986)

Nebbia, G., Hagel, K., Fabris, D., Majka, Z., Natowitz, J., Schmitt, R., ...

From coincidence measurements between heavy residues, light particles, and γ-rays, the excitation energy dependence of the temperatures, barriers, and nuclear level density parameters for nuclei...

THE CORRELATION OF LINEAR MOMENTUM AND ANGULAR MOMENTUM TRANSFER IN THE REACTIONS OF 310 MeV 16O WITH 154Sm (1986)

Namboodiri, M., Choudhury, R., Bronson, J., Fabris, D., Garg, U., ...

From coincidence measurements between projectile fragments or heavy residues and their associated γ-rays, we have derived the angular momentum transfer in the incomplete fusion reactions of 310...

Apport de l'endoscopie dans le diagnostic et le traitement des hémorragies digestives survenant dans un service de chirurgie cardiaque (1983)

REY, J. F., MONNOT, F., LOMBART, J., SABATIER, M., SCHMITT, R., ARNULF, J. J., ...

Les auteurs ont pratiqué pendant 2 ans des examens endoscopiques chez tous les malades présentant des problèmes digestifs en urgence dans un service de chirurgie cardiaque. Chez 65 patients ils...

Ermuedungsverhalten unbestrahlter und bestrahlter austenitischer Werkstoffe. (1983)

Scheibe, W., Schmitt, R.

Jahrestagung Kerntechnik 83. Reaktortagung 1983. Berlin, 14.-16. Juni 1983.

The LCF behavior of SS AISI 304 in the temperature range between 450`0C and 850`0C in connection with life time predictions. (1983)

Bocek, M., Petersen, C., Schmitt, R.

Specialists' Meeting on Mechanical Properties of Structural Materials Including Environmental Effects, Chester, GB, October 10-14, 1983

Haltezeit-Einfluss auf das LCF-Verhalten der Werkstoffe 1.4948 und 1.4919 bei 550`0C. (1981)

Scheibe, W., Schmitt, R.

Jahrestagung Kerntechnik 81. Reaktortagung 1981. Duesseldorf, 24.-26.Maerz 1981.

Kombinierte Kriech- und Ermuedungsbeanspruchung am geschweissten Werkstoff X6 CrNi 1811 (Unbestrahlt und bestrahlt). (1980)

Scheibe, W., Schmitt, R.

Jahrestagung Kerntechnik 80. Reaktortagung 1980. Berlin, 25.-27.Maerz 1980. Kerntechnische Ges.e.V. Deutsches Atomforum e.V.

Creep-fatigue interaction on 1.4948 austenitic stainless steel, including irradiation effects. (1979)

Schmitt, R., Scheibe, W., Anderko, K.

Jaeger, T.A.; Boley, B.A. [Hrsg.]: Transactions of the 5.Internat.Conf.on Structural Mechanics in Reactor Technology, Berlin, August 13-17, 1979. Vol.L. Luxembourg: Commission of the European...

Einfluss der Bestrahlung auf das Ermuedungsverhalten des Anlagenstrukturwerkstoffs 1.4948 (1978)

Scheibe, W., Schmitt, R.

Reaktortagung, Hannover, 4.-7.April 1978, Deutsches Atomforum e.V., Kerntechnische Ges.im Dt.Atomforum e.V. Leopoldshafen 1978: ZAED. S.825-28

Untersuchungen am SNR-Anlagenstrukturwerkstoff. (1977)

Scheibe, W., Schmitt, R., Rodrian, D.

In: Projekt Schneller Brueter. 4.Vierteljahresbericht 1976. KFK-1276/4 (April 77) S.113/19-21

Low cycle fatigue hold time effects on unirradiated and irradiated austenitic steel 1.4948 (X6CrNi 1811). (1977)

Scheibe, W., Schmitt, R., Anderko, K.

IAEA Internat.Working Group on Fast Reactors, Specialists' Meeting on Properties of Primary Circuit Structural Materials Including Environmental Effects, Bergisch-Gladbach, October 17-21, 1977

EXPERIMENTAL EVIDENCE AND PHYSICAL IMPLICATIONS OF THE TIME EVOLUTION ALONG THE MASS ASYMMETRY MODE IN HEAVY ION REACTIONS (1976)

Moretto, L., Schmitt, R.

The complex experimental features associated with the mass or charge distributions, and with the angular distributions as a function of fragment mass or charge, are interpreted as evidence of an...

EXPERIMENTAL EVIDENCE AND PHYSICAL IMPLICATIONS OF THE TIME EVOLUTION ALONG THE MASS ASYMMETRY MODE IN HEAVY ION REACTIONS (1976)

Moretto, L., Schmitt, R.

The complex experimental features associated with the mass or charge distributions, and with the angular distributions as a function of fragment mass or charge, are interpreted as evidence of an...

EXPERIMENTAL EVIDENCE AND PHYSICAL IMPLICATIONS OF THE TIME EVOLUTION ALONG THE MASS ASYMMETRY MODE IN HEAVY ION REACTIONS (1976)

Moretto, L., Schmitt, R.

The complex experimental features associated with the mass or charge distributions, and with the angular distributions as a function of fragment mass or charge, are interpreted as evidence of an...

Untersuchungen am Strukturwerkstoff. (1976)

Scheibe, W., Schmitt, R.

In: Projekt Schneller Brueter. 4.Vierteljahresbericht 1975.

Untersuchungen am SNR-Anlagen-Strukturwerkstoff. (1976)

Rodrian, D., Scheibe, W., Schmitt, R.

In: Projekt Schneller Brueter. 1.Vierteljahresbericht 1976

Untersuchungen am SNR-Anlagenstrukturwerkstoff. (1976)

Scheibe, W., Schmitt, R., Rodrian, D., Preininger, D.

In: Projekt Schneller Brueter. 3.Vierteljahresbericht 1976.

Relations parcours-énergie des ions lourds de faible vitesse dans les détecteurs visuels plastiques. Étude particulière des fragments de fission (1969)

Ralarosy, J., Schmitt, R., Mosinski, G., Tripier, J., Debeauvais, M., Stein, R., ...

Afin d'étudier la cinématique et le mécanisme de la fission à haute énergie, nous avons utilisé deux sortes de détecteurs visuels plastiques : le nitrate de cellulose et le makrofol. Cette...

Relations parcours-énergie des ions lourds de faible vitesse dans les détecteurs visuels plastiques. Étude particulière des fragments de fission (1969)

Ralarosy, J., Schmitt, R., Mosinski, G., Tripier, J., Debeauvais, M., Stein, R., ...

Afin d'étudier la cinématique et le mécanisme de la fission à haute énergie, nous avons utilisé deux sortes de détecteurs visuels plastiques : le nitrate de cellulose et le makrofol. Cette...

Relations parcours-énergie des ions lourds de faible vitesse dans les détecteurs visuels plastiques. Étude particulière des fragments de fission (1969)

Ralarosy, J., Schmitt, R., Mosinski, G., Tripier, J., Debeauvais, M., Stein, R., ...

Afin d'étudier la cinématique et le mécanisme de la fission à haute énergie, nous avons utilisé deux sortes de détecteurs visuels plastiques : le nitrate de cellulose et le makrofol. Cette...

Relations parcours-énergie des ions lourds de faible vitesse dans les détecteurs visuels plastiques. Étude particulière des fragments de fission (1969)

Ralarosy, J., Schmitt, R., Mosinski, G., Tripier, J., Debeauvais, M., Stein, R., ...

Afin d'étudier la cinématique et le mécanisme de la fission à haute énergie, nous avons utilisé deux sortes de détecteurs visuels plastiques : le nitrate de cellulose et le makrofol. Cette...

Nuclear transformation of Volvox carteri.

Schiedlmeier, B, Schmitt, R, Müller, W, Kirk, M M, Gruber, H, Mages, W, ...

Stable nuclear transformation of Volvox carteri was achieved using the cloned V. carteri nitA+ gene (which encodes nitrate reductase) to complement a nitA- mutation. Following bombardment of mutant...

Jordan, an active Volvox transposable element similar to higher plant transposons.

Miller, S M, Schmitt, R, Kirk, D L

We have isolated a 1595-bp transposable element from the multicellular green alga Volvox carteri following its insertion into the nitrate reductase (nitA) locus. This element, which we have named...

Deletion of amino acids 29 to 81 in adhesion protein YadA of Yersinia enterocolitica serotype O:8 results in selective abrogation of adherence to neutrophils.

Roggenkamp, A, Ruckdeschel, K, Leitritz, L, Schmitt, R, Heesemann, J

In order to analyze the multiple functions of the yersinia adhesin YadA in more detail, we constructed an N-terminally truncated YadA protein (deletion of amino acids [aa] 29 to 81) of Yersinia...

Flagellar structure and hyperthermophily: analysis of a single flagellin gene and its product in Aquifex pyrophilus.

Behammer, W, Shao, Z, Mages, W, Rachel, R, Stetter, K O, Schmitt, R

The polytrichously inserted flagella of Aquifex pyrophilus, a marine hyperthermophilic bacterium growing at 85 degrees C, were isolated and purified. Electron micrographs of the 19-nm-diameter...

Three genes of a motility operon and their role in flagellar rotary speed variation in Rhizobium meliloti.

Platzer, J, Sterr, W, Hausmann, M, Schmitt, R

The peritrichous flagella of Rhizobium meliloti rotate only clockwise and control directional changes of swimming cells by modulating flagellar rotary speed. Using Tn5 insertions, we have identified...

A physical map of the hyperthermophilic bacterium Aquifex pyrophilus chromosome.

Shao, Z, Mages, W, Schmitt, R

A genomic map of the hyperthermophilic hydrogen-oxidizing bacterium Aquifex pyrophilus was established with NotI (GC/GGCCGC), SpeI (A/CTAGT), and XbaI (T/CTAGA). Linking clones and...

Expression of two Rhizobium meliloti flagellin genes and their contribution to the complex filament structure.

Pleier, E, Schmitt, R

The complex flagellar filaments of Rhizobium meliloti are composed of two related (87% identical) flagellins that are encoded by closely linked, separately transcribed genes, flaA and flaB (E. Pleier...

Regulatory elements of the raffinose operon: nucleotide sequences of operator and repressor genes.

Aslanidis, C, Schmitt, R

The raffinose (raf) operon is negatively controlled by the specific binding of raf repressor (rafR gene) to raf operator (rafO) DNA. Both rafR and rafO have been sequenced. The 1,011-base-pair rafR...

Identification and sequence analysis of two related flagellin genes in Rhizobium meliloti.

Pleier, E, Schmitt, R

The genomic region that codes for the flagellin subunits of the complex flagellar filaments of Rhizobium meliloti was cloned and sequenced. Two structural genes, flaA and flaB, that encode 395- and...

Nucleotide sequences and operon structure of plasmid-borne genes mediating uptake and utilization of raffinose in Escherichia coli.

Aslanidis, C, Schmid, K, Schmitt, R

The plasmid-borne raf operon encodes functions required for inducible uptake and utilization of raffinose by Escherichia coli. Raf functions include active transport (Raf permease),...

Rhizobium meliloti swims by unidirectional, intermittent rotation of right-handed flagellar helices.

Götz, R, Schmitt, R

The 5 to 10 peritrichously inserted complex flagella of Rhizobium meliloti MVII-1 were found to form right-handed flagellar bundles. Bacteria swam at speeds up to 60 microns/s, their random...

Heterologous repressor-operator recognition among four classes of tetracycline resistance determinants.

Klock, G, Unger, B, Gatz, C, Hillen, W, Altenbuchner, J, Schmid, K, ...

Homologous and heterologous repressor-operator interactions among four different classes of tetracycline resistance determinants have been compared. These are represented by RP1/Tn1721 (class A),...

Tetracycline resistance transposon Tn1721: recA-dependent gene amplification and expression of tetracycline resistance.

Wiebauer, K, Schraml, S, Shales, S W, Schmitt, R

The 7.1-megadalton transposon Tn1721 codes for inducible tetracycline resistance (Tcr). The transposable element consists of a "minor transposon" (3.6 megadaltons) encoding functions required for...

Tn1721-encoded tetracycline resistance: mapping of structural and regulatory genes mediating resistance.

Altenbuchner, J, Schmid, K, Schmitt, R

The genes encoding inducible tetracycline resistance in Tn1721 were located in a 2.1-kilobase portion of the transposon. Using deletions and insertions, we mapped and characterized two tet genes by...

Structure of complex flagellar filaments in Rhizobium meliloti.

Krupski, G, Götz, R, Ober, K, Pleier, E, Schmitt, R

The complex flagella of Rhizobium meliloti 2011 and MVII-1 were analyzed with regard to serology, fine structure, subunits, and amino acid composition. The serological identities of flagellar...

Plasmid-mediated uptake and metabolism of sucrose by Escherichia coli K-12.

Schmid, K, Schupfner, M, Schmitt, R

The conjugative plasmid pUR400 determines tetracycline resistance and enables cells of Escherichia coli K-12 to utilize sucrose as the sole carbon source. Three types of mutants affecting sucrose...

Structure of plain and complex flagellar hooks of Pseudomonas rhodos.

Raska, I, Mayer, F, Edelbluth, C, Schmitt, R

The proximal hooks of plain and complex flagella produced by a strain of Pseudomonas rhodos have been analyzed by electron microscopy and optical diffraction and filtering. Plain flagellar hooks are...

Three new restriction endonucleases MaeI, MaeII and MaeIII from Methanococcus aeolicus.

Schmid, K, Thomm, M, Laminet, A, Laue, F G, Kessler, C, Stetter, K O, ...

Three type II restriction endonucleases, MaeI, MaeII and MaeIII, with novel site specificities have been isolated and purified from the archaebacterium Methanococcus aeolicus PL-15/H. The recognition...

The tetracycline resistance determinants of RP1 and Tn1721: nucleotide sequence analysis.

Waters, S H, Rogowsky, P, Grinsted, J, Altenbuchner, J, Schmitt, R

Nucleotide sequences of the homologous tetracycline resistance (tet) determinants of plasmid RP1 and transposon Tn1721 have been determined. Two open reading frames of divergent polarity have been...

Histone genes of Volvox carteri: DNA sequence and organization of two H3-H4 gene loci.

Müller, K, Schmitt, R

Two Volvox genomic clones each containing a pair of histone H3-H4 genes were sequenced. In both loci the H3 and H4 genes show outwardly divergent polarity, their coding regions being separated by...

Junction sequences generated by 'one-ended transposition'.

Mötsch, S, Schmitt, R, Avila, P, Ward, E, Grinsted, J

In the presence of the cognate transposase, plasmids containing a single inverted repeat (IR) sequence of Tn21 or of Tn1721 can fuse efficiently with other plasmids ('one-ended transposition'). The...

Definition of three resolvase binding sites at the res loci of Tn21 and Tn1721.

Rogowsky, P, Halford, S E, Schmitt, R

The dual functions of resolvase, site-specific recombination and the regulation of its own expression from tnpR, both require the interaction of this protein with the DNA sequence at res, but the...

Nuclear transformation of Volvox carteri.

Schiedlmeier, B, Schmitt, R, Müller, W, Kirk, M M, Gruber, H, Mages, W, ...

Stable nuclear transformation of Volvox carteri was achieved using the cloned V. carteri nitA+ gene (which encodes nitrate reductase) to complement a nitA- mutation. Following bombardment of mutant...

Jordan, an active Volvox transposable element similar to higher plant transposons.

Miller, S M, Schmitt, R, Kirk, D L

We have isolated a 1595-bp transposable element from the multicellular green alga Volvox carteri following its insertion into the nitrate reductase (nitA) locus. This element, which we have named...

Deletion of amino acids 29 to 81 in adhesion protein YadA of Yersinia enterocolitica serotype O:8 results in selective abrogation of adherence to neutrophils.

Roggenkamp, A, Ruckdeschel, K, Leitritz, L, Schmitt, R, Heesemann, J

In order to analyze the multiple functions of the yersinia adhesin YadA in more detail, we constructed an N-terminally truncated YadA protein (deletion of amino acids [aa] 29 to 81) of Yersinia...

Flagellar structure and hyperthermophily: analysis of a single flagellin gene and its product in Aquifex pyrophilus.

Behammer, W, Shao, Z, Mages, W, Rachel, R, Stetter, K O, Schmitt, R

The polytrichously inserted flagella of Aquifex pyrophilus, a marine hyperthermophilic bacterium growing at 85 degrees C, were isolated and purified. Electron micrographs of the 19-nm-diameter...

Three genes of a motility operon and their role in flagellar rotary speed variation in Rhizobium meliloti.

Platzer, J, Sterr, W, Hausmann, M, Schmitt, R

The peritrichous flagella of Rhizobium meliloti rotate only clockwise and control directional changes of swimming cells by modulating flagellar rotary speed. Using Tn5 insertions, we have identified...

A physical map of the hyperthermophilic bacterium Aquifex pyrophilus chromosome.

Shao, Z, Mages, W, Schmitt, R

A genomic map of the hyperthermophilic hydrogen-oxidizing bacterium Aquifex pyrophilus was established with NotI (GC/GGCCGC), SpeI (A/CTAGT), and XbaI (T/CTAGA). Linking clones and...

Expression of two Rhizobium meliloti flagellin genes and their contribution to the complex filament structure.

Pleier, E, Schmitt, R

The complex flagellar filaments of Rhizobium meliloti are composed of two related (87% identical) flagellins that are encoded by closely linked, separately transcribed genes, flaA and flaB (E. Pleier...

Regulatory elements of the raffinose operon: nucleotide sequences of operator and repressor genes.

Aslanidis, C, Schmitt, R

The raffinose (raf) operon is negatively controlled by the specific binding of raf repressor (rafR gene) to raf operator (rafO) DNA. Both rafR and rafO have been sequenced. The 1,011-base-pair rafR...

Identification and sequence analysis of two related flagellin genes in Rhizobium meliloti.

Pleier, E, Schmitt, R

The genomic region that codes for the flagellin subunits of the complex flagellar filaments of Rhizobium meliloti was cloned and sequenced. Two structural genes, flaA and flaB, that encode 395- and...

Nucleotide sequences and operon structure of plasmid-borne genes mediating uptake and utilization of raffinose in Escherichia coli.

Aslanidis, C, Schmid, K, Schmitt, R

The plasmid-borne raf operon encodes functions required for inducible uptake and utilization of raffinose by Escherichia coli. Raf functions include active transport (Raf permease),...

Rhizobium meliloti swims by unidirectional, intermittent rotation of right-handed flagellar helices.

Götz, R, Schmitt, R

The 5 to 10 peritrichously inserted complex flagella of Rhizobium meliloti MVII-1 were found to form right-handed flagellar bundles. Bacteria swam at speeds up to 60 microns/s, their random...

Heterologous repressor-operator recognition among four classes of tetracycline resistance determinants.

Klock, G, Unger, B, Gatz, C, Hillen, W, Altenbuchner, J, Schmid, K, ...

Homologous and heterologous repressor-operator interactions among four different classes of tetracycline resistance determinants have been compared. These are represented by RP1/Tn1721 (class A),...

Tetracycline resistance transposon Tn1721: recA-dependent gene amplification and expression of tetracycline resistance.

Wiebauer, K, Schraml, S, Shales, S W, Schmitt, R

The 7.1-megadalton transposon Tn1721 codes for inducible tetracycline resistance (Tcr). The transposable element consists of a "minor transposon" (3.6 megadaltons) encoding functions required for...

Tn1721-encoded tetracycline resistance: mapping of structural and regulatory genes mediating resistance.

Altenbuchner, J, Schmid, K, Schmitt, R

The genes encoding inducible tetracycline resistance in Tn1721 were located in a 2.1-kilobase portion of the transposon. Using deletions and insertions, we mapped and characterized two tet genes by...

Structure of complex flagellar filaments in Rhizobium meliloti.

Krupski, G, Götz, R, Ober, K, Pleier, E, Schmitt, R

The complex flagella of Rhizobium meliloti 2011 and MVII-1 were analyzed with regard to serology, fine structure, subunits, and amino acid composition. The serological identities of flagellar...

Plasmid-mediated uptake and metabolism of sucrose by Escherichia coli K-12.

Schmid, K, Schupfner, M, Schmitt, R

The conjugative plasmid pUR400 determines tetracycline resistance and enables cells of Escherichia coli K-12 to utilize sucrose as the sole carbon source. Three types of mutants affecting sucrose...

Structure of plain and complex flagellar hooks of Pseudomonas rhodos.

Raska, I, Mayer, F, Edelbluth, C, Schmitt, R

The proximal hooks of plain and complex flagella produced by a strain of Pseudomonas rhodos have been analyzed by electron microscopy and optical diffraction and filtering. Plain flagellar hooks are...

Three new restriction endonucleases MaeI, MaeII and MaeIII from Methanococcus aeolicus.

Schmid, K, Thomm, M, Laminet, A, Laue, F G, Kessler, C, Stetter, K O, ...

Three type II restriction endonucleases, MaeI, MaeII and MaeIII, with novel site specificities have been isolated and purified from the archaebacterium Methanococcus aeolicus PL-15/H. The recognition...

The tetracycline resistance determinants of RP1 and Tn1721: nucleotide sequence analysis.

Waters, S H, Rogowsky, P, Grinsted, J, Altenbuchner, J, Schmitt, R

Nucleotide sequences of the homologous tetracycline resistance (tet) determinants of plasmid RP1 and transposon Tn1721 have been determined. Two open reading frames of divergent polarity have been...

Histone genes of Volvox carteri: DNA sequence and organization of two H3-H4 gene loci.

Müller, K, Schmitt, R

Two Volvox genomic clones each containing a pair of histone H3-H4 genes were sequenced. In both loci the H3 and H4 genes show outwardly divergent polarity, their coding regions being separated by...

Junction sequences generated by 'one-ended transposition'.

Mötsch, S, Schmitt, R, Avila, P, Ward, E, Grinsted, J

In the presence of the cognate transposase, plasmids containing a single inverted repeat (IR) sequence of Tn21 or of Tn1721 can fuse efficiently with other plasmids ('one-ended transposition'). The...

Definition of three resolvase binding sites at the res loci of Tn21 and Tn1721.

Rogowsky, P, Halford, S E, Schmitt, R

The dual functions of resolvase, site-specific recombination and the regulation of its own expression from tnpR, both require the interaction of this protein with the DNA sequence at res, but the...

Immune function in female elite rowers and non-athletes

Nieman, D., Nehlsen-Cannarell..., S., Fagoaga, O., Henson, D., Shannon, M., Hjertman, J., ...

Objective—To compare immune function in female rowers and controls in the resting state, and then correlate the results with a two month history of upper respiratory tract infection (URTI).