A. Baumann

Publication List Details

Period

1873 - 2009

Number

81

Co-Authors

Polaron Recombination in Pristine and Annealed Bulk Heterojunction Solar Cells (2009)

Deibel, C., Baumann, A., Wagenpfahl, A., Dyakonov, V.

The major loss mechanism of photogenerated polarons was investigated in P3HT:PCBM solar cells by the photo-CELIV technique. For pristine and annealed devices, we find that the experimental data can...

Charge Carrier Concentration and Temperature Dependent Recombination in Polymer Fullerene Solar Cells (2009)

Foertig, A., Baumann, A., Rauh, D., Dyakonov, V., Deibel, C.

We performed temperature dependent transient photovoltage and photocurrent measurements on poly(3-hexylthiophene):[6,6]-phenyl-C61 butyric acid methylester bulk heterojuction solar cells. We found a...

Stahl-Keramik-Verbunde durch Pulverspritzgießen (2009)

Baumann, A., Mayer, D., Moritz, T., Lenk, R.

Metallkeramische Werkstoffverbunde vereinen die Duktilität der metallischen Komponente mit der hohen Festigkeit und Temperaturbeständigkeit keramischer Materialien. Die Kombination der beiden...

Joining metal and ceramics by 2-component MIM/CIM: Presentation held at Workshop on Two-Component Powder Injection Moulding - Progresses and Industrial Applications, 24.06.2009, Dresden (2009)

Baumann, A., Lenk, R., Moritz, T.

Metal-ceramic material compounds combine the ductility of metal component and the strength as well as the temperature resistance of ceramic materials. The combination of the two materials steel and...

A microfluidic chip for electrochemical conversions in drug metabolism studies (2009)

Odijk, M., Baumann, A., Lohmann, W., Olthuis, W., Karst, U., ...

We have designed a microfluidic microreactor chip for electrochemical conversion of analytes, containing a palladium reference electrode and platinum working and counter electrodes. The counter...

A marriage of unequal partners (2009)

Schröder, T., Lenk, R., Baumann, A., Moritz, T., Schöler, U.

Surgical instruments and even automobile parts require components made of different ceramics or metal-ceramic hybrids. Until now, however, combining these different materials has been tricky and not...

A marriage of unequal partners (2009)

Schröder, T., Lenk, R., Baumann, A., Moritz, T., Schöler, U.

Surgical instruments and even automobile parts require components made of different ceramics or metal-ceramic hybrids. Until now, however, combining these different materials has been tricky and not...

Multi component powder injection moulding of metal-ceramic-composites (2009)

Baumann, A., Moritz, T., Lenk, R.

Two-component powder injection moulding is a new processing route in powder technology that can be used for the manufacturing of complex shaped metal-ceramic composites in large scale. The following...

Multi component powder injection moulding of metal-ceramic-composites (2009)

Baumann, A., Moritz, T., Lenk, R.

Two-component powder injection moulding is a new processing route in powder technology that can be used for the manufacturing of complex shaped metal-ceramic composites in large scale. The following...

Manufacturing of ceramic-metal composites using inmould labeling (GreenTaPIM): Presentation held at MicroTechnology - Forum Innovations for Industry 20.-24.04.09 Hannover (2009)

Baumann, A., Lenk, R., Tassilo, M.

The project GreenTaPIM combined tape casting and injection moulding to manufacture metal-ceramic-components. Therefor adjusted steel and Zro2 powdermaterials were developed. Both aspects were...

Bipolar Charge Transport in Poly(3-hexyl thiophene)/Methanofullerene Blends: A Ratio Dependent Study (2008)

Baumann, A., Lorrmann, J., Deibel, C., Dyakonov, V.

We investigated the charge carrier mobility in pristine poly(3-hexyl thiophene-2,5-diyl) (P3HT):[6,6]-phenyl-C61 butyric acid methyl ester (PCBM) blend devices by applying the time resolved...

Polaron Recombination in Pristine and Annealed Bulk Heterojunction Solar Cells (2008)

Deibel, C., Baumann, A., Dyakonov, V.

We determined the dominant polaron recombination loss mechanism in pristine and annealed polythiophene:fullerene blend solar cells by applying the photo-induced charge extraction by linearly...

Developments in multi-component powder injection moulding of steel-ceramic compounds using green tapes for inmould label process (2008)

Baumann, A., Brieseck, M., Höhn, S., Moritz, T., Lenk, R.

Multi-component powder injection moulding is a new field of advanced research in structural and also functional ceramic engineering since it offers the possibility to combine at least two different...

Hochzeit für ungleiche Paare: Metall-Keramik-Hybride (2008)

Schröder, T., Lenk, R., Baumann, A., Moritz, T., Schöler, U.

Für chirurgische Instrumente oder auch Bauteile von Autos werden Komponenten a us verschiedenen Keramiken oder Metall- Keramik-Hybride benötigt. Bislang war d ie Verbindung der unterschiedlichen...

Hochzeit für ungleiche Paare: Metall-Keramik-Hybride (2008)

Schröder, T., Lenk, R., Baumann, A., Moritz, T., Schöler, U.

Für chirurgische Instrumente oder auch Bauteile von Autos werden Komponenten a us verschiedenen Keramiken oder Metall- Keramik-Hybride benötigt. Bislang war d ie Verbindung der unterschiedlichen...

Stahl-Keramik-Verbunde über Mehrkomponentenpulverspritzguss (2007)

Baumann, A., Moritz, T., Lenk, R.

Powder injection molding as a near net shaping technol. with a high automation potential can be seen as one of the most economical processing routes for complex-shaped ceramic or metal parts produced...

Steel-ceramic compounds by multi-component injection moulding (2007)

Baumann, A., Moritz, T., Lenk, R.

Powder injection moulding as a near net shaping technology with a high automation potential can be seen as one of the most economical processing routes for complex-shaped ceramic or metal parts...

Manufacturing of ceramic-metal composites using multi-component injection moulding (2007)

Baumann, A., Moritz, T., Lenk, R.

The implementation of multi-component injection moulding (well known in polymer shaping) into powder technology offers the possibility to create composite materials made of ceramics and metals. In...

Manufacturing of ceramic-metal composites by combining tape casting and injection molding (2007)

Baumann, A., Lenk, R., Moritz, T.

In industry, material composites are of great interest if new applications can be developed by combining their physical properties. In two-component powder injection molding materials are required...

Manufacturing of ceramic-metal composites by combining tape casting and injection molding (2007)

Baumann, A., Lenk, R., Moritz, T.

In industry, material composites are of great interest if new applications can be developed by combining their physical properties. In two-component powder injection molding materials are required...

Keramischer und/oder pulvermetallurgischer Verbundformkoerper und Verfahren zu ihrer Herstellung (2007)

Moritz, T., Richter, H., Lenk, R., Baumann, A., Walcher, H., Maetzig, M.

DE 102007003192 A1 UPAB: 20081013 NOVELTY - The composite shaped body consists of a green (unfired ceramic) foil and at least one ceramic and/or metallic and/or a possibly thermoplastic binding...

Structure, tectonics and metamorphic development of the Sancti Spiritus Dome (eastern Escambray massif, Central Cuba) (2006)

K. P. Stanek, W. V. Maresch, F. Grafe, CH. Gravel, A. Baumann

The Sancti Spiritus Dome of the eastern Escambray (Cuba) represents a metamorphic fold and thrust structure which was part of the Cretaceous subduction-accretion complex of the Greater Antillean Arc....

Structure, tectonics and metamorphic development of the Sancti Spiritus Dome (eastern Escambray massif, Central Cuba) (2006)

Stanek, K.P., Maresch, W.V., Grafe, F., Grevel, Ch., Baumann, A.

The Sancti Spiritus Dome of the eastern Escambray (Cuba) represents a metamorphic fold and thrust structure which was part of the Cretaceous subduction-accretion complex of the Greater Antillean Arc....

Keramik-Keramik und Keramik-Metall-Verbunde über 2K-Spritzgießen (2006)

Baumann, A., Moritz, T., Lenk, R.

Der 2K-Spritzguss ist ein in der Kunststoffbranche etabliertes Formgebungsverfahren (z.B. für abriebfeste Tastaturen, mehrfarbige Zahnbürsten), dessen Potential (Großserientauglichkeit, hohe...

Haftfester Metall-Keramik-Verbund und Verfahren zu seiner Herstellung (2006)

Moritz, T., Baumann, A., Lenk, R.

DE 102006060338 A1 UPAB: 20080703 NOVELTY - Adhesive metal-ceramic composite comprises metal and ceramic components joined together in an interlocking manner. At least one of the components contains...

2 Komponenten-Spritzguss, Entwicklung von Stahl-Keramik-Verbunden (2005)

Baumann, A.

Durch das Verarbeiten von zwei unterschiedlichen Sinterwerkstoffen auf einer 2K Spritzgießmaschine sollte ein dauerhafter Materialverbund erzielt werden. Hauptaugenmerk lag hierbei auf der...

2 Komponenten-Spritzguss, Entwicklung von Stahl-Keramik-Verbunden (2005)

Baumann, A.

Durch das Verarbeiten von zwei unterschiedlichen Sinterwerkstoffen auf einer 2K Spritzgießmaschine sollte ein dauerhafter Materialverbund erzielt werden. Hauptaugenmerk lag hierbei auf der...

Phishing-Schutz im Online-Banking. Hilfe zum Selbstschutz für Nutzer: Wie gut unterstützen Banken ihre Kunden im Schutz vor Phishing? Zwölf Web-Angebote im Vergleich (2004)

Türpe, S., Baumann, A.

Anbieter von Online-Diensten und deren Nutzer sind zunehmend von Phishing- Angriffen betroffen. Phishing unterscheidet sich von anderen Bedrohungen in der IT-Sicherheit: Die Täter täuschen die...

Phishing-Schutz im Online-Banking. Hilfe zum Selbstschutz für Nutzer: Wie gut unterstützen Banken ihre Kunden im Schutz vor Phishing? Zwölf Web-Angebote im Vergleich (2004)

Türpe, S., Baumann, A.

Anbieter von Online-Diensten und deren Nutzer sind zunehmend von Phishing- Angriffen betroffen. Phishing unterscheidet sich von anderen Bedrohungen in der IT-Sicherheit: Die Täter täuschen die...

Möglichkeiten der generativen Formgebung für die Anfertigung von bioaktiven Knochenimplantaten: Interdisziplinäre Projektarbeit (2004)

Baumann, A.

Rapid Prototyping (RP) Verfahren gewinnen als generative Formgebungsverfahren immer größere Bedeutung. Man hat damit die Möglichkeit aus digitalen Datensätzen dreidimensionale Formkörper zu...

Möglichkeiten der generativen Formgebung für die Anfertigung von bioaktiven Knochenimplantaten: Interdisziplinäre Projektarbeit (2004)

Baumann, A.

Rapid Prototyping (RP) Verfahren gewinnen als generative Formgebungsverfahren immer größere Bedeutung. Man hat damit die Möglichkeit aus digitalen Datensätzen dreidimensionale Formkörper zu...

Molecular and functional characterization of an octopamine receptor from honeybee (Apis mellifera) brain (2003)

Grohmann, L., Blenau, W., Erber, J., Ebert, P. R., Strunker, T., Baumann, A.

Biogenic amines and their receptors regulate and modulate many physiological and behavioural processes in animals. In vertebrates, octopamine is only found in trace amounts and its function as a true...

Molecular and functional characterization of an octopamine receptor from honeybee (Apis mellifera) brain (2003)

Grohmann, L., Blenau, W., Erber, J., Ebert, P. R., Strunker, T., Baumann, A.

Biogenic amines and their receptors regulate and modulate many physiological and behavioural processes in animals. In vertebrates, octopamine is only found in trace amounts and its function as a true...

Untersuchungen zur Ankopplung von gentechnisch modifizierten HEK293-Zellen an siliziumbasierte Transducer-Materialien (2001)

Ecken, H., Baumann, A., Yoshinobu, T., Seifert, R., Kaupp, U. B., Schöning, M. J., ...

Um die elektrische Signalübertragung zwischen biologischen Systemen und Halbleitermaterialien zu untersuchen, beschäftigt sich die aktuelle Forschung in jüngster Zeit mit der direkten Ankopplung...

ROBCL - An Distributed Object-Oriented Robot Programming Language (1999)

Baumann Baginski And, A. Baumann, B. Baginski, S. Riesner

: In this paper we present a client-server based architecture for programming several actors and sensors in a heterogeneous system architecture. To integrate all the different computer systems an...

Progress made in the construction of giant airplanes in Germany during the war (1920)

A. Baumann

The construction of giant airplanes was begun in Germany in August, 1914. The tables annexed here show that a large number of airplanes weighing up to 15.5 tons were constructed and tested in Germany...

Probing the transmembrane topology of cyclic nucleotide-gated ion channels with a gene fusion approach.

Henn, D K, Baumann, A, Kaupp, U B

Cyclic nucleotide-gated (CNG) cation channels contain two short sequence motifs--a residual voltage-sensor (S4) and a pore-forming (P) segment--that are reminiscent of similar segments in...

Primary structure and functional expression of a Drosophila cyclic nucleotide-gated channel present in eyes and antennae.

Baumann, A, Frings, S, Godde, M, Seifert, R, Kaupp, U B

Cyclic nucleotide-gated (CNG) ion channels serve as downstream targets of signalling pathways in vertebrate photoreceptors and olfactory sensory neurons. Whether CNG channels subserve similar...

Molecular basis of functional diversity of voltage-gated potassium channels in mammalian brain.

Stühmer, W, Ruppersberg, J P, Schröter, K H, Sakmann, B, Stocker, M, Giese, K P, ...

Cloning and sequencing of cDNAs isolated from a rat cortex cDNA library reveals that a gene family encodes several highly homologous K+ channel forming (RCK) proteins. Functional characterization of...

Shaker encodes a family of putative potassium channel proteins in the nervous system of Drosophila.

Pongs, O, Kecskemethy, N, Müller, R, Krah-Jentgens, I, Baumann, A, Kiltz, H H, ...

The Shaker locus of Drosophila contains a very large transcription unit. It is expressed predominantly in the nervous system by multiple, differential as well as alternative, splicing mechanisms into...

Structure of the voltage-dependent potassium channel is highly conserved from Drosophila to vertebrate central nervous systems.

Baumann, A, Grupe, A, Ackermann, A, Pongs, O

Voltage-sensitive potassium channels are found in vertebrate and invertebrate central nervous systems. We have isolated a rat brain cDNA by cross-hybridization with a probe of the Drosophila Shaker...

Molecular organization of the maternal effect region of the Shaker complex of Drosophila: characterization of an IA channel transcript with homology to vertebrate Na+ channel

Baumann, A., Krah-Jentgens, I., Müller, R., Müller-Holtkamp, F., Seidel, R., Kecskemethy, N., ...

We have cloned 215-kb DNA containing the maternal effect region (ME) of the Shaker gene complex (shC) at 16F of the Drosophila X chromosome. Five translocation and deletion breakpoints have been...

Molecular determinants of a Ca2+-binding site in the pore of cyclic nucleotide-gated channels: S5/S6 segments control affinity of intrapore glutamates.

Seifert, R, Eismann, E, Ludwig, J, Baumann, A, Kaupp, U B

Cyclic nucleotide-gated (CNG) channels play an important role in Ca2+ signaling in many cells. CNG channels from various tissues differ profoundly in their Ca2+ permeation properties. Using the...

Probing the transmembrane topology of cyclic nucleotide-gated ion channels with a gene fusion approach.

Henn, D K, Baumann, A, Kaupp, U B

Cyclic nucleotide-gated (CNG) cation channels contain two short sequence motifs--a residual voltage-sensor (S4) and a pore-forming (P) segment--that are reminiscent of similar segments in...

Primary structure and functional expression of a Drosophila cyclic nucleotide-gated channel present in eyes and antennae.

Baumann, A, Frings, S, Godde, M, Seifert, R, Kaupp, U B

Cyclic nucleotide-gated (CNG) ion channels serve as downstream targets of signalling pathways in vertebrate photoreceptors and olfactory sensory neurons. Whether CNG channels subserve similar...

Molecular basis of functional diversity of voltage-gated potassium channels in mammalian brain.

Stühmer, W, Ruppersberg, J P, Schröter, K H, Sakmann, B, Stocker, M, Giese, K P, ...

Cloning and sequencing of cDNAs isolated from a rat cortex cDNA library reveals that a gene family encodes several highly homologous K+ channel forming (RCK) proteins. Functional characterization of...

Shaker encodes a family of putative potassium channel proteins in the nervous system of Drosophila.

Pongs, O, Kecskemethy, N, Müller, R, Krah-Jentgens, I, Baumann, A, Kiltz, H H, ...

The Shaker locus of Drosophila contains a very large transcription unit. It is expressed predominantly in the nervous system by multiple, differential as well as alternative, splicing mechanisms into...

Structure of the voltage-dependent potassium channel is highly conserved from Drosophila to vertebrate central nervous systems.

Baumann, A, Grupe, A, Ackermann, A, Pongs, O

Voltage-sensitive potassium channels are found in vertebrate and invertebrate central nervous systems. We have isolated a rat brain cDNA by cross-hybridization with a probe of the Drosophila Shaker...

Molecular organization of the maternal effect region of the Shaker complex of Drosophila: characterization of an IA channel transcript with homology to vertebrate Na+ channel

Baumann, A., Krah-Jentgens, I., Müller, R., Müller-Holtkamp, F., Seidel, R., Kecskemethy, N., ...

We have cloned 215-kb DNA containing the maternal effect region (ME) of the Shaker gene complex (shC) at 16F of the Drosophila X chromosome. Five translocation and deletion breakpoints have been...

Molecular determinants of a Ca2+-binding site in the pore of cyclic nucleotide-gated channels: S5/S6 segments control affinity of intrapore glutamates.

Seifert, R, Eismann, E, Ludwig, J, Baumann, A, Kaupp, U B

Cyclic nucleotide-gated (CNG) channels play an important role in Ca2+ signaling in many cells. CNG channels from various tissues differ profoundly in their Ca2+ permeation properties. Using the...

Age related change of optokinetic nystagmus in healthy subjects: a study from infancy to senescence

Valmaggia, C, Rütsche, A, Baumann, A, Pieh, C, Shavit, Y Bellaiche, Proudlock, F, ...

Background: Optokinetic nystagmus (OKN) gain is asymmetrical between temporal to nasal (TN) and nasal to temporal (NT) stimulation in infancy and decreases at older ages. The age at which OKN gain...

Dissertatio inauguralis de responsis prudentum eorumque usu practico.

Baumann, A.

Inaug.-diss.--Bamberg, 1759. Respondent, A. Baumann.

Aminergic Control and Modulation of Honeybee Behaviour

Scheiner, R, Baumann, A, Blenau, W

Biogenic amines are important messenger substances in the central nervous system and in peripheral organs of vertebrates and of invertebrates. The honeybee, Apis mellifera, is excellently suited to...