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  • Books  (2)
  • Articles  (64)
  • 2015-2019  (52)
  • 1990-1994  (14)
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  • 1
    Call number: AWI S5-18-91741
    Type of Medium: Monograph available for loan
    Pages: xcix, 2868 Seiten
    Edition: 10., vollständig überarbeitete und erweiterte Auflage
    ISBN: 9783452282750 (238.00 EUR)
    Series Statement: Heymanns Kommentare zum gewerblichen Rechtsschutz
    Language: German
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Freiburg : Lingg Druck
    Call number: MOP 47855 / Mitte
    Type of Medium: Monograph available for loan
    Pages: VII, 164 Seiten , Illustrationen
    Language: German
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Ocean dynamics 45 (1993), S. 119-136 
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung Im vorliegenden Beitrag werden einige wichtige Grundlagen der Fernerkundung mit SAR-Daten des Ersten Europäischen Fernerkundungssatelliten ERS-1 erläutert und anhand einiger ausgewählter Beispiele Möglichkeiten der Nutzanwendung von Radar-Daten aufgezeigt. Dabei werden besonders die Möglichkeiten eines Nahe-Echtzeit-Einsatzes unter operationellen Gesichtspunkten aufgegriffen und diskutiert. Die verwendeten Daten wurden während einer Präsentation in der Vertretung der Kommission der Europäischen Gemeinschaft in Bonn anläßlich einer Veranstaltung zum Internationalen Weltraumjahr 1992 (ISY) von der BDDN-Fast-Delivery-Station des Bundesamts für Seeschiffahrt und Hydrographie (BSH) in Zusammenarbeit mit der Deutschen Forschungsanstalt für Luft- und Raumfahrt (DLR) und der TELEKOM aufgezeichnet, digital verarbeitet und den Besuchern der Ausstellung vorgestellt. Im Vordergrund stand, das Potential der Fernerkundung einer breiteren Öffentlichkeit zugänglich zu machen und die Notwendigkeit der Raumfahrt zur Erkundung unserer Umwelt zu bekräftigen.
    Abstract: Résumé Des propriétés importantes du radar d'ouverture synthétique du premier satellite européen ERS-1 d'observation de la Terre sont présentées. Des exemples choisis illustrent les possibilités d'utilisation appliquée de l'information radar. La possibilité d'une exploitation en temps très légèrement différé sous des aspects opérationnels est démontrée. L'information du satellite ERS-1 a été reçue, traitée et archivée lors d'une présentation à la Commission de la Communauté Européene à Bonn. À l'occasion de la manifestation de l'année internationale de l'espace 1992 (ISY), avec le concours de l'Agence Maritime et Hydrographique Fédérale (BSH), en coopération avec le Centre Allemand de Recherches Aérospatiales (DLR) et les TELEKOM. Le but était de présenter au public les possibilités de la télédétection et de montrer la nécessité de l'usage de la technologie pour aider à résoudre les problèmes de l'environment.
    Notes: Summary Some important principles of remote sensing using synthetic aperture radar data (SAR data) from the first European Remote Sensing Satellite ERS-1 are explained. Examples illustrate the potential applications of satellite radar information. The possibility of using near-on-line processed remote information for operational purposes is discussed in particular. The satellite information used was received, processed and presented to the visitors of the exhibition which took place as part of the 1992 International Space Year (ISY) at the Bonn offices of the EEC. The BSH and DLR co-operated with DARA and TELEKOM. The intention was to familiarize a broader public with the potential of remote sensing and to stress the necessity of using space technology in combatting environmental problems.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Résumé La partie ouest de la mer Baltique est une zone de transition de profondeur réduite, caractérisée par un échange des eaux entre la mer du Nord et la mer Baltique. Dans cette zone, les processus dynamiques proviennent des différences de niveau de la mer du Nord et de la mer Baltique, des vents locaux et de l'apport en eau douce. Les modèles créés sont modifiés à partir de la rotation terrestre, de la bathymétrie et de la morphologie côtière. Les données satellite permettent d'établir une étude synoptique de ces processus dans l'ensemble de la zone ainsi que leur développement spatio-temporel au moyen de séries. Des cartes de température superficielle (SST) obtenues à partir des données radiométriques infrarouges AVHRR (Advanced Very High Resolution Radiometer) sont utilisées pour présenter des exemples SST caractéristiques de résultats de processus dynamiques de l'ouest de la mer Baltique. Les données radiométriques proviennent du National Oceanic and Atmospheric Administration (NOAA) à partir de satellites météorologiques. La dépendance des développements spatio-temporels de modèles en fonction des conditions météorologiques est discutée à partir de scènes et de séries particulières. Des exemples d'upwelling devant les côtes allemandes, suédoises et polonaises ainsi que des fronts, des filaments et des tourbillons sont présentés. La plus grande partie de l'apport en eau douce à l'ouest de la mer Baltique provient du fleuve Oder, en baie de Poméranie. L'influence des facteurs météorologiques sur la variation de ce déversement et sur les zones influencées est présentée.
    Abstract: Zusammenfassung Die westliche Ostsee ist ein flaches Übergangsgebiet, das durch den Wasseraustausch zwischen Nord- und Ostsee charakterisiert ist. Die dynamischen Prozesse werden in diesem Gebiet durch Wasserstandsdifferenzen zwischen Nord- und Ostsee, durch den lokalen Wind und die Süßwasserzufuhr getrieben. Die Reaktionsmuster werden modifiziert durch die Erdrotation, die Bathymetrie und den Küstenverlauf. Serien von Satellitendaten gestatten die synoptische Betrachtung dieser Muster und ihrer zeitlichen und räumlichen Entwicklung. Karten der Wasseroberflächentemperatur (SST), abgeleitet aus Infrarotdaten des Advanced Very High Resolution Radiometer (AVHRR), werden genutzt, um verschiedene Strukturen wie Auftrieb, Filamente und Wirbel zu präsentieren. Das Radiometer wird durch die National Oceanic and Atmospheric Administration (NOAA) auf Wettersatelliten betrieben. Der Flußeintrag der Oder in die Pommersche Bucht ist die bedeutendste Süßwasserzufuhr in die westliche Ostsee. Die Veränderlichkeit des Einstroms und die beeinflußten Gebiete sind in Abhängigkeit von den meteorologischen Bedingungen dargestellt.
    Notes: Summary The western part of the Baltic Sea is a shallow transition area which is characterized by the water exchange between the Baltic and the North Sea. The dynamic processes in this area are forced by sea-level differences between the North Sea and Baltic Sea as well as by local wind and freshwater input. The response patterns are modified by Earth's rotation, bathymetric structures and the alignment of the coast. Series of satellite images permit synoptical views of these pattern and their temporal and spatial development. Sea surface temperature maps derived from infrared data supplied by the National Oceanic and Atmospheric Administration (NOAA) satellite-borne Advanced Very High Resolution Radiometer (AVHRR) are used to show various features like upwelling filaments and eddies. The River Oder discharges into the Pomeranian Bight is the main source of freshwater input into the western Baltic. The variability of this inflow and of the affected coastal seas is being presented in relation to the prevailing meteorological conditions.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1572-9893
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography
    Type of Medium: Electronic Resource
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  • 6
    Publication Date: 2015-09-25
    Description: Background: There are no commercially available vaccines against human protozoan parasitic diseases, despite the success of vaccination-induced long-term protection against infectious diseases. East Coast fever, caused by the protist Theileria parva, kills one million cattle each year in sub-Saharan Africa, and contributes significantly to hunger and poverty in the region. A highly effective, live, multi-isolate vaccine against T. parva exists, but its component isolates have not been characterized. Here we sequence and compare the three component T. parva stocks within this vaccine, the Muguga Cocktail, namely Muguga, Kiambu5 and Serengeti-transformed, aiming to identify genomic features that contribute to vaccine efficacy. Results: We find that Serengeti-transformed, originally isolated from the wildlife carrier, the African Cape buffalo, is remarkably and unexpectedly similar to the Muguga isolate. The 420 detectable non-synonymous SNPs were distributed among only 53 genes, primarily subtelomeric antigens and antigenic families. The Kiambu5 isolate is considerably more divergent, with close to 40,000 SNPs relative to Muguga, including 〉8,500 non-synonymous mutations distributed among 〉1,700 (42.5 %) of the predicted genes. These genetic markers of the component stocks can be used to characterize the composition of new batches of the Muguga Cocktail. Conclusions: Differences among these three isolates, while extensive, represent only a small proportion of the genetic variation in the entire species. Given the efficacy of the Muguga Cocktail in inducing long-lasting protection against infections in the field, our results suggest that whole-organism vaccines against parasitic diseases can be highly efficacious despite considerable genome-wide differences relative to the isolates against which they protect.
    Electronic ISSN: 1471-2164
    Topics: Biology
    Published by BioMed Central
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  • 7
    Publication Date: 2016-05-12
    Description: Analytical Chemistry DOI: 10.1021/acs.analchem.6b00373
    Print ISSN: 0003-2700
    Electronic ISSN: 1520-6882
    Topics: Chemistry and Pharmacology
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  • 8
    Publication Date: 1994-08-16
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
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  • 9
    Publication Date: 2015-10-13
    Description: Background: The genus Brachyspira currently encompasses seven valid species that colonize the intestines of mammals and birds. In a previous study a group of strongly haemolytic isolates from pigs and mallards was provisionally described as a new species within genus Brachyspira, “B. suanatina”, and enteropathogenic properties were demonstrated in a porcine challenge model. Methods: In the current study characterization of B. suanatina was performed on the basis of cell morphology, growth characteristics, enzyme profiles, DNA-DNA hybridization (DDH) and whole genome comparisons. The draft genome sequence of B. suanatina strain AN4859/03 was determined and compared with the available genomes of all valid species of Brachyspira. Results: According to morphological traits, growth characteristics and enzymatic profiles, B. suanatina was similar to the type strain of B. hyodysenteriae, but using the recommended threshold value of 70 % similarity by DDH it did not belong to any of the recognized Brachyspira species (range 16–64 % similarity). This was further supported by average nucleotide identity values. Phylogenetic analysis performed using housekeeping genes and core genomes of all valid Brachyspira sp. and “B. hampsonii” revealed that B. suanatina and B. intermedia formed a clade distinct from B. hyodysenteriae. By comparing the genomes of the three closely related species B. intermedia, B. hyodysenteriae and B. suanatina similar profiles of general genomic features and distribution of genes in different functional categories were obtained. However, the genome size of B. hyodysenteriae was smallest among the species, suggesting the possibility of reductive evolution in the divergence of this species. A bacteriophage region and a putative plasmid sequence were also found in the genome of B. suanatina strain AN4859/03. Conclusions: The results of our study suggest that despite being similar to B. hyodysenteriae phenotypically, B. suanatina should be regarded as a separate species based on its genetic characteristics. Based on characteristics presented in this report we propose that strains AN4859/03, AN1681:1/04, AN2384/04 and Dk12570-2 from pigs in Sweden and Denmark, and strains AN3949:2/02 and AN1418:2/01 isolated from mallards in Sweden, represent a unique species within genus Brachyspira. For this new species we propose the name B. suanatina for which the type strain is AN4859/03 T (=ATCC® BAA-2592™ = DSM 100974 T ).
    Electronic ISSN: 1471-2180
    Topics: Biology
    Published by BioMed Central
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  • 10
    Publication Date: 2018-04-24
    Description: Genes, Vol. 9, Pages 225: Genome-Guided Analysis of Clostridium ultunense and Comparative Genomics Reveal Different Strategies for Acetate Oxidation and Energy Conservation in Syntrophic Acetate-Oxidising Bacteria Genes doi: 10.3390/genes9040225 Authors: Shahid Manzoor Anna Schnürer Erik Bongcam-Rudloff Bettina Müller Syntrophic acetate oxidation operates close to the thermodynamic equilibrium and very little is known about the participating organisms and their metabolism. Clostridium ultunense is one of the most abundant syntrophic acetate-oxidising bacteria (SAOB) that are found in engineered biogas processes operating with high ammonia concentrations. It has been proven to oxidise acetate in cooperation with hydrogenotrophic methanogens. There is evidence that the Wood-Ljungdahl (WL) pathway plays an important role in acetate oxidation. In this study, we analysed the physiological and metabolic capacities of C. ultunense strain Esp and strain BST on genome scale and conducted a comparative study of all the known characterised SAOB, namely Syntrophaceticus schinkii, Thermacetogenium phaeum, Tepidanaerobacter acetatoxydans, and Pseudothermotoga lettingae. The results clearly indicated physiological robustness to be beneficial for anaerobic digestion environments and revealed unexpected metabolic diversity with respect to acetate oxidation and energy conservation systems. Unlike S. schinkii and Th. phaeum, C. ultunense clearly does not employ the oxidative WL pathway for acetate oxidation, as its genome (and that of P. lettingae) lack important key genes. In both of those species, a proton motive force is likely formed by chemical protons involving putative electron-bifurcating [Fe-Fe] hydrogenases rather than proton pumps. No genes encoding a respiratory Ech (energy-converting hydrogenase), as involved in energy conservation in Th. phaeum and S. schinkii, were identified in C. ultunense and P. lettingae. Moreover, two respiratory complexes sharing similarities to the proton-translocating ferredoxin:NAD+ oxidoreductase (Rnf) and the Na+ pumping NADH:quinone hydrogenase (NQR) were predicted. These might form a respiratory chain that is involved in the reduction of electron acceptors rather than protons. However, involvement of these complexes in acetate oxidation in C. ultunense and P. lettingae needs further study. This genome-based comparison provides a solid platform for future meta-proteomics and meta-transcriptomics studies and for metabolic engineering, control, and monitoring of SAOB.
    Electronic ISSN: 2073-4425
    Topics: Biology
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