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  • Oxford University Press  (25)
  • Blackwell Publishing Ltd  (6)
  • 2015-2019  (13)
  • 2005-2009  (10)
  • 2000-2004  (8)
  • 1960-1964
  • 1870-1879
  • 1
    Electronic Resource
    Electronic Resource
    Exploring biophysical potential and sustainability of wheat cultivation in Uruguay at the national level (2000)
    Oxford, UK : Blackwell Publishing Ltd
    Soil use and management 16 (2000), S. 0 
    Details
    ISSN: 1475-2743
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract. A methodology is presented that explores soil survey information at the national level (1:1 M), generating sustainability indicators for wheat cultivation in Uruguay. Potential yields were calculated for simplified crop production situations under several constraints, such as limitation of water availability calculated from soil physical properties and climatic conditions, and limitation of nutrient availability calculated from soil fertility and climatic conditions. Land quality sufficiency was examined by comparing these yields with the constraint-free yield conditioned only by solar radiation, temperature and the crop's photosynthetic properties. Crop growth was simulated only for areas suitable for the defined agricultural use. Model runs were repeated with inclusion of a topsoil loss scenario over 20 years as defined from an erosion risk analysis. Comparison between crop growth simulations for the two situations, gives an indication of the changes in land quality status, which supplies an indicator for agroecological sustainability.On the basis of crop growth simulation it is concluded that wheat production constraints in Uruguay appear to be mainly related to water availability limitations, while nutrient availability is near optimal for the suitable soils. The simulated loss of topsoil impacts most on soil physical properties, expressed in reduced water-limited yields. Soil fertility status, evaluated by change in nutrient-limited yields, was little affected by the scenario.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1475-2743.2000.tb00208.x
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  • 2
    Electronic Resource
    Electronic Resource
    THE INFLUENCE OF BITE SIZE AND MULTIPLE BITES ON ORAL TEXTURE SENSATIONS (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of sensory studies 18 (2003), S. 0 
    Details
    ISSN: 1745-459X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The influence of bite size on sensory mouthfeel and afterfeel sensations was explored in two studies in which single bites of vanilla custard desserts were varied from itollmL (study 1) and in which series of five bites of two different custard desserts were presented consecutively (study 2). In single bites, sensations of perceived creaminess were enhanced with size whereas sensations of astringency and temperature were suppressed. Bite size also affected perceived thickness, but the direction of the effects varied with custard desserts. With multiple bites, creaminess sensations continued to increase, whereas other sensations were unaffected. Switching to a second series of bites of another vanilla custard dessert showed larger sensory effects, especially on astringency sensations but also to a lesser extent on sensations of thickness and fatty afterfeel. Single and multiple bite results are discussed in terms of possible peripheral mechanisms. Switching results are discussed in terms of possible central sensory contrast mechanisms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1745-459X.2003.tb00398.x
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  • 3
    Electronic Resource
    Electronic Resource
    Stimulating the Potential: Creative Performance and Communication in Innovation Teams (2004)
    Oxford, UK and Malden, USA : Blackwell Publishing Ltd
    Creativity and innovation management 13 (2004), S. 0 
    Details
    ISSN: 1467-8691
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Economics
    Notes: Creativity is essential to successful new product development efforts. Teams constitute the organizing principle in most modern innovation activities. Although creativity research has revealed many factors influencing individual creativity, little is known about how team-level creativity is determined. Since the creative innovation task requires teams to combine and integrate input from multiple team members, the team's communication pattern is an important determinant of team creativity. Based on a sample of 44 NPD teams in eleven companies, this study examines the effects of team-member communication on team creativity. It is found that both interaction frequency and subgroup-formation of communication have a negative relationship to team creativity. Theoretical and practical implications are discussed, and further research is indicated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1467-8691.2004.00294.x
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  • 4
    Electronic Resource
    Electronic Resource
    Predictive Analysis of Cocoa Procyanidins Using Near-Infrared Spectroscopy Techniques (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 68 (2003), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: A near-infrared reflectance (NIR) spectroscopy technique for the prediction of procyanidins in cocoa beans (Theobroma cacao) has been developed. A select group of cocoa liquors from different origins used for the manufacture of chocolate were analyzed to determine quantitative levels of procyanidin oligomers (monomer to decamer) using normal-phase high-performance liquid chromatography. The calibration set included seasonal, environmental, and fermentation variations to cover the concentration range of procyanidins found at naturally occurring levels. The sample set was analyzed on FOSS NIR System II 6500 spectrophotometers and partial least-squares algorithms developed. Very good calibration statistics were obtained for the prediction of the total procyanidin oligomers (r2 = 0.983) with standard deviation/standard error of cross validation ratio (SD/SECV) of 5.68. A global version of this calibration, involving 20 Foss instruments produced a calibration r2 = 0.98 with a SD/ SECV = 6.20. Procyanidins have attracted increasing attention because of the rapidly growing body of evidence associating these compounds with a wide range of potential health benefits. A rapid method for the analysis of procyanidins in cocoa liquors would be beneficial in quality-control environments and would provide cost benefits to manufacturing operations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb05779.x
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  • 5
    Electronic Resource
    Electronic Resource
    Quantitative analysis of bacterial communities from Mediterranean sapropels based on cultivation-dependent methods (2004)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 51 (2004), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Microbial communities of ancient Mediterranean sapropels, buried sediment layers of high organic matter, were analyzed by most probable number (MPN) approaches. Mineral media containing different carbon sources in sub-millimolar concentrations were used. MPN numbers were elevated in sapropels and at the sediment surface, which mirrored total cell count distributions. Highest MPN counts were obtained with a mixture of different monomeric and polymeric substrates, with amino acids or with long-chain fatty acids as sole carbon sources. These values reached up to 2 × 107 cm−3, representing 3.3% of the total cell count. A total of 98 pure cultures were isolated from the highest positive dilutions of the MPN series, representing the most abundant microorganisms culturable by the methods used. The strains were identified by molecular biological methods and could be grouped into 19 different phylotypes. They belonged to the α-, β-, γ-, and δ-Proteobacteria, to the Actinobacteria and the Firmicutes. However, about half of the number of isolates was closely related to the genera Photobacterium and Agrobacterium. Regarding the high cultivation success, these organisms can be assumed to be typical sapropel bacteria, representing a substantial part of the culturable indigenous microbial community.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/j.femsec.2004.07.010
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  • 6
    Electronic Resource
    Electronic Resource
    Effect of petrochemical sludge concentrations on microbial communities during soil bioremediation (2005)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 53 (2005), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Qualitative and quantitative changes of microbial communities in soil microcosms during bioremediation were determined throughout one year. The soil was contaminated with 0%, 2.5%, 5%, 10% (wt/wt) of petrochemical sludge containing polynuclear aromatic hydrocarbons. We analyzed the hydrocarbon concentration in the microcosms, the number of cultivable bacteria using CFU and most probable number assays, the community structure using denaturing gradient gel electrophoresis, and the metabolic activity of soil using dehydrogenase activity and substrate-induced respiration assays. After one year of treatment, the chemical analysis suggested that the hydrocarbon elimination process was over. The biological analysis, however, showed that the contaminated microcosms suffered under long-term disturbance. The number of heterotrophic bacteria that increased after sludge addition (up to 108–109 cells ml−1) has not returned to the level of the control soil (2–6 × 107 cells ml−1). The community structure in the contaminated soils differed considerably from that in the control. The substrate-induced respiration of the contaminated soils was significantly lower (10-fold) and the dehydrogenase activity was significantly higher (20–40-fold) compared to the control. Changes in the community structure of soils depended on the amount of added sludge. The species, which were predominant in the sludge community, could not be detected in the contaminated soils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/j.femsec.2005.01.014
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  • 7
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    The Atacama Cosmology Telescope: measuring radio galaxy bias through cross-correlation with lensing (2015)
    Oxford University Press
    Details
    Publication Date: 2015-05-31
    Description: We correlate the positions of radio galaxies in the FIRST survey with the cosmic microwave background lensing convergence estimated from the Atacama Cosmology Telescope over 470 deg 2 to determine the bias of these galaxies. We remove optically cross-matched sources below redshift z  = 0.2 to preferentially select active galactic nuclei (AGN). We measure the angular cross-power spectrum $C_l^{\kappa g}$ at 4.4 significance in the multipole range 100 〈  l  〈 3000, corresponding to physical scales within 2–60 Mpc at an effective redshift z eff  = 1.5. Modelling the AGN population with a redshift-dependent bias, the cross-spectrum is well fitted by the Planck best-fitting cold dark matter cosmological model. Fixing the cosmology and assumed redshift distribution of sources, we fit for the overall bias model normalization, finding b ( z eff ) = 3.5 ± 0.8 for the full galaxy sample and b ( z eff ) = 4.0 ± 1.1(3.0 ± 1.1) for sources brighter (fainter) than 2.5 mJy. This measurement characterizes the typical halo mass of radio-loud AGN: we find $\log (M_{\rm halo} / \,\mathrm{M}_{\odot }) = 13.6^{+0.3}_{-0.4}$ .
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 8
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    COLOMBOS v3.0: leveraging gene expression compendia for cross-species analyses (2016)
    Oxford University Press
    Details
    Publication Date: 2016-01-07
    Description: COLOMBOS is a database that integrates publicly available transcriptomics data for several prokaryotic model organisms. Compared to the previous version it has more than doubled in size, both in terms of species and data available. The manually curated condition annotation has been overhauled as well, giving more complete information about samples’ experimental conditions and their differences. Functionality-wise cross-species analyses now enable users to analyse expression data for all species simultaneously, and identify candidate genes with evolutionary conserved expression behaviour. All the expression-based query tools have undergone a substantial improvement, overcoming the limit of enforced co-expression data retrieval and instead enabling the return of more complex patterns of expression behaviour. COLOMBOS is freely available through a web application at http://colombos.net/ . The complete database is also accessible via REST API or downloadable as tab-delimited text files.
    Print ISSN: 0305-1048
    Electronic ISSN: 1362-4962
    Topics: Biology
    Published by Oxford University Press
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  • 9
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    The Atacama Cosmology Telescope: measuring radio galaxy bias through cross-correlation with lensing (2015)
    Oxford University Press
    Details
    Publication Date: 2015-06-12
    Description: We correlate the positions of radio galaxies in the FIRST survey with the cosmic microwave background lensing convergence estimated from the Atacama Cosmology Telescope over 470 deg 2 to determine the bias of these galaxies. We remove optically cross-matched sources below redshift z  = 0.2 to preferentially select active galactic nuclei (AGN). We measure the angular cross-power spectrum $C_l^{\kappa g}$ at 4.4 significance in the multipole range 100 〈  l  〈 3000, corresponding to physical scales within 2–60 Mpc at an effective redshift z eff  = 1.5. Modelling the AGN population with a redshift-dependent bias, the cross-spectrum is well fitted by the Planck best-fitting cold dark matter cosmological model. Fixing the cosmology and assumed redshift distribution of sources, we fit for the overall bias model normalization, finding b ( z eff ) = 3.5 ± 0.8 for the full galaxy sample and b ( z eff ) = 4.0 ± 1.1(3.0 ± 1.1) for sources brighter (fainter) than 2.5 mJy. This measurement characterizes the typical halo mass of radio-loud AGN: we find $\log (M_{\rm halo} / \,\mathrm{M}_{\odot }) = 13.6^{+0.3}_{-0.4}$ .
    Print ISSN: 0035-8711
    Electronic ISSN: 1365-2966
    Topics: Physics
    Published by Oxford University Press
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  • 10
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    Distinct compositions of free-living, particle-associated and benthic communities of the Roseobacter group in the North Sea (2016)
    Oxford University Press
    Details
    Publication Date: 2016-01-23
    Description: The Roseobacter group is one of the predominant lineages in the marine environment. While most investigations focus on pelagic roseobacters, the distribution and metabolic potential of benthic representatives is less understood. In this study, the diversity of the Roseobacter group was characterized in sediment and water samples along the German/Scandinavian North Sea coast by 16S rRNA gene analysis and cultivation-based methods. Molecular analysis indicated an increasing diversity between communities of the Roseobacter group from the sea surface to the seafloor and revealed distinct compositions of free-living and attached fractions. Culture media containing dimethyl sulfide (DMS), dimethyl sulfonium propionate (DMSP) or dimethyl sulfoxide (DMSO) stimulated growth of roseobacters showing highest most probable numbers (MPN) in DMSO-containing dilutions of surface sediments (2.1 x 10 7 roseobacters cm –3 ). Twenty roseobacters (12 from sediments) were isolated from DMSP- and DMS-containing cultures. Sequences of the isolates represented 0.04% of all Bacteria and 4.7% of all roseobacters in the pyrosequencing dataset from sediments. Growth experiments with the isolate Shimia sp. SK013 indicated that benthic roseobacters are able to switch between aerobic and anaerobic utilization of organic sulfur compounds. This response to changing redox conditions might be an adaptation to specific environmental conditions on particles and in sediments.
    Print ISSN: 0168-6496
    Electronic ISSN: 1574-6941
    Topics: Biology
    Published by Oxford University Press
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