833 resultados para Color in art.
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Mode of access: Internet.
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Cover title: Bridges, color studies.
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Mode of access: Internet.
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Mode of access: Internet.
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Introduction.--The significance of art.--The artist's versus the public's point of view.--On composition.--Balance in pictures.--Rhythm and how it is attained.--Harmony and unity.--What color means to an artist.--The technical development.--Changes in the aesthetic ideal.--The nude in art.--On art patronage.--Hopes for American art.
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Cavalieri has engraved reproductions of Circignano's frecoes in the church of St. Thomas of Canterbury of the English College in Rome.
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The plates include one frontispiece, 22 plates numbered I-XXII and one addtional plate numbered XVIb.
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Cavalieri has engraved reproductions of Circignano's frescoes in S. Stefano Rotondo in Rome.
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Includes index.
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Bibliographical footnotes.
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Mode of access: Internet.
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The aim of the study was to perform a genetic linkage analysis for eye color, for comparative data. Similarity in eye color of mono- and dizygotic twins was rated by the twins' mother, their father and/or the twins themselves. For 4748 twin pairs the similarity in eye color was available on a three point scale (not at all alike-somewhat alike-completely alike), absolute eye color on individuals was not assessed. The probability that twins were alike for eye color was calculated as a weighted average of the different responses of all respondents on several different time points. The mean probability of being alike for eye color was 0.98 for MZ twins (2167 pairs), whereas the mean probability for DZ twins was 0.46 (2537 pairs), suggesting very high heritability for eye color. For 294 DZ twin pairs genome-wide marker data were available. The probability of being alike for eye color was regressed on the average amount of IBD sharing. We found a peak LOD-score of 2.9 at chromosome 15q, overlapping with the region recently implicated for absolute ratings of eye color in Australian twins [Zhu, G., Evans, D. M., Duffy, D. L., Montgomery, G. W., Medland, S. E., Gillespie, N. A., Ewen, K. R., Jewell, M., Liew, Y. W., Hayward, N. K., Sturm, R. A., Trent, J. M., and Martin, N. G. (2004). Twin Res. 7:197-210] and containing the OCA2 gene, which is the major candidate gene for eye color [Sturm, R. A. Teasdale, R. D, and Box, N. F. (2001). Gene 277:49-62]. Our results demonstrate that comparative measures on relatives can be used in genetic linkage analysis.
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We are undertaking a program to measure the characteristics of the intracluster light ( ICL; total flux, profile, color, and substructure) in a sample of 10 galaxy clusters with a range of cluster mass, morphology, and redshift. We present here the methods and results for the first cluster in that sample, A3888. We have identified an ICL component in A3888 in V and r that contains 13% +/- 5% of the total cluster light and extends to 700 h(70)(-1) kpc (similar to 0.3r(200)) from the center of the cluster. The ICL color in our smallest radial bin is V - r 0.3 +/- 0.1, similar to the central cluster elliptical galaxies. The ICL is redder than the galaxies at 400 h(70)(-1) kpc < r < 700 h(70)(-1) kpc, although the uncertainty in any one radial bin is high. Based on a comparison of V - r color with simple stellar models, the ICL contains a component that formed more than 7 Gyr ago ( at z less than 1) with a high-metallicity ( 1.0 Z(circle dot) < Z(ICL) less than or similar to 2.5 Z(circle dot)) and a more centralized component that contains stars formed within the past 5 Gyr ( at z similar to 1). The profile of the ICL can be roughly fitted by a shallow exponential in the outer regions and a steeper exponential in the central region. We also find a concentration of diffuse light around a small group of galaxies 1.4 h(70)(-1) Mpc from the center of the cluster. In addition, we find three low surface brightness features near the cluster center that are blue ( V - r 0.0) and contain a total flux of 0.1M*. Based on these observations and X-ray and galaxy morphology, we suggest that this cluster is entering a phase of significant merging of galaxy groups in the core, whereupon we expect the ICL fraction to grow significantly with the formation of a cD galaxy, as well as the infall of groups.
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The contemporary directions of art galleries worldwide are changing as social patterns and demands, and visitor expectations of their experiences at art galleries change. New programs and strategies are being developed in galleries to make these institutions more appealing to people who would not normally visit them. One such strategy is the staging of special events, which in galleries take a variety of forms. As special events are increasingly being employed by galleries to inspire new audiences, it is important that these institutions develop an awareness of how their visitors understand and respond to such events. Festivals are one type of special event that visitors identify as having a distinct role and nature. This paper explores visitors’ perceptions of festivals in art galleries and identifies several characteristics that distinguish festivals from other special events. These characteristics include the focus of the event, the audience attending, the degree of interactivity offered, the timing, and the place at which the event is staged. Understanding visitors’ perceptions and expectations of festivals will enable galleries to develop and further enhance their programs and special events to meet visitors’ needs.
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Background and aims: Bilirubin is an orange-yellow tetrapyrrole produced from the breakdown of heme by mammals and some other vertebrates. Plants, algae, and cyanobacteria synthesize molecules similar to bilirubin, including the protein-bound bilins and phytochromobilin which harvest or sense light. Recently, we discovered bilirubin in the arils of Strelitzia nicolai, the White Bird of Paradise Tree, which was the first example of this molecule in a higher plant. Subsequently, we identified bilirubin in both the arils and flowers of Strelitzia reginae, the Bird of Paradise Flower. In the arils of both species, bilirubin is present as the primary pigment, and thus functions to produce color. Previously, no tetrapyrroles were known to generate display color in plants. We were therefore interested in determining whether bilirubin is broadly distributed in the plant kingdom, and whether it contributes to color in other species.