La presente investigación conforma un análisis de las prácticas artísticas más significativas del arte electrónico con el fin de encontrar posibles convergencias entre ellas en el contexto de las tecnologías digitales. Se plantea como objetivo principal proporcionar un marco de reflexión que analice la naturaleza de estas prácticas artísticas con el fin de encontrar sus posibles vínculos formales, tecnológicos, estéticos y funcionales. El trabajo se estructura en dos parte. La primera ofrece un marco teórico sobre el carácter multidisciplinar del Media Art, a través de una clasificación en dieciséis campos de investigación vinculados al arte electrónico que analizan pormenorizadamente aspectos constitutivos de éste. La segunda parte del estudio, de carácter eminentemente práctico, se fundamenta en un trabajo de campo que tiene como resultado la construcción de un mapa taxonómico donde se presentan las interrelaciones entre estas prácticas artísticas con el fin de detectar campos convergentes o divergentes que permitan definir de una manera más exhaustiva (que la realizada hasta el momento), el alcance de estas prácticas y de sus correspondientes artistas. A nivel general, este trabajo de investigación intenta demostrar la convergencia y divergencia existente entre las diferentes prácticas artísticas que conforman el arte electrónico, teniendo en cuenta las diferentes catalogaciones de museos y centros de Media Art, festivales de arte electrónico e instituciones relacionadas con la temática de la tesis, con el fin de establecer estadísticas (campos de acción, utilización de medios, etc.) que permitan un análisis más profundo de las mismas. / Soares De Castro, GE. (2013). New Media Art: Taxonomía de las Prácticas Artísticas en el Contexto de las Tecnologías Digitales [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/33397 / TESIS

¿Pintar en Prosa. Valerio Adami a través de sus referentes literarios, musicales y artísticos¿ es una tesis monográfica sobre el pintor italiano Valerio Adami (Bolonia, 1935). En ella se realiza un acercamiento biográfico dentro del contexto histórico artístico comprendido entre los años 1960 y 2000, atendiendo a su método de trabajo, sus exposiciones y los posibles paralelismos e influencias con otros artistas, analizando en profundidad los referentes artísticos que le han acompañado y le siguen impulsando en su labor creadora. El eje principal de este trabajo de investigación corresponde al referente literario, que se articula en tres bloques: relatos y novelas, retratos a escritores y mitología y alegorías. Siendo el legado artístico tan importante en su producción, se han estudiado diferentes obras clave que son testimonio de su pasión por el arte. Otra preferencia patente a lo largo de toda su trayectoria es la música; por ello se ha hecho especial hincapié en sus recuerdos musicales traducidos a pinturas dedicadas a músicos y compositores. Correspondiendo a su tiempo, el pintor ha dedicado gran parte de su producción a los acontecimientos sociales e históricos más relevantes, sin descuidar la importancia que grandes filósofos y pensadores han ejercido sobre la sociedad, coincidiendo con algunos mitos cinematográficos. Adami como pintor ha dejado una huella personal durante toda su dilatada carrera, siendo un referente en el estudio del autorretrato y las pinturas de viajes. En esta tesis doctoral se han analizado las pinturas y dibujos más relevantes, dando una visión completa de sus características plásticas y posibles lecturas interpretativas, apoyadas por diferentes entrevistas al autor que corroboran su significado. / Alemany Romero, I. (2014). PINTAR EN PROSA. VALERIO ADAMI A TRAVÉS DE SUS REFERENTES LITERARIOS, MUSICALES Y ARTÍSTICOS [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/36672 / TESIS

The present study was implemented using two different X-ray detection systems; a monochromatic X-ray system for X-ray Fluorescence (XRF) and Angular Dispersive X-ray Diffraction (ADXRD) techniques, and a combined Polarized Energy Dispersive X-ray Fluorescence (PEDXRF) and Energy Dispersive X-ray Diffraction (EDXRD) system. As both of these systems involve different techniques, the primary objective of this study was to evaluate the performance and accuracy of each system using results achieved from XRF measurements. The assessment of the two systems was carried out by investigating invasive ductal carcinoma (IDC) of breast and normal surrounding breast tissues. The results established from the two XRF systems are in a very good agreement with each other. The statistical analysis reveals a significant and measurable increase at P<0.01 in the concentration of K, Ca, Zn, Rb and Fe (P<0.05) in the tumor tissue when compared with the healthy tissue. However, the levels of Cl, Cu and Br attained by both systems have not demonstrated a statistically significant difference between the normal and cancerous tissues. Investigating the structural components of the same breast tissues using of the X-ray Diffraction (XRD) spectrometers incorporated in both systems indicated a statistically significant difference in the components of normal and malignant samples. Furthermore, the results have shown a remarkable increase in the fibrous and water contents of the tumour tissue at P<0.01, and a significant increase in the adipose content of the normal tissue at P<0.01. The results acquired from both XRD approaches were shown to be statistically compatible with each other. Overall, the comparisons between the two X-ray detection systems have shown tremendous results for the combined PEDXRF and EDXRD system for the purpose of classifying normal and tumor breast tissues. / Thesis / Master of Science (MSc)

No description available.

Thesis. 1975. B.S. cn--Massachusetts Institute of Technology. Dept. of Physics. / MICROFICHE COPY AVAILABLE IN ARCHIVES. / Includes bibliographical references. / B.S.cn

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<p>Mechanisms of sex chromosome dosage compensation vary widely between different vertebrate species. All eutherians, including humans, other primates, and rodents, undergo random X chromosome inactivation in early female embryos, a process by which the majority of the genes on one X chromosome in the female are silenced (inactive X, Xi) to create a transcription level matching that of the single X chromosome in males. Random inactivation of the placental embryo is initiated from a region on the X chromosome called the X-inactivation center (XIC in humans and Xic in mice), thus implicating this region as the key chromosomal element in distinguishing random from imprinted X inactivation during mammalian evolution. This invites a comparative genomic approach to explore the organization and evolution of this region throughout mammalian lineages</p><p>Patterns of X inactivation are genetically determined, as indicated by non-random patterns of inactivation in mice heterozygous for the X-linked X controlling element (Xce) locus, the molecular and genomic basis of which is unknown. Using QTL mapping in Xce heterozygous mice, we previously identified a 1.85Mb candidate region for Xce. This candidate region contains the X inactivation center (Xic), including the critical X inactivation genes Xist and Tsix. To explore the genomic organization of this region in C57BL/6J (B6), we identified extensive large (>5Kb) inverted and non-inverted segmental duplications lying greater than 350Kb proximal to Xist. Investigating these segmental duplications further, we then compared copy number and sequence variant differences among strains carrying different Xce alleles to identify candidate variants in a subportion of the interval that correlate with specific Xce alleles. </p><p>The Xce candidate region was then compared to the corresponding region of the X chromosome from several other species. Notably, the segmental duplications within the mouse Xce region are maintained positionally through the other species over at least 105 MYA, although they do not share the same DNA in the copy variant. </p><p>These and future experiments should provide detailed characterization of the Xce candidate region and an opportunity to address the role that these sequence signatures may play in the earliest stages of X inactivation when the two X chromosomes are distinguished from one another.</p> / Dissertation

The RS 2400 irradiator has been looked to as a replacement for discontinued gamma irradiators. The RS 2400 has a cylindrical, rather than point, x-ray source, which yields higher dose rates. The irradiator unit allows the user to set the current, voltage, and time for which the sample is to be irradiated, but gives no conversion between these values and the dose delivered. Working with Mississippi State University’s Experimental Seafood Processing Laboratory (ESPL), the purpose of this research was to characterize the dose delivered by the RS 2400 for typical operating conditions. The RS 2400 exposure rate increases, as expected, as the current and voltage are increased. The x-ray beam is uniform within 10% at the surface of the x-ray tube over a wide range of voltages, with the exception of the leftmost 5 cm of the tube, where structural supports are located. At the maximum operating parameters (150 kV and 45 mA), the beam has a first half value layer (HVL1) of 13.66 mm aluminum, a homogeneity coefficient of 0.47, and equivalent photon energy (hveq) of 88.5 keV. This suggests a broad energy x-ray beam. The maximum deliverable dose rate to tissue at the surface of the x-ray tube is 65 Gy min-1 ± 3.1%, but it is unlikely that any sample will ever be irradiated this close to the x-ray tube. The standard sample canisters are 7.62 cm in diameter and the maximum deliverable dose rate to tissue at the canister location (with no canister present) is 37 Gy min-1 ± 3.1%. This is similar to the 45 Gy min-1 value that Rad Source Technologies, Inc. gives for the irradiator. Irradiation of live oysters is of primary interest to the ESPL. For irradiation, oysters will most likely be placed in the 10.2 cm diameter plastic canisters since the 7.62 cm diameter canisters are not wide enough to hold larger oysters. The oyster shells and increased distance from the x-ray source reduce the maximum deliverable dose rate to 14.1 Gy min-1 ± 6.5% for thin-shelled oysters and 12.3 Gy min-1 ± 6.2% for thick-shelled oysters.

Thesis (M.S.)--University of Florida, 2003. / Title from title page of source document. Includes vita. Includes bibliographical references.

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