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Open AccessThyroid hormone action in epidermal development and homeostasis and its implications in the pathophysiology of the skin
Thyroid hormones (THs) are key endocrine regulators of tissue development and homeostasis. They are constantly released into the bloodstream and help to regulate many cell functions. The principal products rel...
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Article
Retrospective study assessing the role of MRI in the diagnostic procedures for early breast carcinoma: a correlation of new foci in the MRI with tumor pathological features
Use of breast magnetic resonance imaging (MRI) to detect breast cancer has generated significant debate. We analyze the role of breast MRI in the detection of additional disease and the need to perform additio...
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Article
Biweekly docetaxel and gemcitabine as neoadjuvant chemotherapy followed by adjuvant doxorubicin and cyclophosphamide therapy in stage II and III breast cancer patients: results of a phase II study
The purpose of this phase II study was to evaluate the efficacy and safety of neoadjuvant docetaxel/gemcitabine treatment in a biweekly regimen.
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Article
Removing Uranium and Radium from a Natural Water
Different types of iron- or aluminium-based coagulants were used to study the influence of the key water potabilization processes of coagulation, flocculation, and decantation on the elimination of significant...
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Article
Elimination of man-made radionuclides from natural waters by applying a standard coagulation-flocculation process
We studied the effectiveness of potable water treatment processes that consist of the stages of coagulation-flocculation-decantation, using iron-based coagulants, in eliminating gamma-emitting man-made radiois...
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Temporal Evolution of Natural and Man-Made Radioactivity Levels in Milk Samples: Dosimetry Implications
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Article
Architecture of an Image Rendering Co-Processor for MPEG-4 Visual Compositing
The TANGRAM VLSI co-processor is intended as a building block for use in system-on-chip (SOC) designs for the versatile MPEG-4 multimedia standard. It is designed to perform the computation intensive final ste...
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Article
Influence of interbasin transfers between the Alcántara and Guadiloba reservoirs on the radiological quality of the drinking water of the city of Cáceres (Spain)
From 1994 to 1996 we have studied a number of radioactive (total b and residual b-activity levels and 3H activity) and physico-chemical (pH, conductivity, and natural potassium content) parameters in the water of...
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Recent Evolution of the Multi-Isotopic Radioactive Content in Ice of Livingston Island, Antarctica
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Article
A procedure for the determination of very low activity levels of tritium in water samples
We describe the procedure developed for the electrolytic concentration of3H in water, together with systematically applied checks to guarantee the reproducibility of the process and to minimize the variability be...
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Article
Temporal evolution of the3H levels in the surface waters around the Almaraz Nuclear Power Plant
We have quantified the evolution during 1994 of the impact on the Tagus river of liquid releases of3H (51.3 TBq in the cited year), originating from the functioning of the Almaraz Nuclear Power Plant, and conditi...
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Article
Analysis of the temporal evolution of atmospheric7Be as a vector of the behavior of other radionuclides in the atmosphere
The mean weekly levels of7Be in the atmosphere of Cáceres (Spain) was measured for three consecutive years, from 1992 to 1994. The values showed a strongly seasonal behavior, conditioned fundamentally by two effe...
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Article
Expression of stress proteins in cultured human cells as a sensitive indicator of metal toxicity
Human cell lines cultured under standardized conditions are found to react after a wide variety of aggressive but sub-lethal treatments by expressing stress proteins, mainly of the HSP68, HSP70 and HSP90 famil...
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Article
Influence of geology and soil particle size on the surface-area/volume activity ratio for natural radionuclides
The radioactive concentrations of226Ra,232Th,235U and40K in surface soil of the province of Cáceres (Spain) were studied as a function of the geology and grain size. The activities of the four radionuclides in gr...
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Article
Natural and artificial radioactivity levels in Livingston Island (Antarctic Regions)
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Article
Surface and depth fallout distribution of137Cs and90Sr in soils of Caceres (Spain). Dose commitments due to external irradiation
An analysis has been made of the surface distribution of137Cs and90Sr in soils of the province of Cáceres (Spain), of some 20.000 km2 area, situated on the frontier with Portugal. From the distribution of depth p...
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Radiological impact of the Almaraz Nuclear Power Plant (Spain) during 1986 to 1989 on the surrounding environment
With the object of quantifying the radiological impact that the Almaraz Nuclear Power Station, situated beside the Tajo river in Spain, induces on its ecosystem, since 1986 we have been carrying out multiple g...
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Article
Short and medium effects on the environment of Valencia, Spain, of the chernobyl nuclear plant accident