The Lower Cambrian Carbonate beds of Alcolea, Córdoba (Spain)

[ES] El estudio y análisis paleontológico y sedimentológico de los mate¡iales carbona- Lados del Cámbrico Inferior de la Sierra de Córdoba, en las proximidades de Alcolea (Córdoba). ha permitido reconocer la presencia de montículos de calcimicrobios y un buen número de taxones de arqueot=iatosformando parte de estas bioconstrucciones U otro tipo de facies. En este trabajo se incluyen los datos obtenidos del estudio taxonómico, bioestratigráfico y paleobiogeográfico relaciotíado con los arqueociatos encontrados, así como el análisis estratigráfico y sedimentológico de los depósitos estudewed&w[EN] A palaeontological and sedimentologic study and analysis of the carbonate beds lroni the Lower Cambrian of Siena de Córdoba, near Alcolea (Córdoba). have allowed us to recognize the presence of calciniicrobial mounds witb several taxa of archaeocyaths. In ibis work we include the resulis obtained trom taxonomic, biostratigrapbic and palaeobiogeographic siudies related to these archaeocyaths, as well as the infonnation gasbered from dic stratigrapbic and sedimentologic analysis of dic rocks.Este trabajo se encuentra dentro del marco del proyecto PB96-0842.Peer reviewe

ArDIn: Arte, diseño e ingeniería

Si indagamos en el tiempo, como por ejemplo en el Renacimiento, descubriremos que el arte, el diseño y la ingeniería han estado relacionados entre sí y que esa unión ha favorecido la creación de grandes obras a lo largo de la historia. Para entender este proceso será necesario definir cada concepto para a continuación buscar el hilo conductor de un discurso que haga visibles las fuentes comunes de las que todos ellos se nutren. El propósito es abrir una línea de investigación que, indagando en el pasado y apoyándonos en el presente, nos permita ampliar las miras para que el arte, el diseño y la ingeniería retomen el espacio común que han compartido en diversas épocas

“Inmunidad de jurisdicción de los Estados”

La jurisdicción de una nación en su territorio es exclusiva y absoluta. No es susceptible de limitación que no fuese impuesta por ella misma. Cualquier restricción que genere invalidación implicaría una disminución de su soberanía

Importance of the toxicological tests in the application and safety of ozone therapy

Until today, there is not any official registry of the different routes of systemic ozone therapy. With the aim to prove the safety of this therapy, several ways of ozone (O3) applications were evaluated, such as rectal insufflation (RI), major autohemotherapy (M-AHT) and intraperitoneal application (IP). For RI, some toxicological tests were performed such as: acute, sub-chronic, mutagenic (bone marrow chromosomic aberrations and micronucleus), teratogenic  and irritation studies (at 40 mg/L and 10 mL during 15 days). For M-AHT, acute toxicological (in rats with 21, 47 and 64 mg/L and a volume of 2 mL with daily evaluation up to 15 days) and mutagenic (chromosomal aberration analysis, micronucleus assay and sister chromatid exchange test) studies were performed. For IP application, subchronic (O3 was administered during 15 days in mice at concentrations of 11, 29 and 35 mg/L and volumes of 80 mL/kg) and genotoxic (cytotoxic and clastogenic activity) studies were evaluated. All the toxicological studies performed for the O3 RI fulfilled the requirements established for an official registry (no deleterious effects were observed). However, more toxicological studies must be done with respect to M-AHT and IP O3 applications in order to prove the complete safety of these ways

Ozone Therapy in leg ulcers of patients with chronic venous insufficiency [abstract]

The term chronic venous insufficiency ? CVI (due to a deep vein thrombosis, valvular insufficiency or both) indicates a pathologic condition characterized by alterations of the venous flow and is the main cause in the formation of ulcers in the lower limbs, creating an important socio-medical problem, which finally leads the patient to a total disability for the rest of his/her life. In healthy leg veins, one-way valves allow blood to move only in one direction: upstream towards the heart. This prevents the backward flow of blood, back down the legs. However, in disease leg veins, the valves are enlarged and retracted, in such way, that they become unable to block the retrograde venous flow being the main cause for the appearance of ulcers in the lower limbs. Taking into account the different therapeutic effects of ozone as [1,2]: improvement of oxygen metabolism and blood rheologic properties, stimulation of the antioxidant defense system achieving the cell redox balance, modulation of the immunological system and nitric oxide, as well as its great germicide power, among others, the aim of this study was to evaluate the efficacy of ozone therapy on the healing process of chronic ulcers of the lower limb in comparison with conventional treatment. A controlled and randomized phase III clinical trial was performed in 90 hospitalized patients with ulcers (over 2 years of evolution, with a diameter of no less than 5 cm) of the lower limbs due to CVI [3]. Efficacy was evaluated according to the least time of hospital stay, which was the necessary time for the lesions to heal or when they were aseptic or their granulation tissue was ready for skin graft. In the cases where the patient did not want to be skin grafted, he/she was discharged and continued treatment at home with topic OLEOZON® (sunflower ozonated oil). The sample was divided at random into 3 groups of 30 patients each: 1-Control group (conventional treatment): venous repose (leg elevation), hyposodic diet, analgesics, daily cure with saline solution and fomentation with antiseptic solutions, several times per day. 2-Ozone group (M-AHT): venous repose (leg elevation), hyposodic diet, analgesics and local ozone treatment (bagging) and topical OLEOZON®, once per day, combining with M-AHT (3 times per week), up to 10 sessions (50 mg/L and 50 mL in 100 mL of blood). 3-Ozone group (Rectal): As M-AHT group but using rectal ozone application up to 20 sessions, once per day (50 mg/L and 200 L). No systemic or local antibiotics were used in the study. Results indicated an average length hospital stay of (53.1 ± 13.9) d for the control group and of (31.5 ± 6.7) d for both ozone group, with significant differences between control and ozone groups. Therefore, hospital stay was reduced for patients with ulcers in the lower limbs treated by ozone therapy, with the subsequent economic saving. No significant differences were observed between the two ozone groups in length hospital stay. No adverse reactions were seen. Ozone therapy can be considered as another treatment within the therapeutical supply for this condition, which could provide a fast rehabilitation for patients as well as their incorporation to a useful life

Inmunidad de jurisdicción de los Estados. Caso “ARA Libertad”

La jurisdicción de una nación en su territorio es exclusiva y absoluta. No es susceptible de limitación que no fuese impuesta por ella misma. Cualquier restricción que genere invalidación implicaría una disminución de su soberaní

Violencia sin máscara

Actas del Primer Congreso Internacional sobre Imagen, Cultura y Tecnología celebrado del 3 al 5 de septiembre de 2008 en la Universidad Carlos III de Madri

Representación de la violencia en nuestro tiempo. Bajo el prisma de la retórica visual

Actas del Primer Congreso Internacional sobre Imagen, Cultura y Tecnología celebrado del 3 al 5 de septiembre de 2008 en la Universidad Carlos III de Madri

User's web page aesthetics opinion: a matter of low-level image descriptors based on MPEG-7

Analyzing a user's first impression of a Web site is essential for interface designers, as it is tightly related to their overall opinion of a site. In fact, this early evaluation affects user navigation behavior. Perceived usability and user interest (e.g., revisiting and recommending the site) are parameters influenced by first opinions. Thus, predicting the latter when creating a Web site is vital to ensure users’ acceptance. In this regard, Web aesthetics is one of the most influential factors in this early perception. We propose the use of low-level image parameters for modeling Web aesthetics in an objective manner, which is an innovative research field. Our model, obtained by applying a stepwise multiple regression algorithm, infers a user's first impression by analyzing three different visual characteristics of Web site screenshots—texture, luminance, and color—which are directly derived from MPEG-7 descriptors. The results obtained over three wide Web site datasets (composed by 415, 42, and 6 Web sites, respectively) reveal a high correlation between low-level parameters and the users’ evaluation, thus allowing a more precise and objective prediction of users’ opinion than previous models that are based on other image characteristics with fewer predictors. Therefore, our model is meant to support a rapid assessment of Web sites in early stages of the design process to maximize the likelihood of the users’ final approval

Satisfacción del paciente ambulatorio con su relación médico paciente en el hospital oncológico del Instituto Salvadoreño del Seguro Social : La perspectiva del paciente.

El cáncer es una enfermedad crónica degenerativa y causa principal de morbilidad y mortalidad conocida a nivel mundial y nacional. Anualmente, según datos de la OMS, se diagnostican 10, 000,000 de nuevos casos de cáncer en el mundo, con una distribución de 44.6% en países desarrollados y 55.4% en países en desarrollo. En El Salvador se cuentan tan solo con estadísticas institucionales, de este modo identificamos que, según datos revelados por el departamento de estadística del ISSS, en el año 2001 se diagnosticaron 1,130 nuevos casos de cáncer en cualquiera de sus variables,con un promedio de 1 114 casos durante los últimos 5 años