Multilayer hazes over Saturn’s hexagon from Cassini ISS limb images

Producción CientíficaVer abstract

Hazes and clouds in a singular triple vortex in Saturn's atmosphere from HST/WFC3 multispectral imaging

Ver abstrac

Adjuvant Effect of Titanium Brushes in Peri-Implant Surgical Treatment: A Systematic Review

Background: the prognosis of peri-implant surgery can be affected by poor decontamination of the implant surface, which could be improved with the use of titanium brushes. The objectives of this systematic review were to evaluate the effectiveness of titanium brushes in the decontamination of the implant surface in terms of plaque index, probing depth, bleeding on probing and bone loss/gain; as well as its effectiveness according to the type of peri-implant bone defect. Methods: an electronic search was carried out in the PubMed, Scopus, Cochrane and Embase databases, as well as a manual search. The search strategy included four keywords: “Peri-implantitis”, “Periimplantitis”, “Implant Surface Decontamination” and “Titanium Brush”. Randomized controlled studies published in the last 10 years were included and systematic reviews, in vitro studies and animal studies were excluded. Results: 142 references were found, from which only four articles met the inclusion criteria. All of the studies included in the present review reported beneficial results in terms of probing depth, gingival index and radiographic bone loss and gain after implant surface decontamination adjuvated by titanium brushes. Conclusions: titanium rotary brushes show improvements in the evolution and prognosis of peri-implant surgery, although more long-term studies are needed to draw more solid conclusionsOdontologí

Diseño del instrumento de ayuda para la toma de decisiones: “alternativas de tratamiento para el cáncer de próstata: ¿qué opción prefiero?”

Purpose: To design a Decision-making Aid within the ‘Benign Prostatic Hyperplasia’ healthcare process modelling of the Andalusian Public Health System (SSPA) for the therapeutic approach of early-stage disease. Methods: The Decision Aid design was conducted in four phases: 1) Explore the receptiveness of professionals in the mainstream of the SSPA Decision Aid “Benign Prostatic Hyperplasia” process; 2) Select a Decision Aid from international experiences; 3) Transcultural adaptation of above selected Decision Aid; 4) Decision Aid Validation in the SSPA. Results: The results of the validation of Decision Aid “Alternative treatment for prostate cancer: What option do I prefer?” have shown that the document is well taken by patients, their design is attractive and the quality of clinical information it contains is high. The instrument meets the concerns of patients (95%), the language is simple and suitable (92%) and summarizes the essential information to make the decision (92%). The Decision Aid offers relevant information that help the patient in the decision making process (lack of decisional confl ict: 88.93), generates a sense of support (92.82), concerning the decision (86.88) and a sense of availability of information (90.51). Conclusion: Patients and professionals agree to recommend the use of Decision Aid. To improve information and enhance the tranquillity of the patient, the Decision Aid facilitates communication doctor patient consultation and the involvement of patients during the decision-making process.Objetivo: Diseñar un Instrumento de Ayuda para la Toma de Decisiones (IATD) en el Proceso Asistencial Integrado ‘Hipertrofia benigna de próstata. Cáncer de próstata’ del Sistema Sanitario Público de Andalucía (SSPA) para el abordaje terapéutico de esta enfermedad en estadio inicial. Método: El diseño del IATD se realizó en cuatro fases: 1) Explorar la receptividad de los profesionales del SSPA sobre la incorporación de IATD en el proceso “Cáncer de próstata”. 2. Seleccionar un IATD entre las experiencias internacionales. 3. Adaptar transculturalmente del IATD seleccionado al entorno del SSPA. 4. Validar el IATD en el SSPA. Resultado: Los resultados de la validación del IATD “Alternativas de tratamiento para el cáncer de próstata: ¿Qué opción prefiero?” han mostrado que el documento es bien cogido por los pacientes, su diseño resulta atractivo y la calidad en la información clínica que contiene es elevada. El Instrumento resuelve las dudas de los pacientes (95%), el lenguaje resulta sencillo y asequible (92%) y resume la información esencial para tomar la decisión (92%). El IATD ofrece información relevante que prepara al paciente para la toma de decisiones (ausencia de conflicto decisional: 88,93), genera sentimiento de apoyo (92,82), seguridad en la decisión (86,88) y sensación de disponibilidad de información (90,51). Conclusiones: Pacientes y profesionales coinciden en recomendar la utilización del Instrumento. Al mejorar la información y aumentar la tranquilidad del paciente, el IATD facilita la comunicación médico-paciente en la consulta y la participación en la toma de decisiones

A complex storm system in Saturn’s north polar atmosphere in 2018

Producción CientíficaSaturn’s convective storms usually fall in two categories. One consists of mid-sized storms ∼2,000 km wide, appearing as irregular bright cloud systems that evolve rapidly, on scales of a few days. The other includes the Great White Spots, planetary-scale giant storms ten times larger than the mid-sized ones, which disturb a full latitude band, enduring several months, and have been observed only seven times since 1876. Here we report a new intermediate type, observed in 2018 in the north polar region. Four large storms with east–west lengths ∼4,000–8,000 km (the first one lasting longer than 200 days) formed sequentially in close latitudes, experiencing mutual encounters and leading to zonal disturbances affecting a full latitude band ∼8,000 km wide, during at least eight months. Dynamical simulations indicate that each storm required energies around ten times larger than mid-sized storms but ∼100 times smaller than those necessary for a Great White Spot. This event occurred at about the same latitude and season as the Great White Spot in 1960, in close correspondence with the cycle of approximately 60 years hypothesized for equatorial Great White Spots.Ministerio de Economía, Industria y Competitividad - Fondo Europeo de Desarrollo Regional (project AYA2015-65041-P)Gobierno Vasco (project IT-366-19

Machine learning methods applied to combined Raman and LIBS spectra: Implications for mineral discrimination in planetary missions

Producción CientíficaThe combined analysis of geological targets by complementary spectroscopic techniques could enhance the characterization of the mineral phases found on Mars. This is indeed the case with the SuperCam instrument onboard the Perseverance rover. In this framework, the present study seeks to evaluate and compare multiple machine learning techniques for the characterization of carbonate minerals based on Raman-LIBS (Laser-Induced Breakdown Spectroscopy) spectroscopic data. To do so, a Ca-Mg prediction curve was created by mixing hydromagnesite and calcite at different concentration ratios. After their characterization by Raman and LIBS spectroscopy, different multivariable machine learning (Gaussian process regression, support vector machines, ensembles of trees, and artificial neural networks) were used to predict the concentration ratio of each sample from their respective datasets. The results obtained by separately analyzing Raman and LIBS data were then compared to those obtained by combining them. By comparing their performance, this work demonstrates that mineral discrimination based on Gaussian and ensemble methods optimized the combine of Raman-LIBS dataset outperformed those ensured by Raman and LIBS data alone. This demonstrated that the fusion of data combination and machine learning is a promising approach to optimize the analysis of spectroscopic data returned from Mars.Agencia Estatal de Investigación, grant (PID2022-142490OB-C32)Ministerio de Economía y Competitividad (MINECO),Grant/Award Number (RDE2018-102600-T

Design a decision-making aid: "alternative treatment for prostate cancer: what option do you prefer?"

Purpose: To design a Decision-making Aid within the ‘Benign Prostatic Hyperplasia’ healthcare process modelling of the Andalusian Public Health System (SSPA) for the therapeutic approach of early-stage disease. Methods: The Decision Aid design was conducted in four phases: 1) Explore the receptiveness of professionals in the mainstream of the SSPA Decision Aid “Benign Prostatic Hyperplasia” process; 2) Select a Decision Aid from international experiences; 3) Transcultural adaptation of above selected Decision Aid; 4) Decision Aid Validation in the SSPA. Results: The results of the validation of Decision Aid “Alternative treatment for prostate cancer: What option do I prefer?” have shown that the document is well taken by patients, their design is attractive and the quality of clinical information it contains is high. The instrument meets the concerns of patients (95%), the language is simple and suitable (92%) and summarizes the essential information to make the decision (92%). The Decision Aid offers relevant information that help the patient in the decision making process (lack of decisional confl ict: 88.93), generates a sense of support (92.82), concerning the decision (86.88) and a sense of availability of information (90.51). Conclusion: Patients and professionals agree to recommend the use of Decision Aid. To improve information and enhance the tranquillity of the patient, the Decision Aid facilitates communication doctor patient consultation and the involvement of patients during the decision-making process

An enduring rapidly moving storm as a guide to Saturn's Equatorial jet's complex structure

This work is licensed under a Creative Commons Attribution 4.0Saturn has an intense and broad eastward equatorial jet with a complex three-dimensional structure mixed with time variability. The equatorial region experiences strong seasonal insolation variations enhanced by ring shadowing, and three of the six known giant planetary-scale storms have developed in it. These factors make Saturn’s equator a natural laboratory to test models of jets in giant planets. Here we report on a bright equatorial atmospheric feature imaged in 2015 that moved steadily at a high speed of 450 ms-1 not measured since 1980–1981 with other equatorial clouds moving within an ample range of velocities. Radiative transfer models show that these motions occur at three altitude levels within the upper haze and clouds. We find that the peak of the jet (latitudes 10ºN to 10º S) suffers intense vertical shears reaching þ2.5 ms-1 km-1, two orders of magnitude higher than meridional shears, and temporal variability above 1 bar altitude level.Peer ReviewedPostprint (published version

A complex storm system in Saturn's north polar atmosphere in 2018

Saturn’s convective storms usually fall in two categories. One consists of mid-sized storms ~2,000¿km wide, appearing as irregular bright cloud systems that evolve rapidly, on scales of a few days. The other includes the Great White Spots, planetary-scale giant storms ten times larger than the mid-sized ones, which disturb a full latitude band, enduring several months, and have been observed only seven times since 1876. Here we report a new intermediate type, observed in 2018 in the north polar region. Four large storms with east–west lengths ~4,000–8,000¿km (the first one lasting longer than 200 days) formed sequentially in close latitudes, experiencing mutual encounters and leading to zonal disturbances affecting a full latitude band ~8,000¿km wide, during at least eight months. Dynamical simulations indicate that each storm required energies around ten times larger than mid-sized storms but ~100 times smaller than those necessary for a Great White Spot. This event occurred at about the same latitude and season as the Great White Spot in 1960, in close correspondence with the cycle of approximately 60 years hypothesized for equatorial Great White Spots.Peer ReviewedPostprint (author's final draft

A planetary-scale disturbance in a long-living three-vortex coupled system in Saturn's atmosphere

The zonal wind profile of Saturn has a singular structure in the latitude range 50ºN-65ºN planetocentric, with a double peak that reaches maximum zonal velocities close to 100ms-1[1]. A survey of Cassini ISS images shows that a system of three vortices formed in this latitudinal region in 2012 and has remained active until present, confirming that vortices in Saturn can be long lived [2]. In May 2015 a disturbance started to develop at the location of the triple vortex. Since at the time Cassini orbits were not favorable to the observation of the region, we were granted Director Discretionary Time of the Hubble Space Telescope to observe the region before the perturbation faded away. Here we report the dynamics and vertical structure of the three-vortex system and of the disturbance that developed at its location, based on HST and Cassini images. We also present results of numerical models to explain the stability of vortices in the region.Peer ReviewedPostprint (published version