Acoustic methods for Gelidium seaweed detection

Se han realizado mediciones del coeficiente de reflexión y absorción de una capa espesa de algas de Gelidium sesquipedale (Clem. Born. et Thur.), sobre un fondo de arena, dispuesto en un tanque de experiencias hidroacústicas. Como resultado de la reducida sección transversal acústica de cada brote del alga, y de su alto contenido de agua, su impedancia acústica tiene un valor muy próximo a la impedancia acústica del agua marina y, en consecuencia, el nivel de blanco de cada brote es muy débil. El rango de frecuencias utilizado parte de 100 kHz, alcanzando 500 kHz. El valor promedio del nivel de difusión de fondo de la capa de alga de Gelidium encontrado varía entre -26 dB y -34 dB en el rango de frecuencias utilizado.The reflection and absorption coefficients of a thick layer of Gelidium sesquipedale (Clem. Born. et Thur.) seaweed covering a sandy bottom were determined in a laboratory tank. As a result of the reduced vertical cross-section and the high water content of this seaweed, its acoustical impedance is very similar to water impedance, and the target strength of each individual seaweed frond is very weak. The usual frequency range for detection of marine life, 100-500 kHz, has been used. The average value of the bottom scattering strength was found to be between -26 dB and -34 dB in the frequency band used.Instituto Español de Oceanografí

Emerging Ionic Soft Materials based on Deep Eutectic Solvents

PostprintIn the last five years, the use of deep eutectic solvents (DES) have been opening new perspectives towards the creation of novel ionic soft materials as alternatives to expensive ionic liquids. This Mini-Review highlights the progress and advances in soft ionic materials or gels, mostly composed by a DES immobilized within difference matrices, such as linear polymers, polymer networks, biopolymers, supramolecular compounds or organosilane networks. By taking advantage of the DES characteristics and properties in the solid state, this building system delivers a variety of tailor-made materials showing different functionalities (ionic conductivity, self-healing, stretchability and pH-responsiveness) and offers a way to circumvent drawbacks related to shaping and risk of leakage in many technological applications. In this context, we provide a judicious analysis of these emerging ionic soft materials, their properties and applications open in energy, (bio)electronics, drug delivery, analytical chemistry, and wastewater treatment. Perspectives and opportunities for future research directions on this blossoming field are also discussed.Liliana C. Tomé has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement no. 745734. This work was supported by Marie Sklodowska-Curie Research and Innovation Staff Exchanges (RISE) project under the grant agreement No 823989 “IONBIKE”

Proteomic and phosphoproteomic study of the macrophage response to candida albicans using silac and simac

Comunicaciones a congreso

The primitive model of ionic fluids near its critical point in the Poisson–Boltzmann and modified Poisson–Boltzmann theories

The Poisson–Boltzmann (PB) and modified Poisson–Boltzmann (MPB) theories are used to investigate the primitive model of ionic fluids in the low density–large coupling regime where the liquid–vapor transition is situated. The PB and MPB spinodal curves for the restricted primitive model are calculated from the virial route and compared with those from the mean spherical approximation (energy route) and the hybrid hypernetted‐chain/mean spherical approximation (virial route). The effect of unequal ion sizes on the critical point and spinodal curves is also considered.National Sanitation Foundation (NSF) EE.UU. CHE-8907130Fondo Institucional para la Investigación (FIPI) de la Universidad de Puerto RicoComunidad Europea (beca Marie Curie)Dirección General de Investigación Científica y Técnica (DGICYT). España PBgl / 060

Expresión diferencial de proteínas del citoesqueleto del macrófago tras la interacción con Candida albicans: Problemas en la normalización de las muestras

Comunicaciones a congreso

Regulation and Ethics of Transcranial Electrical Stimulation: A General View

Transcranial application of low-intensity electrical stimuli is a non-invasive brain stimulation procedure, which allows one to alter the excitability of cortical cells in both humans and animals. There is a broad consensus regarding the safety of this approach in humans, and different versions and protocols of this technique have been used in basic research and clinical studies for years. In this review, we aim to provide updated information on regulatory and ethical issues concerning the use of different versions of transcranial electrical stimulation (tES). This information may be critical due to its implications on the welfare and health of patients. Although tES is a safe and effective method with potential clinical and research utilities, the legal regulation criteria concerning the use different versions of tES are of critical relevance due to implications of brain stimulation for human health and well-being. Recent publications that review and describe all regulatory and safety aspects regarding the use of tES offer a practical vision about the most up-to-date information in this field and more relevant ethical implications.Departamento de Psicología Evolutiva y de la Educació

Los carnívoros del yacimiento pleistoceno de Cueva del Búho (Segovia, España) y sus huellas de actividad

This paper deals with the carnivores from Cueva del Búho (Segovia, Spain) identifying five species (Croeuta eroeuta spelaea, Meles meles, Canis lupus, Vulpes vulpes and, Lynx spelaea). Living traces of hyena are decribed: coprolites, bone surface modifications and body parts representation. It is deduced that this site has been originated in a den of Croeuta croeuta spelaea.Este trabajo estudia los carnívoros de Cueva del Búho (Segovia, España) identificando cinco especies (Croeuta croeuta spelaea, Meles meles, Canis lupus, Vulpes vulpes y Lynx spelaea). Se describen huellas de actividad de hiena: coprolitos, marcas en la superficie de huesos y representación de las distintas partes del esqueleto. Se deduce que el yacimiento se ha originado en una madriguera de Crocuta croeuta spelaea

Screening for the efficacy on lipid accumulation in 3T3-L1 cells is an effective tool for the identification of new anti-diabetic compounds

Reducing lipid accumulation in insulin target tissues is critical for the treatment of type 2 diabetes. This study aimed to develop a biochemical assay in cells for high throughput (HTP) screening of anti-diabetic drugs by reducing lipid accumulation via different mechanisms

An evaluation on the clinical outcome prediction of rotor detection in non-invasive phase maps

[EN] Phase maps obtained from Electrocardiographic imaging (ECGI) have been used in the past for rotor identification and ablation guidance in atrial fibrillation (AF). In this study, we propose a new rotor detection algorithm and evaluate its potential use for prediction of pulmonary vein isolation (PVI) success. The mean precision and recall of the algorithm were evaluated by using manually annotated ECGI phase maps and resulted in 0.82 and 0.75, respectively. Phase singularities and rotors were then quantified on ECGI signals from 29 patients prior to PVI. A significantly higher concentration of phase singularities (PSs) in the pulmonary veins in patients with a successful PVI was found. Our results suggest that rotorrelated metrics obtained from ECGI derived phase maps contain relevant information to predict clinical outcome in PVI patients.This work was supported by PersonalizeAF project. This project has received funding from the European Union's Horizon 2020 research and innovation program under the Marie Skodowska-Curie grant agreement No 860974.Fambuena-Santos, C.; Hernández-Romero, I.; Molero-Alabau, R.; Climent, AM.; Guillem Sánchez, MS. (2021). An evaluation on the clinical outcome prediction of rotor detection in non-invasive phase maps. 1-4. https://doi.org/10.22489/CinC.2021.2511