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El artículo se centra en las fotografías que publican los diarios digitales españoles (2017-2021) sobre Inteligencia Artificial (IA), con especial atención a las diferencias de género y al papel de las mujeres. La muestra final es de 6.466 imágenes. Como resultado, cabe destacar la infrarrepresentación de las mujeres, que constituye en sí misma una realimentación de la segregación de género que existe actualmente en este sector. Desde el punto de vista cualitativo, las imágenes que fomentan los estereotipos de género se asocian a tres conceptos claves: la división sexual del trabajo, presente en el diseño de la robótica y la IA; la cosificación sexual de las mujeres, al asociar una imagen de feminidad a los robots sexuales; además de la infrarrepresentación de las mujeres y su falta de protagonismo en los avances científicos de los que se informa.

ABSTRACTThe uric acid (UA) induced damage influences human health and deserves attention. The purpose of this study was to investigate the protective effects of Skipjack trypsin hydrolysate (STH) and its Maillard product (STH-M) and the segmentation of STH-M (STH-M-S) against UA-induced HK-2 cells. The CCK8 assay was used to detect cell viability and flow cytometry was performed to check cell apoptosis and cell cycle and the functional mechanism was analyzed via transcriptome. The results showed STH-M-S could significantly improve the cell viability and inhibit cell apoptosis. Meanwhile, STH-M-S could influence the membrane and protein binding and regulate metabolic-related and immune-related pathways to deal with UA stress. Functional genes contained NEBL, KCNJ16, ABCA12, CLDN2, FLRT3, PRODH, KLHL14, VEPH1, HPGD (down regulated) and FOXL1, SCG5 (up regulated). Collectively, our results suggested that STH-M-S can alleviate cell injury induced by UA. STH-M-S could be an alternative to be applied for the treatment of hyperuricemia.

ABSTRACTFritillariae Cirrhosae Bulbus (FCB) is a Chinese medicine that has been used to treat lung diseases for thousands of years. This study aimed to investigate the protective effect and mechanism of four alkaloids (peimisine, ebeiedinone, imperialine and chuanbeinone) from FCB on cigarette smoke extract (CSE)-induced oxidative injury in A549 cells. The results showed that the four alkaloids could increase the levels of glutathione/oxidized glutathione (GSH/GSSG), superoxide dismutase (SOD) and heme oxygenase 1 (HO-1), decrease the levels of malondialdehyde (MDA) and reactive oxygen species (ROS), thereby alleviating oxidative injury in CSE-induced A549 cells. Furthermore, after treated with four alkaloids, the mRNA expression of HO-1, NQO-1, Nrf2 and SIRT1 were increased, while MST1 and FOXO3 were decreased in CSE-induced A549 cells, which was consistent with the results of western blotting. These results suggest that the mechanism of the four alkaloids may be related to the regulation of Nrf2/Keap1 and SIRT1/FOXO3a signaling pathways.

ABSTRACT This study used a spectral index method and an artificial intelligence algorithm to quantitatively analyze rice canopy soil and plant analyzer development (SPAD) based on ground nonimaging spectral data and UAV hyperspectral images to build a high-precision SPAD prediction model for nondestructive monitoring of the chlorophyll relative content of rice in cold regions. First, this study First, this study selected characteristic bands sensitive to SPAD using uninformative variable elimination and the successive projections algorithm. Then, the correlation between commonly used vegetation indices and SPAD was analyzed. Finally, this study constructed a back propagation neural network (BPNN) model, BPNN with particle swarm optimization (PSO-BPNN) model, and BPNN with genetic algorithm optimization (GA-BPNN) model, and then verified the reliability of these models. According to the results, GA-BPNN had the best predictive effect. The coefficient of the determination reached 0.818, and the root mean square error was 0.847. GA-BPNN model combined with UAV hyperspectral images were used for inversion mapping; the predicted range of SPAD was 33.1–41.2, which is in good agreement with the measured value (32.7–40.6). The inversion of regional rice canopy SPAD by nonimaging spectral data and UAV hyperspectral images had high credibility, which provided technical support for the scientific management of rice in a cold region.

El presente artículo está dedicado a estudiar la percepción y la realización del enlace fonético del español por los estudiantes sinohablantes. Para ello, se realiza un estudio contrastivo sobre este fenómeno entre español y chino, con el fin de comparar los rasgos fónicos relacionados con el enlace en ambas lenguas. Asimismo, se lleva a cabo un experimento relativo, compuesto por una prueba de dictado y una prueba de lectura en voz alta, con 40 estudiantes sinohablantes del nivel B2 y C1 que aprendieron o aprenden español en universidades chinas. A través del análisis estadístico de los errores relativos al enlace cometidos en el dictado y los enlaces realizados en la lectura en voz alta, se propone explorar la posible influencia del enlace en la discriminación léxica, la posible pronunciación del español con resilabación de los segmentos consonánticos y vocálicos que están en posiciones inicial y final de dos palabras sucesivas por estudiantes de este perfil, así como la relación entre la percepción y la realización del enlace.

Latin America is the natural extension of the “Maritime Silk Road” and its exchanges and cooperation with China have become increasingly frequent in recent years. Under the current globale conomic backdrop, e-commerce as an emerging industry is gaining momentum and playing a bigger role in international cooperation. The Belt and Road top-level design features policy coordination, unimpededtrade, facilities connectivity and people-to-people bond respectively, which play a guiding role in China-LAC cooperation. Coupled with the status quo, the paper will mainly focus on these four sections so as to better analyze the China-LAC cooperation in Silk-Road E-commerce. This paper intends to analyze China-LAC e-commerce cooperation in fields of policy, trade, facilities, and people-to-people contact and study in which areas still remain room for bilateral cooperation and how can both sides better achieve win-win results under the framework of China’s “Belt and Road Initiative”.

Este artículo tiene por objetivo analizar la cooperación en salud entre China y Argentina ante la crisis sanitaria de la COVID-19 desde la perspectiva de la gobernanza multinivel. Se ha demostrado que los actores estatales y subestatales desempeñaron un papel dominante en la primera etapa cooperativa, mientras que los actores no estatales empezaron a jugar un rol cada vez más activo y significativo en la segunda etapa. Mediante la cooperación sanitaria entre ambas naciones, Argentina ha logrado superar algunos desafíos traídos por la pandemia y ha mejorado la capacidad de gobernanza en salud frente al coronavirus. Para encarar la segunda ola de epidemia, existe la necesidad de profundizar la cooperación sanitaria entre los dos países a múltiples niveles.

Polyphenol oxidase (PPO) is responsible for the enzymatic browning of fruits and vegetables, and thus has negative effects on the quality of food. In this study, extraction and purification of PPO from water yam was performed successfully, and the characteristics of PPO and inhibitors of enzyme activity were analysed. The results showed that PPO activity improved by 4.58-fold through the DEAE-Sepharose and Superdex G-75 purification technique, which reached electrophoretic purity. The enzyme molecular weight was estimated to be 32 kDa. The optimum pH and temperature values of PPO were 6.0 and 35°C, respectively, and it was not thermostable at higher temperatures. PPO had the highest substrate affinity towards catechol (Km = 27.82 mmol/L and Vmax = 1.464 △A/min). The most effective inhibitor was L-cysteine followed by ascorbic acid and sodium sulfite.

According to the United Nations (UN), about 70% of the world’s population projected to live in urban areas by 2050. Therefore, cities are experiencing an enormous urban transition the world has ever seen, accounting for 80% of global carbon dioxide emissions, consuming over two-thirds of the world’s energy, and producing 1.3 billion tons of waste per year. Leaders, governments, architects, urban designers, developers, planners and business leaders need to make decisions and find solutions for how billions of urbanites will live in the future. Therefore, future cities will require new design principles to face their urban challenges and problems such as pollution, poverty, poor environment, land use management, green-house gas emissions and socio-economic and environmental risks. In this context, the case study area of this paper will be El Raval district, which is in a medieval quarter of Barcelona. This area considered as one of the oldest and a significant part of the city that contains many heritage buildings and unique traditional urban context going back to hundreds of years. The district has an influx of immigrants, which has transformed its label from an industrial neighbourhood into a residential one and low rents that have attracted many people of low income, making it a vibrant and multicultural community. Therefore, the main aim of this paper is to address the implementation of innovative solutions, advanced technologies, ICT and IoT that might enhance people participation in the urban design processes and respond to urban futures challenges. The result of this research will lead to creating a platform to resolve the conflicting values of architectural heritage and smart cities principles, sourcing new sustainable technologies and the integration of the smart infrastructure systems.DOI: https://doi.org/10.20365/disegnarecon.23.2019.14

In the wake of the COVID-19 pandemic, we have been adapting as fugitives of this accidental encounter with an “untouchable” virus, while being rendered into the shared virtual arena, where our discursive bodies are situated within, embedded in and tele-commuted to. Our increasing dependence on online interaction and video conferencing during the pandemic is not only facilitating social connectedness, but also contemplating the question: How to elongate our somatosensation and echo the embodied experience of touching through the incorporeal virtual connectivity? This essay focuses on the embodied nature of tele-synaesthesia performance, its potential effect of forging a rhythmic connection from one sensuous modality to another, and the concurrent emergences of glitch and internet latency as non-verbal cues of internet-situated communication. In reference to Laura Mark’s theory of haptic visuality, where vision triggers a tactile experience in the body; Naomi Bennett’s concept of virtual touch, in which an affective sensory response of touch can be elicited through non-tactile senses, Paul Sermon’s artistic production of Telematic Quarantine (2020) and Pandemic Encounter (2020), that telepresents the stories of self (isolation), and in relation to Michel Foucault’s concept Heterotopia in the context of internet-situated performance, I examine the performance work I have been developing during lockdown since March 2020: The Best Facial (2021), supported by Centre for Digital Media Cultures Research and School of Art Postgraduate Research at University of Brighton, a number of sessions of 25-minute 1-to-1 participatory tele-synaesthesia performances that take place on Zoom, where I become a virtual aesthetician and use telepresence to perform meditative virtual facial tactics, and to make tele-contact improvisation upon the surface of the participant’s face to trigger tactile experiences through haptic visuality, virtual touching, and auditory fantasization.