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No full textCollection method=manual; Geological unit= Volcán Tres Cruces fall depositConsejería de Universidades, Ciencia e Innovación y Cultura, Gobierno de Canarias ProID2024010012.NoGEO3BCN, CSIC, Barcelona, SpainLapilli tephr
Unfolding the Literature: A Review of Robotic Cloth Manipulation
No full textThe realm of textiles spans clothing, households, healthcare, sports, and industrial applications. The deformable nature of these objects poses unique challenges that prior work on rigid objects cannot fully address. The increasing interest within the community in textile perception and manipulation has led to new methods that aim to address challenges in modeling, perception, and control, resulting in significant progress. However, this progress is often tailored to one specific textile or a subcategory of these textiles. To understand what restricts these methods and hinders current approaches from generalizing to a broader range of real-world textiles, this review provides an overview of the field, focusing specifically on how and to what extent textile variations are addressed in modeling, perception, benchmarking, and manipulation of textiles. We conclude by identifying key open problems and outlining grand challenges that will drive future advancements in the field.This work was supported by the European Research Council (ERC-BIRD); the European Union’s
Horizon Europe program through projects SoftEnable (HORIZON-CL4-2021-DIGITALEMERGING-01-101070600) and IRE (HORIZON-CL4-2023-DIGITAL-EMERGING-01-
101135082); the Swedish Research Council, the Knut and Alice Wallenberg Foundation, and the
National Science Foundation under NSF CAREER grant IIS-2046491; and the project ROBIN PLEC2021-007859 funded by MCIN/AEI/10.13039/501100011033 and by European Union
NextGenerationEU/PRTR.Peer reviewe
Biofilm-associated proteins: from the gut biofilms to neurodegeneration
No full textHuman microbiota form a biofilm with substantial consequences for health and disease. Numerous studies have indicated that microbial communities produce functional amyloids as part of their biofilm extracellular scaffolds. The overlooked interplay between bacterial amyloids and the host may have detrimental consequences for the host, including neurodegeneration. This work gives an overview of the biofilm-associated amyloids expressed by the gut microbiota and their potential role in neurodegeneration. It discusses the biofilm-associated proteins (BAPs) of the gut microbiota, maps the amyloidogenic domains of these proteins, and analyzes the presence of bap genes within accessory genomes linked with transposable elements. Furthermore, the evidence supporting the existence of amyloids in the gut are presented. Finally, it explores the potential interactions between BAPs and α-synuclein, extending the literature on amyloid cross-kingdom interactions. Based on these findings, this study propose that BAP amyloids act as transmissible catalysts, facilitating the misfolding, accumulation, and spread of α-synuclein aggregates. This review contributes to the understanding of complex interactions among the microbiota, transmissible elements, and host, which is crucial for developing novel therapeutic approaches to combat microbiota-related diseases and improve overall health outcomes.The work was supported by the Ministerio de Ciencia e Innovación. [PID2021-124248OB-I00]Peer reviewe
Isolation of a Novel Bioactive Fraction from Saffron (Crocus sativus L.) Leaf Waste: Optimized Extraction and Evaluation of Its Promising Antiproliferative and Chemoprotective Effects as a Plant-Based Antitumor Agent
No full text15 Páginas.-- 4 Figuras.-- 2 TablasSaffron spice is obtained from the flower’s stigmas through a labor-intensive process. However, other organs (particularly the leaves and tepals) are often regarded as waste. To investigate the health benefits of saffron leaf by-products, an optimized methodology was developed to obtain a phenol-enriched fraction. The main components of this fraction were identified by HPLC-DAD/ESI-MS and the antiproliferative and metal-chelating effects on colon cancer cells (Caco-2) and Fe2+ and Cu2+ ions, respectively, were evaluated. The process involved the extraction of saffron leaves with a 70% hydroalcoholic solution, followed by purification using liquid chromatography. Chemical characterization revealed the presence of several phenolic compounds, including flavonoids (kaempferol, luteolin and quercetin glycosides) as major constituents; whereas, in vitro assays revealed a strong dose-dependent inhibition of cell proliferation. Likewise, the sample exhibited significant iron- and copper-chelating activity, suggesting its potential as a natural chelator to help mitigate the carcinogenic effects of metal accumulation in humans. In summary, this study underscores the potential of the saffron leaf fraction as a promising natural and complementary chemoprotective agent in colorectal cancer. Additionally, these results underscore the value of agricultural by-products, supporting a circular bioeconomy by reducing environmental impact and promoting the sustainable use of natural resources.This research was internally funded by the Regional Institute of Agri-Food and Forestry Research and Development of Castilla-La Mancha (IRIAF).Peer reviewe
Parque eólico marino «Roleira», con una potencia de 594 MW, y sus infraestructuras de evacuación, en la provincia de Pontevedra
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Citizens’ Observatory on Rockfalls in the Canary Islands, Spain
Get PDF[EN] After floods, landslides are the most damaging geohazard in Spain regarding economic losses. In the Canary Islands, rockfalls and landslides are mainly triggered by meteorological phenomena, such as severe precipitations and wind, as well as dilation resulting from solar radiation. Understanding information such as location, frequency, event type, rock type, block size, rainfall or wind intensity contributes to a better understanding of the process, which is critical for performing hazard analyses to improve territory management and risk reduction. The Citizens’ Observatory on Rockfalls in the Canary Islands constitutes a tool that promotes citizen participation and seeks to empower society through citizens’ training, oriented towards reporting mass movements that have occurred in the regions where they live. Several data sources were handled in order to feed the Observatory with rockfall data and update the available mass movements inventories and contributing to complete the existing national database BDMOVES with mass movements data at regional scale. A wide range of communication actions were carried out. Citizen science is an excellent tool to obtain updated data to characterise the process in detail and thus estimate the hazard more accurately and improve the phases of prevention and mitigation.This work has been undertaken in the framework of the INTERREG Atlantic Area AGEO Project (EAPA_884/2018 – AGEO).Peer reviewe
Artificial precursor for alkaline cements
No full textOne of the main challenges for the future development of alkaline cements is the availability of precursors. Traditional precursors (such as coal FA and the BFS) have some limitations concerning quality and quantity (the long term supply is not guaranteed). The progressive closure of coal-fired power plants and changes in steel production in many countries exacerbate the problem. The present work addresses the challenge of fabricating an artificial precursor (via thermal treatment) with a chemical composition similar to a type- C fly ash (∼20 % CaO and SiO2/CaO≈ 3 and SiO2/Al2O3 ≈ 3). Three temperatures of synthesis were tested: 1000 °C, 1100 °C and 1250 °C. The precursors obtained after thermal treatment of a mixture of chemicals were activated with a 8 M NaOH solution. The temperature of synthesis obviously affected the degree of vitrification. Nevertheless, it can be said that partially amorphous/vitreous precursors, were produced at 1000 °C, developing good mechanical performance. In all cases, compressive strengths above 20 MPa were obtained, after 1 day curing. In cements made with precursors synthesized at 1000 and 1100 °C (amorphous content <70 %), a (N,C)-A-S-H type gel was formed, as the main product of hydration. However, in those cements made with precursors synthesized at 1250 °C (amorphous content ≥99 %), a mixture of (N)–C-A-S-H and (N,C)-A-S-H gels were observed after the hydration process.This works has been funded by the Spanish Research Agency (AEI), the Spanish Ministry of Science and Innovation and the ERDF (research projects (PID2019-11464RB-100//AEI/10.13039/501100011033, PID2022-138637OB-C31/AEI/10.13039/501100011033/FEDER, UE)), "JIN Projects 2021 PID2020-116738RJ-I00//AEI/10.13039/501100011033. RYC Excellence Contract (RYC2021-032620-I, MCIN/AEI/10.13039/50110001033. The award of the FPI pre-doctoral grant (PRE2020-091909) is also acknowledged. This work has been carried out in the facilities of Instituto Eduardo Torroja de Ciencias de la Construcción (IETcc-CSIC) and the Universidad Carlos III de Madrid (UC3M).Peer reviewe
Formation of micropillars on etched calcite and their biomimetic effect on wettability: Implications for built heritage protection
No full text[EN] We demonstrate the possibility of biomimetically altering the wettability of calcite (CaCO3) surfaces by the
formation of micropillars through anisotropic dissolution with ammonium chloride (NH4Cl) solutions. In situ
atomic force microscopy (AFM) analysis of the dissolution of (104) calcite faces shows that the ammonium salt
solution induces the nucleation of multiple distorted rhombohedral etch pits (with rounded obtuse steps due to
interaction with ammonium ions) that deepen and spread at slower rates than in water. Their coalescence results in dense arrays of c-axis oriented pyramidal micropillars (~15–30 μm height; ~3–7 μm width at their base) with {102} polar faces stabilized by interaction with ammonium ions. This etching mechanism for micropillar formation is consistent with the computer simulated dissolution process. Micropillar formation on (104)calcite increases the water contact angle from ~ 60◦ to ~ 140◦, a value consistent with simulations using the Cassie-Baxter model. These results demonstrate that the treated calcite surfaces achieve near superhydrophobicity. This simple etching strategy has great potential as an effective biomimetic surface treatment to improve the weathering resistance of carbonate stones, such as limestone and marble, and other carbonate-rich materials used in statuary and the built heritage, as well as in modern construction.This work has been funded by EU Marie Curie Actions, ITN, SUBLime (grant No. 955986), the Spanish Government (grant PID2021-125305NB-I00 and PID2023-149367NA-I00, funded by MCIN/AEI/10.13039/501100011033 and by ERDF “A way of making Europe”), Junta de Andalucía (research group RNM-179 and grant P20_00675) and University of Granada (Unidad Científica de Excelencia UCE-PP2016-05). This research was performed as part of the inter-institutional collaboration agreement “Patrimonio Cultural Árabe e Islámico (PACAI), UGR, Unidad Asociada al CSIC por la EEA-ILC (2024-2027)”. K.E. is a postdoctoral Ramón y Cajal Research Fellow financed by MCIN/AEI/10.13039/501100011033 and FSE RYC2022-037633-I.Peer reviewe
Small-size and short-lived Taifas: Gharb al-Andalus
No full textThis chapter is part of the results of the contract RYC2022-037715-I, funded by MCIU/AEI/10.13039/501100011033 and FSE+Peer reviewe
Artemia tunisiana Bowen & Sterling, 1978 (Anostraca: Artemiina: Artemiidae) is a nomen dubium
No full textThe correct type species for the genus Artemia Leach, 1819 is Cancer salinus Linnaeus, 1758. The putative replacement nomen A. tunisiana Bowen & Sterling, 1978 has been acknowledged as a nomen dubium for more than 30 years; however, some recent literature has been using this name without any taxonomic justification. We review the history of these names and emphasise that the correct name for all native bisexual Artemia populations lacking a basolateral gonopodal spiniform projection in Europe and Africa, particularly around the Mediterranean Basin, is Artemia salina (Linneaus, 1758).Peer reviewe