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Gallium: A Universal Promoter Switching CO Methanation Catalysts to Produce Methanol.
JACS Au
January 2025
Department of Chemistry and Applied Biosciences, ETH Zürich, CH-8093 Zurich, Switzerland.
Hydrogenation of CO to methanol is foreseen as a key step to close the carbon cycle. In this study, we show that introducing Ga into silica-supported nanoparticles based on group 8-9 transition noble metals (M = Ru, Os, Rh, and Ir - Ga@SiO) switches their reactivity from producing mostly methane (sel. > 97%) to producing methanol (>50% CHOH/DME sel.
View Article and Find Full Text PDFOn the breakdown of Förster energy transfer theory due to solvent effects: atomistic simulations unveil distance-dependent dielectric screening in calmodulin.
Chem Sci
January 2025
Departament de Farmàcia i Tecnologia Farmacèutica, i Fisicoquímica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona (UB) Barcelona Spain
Förster resonance energy transfer (FRET) is a powerful technique used to investigate the conformational preferences of biosystems, and molecular simulations have emerged as an ideal complement to FRET due to their ability to provide structural models that can be compared with experiments. This synergy is however hampered by the approximations underlying Förster theory regarding the electronic coupling between the participating dyes: a dipole-dipole term attenuated by a simple dielectric screening factor 1/ that depends on the refractive index of the medium. Whereas the limits of the dipole approximation are well-known, detailed insights on how environment effects deviate from the 1/ assumption and modify the distance dependence that characterizes FRET as a spectroscopic ruler are still not well understood, especially in biosystems characterized by significant structural disorder.
View Article and Find Full Text PDFShifting Trend of Protein Consumption in Southeast Asia: Toward Health, Innovation, and Sustainability.
Curr Dev Nutr
October 2024
Clinical Nutrition Research Centre (CNRC), Singapore Institute of Food and Biotechnology Innovation (SIFBI), Agency for Science, Technology and Research (A∗STAR), Singapore, Singapore.
Complementing discourse following a February 2023 event on dietary protein needs in Southeast Asia (SEA), this symposium report summarizes the region's protein intake, while simultaneously examining the impact of dietary shift toward complementary and alternative proteins and their health implications. It highlights the importance of protein quality in dietary evaluations, optimal intake, and sustainability, advocating for environmentally conscious protein production and innovation in future foods. Discussion points, expert opinions, national nutrition data, and relevant literature, addressing protein intake and quality, their impact on human health, and various technologies for future foods production, have been included.
View Article and Find Full Text PDFThe Effect of Intravascular Imaging-Guided Percutaneous Coronary Intervention on Coronary Artery Perforation.
JACC Asia
January 2025
Department of Cardiovascular Medicine, Kurashiki Central Hospital, Kurashiki, Japan.
Background: Intravascular imaging (IVI) complements coronary angiography and may help prevent coronary artery perforation (CAP) during percutaneous coronary intervention (PCI).
Objectives: The authors evaluated whether IVI-guided PCI is associated with a lower risk of PCI-related CAP in a real-world cohort.
Methods: This observational study analyzed consecutive PCI procedures from January 2006 to October 2023.
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