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Synthesis of Xenes: physical and chemical methods.
Chem Soc Rev
January 2025
Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic.
Since the debut of silicene in the experimental stage more than a decade ago, the family of two-dimensional elementary layers beyond graphene, called Xenes or transgraphenes, has rapidly expanded to include elements from groups II to VI of the periodic table. This expansion has opened pathways for the engineering of elementary monolayers that are inherently different from their bulk counterparts in terms of fundamental physical properties. Common guidelines for synthesizing Xenes can be categorized into well-defined methodological approaches.
View Article and Find Full Text PDFBillion-Scale Expansion of Functional hiPSC-Derived Cardiomyocytes in Bioreactors Through Oxygen Control and Continuous Wnt Activation.
Adv Sci (Weinh)
January 2025
iBET, Instituto de Biologia Experimental e Tecnológica, Apartado 12, Oeiras, 2780901, Portugal.
Generation of upscaled quantities of human-induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CM), for therapeutic or testing applications, is both expensive and time-consuming. Herein, a scalable bioprocess for hiPSC-CM expansion in stirred-tank bioreactors (STB) is developed. By combining the continuous activation of the Wnt pathway, through perfusion of CHIR99021, within a mild hypoxia environment, the expansion of hiPSC-CM as aggregates is maximized, reaching 4 billion of pure hiPSC-CM in 2L STB.
View Article and Find Full Text PDFExploring Moiré Superlattices and Memristive Switching in Non-van der Waals Twisted Bilayer BiOSe.
ACS Appl Mater Interfaces
January 2025
Department of Physics, Indian Institute of Technology Guwahati, Guwahati 781039, India.
The discovery of moiré physics in two-dimensional (2D) materials has opened new avenues for exploring unique physical and chemical properties induced by intralayer/interlayer interactions. This study reports the experimental observation of moiré patterns in 2D bismuth oxyselenide (BiOSe) nanosheets grown through one-pot chemical reaction methods and a sonication-assisted layer separations technique. Our findings demonstrate that these moiré patterns result from the angular stacking of the nanosheets at various twist angles, leading to the formation of moiré superlattices (MSLs) with distinct periodicities.
View Article and Find Full Text PDFBifunctional lignin-based hydrogel membrane with enhanced structural stability for synergistic uranium uptake.
J Colloid Interface Sci
January 2025
College of Chemistry and Materials Engineering, Zhejiang A&F University, No. 666 Wusu Street, Hangzhou 311300 PR China. Electronic address:
Developing biomass-based adsorbents with superior uranium uptake performance is imperative yet challenging for the sustainable development of nuclear energy. Herein, we constructed a novel lignin-based adsorbent (DLP@PAO) with dual functional groups and enhanced structural stability via ingenious integration of lignin and polyamidoxime. The two-step modification strategy was innovatively employed to phosphorylate lignin, significantly enhancing the phosphorylation efficiency and achieving an over eight-fold increase in the U(VI) uptake capacity of lignin.
View Article and Find Full Text PDFOptogenetics in medicine: innovations and therapeutic applications.
Curr Opin Biotechnol
January 2025
Shanghai Frontiers Science Center of Genome Editing and Cell Therapy, Biomedical Synthetic Biology Research Center, Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai 200241, China; Wuhu Hospital, Health Science Center, East China Normal University, Wuhu 241001, China; Shanghai Academy of Natural Sciences, East China Normal University, Shanghai, China. Electronic address:
Optogenetics, an innovative approach integrating photonics and genetic engineering, enables precise control over molecular and cellular processes, opening up exciting new opportunities for precision-guided medicine. In this review, we highlight recent advances in optogenetic tools and their applications across a range of medical conditions, including vision restoration in retinitis pigmentosa via light-activated ion channels, precise immune response modulation in cancer immunotherapy, and blood glucose management in diabetes through controllable drug release. Optogenetics also plays a critical role in bioelectronic medicine, enabling seamless communication between electronic systems and biological tissues to enhance therapeutic precision.
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