Interfacial Engineering of a NaGdF4@NaYF4Nd3+-Reinforced PVAChitosan Janus Hydrogel for Osteosarcoma and Osseointegration via the Entrapment of Strontium in Bisphosphonates来源：ACS PublicationsPostoperative impacts after osteosarcoma excision such as tumor recurrence and critical-sized bone defects continue to pose significant therapeutic challenges. Conventional implants employed to treat these defects often pose negligence in eliminating the residual tumor cells. The current study aims to address these constraints through the development of a multifunctional Janus hydrogel. An alendronate stro...
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2025
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来源：ACS PublicationsThis study investigates single-crystal structures of Lu3+/erythritol and nine rare earth–glycerol complexes, revealing deprotonation of normally inert OH groups via μ2-bridging (so-called DIOμ2 phenomenon). The pH drops upon alditol addition correlate with the deprotonation extent, showing increased deprotonation with decreasing lanthanide ionic radius (lanthanide contraction) and exceptionally high deprotonation for Sc3+. In all the rare earth/alditol complexes with the DIOμ2 phenomenon, two μ2-bridges merge into an M2O2 cluster (M is a rare earth ion) that is not very stab...
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2025
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来源：ACS PublicationsFacilitating different chemistries between the rare earth (RE = La–Lu, Sc, Y) ions is of significant interest for their separations. While the bulk of attention has been on maximizing the small differences in their ground state chemistry, interest is beginning to shift toward the differences in their electronic excited states. In this work, we demonstrate modulation of the photostationary state of an azobenzene derivative, Na1, via chelation to a series of REIIIDO3A (DO3A = 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid) complexes. The extent of photoisomerization of 1–...
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2025
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来源：ACS PublicationsRare-earth elements (REEs) are critical to multiple areas in clean energy technology, including magnets, catalysts, as well as lighting and electronic products. With the growing awareness for sustainable mining and recycling, electrochemical approaches have emerged as a promising pathway for the energy-efficient and green recovery of rare-earth elements, including processes for extraction, concentration, purification, and utilization. In this paper, we review electrochemical pathways for the recovery of REEs from mining and unconventional feedstocks, including coal mining by...
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2025
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