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Leveraging Long-Life Alkaline Redox Flow Batteries Using Durable and High-Hydroxide Exchange N-Bridged Triazine Framework Membranes.
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January 2025
Council of Scientific and Industrial Research-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Bhavnagar, Gujarat, 364002, India.
Fluorine-free organic framework polyelectrolyte membranes showing near frictionless ionic conductivities are gaining cognitive insights. However, the co-precipitation of COFs in the membranes often brings trade-offs to commission long-life electrochemical energy storage solutions. Herein, a durable and ionically miscible dual-ion exchange membrane based on triazine organic framework (TOF) is designed for alkaline redox flow batteries (RFB).
View Article and Find Full Text PDFAdaptation responses to salt stress in the gut of .
Anim Cells Syst (Seoul)
January 2025
Department of Biological Sciences and Biotechnology, Chungbuk National University, Cheongju, Republic of Korea.
Osmoregulation is essential for the survival of aquatic organisms, particularly teleost fish facing osmotic challenges in environments characterized by variable salinity. While the gills are known for ion exchange, the intestine's role in water and salt absorption is gaining attention. Here, we investigated the adaptive responses of the intestine to salinity stress in guppies (), observing significant morphological and transcriptomic alterations.
View Article and Find Full Text PDFElectron-phonon coupling and coherent energy superposition induce spin-sensitive orbital degeneracy for enhanced acidic water oxidation.
Nat Commun
January 2025
Institute of Biomedical Engineering, College of Life Sciences, Qingdao University, Qingdao, China.
The development of acid-stable water oxidation electrocatalysts is crucial for high-performance energy conversion devices. Different from traditional nanostructuring, here we employ an innovative microwave-mediated electron-phonon coupling technique to assemble specific Ru atomic patterns (instead of random Ru-particle depositions) on MnCrO surfaces (Ru-MnCrO) in RuCl solution because hydrated Ru-ion complexes can be uniformly activated to replace some Mn sites at nearby Cr-dopants through microwave-triggered energy coherent superposition with molecular rotations and collisions. This selective rearrangement in Ru-MnCrO with particular spin-differentiated polarizations can induce localized spin domain inversion from reversed to parallel direction, which makes Ru-MnCrO demonstrate a high current density of 1.
View Article and Find Full Text PDFInterplay between the isotherm course and the efficiency of mAb purification in flowthrough and bind-and-elute modes on cation exchange resins.
J Chromatogr A
January 2025
Department of Chemical and Process Engineering, Rzeszów University of Technology, Rzeszów/PL. Electronic address:
Separation of a monoclonal antibody (mAb) from impurities was examined on different cation exchange resins (CEX), including POROS XS, POROS HS, NUVIA S, and NUVIA HRS. Impurities mainly consisted of cell culture-derived mAb fragments, or lysozyme, that mimicked the presence of an adsorbing protein of low molecular weight. The choice between the flowthrough mode and the bind-and-elute mode for the purification was guided by the shape of the adsorption isotherm.
View Article and Find Full Text PDFEfficient capture of TcO/ReO via node and linker bifunctional anion exchange covalent organic frameworks.
J Hazard Mater
January 2025
State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China. Electronic address:
In nuclear wastewater treatment, ion-scavenging materials designed to trap TcO is urgently needed. However, strong acid/base, high radiation and high salt concentration of nuclear wastewater usually result in inadequate stability and adsorption capacity of the adsorbent. Herein, we report a new class of bifunctional anion-exchange olefin-linked COF (BPDC-MTMP) prepared via Knoevenagel condensation reactions, the first example exploring the synergistic integration of positively charged fragments at both nodes and linkers.
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