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Dose-responsive phytotoxicity and oxidative stress induced by metal-organic framework PCN-224 in Arabidopsis thaliana seedlings.
J Hazard Mater
December 2024
Department of Convergence Biosystems Engineering, Chonnam National University, Gwangju 61186, Republic of Korea; Department of Rural and Biosystems Engineering, Chonnam National University, Gwangju 61186, Republic of Korea; Interdisciplinary Program in IT-Bio Convergence System, Chonnam National University, Gwangju 61186, Republic of Korea. Electronic address:
Metal-organic frameworks (MOFs) are advanced porous materials composed of metal ions and organic ligands, known for their unique structures and fascinating physio-chemical properties. To ensure their safe production and applications, it is crucial to thoroughly investigate their toxicity and environmental hazards. However, the potential risks of MOFs, particularly their impact on plants remained underexplored.
View Article and Find Full Text PDFImidazole-Functionalized Zn-MOFs for One-Step CH Purification from CH/CH/CH Ternary Mixture.
Inorg Chem
January 2025
School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, China.
The discovery of new structures is very important for metal-organic framework (MOF) adsorbents and their application in gas separation, where the design of ligands and the selection of metal ions play a decisive role. Herein, we synthesized two isoreticular Zn-MOFs, UPC-250 and UPC-251, composed of imidazole-based tricarboxylic acid ligands and binuclear zinc clusters. The pore environment was regulated via modifying fluorine atoms at different positions of ligands, and one-step purification of ethylene from acetylene/ethylene/ethane ternary mixture was realized in UPC-251.
View Article and Find Full Text PDFMetal Organic Framework Based on Photoactivated Aggregation-Induced Emission Molecule for Achieving Photoexcitation Regulation.
Chem Asian J
January 2025
University of Shanghai for Science and Technology, School of Materials and Chemistry, Shanghai, CHINA.
Ln-MOFs, composed of lanthanide ions and functional organic ligands, are porous materials with tunable structures and unique luminescent properties. However, the interplay between ligand AIE properties and the framework's "antenna effect" on MOF morphology is understudied. Here, Tb-D-Cam-TPTB was synthesized via solvothermal method using TPTB (persulfurated arene) as the primary ligand, D-Cam as the auxiliary ligand, and Tb3+ as the metal ion.
View Article and Find Full Text PDFKinetics and Optimality of Influenza A Virus Locomotion.
Phys Rev Lett
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Chan Zuckerberg Biohub-San Francisco, 499 Illinois Street, San Francisco, California 94158, USA.
Influenza A viruses (IAVs) must navigate through a dense extracellular mucus to infect airway epithelial cells. The mucous layer, composed of glycosylated biopolymers (mucins), presents sialic acid that binds to ligands on the viral envelope and can be irreversibly cleaved by viral enzymes. It was recently discovered that filamentous IAVs exhibit directed persistent motion along their long axis on sialic acid-coated surfaces.
View Article and Find Full Text PDFDNA Tetrahedron-Driven Multivalent Proteolysis-Targeting Chimeras: Enhancing Protein Degradation Efficiency and Tumor Targeting.
J Am Chem Soc
January 2025
New Cornerstone Science Laboratory, MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, People's Republic of China.
Proteolysis-targeting chimeras (PROTACs) are dual-functional molecules composed of a protein of interest (POI) ligand and an E3 ligase ligand connected by a linker, which can recruit POI and E3 ligases simultaneously, thereby inducing the degradation of POI and showing great potential in disease treatment. A challenge in developing PROTACs is the design of linkers and the modification of ligands to establish a multifunctional platform that enhances degradation efficiency and antitumor activity. As a programmable and modifiable nanomaterial, DNA tetrahedron can precisely assemble and selectively recognize molecules and flexibly adjust the distance between molecules, making them ideal linkers.
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