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Leveraging Multivalent Assembly towards High-Temperature Liquid-Phase Phosphorescence.
Angew Chem Int Ed Engl
January 2025
Ningbo Institute of Materials Technology and Engineering CAS: Chinese Academy of Sciences Ningbo Institute of Materials Technology and Engineering, Key Laboratory of Advanced Marine Materials, Ningbo Institute of Materials Technology and Engineering, CHINA.
High-temperature phosphorescence (HTP) materials have attracted considerable attention owing to their expanded application prospects, whereas they still suffer from severe deactivation in polar media, limiting their reliability and utility. Here, we present an efficient multivalent assembly strategy to achieve high-temperature liquid-phase phosphorescence (HTLP). The supramolecular assembly of multivalent modules leads to extremely robust hydrogen-bonding networks, which firmly immobilize the organic phosphors and protect triplet excitons from annihilation in high-temperature polar media, resulting in excellent HTLP emission.
View Article and Find Full Text PDFHydrogen Bonding Polarization Strengthening the Peptide-Based Hydrogels.
J Phys Chem B
December 2024
Research Institute of Interdisciplinary Science & School of Materials Science and Engineering, Dongguan University of Technology, Dongguan 523808, China.
Peptide-based hydrogels form a kind of promising material broadly used in biomedicine and biotechnology. However, the correlation between their hydrogen bonding dynamics and mechanical properties remains uncertain. In this study, we found that the adoption of β-sheet and α-helix secondary structures by ECF-5 and GFF-5 peptides, respectively, could further form fiber networks to immobilize water molecules into hydrogels.
View Article and Find Full Text PDFPolar Networks Mediate Ion Conduction of the SARS-CoV-2 Envelope Protein.
J Am Chem Soc
December 2024
Department of Chemistry, Massachusetts Institute of Technology, 170 Albany Street, Cambridge, Massachusetts 02139, United States.
The SARS-CoV-2 E protein conducts cations across the cell membrane to cause pathogenicity to infected cells. The high-resolution structures of the E transmembrane domain (ETM) in the closed state at neutral pH and in the open state at acidic pH have been determined. However, the ion conduction mechanism remains elusive.
View Article and Find Full Text PDFEnhancing astaxanthin accumulation in immobilized Haematococcus pluvialis via alginate hydrogel membrane.
Int J Biol Macromol
December 2024
State Key Laboratory of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China. Electronic address:
Immobilized cultivation is anticipated to be effective for enhancing both biomass and astaxanthin accumulation in Haematococcus pluvialis (H. pluvialis). A novel fabrication method of alginate hydrogel membrane (AHM) was introduced for immobilized cultivation of H.
View Article and Find Full Text PDF3D cryo-printed hierarchical porous scaffolds provide immobilization of surface-functionalized sleep-inspired small extracellular vesicles: synergistic therapeutic strategies for vascularized bone regeneration based on macrophage phenotype modulation and angiogenesis-osteogenesis coupling.
J Nanobiotechnology
December 2024
Department of Orthopedic Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, 600 Yishan Road, Shanghai, 200233, China.
Bone defect healing is a multi-factorial process involving the inflammatory microenvironment, bone regeneration and the formation of blood vessels, and remains a great challenge in clinical practice. Combined use of three-dimensional (3D)-printed scaffolds and bioactive factors is an emerging strategy for the treatment of bone defects. Scaffolds can be printed using 3D cryogenic printing technology to create a microarchitecture similar to trabecular bone.
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