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Force-Trainable Liquid Crystal Elastomer Enabled by Mechanophore-Induced Radical Polymerization.
Angew Chem Int Ed Engl
January 2025
Southeast University, Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Institute of Advanced Materials and School of Chemistry and Chemical Engineering, 211189, Nanjing, CHINA.
In nature, organisms adapt to environmental changes through training to learn new abilities, offering valuable insights for developing intelligent materials. However, replicating this adaptive learning in synthetic materials presents a significant challenge. This study introduces a feasible approach to train liquid crystal elastomers (LCEs) by integrating a mechanophore tetraarylsuccinonitrile (TASN) into their main chain, addressing the challenge of enabling synthetic materials to exchange substances with their environment.
View Article and Find Full Text PDFAutomating the practice of science: Opportunities, challenges, and implications.
Proc Natl Acad Sci U S A
February 2025
Cognitive Science Program, Indiana University, Bloomington, IN 47405.
Automation transformed various aspects of our human civilization, revolutionizing industries and streamlining processes. In the domain of scientific inquiry, automated approaches emerged as powerful tools, holding promise for accelerating discovery, enhancing reproducibility, and overcoming the traditional impediments to scientific progress. This article evaluates the scope of automation within scientific practice and assesses recent approaches.
View Article and Find Full Text PDFPressure-Induced Emission Enhancement of Multi-Resonance o-Carborane Derivatives via Exciton‒Vibration Coupling Suppression.
Adv Sci (Weinh)
January 2025
Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, Yingbin Road No.688, Jinhua, 321004, P. R. China.
Polycyclic multiple resonance (MR) molecules reveal narrowband emission, making them very promising emitters for high color purity display. Nevertheless, they still have challenges such as aggregation-induced emission quenching and spectral broadening. Overcoming these obstacles requires an in-depth understanding of the correlations among the alterations in their geometries, packing structures, and molecular vibrations and their corresponding changes in their photoluminescence (PL) properties.
View Article and Find Full Text PDFTuning the lanthanide binding tags for preferential actinide chelation: an all atom molecular dynamics study.
Phys Chem Chem Phys
January 2025
Chemistry Division, Bhabha Atomic Research Centre, Mumbai, 400085, India.
The present study focuses on designing mutant peptides derived from the lanthanide binding tag (LBT) to enhance selectivity for trivalent actinide (An) ions over lanthanide (Ln) metal ions (M). The LBT is a short peptide consisting of only 17 amino acids, and is known for its high affinity towards Ln. LBT was modified by substituting hard-donor ligands like asparagine (ASN or N) and aspartic acid (ASP or D) with softer ligand cysteine (CYS or C) to create four mutant peptides: M-LBT (wild-type), M-N103C, M-D105C, and M-N103C-D105C.
View Article and Find Full Text PDFA leaf-like structured membrane for highly efficient and persistent radiative cooling.
Mater Horiz
January 2025
Key Laboratory of Polymer Processing Engineering of the Ministry of Education, National Engineering Research Center of Novel Equipment for Polymer Processing, Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou 510641, People's Republic of China.
Passive daytime radiative cooling offers a promising approach to address energy, environmental, and safety issues caused by global warming. However, the contradiction between high radiative cooling performance and long-lasting ultraviolet (UV) durability is a primary limitation at the current stage. Here, inspired by the ability of epidermal cells and palisade cells on the leaf surface to protect internal leaf structures (such as chloroplasts and nuclei) under drought and high-temperature conditions, a double-layer passive radiative cooling (PRC) porous membrane, which consists of an upper protective layer densely packed with highly ultraviolet-reflective inorganic particles and a bottom cooling layer doped with a variety of optically characterized inorganic particles, was developed to overcome these challenges.
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