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  1. 15 Sep 2023 Journal Article Chemical Engineering Journal

    A review from material functionalization to process feasibility on advanced mixed matrix membranes for gas separations

    Zhihong Lin, Ziyi Yuan, Zhongde Dai, Lu Shao, Moris S Eisen, Xuezhong He
    Abstract

    Carbon capture and hydrocarbon purification via economically viable and energy-efficient membrane systems have recently attracted increased interest. Mixed matrix membranes (MMMs) made from metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and 2-dimensional (2D) materials such as MXenes and layered double hydroxides (LDHs) are particularly attractive

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  2. 15 Sep 2023 Journal Article Communications Chemistry

    Species-specific lipophilicities of fluorinated diketones in complex equilibria systems and their potential as multifaceted reversible covalent warheads

    Ishay Columbus, Lee Ghindes-Azaria, Ido Michael Herzog, Eliav Blum, Galit Parvari, Yoav Eichen, Yoram Cohen, Eytan Gershonov, Eyal Drug, Sigal Saphier, Shlomi Elias, Boris Smolkin, ... show all 13 authors
    Abstract

    Combined molecular, physicochemical and chemical properties of electrophilic warheads can be applied to create covalent drugs with diverse facets. Here we study these properties in fluorinated diketones (FDKs) and their multicomponent equilibrium systems in the presence of protic nucleophiles, revealing the potential of the CF2(CO)2 group to act as a multifaceted warhead

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  3. 12 Sep 2023 Journal Article ACS Nano

    Excitation-Dependent Fluorescence with Excitation-Selective Circularly Polarized Luminescence from Hierarchically Organized Atomic Nanoclusters

    Srestha Basu, Martina Perić Bakulić, Željka Sanader Maršić, Vlasta Bonačić-Koutecký, Nadav Amdursky
    Abstract

    Nanometer-scaled objects are known to have dimension-related properties, but sometimes the assembly of such objects can lead to the emergence of other properties. Here, we show the assembly of atomically precise gold nanoclusters into large fibrillar structures that are featuring excitation-dependent luminescence with an excitation-selective circularly polarized

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  4. 7 Sep 2023 Journal Article The Journal of Chemical Physics

    Spontaneous Raman scattering from vibrational polaritons is obscured by reservoir states

    Bar Cohn, Tikhon Filippov, Emanuel Ber, Lev Chuntonov
    Abstract

    Vibrational strong coupling results from the interaction between optically allowed molecular vibrational excitations and the resonant mode of an infrared cavity. Strong coupling leads to the formation of hybrid states, known as vibrational polaritons, which are readily observed in transmission measurements and a manifold of the reservoir states. In contrast, Raman

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  5. 7 Sep 2023 Journal Article Chemistry – A European Journal

    The First Planar, Not Twisted, Distannene – A Structural Alkene Analog. Synthesis, Isolation and X-ray Crystallography Characterization

    Abstract

    The tetrasilyl-substituted distannene, (tBu2HSi)2Sn=Sn(SiHtBu2)2 6, was synthesized by mild thermolysis (70°C in hexane) of tris(di-tert-butyl-hydridosilyl)stannane 4. The X-ray crystallography structure of 6 reveals the following unusual structural properties: a planar geometry around both Sn atoms (Σ∡Sn = 359.87°), a non-twisted Sn=Sn double bond, and the shortest

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  6. 6 Sep 2023 Conference Paper Israel Journal of Chemistry

    Functions and Pathological Dysfunctions of RNA and Proteins: ICS Symposium Honoring Wolf Prize Laureates Chuan He, Jeffrey W. Kelly, and Hiroaki Suga: June 14, 2023, The Weizmann Institute of Science, Rehovot, Israel

    Abstract

    The Annual Wolf Prize Symposia of the Israel Chemical Society (ICS) have become a significant component of the scientific landscape of the State of Israel. These highly attended events occur annually in late May or early June as part of the Wolf Prize week, usually one day before the award ceremony in the Knesset. This account covers the one-day symposium at the Weizmann

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  7. 4 Sep 2023 Journal Article Colloids and Surfaces C: Environmental Aspects

    Preparation, nano-mechanics and particle deposition behavior of thin, antifouling hydrogel coatings

    Abstract

    Hydrogel based on hydrophilic, crosslinked networks can reduce surface contamination in aqueous environment due to their low adhesion, biocompatibility and tunable properties. In particular, sub-micron hydrogel films can potentially screen a surface from interaction with foulant colloids and microorganisms without compromising original functions, such as water permeation

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  8. 4 Sep 2023 Journal Article Inorganic Chemistry

    Size and Electronic Effects on the Performance of (Corrolato)cobalt-Modified Electrodes for Oxygen Reduction Reaction Catalysis

    Abstract

    Considering the worldwide efforts for designing catalysts that are not based on platinum group metals while still reserving the many advantages thereof, this study focused on the many variables that dictate the performance of cathodes used for fuel cells, regarding the efficient and selective reduction of oxygen to water. This was done by investigating two kinds of

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  9. Sep 2023 Journal Article Nature Chemistry

    How polymers dance to the pulses of ultrasound

    Abstract

    Solvodynamic shear describes the shear stresses produced by the movement of solvent molecules over slower-moving objects, such as a surface or macromolecules. This phenomenon is commonly attributed in the literature to driving solution polymer mechanochemistry — the scission of chemical bonds (even very strong ones) in covalent macromolecules1. Polymer mechanochemistry

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  10. Sep 2023 Journal Article The European Physical Journal E

    Smart design of universally decorated nanoparticles for drug delivery applications driven by active transport

    Gal Halbi, Itay Fayer, Dina Aranovich, Shachar Gat, Mariela J Pavan, Dikla Nachmias, Daniel Sevilla Sanchez, Ashraf Brik, Rony Granek, Anne Bernheim-Groswasser
    Abstract

    Targeting the cell nucleus remains a challenge for drug delivery. Here, we present a universal platform for the smart design of nanoparticle (NP) decoration that is based on: (i) a spacer polymer, commonly biotin-polyethylene-glycol-thiol, whose grafting density and molecular weight can be tuned for optimized performance, and (ii) protein binding peptides, such as cell

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