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Chalcogen Substitution-Modulated Molecule-Electrode Coupling in Single-Molecule Junctions.
Langmuir
January 2025
Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, 928 Second Street, Zhejiang, Hangzhou 310018, China.
Molecule-electrode interfaces play a pivotal role in defining the electron transport properties of molecular electronic devices. While extensive research has concentrated on optimizing molecule-electrode coupling (MEC) involving electrode materials and molecular anchoring groups, the role of the molecular backbone structure in modulating MEC is equally vital. Additionally, it is known that the incorporation of heteroatoms into the molecular backbone notably influences factors such as energy levels and conductive characteristics.
View Article and Find Full Text PDFHuman naïve B cells recognize prepandemic influenza virus hemagglutinins.
Sci Immunol
January 2025
Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA 02139, USA.
Understanding the naïve B cell repertoire and its specificity for potential zoonotic threats, such as the highly pathogenic avian influenza (HPAI) H5Nx viruses, may allow prediction of infection- or vaccine-specific responses. However, this naïve repertoire and the possibility to respond to emerging, prepandemic viruses are largely undetermined. Here, we profiled naïve B cell reactivity against a prototypical HPAI H5 hemagglutinin (HA), the major target of antibody responses.
View Article and Find Full Text PDFα/β Conflicting Aromaticity Under the Microscope: Study of Pro-Aromatic Radicals.
Chemphyschem
January 2025
University of Vigo, Dept. of Physical Chemistry, Lagoas-Marcosende, 36310, Vigo, SPAIN.
The aromaticity of a representative sample of pro-aromatic radicals and its nitro, amino, hydroxyl and imine substituted derivatives has been analysed by means of multicentre delocalization indices (MCI) and nuclear-independent chemical shifts (NICS). Because of their radical character, these compounds may exhibit conflicting α/ß aromaticity, so that the contribution of α and β electrons to the MCI and NICS has been analysed separately and their values qualitatively interpreted in terms of the 2n+1/2n rule. All the monocyclic radicals investigated show conflicting α/β aromaticity.
View Article and Find Full Text PDFCongenital Titinopathy: Comprehensive Characterization of the Most Severe End of the Disease Spectrum.
Ann Neurol
January 2025
School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, New South Wales, Australia.
Unlabelled: Congenital titinopathy has recently emerged as one of the most common congenital muscle disorders.
Objective: To better understand the presentation and clinical needs of the under-characterized extreme end of the congenital titinopathy severity spectrum.
Methods: We comprehensively analyzed the clinical, imaging, pathology, autopsy, and genetic findings in 15 severely affected individuals from 11 families.
In situ Electron Paramagnetic Resonance Investigation of Isotope-selective Breathing in MIL-53 during Dihydrogen Adsorption.
Chemistry
January 2025
University of Leipzig, Physics and Geoscience, Linnestr. 5, 4103, Leipzig, GERMANY.
The development of smart materials capable of separating dihydrogen isotopologues has risen recently. Among potential candidates, the flexible MIL-53 (Al) has been gaining attention due to its structural flexibility providing the so-called ''breathing mechanism'' that can be useful to separate hydrogen isotopologues selectively. In the present work, an in situ continuous wave electron paramagnetic resonance investigation has been proven as a sensitive technique to follow the isotopologue-selective adsorption-desorption of dihydrogen species on the paramagnetic metal-doped MIL-53 (Al0.
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