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Defect Structures in Colloidal Crystals and Their Effect on Grating Diffraction Structural Color.
ACS Appl Mater Interfaces
January 2025
Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States.
Colloidal crystals of micrometer-sized colloids create prismatic structural colors through the grating diffraction of visible light. Here, we develop design rules to engineer such structural color by specifically accounting for the effect of crystal defects. The local quality and grain size of the colloidal structure are varied by performing self-assembly in the presence of a direct current (DC) electric field.
View Article and Find Full Text PDFDengue Virus Structural Proteins Are Expressed on the Surface of DENV-Infected Cells and Are a Target for Antibody-Dependent Cellular Phagocytosis.
Open Forum Infect Dis
January 2025
Department of Microbiology and Immunology, State University of New York Upstate Medical University, Syracuse, New York, USA.
Article Synopsis
- Dengue virus (DENV) is a significant global health issue, with severe cases potentially worsened by antibodies that can enhance infection rather than neutralize it.
- Researchers are exploring the possibility of targeting DENV-infected cells for immune clearance to avoid antibody-dependent enhancement (ADE).
- This study found that DENV structural proteins are present on infected cell surfaces and can be recognized by immune antibodies, which may facilitate the clearance of infected cells without enriching viral material in certain immune cells.
Spin-state switching of indium-phthalocyanine on Pb(100).
RSC Adv
December 2024
Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel D-24098 Kiel Germany
Indium(iii) phthalocyanine chloride deposited on Pb(100) is studied by scanning tunnelling spectroscopy at cryogenic temperatures. The Cl ions are dissociated and the remaining indium phthalocyanine (InPc) is observed in two states with the metal ion pointing to (↓) or away (↑) from the substrate. Isolated molecules and islands with a superstructure and a unit cell of four inequivalent molecules, namely one InPc↑ and three InPc↓ in different sites, are observed.
View Article and Find Full Text PDFEnergetic neutral atom imaging reveals nearly 11-year cycle of the ring current of Saturn.
Nat Commun
December 2024
Institute of Space Physics and Applied Technology, Peking University, Beijing, China.
The drift motion of energetic charged particles can generate an azimuthal electric current around the planet known as the ring current, which regulates the field configuration of the magnetosphere. However, limited coverage of in-situ measurements makes it challenging to investigate the long-term variations of the global ring current. Taking advantage of the energetic neutral atom (ENA) imaging onboard the Cassini mission, we present a nearly 11-year cycle of the suprathermal ring current populations in Saturn's magnetosphere.
View Article and Find Full Text PDFNoisy neuronal populations effectively encode sound localization in the dorsal inferior colliculus of awake mice.
Elife
November 2024
Cell Biology and Biophysics Unit, European Molecular Biology Laboratory, Heidelberg, Germany.
Sound location coding has been extensively studied at the central nucleus of the mammalian inferior colliculus (CNIC), supporting a population code. However, this population code has not been extensively characterized on the single-trial level with simultaneous recordings or at other anatomical regions like the dorsal cortex of inferior colliculus (DCIC), which is relevant for learning-induced experience dependent plasticity. To address these knowledge gaps, here we made in two complementary ways large-scale recordings of DCIC populations from awake mice in response to sounds delivered from 13 different frontal horizontal locations (azimuths): volumetric two-photon calcium imaging with ~700 cells simultaneously recorded at a relatively low temporal resolution, and high-density single-unit extracellular recordings with ~20 cells simultaneously recorded at a high temporal resolution.
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