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Impact of transmembrane peptides on individual lipid motions and collective dynamics of lipid bilayers.
Colloids Surf B Biointerfaces
August 2023
Department of Biointerface Chemistry, Faculty of Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan. Electronic address:
Article Synopsis
- The study investigates how transmembrane peptides affect the dynamics and physical properties of lipid bilayers, which are crucial for protein function and membrane structure.
- It was found that the inclusion of these peptides inhibits lipid molecule movement and increases the rigidity and viscosity of the membrane.
- The results highlight the importance of lipid-protein interactions in altering the collective behavior of lipid bilayers, impacting the overall function of biological membranes.
MiniBooNE and MicroBooNE Combined Fit to a 3+1 Sterile Neutrino Scenario.
Phys Rev Lett
November 2022
University of Colorado, Boulder, Colorado 80309, USA.
This Letter presents the results from the MiniBooNE experiment within a full "3+1" scenario where one sterile neutrino is introduced to the three-active-neutrino picture. In addition to electron-neutrino appearance at short baselines, this scenario also allows for disappearance of the muon-neutrino and electron-neutrino fluxes in the Booster Neutrino Beam, which is shared by the MicroBooNE experiment. We present the 3+1 fit to the MiniBooNE electron-(anti)neutrino and muon-(anti)neutrino data alone and in combination with MicroBooNE electron-neutrino data.
View Article and Find Full Text PDFBromine Incorporation and Suppressed Cation Rotation in Mixed-Halide Perovskites.
ACS Nano
November 2020
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario M5S 1A4, Canada.
Engineering the composition of perovskite active layers has been critical in increasing the efficiency of perovskite solar cells (PSCs) to more than 25% in the latest reports. Partial substitutions of the monovalent cation and the halogen have been adopted in the highest-performing devices, but the precise role of bromine incorporation remains incompletely explained. Here we use quasi-elastic neutron scattering (QENS) to study, as a function of the degree of bromine incorporation, the dynamics of organic cations in triple-cation lead mixed-halide perovskites.
View Article and Find Full Text PDFFirst Measurement of Inclusive Muon Neutrino Charged Current Differential Cross Sections on Argon at E_{ν}∼0.8 GeV with the MicroBooNE Detector.
Phys Rev Lett
September 2019
Brookhaven National Laboratory (BNL), Upton, New York 11973, USA.
We report the first measurement of the double-differential and total muon neutrino charged current inclusive cross sections on argon at a mean neutrino energy of 0.8 GeV. Data were collected using the MicroBooNE liquid argon time projection chamber located in the Fermilab Booster neutrino beam and correspond to 1.
View Article and Find Full Text PDFSoft nanoparticles charge expression within lipid membranes: The case of amino terminated dendrimers in bilayers vesicles.
Colloids Surf B Biointerfaces
October 2018
Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Moscow 141980, Russia.
Interactions of charged nanoparticles with model bio-membranes provide important insights about the soft interaction involved and the physico-chemical parameters that influence lipid bilayers stability, thus providing key features of their cytotoxicity effects onto cellular membranes. With this aim, the self-assembly processes between polyamidoamine dendrimers (generation G = 2.0 and G = 4.
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