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Dendrocandin U from Dendrobium officinale Kimura et Migo Inhibits M1 Polarization in Alveolar Macrophage by Suppressing NF-κB Signaling Pathway.
Chem Biodivers
November 2023
Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, P. R. China.
Dendrobium officinale Kimura et Migo is a valuable and homologous medicine and food traditional Chinese medicine. Currently there are few studies on the anti-inflammatory activity of lipophilic components. The aim of this study was to explore the anti-inflammatory effect and mechanism of the lipophilic compounds in Dendrobium officinale.
View Article and Find Full Text PDFFormation of α clusters in dilute neutron-rich matter.
Science
January 2021
Technische Universität Darmstadt, Fachbereich Physik, Institut für Kernphysik, Schlossgartenstraße 9, 64289 Darmstadt, Germany.
The surface of neutron-rich heavy nuclei, with a neutron skin created by excess neutrons, provides an important terrestrial model system to study dilute neutron-rich matter. By using quasi-free α cluster-knockout reactions, we obtained direct experimental evidence for the formation of α clusters at the surface of neutron-rich tin isotopes. The observed monotonous decrease of the reaction cross sections with increasing mass number, in excellent agreement with the theoretical prediction, implies a tight interplay between α-cluster formation and the neutron skin.
View Article and Find Full Text PDFMolecular epidemiology and glycomics of swine influenza viruses circulating in commercial swine farms in the southeastern and midwest United States.
Vet Microbiol
December 2020
Department of Infectious Diseases, Athens, GA, United States. Electronic address:
Tracking the genetic diversity and spread of swine influenza viruses (SIVs) in commercial swine farms is central for control and to reduce the potential emergence of SIV reassortants. We analyzed the diversity of SIVs in nasal washes or oral fluids from commercial swine farms in North Carolina using influenza M qRT-PCR and hemagglutinin (HA) and neuraminidase (NA) subtyping. We found a predominance of H1 HAs and N2 NAs in the samples examined.
View Article and Find Full Text PDFAb initio Calculations of the Isotopic Dependence of Nuclear Clustering.
Phys Rev Lett
December 2017
Department of Physics and Astronomy and HPC2 Center for Computational Sciences, Mississippi State University, Mississippi State, Mississippi 39762, USA.
Article Synopsis
- Nuclear clustering involves smaller structures, like alpha particles, forming inside larger atomic nuclei, impacting the understanding of nuclear formation.
- This study employs lattice Monte Carlo simulations based on chiral effective field theory to explore the ground states of various helium and carbon isotopes, focusing on nucleon correlations.
- A novel computational tool, the pinhole algorithm, enhances accuracy in analyzing density correlations, revealing similarities in the structure of carbon isotopes, particularly suggesting that ^{14}C and ^{16}C exhibit resonances similar to the Hoyle state found in ^{12}C.
Nuclear Binding Near a Quantum Phase Transition.
Phys Rev Lett
September 2016
Department of Physics and Astronomy and HPC2 Center for Computational Sciences, Mississippi State University, Mississippi State, Mississippi 39762, USA.
How do protons and neutrons bind to form nuclei? This is the central question of ab initio nuclear structure theory. While the answer may seem as simple as the fact that nuclear forces are attractive, the full story is more complex and interesting. In this work we present numerical evidence from ab initio lattice simulations showing that nature is near a quantum phase transition, a zero-temperature transition driven by quantum fluctuations.
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