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Third-order nonlinear Hall effect in a quantum Hall system.
Nat Nanotechnol
October 2024
State Key Laboratory of Surface Physics and Institute for Nanoelectronic Devices and Quantum Computing, Fudan University, Shanghai, China.
In two-dimensional systems, perpendicular magnetic fields can induce a bulk band gap and chiral edge states, which gives rise to the quantum Hall effect. The quantum Hall effect is characterized by zero longitudinal resistance (R) and Hall resistance (R) plateaus quantized to h/(υe) in the linear response regime, where υ is the Landau level filling factor, e is the elementary charge and h is Planck's constant. Here we explore the nonlinear response of monolayer graphene when tuned to a quantum Hall state.
View Article and Find Full Text PDFAcoustic Shock Wave-Induced Amorphous to Crystalline Phase Transitions of LiSO─Raman Spectroscopic and Thermal Calorimetric Approach.
J Phys Chem A
April 2024
Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.
In this context, we have reexamined the acoustical shock wave-induced amorphous-glassy-crystalline-amorphous phase transitions in the LiSO sample under 0, 1, 2, and 3 shocked conditions by implementing the detailed Raman spectroscopic approach. The recorded Raman spectroscopic data clearly reveal that the transition from the amorphous-glassy-crystalline state occurs because of a significant reduction of the translational disorder of lithium cations, particularly [Li (2)] ions wherein a slight reduction of the librational disorder of SO anions takes place, whereas the crystalline to amorphous transition occurs only at the third shocked condition because of the librational disorder of SO anions. The double degenerate υ and υ Raman modes provide a clear indication of the occurrence of the librational disorder of SO anions at the third shocked condition.
View Article and Find Full Text PDFProphylactic Administration of Gut Microbiome Metabolites Abrogated Microglial Activation and Subsequent Neuroinflammation in an Experimental Model of Japanese Encephalitis.
ACS Chem Neurosci
April 2024
National Brain Research Centre, Manesar, Haryana 122052, India.
Short-chain fatty acids (SCFAs) are gut microbial metabolic derivatives produced during the fermentation of ingested complex carbohydrates. SCFAs have been widely regarded to have a potent anti-inflammatory and neuro-protective role and have implications in several disease conditions, such as, inflammatory bowel disease, type-2 diabetes, and neurodegenerative disorders. Japanese encephalitis virus (JEV), a neurotropic flavivirus, is associated with life threatening neuro-inflammation and neurological sequelae in infected hosts.
View Article and Find Full Text PDFIFN-υ and its receptor subunits, IFN-υR1 and IL10RB in mallard Anas platyrhynchos.
Poult Sci
June 2024
State Key Laboratory of Freshwater Ecology and Biotechnology, and Key Laboratory of Aquaculture Disease Control, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, Hubei Province, 430072, China; School of Marine Science and Engineering, Qingdao Agricultural University, Qingdao, Shandong Province, 266109, China. Electronic address:
Type IV interferon (IFN) has been shown to be a cytokine with antiviral activity in fish and amphibian. But, it has not been cloned and characterized functionally in avian species. In this study, type IV IFN, IFN-υ, and its 2 possible receptors, IFN-υR1 and IL10RB, were identified from an avian species, the mallard (Anas platyrhynchos).
View Article and Find Full Text PDFGreen approach to synthesize novel thiosemicarbazide complexes, characterization; DNA-methyl green assay and in-silico studies against DNA polymerase.
Heliyon
February 2024
Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia.
A thiosemicarbazide derivative as ()-4-ethyl-1-(1-(naphthalen-1-yl) ethylidene) thiosemicarbazide (HAN) was synthesized then characterized to prepare [Co(HAN)Cl·(HO)], [Ni(HAN)Cl·(HO)]. HO, and [Cd(HAN)Cl] complexes. According to spectral and analytical data we could confirm the neutral bidentate mode of bonding (C]S) and (C]N) groups to form 1:1 M ratio within the three complexes.
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