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Recombinant HIV-1 genomes identified in three or more epidemiological unrelated individuals are defined as circulating recombinant forms (CRFs). CRFs can further recombine with other pure subtypes or recombinants to produce secondary recombinants. In this study, a new HIV-1 intersubtype CRF, designated CRF159_01103, isolated from three men who have sex with men with no epidemiological linkage, was identified in Baoding city, Hebei Province, China. CRF159_01103 was derived from CRF103_01B and CRF01_AE. Bayesian molecular clock analysis was performed on the CRF01-AE and CRF103_01B regions of CRF159_01103. The time of origin of CRF159_01103 was predicted to be 2018-2019, indicating that it is a recent recombinant virus. The emergence of CRF159_01103 has increased the complexity of the HIV-1 epidemic in Hebei Province.
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http://dx.doi.org/10.1038/s41598-024-64156-8 | DOI Listing |
Adv Mater
September 2025
Key Laboratory of Brain-Like Neuromorphic Devices and Systems of Hebei Province, College of Electronic and Information Engineering, Hebei University, Baoding, 071002, China.
Neuromorphic Visual Devices hold considerable promise for integration into neuromorphic vision systems that combine sensing, memory, and computing. This potential arises from their synergistic benefits in optical signal detection and neuro-inspired computational processes. However, current devices face challenges such as insufficient light/dark resistance ratios, mismatched transient photo-response, and volatile retention characteristics, limiting their adaptability to complex artificial vision systems.
View Article and Find Full Text PDFPhytochem Anal
September 2025
School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, China.
Introduction: The drug "alkaloids of Sophora flavescens" (ASF) is an extract from the dried root of S. flavescens Ai. It has various pharmacological effects including anti-arrhythmia, anti-inflammatory, anti-allergic, anti-hepatitis, and antimicrobial.
View Article and Find Full Text PDFJ Chem Phys
September 2025
Center for Advanced Structural Materials, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.
Increasing evidences show the significance of low melting entropy in glass formation of substances. Our previous studies have uncovered the strong dependence between melting entropy in the eutectic mixtures and mixing enthalpy, which has been serving as an important reference for glass formation, showing that negative mixing enthalpy largely reduces the melting entropy. In this paper, we focused on the question as to how melting entropy is associated with another classical glass formation criterion of molecule/atom size difference of components.
View Article and Find Full Text PDFJ Laryngol Otol
September 2025
Department of Neurology, the First hospital of Hebei Medical University, Shijiazhuang, 050000, Hebei, China.
Org Lett
September 2025
College of Chemistry and Materials Science, Key Laboratory of Chemical Biology of Hebei Province, Hebei University, Baoding, Hebei 071002, P. R. China.
Four novel coumarin-containing arenes bearing a [5]/[6]helicene unit (, , , and ) have been readily synthesized and structurally verified by X-ray crystallographic analysis. The chiral resolution of molecules , , and has enabled a detailed investigation of their chiroptical properties and the kinetics of enantiomerization, manifesting that the [6]helicenes and exhibit a more enhanced chiroptical response compared to [5]helicene .
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