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Yuhao Sun,Yaru Hu,Danqi Hu,Zhuqian Xiao,Hongpeng Wang,Jun Huang,Jian-wei Mao 한국식품과학회 2023 Food Science and Biotechnology Vol.32 No.14
Three different Akebia trifoliata fruit juices were prepared, and their effects on modulation of human fecal microbiota were elucidated through an anaerobic fermentation in vitro. Results indicated that the introduction of inoculatedly-fermented Akebia trifoliata fruit juice promoted short-chain fatty acids productivity. Fecal microbiota analysis demonstrated up-regulations for abundances of Limosilactobacillus, Megamonas, Bifidobacterium, and Escherichia_Shigella, and down-regulations for numbers of Bacteroides, Prevotella_9, Parasutterella, and Sutterella. Correlation analysis confirmed relationships among sample components, short-chain fatty acids productivity, and microbial abundances, suggesting that sugars and organic acids stimulated growth of Actinobacteriota and suppressed proliferation of Proteobacteria, thus uncovering the underlying mechanism for the better ability of inoculatedly-fermented Akebia trifoliata fruit juice to regulate microbiota structure. Besides, clusters of orthologous groups of proteins analysis indicated that metabolite biosynthesis, energy metabolism, homeostasis maintenance and other physiological functions were ameliorated.
Dirac semimetal-enabled multi-bit coding metasurface for dynamic manipulation of terahertz beams
Zhang Yonggang,Yin Kehao,Liang Lanju,Yao Haiyun,Yan Xin,Hu Xiaofei,Huang Chengcheng,Qiu Fu,Zhang Rui,Li Yuanping,Wang Yaru,Li Zhenhua,Wang Ziqun 한국물리학회 2024 Current Applied Physics Vol.58 No.-
In this study, a switchable multi-bit coding metasurface that is applied under a terahertz (THz) frequency by adjusting the Fermi level (EF) of Dirac semimetals (DSMs) is proposed. At a EF of 0.2 eV, a 1-bit coding metasurface can be applied in the 2.58–2.62 THz. At 0.3 eV, a 3-bit coding metasurface is realized at 1.88 THz, and at 0.05 eV, the phase of the coding units coincides in the 1.5–3 THz. So, different functions of the metasurface can be realized. The proposed coding metasurfaces has promising applications in terahertz communication.