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2-Arc-transitive metacyclic covers of complete graphs
Xu, Wenqin,Du, Shaofei,Kwak, Jin Ho,Xu, Mingyao Elsevier 2015 Journal of combinatorial theory. Series B Vol.111 No.-
<P><B>Abstract</B></P> <P>Regular covers of complete graphs whose fibre-preserving automorphism groups act 2-arc-transitively are investigated. Such covers have been classified when the covering transformation groups <I>K</I> are cyclic groups <SUB> Z d </SUB> for an integer d ≥ 2 , metacyclic abelian groups Z p 2 , or nonmetacyclic abelian groups Z p 3 for a prime <I>p</I> (see S.F. Du et al. (1998) [5] for the first two metacyclic group cases and see S.F. Du et al. (2005) [3] for the third nonmetacyclic group case). In this paper, a complete classification is achieved of all such covers when <I>K</I> is any metacyclic group.</P>
Mingyao Song,Zhengyang Duan,Ronggao Qin,Xiaojun Xu,Shuli Liu,Shumin Song,Mengjiao Zhang,Yue Li,Jiemei Shi 한국화학공학회 2019 Korean Journal of Chemical Engineering Vol.36 No.6
Xanthate-modified baker’s yeast (XMBY) was successfully synthesized by grafting xanthate groups onto the surface of baker’s yeast and was used for the simultaneous adsorption of cadmium (Cd2+) and methylene blue (MB) from aqueous solution. Scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) and Fourier transform infrared spectroscopy (FTIR) were used to characterize the synthesized adsorbent. The results indicated that the sulfur groups were successfully introduced onto the surface of the baker’s yeast and participated in the adsorption processes. The kinetic and isotherm data showed good correlations with the pseudo-second-order model and the Langmuir model, respectively. The equilibrium time and the maximum values obtained from the two models were 40 min, 239.8mg/g for Cd2+ and 300 min, 64.45mg/g for MB, respectively. The thermodynamic analysis (G<0, H>0, S>0) demonstrated that the adsorption processes of Cd2+ and MB onto the XMBY were endothermic and spontaneous. In the binary-component solution (Cd2+ and MB), the adsorption capacity for MB was almost unaffected by the presence of Cd2+ and interestingly, the adsorption capacity for Cd2+ increased in the presence of MB. Overall, these results indicated that XMBY could be a promising adsorbent for the treatment of wastewater containing both Cd2+ and MB.
Review : Alpha-Ketoglutarate: Physiological Functions and Applications
( Nan Wu ),( Mingyao Yang ),( Uma Gaur ),( Huailiang Xu ),( Yongfang Yao ),( Diyan Li ) 한국응용약물학회 2016 Biomolecules & Therapeutics(구 응용약물학회지) Vol.24 No.1
Alpha-ketoglutarate (AKG) is a key molecule in the Krebs cycle determining the overall rate of the citric acid cycle of the organism. It is a nitrogen scavenger and a source of glutamate and glutamine that stimulates protein synthesis and inhibits protein degradation in muscles. AKG as a precursor of glutamate and glutamine is a central metabolic fuel for cells of the gastrointestinal tract as well. AKG can decrease protein catabolism and increase protein synthesis to enhance bone tissue formation in the skeletal muscles and can be used in clinical applications. In addition to these health benefits, a recent study has shown that AKG can extend the lifespan of adult Caenorhabditis elegans by inhibiting ATP synthase and TOR. AKG not only extends lifespan, but also delays age-related disease. In this review, we will summarize the advances in AKG research field, in the content of its physiological functions and applications.
Alpha-Ketoglutarate: Physiological Functions and Applications
Wu, Nan,Yang, Mingyao,Gaur, Uma,Xu, Huailiang,Yao, Yongfang,Li, Diyan The Korean Society of Applied Pharmacology 2016 Biomolecules & Therapeutics(구 응용약물학회지) Vol.24 No.1
Alpha-ketoglutarate (AKG) is a key molecule in the Krebs cycle determining the overall rate of the citric acid cycle of the organism. It is a nitrogen scavenger and a source of glutamate and glutamine that stimulates protein synthesis and inhibits protein degradation in muscles. AKG as a precursor of glutamate and glutamine is a central metabolic fuel for cells of the gastrointestinal tract as well. AKG can decrease protein catabolism and increase protein synthesis to enhance bone tissue formation in the skeletal muscles and can be used in clinical applications. In addition to these health benefits, a recent study has shown that AKG can extend the lifespan of adult Caenorhabditis elegans by inhibiting ATP synthase and TOR. AKG not only extends lifespan, but also delays age-related disease. In this review, we will summarize the advances in AKG research field, in the content of its physiological functions and applications.
FINITE GROUPS WHICH HAVE MANY NORMAL SUBGROUPS
Zhang, Qinhai,Guo, Xiaoqiang,Qu, Haipeng,Xu, Mingyao Korean Mathematical Society 2009 대한수학회지 Vol.46 No.6
In this paper we classify finite groups whose nonnormal subgroups are of order p or pq, where p, q are primes. As a by-product, we also classify the finite groups in which all nonnormal subgroups are cyclic.
Finite groups which have many normal subgroups
Qinhai Zhang,Xiaoqiang Guo,Haipeng Qu,Mingyao Xu 대한수학회 2009 대한수학회지 Vol.46 No.6
In this paper we classify finite groups whose nonnormal subgroups are of order p or pq, where p, q are primes. As a by-product, we also classify the finite groups in which all nonnormal subgroups are cyclic. In this paper we classify finite groups whose nonnormal subgroups are of order p or pq, where p, q are primes. As a by-product, we also classify the finite groups in which all nonnormal subgroups are cyclic.