نتایج جستجو برای: cyclic diarylheptanoid

تعداد نتایج: 98430  

‎In this paper‎, ‎we propose two iterative methods for finding a common solution of a finite family of equilibrium problems ‎for pseudomonotone bifunctions‎. ‎The first is a parallel hybrid extragradient-cutting algorithm which is extended from the‎ ‎previously known one for variational inequalities to equilibrium problems‎. ‎The second is a new cyclic hybrid‎ ‎extragradient-cutting algorithm‎....

In this paper, we classify the skew cyclic codes over Fp + vF_p + v^2F_p, where p is a prime number and v^3 = v. Each skew cyclic code is a F_p+vF_p+v^2F_p-submodule of the (F_p+vF_p+v^2F_p)[x;alpha], where v^3 = v and alpha(v) = -v. Also, we give an explicit forms for the generator of these codes. Moreover, an algorithm of encoding and decoding for these codes is presented.

Journal: :Journal of bacteriology 1982
P J van Haastert F J Pasveer R C van der Meer P R van der Heijden H van Walsum T M Konijn

Chemotactic stimulation of vegetative or aggregative Dictyostelium discoideum cells induced a transient elevation of cyclic GMP levels. The addition of chemoattractants to postvegetative cells by pulsing induced phosphodiesterase activity. The following lines of evidence suggest a messenger function for cyclic GMP in the induction of phosphodiesterase: (i) Folic acid and cyclic AMP increased cy...

M Hajialilue Bonab M Khalili Noutash R Dabiri,

The liquefaction resistance of soil can be evaluated using laboratory tests such as cyclic simple shear, cyclic triaxial, cyclic torsional shear as well as field methods like Standard Penetration Test (SPT), Cone Penetration Test (CPT) and Shear Wave Velocity (Vs). In this regard, this study attempts to compare the results of the SPT based on the simplified procedure proposed by Seed and Idriss...

Journal: :Journal of Clinical Biochemistry and Nutrition 2009
Sun-Oh Jeong Gi-Su Oh Hun-Yong Ha Bon Soon Koo Hak Sung Kim Youn-Chul Kim Eun-Cheol Kim Kang-Min Lee Hun-Taeg Chung Hyun-Ock Pae

Curcumin [1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione] induces heme oxygenase-1 (HO-1) expression via activation of the nuclear factor-erythroid-2-related factor 2 (Nrf2), whereas tetrahydrocurcumin [1,7-bis(4-hydroxy-3-methoxyphenyl)-3,5-heptanedione], one of curcumin in vivo metabolites, has no effect on HO-1 expression and Nrf2 activation. The aim of this study was to investi...

2016
Shan Yuan Yanhua Huang Sijia Liu Cong Guan Xin Cui Danyang Tian Yunwei Zhang Fuyu Yang

Melatonin serves important functions in the promotion of growth and anti-stress regulation by efficient radical scavenging and regulation of antioxidant enzyme activity in various plants. To investigate its regulatory roles and metabolism pathways, the transcriptomic profile of overexpressing the ovine arylalkylamine N-acetyltransferase (oAANAT) gene, encoding the penultimate enzyme in melatoni...

2014
Ali M. El-Halawany Riham Salah El Dine Nesrine S. El Sayed Masao Hattori

Aframomum melegueta is a commonly used African spice. Through a hepatoprotective bioassay-guided isolation, the chloroform fraction of A.melegueta seeds yielded one new diarylheptanoid named 3-(S)-acetyl-1-(4'-hydroxy-3', 5'-di methoxyphenyl)-7-(3″,4″, 5″-trihydroxyphenyl)heptane (1), and two new hydroxyphenylalkanones, [8]-dehydrogingerdione (2) and [6]-dehydroparadol (3), in addition to six k...

Journal: :European Journal of Combinatorics 1989

2007
ROBERT THOMAS

Over twenty phenalenones and related compounds have been isolated from fungi and from higher plants. The route of biosynthesis of the compounds isolated from fungi is however quite different from that of the phenalenones produced by green plants. The fungal phenalenones atrovenetin, herqueinone and norherqueinone are typical acetate-derived polyketides, the biosynthetic interrelationships of wh...

2017
Ga-Young Choi Hyun-Bum Kim Eun-Sang Hwang Seok Lee Min-Ji Kim Ji-Young Choi Sung-Ok Lee Sang-Seong Kim Ji-Ho Park

Curcumin is a major diarylheptanoid component of Curcuma longa with traditional usage for anxiety and depression. It has been known for the anti-inflammatory, antistress, and neurotropic effects. Here we examined curcumin effect in neural plasticity and cell viability. 60-channel multielectrode array was applied on organotypic hippocampal slice cultures (OHSCs) to monitor the effect of 10 μM cu...

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