Results 21 to 30 of about 28,983 (170)
28-Day Oral Chronic Toxicity Study of Arctigenin in Rats
Arctium lappa (burdock) is the most popular daily edible vegetable in China and Japan because of its general health tonic effects. Previous studies focused on the beneficial role of Arctigenin but neglected its potential side-effects and toxicities.
Yu-jun Tan +33 more
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Chirality with all broken mirror symmetries matters ubiquitously from DNA functionality, vine climbing, to the piezoelectricity of quartz crystals. Magnetic chirality means chirality in spin-ordered states or (atomic-scale or mesoscopic) spin textures ...
Sang-Wook Cheong, Xianghan Xu
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An oxidative 3-amination of indole derivatives using hypervalent iodine(III) and bissulfonimides, which proceeds via the formation of indolyl(aryl)iodonium imides, was developed.
Kazuhiro Watanabe, Katsuhiko Moriyama
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Cell-membrane glycerolipids exhibit a common structural backbone of asymmetric 1,2-diacyl-sn-glycerol bearing polar head groups in the sn-3 position. In this study, the possible effects of sn-3 head groups on the helical conformational property around ...
Yoshihiro Nishida +5 more
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Buckling of chiral elastic rings spanned by fluid films
We use variational method to examine buckling of chiral elastic rings spanned by fluid films. We find that the critical surface tension of the fluid film at which buckling occurs depends on the degree of chirality, regardless whether the ring possesses ...
Hoang Minh Tuan +2 more
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“Chiral” and “non-chiral” 3d Seiberg duality [PDF]
Abstract We propose a Seiberg duality for a 3d $$ \mathcal{N} $$ N = 2 Spin (7) gauge theory with F spinor matters. For F ≥ 6, the theory allows a magnetic dual description with an SU(F −4) gauge group. The matter content
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Cell Chirality Drives Left-Right Asymmetric Morphogenesis
Most macromolecules found in cells are chiral, meaning that they cannot be superimposed onto their mirror image. However, cells themselves can also be chiral, a subject that has received little attention until very recently.
Mikiko Inaki +2 more
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Enatioselective Rotation of Chiral Particles by Azimuthally Polarized Beams
The chirality‐dependent forces can offer new possibilities for passive optical separation and identification of chiral particles, which opens great opportunities to develop the technologies of pharmaceutics, chemicals, and biomedicine.
Manman Li +4 more
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Summary: The most efficient light-harvesting antennae found in nature, chlorosomes, are molecular tubular aggregates (TMAs) assembled by pigments without protein scaffolds.
Xinmeng Li +3 more
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© THE NOBEL FOUNDATION 1975 Nobel Lecture, December 12, 1975 by VLADIMIR PRELOG ETH, Laboratory of Organic Chemistry, Zürich ...
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