منابع مشابه
Antagonism between Alkaloids and Salts in Relation to Permeability
Certain alkaloids which decrease permeability are able to antagonize NaCl. In this respect they resemble salts which decrease permeability, for it has been shown that such salts antagonize NaCl.
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The behavior of the cell depends to a large extent on the permeability of the outer non-aqueous surface layer of the protoplasm. This layer is immiscible with water but may be quite permeable to it. It seems possible that a reversible increase or decrease in permeability may be due to a corresponding increase or decrease in the water content of the non-aqueous surface layer. Irreversible increa...
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On the occasion of its opening in 2002, the Palais de Tokyo immediately struck the visitor as different from other contemporary art venues that had recently opened in Europe. Although a budget of 4.75 million euros was spent on converting the former Japanese pavilion for the 1937 World’s Fair into a “site for contemporary creation,” most of this money had been used to reinforce (rather than ren...
متن کاملArg-Leu-Tyr-Glu tetrapeptide inhibits tumor progression by suppressing angiogenesis and vascular permeability via VEGF receptor-2 antagonism
The tetrapeptide Arg-Leu-Tyr-Glu (RLYE) is known to inhibit vascular endothelial growth factor-A (VEGF-A)-induced angiogenesis in vitro. Herein, we examined its underlying mechanism and antitumor activity associated with vascular remodeling. RLYE inhibited VEGF-A-induced angiogenesis in a mouse model and suppressed VEGF-A-induced angiogenic signal cascades in human endothelial cells. However, R...
متن کاملCommunity and Class Antagonism·
We investigate how vertical unity within a community interacts with horizontal class divisions of an unequal income distribution. Community is conceptualized in terms of a public good to which all those in the community have equal access, but from which outsiders are excluded. We formulate the idea of redistributive tension, or class antagonism, in terms of the costs that poorer individuals wou...
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ژورنال
عنوان ژورنال: Science
سال: 1917
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.45.1153.97