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The high conductance, calcium-activated potassium (MaxiK) channel is widely expressed among mammalian tissues. The activity of the channel is increased by membrane depolarization and by increases in intracellular calcium concentration. The channel is assembled in the membrane as a homotetramer of...

El canal de potasio activado por calcio de alta conductancia MaxiK está presente en casi todos los tejidos de mamíferos. La actividad del canal aumenta con incrementos del calcio intracelular y la despolarización de la membrana celular. El canal se forma como un homotetrámero de su subunidad α –u...

In this work we show how could have been formed intermediate mass black holes in the early Universe through stellar collisions between the first stars of the Universe that formed part of dense stellar clusters. Our work focuses on studying the first star clusters, formed by population III stars w...