El escenario social actual, la situación de emergencia sanitaria, y el desafío alfabetizar científicamente a nuestros/as estudiantes, requiere del trabajo colaborativo entre pares reflexión constante sobre sentido educar en ciencias. Las reuniones ICEC-PUCV, han sido una oportunidad aprendizaje comunicación colaborativa, todos las los docentes que participan cada reunión. En esas Comunidades IC...

The effect of oxidants, electrophiles, and NO donors in rat or human erythrocytes was analyzed to investigate the influence of protein sulfhydryl groups on the metabolism of these thiol reactants. Oxidant-evoked alterations in thiolic homeostasis were significantly different in the two models; large amounts of glutathione protein mixed disulfides were produced in rat but not in human erythrocyt...

Forty-five minutes after intraperitoneal injection of a single dose (100 milligrams per kilogram) of L-dihydroxyphenylalanine, the concentration of S-adenosylmethionine in rat brain was lowered by 76 percent. As little as 10 milligrams of L-dihydroxyphenylalanine per kilogram decreased content of S-adenosylmethionine in the adrenal medulla by 51 percent, whereas 100 milligrams per kilogram did ...