Low-temperature thermoelectric and magnetic characteristics of Ca2.9Bi0.1Co4-xFexO9+δ (0 ≤ x ≤ 0.10) Thermoelectric and magnetic properties of Ca3Co4-xCuxO9+ δ with x = 0.00, 0.05, 0.07, 0.10 and 0.15 Visualizing and quantifying difference in cytoplasmic and nuclear metabolism in the hepatoliary system in vivo