Bodies not in contact in a vacuum have only the radiation mechanism for heat energy transfer. An obvious example is the Earth in space, receiving heat radiation from the Sun which is partly absorbed and partly reflected, and emitting heat radiation to space.
Aspartate Aminotransferase (AST). Guide. An aspartate aminotransferase (AST) test measures the amount of this enzyme in the blood. AST is normally found in red blood cells, liver, heart, muscle tissue, pancreas, and kidneys. AST formerly was called serum glutamic oxaloacetic transaminase (SGOT).
AST Blood Test. The blood test for AST or aspartate transaminase is a test to reveal injury to certain organs, specifically the liver.Aspartate transaminase is an enzyme that is responsible for the creation of glutamate and oxaloacetate.ST Blood Test. The blood test for AST or aspartate transaminase is a test to reveal injury to certain organs, specifically the liver.