What does Kepler's third law imply about planetary motion? Planets further from the Sun orbit at a slower speed than planets closer to the Sun. A planet whose distance from the Sun is 3 A.U. would have an orbital period of how many Earth-years?
Specific IgE (sIgE) Blood Testing (previously and commonly referred to as RAST or ImmunoCAP testing): This test measures levels of specific IgE directed towards foods in the blood. The range, depending upon the laboratory techniques, can go from 0.10 kU/L to 100 kU/L.
Direct Anti-Human Globulin Test The direct antiglobulin test (DAT) or direct Coombsâ test detects the presence of antibody or complement fraction bound to RBCs in vivo. The test is simply performed by adding AHG or Coombsâ serum to washed patientâs RBCs and is illustrated in Figure 17.2.