The first celebration of the U.S. Flag's birthday was held in 1877, on the 100th anniversary of the Flag Resolution of 1777. However, it is believed that the first annual recognition of the flag's ...
823101), and Anti-Flag M2 (Sigma-Aldrich, F1804). Western blot analysis was carried out using standard procedures. Protein levels of the purified γ-secretase enzyme and the C100 substrate were ...