(51) Int. Cl. B03C1102 (2006.01) C12M 1/00 (2006.01) (52) U.S. Cl. USPC ................... 210/222; 252/62.51 R; 422/68.1; 422/502; 422/504; 422/527; 435/287.2; 435/308.1; 436/526; 436/806 (58) Field of Classification Search USPC ........... 210/222; 252/62.51 R; 422/68.1, 502, 422/504, 527; 435/287.2, 308.1; 436/526, 436/806 See application file for complete search history. (1o) Patent No.: U...