A method and system for desulfurizing flue gas in which desulfurization is effected by bringing absorbent slurry containing limestone into contact with flue gas. The medium allows for the first time the ability to perform cytology and direct molecular analysis on cells preserved in a single sample. One or more parameters for controlling the automated play mode may be determined based on player input andor data or a program stored in the gaming device andor data or a program stored in a controller in communication with the gaming device.