the lab is a large labyrinthen place bustling with technicians and chemists and housing rows of machine, easy enough for them to lift in which the blood is placed. what exactly happens in the machine is treated as the state secret, and holmes' description of the process was vague. >> a chemistry is performed, so a chemical reaction performs and generates a signal from the chemical interaction of the sample which is then translated into a result. >> which is then reviewed by a certified laboratory personnel, end quote. she added that, thanks to, quote -- >> miniaturization and associated automation that we are able to handle these tiny samples.