A humoral testing apparatus in which a measuring light is irradiated to a reagent area forming a color as a result of a reaction and an optical density of the reagent area is detected by a detecting operation of light intensity of the reflected light. The method may include heat treating a substrate coated with at least a transparent conductive oxide layer and an overlying film. The image processing section has at least one of an alignment adjustment section, a resolution restoration section, and a shading correction section and has a stitching section. A screen can be affixed over the exterior surface of the air filter. Such molecularly imprinted polymers are also useful in methods of treating and manufacturing tobacco products and materials. A first process combines ex situ wet chemistry conditioning of an epitaxially grown graphene sample with an in situ pulsing sequence in the ALD reactor.