There is provided a biosensor in which a spacer 6 having a cutout portion is bonded between at least first support 1 and a second support 8 to form a specimen supply path 7 through which a supplied specimen is sucked into a space between the supports 1 and 8, a reagent that reacts with a component in...http://www.google.com/patents/US20050239194?utm_source=gb-gplus-sharePatent US20050239194 - Biosensor