Patent ID: 8440148

Claim:
A microfluidic device comprising: a lower plate comprising: a storage chamber configured to receive a fluid comprising a material of interest, first and second guides disposed along first and second edges of the lower plate respectively, wherein the first edge and the second edge face each other, and a flow path disposed between the first and the second guides, wherein a bottom surface of the flow path is located lower than an upper surface of any of the first and the second guides, and wherein the flow path abuts the storage chamber; an upper plate upwardly spaced from the storage chamber and having a fluid injection hole; a detection part disposed in the flow path and configured to detect the material of interest; and a movable upper plate configured to move along the first and the second guides, wherein the movable upper plate is spaced apart from the bottom surface of the flow path so that the received fluid can fill a space between the movable upper plate and the bottom surface of the flow path.