Patent ID: 8828334

Claim:
A chip for detecting analytes in fluids, the chip comprising: a sample inlet extending outside of the chip; and a sample outlet extending outside of the chip, wherein the chip has a structure where the sample inlet and the sample outlet communicate with each other through a module, the module comprising: a sample injecting part for injecting a sample fluid; a filtering zone configured to remove noise materials from the sample fluid, the filtering zone having a height lower than that of the noise materials; and a reaction zone arranged to perform a reaction to detect the analytes in the sample fluid, wherein the filtering zone and the reaction zone are included in a closed microchannel, through which the sample fluid moves due to capillary floating, wherein an expanding part, which has an expanded space having a sectional area larger than a sectional area of the microchannel, is formed at a part or whole part of each inner wall of both sides of the microchannel of the module.