Abstract: The invention discloses a liquid quantifying device which comprises a base body and a liquid quantifying area arranged on the base body; the liquid quantifying area is provided with a preset volume, two ends of the liquid quantifying area are respectively provided with a liquid quantitative inlet and a liquid quantitative outlet, the liquid flows into the liquid quantifying area from the liquid quantitative inlet and reaches the liquid quantitative outlet after the liquid quantifying area is filled; and a liquid identification device is arranged at a relevant position of the liquid quantitative outlet and used for identifying the liquid reaching the liquid quantitative outlet. The invention also discloses a use of the liquid quantifying device in a microfluidic chip. The invention can improve the accuracy of quantification and detection.

Abstract: The present invention discloses a micro-fluidic chip, comprising a chip main body, a sample inlet, an air inlet, a liquid driving force inlet, an air sublet, a main fluid channel and multiple functional chambers provided on the chip main body; the main fluid channel communicates with the multiple functional chambers, and the liquid driving force inlet is used to connect a liquid driving device capable of driving liquid to flow in the main fluid channel and the multiple functional chambers; the micro-fluidic chip of the present invention identifies, positions and quantifies a liquid sample by means of a specific liquid quantification chamber, thereby decreasing chip manufacturing process difficulty, and increasing quantification accuracy, and is particularly suitable for quantification and testing of whole blood samples.

Abstract: The invention discloses a liquid quantifying device which comprises a base body and a liquid quantifying area arranged on the base body; the liquid quantifying area is provided with a preset volume, two ends of the liquid quantifying area are respectively provided with a liquid quantitative inlet and a liquid quantitative outlet, the liquid flows into the liquid quantifying area from the liquid quantitative inlet and reaches the liquid quantitative outlet after the liquid quantifying area is filled; and a liquid identification device is arranged at a relevant position of the liquid quantitative outlet and used for identifying the liquid reaching the liquid quantitative outlet. The invention also discloses a use of the liquid quantifying device in a microfluidic chip. The invention can improve the accuracy of quantification and detection.

Abstract: The present invention discloses a micro-fluidic chip, comprising a chip main body, a sample inlet, a liquid driving force inlet, a main fluid channel and multiple functional chambers provided on the chip main body. The micro-fluidic chip of the present invention identifies, positions and quantifies a liquid by means of a specific liquid quantification chamber, thereby decreasing chip manufacturing process difficulty, and increasing quantification accuracy.