Abstract:
Disclosed is a PCR module in which a sample can be injected using the capillary effect. The PCR module comprises: a microfluidic chamber which includes an inlet part for inputting a sample and is manufactured by injection molding; a well array which is disposed on the lower surface of the microfluidic chamber and includes a plurality of micro-wells of which the upper and lower portions are perforated; and a capillary member providing a path so that the sample input through the inlet part reaches the micro-wells through the capillary effect. When moving a PCR solution to a reaction space using the capillary effect and filling the reaction space with the solution, it is possible to prevent air pockets from forming in the corners or edge regions of the well array which is the reaction space. Accordingly, it is possible to prevent errors caused by air pockets from occurring in PCR test results. In addition, since the well array is located on a CMOS photosensor array, PCR reactions can be measured in real time.
Abstract:
A polymerase chain reaction (PCR) module is detachably combined with a reader system. The reader system includes a central processing unit (CPU) receiving a photo sensing signal to calculate gene amplification amount in real time and generating a temperature control signal based on a temperature signal and a temperature control information. The PCR module includes a photo sensor assembly, a partition wall, and an interface module. The photo sensor assembly includes a plurality of photo sensors and a temperature sensor. The photo sensors are arranged in an array shape to sense emission light generated from a specimen to generate the photo sensing signal. The partition wall is protruded from the photo sensor assembly to define a reaction space in which the specimen is received. The interface module is electrically connected to the photo sensor assembly to transmit the photo sensing signal and the temperature signal to the reader system.
Abstract:
A polymerase chain reaction (PCR) module is detachably combined with a reader system. The reader system includes a central processing unit (CPU) receiving a photo sensing signal to calculate gene amplification amount in real time and generating a temperature control signal based on a temperature signal and a temperature control information. The PCR module includes a photo sensor assembly, a partition wall, and an interface module. The photo sensor assembly includes a plurality of photo sensors and a temperature sensor. The photo sensors are arranged in an array shape to sense emission light generated from a specimen to generate the photo sensing signal. The partition wall is protruded from the photo sensor assembly to define a reaction space in which the specimen is received. The interface module is electrically connected to the photo sensor assembly to transmit the photo sensing signal and the temperature signal to the reader system.
Abstract:
Disclosed is an in vitro diagnostic chip having multiple levels of hydrophilicity, which differentially controls the flow rates of a liquid sample and thus enables the liquid sample to be evenly distributed all the way to corner or edge regions of a reaction space. The in vitro diagnostic chip having multiple levels of hydrophilicity comprises: a well array comprising a plurality of wells; and a multi-hydrophilic coating layer coated on the well array and controlling the flow rates of a sample so as to be mutually different. The hydrophilic coating layer is formed on the well array so as to have high hydrophilicity in accordance with the center region of the well array, and to have low hydrophilicity in accordance with the peripheral region of the well array, and thus the formation of an air pocket in the reaction space may be blocked. Accordingly, the occurrence of an error caused by the air pocket in a PCR test result may be prevented.