摘要:
A centrifugal force-based microfluidic device for the detection of a target biomolecule and a microfluidic system including the same are provided. The device includes a body of revolution; a microfluidic structure disposed in the body of revolution including chambers, channels connecting the chambers, and valves disposed in the channels to control fluid flow, the microfluidic structures transmitting fluid using centrifugal force due to rotation of the body of revolution; and beads disposed in the microfluidic structures, the beads having capture probes on the surfaces thereof which are selectively bonded with target protein; and a detection probe disposed in the microfluidic structures and selectively bonded to the target protein, and which includes a material required to express an optical signal, wherein the microfluidic structure mixes the beads, biological samples, and the detection probe to react and washes and separates the beads after the reaction.
摘要:
Provided is a rotatable microfluidic device for conducting simultaneously two or more assays. The device includes a platform which can be rotated, a first unit which is disposed at one portion of the platform and detects a target material from a sample using surface on which a capture probe selectively binds to the target material is attached, and a second unit which is disposed at another portion of the platform and detects a target material included in the sample by a different reaction from the reaction conducted in the first unit.
摘要:
Provided is a method of mixing fluids including introducing at least two kinds of fluids to a chamber of a substrate including a microchannel structure; and alternately rotating the substrate clockwise and counter-clockwise until the at least two kinds of fluids are mixed, wherein the rotation is changed from one direction to the opposite direction before a vortex created in the mixing chamber by the one direction rotation disappears.
摘要:
Provided are a magnetic microparticle separation device for separating and purifying target biomolecules and a microfluidic system using the device. The device includes a magnetic microparticle, a chamber to receive a buffer, a channel including an inlet, outlet and a connecting portion which is connected to and fluid communicates with the chamber, wherein a fluid sample containing the target biomolecules and magnetic microparticle flows through the channel and the magnetic microparticle which captures the target biomolecules are separated from the fluid sample.
摘要:
Provided are an optical system for analyzing multi-channel samples which uses a mirror rotating at high speeds and an aspherical mirror, and a multi-channel sample analyzer employing the optical system. The optical system for analyzing multi-channel samples, includes a light source unit which emits light traveling along an optical axis; a semi-spheroid aspherical mirror disposed in rotational symmetry about the optical axis; and an inclined mirror which reflects the light exiting the light source unit to the semi-spheroid aspherical mirror, while rotating about the optical axis, wherein an opening is formed in the center of the semi-spheroid aspherical mirror such that the light exiting the light source unit enters the inclined mirror through the semi-spheroid aspherical mirror.
摘要:
Provided are a microfluidic device for separating polarizable analytes via dielectrophoresis, the device including: a microchannel including a membrane having nano- to micro-sized pores; at lest two electrodes generating a spaciously non-uniform electric field in the nano- to micro-sized pores when an AC voltage is applied; and a power source applying the AC voltage to the electrodes, and a method of separating polarizable target materials using the device.
摘要:
A dielectrophoresis (DEP) apparatus including a concentration gradient generating unit, a method of separating a target material in a sample solution using the DEP apparatus, and a method of screening the optimum condition for separating a target material are provided.
摘要:
Provided are an automatic analyzing method and apparatus for a microfludic system. The apparatus includes means for recognizing a disc or chip in the microfludic system, performs an operation and detection by automatically loading a DB according to a recognized type, and perform quantization of a test.
摘要:
A centrifugal force-based microfluidic device for nucleic acid extraction and a microfluidic system are provided. The microfluidic device includes a body of revolution; a microfluidic structure disposed in the body of revolution, the microfluidic structure including a plurality of chambers, channels connecting the chambers, and valves disposed in the channels to control fluid flow, the microfluidic structure transmitting the fluid using centrifugal force due to rotation of the body of revolution; and magnetic beads contained in one of the chambers which collect a target material from a biomaterial sample flowing into the chamber, wherein the microfluidic structure washes the magnetic beads which collect the target material, and separates nucleic acid by electromagnetic wave irradiation from an external energy source to the magnetic beads. The microfluidic system includes the microfluidic device; a rotation operating unit which rotates the body of revolution; and an external energy source which irradiates electromagnetic waves.
摘要:
Provided is a rotatable microfluidic device for conducting simultaneously two or more assays. The device includes a platform which can be rotated, a first unit which is disposed at one portion of the platform and detects a target material from a sample using surface on which a capture probe selectively binds to the target material is attached, and a second unit which is disposed at another portion of the platform and detects a target material included in the sample by a different reaction from the reaction conducted in the first unit.