摘要:
Disclosed is a microfluidic device including a microfluidic structure formed in a platform in which various examinations, such as an immune serum examination, can be automatically performed using the biomolecule microarray chip. The biomolecule microarray chip-type microfluidic device using a biomolecule microarray chip comprises: a platform which is rotatable; a microfluidic structure disposed in the platform, comprising: a plurality of chambers; a plurality of channels connecting the chambers each other; and a plurality of valves controlling flow of fluids through the channels, wherein the microfluidic structure controls flow of a fluid sample using rotation of the platform and the valves; and a biomolecule microarray chip mounted in the platform such that biomolecule capture probes bound to the biomolecule microarray chip contact the fluid sample in the microfluidic structure.
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.
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:
Disclosed is a microfluidic device including a microfluidic structure formed in a platform in which various examinations, such as an immune serum examination, can be automatically performed using the biomolecule microarray chip. The biomolecule microarray chip-type microfluidic device using a biomolecule microarray chip comprises: a platform which is rotatable; a microfluidic structure disposed in the platform, comprising: a plurality of chambers; a plurality of channels connecting the chambers each other; and a plurality of valves controlling flow of fluids through the channels, wherein the microfluidic structure controls flow of a fluid sample using rotation of the platform and the valves; and a biomolecule microarray chip mounted in the platform such that biomolecule capture probes bound to the biomolecule microarray chip contact the fluid sample in the microfluidic structure.
摘要:
Provided is a microfluidic valve, a method of manufacturing the microfluidic valve, and a microfluidic device that employs the microfluidic valve. The microfluidic valve includes a platform that includes two substrates combined facing each other; a channel having a first depth allowing a fluid to flow between the two substrates; a valve gap that is disposed on at least a region of the channel and has a second depth which is smaller than the first depth; and a valve plug that is disposed to fill the valve gap and is formed of a valve material made by mixing a phase change material, which is solid at room temperature, with a plurality of exothermic particles that emit an amount of heat sufficient to melt the phase change material by absorbing electromagnetic waves.
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 microfluidic valve, a method of manufacturing the microfluidic valve, and a microfluidic device that employs the microfluidic valve. The microfluidic valve includes a platform that includes two substrates combined facing each other; a channel having a first depth allowing a fluid to flow between the two substrates; a valve gap that is disposed on at least a region of the channel and has a second depth which is smaller than the first depth; and a valve plug that is disposed to fill the valve gap and is formed of a valve material made by mixing a phase change material, which is solid at room temperature, with a plurality of exothermic particles that emit an amount of heat sufficient to melt the phase change material by absorbing electromagnetic waves.
摘要:
A centrifugal force based microfluidic device including a thermal activation unit, a microfluidic system including the same, and a method of operating the microfluidic system are provided. The thermal activation unit accompanies a temperature change in order to carry out its functions and having heat generation particles that absorb electromagnetic waves and generate heat in the activation unit therein.