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 device and microfluidic system with the device. The microfluidic device includes a substrate; a channel formed in the substrate and in which a fluid can move; a valve controlling flow of a fluid flowing along the channel and including a phase transition material which can be melted by energy such as electromagnetic wave energy; and a lens disposed on the substrate and adjusting an irradiating region of the valve, onto which the energy is applied.
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:
Provided is a biochemical analyzer in which a microfluidic biochemical assay may be performed. The analyzer includes: a microfluidic device loading space including a microfluidic device supporting unit detachably supporting a microfluidic device including an energy application region in which an energy is applied; an energy source loading space including an energy source applying the energy to the radiation application region; and an isolation wall isolating the microfluidic device loading space and the energy source loading space to prevent heat transfer between the microfluidic device loading space and the energy source loading space and including a window through which the energy can be transmitted. A method of controlling an internal temperature of the biochemical analyzer is also provided.
摘要:
Provided is a quantitative cell dispensing apparatus using liquid droplet manipulation, for quantitatively dispensing cells from hydrophilic suspension containing a plurality of cells. The quantitative cell dispensing apparatus includes hydrophilic suspension, a liquid droplet manipulation unit, a dispensing unit, a sensing unit, and a control unit. The hydrophilic suspension includes a plurality of cells and electrolyte, and the liquid droplet manipulation unit. The liquid droplet manipulation unit includes an inlet and a liquid droplet outlet portion. The dispensing unit discharges a liquid droplet received from the liquid droplet outlet portion to a target portion. The sensing unit optically senses liquid droplets distributed on a panel of the liquid droplet manipulation unit. The control unit analyses the number of cells contained in each liquid droplet using a single sensed by the sensing unit, and controls the liquid droplet manipulation unit to transfer a liquid droplet containing a predetermined number of cells to the liquid droplet outlet portion.
摘要:
A droplet printing apparatus using capillary electric charge concentration includes a reservoir which contains a solution, a capillary nozzle comprising a back-end part and a front-end part disposed substantially opposite the back-end part, a target member spaced apart from the front-end part of the capillary nozzle at a predetermined distance, and a voltage supplier which supplies a voltage to the solution, wherein the back-end part is immersed in the solution and transmits the solution to the front-end part.
摘要:
Provided are an optical detection apparatus, a microfluidic system including the same, and an optical detection method. The optical detection apparatus including: at least one light emission unit which emits light of a predetermined wavelength band; at least one light receiving unit which is disposed such that the light receiving unit receives the light emitted from the light emission unit and generates an electrical signal according to the intensity of the light received, wherein the number of light receiving units is the same as the number of light emission units; a rotation operating unit which rotates a disk-type microfluidic apparatus comprising at least one detection chamber in which a sample is to be loaded such that the detection chamber is disposed in a light pathway between the light emission unit and the light receiving unit; and a processor which measures a property of the sample contained in the detection chamber using the electrical signal generated by the light receiving unit.
摘要:
A microfluidic apparatus having a substrate including a channel through which a fluid is conveyed, a fluid container in which at least one kind of fluid is accommodated and which is disposed on the substrate so as to allow the fluid to flow toward the channel, and a fluid flow controller which controls a flow of the fluid toward the channel from the fluid container.
摘要:
Provided are a pump unit and a centrifugal microfluidic system including the pump unit. The pump unit includes a gas generating agent. The gas generating agent includes a plurality of heating particles generating heat by absorbing energy and one of a sublimation material, azide, and azo compound mixed with the heating particles. When energy is supplied to the gas generating agent, the gas generating agent generates gas due to heat emitted from the heating particles to increase an air pressure around the gas generation agent so that the fluid is moved by the increased air pressure.
摘要:
Provided are a valve unit and a reaction apparatus having the valve unit. The valve unit includes a phase transition material, which melts and expands upon an application of the electromagnetic waves to the valve filler, and the valve filler is directed into the channel through the connection passage and closes the channel. The valve unit also includes heat generation particles, which are dispersed in the phase transition material and generate heat upon an application of electromagnetic wave energy.