摘要:
Provided are a method and kit for isolating a target cell by using particles comprising polymers having positive charge and negative charge and at least one antibody bound to polymers. The target cell in the biological sample may be efficiently isolated and detected by using a method and kit according to an exemplary embodiment.
摘要:
Provided are a method and kit for isolating a target cell by using particles comprising polymers having positive charge and negative charge and at least one antibody bound to polymers. The target cell in the biological sample may be efficiently isolated and detected by using a method and kit according to an exemplary embodiment.
摘要:
Provided are an apparatus and a method of controlling a microfluidic system, and the microfluidic system. The apparatus of controlling the microfluidic system includes a central control block controlling an operation of the microfluidic system, a rotator control block controlling a rotator, a position control block controlling the position of a moving unit, the moving unit moving to a position of the microfluidic structure, and a radiation energy source control block controlling energy of a radiation energy source, the radiation energy source using an electromagnetic wave to scan over a position of the microfluidic structure. Such a configuration allows effective control of a miniaturized portable microfluidic system.
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 are a centrifugal force based microfluidic device which can automatically perform a dilution operation and a microfluidic system including the same. The centrifugal force based microfluidic device for dilution includes a rotatable disk type platform, a mixing chamber disposed on the platform; a buffer solution storage disposed on a portion of the platform which is closer to a center of the platform than the mixing chamber, connected to the mixing chamber through a channel to supply a predetermined amount of buffer solution to the mixing chamber at least one time, and a plurality of diluted solution chambers which are disposed on a portion of the platform which is farther from the center of the platform than the mixing chamber, are each connected to the mixing chamber through flow paths extended from a middle exit corresponding to a predetermined water level, and sequentially receiving a solution which is serially diluted in the mixing chamber at least one time.
摘要:
Provided is a method for concentrating and disrupting cells or viruses, the method employs magnetic particles which are capable of binding the cells or viruses to capture the cells or viruses and a laser to disrupt the cells or viruses. Since the same particles are used in target cell separation and cell lysis, there is no need to add additional particles in a laser lysis process, and thus integration of a target cell separation, concentration, purification, and nucleic acid extraction process is easy.
摘要:
A cell separation device includes a channel or chamber in which a sample flows or moves, the sample including target cells marked with magnetic particles, and non-target cells, and a magnet which generates a magnetic first force in a first direction with respect to the sample within the channel or chamber. The channel or chamber of the cell separation device is applied with a second force in a second direction opposite to the first direction of the magnetic force. According to the cell separation device and a method of separating cells, the target cells move in the first direction by the magnetic force, and the non-target cells move in the second direction by the second force, by simultaneously applying the magnetic force and the second force in opposing directions, thereby separating the target cells from the non-target cells.
摘要:
A device, system, and method for detecting or separating target molecules allowing efficient detection even when only a small amount of target molecules or target cells are included in a sample involving the use of a target molecule linkage portion, a signal production portion, and first and second separation portions.
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:
A centrifugal micro fluidic system and a centrifugal magnetic position control device used in the centrifugal micro fluidic system for controlling the position of magnetic beads are provided. The centrifugal micro fluidic system comprising, a rotatable platform; a micro fluidic structure which is disposed in the platform; and a plurality of objects which include functional groups on surfaces thereof so as to capture a target material from the fluid and carry the target material while being suspended in and separated from the fluid in the micro fluidic structure, wherein the movements of the objects are controlled by a force affecting the objects differently compared to the force's effect on the fluid. When the objects are made of a magnetic material, the force may be a magnetic force applied by the centrifugal magnetic position control device.