Patent application number | Description | Published |
20090018032 | METHOD OF TREATING SURFACE OF SUBSTRATE USED IN BIOLOGICAL REACTION SYSTEM - Provided is a method of treating a surface of a substrate used in a biochemical reaction system, the method including forming a polymer film on the surface by vapor deposition of a compound of formula (1) below and a compound of formula (2) below: | 01-15-2009 |
20090064859 | 3-DIMENSIONAL AIR BUBBLE TRAPPING APPARATUS AND METHOD THEREOF - A 3-dimensional air bubble trapping apparatus includes a plurality of chambers, each having an inflow and outflow channel at both ends, and which traps air bubbles in a material introduced through the inflow channel, wherein the chambers are divided into a previous chamber and a next chamber based on a moving direction of the material in the chamber, and wherein the outflow channel of the previous chamber is connected to the inflow channel of the next chamber, and wherein a face perpendicular to an outflow direction of the material in the outflow channel of the previous chamber is not disposed parallel with a face perpendicular to the outflow direction of the material in the outflow channel of the next chamber, whereby air bubbles in the material are trapped without being affected by an angle defined by a gravity direction and vibration of the apparatus. | 03-12-2009 |
20090170119 | METHOD FOR AMPLIFYING VARIATION OF FREQUENCY OF SIGNAL IN PIEZOELECTRICAL BIOSENSOR - Provided is a method for amplifying a frequency variation of a detected signal in a biosensor that is used for detecting a biomolecule by measuring a change in frequency of an oscillating signal the change being caused by pressure a biomolecule applies to a piezoelectric substance. The method for amplifying a frequency variation of a detected signal comprises the steps of: (a) applying a sample to a probe being fixed to an upper portion of a substrate of the biosensor to allow a biomolecule in the sample to be bound to the probe; (b) applying, protein tagged with a metal particle to the biosensor to allow the protein, and the biomolecule to be bound with each other; and (c) applying a metal enhancer to the biosensor to allow the metal enhancer to be bound to the metal, particle having been bound to the protein | 07-02-2009 |
20100231308 | SURFACE ACOUSTIC WAVE SENSOR AND SENSING METHOD USING SURFACE ACOUSTIC WAVE - A surface acoustic wave (“SAW”) sensor includes; a first signal generator which generates a first signal having a predetermined frequency bandwidth using a pseudo random sequence, a second signal generator which generates a second signal with a predetermined frequency, a signal blender which blends the first signal with the second signal to generate a blended signal having the predetermined frequency bandwidth with the predetermined frequency as a center frequency, a wave generator which generates a surface acoustic wave using the blended signal, which converts the surface acoustic wave into a third signal after the surface acoustic wave travels a predetermined distance, and which outputs the third signal, and a signal detector which detects a change in the third signal from the wave generator to sense a substance bound to the wave generator. | 09-16-2010 |
20100314967 | SURFACE ACOUSTIC WAVE SENSOR DEVICE - Provided herein is a surface acoustic wave (SAW) sensor device including a surface acoustic wave sensor and an oscillator corresponding to the surface acoustic wave sensor. A horizontal plane defined by the oscillator is inclined at a predetermined angle with respect to a horizontal plane defined by the surface acoustic wave sensor. The predetermined angle is greater than zero degrees. | 12-16-2010 |
20100319439 | SURFACE ACOUSTIC WAVE SENSOR DEVICE AND METHOD OF CONTROLLING LIQUID USING THE SAME - A surface acoustic wave sensor device includes a main body and a liquid controller disposed external to the main body. The main body includes a sample chamber, a surface acoustic wave sensor connected to the sample chamber, a first disposal chamber connected to the surface acoustic wave sensor and channels connecting the sample chamber, the surface acoustic wave sensor and the first disposal chamber. The liquid controller controls flow of a sample through the main body. | 12-23-2010 |
20110053285 | SENSOR USING MASS ENHANCEMENT OF NANOPARTICLES - Provided herein is a method of detecting a biomolecule, which enhances a mass of the target biomolecule by irradiating light to a photocatalytic nanoparticle binding to the target biomolecule. Accordingly, the method can effectively detect a change in mass, and provide economical and rapid detection using a low-priced photocatalyst. | 03-03-2011 |
20110068656 | SURFACE ACOUSTIC WAVE SENSOR SYSTEM - A surface acoustic wave sensor system includes a base substrate, a piezoelectric substrate disposed on the base substrate, inter-digital transducer (IDT) electrodes disposed along a longitudinal direction on the piezoelectric substrate, each IDT electrode including an input inter-digital transducer and an output inter-digital transducer paired with and facing the input inter-digital transducer, each pair of input and output IDTs forming a surface acoustic wave unit sensor with the piezoelectric substrate, and connection electrodes disposed in the base substrate and electrically connected to the surface acoustic wave unit sensors. | 03-24-2011 |
20110073474 | SURFACE ACOUSTIC WAVE DEVICE AND SURFACE ACOUSTIC WAVE BIOSENSOR - A surface acoustic wave device, including: a piezoelectric substrate; an interdigitated transducer electrode disposed on the substrate; an oxide film disposed on surface of the interdigitated transducer electrode; and a hydrophobic film disposed on a surface of the oxide film. | 03-31-2011 |
20110111516 | SURFACE ACOUSTIC WAVE SENSOR SYSTEM FOR USING OSCILLATION METHOD AND SENSING METHOD USING THE SAME - Provided is a surface acoustic wave sensor system, in which multiplexers are connected to input and output terminals of a plurality of surface acoustic wave devices through one feedback loop, and thus one oscillation channel is configured. Such a surface acoustic wave sensor system can prevent errors caused by deviations between oscillators, and thus sensitivity and reproducibility can be improved. | 05-12-2011 |
20110196050 | ION EXCHANGEABLE MIXTURE AND METHOD OF PRODUCING THE SAME - An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms. | 08-11-2011 |
20110236992 | METHOD OF DETECTING A SPECIFIC NUCLEOPHILE AND SURFACE ACOUSTIC WAVE SENSOR FOR DETECTING THE SPECIFIC NUCLEOPHILE - Provided herein is a method of detecting the presence of a specific nucleophile, which uses a material Y degraded by nucleophilic substitution of reacting with a specific nucleophile X, and a material Z selectively binding to a material Y′ produced by the degradation. According to the method, the nucleophile X can be easily analyzed according to the bonding between the materials Y′ and Z. | 09-29-2011 |
20110256570 | METHOD AND KIT FOR POSITIVELY DETECTING TOXIC MATERIAL - A method of positively detecting toxic materials within a sample, the method including contacting sub-mitochondrial particles having competent mitochondrial enzymes formed from inner membranes of mitochondria, an electron donor which transmits electrons to an electron transfer system of the sub-mitochondrial particles and the sample, and forming reaction resultants, adjusting a pH of a pH indicator which change color according to a change in pH, adding the pH indicators to each reaction resultant and identifying color changes of the pH indicator. Also provided is a kit for positively detecting toxic materials within a sample. | 10-20-2011 |
20120000779 | SURFACE ACOUSTIC WAVE SENSOR DEVICE INCLUDING TARGET BIOMOLECULE ISOLATION COMPONENT - Provided herein is a surface acoustic wave (“SAW”) sensor device including an isolation component of a target biomolecule. A sample containing the target biomolecule is separated by its size using electrophoresis, and sequentially reacts with a SAW sensor. In other words, the device is capable of detecting the target biomolecule by separating biomolecules using electrophoresis, and applying the separated biomolecules to the SAW sensor. | 01-05-2012 |
20120015451 | FLUID SENSOR PREVENTING GENERATION OF AIR BUBBLES - Provided herein is a fluid sensor, which includes a closed reaction unit in which reaction of a fluid sample takes place. The reaction unit is tapered on a side through which the fluid is injected so as to prevent generation of air bubbles during the injection of the fluid. Thus, the sensor has improved sensitivity. | 01-19-2012 |
20120058546 | MULTIPLE SURFACE ACOUSTIC WAVE SENSOR SYSTEM - Provided is a multiple SAW sensor system capable of sensing a plurality of target materials in the SAW sensor with a single detector by using a multiplexer. According to the multiple SAW sensor system, the target materials in SAW sensors may be sensed with a single detector, thereby avoiding unnecessary power loss. Also, a plurality of target materials in a sample may be sensed, thereby reducing a waste of the sample. | 03-08-2012 |
20120105174 | SINGLE-INPUT MULTI-OUTPUT SURFACE ACOUSTIC WAVE DEVICE - A single-input multi-output surface acoustic wave (“SAW”) device contains two or more output inter-digital transducers (“IDTs”) arranged in a longitudinal direction of a single input IDT. The detection sensitivity and reliability of the SAW device may be improved by eliminating the deviation and signal interference between multiple input IDTs. | 05-03-2012 |
20120178178 | BIOSENSOR CARTRIDGE - A biosensor cartridge includes a plasma separator, a plasma metering chamber, a mixer, and a biosensor. | 07-12-2012 |
20120208290 | METHOD FOR ENHANCING MASS OF GOLD NANOPARTICLE THROUGH LIGHT-IRRADIATION, METHOD AND SENSOR FOR DETECTING MOLECULAR BINDING USING THE METHOD FOR ENHANCING MASS - Provided are a sensor for detecting molecular binding by increasing the mass of a gold nanoparticle through light-irradiation and a method thereof. In the method, light-irradiation increases the size of gold nanoparticles without using a reducing agent, to enhance the mass. Accordingly, selectivity may be improved, and the sensitivity of detection may be improved due to a change in various properties of a gold nanoparticle. | 08-16-2012 |
20120266664 | SURFACE ACOUSTIC WAVE SENSOR DEVICE AND METHOD OF CONTROLLING LIQUID USING THE SAME - A surface acoustic wave sensor device includes a main body and a liquid controller disposed external to the main body. The main body includes a sample chamber, a surface acoustic wave sensor connected to the sample chamber, a first disposal chamber connected to the surface acoustic wave sensor and channels connecting the sample chamber, the surface acoustic wave sensor and the first disposal chamber. The liquid controller controls flow of a sample through the main body. | 10-25-2012 |
20120329891 | ION EXCHANGEABLE MIXTURE AND METHOD OF PRODUCING THE SAME - An ion exchangeable mixture containing a polymeric compound consisting of an ion exchange resin, an acrylamide mixture containing at least one bisacrylamide and at least one acrylamide, and a copolymer obtained by reacting the polymeric compound with the acrylamide mixture, and a method of producing the same are provided. The ion exchangeable membrane produced by using the ion exchangeable mixture has significantly smaller electric resistance than conventional ion exchangeable membranes, and has excellent selective permeability because the ion exchangeable membrane is electrically charged. The ion exchangeable membrane can be produced under very mild production conditions, and thus can be produced very easily. Furthermore, the ion exchangeable membrane can be also formed into film during a crosslinking reaction in a solvent of water, and thus is advantageous in that the ion exchangeable membrane can be freely produced into desired sizes, shapes and forms. | 12-27-2012 |
20130004385 | MICROFLUIDIC CHANNEL FOR REMOVING BUBBLES IN FLUID - A microfluidic channel for effectively removing a gas from a fluid, and microfluidic apparatus including the same are provided. The microfluidic channel includes a first channel having a uniform cross-sectional area, and a second channel connected to the first channel and having a gradually expanded cross-sectional area. | 01-03-2013 |
20130009517 | SURFACE ACOUSTIC WAVE SENSOR SYSTEM AND MEASUREMENT METHOD USING MULTIPLE-TRANSIT-ECHO WAVE - A surface acoustic wave (“SAW”) sensor system comprises a signal generating part, which applies an electrical signal to a SAW sensor, the SAW sensor connected to the signal generating part, which converts the electrical signal into a SAW, senses a measurement target using the SAW, and converts a SAW output corresponding to the measurement target into an electrical signal, and a signal measuring part connected to one side of the SAW sensor, which detects a change in the electrical signal by time-gating a multiple-transit-echo wave. | 01-10-2013 |
20130115632 | HIGHLY SENSITIVE METHOD FOR ASSAYING TROPONIN I - A highly sensitive method of assaying an analyte present in a sample using protamine is provided, as well as an immunoassay reagent and biosensor that reduces non-specific binding by electrostatic interaction of protamine with fibrinogen present in the sample. | 05-09-2013 |
20130139599 | APPARATUS AND METHOD FOR MEASURING SIGNAL USING SINC FUNCTION - This disclosure describes an apparatus for sensing a target using a sinc function, a surface acoustic wave (SAW) sensor system including the same, and a method of measuring a target using a sinc function. The apparatus for measuring a target using the sinc function may measure an output signal from a SAW sensor with high precision and reliability. | 06-06-2013 |
20130156644 | INTEGRATED MICROFLUIDIC CARTRIDGE - Embodiments of the disclosure describe a structure for mounting a biosensor in a microfluidic cartridge including a biosensor holder, a gasket seal, a strut, and a leaf spring using a method for maintaining constant pressure and a microfluidic cartridge including the same. The structure allows pressure to be evenly distributed to the biosensor in order to secure reproducibility and reliability of the detection signal, and enables integrated configuration of the cartridge by using a minimum amount of space. | 06-20-2013 |
20130224732 | METHOD FOR AMPLIFYING VARIATION OF FREQUENCY OF SIGNAL IN PIEZOELECTRICAL BIOSENSOR - Provided is a method for amplifying a frequency variation of a detected signal in a biosensor that is used for detecting a biomolecule by measuring a change in frequency of an oscillating signal, the change being caused by pressure a biomolecule applies to a piezoelectric substance. The method for amplifying a frequency variation of a detected signal comprises the steps of: (a) applying a sample to a probe being fixed to an upper portion of a substrate of the biosensor to allow a biomolecule in the sample to be bound to the probe; (b) applying protein tagged with a metal particle to the biosensor to allow the protein and the biomolecule to be bound with each other; and (c) applying a metal enhancer to the biosensor to allow the metal enhancer to be bound to the metal particle having been bound to the protein. | 08-29-2013 |
20130344618 | BIOSENSOR USING AGGLOMERATION OF MAGNETIC NANOPARTICLES AND DETECTION METHOD BY THE SAME - A biosensor and method for detecting a target material using an agglomeration of magnetic nanoparticles are provided. | 12-26-2013 |
20140001918 | SAW ARRAY SENSOR | 01-02-2014 |
20140011192 | PARTICLE COMPLEX AND METHOD OF ISOLATING TARGET CELL - A particle complex comprising a particle; a cleavable linker bound to a surface of the particle; and a macromolecule bound to the cleavable linker, wherein the macromolecule specifically binds to a surface marker of a target cell, and a method of isolating a target cell comprising same. | 01-09-2014 |
20140065714 | METHOD OF IDENTIFYING GLYCATED PROTEIN IN SAMPLE AND DEVICE FOR THE GLYCATED PROTEIN - Provided is a method and device for identifying glycated protein in a sample using a matrix including a boronic acid moiety that binds glycated proteins. | 03-06-2014 |
20140106471 | SENSOR USING MASS ENHANCEMENT OF NANOPARTICLES - Provided herein is a method of detecting a biomolecule, which enhances a mass of the target biomolecule by irradiating light to a photocatalytic nanoparticle binding to the target biomolecule. Accordingly, the method can effectively detect a change in mass, and provide economical and rapid detection using a low-priced photocatalyst. | 04-17-2014 |
20140162372 | DEVICE FOR MEASURING ELECTROLYTE IONS USING OPTODES AND USES THEREOF - Provided is a device for measuring electrolyte ions that is capable of providing a uniform pH environment in the region of an optode, and a method of measuring electrolyte ion concentration using the device. | 06-12-2014 |
20140219869 | SUPPORT FOR CAPTURING GLYCATED PROTEIN IN A SAMPLE AND DEVICE AND METHOD FOR MEASURING THE GLYCATED PROTEIN USING THE SUPPORT - Provided is a support for effectively capturing glycated protein in a sample, and a device and method for measuring the glycated protein by using the support. | 08-07-2014 |
20150034134 | ROLL TYPE FILTER CLEANING APPARATUS - Provided is a filter cleaning apparatus for cleaning a roll-type filter including a cleaning tank with a cavity for accommodating a cleaning solution, and a frame that is separable from the cleaning tank and is provided with a fixed portion for fixing a roll-type filter and a supporting portion for supporting weight of the roll-type filter, wherein the supporting portion includes a plurality of through holes through which the cleaning solution passes, and a plurality of supporting members for partially supporting a lower portion of the roll-type filter. | 02-05-2015 |