Patent application number | Description | Published |
20110091905 | BIOCHIP AND METHOD OF DETECTING REACTION FROM THE SAME - Provided are a biochip and a method of detecting a reaction from the biochip. This method includes preparing a first mixture solution of polyvinylpyrrolidone (PVP) and a sample including target molecules, measuring absorbance or transmittance of the first mixture solution, preparing a second mixture solution including the PVP, the sample, and a receptor of the target molecules, measuring absorbance or transmittance of the second mixture solution, and calculating an absorbance or transmittance difference between the first mixture solution and the second mixture solution. Thus, it is possible to reduce the production cost of the biochip by inducing a reaction of an antigen and an antibody using PVP. Further, it is possible to detect an accurate quantity of the antigen by analyzing a quantity of antigen on the basis of the absorbance or transmittance difference. | 04-21-2011 |
20110129846 | PHOTONIC BIOSENSOR, PHOTONIC BIOSENSOR ARRAY, AND METHOD OF DETECTING BIOMATERIALS USING THE SAME - A photonic biosensor, a photonic biosensor array, and a method of detecting a bio-material using the same are provided. The photonic biosensor includes a light emitting diode configured to emit light, a photodiode (PD), an optical fiber configured to connect the light emitting diode with the PD, and a micro-fluidic channel disposed on the optical fiber. Bio-antibodies or aptamers are fixed to the surface of the optical fiber, and the micro-fluidic channel includes gold (Au) nanoparticles to which bio-antibodies or aptamers are fixed. The photonic biosensor may be configured using absorption of surface plasmons in Au nanoparticles with respect to light traveling through the surface of the optical fiber configured to connect the light emitting diode with the PD, thus simplifying the manufacture of the biosensor and reducing the manufacturing cost. | 06-02-2011 |
20110136691 | GOLD-SILVER ALLOY NANOPARTICLE CHIP, METHOD OF FABRICATING THE SAME AND METHOD OF DETECTING MICROORGANISMS USING THE SAME - Provided are a gold-silver alloy nanoparticle chip, a method of fabricating the same and a method of detecting microorganisms using the same. The gold-silver alloy nanoparticle chip includes a hydrophilized glass substrate, a self-assembled monolayer formed on the glass substrate, and gold-silver alloy nanoparticles fixed on the self-assembled monolayer. The gold-silver alloy nanoparticle chip having such a structure enables microorganisms in a water purifier and tap water to be readily detected and enables detection efficiency to be enhanced. | 06-09-2011 |
20110151139 | METHOD FOR SELECTIVELY FUNCTIONALIZING NON-MODIFIED SOLID SURFACE AND METHOD FOR IMMOBILIZING ACTIVE MATERIAL ON THE FUNCTIONALIZED SOLID SURFACE - A method for selectively functionalizing a non-modified solid surface to create a photoresponsive coating layer includes: functionalizing a non-modified solid surface only, which is not oxidized and nitrified, with hydrogen; forming an EGPA coating layer on the non-modified solid surface functionalized with hydrogen using light; forming an EGA coating layer by removing an amine protecting group or an amine salt from the EGPA coating layer; and forming a coating layer having a photoresponsive functional group on the non-modified solid surface using the EGA coating layer. | 06-23-2011 |
20110272271 | APPARATUS AND METHOD FOR INJECTING MICROFLUIDIC - Provided is a microfluidic injection device and a method for injecting microfluidic. The microfluidic injection device includes a fluid injection chamber, a gas generation chamber applying pressure to the fluid injection chamber, and a channel connecting the fluid injection chamber to the gas generation chamber. | 11-10-2011 |
20120141327 | LABEL-FREE BIOSENSOR - A label-free biosensor includes a substrate, a reaction inducing part for inducing a bio antigen-antibody reaction to occur, and a reaction detecting part formed on the substrate and adapted to measure current change in accordance with change in an amount of light, which is caused by the bio antigen-antibody reaction in the reaction inducing part, to detect a bio antigen. | 06-07-2012 |
20120142017 | BIOSENSOR DEVICE AND MANUFACTURING METHOD THEREOF - Disclosed is a biosensor device, comprising: a capillary tube with probe molecules immobilized on the inner wall surface thereof, and a liquid sample containing target molecules, said biosensor device being characterized in that a contact angle between the inner wall surface of the capillary tube and the liquid sample changes because of the specific interaction between the probe molecules and the target molecules, which leads, in turn, to a change in the height of the liquid sample in the capillary tube. | 06-07-2012 |
20120143513 | BIO-SENSOR CHIP AND READER THEREOF - Provided are a bio sensor chip and a reader thereof. The bio-sensor chip is optically addressed. The bio-sensor chip includes a word line control circuit and a bit line control circuit controlled by light provided from the bio-sensor chip reader. The bio-sensor chip does not require a peripheral circuit for driving word lines and bit lines, simplifying a fabrication process and reducing the area of the chip. | 06-07-2012 |
20120288640 | BOVINE SERUM ALBUMIN (BSA)-DIAZIRINE, METHOD OF FORMING BSA-DIAZIRINE, AND METHOD OF SELECTIVELY FIXING BIOMATERIAL USING BSA-DIAZIRINE OF PHOTO-REACTIVE TYPE - The present invention provides bovine serum albumin (BSA)-diazirine, a method of forming BSA-diazirine, and a method of selectively fixing biomaterial using thereof. The bovine serum albumin-diazirine may function as a blocker which prevents the non-specific binding, as well as a linker, which links the solid support and the biomaterial by photoreaction (by UV irradiation). Therefore, by using the bovine serum albumin-diazirine, it is possible to selectively fix the biomaterial. | 11-15-2012 |
20130115558 | SELECTIVE PHOTO-INDUCED PROTEIN IMMOBILIZATION USING BOVINE SERUM ALBUMIN - Provided is a biomaterial immobilizing method including immobilizing a bovine serum albumin on a substrate, providing a biomaterial on the substrate immobilized with the bovine serum albumin, and irradiating an ultraviolet light onto the substrate provided with the bovine serum albumin and the biomaterial to immobilize the biomaterial selectively on the substrate immobilized with the bovine serum albumin. | 05-09-2013 |
20130137082 | BIOSENSOR, APPARATUS AND METHOD FOR DETECTING A BIOMOLECULE USING THE BIOSENSOR - Provided are a biosensor, an apparatus and a method for detecting a biomolecule using the biosensor. The biosensor may include a supporting substrate, a semiconductor layer spaced apart from a top surface of the supporting substrate by supporting patterns, and a nano-motor array formed on a top surface of the semiconductor layer. The nano-motor array may include a plurality of nano-metal rods configured to exhibit an autonomous propulsion in a fluid. | 05-30-2013 |
20130149216 | DEVICE FOR STORING REAGENT AND METHOD OF DISCHARGING REAGENT THEREOF - Provided are a device for storing a reagent capable of being adhered to a biochip and supplying the stored reagent to the biochip, and a method of discharging a reagent thereof. The device for storing a reagent includes an elastic film pressurizing part configured to pressurize an elastic film by magnetic force, and a reagent discharging part configured to store the reagent and discharge the reagent through an outlet by using the deformation in the elastic film due to the pressurization. According to the present invention, a magnetic force controlling device can be small-sized and the reagent can be automatically, high-precisely, and reproducibly supplied through the magnetic force control. | 06-13-2013 |
20140023568 | BIO CARTRIDGES - A bio cartridge includes a reaction chamber disposed within a housing and containing a reagent, a specimen transfer channel providing a transfer path through which a specimen supplied to the housing is transferred into the reaction chamber, a mixing unit mixing the specimen with the reagent, and an air pressure unit providing air pressure to the specimen. | 01-23-2014 |
Patent application number | Description | Published |
20100273266 | TARGET BIOMATERIAL DETECTING KIT AND METHOD OF DETECTING TARGET BIOMATERIAL - Provided are a target biomaterial detecting kit and a method of detecting the target biomaterial. The target biomaterial detecting kit includes a guided mode resonance filter comprising a substrate transmitting or reflecting light, a grating layer formed on the substrate, and a capture layer formed on the grating layer to capture a target biomaterial; and a nano complex comprising a nanoparticle head and a connection tail. Therefore, the wavelength peak of a reflection/transmission spectrum of light coming from the guided mode resonance filter can be largely shifted, and thus the presence and quantity of a target biomaterial can be easily detected. Moreover, although the amount of the target biomaterial is small, the target biomaterial can be reliably detected. | 10-28-2010 |
20100296095 | OPTICAL CAVITY ENHANCED TURBIDIMETER AND TURBIDITY MEASURING METHOD - Provided are an optical cavity enhanced turbidimeter and a turbidity measure method. After casting a pulse beam or a beam having a steep intensity gradient into an optical cavity, the turbidity of the inside region of the optical cavity can be calculated using an attenuation rate of an output beam from the optical cavity. | 11-25-2010 |
20110068053 | FILTERING DEVICE - Provided is a filtering device including a filter part having a plurality of filters stacked to filter contaminants in fluid, and a sample part disposed on an outer plane of the filter part and having a plurality of samples corresponding to the filters, respectively. Therefore, a filter exchange period can be accurately determined by measuring properties of the filter varied during filtering of contaminants, and indiscriminate exchange of the filters can be prevented to reduce maintenance cost. | 03-24-2011 |
Patent application number | Description | Published |
20100260643 | PORTABLE MEASUREMENT SYSTEM HAVING BIOPHOTONIC SENSOR - There is provided a portable measuring system having a biophotonic sensor. The portable measuring system also includes a tunable light source, an output intensity detector and an output wavelength detector, which are mounted therein. The portable measuring system can precisely measure a variation in the reflectivity spectrum and/or the transmittance spectrum of the biophotonic sensor before and after an antigen-antibody reaction by varying the wavelength of the tunable light source. Thus, the concentration of the antigen is precisely measured. | 10-14-2010 |
20100261244 | METHOD FOR IMMOBILIZING BIO-MATERIAL ON TITANIUM DIOXIDE NANOPARTICLES AND TITANIUM DIOXIDE NANOPARTICLES IMMOBILIZED BY BIO-MATERIAL - There is provided a method for immobilizing a bio-material on a surface of titanium dioxide nanoparticles (TiO | 10-14-2010 |
20100264428 | SILICON BIOSENSOR AND METHOD OF MANUFACTURING THE SAME - A silicon biosensor and a method of manufacturing the same are provided. The silicon biosensor includes: a light emitting layer emitting light according to injected electrons and holes and changing a wavelength of the light depending on whether a biomaterial is absorbed by the light emitting layer; an electron injection layer injecting the electrons into the light emitting layer; and a hole injection layer injecting the holes into the light emitting layer. Accordingly, it is possible to produce low price biosensors in large quantities. | 10-21-2010 |
20100278694 | SILICON BIOSENSOR AND MANUFACTURING METHOD THEREOF - A silicon biosensor and a manufacturing method thereof is provided, the silicon biosensor includes: a light source performing self emission a light detector generating a photoelectric current corresponding to an amount of incident light an optical fiber transmitting the light from the light source to the light detector and a micro fluidic channel adjusting an optical transmission rate of the optical fiber according to an antibody-antigen reaction when the antibody-antigen reaction occurs. The silicon biosensor can be easily integrated or bonded with a silicon electronic device, so that it is possible to manufacture the biosensor with a low price, under mass production. | 11-04-2010 |
20100309937 | WAVELENGTH TUNABLE SEMICONDUCTOR LASER APPARATUS - A semiconductor laser apparatus is provided which can vary an output wavelength of a light source. A semiconductor laser diode and one or more heat source devices arranged around the semiconductor laser diode are integrated on one substrate. The semiconductor laser diode is configured to be uniformly heated by the heat source device. An output wavelength of the semiconductor laser diode can be easily and quickly varied. | 12-09-2010 |