Patent application number | Description | Published |
20100124790 | PORTABLE OPTICAL BIOSENSOR MEASURING APPARATUS AND MEASUREMENT METHOD THEREOF - Provided is a portable optical biosensor measuring apparatus. The portable optical biosensor measuring apparatus includes a light emitting unit emitting a light having a first line width, an optical biosensor receiving an output light from the light emitting unit, and a peak wavelength detector detecting one peak wavelength having a second line width from a light from the optical biosensor. The first line width is greater than the second line width, and the optical biosensor provides the peak wavelength according to an antigen-antibody reaction. | 05-20-2010 |
20100134799 | APPARATUS FOR DETECTING BIO MATERIALS AND METHOD FOR DETECTING BIO MATERIALS BY USING THE APPARATUS - Provided is an apparatus for detecting bio materials and a method for detecting bio materials by using the apparatus. The apparatus includes a bio material reacting unit, an optical source unit, and a detecting unit. The bio material reacting unit includes bio sensing materials immobilized on gold nanoparticles. The optical source unit emits light toward the bio material reacting unit. The detecting unit measures variations of surface absorbance of the gold nanoparticles by detecting light transmitted through the bio material reacting unit before and after a bio material is bound to the bio sensing materials. | 06-03-2010 |
20100141942 | APPARATUS FOR DETECTING BIOMATERIALS AND METHOD FOR DETECTING BIOMATERIALS BY USING THE APPARATUS - Provided are an apparatus and method for detecting biomaterials. The apparatus for detecting the biomaterials includes a light source unit, a biomaterial reacting unit, and a detection unit detecting. The light source unit provides incident light. The biomaterial reacting unit includes a substrate and metal nanoparticles spaced from the substrate. The surface plasmon resonance phenomenon is induced on surfaces of the metal nanoparticles by the incident light. First detecting molecules specifically binding to target molecules are immobilized to the surfaces of the metal nanoparticles. The detection unit detects a resonance wavelength of emission light emitted from the metal nanoparticles by the surface plasmon resonance phenomenon. | 06-10-2010 |
20100144020 | DISPOSABLE DIAGNOSTIC KIT - Provided is a disposable diagnostic kit capable of diagnosing diseases. The disposable diagnostic kit includes a preprocessor, a target material reactor, and a microfluidic channel. The preprocessor filters target materials from a fluid containing various biomaterials. The target material reactor includes a diffraction grating on whose surface sensing materials reacting with the target materials are immobilized. Herein, a wavelength of light penetrated into the diffraction grating or a wavelength of light reflected by the diffraction grating varies depending on the target materials. The microfluidic channel moves the filtered fluid from the preprocessor to the target material reactor. | 06-10-2010 |
20100157295 | MEASUREMENT DEVICE EQUIPPED WITH DEVICE FOR DECIDING MEASUREMENT START POINT - Provided is a measurement device. The measurement device includes a sensor, a wavelength-tunable light source, an additional light source, a coupler, and an optical power measurer. The sensor accepts a sample. The wavelength-tunable light source irradiates wavelength-tunable light to detect a reaction of the sensor. The additional light source irradiates wavelength-fixed light to detect an initial time of the reaction. The coupler combines the wavelength-tunable light source and the additional light source and irradiates the combined input light on the sensor. The optical power measurer detects the reaction of the sensor from an output light transmitted through or reflected by the sensor. | 06-24-2010 |
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 |
20100264567 | APPARATUS FOR FIXING PLASTIC SHEET AND METHOD OF FABRICATING NANO PATTERN ON PLASTIC SHEET USING THE SAME - There are provided an apparatus for fixing a plastic sheet which fixes a plastic sheet to fabricate a nano pattern and a method of fabricating a nano pattern on a plastic sheet using the same. The apparatus for fixing a plastic sheet includes: a pair of planar metal guide rings interposingly fixing a plastic sheet from above and below, respectively; and a sheet fixing chuck including: a ring fixer sucking the pair of planar metal guide rings through a vacuum groove to be fixed thereto; and a sheet fixer having a plurality of vacuum pin holes formed therein, the vacuum pin holes sucking a bottom of the plastic sheet fixed by the planar metal guide rings. The apparatus allows fabrication of the nano pattern on the plastic sheet having less roughness than that of a semiconductor substrate or a glass substrate. | 10-21-2010 |
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 |
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 |
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 |
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 |
20100328774 | RESONANT REFLECTIVE FILTER AND BIOSENSOR INCLUDING THE SAME - Provided is a resonant reflective filter including a substrate and a grating layer, wherein the substrate is formed of a material having a lower reflective index than that of a material forming the grating layer. Thus, the resonant reflective filter can form a resonant spectrum having good symmetry and a sharp shape. Accordingly, the resonant reflective filter can have improved sensitivity and can be applied to optical systems that require a small linewidth. | 12-30-2010 |
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 |
20110136216 | DIAGNOSTIC KIT FOR RESPIRATORY DISEASE - The present invention relates to a diagnostic kit for a respiratory disease that enables a preprocessing process with respect to a sample to be performed within a diagnostic kit when diagnosing respiratory disease using the diagnostic kit, and thereby enables all the operations starting from collecting the sample to verifying a diagnosis result to be automatically performed within the diagnostic kit. The diagnostic kit for a respiratory disease may perform a field diagnosis at anywhere without being restricted to a specific location, and even a general user may also easily obtain an accurate diagnosis result. | 06-09-2011 |
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 |
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 |
20110293479 | CARTRIDGE FOR MEASURING BIOLOGICAL SAMPLE COMPONENT AND APPARATUS FOR MEASURING BIOLOGICAL SAMPLE COMPONENT - A cartridge for measuring a biological sample component and an apparatus for measuring a biological sample component are provided. The cartridge for measuring a biological sample component includes: an upper cartridge having a first chamber storing a biological sample, a first channel connected to the first chamber and delivering air pressure to the first chamber, and a third channel transferring the biological sample; and a lower cartridge having a third chamber storing a first reagent, a fifth chamber storing a second reagent, a fifth channel connecting the third and fifth chambers and transferring the second reagent to the third chamber, an eleventh channel delivering the biological sample delivered through the third channel to the third chamber, and a thirteenth channel delivering air pressure to the fifth chamber, wherein when the upper and lower cartridges are bounded by an external force, the third channel and the eleventh channel are connected. | 12-01-2011 |
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 |
20130154040 | PHOTO DETECTORS - Photo detectors are provided. The photo detector includes a photoelectric conversion layer between a lower carrier transportation layer and an upper carrier transportation layer, and a common electrode on the upper carrier transportation layer opposite to the photoelectric conversion layer. The photoelectric conversion layer includes a plurality of light absorption layers and each of the light absorption layers contains silicon nanocrystals. The silicon nanocrystals in respective ones of the light absorption layers have different sizes from each other. | 06-20-2013 |
20140151833 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device according to an exemplary embodiment includes a first substrate, a photoelectric conversion layer disposed above the first substrate, a second substrate which is different from the first substrate and disposed on the photoelectric conversion layer, and a nano pillar layer disposed above the second substrate in which the nano pillar layer includes a plurality of nano pillars which is spaced apart from each other, so as to easily absorb the light. | 06-05-2014 |
20140163350 | SILICON NANO-CRYSTAL BIOSENSOR AND METHOD OF FABRICATING THE SAME - A silicon nano-crystal biosensor includes a flexible substrate transformed depending on a shape of a body organ, a light emitting device disposed on the flexible substrate and emitting light, and a light detector opposite to the light emitting device on the flexible substrate. The light detector absorbs the emitted light. A length of the flexible substrate is substantially equal to or greater than a radius of curvature of the body organ. | 06-12-2014 |
20140171752 | APPARATUS AND METHOD FOR CONTROLLING EMOTION OF DRIVER - An apparatus for controlling emotion of a driver includes an emotion sensor unit configured to collect a biomedical signal from the driver, and generate biomedical information data based on the collected biomedical signal, a user memory unit configured to store driver information that includes biomedical signals for respective emotional states of the driver and a plurality of correspondence contents, and deliver the driver information and the correspondence content in response to a received request, and an emotion management unit configured to determine the emotional state of the driver from the driver information received from the user memory unit and the biomedical information data received from the emotion sensor unit, request a correspondence content corresponding to the determined emotional state of the driver from the user memory unit, and provide the driver with the content received from the user memory unit. | 06-19-2014 |
20140234815 | APPARATUS AND METHOD FOR EMOTION INTERACTION BASED ON BIOLOGICAL SIGNALS - An emotion signal detecting apparatus is provided, and the emotion signal detecting apparatus comprises a sensor unit configured to detect a biological signal, which occurs due to a change in an emotional state of a user, and an environmental signal; and a control unit configured to generate emotion information based on the biological signal and the environmental signal and to transmit the generated emotion information to an emotion signal detecting apparatus or emotion service providing apparatus of a different user. | 08-21-2014 |