Patents by Inventor Soo-hyung Choi
Soo-hyung Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8367367Abstract: 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.Type: GrantFiled: June 8, 2011Date of Patent: February 5, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-im Han, Soo-hyung Choi, Soo-suk Lee, Sung-ouk Jung, Joon-shik Park, Ki-eun Kim
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Patent number: 8052855Abstract: A carbon nanotube (“CNT”) gas sensor includes a substrate, an insulating layer formed on the substrate, electrodes formed on the insulating layer, and CNT barriers that protrude higher than the electrodes in spaces between the electrodes to form gas detecting spaces. A method of manufacturing the gas sensor includes forming an insulating layer on a substrate, forming an electrode pattern on the insulating layer, coating CNT paste having a thickness greater than a thickness of electrodes in the electrode pattern on the electrodes and the insulating layer, and patterning and firing the carbon nanotube paste, including using a photolithography method, to retain only portions of the CNT paste coated on spaces between the electrodes.Type: GrantFiled: May 8, 2007Date of Patent: November 8, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-im Han, Soo-hyung Choi, Jeong-hee Lee, Soo-suk Lee, Jeong-na Heo
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Patent number: 8047077Abstract: 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.Type: GrantFiled: March 16, 2009Date of Patent: November 1, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hun Joo Lee, Soo Suk Lee, Soo Hyung Choi
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Publication number: 20110256570Abstract: 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.Type: ApplicationFiled: June 8, 2011Publication date: October 20, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.,Inventors: Jung-im HAN, Soo-hyung CHOI, Soo-suk LEE, Sung-ouk JUNG, Joon-shik PARK, Ki-eun KIM
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Patent number: 7981634Abstract: Disclosed herein is a method of positively detecting toxic materials within a sample, the method including contacting sub-mitochondrial particles with an electron donor. The electron donor is reacted with an electron transfer system of the sub-mitochondrial particles to produce a reactant. A pH indicator has its pH adjusted to be in a range of 9 to 11. The pH indicator is added to each reactant. Color changes in the pH indicator permit the detection of toxins present in the sample.Type: GrantFiled: December 13, 2006Date of Patent: July 19, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-im Han, Soo-hyung Choi, Soo-suk Lee, Sung-ouk Jung, Joon-shik Park, Ki-eun Kim
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Patent number: 7918924Abstract: 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.Type: GrantFiled: March 27, 2008Date of Patent: April 5, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Hun Joo Lee, Soo Suk Lee, Soo Hyung Choi
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Patent number: 7819138Abstract: The microfluidic device includes a rotatable platform, a plurality of connection ports disposed at a portion of the platform proximate to a shaft connection hole, the plurality of connection ports capable of being connected to an external connector for selectively injecting and discharging fluid and being closed by the connector, a trap chamber disposed at a portion of the platform further away from the shaft connection hole than the plurality of connection ports, the trap chamber including an inlet connected with at least one connection port of the plurality of connection ports, an outlet connected with another connection port of the plurality of connection ports and structures which enlarge a contact area with the fluid and a temporary storage including an inlet connected with the outlet of the trap chamber and an outlet connected with another connection port of the plurality of connection ports.Type: GrantFiled: October 10, 2007Date of Patent: October 26, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Hun-joo Lee, Nam Huh, Soo-suk Lee, Sung-ouk Jung, Soo-hyung Choi
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Patent number: 7803540Abstract: A method of increasing discrimination for a target DNA having a polymorphic site is provided. The method comprising immobilizing first and second probes on a substrate; hybridizing the immobilized first and second probes with first and second hurdle DNAs, respectively; and hybridizing the target DNA with the hybrids, and determining the ratio of a signal of the target DNA hybridized to the first probe to a signal of the target DNA hybridized to the second probe. The addition of a hurdle DNA and variation of a probe base can improve an ability of discriminating a single base mismatch.Type: GrantFiled: January 19, 2006Date of Patent: September 28, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Soo-hyung Choi, Jang-seok Ma, Joon-shik Park, Ji-young Oh, Jong-suk Chung
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Publication number: 20100231308Abstract: 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.Type: ApplicationFiled: March 16, 2009Publication date: September 16, 2010Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hun Joo LEE, Soo Suk LEE, Soo Hyung CHOI
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Publication number: 20100181209Abstract: Provided is a method of sensing biomolecules using a bioFET, the method including: forming a layer including Au on a gate of the bioFET; forming a probe immobilized on a substrate separated from the gate by a predetermined distance, and a biomolecule having a thiol group (—SH) which is incompletely bonded to the probe; reacting the probe with a sample including a target molecule; and measuring a current flowing in a channel region between a source and a drain of the bioFET.Type: ApplicationFiled: December 14, 2009Publication date: July 22, 2010Applicant: SAMSUNG ELECTRONICS CO. LTD.Inventors: Kyu-tae YOO, Sung-ouk JUNG, Jun-hong MIN, Ji-na NAMGOONG, Soo-hyung CHOI, Jeo-young SHIM
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Patent number: 7713716Abstract: Provided is a method for detecting the degree of toxicity of toxic materials within a sample. The method includes contacting sub-mitochondrial particles having competent mitochondrial enzyme formed from the inner membranes of mitochondria, an electron donor which transmits electrons to the electron transfer system of the sub-mitochondrial particles, and a sample which will be tested; adding tris-2,2?-bipyridyl-ruthenium (II) ion to the reaction mixture; and measuring electrical variables of the reaction mixture. Also, provided is an apparatus and kit for detecting the presence of toxic materials within a sample.Type: GrantFiled: December 14, 2006Date of Patent: May 11, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jung-im Han, Soo-hyung Choi
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Patent number: 7662614Abstract: Provided are a biochip platform for biochemically analyzing a sample such as DNA or protein, including a dielectric particle layer, and an optical assay apparatus including the same. The biochip platform includes the dielectric particle layer uniformly formed on a substrate. The particle uniformity of the dielectric particle layer enables good wavelength separation of fluorescence signal, and the large surface area of the dielectric particle layer guarantees better amplifications efficiency of fluorescence signal. Furthermore, the biochip platform shows good economical efficiency due to easy fabrication process, and is particularly useful in an optical assay apparatus for analyzing a biochemical sample due to good assay efficiency.Type: GrantFiled: January 11, 2006Date of Patent: February 16, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Jang-seok Ma, Heon-su Jeon, Soo-hyung Choi, In-ho Lee, Fu Wang
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Patent number: 7659149Abstract: Provided is a method of sensing biomolecules using a bioFET, the method including: forming a layer including Au on a gate of the bioFET; forming a probe immobilized on a substrate separated from the gate by a predetermined distance, and a biomolecule having a thiol group (—SH) which is incompletely bonded to the probe; reacting the probe with a sample including a target molecule; and measuring a current flowing in a channel region between a source and a drain of the bioFET.Type: GrantFiled: February 2, 2006Date of Patent: February 9, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Kyu-tae Yoo, Sung-ouk Jung, Jun-hong Min, Ji-na Namgoong, Soo-hyung Choi, Jeo-young Shim
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Publication number: 20090142798Abstract: The present invention provides a method of selectively lysing non-viable cells from a cell population within a sample, the method including selectively lysing non-viable cells by mixing a cell-containing sample with a lysis buffer including a non-ionic surfactant and a divalent cation salt.Type: ApplicationFiled: April 24, 2008Publication date: June 4, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Young-sun LEE, Myo-yong Lee, Soo-hyung Choi, Kak Namkoong, Chin-sung Park
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Publication number: 20090064859Abstract: 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.Type: ApplicationFiled: March 27, 2008Publication date: March 12, 2009Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Hun Joo Lee, Soo Suk Lee, Soo Hyung Choi
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Publication number: 20080142361Abstract: A carbon nanotube (“CNT”) gas sensor includes a substrate, an insulating layer formed on the substrate, electrodes formed on the insulating layer, and CNT barriers that protrude higher than the electrodes in spaces between the electrodes to form gas detecting spaces. A method of manufacturing the gas sensor includes forming an insulating layer on a substrate, forming an electrode pattern on the insulating layer, coating CNT paste having a thickness greater than a thickness of electrodes in the electrode pattern on the electrodes and the insulating layer, and patterning and firing the carbon nanotube paste, including using a photolithography method, to retain only portions of the CNT paste coated on spaces between the electrodes.Type: ApplicationFiled: May 8, 2007Publication date: June 19, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-im HAN, Soo-hyung CHOI, Jeong-hee LEE, Soo-suk LEE, Jeong-na HEO
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Publication number: 20080135101Abstract: The microfluidic device includes a rotatable platform, a plurality of connection ports disposed at a portion of the platform proximate to a shaft connection hole, the plurality of connection ports capable of being connected to an external connector for selectively injecting and discharging fluid and being closed by the connector, a trap chamber disposed at a portion of the platform further away from the shaft connection hole than the plurality of connection ports, the trap chamber including an inlet connected with at least one connection port of the plurality of connection ports, an outlet connected with another connection port of the plurality of connection ports and structures which enlarge a contact area with the fluid and a temporary storage including an inlet connected with the outlet of the trap chamber and an outlet connected with another connection port of the plurality of connection ports.Type: ApplicationFiled: October 10, 2007Publication date: June 12, 2008Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hun-joo LEE, Nam HUH, Soo-suk LEE, Sung-ouk JUNG, Soo-hyung CHOI
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Publication number: 20070259392Abstract: 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.Type: ApplicationFiled: December 13, 2006Publication date: November 8, 2007Applicant: Samsung Electronics., Ltd.Inventors: Jung-im Han, Soo-hyung Choi, Soo-suk Lee, Sung-ouk Jung, Joon-shik Park, Ki-eun Kim
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Publication number: 20070209143Abstract: A robot vacuum cleaner having a microbe sensing function is provided. The robot vacuum cleaner includes: a cleaner body which automatically travels in an area to be cleaned; a suction unit which sucks dust in the area to be cleaned into a specific space included in the cleaner body; a microbe contamination sensor which detects a microbe contamination in the area to be cleaned; and a sterilizing unit which sterilizes a corresponding portion according to a microbe contamination measuring signal generated from the microbe contamination sensor. Accordingly, a robot vacuum cleaner directly measures a level of microbe contamination to perform a sterilizing operation according to the result obtained from measurement. As a result, the sterilizing operation is performed sufficiently in a severely contaminated area, the sterilizing operation is performed in a general manner in other areas, and thus a cleaning operation can be rapidly carried out.Type: ApplicationFiled: July 24, 2006Publication date: September 13, 2007Inventors: Soo-hyung Choi, Jung-im Han, Soo-suk Lee
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Publication number: 20070148723Abstract: Provided is a method for detecting the degree of toxicity of toxic materials within a sample. The method includes contacting sub-mitochondrial particles having competent mitochondrial enzyme formed from the inner membranes of mitochondria, an electron donor which transmits electrons to the electron transfer system of the sub-mitochondrial particles, and a sample which will be tested; adding tris-2,2?-bipyridyl-ruthenium (II) ion to the reaction mixture; and measuring electrical variables of the reaction mixture. Also, provided is an apparatus and kit for detecting the presence of toxic materials within a sample.Type: ApplicationFiled: December 14, 2006Publication date: June 28, 2007Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-im HAN, Soo-hyung CHOI