Patents by Inventor Kyoung Yoo
Kyoung Yoo 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: 12123872Abstract: Embodiments of the present invention provide a lateral flow assay method and strip wherein a sample is injected into a sample pad, a preconcentration kit is coupled to the sample pad to preconcentrate analytes, and a conjugate pad or a test pad is connected to the sample pad to transfer the analytes to the conjugate pad or the test pad, whereby a biomarker present at a low concentration can be detected.Type: GrantFiled: November 16, 2017Date of Patent: October 22, 2024Assignee: Calth, Inc.Inventors: Jeong Hoon Lee, Yong Kyoung Yoo, Sung Il Han, Cheon Jung Kim
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Publication number: 20240203543Abstract: According to a preferred embodiment of the present invention, a deep learning-based method and device for predicting analysis results predict analysis results of immune response assay-based kits, such as that of lateral flow assay (LEA), antigen-antibody-based diagnostic kits and the like on the basis of deep learning, and thus can reduce the time for confirming results.Type: ApplicationFiled: March 4, 2024Publication date: June 20, 2024Inventors: Jeong Hoon LEE, Ki Baek LEE, Yong Kyoung YOO, Seung Min LEE, Hak Jun LEE, Ji Won MOON
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Patent number: 12012619Abstract: An NADPH-regeneration system based on monomeric isocitrate dehydrogenase (IDH) and a use thereof. Specifically, the present invention relates to a recombinant vector including a polynucleotide encoding an isocitrate dehydrogenase recombinant protein derived from Corynebacterium glutamicum (CgIDH) and an isocitrate dehydrogenase recombinant protein derived from Azotobacter vinelandii (AvIDH), a method for producing the recombinant protein, and an NADPH-regeneration system using the recombinant protein produced by the method. The enzyme in a monomeric form that may be efficiently used in the NADPH-regeneration system in the transformant into which the recombinant vector was introduced, was found, and the NADPH-regeneration system using the enzyme in a monomeric form has a very high utility value as biological parts and biocatalyst materials that provides NADPH to the NADPH-dependent enzyme.Type: GrantFiled: November 11, 2022Date of Patent: June 18, 2024Assignee: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITYInventors: Geun Joong Kim, Hun-Dong Lee, Su-Kyoung Yoo, Dae Eun Cheong, Chul-Ho Yun, Hye-Ji Choi, Sang-Oh Ahn
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Publication number: 20230340049Abstract: Provided is a method of preparing a circular permutation (CP)-based functional recombinant human-derived fibroblast growth factor 7 and a use thereof. The fibroblast growth factor 7 to which a circular permutation is applied (CP-hFGF7115-114) is independently expressed in a host cell, such that soluble overexpression of the fibroblast growth factor 7 may be induced without causing problems according to the related art, such as lower expression level and stability compared to those of a wild-type hFGF7 protein and amino acid changes in a process of removing a fusion tag.Type: ApplicationFiled: December 5, 2022Publication date: October 26, 2023Inventors: Geun-Joong KIM, Hye-Ji CHOI, Dae-Eun CHEONG, Su-Kyoung YOO, Hanui LEE
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Publication number: 20230194319Abstract: Disclosed is an ultrasonic flow meter configured to measure the flow rate of a fluid using ultrasonic waves, wherein branch flow paths are formed in a flow path in order to regularly reduce the sectional area of the flow path over at least a predetermined distance between reflectors such that the flow speed of the fluid in the flow path between the reflectors is increased without pressure loss, whereby it is possible to improve measurement accuracy.Type: ApplicationFiled: November 16, 2022Publication date: June 22, 2023Inventor: Na Kyoung Yoo
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Publication number: 20230160731Abstract: An ultrasonic flow meter, according to an embodiment of the present disclosure, comprises a measurement tube, an ultrasonic sensor module, and a pair of reflectors, wherein the measurement tube is configured to allow fluid to flow therethrough and comprises a pair of sensor holes spaced apart from each other in a longitudinal direction on an outer surface thereof, the ultrasonic sensor module comprises a pair of ultrasonic transducers mounted in the sensor holes, the ultrasonic transducers being configured to send and receive ultrasonic waves, and the pair of reflectors are located in the measurement tube, and wherein the measurement tube further comprises a flow path sectional area reduction member comprising a plurality of plates arranged such that a plurality of branch flow paths are formed in the longitudinal direction around a central flow path in between the pair of reflectors.Type: ApplicationFiled: January 6, 2023Publication date: May 25, 2023Inventor: Na Kyoung Yoo
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Publication number: 20230143972Abstract: An NADPH-regeneration system based on monomeric isocitrate dehydrogenase (IDH) and a use thereof. Specifically, the present invention relates to a recombinant vector including a polynucleotide encoding an isocitrate dehydrogenase recombinant protein derived from Corynebacterium glutamicum (CgIDH) and an isocitrate dehydrogenase recombinant protein derived from Azotobacter vinelandii (AvIDH), a method for producing the recombinant protein, and an NADPH-regeneration system using the recombinant protein produced by the method. The enzyme in a monomeric form that may be efficiently used in the NADPH-regeneration system in the transformant into which the recombinant vector was introduced, was found, and the NADPH-regeneration system using the enzyme in a monomeric form has a very high utility value as biological parts and biocatalyst materials that provides NADPH to the NADPH-dependent enzyme.Type: ApplicationFiled: November 11, 2022Publication date: May 11, 2023Inventors: Geun Joong KIM, Hun-Dong LEE, Su-Kyoung YOO, Dae Eun CHEONG, Chul-Ho YUN, Hye-Ji CHOI, Sang-Oh AHN
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Patent number: 11608366Abstract: A recombinant vector according to an embodiment of the present invention may produce fibroblast growth factor 19 (FGF19) having enhanced solubility. The synonymous codon substitution variant fibroblast growth factor 19 (scvhFGF19) and chaperone ?ssDsbC may be simultaneously and independently expressed in a host cell into which the recombinant vector is introduced, thereby it is possible to overexpress the fibroblast growth factor 19 in a soluble state.Type: GrantFiled: August 19, 2020Date of Patent: March 21, 2023Assignees: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY, KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGYInventors: Geun Joong Kim, Hye Ji Choi, Dae Eun Cheong, Su Kyoung Yoo, Dong Hyun Lee, Jae Hong Park, Jung Hyun Lee, Hyung Soon Yim, Young Jun An, Kyeong Won Lee
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Patent number: 11592415Abstract: The present invention relates to an interdigitated microelectrode biosensor using the reaction between receptors and target biomaterials, the interdigitated microelectrode biosensor comprising: an insulating layer formed so as to cover all of the sensor formation area of a substrate; a first interdigitated microelectrode formed such that a plurality of first protruding electrodes are arranged in a comb shape on the insulating layer of the substrate; a second interdigitated microelectrode, facing the first interdigitated microelectrode and formed such that a plurality of second protruding electrodes are arranged in a comb shape on the insulating layer of the substrate such that the plurality of second protruding electrodes are arranged to respectively interdigitate with the plurality of first protruding electrodes formed at the first interdigitated microelectrode; and a plurality of receptors arranged in the space between the first and second interdigitated microelectrodes, which are arranged to interdigitateType: GrantFiled: October 20, 2016Date of Patent: February 28, 2023Assignee: Korea Institute of Science and TechnologyInventors: Kyo Seon Hwang, Young Soo Kim, Jin Sik Kim, Yong Kyoung Yoo
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Publication number: 20220406472Abstract: The present invention relates to a method for providing medical equipment and medicine information, and includes: a medical paper database that provides medical papers; a medical equipment and medicine database that provides medical equipment and medicine information; and a service server that finds, from the medical equipment and medicine database, information about medical equipment and medicine and posts the found medical equipment and medicine on a network, and also periodically searches the medical paper database for the papers in which the posted medical equipment and medicine have been described to provide a user terminal with paper information and links.Type: ApplicationFiled: October 28, 2020Publication date: December 22, 2022Inventors: Sang Wook HAN, Woo Kyoung YOO
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Publication number: 20220267742Abstract: The present invention relates to an NADPH-regeneration system based on monomeric isocitrate dehydrogenase (IDH) and a use thereof. Specifically, the present invention relates to a recombinant vector including a polynucleotide encoding an isocitrate dehydrogenase recombinant protein derived from Corynebacterium glutamicum (CgIDH) and an isocitrate dehydrogenase recombinant protein derived from Azotobacter vinelandii (AvIDH), a method for producing the recombinant protein, and an NADPH-regeneration system using the recombinant protein produced by the method. In the present invention, the enzyme in a monomeric form that may be efficiently used in the NADPH-regeneration system in the transformant into which the recombinant vector was introduced, was found, and the NADPH-regeneration system using the enzyme in a monomeric form has a very high utility value as biological parts and biocatalyst materials that provides NADPH to the NADPH-dependent enzyme.Type: ApplicationFiled: March 1, 2021Publication date: August 25, 2022Inventors: Geun Joong KIM, Hun-Dong LEE, Su-Kyoung YOO, Dae Eun CHEONG, Chul-Ho YUN, Hye-Ji CHOI, Sang-Oh AHN
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Patent number: 11313831Abstract: An interdigitated electrode biosensor includes an insulating layer configured to fully cover a sensor forming region of a substrate, a first interdigitated microelectrode configured such that a plurality of first protruding electrodes is arranged in a shape of a comb on the substrate, a second interdigitated microelectrode configured such that a plurality of second protruding electrodes is arranged in a shape of a comb and each interdigitates with the plurality of first protruding electrodes, and a plurality of receptors that is immobilized in a space between the first interdigitated microelectrode and the second interdigitated microelectrode and reacts specifically to target biomaterials.Type: GrantFiled: November 9, 2016Date of Patent: April 26, 2022Assignee: Korea Institute of Science and TechnologyInventors: Kyoseon Hwang, Jinsik Kim, Hye Jin Kim, Yong Kyoung Yoo, Youngsoo Kim
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Patent number: 11236309Abstract: A recombinant vector according to an embodiment of the present invention may be used for producing a reconstituted cytochrome P450 oxygenase-reductase fusion protein. Oxygenase and reductase may be independently expressed in a host cell into which the recombinant vector is introduced, and then may be fused with a split intein so that it is possible to increase the heme content contained in the active site of the oxygenase and improve enzyme activity and stability.Type: GrantFiled: August 17, 2020Date of Patent: February 1, 2022Assignee: INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITYInventors: Geun Joong Kim, Chul Ho Yun, Dae Eun Cheong, Su Kyoung Yoo, Hye Ji Choi, Thien Kim Le
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Publication number: 20210355182Abstract: A recombinant vector according to an embodiment of the present invention may produce fibroblast growth factor 19 (FGF19) having enhanced solubility. The synonymous codon substitution variant fibroblast growth factor 19 (scvhFGF19) and chaperone ?ssDsbC may be simultaneously and independently expressed in a host cell into which the recombinant vector is introduced, thereby it is possible to overexpress the fibroblast growth factor 19 in a soluble state, due to when not utilizing tags such as an existing fusion partner there is no change in the amino acid, which is a problem generated in the removal process.Type: ApplicationFiled: August 19, 2020Publication date: November 18, 2021Inventors: Geun Joong KIM, Hye Ji CHOI, Dae Eun CHEONG, Su Kyoung YOO, Dong Hyun LEE, Jae Hong PARK, Jung Hyun LEE, Hyung Soon YIM, Young Jun AN, Kyeong Won LEE
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Publication number: 20210355456Abstract: A recombinant vector according to an embodiment of the present invention may be used for producing a reconstituted cytochrome P450 oxygenase-reductase fusion protein. Oxygenase and reductase may be independently expressed in a host cell into which the recombinant vector is introduced, and then may be fused with a split intein so that it is possible to increase the heme content contained in the active site of the oxygenase and improve enzyme activity and stability.Type: ApplicationFiled: August 17, 2020Publication date: November 18, 2021Inventors: Geun Joong KIM, Chul Ho YUN, Dae Eun CHEONG, Su Kyoung YOO, Hye Ji CHOI, Thien Kim Le
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Publication number: 20210239646Abstract: The RGO (Reduced Graphene Oxide)-based bio sensor according to the present invention comprises: a source electrode and a drain electrode formed on a substrate; an RGO channel formed between the source electrode and the drain electrode; a PDMS (polydimethylsiloxane) chip supplying a reaction solution to the RGO channel; a passivation layer for sealing in order to prevent the reaction solution supplied through the PDMS chip from touching the source electrode and the drain electrode; and a gate electrode electrically connected to the reaction solution contacted to the RGO by being supplied through the PDMS chip. At this time, the passivation layer is formed with a SU-8 photoresistor, and the gate electrode is directly contacted to the reaction solution to thereby realize a liquid phase driving. The passivation layer is formed with SU-8 to allow supply of reaction solution through PDMS chip to be conveniently and stably realized. The operation is made possible at a gate voltage of ?1.0V˜1.Type: ApplicationFiled: May 29, 2019Publication date: August 5, 2021Applicant: XYZ PLATFORM INC.Inventors: Kyo Seon HWANG, Myung Sic CHAE, Dong Sung PARK, Yong Kyoung YOO, Jae Hyun KIM
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Publication number: 20190331563Abstract: Embodiments of the present invention provide a lateral flow assay method and strip wherein a sample is injected into a sample pad, a preconcentration kit is coupled to the sample pad to preconcentrate analytes, and a conjugate pad or a test pad is connected to the sample pad to transfer the analytes to the conjugate pad or the test pad, whereby a biomarker present at a low concentration can be detected.Type: ApplicationFiled: November 16, 2017Publication date: October 31, 2019Inventors: Jeong Hoon Lee, Yong Kyoung Yoo, Sung II Han, Cheon Jung Kim
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Patent number: 10368415Abstract: An improved lighting apparatus is disclosed. The lighting apparatus includes a direct current power supply unit, a light emitting unit operating in response to a direct current voltage applied from the direct current power supply unit, and a voltage control unit located between the direct current power supply unit and the light emitting unit to control the level of a voltage applied from the direct current power supply unit to the light emitting unit. The light emitting unit includes first light emitting groups having a first correlated color temperature and being turned on at a first turn-on voltage (VB) or above and second light emitting groups having a second correlated color temperature and being turned on at a second turn-on voltage (VA) greater than the first turn-on voltage. The first light emitting groups are connected in parallel with the second light emitting groups.Type: GrantFiled: August 22, 2018Date of Patent: July 30, 2019Assignee: LUMENS CO., LTD.Inventors: Tae Kyoung Yoo, Seong Bok Yoon
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Patent number: 10281419Abstract: A hydrogel-based interdigitated microelectrode biosensor is disclosed. The hydrogel-based interdigitated microelectrode biosensor includes: a first interdigitated microelectrode having a plurality of first protrusion electrodes arranged in a comb-like shape on a substrate; a second interdigitated microelectrode facing the first interdigitated microelectrode and having a plurality of second protrusion electrodes arranged in a comb-like shape on the substrate, the second protrusion electrodes being arranged alternately with the first protrusion electrodes of the first interdigitated microelectrode; and a hydrogel filled in a space between the first and second interdigitated microelectrodes arranged alternately with each other. The hydrogel is provided between the interdigitated microelectrodes such that the presence and concentration of a biological substance, such as a protein, are detected by measuring the impedance between the interdigitated microelectrodes.Type: GrantFiled: March 29, 2016Date of Patent: May 7, 2019Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyoseon Hwang, Nakwon Choi, Jinsik Kim, Hye Jin Kim, Yong Kyoung Yoo, Sang Yun Yeom, Woongsun Choi
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Publication number: 20190041357Abstract: The present disclosure relates to an interdigitated electrode biosensor using dielectrophoresis, including an insulating layer configured to fully cover a sensor forming region of a substrate, a first interdigitated microelectrode configured such that a plurality of first protruding electrodes is arranged in a shape of a comb on the substrate, a second interdigitated microelectrode configured such that a plurality of second protruding electrodes is arranged in a shape of a comb and each interdigitates with the plurality of first protruding electrodes formed in the first interdigitated microelectrode, and a plurality of receptors that is immobilized in a space between the first interdigitated microelectrode and the second interdigitated microelectrode and reacts specifically to target biomaterials, wherein different voltages are uniformly or nonuniformly applied to the first interdigitated microelectrode and the second interdigitated microelectrode to generate a dielectrophoretic force by a nonuniform electricType: ApplicationFiled: November 9, 2016Publication date: February 7, 2019Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Kyoseon HWANG, Jinsik KIM, Hye Jin KIM, Yong Kyoung YOO, Youngsoo KIM