Patents by Inventor Kangkyun Baek
Kangkyun Baek 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: 10543477Abstract: Provided are a polymer capsule loaded with transition metal particles having excellent water dispersibility and stability, and a method for preparing the same. Specifically, the polymer capsule loaded with transition metal particles according to the present invention includes a surface-modified polymer capsule surface-modified to thereby have a positive zeta potential in a dispersed state in water; and transition metal particles loaded on a surface of the surface-modified polymer capsule. In addition, a method for preparing a polymer capsule loaded with transition metal particles according to the present invention includes a) preparing a polymer capsule; b) surface-modifying the polymer capsule to prepare a polymer capsule having a positive zeta potential in a dispersed state in water; and c) sequentially adding a water-soluble transition metal precursor and a reducing agent to a water dispersion of the surface-modified polymer capsule obtained in step b).Type: GrantFiled: May 3, 2017Date of Patent: January 28, 2020Assignees: INSTITUTE FOR BASIC SCIENCE, POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kimoon Kim, Gyeongwon Yun, Zahid Hassan, Jiyeong Lee, Jeehong Kim, Nam Hoon Kim, Kangkyun Baek, Ilha Hwang
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Publication number: 20170320045Abstract: Provided are a polymer capsule loaded with transition metal particles having excellent water dispersibility and stability, and a method for preparing the same. Specifically, the polymer capsule loaded with transition metal particles according to the present invention includes a surface-modified polymer capsule surface-modified to thereby have a positive zeta potential in a dispersed state in water; and transition metal particles loaded on a surface of the surface-modified polymer capsule. In addition, a method for preparing a polymer capsule loaded with transition metal particles according to the present invention includes a) preparing a polymer capsule; b) surface-modifying the polymer capsule to prepare a polymer capsule having a positive zeta potential in a dispersed state in water; and c) sequentially adding a water-soluble transition metal precursor and a reducing agent to a water dispersion of the surface-modified polymer capsule obtained in step b).Type: ApplicationFiled: May 3, 2017Publication date: November 9, 2017Inventors: Kimoon KIM, Gyeongwon YUN, Zahid HASSAN, Jiyeong LEE, Jeehong KIM, Nam Hoon KIM, Kangkyun BAEK, Ilha HWANG
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Patent number: 9707548Abstract: Provided are a polymer capsule loaded with transition metal particles having excellent water dispersibility and stability, and a method for preparing the same. Specifically, the polymer capsule loaded with transition metal particles according to the present invention includes a surface-modified polymer capsule surface-modified to thereby have a positive zeta potential in a dispersed state in water; and transition metal particles loaded on a surface of the surface-modified polymer capsule. In addition, a method for preparing a polymer capsule loaded with transition metal particles according to the present invention includes a) preparing a polymer capsule; b) surface-modifying the polymer capsule to prepare a polymer capsule having a positive zeta potential in a dispersed state in water; and c) sequentially adding a water-soluble transition metal precursor and a reducing agent to a water dispersion of the surface-modified polymer capsule obtained in step b).Type: GrantFiled: April 16, 2015Date of Patent: July 18, 2017Assignees: INSTITUTE FOR BASIC SCIENCE, POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kimoon Kim, Gyeongwon Yun, Zahid Hassan, Jiyeong Lee, Jeehong Kim, Nam Hoon Kim, Kangkyun Baek, Iiha Hwang
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Publication number: 20170028389Abstract: Provided are a polymer capsule loaded with transition metal particles having excellent water dispersibility and stability, and a method for preparing the same. Specifically, the polymer capsule loaded with transition metal particles according to the present invention includes a surface-modified polymer capsule surface-modified to thereby have a positive zeta potential in a dispersed state in water; and transition metal particles loaded on a surface of the surface-modified polymer capsule. In addition, a method for preparing a polymer capsule loaded with transition metal particles according to the present invention includes a) preparing a polymer capsule; b) surface-modifying the polymer capsule to prepare a polymer capsule having a positive zeta potential in a dispersed state in water; and c) sequentially adding a water-soluble transition metal precursor and a reducing agent to a water dispersion of the surface-modified polymer capsule obtained in step b).Type: ApplicationFiled: April 16, 2015Publication date: February 2, 2017Inventors: Kimoon KIM, Gyeongwon YUN, Zahid HASSAN, Jiyeong LEE, Jeehong KIM, Nam Hoon KIM, Kangkyun BAEK, Ilha HWANG
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Publication number: 20130315989Abstract: A composition for photodynamic therapy including a polymer capsule having a diameter of about 10 nm to about 2000 nm synthesized by copolymerization of a flat aromatic compound represented by Formula 1 (see the specification) and an organic compound represented by Formula 2 (see the specification).Type: ApplicationFiled: August 2, 2013Publication date: November 28, 2013Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kimoon KIM, Kangkyun Baek, Gyeongwon Yun, Youngkook Kim, Raghunandan Hota, Kyeng Min Park, Hyuntae Jung
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Publication number: 20120045516Abstract: A composition for photodynamic therapy including a polymer capsule having a diameter of about 10 nm to about 2000 nm synthesized by copolymerization of a flat aromatic compound represented by Formula 1 (see the specification) and an organic compound represented by Formula 2 (see the specification).Type: ApplicationFiled: October 20, 2009Publication date: February 23, 2012Applicant: POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kimoon Kim, Kangkyun Baek, Gyeongwon Yun, Youngkook Kim, Raghunandan Hota, Kyeng Min Park, Hyuntae Jung
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Patent number: 7867391Abstract: The present disclosure provides a cucurbituril derivative-bonded solid substrate in which cucurbituril derivatives of Formula 1 are covalently bonded to a modified solid substrate of Formula 2. The cucurbituril derivative provides functional groups which can be used to link biomaterials to the substrate. Protein chips, gene chips, and sensors for biomaterial assays having the cucurbituril derivative-bonded solid substrate are also provided.Type: GrantFiled: July 5, 2004Date of Patent: January 11, 2011Assignee: Postech FoundationInventors: Kimoon Kim, Jin Koo Kang, Woo Seong Jeon, Sang Yong Jon, Selvapalam Narayanan, Dong Hyun Oh, Kangkyun Baek
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Patent number: 7718128Abstract: Provided are a kit including a first component that is a compound of formula (1) below bound to a first material and a second component that is a ligand bound to a second material, wherein each of the first and second materials is independently selected from the group consisting of a solid phase, a biomolecule, an antioxidant, a chemical therapeutic agent, an anti-histaminic agent, a cucurbituril dendrimer, a cyclodextrin derivative, a crown ether derivative, a calixarene derivative, a cyclophane derivative, a cyclic peptide derivative, a metallic ion, a chromophore, a fluorescent material, a phosphor, a radioactive material, and a catalyst; and the ligand can non-covalently bind to the compound of formula (1); a method of separating and purifying a material bound to a ligand using the compound of formula (1) bound to a solid phase; a method of separating and purifying the compound of formula (1) or a material bound to the compound using a ligand bound to a solid phase; a sensor chip including a compound of fType: GrantFiled: December 19, 2008Date of Patent: May 18, 2010Assignee: Postech FoundationInventors: Kimoon Kim, Kangkyun Baek, Jeeyeon Kim, Ilha Hwang, Young Ho Ko, Narayanan Selvapalam, Erumaipatty R. Nagarajan, Kyeng Min Park
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Patent number: 7611888Abstract: The present disclosure provides a rotaxane compound that can be used to separate molecules within a linkage layer formed on a solid substrate of a biochip by a predetermined distance. The compound is represented by Formula 1, in which a compound of Formula 3 vertically passes through a cavity of cucurbituril or its derivative of Formula 2. It further provides gene chips, protein chips and sensors for biomaterial assays which use the rotaxane molecules to allow biomaterials to be immobilized on a linkage layer such that they are regularly spaced apart from each other by a predetermined distance.Type: GrantFiled: July 5, 2004Date of Patent: November 3, 2009Assignee: Postech FoundationInventors: Kimoon Kim, Jin Koo Kang, Woo Seong Jeon, Miran Noh, Dongwoo Kim, Kangkyun Baek
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Publication number: 20090095677Abstract: Provided are a kit including a first component that is a compound of formula (1) below bound to a first material and a second component that is a ligand bound to a second material, wherein each of the first and second materials is independently selected from the group consisting of a solid phase, a biomolecule, an antioxidant, a chemical therapeutic agent, an anti-histaminic agent, a cucurbituril dendrimer, a cyclodextrin derivative, a crown ether derivative, a calixarene derivative, a cyclophane derivative, a cyclic peptide derivative, a metallic ion, a chromophore, a fluorescent material, a phosphor, a radioactive material, and a catalyst; and the ligand can non-covalently bind to the compound of formula (1); a method of separating and purifying a material bound to a ligand using the compound of formula (1) bound to a solid phase; a method of separating and purifying the compound of formula (1) or a material bound to the compound using a ligand bound to a solid phase; a sensor chip including a compound of fType: ApplicationFiled: December 19, 2008Publication date: April 16, 2009Applicants: POSTECH FOUNDATION, POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kimoon KIM, Kangkyun Baek, Jeeyeon Kim, Ilha Hwang, Young Ho Ko, Narayanan Selvapalam, Erumaipatty R. Nagarajan, Kyeng Min Park
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Patent number: 7479254Abstract: Provided are a kit including a first component that is a compound of formula (1) below bound to a first material and a second component that is a ligand bound to a second material, wherein each of the first and second materials is independently selected from the group consisting of a solid phase, a biomolecule, an antioxidant, a chemical therapeutic agent, an anti-histaminic agent, a cucurbituril dendrimer, a cyclodextrin derivative, a crown ether derivative, a calixarene derivative, a cyclophane derivative, a cyclic peptide derivative, a metallic ion, a chromophore, a fluorescent material, a phosphor, a radioactive material, and a catalyst; and the ligand can non-covalently bind to the compound of formula (1); a method of separating and purifying a material bound to a ligand using the compound of formula (1) bound to a solid phase; a method of separating and purifying the compound of formula (1) or a material bound to the compound using a ligand bound to a solid phase; a sensor chip including a compound of fType: GrantFiled: April 20, 2006Date of Patent: January 20, 2009Assignees: Postech Foundation, Postech Academy-Industry FoundationInventors: Kimoon Kim, Kangkyun Baek, Jeeyeon Kim, Iiha Hwang, Young Ho Ko, Narayanan Selvapalam, Erumaipatty R. Nagarajan, Kyeng Min Park
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Publication number: 20070092867Abstract: Provided are a kit including a first component that is a compound of formula (1) below bound to a first material and a second component that is a ligand bound to a second material, wherein each of the first and second materials is independently selected from the group consisting of a solid phase, a biomolecule, an antioxidant, a chemical therapeutic agent, an anti-histaminic agent, a cucurbituril dendrimer, a cyclodextrin derivative, a crown ether derivative, a calixarene derivative, a cyclophane derivative, a cyclic peptide derivative, a metallic ion, a chromophore, a fluorescent material, a phosphor, a radioactive material, and a catalyst; and the ligand can non-covalently bind to the compound of formula (1); a method of separating and purifying a material bound to a ligand using the compound of formula (1) bound to a solid phase; a method of separating and purifying the compound of formula (1) or a material bound to the compound using a ligand bound to a solid phase; a sensor chip including a compound of fType: ApplicationFiled: April 20, 2006Publication date: April 26, 2007Applicants: POSTECH FOUNDATION, POSTECH ACADEMY-INDUSTRY FOUNDATIONInventors: Kimoon Kim, Kangkyun Baek, Jeeyeon Kim, Iiha Hwang, Young Ko, Narayanan Selvapalam, Erumaipatty Nagarajan, Kyeng Park
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Publication number: 20060154254Abstract: The present disclosure provides a rotaxane compound that can be used to separate molecules within a linkage layer formed on a solid substrate of a biochip by a predetermined distance. The compound is represented by Formula 1, in which a compound of Formula 3 vertically passes through a cavity of cucurbituril or its derivative of Formula 2. It further provides gene chips, protein chips and sensors for biomaterial assays which use the rotaxane molecules to allow biomaterials to be immobilized on a linkage layer such that they are regularly spaced apart from each other by a predetermined distance.Type: ApplicationFiled: July 5, 2004Publication date: July 13, 2006Applicant: Postech FoundationInventors: Kimoon Kim, Jin Kang, Woo Jeon, Miran Noh, Dongwoo Kim, Kangkyun Baek