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公开(公告)号：US11849720B2
公开(公告)日：2023-12-26
申请号：US16702059
申请日：2019-12-03
Inventor： Seungwoo Lee , Dong June Ahn , Dong Kwon Lim , Jae Won Lee , Sang Yup Lee
CPC classification number: A01N1/0221 , A23L3/37 , C07K19/00 , C09K3/18 , A23V2002/00 , B82Y5/00 , B82Y40/00
Abstract: The present invention provides a a nanostructure which includes: a core comprising one or more planes configured to come into planar contact with at least one plane of an ice crystal; and an oligopeptide which is conjugated to at least one plane of the core and comprises (Thr)n-, (Ala)n-, (Ser)n-, or (Gly)n-, wherein the nanostructure is a polyhedron-shaped nanostructure present in water in a colloidal form to control freezing, and n is an integer of 2 to 7.
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公开(公告)号：US11912924B2
公开(公告)日：2024-02-27
申请号：US16702245
申请日：2019-12-03
Inventor： Dong June Ahn , Sang Yup Lee , Yong Ho Cho
CPC classification number: C09K5/20 , A01N1/0221 , A01N1/0284 , A23L3/37 , C01G7/00 , C09K3/18 , B22F1/0553 , C01P2004/12 , C01P2004/41 , C01P2004/64
Abstract: The present invention provides a composition for antifreezing including a gold (Au) nanostructure in which at least a portion thereof is concave, thereby it is possible to increase a survival rate of cells due to having excellent effect of inhibiting ice recrystallization when cryopreservation of the cells, and maintain a texture of food even when using in the freezing of food.
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公开(公告)号：US12133523B2
公开(公告)日：2024-11-05
申请号：US16973494
申请日：2019-12-12
Applicant: Korea University Research and Business Foundation , GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Eun Ji Lee , Chang Whan Lee , Dong June Ahn , In Hye Kim , Ha Yeon Kim , Ye Dam Lee
IPC: A01N1/02 , A23L3/3526 , A23L3/3535
Abstract: The present invention provides a composition for freezing control, a composition for freezing a cell, and a composition for freezing a food, which include a compound in which 2 to 5 amino acids, for example, 2, 3, 4, or 5 amino acids are connected to fluorenylmethyloxycarbony (Fmoc) through peptide bonding.
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公开(公告)号：US10246405B2
公开(公告)日：2019-04-02
申请号：US15008167
申请日：2016-01-27
Inventor： Dong June Ahn , Doo Ho Yang
IPC: B01J19/10 , B82Y30/00 , B82Y40/00 , C07C51/41 , C07C209/00
Abstract: Provided are a radial porous diacetylene particle, which is synthesized by ion-bonding a diacetylene-containing dicarboxylic acid or diamine monomer represented by Formula 1 with a diamine or dicarboxylic acid monomer represented by Formula 2, and a method of manufacturing the same.
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Patent Agency Ranking
公开(公告)号：US11492602B2
公开(公告)日：2022-11-08
申请号：US16702194
申请日：2019-12-03
Inventor： Min Kyu Oh , Dong June Ahn , Seungwoo Lee , Bo Young Lee , Jun Min Lee , Jae Won Lee
Abstract: The present invention provides a gene including an M13 p5 expressing cassette, which includes a promoter, a ribosome binding site (RBS) and a protein 5 (p5) coding region, wherein at least one base of sequences between the RBS and the p5 coding region is mutated. Using this gene may increase production of single-stranded DNA.
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公开(公告)号：US11105727B2
公开(公告)日：2021-08-31
申请号：US16702227
申请日：2019-12-03
Inventor： Dong June Ahn , Myung Ki Kim , Ye Dam Lee , Nu Ri Park
Abstract: The present invention provides a device for measuring a particle size at a low temperature, specifically, which includes a refrigerant tank containing a refrigerant; a heat conduction plate thermally connected to the refrigerant tank; and a nanoantenna located on the heat conduction plate, thereby it is possible to determine a degree of light transmission to the sample to be measured located on an upper portion of the nanoantenna, and predict the physical properties of the sample.
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公开(公告)号：US11041105B1
公开(公告)日：2021-06-22
申请号：US16702042
申请日：2019-12-03
Applicant: Korea University Research and Business Foundation , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
Inventor： Dong June Ahn , Byeong Su Kim , Sang Yup Lee , Woo Hyuk Jung , Min Seong Kim , Young Joo Hong
Abstract: The present invention provides a composition comprising branched polyglycerol for controlling freezing, more specifically, the composition has a number average molecular weight of 1,000 to 20,000 g/mol and a branching of 0.1 to 1, and may control enhancement or inhibition of ice recrystallization by adjusting a content of polyglycerol.
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公开(公告)号：US11800864B2
公开(公告)日：2023-10-31
申请号：US16702221
申请日：2019-12-03
Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION , Korea University Research and Business Foundation , PUKYONG NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
Inventor： Dong June Ahn , Ye Dam Lee , Do Nyun Kim , Chan Seok Lee , Sang Wook Wu , Su Hyun Park
CPC classification number: A01N1/0221 , A23L3/375 , C12N15/111
Abstract: The present invention provides a composition for inhibiting ice recrystallization, including: A nucleic acid structure comprising a scaffold nucleic acid folded at predetermined positions to form a plurality of strands, and a plurality of staple nucleic acids, wherein at least a portion thereof has a complementary sequence to at least a portion of the scaffold nucleic acid, thereby binding to the scaffold nucleic acid to form a double strand. Therefore, it is possible to increase a survival rate of cells due to having excellent effect of inhibiting ice recrystallization upon cryopreservation of the cells, and maintain a texture of food even when using the composition in the freezing of food.
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公开(公告)号：US20160137586A1
公开(公告)日：2016-05-19
申请号：US15008167
申请日：2016-01-27
Inventor： Dong June Ahn , Doo Ho Yang
IPC: C07C209/00 , B01J19/10 , C07C51/41
CPC classification number: C07C209/00 , B01J19/10 , B01J2219/0877 , B82Y30/00 , B82Y40/00 , C07C51/412 , Y10T428/2982
Abstract: Provided are a radial porous diacetylene particle, which is synthesized by ion-bonding a diacetylene-containing dicarboxylic acid or diamine monomer represented by Formula 1 above with a diamine or dicarboxylic acid monomer represented by Formula 2 above, and a method of manufacturing the same.
Abstract translation: 提供了一种径向多孔二乙炔颗粒及其制备方法，其通过将上述由式1表示的含二乙炔的二羧酸或二胺单体与由上述通式2表示的二胺或二羧酸单体进行离子键合而合成。
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