Patents Assigned to Research Cooperation Foundation of Yeungnam University
  • Publication number: 20220193641
    Abstract: A nanohybrid includes: reduced graphene oxide (rGO); zinc ferrite (ZnFe2O4) nanoparticles dispersed in the rGO; and manganese dioxide (MnO2) nanoflakes three-dimensionally attached on the rGO. The nanohybrid reduces recombination of graphene through the synergistic effects of MnO2 nanoflakes, ZnFe2O4 nanoparticles, and graphene, and increases the surface area of the catalyst, thus being capable of exhibiting higher catalytic activity than the conventional ?-MnO2@ZnFe2O4, ?-MnO2@rGO, and ZnFe2O4@rGO composites in the decomposition of harmful organic waste.
    Type: Application
    Filed: September 20, 2019
    Publication date: June 23, 2022
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jae-Jin SHIM, Amr Hussein Mady HUSSEIN
  • Publication number: 20220161272
    Abstract: Disclosed is an apparatus for capturing bioaerosols. More particularly, the apparatus for capturing bioaerosols includes a sprayer configured to spray a buffer solution for protecting aerosol particles in a form of droplets; and a capturer into which air including the droplets and the aerosol particles is introduced and in a capture solution in which the aerosol particles are captured, wherein discharge members provided with a plurality of nanostructures are provided on a surface of the capturer to charge the aerosol particles. Due to such a configuration, high discharge efficiency can be anticipated even at a low voltage without damage to aerosol particles.
    Type: Application
    Filed: February 26, 2021
    Publication date: May 26, 2022
    Applicants: Research Cooperation Foundation of Yeungnam University, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Jeong Hoon Byeon, Jung Ho Hwang, Hyeong Rae Kim, Sang Gwon An
  • Publication number: 20220105047
    Abstract: The present invention relates to a microcapsule composition in which polydopamine-coated calcium carbonate microspheres are encapsulated by forming an alginate gel on the surface of a spheroid conjugated thereto, and a method of preparing the same, and it is confirmed that according to the method of preparing the microcapsule, the drug or physiologically active material was individually microencapsulated by gradually forming an alginate gel on the surface of the spheroid containing the drug or physiologically active material, a drug or a bioactive material is placed in the center of a capsule in a very simple way, and a capsule of a very small size can be manufactured in a short time compared to the conventional encapsulation method by adjusting the size of the capsule.
    Type: Application
    Filed: August 7, 2019
    Publication date: April 7, 2022
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jee-Heon JEONG, Thanh Tung PHAM
  • Publication number: 20220096425
    Abstract: The present invention relates to an antiviral composition and a screening method thereof for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that occurred in Wuhan, China in 2019. An extract from leaves or unfertilized female flowers of Cannabis sativa L. or its fraction, and the cannabinoids (CBDs) molecules isolated from it have high binding strength and stability to SARS-CoV-2 Mpro, thereby inhibiting its action as the main protease, to provide a useful lead molecule that can be used alone or in combination with other drugs to treat SARS-CoV-2.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 31, 2022
    Applicants: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jintae LEE, Jungyeob HAM, Taejung KIM
  • Publication number: 20220023309
    Abstract: The present invention relates to a composition for preventing or treating cellular senescence-associated diseases comprising homoharringtonine as an active ingredient, and it was confirmed that the composition comprising homoharringtonine as an active ingredient exhibits a senolytics effect of selectively killing aging-induced fibroblasts and renal tubular cells, whereas aging-induced vascular endothelial cells and epithelial melanocytes and retinal pigmented epithelial cells, and exhibits a senomorphics effect of restoring the function and morphology of cells, and thus the homoharringtonine acts differently depending on the type of cells to effectively prevent or treat senile eye disease, tissue fibrosis disease, atherosclerosis, osteoarthritis, degenerative brain disease, chronic skin damage, obesity and diabetes caused by cellular aging and can be provided as a composition for whitening skin and life extension.
    Type: Application
    Filed: October 11, 2019
    Publication date: January 27, 2022
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jae-Ryong KIM, Eok-Cheon KIM, Kyong-Jin JUNG, Bum-Ho BIN, You Lim SON
  • Publication number: 20220023271
    Abstract: The present invention relates to a composition for preventing or treating cellular senescence-associated diseases comprising zotarolimus as an active ingredient, and in more detail, it was confirmed that zotarolimus exhibits a senomorphics effect of restoring the function and morphology of fibroblasts, umbilical vascular endothelial cells, renal tubular cells and retinal pigmented epithelial cells, in which senescence is induced and exhibits an effect of improving tissue fibrosis induced by cellular aging through the senomorphics effect and thus the composition comprising zotarolimus as an active ingredient can be provided as a composition for treating cellular senescence-associated diseases.
    Type: Application
    Filed: October 11, 2019
    Publication date: January 27, 2022
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jae-Ryong KIM, Eok-Cheon KIM, Kyong-Jin JUNG, You Lim SON
  • Publication number: 20220016043
    Abstract: The present application relates to a method for manufacturing a red blood cell-shaped nanostructure and a red blood cell-shaped nanostructure manufactured by the manufacturing method thereof. More specifically, the present application relates to a method for manufacturing a red blood cell-shaped nanostructure using a multi-fluid electrospray method including multiple nozzles, and a red blood cell-shaped nanostructure manufactured by the manufacturing method thereof.
    Type: Application
    Filed: November 25, 2019
    Publication date: January 20, 2022
    Applicants: University-Industry Foundation, Yonsei University, Research Cooperation Foundation of Yeungnam University
    Inventors: Jeong Hoon BYEON, Jung Ho HWANG, Dae Hoon PARK, Kang Sik NAM
  • Publication number: 20220008377
    Abstract: The present invention relates to a composition for preventing or treating cellular senescence-associated diseases comprising salinomycin as an active ingredient, which acts differently depending on the type of senescent cells, and it was confirmed that salinomycin exhibits a senomorphics effect of restoring the function and morphology of fibroblasts and vascular endothelial cells in which senescence is induced and exhibits a senolytics effect of selectively killing aging-induced retinal pigmented epithelial cells, and exhibits a senomorphics effect of restoring the function and morphology of cells, and thus the salinomycin acts differently depending on the type of cells to effectively prevent or treat senile eye disease, tissue fibrosis disease, atherosclerosis, osteoarthritis, degenerative brain disease, chronic skin damage, obesity and diabetes caused by cellular aging and can be provided as a composition for life extension.
    Type: Application
    Filed: October 11, 2019
    Publication date: January 13, 2022
    Applicant: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Jae-Ryong KIM, Eok-Cheon KIM, Kyong-Jin JUNG, You Lim SON
  • Publication number: 20210315957
    Abstract: A pharmaceutical composition and a health functional food composition for preventing, treating, or improving muscular diseases have licorice extract or a fraction thereof, or a compound isolated therefrom or a pharmaceutically acceptable salt thereof, as an active ingredient. The licorice extract or a fraction thereof, the compound or salt thereof induce the myoblasts proliferation and promote the differentiation into myotubes, and since the licorice extract or a fraction thereof, the compound or salt thereof has an excellent effect on regenerating damaged muscles, various muscle diseases are effectively prevented, improved or treated using the composition.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 14, 2021
    Applicants: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, KOREA INSTITUTE OF ORIENTAL MEDICINE, DAEGU CATHOLIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Inho CHOI, Eun Ju LEE, So-young PARK, Yong-Ho LEE, Jin Yeul MA, Won-Kyung CHO, Hye Jin YANG
  • Patent number: 11052429
    Abstract: Disclosed herein is a particle separation apparatus. The particle separation apparatus includes: a bioreactor; a first flow path through which the sludge is discharged from the bioreactor; a first filter including a first mesh separating the granular microorganisms contained in the sludge according to size; a second flow path into which an effluent having passed through the first filter flows; a third flow path connected to the second flow path to discharge the effluent outside; a fourth flow path connected to one side of the second flow path and mounted on a surface of the first filter connected to a surface of the first filter with the second flow path mounted thereon; a fifth flow path through which the effluent having been discharged from the fourth flow path and passed through the first filter flows into the bioreactor; and a first pump creating a flow of the effluent.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 6, 2021
    Assignee: Research Cooperation Foundation of Yeungnam University
    Inventors: Jin Young Jung, Byeong Jun Lee
  • Publication number: 20210028074
    Abstract: Disclosed in the present specification are an apparatus and a method capable of quickly verifying a plurality of micro LEDs. An LED verification substrate according to the present specification is a micro LED verification substrate having a plurality of verification chips, wherein each verification chip can comprise: a first contact deposited on the upper side of a lower substrate; a first passivation layer deposited on the upper side of the first contact; a second contact deposited on the upper side of the first passivation layer; a second passivation layer deposited on the upper side of the second contact; a first bump electrically connected to the first contact and protruding above the upper surface of the second passivation layer; and a second bump electrically connected to the second contact and protruding above the upper surface of the second passivation layer.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 28, 2021
    Applicant: Research Cooperation Foundation of Yeungnam University
    Inventors: Si Hyun Park, Young Woong Lee
  • Patent number: 10899915
    Abstract: Disclosed is a wax-based thermoplastic organic binder composition consisting of: 50 to 94 wt % of a wax mixture comprising paraffin wax and microcrystalline wax; 3 to 35 wt % of a polyolefin copolymer having a carbonyl group as a backbone polymer; and 3 to 15 wt % of a process control agent.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: January 26, 2021
    Assignee: Research Cooperation Foundation of Yeungnam University
    Inventor: Kwan Hee Han
  • Patent number: 10881854
    Abstract: Provided is a respiratory muscle strengthening device, in which an inhalation start signal is generated correspondingly at an inhalation start time when a patient inhales air or an exhalation start signal is generated correspondingly at an exhalation start time when the patient exhales air, an electric signal according to the inhalation start signal or the exhalation start signal is transmitted to an electric muscle stimulator via a communication unit, a muscle pad installed on respiratory muscles of the patient enables smooth breathing motion by stimulating the respiratory muscles based on a signal transmitted from the electric muscle stimulator, and a receptor pad is provided to the respiratory muscles such that an alarm of determining whether electric stimulation is normally applied via the state of the respiratory muscles detected through the receptor pad is output, thereby securing reliability of a device.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: January 5, 2021
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Su Min Son, Eun Yong Choi, Joon Ha Lee, So Young Kwak
  • Patent number: 10864300
    Abstract: Disclosed is a method for preparing a bilayer scaffold through single process comprising: preparing a first polymer aqueous solution; adding a second polymer into the first polymer aqueous solution and stirring a reactant; adding a surfactant into the stirred reactant and stirring the reactant at high temperature and high speed; freeze-drying the stirred reactant thereby obtaining a sponge; dipping the sponge in a cross-linking agent thereby rendering be cross-linked; and freeze-drying the cross-linked reactant.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: December 15, 2020
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Sung Soo Han, Soon Mo Choi, Deep Ti Singh
  • Patent number: 10786460
    Abstract: The present invention relates to a self-assembly preparation method of a nanocomposite material, and more particularly, relates to a self-assembly preparation method of a nanocomposite material comprising steps of: spraying a drug-containing solution onto metal aerosol nanoparticles to form a drug layer on the metal aerosol nanoparticles; and spraying a polymer-containing solution onto the metal aerosol nanoparticles, on which the drug layer is formed, to form a polymer layer on the drug layer, whereby since the method involves no liquid chemical process upon producing the metal aerosol nanoparticles, the processes are simple and can be performed even at a low temperature to suppress deformation of an organic or a drug, and the release rate of the drug, or the like can be easily controlled through metal types of metal aerosol nanoparticles, modification, and the like.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: September 29, 2020
    Assignee: Research Cooperation Foundation of Yeungnam University
    Inventor: Jeong Hoon Byeon
  • Patent number: 10785078
    Abstract: A method for signal modulation in a filter bank multi-carrier system is provided. A modulation method according to one embodiment of the present disclosure includes generating a plurality of different candidate transmission signals by modulating a complex symbol vector including a plurality of complex symbols in a discrete Fourier transform (DFT) spread filter bank multi-carrier (FBMC)/offset quadrature amplitude modulation (OQAM) scheme and selecting a candidate transmission signal having a lowest peak power or peak-to-average power ratio (PAPR) as a transmission signal, wherein the generating of the plurality of candidate transmission signals comprises applying a different phase offset to the complex symbol vector according to a candidate transmission signal to be generated.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: September 22, 2020
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Kwonhue Choi, Dongjun Na
  • Patent number: 10777866
    Abstract: Disclosed is a quasi-circulator using an asymmetric directional coupler. The quasi-circulator using the asymmetric directional coupler according to an embodiment of the present invention may enhance a characteristic of isolating a transmitting signal from a receiving signal with the same characteristic as transmitting signal loss of a symmetric directional coupler in the related art by arranging impedance of each line of a directional coupler asymmetrically.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: September 15, 2020
    Assignee: RESEARCH COOPERATION FOUNDATION OF THE YEUNGNAM UNIVERSITY
    Inventors: Jong Ryul Yang, Bo Yoon Yoo, Ha Neul Lee, Ju Hee Son
  • Patent number: 10773219
    Abstract: The present invention relates to: a polymer composition for preparing a hydrophilic separation membrane, containing sulfonated inorganic particles, preferably, sulfonated titanium dioxide; and a hydrophilic separation membrane prepared therefrom. The hydrophilic separation membrane of the present invention has advantages of having excellent water flux and an excellent antifouling property.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: September 15, 2020
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventors: Young Ho Ahn, Sivasankaran Ayyaru
  • Patent number: 10768149
    Abstract: An apparatus for improving transmission directivity according to an embodiment of the present invention includes a phased array probe including a channel 1 transducer and a channel 2 transducer which are arranged at intervals corresponding to a quarter wavelength at a center frequency of a guided wave pulse for long-range ultrasonic testing, and a drive unit which supplies electric pulses with opposite phases to the channel 1 transducer and the channel 2 transducer of the channel 1 transducer and the channel 2 transducer, which is disposed on the front end on the basis of an intended transmission direction, is driven with delay by a time corresponding to a quarter frequency of the center frequency than the other transducer disposed on the rear end.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: September 8, 2020
    Assignees: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, DIGITAL ULTRASONICS CO. LTD
    Inventor: Myoung-Seon Choi
  • Patent number: 10722834
    Abstract: The present application relates to a functional fiber for adsorbing heavy metal and a method for producing the same, and the functional fiber for adsorbing heavy metal of the present application may have a structure in which thiolated metal nanoparticles are attached to a porous fiber, thereby minimizing the pore clogging of the porous fiber to remarkably improve the adsorption capacity of heavy metal materials, may be prepared by applying the dry technology without liquid impregnation, thereby minimizing the pore clogging of the porous fiber and fundamentally blocking the process wastewater generation, and is easy to implement the roll-to-roll system, so that continuous production is possible and thus productivity may be improved.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: July 28, 2020
    Assignee: RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY
    Inventor: Jeong Hoon Byeon