Patents by Inventor Xiaohua Yu

Xiaohua Yu 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).

  • Patent number: 10745739
    Abstract: Disclosed are methods for cell transfection and regulating cellular behavior. More particularly, the present disclosure relates to methods of non-viral cell transfection and regulating cellular behavior using mineral coatings that allow for the enhanced transfection of cells. The mineral coatings bind polynucleotides and provide a source of calcium and phosphate ions to enhance transfection. The present disclosure also provides a high throughput platform for screening non-viral transfection of cells. The methods of the present disclosure also provide an advantageous polynucleotide delivery platform because the mineral coatings may be deposited on various medical device materials after being specifically developed using the high throughput screening platform.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: August 18, 2020
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: William L. Murphy, Siyoung Choi, Xiaohua Yu
  • Publication number: 20200170958
    Abstract: Disclosed are compositions and methods for the co-delivery of ribonucleic acids and interferon binding proteins. Compositions include mineral coated microparticles having a mineral layer, a ribonucleic acid, and an interferon binding protein. Ribonucleic acids and interferon binding proteins can be adsorbed to the mineral layer, can be incorporated into the mineral layer, and combinations thereof. Also disclosed are methods for co-delivery of ribonucleic acids and interferon binding proteins and methods for treating inflammatory diseases using mineral coated microparticles having a mineral layer to provide co-delivery of ribonucleic acids and interferon binding proteins.
    Type: Application
    Filed: July 5, 2018
    Publication date: June 4, 2020
    Inventors: William L. Murphy, Andrew Salim Khalil, Xiaohua Yu
  • Publication number: 20200138976
    Abstract: Disclosed are formulations for providing a therapeutic bioactive polypeptide to injured tissue. Formulations include mineral coated microparticles wherein a polynucleotide is adsorbed to the mineral layer. Other formulations include a carrier including mineral coated microparticles wherein mineral coated microparticles include a polynucleotide. Also disclosed are methods for sustained delivery of a bioactive polypeptide and methods for treating chronic wounds using a formulation for providing sustained delivery of the bioactive peptide.
    Type: Application
    Filed: July 5, 2018
    Publication date: May 7, 2020
    Inventors: William L. MURPHY, Andrew Salim KHALIL, Xiaohua YU
  • Publication number: 20190070272
    Abstract: Devices and methods for treating defects in connective tissue are provided along with methods for making such devices. The devices can include enzyme-activated acellular tissue matrices that facilitate regrowth of the damaged tissue.
    Type: Application
    Filed: November 16, 2018
    Publication date: March 7, 2019
    Inventors: Wenquan Sun, Xiaohua Yu
  • Patent number: 10167246
    Abstract: A preparative method for carboxylic acids is disclosed in the present invention. The method is characterized in that: compounds (II) are reacted in the presence of hydrogen peroxide and base to produce target products (I), as represented by the following reaction scheme: wherein R1 is aryl, pyridyl, pyrimidyl, pyridazinyl, pyrazinyl, benzothienyl, benzofuranyl, quinolinyl, isoquinolinyl, thiadiazolyl, C1-6 alkyl, C3-6 cycloalkyl, C2-6 alkenyl, C2-6 alkynyl and hydrogen; R2 is alkoxycarbonyl, alkylaminocarbonyl, aminocarbonyl, alkylthiolcarbonyl, cyano, sulfonyl, sulfinyl, carbonyl, aldehyde, carboxyl, nitro, alkyl and hydrogen; R3 is alkoxycarbonyl, alkyl amido carbonyl, aminocarbonyl, cyano, sulfonyl, sulfinyl, carbonyl, carboxyl and nitro. The present invention has the following main benefits: cheap and readily available starting materials, safe processes, high yield, good quality, which facilitates industrial production.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: January 1, 2019
    Assignee: ZHEJIANG ZHUJI UNITED CHEMICALS CO., LTD
    Inventors: Yehua Su, Jieping Shi, Jianxin Lu, Tianhao Zhang, Xiaohua Yu, Guoping Cai, Bangchi Chen
  • Patent number: 10159722
    Abstract: Devices and methods for treating defects in connective tissue are provided along with methods for making such devices. The devices can include enzyme-activated acellular tissue matrices that facilitate regrowth of the damaged tissue.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: December 25, 2018
    Assignee: LifeCell Corporation
    Inventors: Wenquan Sun, Xiaohua Yu
  • Publication number: 20180289862
    Abstract: A composite material for bone repair based on a decellularized biological tissue matrix material and a preparation method thereof. The composite material for bone repair comprises an organic phase of a microfibrillar decellularized animal tissue matrix material and an inorganic phase of a calcium salt bioceramic or other inorganic bioglass. A preparation process for the composite material for bone repair does not need physical or chemical crosslinking. The composite material for bone repair has a three-dimensional porous network structure, and protein components in the biological tissue matrix material maintain a natural triplex structure. The composite material for bone repair has excellent biocompatibility, biodegradability, osteoconductivity, osteoinductivity, and osteogenecity, also has certain mechanical strength and shape memory function, and can be used as a bone filling material or a repair material for large-area bone defect.
    Type: Application
    Filed: November 21, 2016
    Publication date: October 11, 2018
    Applicant: Hangzhou Huamai Medical Devices Co., Ltd.
    Inventors: Hua LIAO, Chunhua YU, Tao JIANG, Xiaohua YU
  • Publication number: 20180264172
    Abstract: An injectable composite material for bone repair comprises a biological tissue material and bioceramics in order to serve as a three-dimensional scaffold for bone regeneration. The biological tissue material consists of microfibers having a naturally cross-linked structure without additional physical or chemical cross-linking, has superior biological compatibility, and can be slowly and completely degraded in vivo. The bioceramics in the composite material serves as a reinforcing phase. When combining the biological tissue material with the bioceramics, the composite material provides a template for bone tissue regeneration to effectively induce bone growth. The injectable composite material for bone repair can be used to fill bone defects, particularly critical-sized bone defects, and can be combined with a biological agent such as bone marrow to improve its biological activity.
    Type: Application
    Filed: November 21, 2016
    Publication date: September 20, 2018
    Applicant: Hangzhou Huamai Medical Devices Co., Ltd.
    Inventors: CHUNHUA YU, HUA LIAO, XIAOHUA YU, TAO JIANG
  • Publication number: 20180201972
    Abstract: Disclosed are methods for cell transfection and regulating cellular behavior. More particularly, the present disclosure relates to methods of non-viral cell transfection and regulating cellular behavior using mineral coatings that allow for the enhanced transfection of cells. The mineral coatings bind polynucleotides and provide a source of calcium and phosphate ions to enhance transfection. The present disclosure also provides a high throughput platform for screening non-viral transfection of cells. The methods of the present disclosure also provide an advantageous polynucleotide delivery platform because the mineral coatings may be deposited on various medical device materials after being specifically developed using the high throughput screening platform.
    Type: Application
    Filed: March 12, 2018
    Publication date: July 19, 2018
    Inventors: William L. Murphy, Siyoung Choi, Xiaohua Yu
  • Patent number: 9951374
    Abstract: Disclosed are methods for cell transfection and regulating cellular behavior. More particularly, the present disclosure relates to methods of non-viral cell transfection and regulating cellular behavior using mineral coatings that allow for the enhanced transfection of cells. The mineral coatings bind polynucleotides and provide a source of calcium and phosphate ions to enhance transfection. The present disclosure also provides a high throughput platform for screening non-viral transfection of cells. The methods of the present disclosure also provide an advantageous polynucleotide delivery platform because the mineral coatings may be deposited on various medical device materials after being specifically developed using the high throughput screening platform.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: April 24, 2018
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: William L. Murphy, Siyoung Choi, Xiaohua Yu
  • Publication number: 20170369412
    Abstract: A preparative method for carboxylic acids is disclosed in the present invention. The method is characterized in that: compounds (II) are reacted in the presence of hydrogen peroxide and base to produce target products (I), as represented by the following reaction scheme: wherein R1 is aryl, pyridyl, pyrimidyl, pyridazinyl, pyrazinyl, benzothienyl, benzofuranyl, quinolinyl, isoquinolinyl, thiadiazolyl, C1-6 alkyl, C3-6 cycloalkyl, C2-6 alkenyl, C2-6 alkynyl and hydrogen; R2 is alkoxycarbonyl, alkylaminocarbonyl, aminocarbonyl, alkylthiolcarbonyl, cyano, sulfonyl, sulfinyl, carbonyl, aldehyde, carboxyl, nitro, alkyl and hydrogen; R3 is alkoxycarbonyl, alkyl amido carbonyl, aminocarbonyl, cyano, sulfonyl, sulfinyl, carbonyl, carboxyl and nitro. The present invention has the following main benefits: cheap and readily available starting materials, safe processes, high yield, good quality, which facilitates industrial production.
    Type: Application
    Filed: September 25, 2015
    Publication date: December 28, 2017
    Inventors: Yehua Su, Jieping Shi, Jianxin Lu, Tianhao Zhang, Xiaohua Yu, Guoping Cai, Bangchi Chen
  • Patent number: 9592278
    Abstract: Devices and methods for treating defects in connective tissue are provided along with methods for making such devices. The devices can include enzyme-activated acellular tissue matrices that facilitate regrowth of the damaged tissue.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: March 14, 2017
    Assignee: LifeCell Corporation
    Inventors: Wenquan Sun, Xiaohua Yu
  • Publication number: 20170065743
    Abstract: Devices and methods for treating defects in connective tissue are provided along with methods for making such devices. The devices can include enzyme-activated acellular tissue matrices that facilitate regrowth of the damaged tissue.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 9, 2017
    Applicant: LifeCell Corporation
    Inventors: Wenquan Sun, Xiaohua Yu
  • Publication number: 20160193390
    Abstract: A perivascular delivery system and method are provided for preventing the development of restenosis of a blood vessel. The perivascular delivery system includes a sheath having inner face engageable with an outer surface of the blood vessel and first and second ends. The sheath is fabricated from a bioresorbable polymer. An anti-proliferative drug is loaded into the sheath. The anti-proliferative drug is delivered from the sheath to the blood vessel over time.
    Type: Application
    Filed: January 4, 2016
    Publication date: July 7, 2016
    Inventors: Lian-Wang Guo, Kenneth Craig Kent, William L. Murphy, Xiaohua Yu
  • Patent number: 9362975
    Abstract: A low noise amplifier for carrier aggregation and non-carrier aggregation is provided. The low noise amplifier includes a plurality of symmetrical half circuits, a plurality of bias circuits, where each of the plurality of bias circuits is connected to one of the plurality of symmetrical half circuits, a plurality of capacitors, where each of the plurality of capacitors is connected to one of the plurality of symmetrical half circuits for Alternating Current (AC) coupling an RF signal containing at least one component carrier, and a control logic circuit connected to each of the plurality of symmetrical half circuits for configuring the low noise amplifier to process one component carrier or a plurality of component carriers.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: June 7, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jianxin Wu, Xiaohua Yu, Sangwon Son, Naveen Alluri
  • Publication number: 20160065264
    Abstract: A low noise amplifier for carrier aggregation and non-carrier aggregation is provided. The low noise amplifier includes a plurality of symmetrical half circuits, a plurality of bias circuits, where each of the plurality of bias circuits is connected to one of the plurality of symmetrical half circuits, a plurality of capacitors, where each of the plurality of capacitors is connected to one of the plurality of symmetrical half circuits for Alternating Current (AC) coupling an RF signal containing at least one component carrier, and a control logic circuit connected to each of the plurality of symmetrical half circuits for configuring the low noise amplifier to process one component carrier or a plurality of component carriers.
    Type: Application
    Filed: October 21, 2014
    Publication date: March 3, 2016
    Inventors: Jianxin WU, Xiaohua Yu, Sangwon Son, Naveen Alluri
  • Publication number: 20160017368
    Abstract: Disclosed are methods for cell transfection and regulating cellular behavior. More particularly, the present disclosure relates to methods of non-viral cell transfection and regulating cellular behavior using mineral coatings that allow for the enhanced transfection of cells with reduced cytotoxicity. The mineral coatings bind biomaterials and provide a source of calcium and phosphate ions to enhance transfection. The present disclosure also provides a high throughput platform for screening non-viral transfection of cells. The methods of the present disclosure also provide an advantageous biomaterial delivery platform because the mineral coatings may be deposited on various medical device materials after being specifically developed using the high throughput screening platform.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Inventors: William L. Murphy, Andrew Salim Khalil, Xiaohua Yu, Krishanu Saha, Jared Matthew Carlson-Stevermeyer, Benjamin Gabriel Steyer
  • Publication number: 20140235498
    Abstract: Disclosed are methods for cell transfection and regulating cellular behavior. More particularly, the present disclosure relates to methods of non-viral cell transfection and regulating cellular behavior using mineral coatings that allow for the enhanced transfection of cells. The mineral coatings bind polynucleotides and provide a source of calcium and phosphate ions to enhance transfection. The present disclosure also provides a high throughput platform for screening non-viral transfection of cells. The methods of the present disclosure also provide an advantageous polynucleotide delivery platform because the mineral coatings may be deposited on various medical device materials after being specifically developed using the high throughput screening platform.
    Type: Application
    Filed: February 19, 2013
    Publication date: August 21, 2014
    Applicant: WISCONSIN ALUMNI RESEARCH FOUNDATION
    Inventors: William L. Murphy, Siyoung Choi, Xiaohua Yu
  • Publication number: 20130236439
    Abstract: Devices and methods for treating defects in connective tissue are provided along with methods for making such devices. The devices can include enzyme-activated acellular tissue matrices that facilitate regrowth of the damaged tissue.
    Type: Application
    Filed: February 26, 2013
    Publication date: September 12, 2013
    Applicant: LifeCell Corporation
    Inventors: Wenquan Sun, Xiaohua Yu
  • Patent number: 8285243
    Abstract: Provided is a low-power wake-up receiver that is sensitive to electric waves, by which power consumed by a radio frequency (RF) transceiver of a sensor node in a ubiquitous sensor network (USN) is minimized. A wake-up receiver waking up a main transceiver includes a duty cycle signal generation unit controlling a duty cycle of a duty cycle signal; a burst signal detection unit receiving an input signal including a burst signal and a data signal based on the duty cycle signal, amplifying the input signal, and, if the amplified input signal is the burst signal, outputting a control signal; and a data signal detection unit re-amplifying the amplified input signal based on the control signal, and, if the re-amplified input signal is the data signal, outputting a wake-up signal. Power supplied to the duty cycle signal generation unit is interrupted based on the control signal and power is re-supplied to the duty cycle signal generation unit based on the wake-up signal.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: October 9, 2012
    Assignees: Electronics and Telecommunications Research Institute, Korea Advanced Institute of Science and Technology
    Inventors: Ho-Yong Kang, Dae-Young Yoon, Trung-Kien Nguyen, Ji-Eun Kim, Xiaohua Yu, Nae-Soo Kim, Cheol-Sig Pyo, Seok-Kyun Han, Sang-Gug Lee