Patents by Inventor Fengxia Qi

Fengxia Qi 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: 10111926
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: October 30, 2018
    Assignees: The Regents of the University of California, C3 Jian, LLC
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He, Ian H. McHardy
  • Publication number: 20160331804
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Application
    Filed: May 24, 2016
    Publication date: November 17, 2016
    Applicant: C3 Jian, Inc.
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He, Ian H. McHardy
  • Patent number: 9351490
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: May 31, 2016
    Assignee: The Regents of the University of California
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He, Ian H. McHardy
  • Patent number: 9127045
    Abstract: Methods for selectively manipulating a growth rate of a selected bacterium comprising the step of contacting the selected bacterium with a predetermined amount of a quorum sensing molecule to affect a change in the growth rate of the selected bacterium, wherein the quorum sensing molecule is species specific, and the change in the growth rate is dependent on the amount of quorum sensing molecule in a dose-dependent fashion. Also provided are methods for treating or protecting against bacterial infections by utilizing the dose-dependent response of bacterial quorum sensing systems. The methods can be applied to a wide range of bacteria species including Streptococci, Staphylococci, and Bacilli. Compositions, medicaments and oral formulations for use with the methods are also disclosed.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: September 8, 2015
    Assignees: UNIVERSITY OF SOUTHERN CALIFORNIA, THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Steven D. Goodman, Olga Kay, Wenyuan Shi, Fengxia Qi
  • Publication number: 20140155317
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Application
    Filed: February 11, 2014
    Publication date: June 5, 2014
    Applicants: C3 JIAN, INC., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He, Ian H. McHardy
  • Patent number: 8680058
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: March 25, 2014
    Assignees: The Regents of the University of California, C3 Jian, Inc.
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He, Ian H. McHardy
  • Patent number: 8609608
    Abstract: This invention provides novel antimicrobial peptides that are effective to inhibit growth and/or proliferation of various gram positive bacteria. In particular, the peptides are effective against Streptococcus mutans a common oral pathogen and the causative agent of dental caries.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: December 17, 2013
    Assignees: C3 Jian, Inc., The Regents of the University of California
    Inventors: Jian He, Randal H. Eckert, Fengxia Qi, Maxwell H. Anderson, Wenyuan Shi
  • Publication number: 20120029248
    Abstract: Constructs, vectors and cyanobacteria for the synthesis of fatty alcohols, and methods for producing fatty alcohols in cyanobacteria is disclosed.
    Type: Application
    Filed: June 28, 2011
    Publication date: February 2, 2012
    Applicant: SHELL OIL COMPANY
    Inventors: Xuefeng LU, Xiaoming TAN, Qianqian GAO, Lun YAO, Fengxia QI
  • Publication number: 20110207657
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Application
    Filed: November 2, 2010
    Publication date: August 25, 2011
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Fengxia Qi, Jian He, Ian H. McHardy, Maxwell H. Anderson
  • Publication number: 20110085989
    Abstract: This invention provides novel antimicrobial peptides that are effective to inhibit growth and/or proliferation of various gram positive bacteria. In particular, the peptides are effective against Streptococcus mutans a common oral pathogen and the causative agent of dental caries.
    Type: Application
    Filed: March 24, 2010
    Publication date: April 14, 2011
    Inventors: Jian He, Randal H. Eckert, Fengxia Qi, Maxwell H. Anderson, Wenyuan Shi
  • Patent number: 7846895
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: December 7, 2010
    Assignees: The Regents of the University of California, C3 Jian, Inc.
    Inventors: Randal H. Eckert, Daniel K. Yarbrough, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He, Ian H. McHardy
  • Publication number: 20100184654
    Abstract: The present invention is based on the discovery of a composition that provides targeted anti-microbial effect. Specifically the composition contains a targeting moiety which recognizes a target microbial organism and an anti-microbial peptide moiety which has anti-microbial activity. In addition, the present invention provides methods of treating a microbial infection, e.g., on mucosal surfaces by using the compositions provided by the present invention.
    Type: Application
    Filed: January 30, 2009
    Publication date: July 22, 2010
    Inventors: Randal Eckert, Fengxia Qi, Wenyuan Shi, Maxwell H. Anderson
  • Patent number: 7713927
    Abstract: This invention provides novel antimicrobial peptides that are effective to inhibit growth and/or proliferation of various gram positive bacteria. In particular, the peptides are effective against Streptococcus mutans a common oral pathogen and the causative agent of dental caries.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: May 11, 2010
    Assignees: The Regents of the University of California, C3 Jian, Inc.
    Inventors: Jian He, Randal H. Eckert, Fengxia Qi, Maxwell H. Anderson, Wenyuan Shi
  • Patent number: 7655236
    Abstract: According to the present invention, an isolated and purified DNA sequence which encodes a lantibiotic, mutacin I, is disclosed. The nucleic acid sequence is set forth in SEQ ID No: 1 and the amino acid sequence is set forth in SEQ ID No: 2.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: February 2, 2010
    Assignee: The UAB Research Foundation
    Inventors: Fengxia Qi, Page W. Caufield, Ping Chen
  • Publication number: 20090298707
    Abstract: In certain embodiments, this invention pertains to the creation of “Sparse Matrix” libraries of compounds. The sparse matrix libraries of this invention typically span an n-dimensional parameter (property) space at extremely sparse intervals and thereby provide a relatively small library of compounds (e.g., a library of about 200 or fewer compounds) that can be used to quickly and efficiently screen the compound parameter space for one or more desired physical, chemical, or biological properties (e.g., binding specificity, binding avidity, ?toxicity, solubility, mobility, cell permeability, serum half-life, biocompatibility, etc.).
    Type: Application
    Filed: March 18, 2009
    Publication date: December 3, 2009
    Applicants: The Regents of the University of California, C3 Jian, Inc.
    Inventors: Daniel K. Yarbrough, Randal H. Eckert, Ben Wu, Elizabeth M. Hagerman, Wenyuan Shi, Maxwell H. Anderson, Fengxia Qi, Jian He
  • Patent number: 7569542
    Abstract: The present invention is based on the discovery of a composition that provides targeted anti-microbial effect. Specifically the composition contains a targeting moiety which recognizes a target microbial organism and an anti-microbial peptide moiety which has anti-microbial activity. In addition, the present invention provides methods of treating a microbial infection, e.g., on mucosal surfaces by using the compositions provided by the present invention.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: August 4, 2009
    Assignee: The Regents of the University of California
    Inventors: Randal Eckert, Fengxia Qi, Wenyuan Shi, Maxwell H. Anderson
  • Publication number: 20090098050
    Abstract: Disclosed herein are a class of compounds comprising peptides of the sequence (X-Y-Z)n, wherein X is an amino acid selected from aspartic acid, glutamic acid, asparagine, alanine and glutamine, and Y and Z are amino acids selected from alanine, serine, threonine, phosphoserine, phosphothreonine, and their derivatives. These compounds have the property of binding tightly and specifically to calcified surfaces, making them useful for a variety of applications including remineralization of tooth and bone surfaces, diagnosis of bone and tooth defects, treatment of bone and tooth defects, and analysis of the presence and location of calcified deposits both in vitro and in vivo and in industrial, synthetic, medical, dental, and research applications where identification, localization, or manipulation of calcification is desirable.
    Type: Application
    Filed: September 27, 2006
    Publication date: April 16, 2009
    Applicant: THE REGENTS OF THE UNVERSITY OF CALIFORNIA
    Inventors: Daniel Yarbrough, Wenyuan Shi, Elizabeth Hagerman, Sotirios Tetradis, Fengxia Qi, Jian He, Bruce Rutherford, Randal Eckert, Ben Wu
  • Publication number: 20080286210
    Abstract: This invention provides novel antimicrobial peptides that are effective to inhibit growth and/or proliferation of various gram positive bacteria. In particular, the peptides are effective against Streptococcus mutans a common oral pathogen and the causative agent of dental caries.
    Type: Application
    Filed: January 15, 2008
    Publication date: November 20, 2008
    Inventors: Jian He, Randal H. Eckert, Fengxia Qi, Maxwell H. Anderson, Wenyuan Shi
  • Publication number: 20080170991
    Abstract: The present invention relates to targeting peptides capable of specifically binding to microbial organisms (e.g., P. aeruginosa or S. mutans), antimicrobial peptides having antimicrobial activities, and specifically/selectively targeted antimicrobial peptides (STAMPs). In addition, the present invention provides methods of selectively killing or inhibiting microbial organisms by using the peptides or compositions provided by the present invention.
    Type: Application
    Filed: September 6, 2007
    Publication date: July 17, 2008
    Inventors: Wenyuan Shi, Randal H. Eckert, Daniel K. Yarbrough, Fengxia Qi, Jian He, Ian H. McHardy, Maxwell H. Anderson
  • Publication number: 20040235137
    Abstract: According to the present invention, an isolated and purified DNA sequence which encodes a lantibiotic, mutacin I, is disclosed. The nucleic acid sequence is set forth in SEQ ID No: 1 and the amino acid sequence is set forth in SEQ ID No: 2.
    Type: Application
    Filed: March 2, 2004
    Publication date: November 25, 2004
    Inventors: Fengxia Qi, Page W. Caufield, Ping Chen