Patents by Inventor Kok Zhi Lee

Kok Zhi Lee 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: 11820988
    Abstract: Methods and nucleic acid sequences for the synthesis of biotemplates in a non-plant based expression system are provided. Such biotemplates include Barley stripe mosaic virus viral-like particles (BSMV-VLPs) that are capable of self-assembly due to being operatively linked with an origin of self-assembly with the Barley stripe mosaic virus capsid protein (BSMV-CP). Also provided are BSMV-VLPs that are capable of self-assembly due one or more site-directed mutations on the BSMV-CP, and BSMV-VLPs that exhibit enhanced stability due to such site-directed mutation(s).
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 21, 2023
    Assignee: Purdue Research Foundation
    Inventors: Kevin Solomon, Kok Zhi Lee, Yu-Hsuan Lee, Michael Harris, Loretta Sue Loesch-Fries
  • Patent number: 11352632
    Abstract: This present patent application relates to a method for controlling a targeted gene expression with an environmental trigger useful for manufacturing a natural product or an analogue thereof biologically. In particular, the present invention discloses an expression system comprises a gene expressing for a fusion protein of elastin-like polypeptides (ELPs) and a transcription factor, wherein a targeted gene expression is regulated by the phase change of the fusion protein initiated by an environmental trigger, including changes of temperature, pH value, ionic strength or a combination thereof. The method, the expression system and their products are within the scope of this invention.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: June 7, 2022
    Assignee: Purdue Research Foundation
    Inventors: Kevin V. Solomon, Ethan Hillman, Kok Zhi Lee, Yu Hong Wang
  • Publication number: 20210180070
    Abstract: This present patent application relates to a method for controlling a targeted gene expression with an environmental trigger useful for manufacturing a natural product or an analogue thereof biologically. In particular, the present invention discloses an expression system comprises a gene expressing for a fusion protein of elastin-like polypeptides (ELPs) and a transcription factor, wherein a targeted gene expression is regulated by the phase change of the fusion protein initiated by an environmental trigger, including changes of temperature, pH value, ionic strength or a combination thereof. The method, the expression system and their products are within the scope of this invention.
    Type: Application
    Filed: December 13, 2018
    Publication date: June 17, 2021
    Applicant: Purdue Research Foundation
    Inventors: Kevin V. Solomon, Ethan Hillman, Kok Zhi Lee, Yu Hong Wang
  • Publication number: 20200277613
    Abstract: Methods and nucleic acid sequences for the synthesis of biotemplates in a non-plant based expression system are provided. Such biotemplates include Barley stripe mosaic virus viral-like particles (BSMV-VLPs) that are capable of self-assembly due to being operatively linked with an origin of self-assembly with the Barley stripe mosaic virus capsid protein (BSMV-CP). Also provided are BSMV-VLPs that are capable of self-assembly due one or more site-directed mutations on the BSMV-CP, and BSMV-VLPs that exhibit enhanced stability due to such site-directed mutation(s).
    Type: Application
    Filed: February 28, 2020
    Publication date: September 3, 2020
    Inventors: Kevin Solomon, Kok Zhi Lee, Yu-Hsuan Lee, Michael Harris, Loretta Sue Loesch-Fries
  • Publication number: 20190284547
    Abstract: This invention relates to a method to produce gene alterations in the genomes of a eukaryotic and prokaryotic host cell. The method comprises utilizing Argonaute from Natronobacterium gregoryi (NgAgo) or a mutant thereof, and complementary 5? phosphorylated single-stranded DNA that target the enzyme to cleave specific regions of the chromosome. Additionally, N-terminal truncations (deletion of the repA domain; N-del), or its mutants including N-del/E598A, N-del/D601P, and N-del/E602P reduces random cleavage and can be used for targeted gene editing with a guide DNA. An expression system or a host cell and method of creating thereof are also in the scope of this application.
    Type: Application
    Filed: March 15, 2019
    Publication date: September 19, 2019
    Applicant: Purdue Research Foundation
    Inventors: Kevin V. Solomon, Kok Zhi Lee