Patents by Inventor Pui Yan Yeung

Pui Yan Yeung 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).

  • Method of producing DNA and DNA library
    Patent number: 11085042
    Abstract: A method of producing a cDNA from a sample of nucleic acids includes the steps of: generating a dephosphorylated RNA from the sample; ligating the dephosphorylated RNA with a first adapter in the presence of a crowding agent to produce a ligated product; removing the excess first adapter by adding at least two enzymes; and performing reverse transcription in a lithium-containing buffer to produce the cDNA. A method of preparing a DNA library and a kit for such preparation are also disclosed.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: August 10, 2021
    Assignee: City University of Hong Kong
    Inventors: Chun Kit Kwok, Pui Yan Yeung
  • METHOD OF PRODUCING DNA AND DNA LIBRARY
    Publication number: 20190323005
    Abstract: A method of producing a cDNA from a sample of nucleic acids includes the steps of: generating a dephosphorylated RNA from the sample; ligating the dephosphorylated RNA with a first adapter in the presence of a crowding agent to produce a ligated product; removing the excess first adapter by adding at least two enzymes; and performing reverse transcription in a lithium-containing buffer to produce the cDNA. A method of preparing a DNA library and a kit for such preparation are also disclosed.
    Type: Application
    Filed: April 19, 2018
    Publication date: October 24, 2019
    Inventors: Chun Kit Kwok, Pui Yan Yeung