Patents by Inventor Chaoqiang QIAO

Chaoqiang QIAO 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).

  • pH-responsive ultrasensitive fluorescent nanoprobe, preparation and using method thereof
    Patent number: 11291736
    Abstract: The pH-responsive ultrasensitive fluorescent nanoprobe is composed of pH-responsive matrix materials and fluorescent organic small molecule dyes. The pH-responsive matrix materials are calcium phosphate, calcium hydroxyphosphate, fluorapatite, calcium carbonate or ZIF series; the fluorescent organic small molecule dyes are positively charged dyes or negatively charged dyes. The preparation method includes: coating a positively charged dye with a negatively charged matrix material; coating a negatively charged dye with a negatively charged matrix material; and coating a negatively charged dye with a positively charged matrix material.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: April 5, 2022
    Assignee: XIDIAN UNIVERSITY
    Inventors: Zhongliang Wang, Yongdong Wang, Ruili Zhang, Qian Jia, Chaoqiang Qiao, Jie Tian
  • pH-Responsive Ultrasensitive Fluorescent Nanoprobe, Preparation and Using Method Thereof
    Publication number: 20200164092
    Abstract: The pH-responsive ultrasensitive fluorescent nanoprobe is composed of pH-responsive matrix materials and fluorescent organic small molecule dyes. The pH-responsive matrix materials are calcium phosphate, calcium hydroxyphosphate, fluorapatite, calcium carbonate or ZIF series; the fluorescent organic small molecule dyes are positively charged dyes or negatively charged dyes. The preparation method includes: coating a positively charged dye with a negatively charged matrix material; coating a negatively charged dye with a negatively charged matrix material; and coating a negatively charged dye with a positively charged matrix material.
    Type: Application
    Filed: November 15, 2017
    Publication date: May 28, 2020
    Applicant: Xidian University
    Inventors: Zhongliang WANG, Yongdong WANG, Ruili ZHANG, Qian JIA, Chaoqiang QIAO, Jie TIAN