US 12,487,236 B2
Polypeptide magnetic nanoparticle, preparation method therefor and use thereof
Tao Jiang, Beijing (CN); Nannan Li, Beijing (CN); Jian Xue, Beijing (CN); Xuejiao Bai, Beijing (CN); Qian Yu, Beijing (CN); Da Li, Beijing (CN); Zhen Cai, Beijing (CN); Qian Cai, Beijing (CN); An Xu, Beijing (CN); Haiyan Qiu, Beijing (CN); Yu Han, Beijing (CN); and Ran Wang, Beijing (CN)
Assigned to BEIJING NANOPEP BIOTECH CORPORATION, LTD., Beijing (CN)
Appl. No. 17/611,657
Filed by BEIJING NANOPEP BIOTECH CORPORATION, Beijing (CN)
PCT Filed May 19, 2020, PCT No. PCT/CN2020/091063
§ 371(c)(1), (2) Date Nov. 16, 2021,
PCT Pub. No. WO2020/233572, PCT Pub. Date Nov. 26, 2020.
Claims priority of application No. 201910424124.5 (CN), filed on May 21, 2019.
Prior Publication US 2022/0196648 A1, Jun. 23, 2022
Int. Cl. G01N 33/68 (2006.01); G01N 33/531 (2006.01); G01N 33/543 (2006.01); G01N 33/574 (2006.01); B82Y 5/00 (2011.01); B82Y 25/00 (2011.01); B82Y 40/00 (2011.01)
CPC G01N 33/54326 (2013.01) [G01N 33/531 (2013.01); G01N 33/54346 (2013.01); G01N 33/574 (2013.01); G01N 33/68 (2013.01); B82Y 5/00 (2013.01); B82Y 25/00 (2013.01); B82Y 40/00 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A magnetic nanoparticle comprising a specific targeting polypeptide, wherein the specific targeting polypeptide is a specific recognition polypeptide targeting an epithelial cell adhesion molecule, wherein the specific targeting polypeptide comprises an amino acid sequence as set forth in any one of SEQ ID NO:1-9.