US 12,275,882 B2
Near-infrared-II nanoparticles and related compositions and methods
Hongjie Dai, Cupertino, CA (US); Yeteng Zhong, Menlo Park, CA (US); and Zhouran Ma, Stanford, CA (US)
Assigned to The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US)
Appl. No. 17/435,285
Filed by The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US)
PCT Filed Mar. 11, 2020, PCT No. PCT/US2020/022020
§ 371(c)(1), (2) Date Aug. 31, 2021,
PCT Pub. No. WO2020/251639, PCT Pub. Date Dec. 17, 2020.
Claims priority of provisional application 62/816,645, filed on Mar. 11, 2019.
Prior Publication US 2022/0145175 A1, May 12, 2022
Int. Cl. C09K 11/77 (2006.01); A61K 49/00 (2006.01); A61K 49/18 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C01F 17/36 (2020.01)
CPC C09K 11/7791 (2013.01) [A61K 49/0017 (2013.01); A61K 49/1824 (2013.01); C01F 17/36 (2020.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2004/04 (2013.01); C01P 2004/32 (2013.01); C01P 2004/64 (2013.01); C01P 2004/82 (2013.01); C01P 2006/60 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A cubic-phase (α-phase) erbium (Er)-doped near-infrared-II (NIR-II, 1000-1700 nm)-emitting nanoparticle, wherein the nanoparticle comprises a core-shell structure comprising an Er-doped core, and wherein the Er-doped core is further doped with cerium (Ce).