US 11,891,553 B2
Silver nanocluster fluorescent nanotube, a preparation method and its application in the detection of arginine
Xia Xin, Jinan (CN); Wenjuan Wang, Jinan (CN); Di Sun, Jinan (CN); and Zhi Wang, Jinan (CN)
Assigned to SHANDONG UNIVERSITY, Jinan (CN)
Filed by SHANDONG UNIVERSITY, Jinan (CN)
Filed on Oct. 26, 2022, as Appl. No. 18/049,723.
Prior Publication US 2023/0159820 A1, May 25, 2023
Int. Cl. C09K 11/58 (2006.01); C09K 11/06 (2006.01); B82Y 15/00 (2011.01); B82Y 5/00 (2011.01); C01B 32/16 (2017.01)
CPC C09K 11/58 (2013.01) [B82Y 5/00 (2013.01); B82Y 15/00 (2013.01); C01B 32/16 (2017.08); C09K 11/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A silver nanocluster (Ag9-NCs) fluorescent nanotube, characterized in that, the Ag9-NCs fluorescent nanotube is obtained by a supramolecular self-assembly process of Ag9 under an induction of DD-5;
wherein the DD-5 is formed by a polymerization of five aspartic acids; the Ag9 is nine-nuclear Ag with Ag as core and 2-mercaptobenzoic acid (H2mba) as ligand; and
the supramolecular self-assembly process is to mix Ag9 aqueous solution with DD-5, vortex, and let it stand for 8 hours in 20° C. incubator to obtain the Ag9-NCs fluorescent nanotube;
wherein the Ag9 aqueous solution is produced by dispersing AgNO3 and H2mba in water with ultrasonic treatment, and adding NH3·H2O; and the Ag9-NCs fluorescent nanotube is sensitivity to L-Arg only, which is specifically used for detecting L-Arg.