US 12,241,855 B2
Electrochemical sensing of PFAS using gold nanoparticle functionalized electrodes
Dino Villagran, El Paso, TX (US); Paul Westerhoff, Phoenix, AZ (US); Jonathan Josue Calvillo Solis, El Paso, TX (US); and Michael Wong, Houston, TX (US)
Assigned to Board of Regents, The University of Texas System, Austin, TX (US); and Arizona Board of Regents on Behalf of Arizon State University, Scottsdale, AZ (US)
Filed by Board of Regents, The University of Texas System, Austin, TX (US); Arizona Board of Regents on Behalf of Arizona State University, Phoenix, AZ (US); and William Marsh Rice University, Houston, TX (US)
Filed on Jun. 15, 2023, as Appl. No. 18/335,818.
Claims priority of provisional application 63/366,569, filed on Jun. 17, 2022.
Prior Publication US 2023/0408436 A1, Dec. 21, 2023
Int. Cl. G01N 27/30 (2006.01); C25D 3/48 (2006.01); G01N 27/42 (2006.01)
CPC G01N 27/308 (2013.01) [C25D 3/48 (2013.01); G01N 27/42 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of electrochemical sensing, comprising:
providing an electrochemical sensor comprising a glassy carbon substrate and gold nanoparticles located on a surface of the glassy carbon substrate; and
sensing electrochemically a compound selected from the group consisting of polyfluoroalkyl compounds or perfluoroalkyl compounds using the electrochemical sensor.