Facile controlled preparation of phosphonic acid-functionalized gold nanoparticles

Polyelectrolytes with sulfonic acid groups useful in the synthesis and stabilization of Au and Ag nanoparticles

“…[29] While the anionic polyelectrolytes have acid groups like carboxylates, sulfates, sulfonates, phosphates, phosphonates, and arsenates. [29] Some polyelectrolytes with arsonic, [24] phosphonic, [30] or sulfonic [31] acid groups have been used successfully in nanotechnology field mainly for the formation of metallic nanoparticles. The metallic nanostructures have been of considerable interest because of their potential applications in medicine, optics, photonics, electronics, catalysis, and magnetism with better performance than their bulk counterparts.…”

A novel glucose biosensor based on phosphonic acid-functionalized silica nanoparticles for sensitive detection of glucose in real samples

“…During recent years, phosphonic acid-functionalized materials had been applied in various fields such as bioelectrochemistry, electroanalysis and biomimetic membranes [20]. Phosphate buffer is one of the main buffer in the system of life.…”

Selective and colorimetric detection of Ba2+ ions in aqueous solutions using 11-mercaptoundecylphosphonic acid functionalized gold nanoparticles

“…One of the advantages of using this ligand (MPA) is that it provides a wide range on pH sensitivity due to their dibasic nature, providing excellent stability in aqueous solutions under extremes pH. 33 In this work, 11-mercaptoundecylphosphonic acid (MPA)functionalized gold nanoparticles (AuNPs-MPA) were synthesized and used as a colorimetric sensor to detect Ba 2+ . The MPA was attached to the surface of AuNPs using the thiol group via the Au-S bond; [34][35][36] then, AuNPs-MPA were used for metal ion detection.…”