Silica-based nanoparticles for PFAS remediation
AssigneesRegents of the University of Minnesota, The Connecticut Agricultural Experiment Station
InventorsChristy Haynes, Riley Lewis, Cheng-Hsin Huang, Jason White, Sara Nason, Nubia Zuverza-Mena
Life of this patent
Estimating the term…
Abstract
A method of producing an ultraporous mesostructured nanoparticle suitable for uptake by a plant and with increased affinity to per- and poly-fluoroalkyl substances includes modifying the ultraporous mesostructured nanoparticle with 2-[methoxy(polyethyleneoxy)9-12propyl]trimethyoxysilane, chlorotrimethylsilane, (a-Aminopropyl)triethoxysilane or N-[3-(trimethoxysilyl)propyl]ethylenediamine.
Claims10
An ultraporous mesostructured nanoparticle having a large internal volume and a porous shell, the ultraporous mesostructured nanoparticle having pore distributions with one pore size near 10 nm and another pore size around 50-80 nm, suitable for uptake by a plant and with increased affinity to per- and poly-fluoroalkyl substances, the ultraporous mesostructured nanoparticle being modified with 2-[methoxy(polyethyleneoxy)9-12propyl]trimethyoxysilane, chlorotrimethylsilane, (a-Aminopropyl)triethoxysilane (APTES) or N-[3-(trimethoxysilyl)propyl]ethylenediamine.
A method of uptaking per- and poly-fluoroalkyl substances within a plant, the method comprising:
- Uptaking the per- and poly-fluoroalkyl substances into an ultraporous mesostructured silica nanoparticles, having a large internal volume and a porous shell and having pore distributions with one pore size near 10 nm and another pore size around 50-80 nm, the ultraporous mesostructured silica nanoparticles having been modified with 2-[methoxy(polyethyleneoxy)9-12propyl]trimethyoxysilane, chlorotrimethylsilane, (3-Aminopropyl)triethoxysilane or N-[3-(trimethoxysilyl)propyl]ethylenediamine producing a modified ultraporous mesostructured silica nanoparticles.
Dependencies are inferred from the claim text.