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One-Step Controlled Synthesis of Size Tunable Toroidal Gold Particles Using Green Chemistry

This invention is a method to control the size and shape of nanoparticles. It is a one-step synthesis process capable of tuning gold nanoparticles from 350nm to 1.7 microns using a process that has significantly reduced preparation time; it reduces hours for multi-step fabrication to 30-45 minutes. These synthesized toroidal particles exhibit surface...

Published: 6/27/2025 | Inventor(s): Tsu-Te Su, Phuong Diem Nguyen, Xuanru Zhang

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Category(s): Technology Classifications > Engineering & Physical Sciences > Electronics, Technology Classifications > Materials > Nanomaterials

Microcavity Surface Bioconjugation Using Unilamellar Lipid Membranes For Label Free, Ultrasensitive Detection Of Alzheimer's Biomarkers

This invention outlines a new way of preparing a microtoroid optical resonator for the purpose of detecting amyloid-β plaque. Traditional ways of surface functionalization leave roughness on the optical resonator, making it difficult to achieve a higher Q-factor. This invention provides a new way of smoothing the surface of a resonator so that...

Published: 9/11/2023 | Inventor(s): Phuong Diem Nguyen, Tsu-Te Su, Adley Gin, Erol Ozgur

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Sensors and Detection