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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

Keywords(s):

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

Method for 3D Nonlinear Structured Illumination Super-resolution Imaging

Researchers at the University of Arizona have developed a super-resolution microscopy method that is faster, easier to use, and has less artifacts than current super-resolution methods. The result is a 3D dual-color stimulated emission depletion (STED) nonlinear structured illumination (NL-SIM) microscope. Using a combination of low coherent light and...

Published: 4/3/2023 | Inventor(s): Leilei Peng, Yu Li, Han Zhang

Keywords(s):

Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Medical Imaging, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry