Sizing Single Gold Nanoparticles with Bright-Field Microscopy

Sizing Single Gold Nanoparticles with Bright-Field Microscopy

We present an experimental procedure for determining the diameter of spherical gold nanoparticles (AuNPs) using a basic bright-field microscopy apparatus. We achieved high-contrast imaging by constructing a bright-field microscopy system with ultrabright LEDs (incorporating low-cost components), emp...

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Bibliographic Details
Main Authors: Antonio Sotelo-López, Salvador Mendoza-Acevedo, José Abraham Balderas-López, Braulio Gutiérrez-Medina
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Photonics
Subjects:
gold nanoparticles
optical microscopy
nanoparticle sizing
bright-field microscopy
digital image processing
Online Access:https://www.mdpi.com/2304-6732/12/4/314
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