Determining number concentrations and diameters of polystyrene particles by measuring the effective refractive index of colloids using surface plasmon resonance

J Tuoriniemi, B Moreira, G Safina - Langmuir, 2016 - ACS Publications
The capabilities of surface plasmon resonance (SPR) for characterization of colloidal
particles were evaluated for 100, 300, and 460 nm nominal diameter polystyrene (PS) …

Experiment and theory of the complex refractive index of dense colloidal media

PNA Speets, J Kalkman - JOSA A, 2024 - opg.optica.org
The complex refractive index is analyzed by measuring its scattering attenuation μ _s, group
index n _g, and group velocity dispersion (GVD) for 100 nm diameter silica nanoparticles …

Determination of refractive index, size, and concentration of nonabsorbing colloidal nanoparticles from measurements of the complex effective refractive index

R Márquez-Islas, C Sánchez-Pérez… - Optics Letters, 2014 - opg.optica.org
We describe a method for obtaining the refractive index (RI), size, and concentration of
nonabsorbing nanoparticles in suspension from relatively simple optical measurements. The …

Retrieving the real refractive index of mono-and polydisperse colloids from reflectance near the critical angle

BE Reed, RG Grainger, DM Peters, AJA Smith - Optics Express, 2016 - opg.optica.org
We investigate the accuracy in retrieving the real refractive index of submicron aerosol
particles, at a visible wavelength, from near critical angle reflectance measurements of a …

Свойства ансамблей наночастиц магнетита и магнитных жидкостей для применений в онкотерапии

НВ Абрамов, ПП Горбик - Поверхность, 2012 - dspace.nbuv.gov.ua
Теория кривых намагничивания ферромагнетиков применена для описания магнитных
свойств синтезированных ансамблей ферримагнитных наночастиц Fe₂O₃, а также …

Adsorption independent silver colloids index measurement with metal-cladding optical waveguide

Y Lu, H Deng, F Liu, B Shu, X Deng, Y Zhai, X Gong… - Optik, 2022 - Elsevier
The refractive index measurements of silver nanoparticles colloids can provide chemical
composition and nanostructure details. Although the standard surface plasmon resonance …

Assessment of the characterization of nonabsorbing nanoparticles in suspension from effective optical properties

R Márquez-Islas, C Sánchez-Pérez… - Applied Optics, 2015 - opg.optica.org
We analyze a method recently proposed to retrieve the size, refractive index, and
concentration of particles in nonabsorbing nanofluids from measurements of the complex …

Overview of an effective‐medium approach to the reflection and refraction of light at a turbid colloidal half‐space

E Gutiérrez‐Reyes, A García‐Valenzuela… - … status solidi (b), 2012 - Wiley Online Library
It has been recently shown that the effective electromagnetic bulk response of a dilute
colloidal system, composed by a large collection of identical big spheres, located at random …

Optical sizing of nanoparticles in thin films of nonabsorbing nanocolloids

G Morales-Luna, A García-Valenzuela - Applied Optics, 2019 - opg.optica.org
We study an optical method to infer the size of nanoparticles in a thin film of a dilute
nonabsorbing nanocolloid. It is based on determining the contribution of the nanoparticles to …

[PDF][PDF] Свойства ансамблей наночастиц магнетита в составе магнитных жидкостей для применений в онкотерапии

НВ Абрамов, ПП Горбик - Поверхность, 2012 - irbis-nbuv.gov.ua
Теория кривых намагничивания ферромагнетиков применена для описания магнитных
свойств синтезированных ансамблей ферримагнитных наночастиц Fe3O4, а также …