In-line holographic microscopy with model-based analysis

C Martin, LE Altman, S Rawat, A Wang… - Nature Reviews …, 2022 - nature.com
An in-line holographic microscope is an optical microscope outfitted with a coherent light
source, such as a laser. Light scattered by the specimen interferes with the transmitted …

Mie-Resonant Rutile TiO2 Nanospheres for Unclonable Structural Colors

JB Moon, SJ Lee, SH Kim, Y Chang… - Chemistry of …, 2022 - ACS Publications
Monodisperse carbon-embedded rutile TiO2 nanospheres were synthesized through the sol–
gel reaction of titanium alkoxide in concert with dodecylamine and the subsequent thermal …

Label-free viability assay using in-line holographic video microscopy

R Boltyanskiy, MA Odete, FC Cheong, LA Philips - Scientific Reports, 2022 - nature.com
Total holographic characterization (THC) is presented here as an efficient, automated, label-
free method of accurately identifying cell viability. THC is a single-particle characterization …

Machine learning enables precise holographic characterization of colloidal materials in real time

LE Altman, DG Grier - Soft Matter, 2023 - pubs.rsc.org
Holographic particle characterization uses in-line holographic video microscopy to track and
characterize individual colloidal particles dispersed in their native fluid media. Applications …

3D monitoring of the surface slippage effect on micro-particle sedimentation by digital holographic microscopy

M Panahi, R Jamali, VF Rad, M Khorasani, A Darudi… - Scientific Reports, 2021 - nature.com
In several phenomena in biology and industry, it is required to understand the
comprehensive behavior of sedimenting micro-particles in fluids. Here, we use the …

Holographic analysis of colloidal spheres sedimenting in horizontal slit pores

LE Altman, DG Grier - Physical Review E, 2022 - APS
The mobility of a colloidal particle in a slit pore is modified by the particle's hydrodynamic
coupling to the bounding surfaces and therefore depends on the particle's position within the …

Measuring Vesicle Loading with Holographic Microscopy and Bulk Light Scattering

LHA Tran, LA Lowe, Y Deckel, M Turner… - ACS Physical …, 2024 - ACS Publications
We report efforts to quantify the loading of cell-sized lipid vesicles using in-line digital
holographic microscopy. This method does not require fluorescent reporters, fluorescent …

Travelling-Wave Electrophoresis, Electro-Hydrodynamics, Electro-Rotation, and Symmetry-Breaking of a Polarizable Dimer in Non-Uniform Fields

T Miloh, EJ Avital - Micromachines, 2022 - mdpi.com
A theoretical framework is presented for calculating the polarization, electro-rotation,
travelling-wave dielectrophoresis, electro-hydrodynamics and induced-charge …

Multi-angle holographic characterization of individual fractal aggregates

R Abdulali, LE Altman, DG Grier - Optics Express, 2022 - opg.optica.org
Holographic particle characterization uses quantitative analysis of holographic microscopy
data to precisely and rapidly measure the diameter and refractive index of individual …

Improving the Signal-to-Noise Ratio of Axial Displacement Measurements of Microspheres Based on Compound Digital Holography Microscopy Combined with the …

Y Zeng, Q Guo, X Hu, J Lu, X Fan, H Wu, X Xu, J Xie… - Sensors, 2024 - mdpi.com
In 3D microsphere tracking, unlike in-plane motion that can be measured directly by a
microscope, axial displacements are resolved by optical interference or a diffraction model …