Using Holographic Microscopy To Measure the Effect of Confinement on Crowding Agents in Lipid Vesicles
Sign Up to like & getrecommendations! Published in 2023 at "ChemBioChem"
DOI: 10.1002/cbic.202300069
Abstract: The hydrodynamic effects of macromolecular crowding inside cells are often studied in vitro by using polymers as crowding agents. Confinement of polymers inside cell‐sized droplets has been shown to affect the diffusion of small molecules. Here… read more here.
Keywords: lipid vesicles; crowding agents; microscopy measure; confinement crowding ... See more keywords
Calcite dissolution rate spectra measured by in situ digital holographic microscopy.
Sign Up to like & getrecommendations! Published in 2017 at "Geochimica et cosmochimica acta"
DOI: 10.1016/j.gca.2017.07.001
Abstract: Digital holographic microscopy in reflection mode is used to track in situ, real-time nanoscale topography evolution of cleaved (104) calcite surfaces exposed to flowing or static deionized water. The method captures full-field holograms of the… read more here.
Keywords: topography; microscopy; holographic microscopy; digital holographic ... See more keywords
Phase compensation in digital holographic microscopy using a quantitative evaluation metric
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.08.061
Abstract: Abstract This study presents a simple metric to quantitatively evaluate the compensation of phase distortions in digital holographic microscopy. The metric calculates the difference between the minimum and maximum values in an unwrapped phase image.… read more here.
Keywords: microscopy; holographic microscopy; digital holographic; phase compensation ... See more keywords
Noise suppression using quasi-phase conjugation in digital holographic microscopy
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.126701
Abstract: Abstract Various approaches for generating phase-conjugate signal have been recently proposed that exploit the advantage of noise suppression in digital holographic microscopy (DHM). This study presents a reproducible method for generating a time-independent quasi-phase conjugated… read more here.
Keywords: phase; microscopy; holographic microscopy; digital holographic ... See more keywords
Digital stereo-holographic microscopy for studying three-dimensional particle dynamics
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2017.12.008
Abstract: Abstract A digital stereo-holographic microscopy (DsHM) with two viewing angles is proposed to measure 3D information of microscale particles. This approach includes two volumetric recordings and numerical reconstruction, and it involves the combination of separately… read more here.
Keywords: information; digital stereo; microscopy; stereo holographic ... See more keywords
Phase aberration compensation for digital holographic microscopy based on double fitting and background segmentation
Sign Up to like & getrecommendations! Published in 2019 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2018.12.001
Abstract: Abstract We propose a purely automatic and accurate phase aberration compensation method in digital holographic microscopy for phase-contrast imaging of living cells. At first, a least-squares fitting procedure is implemented to correct a large proportion… read more here.
Keywords: phase aberration; microscopy; holographic microscopy; digital holographic ... See more keywords
Variable zoom digital in-line holographic microscopy
Sign Up to like & getrecommendations! Published in 2020 at "Optics and Lasers in Engineering"
DOI: 10.1016/j.optlaseng.2019.105939
Abstract: Abstract We report on a novel layout providing variable zoom in digital in-line holographic microscopy (VZ-DIHM). The implementation is in virtue of an electrically tunable lens (ETL) which enables to slightly shift the illumination source… read more here.
Keywords: variable zoom; microscopy; zoom digital; holographic microscopy ... See more keywords
An Efficient Method of Observing Diatom Frustules via Digital Holographic Microscopy
Sign Up to like & getrecommendations! Published in 2022 at "Microscopy and Microanalysis"
DOI: 10.1017/s1431927622012508
Abstract: Abstract Herein, we propose a convenient method to enable pretreatment of target objects using digital holographic microscopy (DHM). As a test sample, we used diatom frustules (Nitzschia sp.) as the target objects. In the generally… read more here.
Keywords: microscopy; surface; digital holographic; diatom frustules ... See more keywords
Human live spermatozoa morphology assessment using digital holographic microscopy
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-08798-6
Abstract: Digital holographic microscopy (DHM) was applied for the morphological assessment of live intact spermatozoa from fertile and infertile men directly after semen liquefaction. This method allowed us to study the sperm population directly from the… read more here.
Keywords: digital holographic; microscopy; holographic microscopy; spermatozoa ... See more keywords
Calcium effect on membrane of an optically trapped erythrocyte studied by digital holographic microscopy
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4991838
Abstract: The calcium level in blood affects the morphological and rheological properties of red blood cell (RBC) membranes. In this paper, we present an integrated optical system for a single cell study of hypercalcemia. The system… read more here.
Keywords: microscopy; holographic microscopy; digital holographic; calcium ... See more keywords
Microsphere-assisted enhanced photothermal lens detection integrated with digital holographic microscopy for 3D particle sensing and thermal diffusivity measurement
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Applied Physics"
DOI: 10.1063/5.0146942
Abstract: In this paper, we show that by extending the concept of “microsphere-assisted imaging” into thermal lens (TL) detection, enhancement of photothermal detection is achieved. Furthermore, by integration of TL detection and digital holographic microscopy (DHM),… read more here.
Keywords: lens detection; microscopy; digital holographic; microsphere assisted ... See more keywords