Investigation of refractive index dynamics during in vitro embryo development using off-axis digital holographic microscopy

GO Dwapanyin, DJX Chow, TCY Tan… - Biomedical Optics …, 2023 - opg.optica.org
Embryo quality is a crucial factor affecting live birth outcomes. However, an accurate
diagnostic for embryo quality remains elusive in the in vitro fertilization clinic. Determining …

Biodynamic digital holographic speckle microscopy for oocyte and embryo metabolic evaluation

Z Li, IM Lorenzo-Lorenzo, R An, J Turek, DD Nolte… - Applied …, 2021 - opg.optica.org
Assisted reproductive technologies seek to improve the success rate of pregnancies.
Morphology scoring is a common approach to evaluate oocyte and embryo viability prior to …

In vivo imaging and quantitative analysis of zebrafish embryos by digital holographic microscopy

J Gao, JA Lyon, DP Szeto, J Chen - Biomedical optics express, 2012 - opg.optica.org
Digital holographic microscopy (DHM) has been applied extensively to in vitro studies of
different living cells. In this paper, we present a novel application of an off-axis DHM system …

Imaging embryonic stem cell dynamics using quantitative 3-D digital holographic microscopy

A Anand, VK Chhaniwal, B Javidi - IEEE Photonics Journal, 2011 - ieeexplore.ieee.org
Embryonic stem cells are very important for the development of cell-based therapeutic
strategies. Since stem cell colonies are nonpigmented and relatively transparent, they do not …

Computational multi-wavelength phase synthesis using convolutional neural networks

B Bazow, T Phan, CB Raub, G Nehmetallah - Applied Optics, 2022 - opg.optica.org
Multi-wavelength digital holographic microscopy (MWDHM) provides indirect measurements
of the refractive index for non-dispersive samples. Successive-shot MWDHM is not …

[HTML][HTML] 3D dynamic observation of human sperm by parallel phase-shifting digital holographic microscopy based on pixelated polarization

C Bai, Z Jiang, J Zhao, S Wu, Q Zhang - APL Photonics, 2023 - pubs.aip.org
Morphology and motility are essential criteria for assessing sperm viability. However, the
human sperm head is small (∼ 3–4 μm) and requires a relatively high-magnification …

Dual-wavelength common-path digital holographic microscopy for quantitative phase imaging of biological cells

J Di, Y Song, T Xi, J Zhang, Y Li, C Ma… - Optical …, 2017 - spiedigitallibrary.org
Biological cells are usually transparent with a small refractive index gradient. Digital
holographic interferometry can be used in the measurement of biological cells. We propose …

Quantifying cellular differentiation by physical phenotype using digital holographic microscopy

KJ Chalut, AE Ekpenyong, WL Clegg… - Integrative …, 2012 - academic.oup.com
Although the biochemical changes that occur during cell differentiation are well-known, less
known is that there are significant, cell-wide physical changes that also occur …

Contrast-enhanced digital holographic imaging of cellular structures by manipulating the intracellular refractive index

CE Rommel, C Dierker, L Schmidt… - … of biomedical optics, 2010 - spiedigitallibrary.org
The understanding of biological reactions and evaluation of the significance for living cells
strongly depends on the ability to visualize and quantify these processes. Digital …

Low-intensity illumination for lensless digital holographic microscopy with minimized sample interaction

B Mirecki, M Rogalski, P Arcab, P Rogujski… - Biomedical Optics …, 2022 - opg.optica.org
Exposure to laser light alters cell culture examination via optical microscopic imaging
techniques based on label-free coherent digital holography. To mitigate this detrimental …