Topography and refractometry of sperm cells using spatial light interference microscopy

L Liu, ME Kandel, M Rubessa… - … of biomedical optics, 2018 - spiedigitallibrary.org
Characterization of spermatozoon viability is a common test in treating infertility. Recently, it
has been shown that label-free, phase-sensitive imaging can provide a valuable alternative …

[HTML][HTML] Interferometric phase microscopy for label-free morphological evaluation of sperm cells

M Haifler, P Girshovitz, G Band, G Dardikman… - Fertility and sterility, 2015 - Elsevier
Objective To compare label-free interferometric phase microscopy (IPM) to label-free and
label-based bright-field microscopy (BFM) in evaluating sperm cell morphology. This …

Localized measurements of physical parameters within human sperm cells obtained with wide‐field interferometry

M Balberg, M Levi, K Kalinowski, I Barnea… - Journal of …, 2017 - Wiley Online Library
We developed a new method to identify the separate cellular compartments in the optical
path delay (OPD) maps of un‐labeled spermatozoa. This was conducted by comparing OPD …

Quantitative label-free sperm imaging by means of transport of intensity

PK Poola, VP Pandiyan… - … Phase Imaging II, 2016 - spiedigitallibrary.org
Most living cells are optically transparent which makes it difficult to visualize them under
bright field microscopy. Use of contrast agents or markers and staining procedures are often …

Stain‐free interferometric phase microscopy correlation with DNA fragmentation stain in human spermatozoa

I Barnea, L Karako, SK Mirsky, M Levi… - Journal of …, 2018 - Wiley Online Library
Acridine orange (AO) staining is used to diagnose DNA fragmentation status in sperm cells.
Interferometric phase microscopy (IPM) is an optical imaging method based on digital …

Automated analysis of individual sperm cells using stain‐free interferometric phase microscopy and machine learning

SK Mirsky, I Barnea, M Levi, H Greenspan… - Cytometry Part …, 2017 - Wiley Online Library
Currently, the delicate process of selecting sperm cells to be used for in vitro fertilization
(IVF) is still based on the subjective, qualitative analysis of experienced clinicians using non …

Quantitative label-free technique for morphological evaluation of human sperm—a promising tool in semen evaluation

PK Poola, V Jayaraman, K Chaithanya, D Rao… - OSA …, 2018 - opg.optica.org
We present results from non-interferometric quantitative phase imaging (QPI) for thickness
estimation and morphological analysis of human spermatozoa. QPI along with algorithms for …

Reproductive outcomes predicted by phase imaging with computational specificity of spermatozoon ultrastructure

ME Kandel, M Rubessa, YR He… - Proceedings of the …, 2020 - National Acad Sciences
The ability to evaluate sperm at the microscopic level, at high-throughput, would be useful
for assisted reproductive technologies (ARTs), as it can allow specific selection of sperm …

Integral refractive index imaging of flowing cell nuclei using quantitative phase microscopy combined with fluorescence microscopy

G Dardikman, YN Nygate, I Barnea… - Biomedical optics …, 2018 - opg.optica.org
We suggest a new multimodal imaging technique for quantitatively measuring the integral
(thickness-average) refractive index of the nuclei of live biological cells in suspension. For …

Individual sperm selection by microfluidics integrated with interferometric phase microscopy

PJ Eravuchira, SK Mirsky, I Barnea, M Levi, M Balberg… - Methods, 2018 - Elsevier
The selection of sperm cells possessing normal morphology and motility is crucial for many
assisted reproductive technologies (ART), especially for intracytoplasmic sperm injection …