Results 31 to 40 of about 9,244,583 (282)

Virtual optofluidic time-stretch quantitative phase imaging

open access: yesAPL Photonics, 2020
Optofluidic time-stretch quantitative phase imaging (OTS-QPI) is a potent tool for biomedical applications as it enables high-throughput QPI of numerous cells for large-scale single-cell analysis in a label-free manner.
Haochen Yan   +7 more
doaj   +1 more source

Real time blood testing using quantitative phase imaging. [PDF]

open access: yesPLoS ONE, 2013
We demonstrate a real-time blood testing system that can provide remote diagnosis with minimal human intervention in economically challenged areas. Our instrument combines novel advances in label-free optical imaging with parallel computing. Specifically,
Hoa V Pham   +4 more
doaj   +1 more source

Variable Wavefront Curvature Phase Retrieval Compared to Off-Axis Holography and Its Useful Application to Support Intraoperative Tissue Discrimination

open access: yesApplied Sciences, 2018
Quantitative phase imaging can reveal morphological features without having to stain the biological sample. This property has important implications for intraoperative applications since the time spent during histopathology can be reduced from a few ...
Daniel Claus   +5 more
doaj   +1 more source

Coherence-encoded synthetic aperture for super-resolution quantitative phase imaging

open access: yesAPL Photonics, 2022
Quantitative phase imaging (QPI) has quickly established its role in identifying rare events and screening in biomedicine or automated image data analysis using artificial intelligence.
Miroslav Ďuriš   +3 more
doaj   +1 more source

Quantitative phase imaging of erythrocyte in epilepsy patients

open access: yesMicroscopy Research and Technique, 2020
AbstractThe present study focuses on the quantitative phase imaging of erythrocytes with the aim to compare the morphological differences between epilepsy patients under antiepileptic treatment, who have no other disease which may affect the erythrocyte morphology, and the healthy control group.
Aysun Ünal   +5 more
openaire   +4 more sources

Adaptive dynamic range shift (ADRIFT) quantitative phase imaging

open access: yesLight: Science & Applications, 2021
Quantitative phase imaging: Sensitivity boost A scheme that significantly enhances the sensitivity of quantitative phase imaging (QPI) could help benefit a range of applications in optical imaging and sensing.
Keiichiro Toda   +2 more
doaj   +1 more source

Magnetization transfer imaging using steady-state free precession MR sequences [PDF]

open access: yes, 2010
Magnetic resonance imaging (MRI) benefits from an exceptional soft tissue contrast and is therefore an important tool for medical diagnosis. While contrast in conventional MRI is generated by protons with free mobility, magnetization transfer (MT ...
Gloor, Monika
core   +1 more source

Laboratory implementation of edge illumination X-ray phase-contrast imaging with energy-resolved detectors [PDF]

open access: yes, 2015
Edge illumination (EI) X-ray phase-contrast imaging (XPCI) has potential for applications in different fields of research, including materials science, non-destructive industrial testing, small-animal imaging, and medical imaging.
A. Olivo   +54 more
core   +1 more source

Single-shot super-resolution quantitative phase imaging allowed by coherence gate shaping

open access: yes, 2023
Biomedical and metasurface researchers repeatedly reach for quantitative phase imaging (QPI) as their primary imaging technique due to its high-throughput, label-free, quantitative nature. So far, very little progress has been made toward achieving super-
Petr Bouchal   +5 more
core   +1 more source

Phase calibration target for quantitative phase imaging with ptychography

open access: yesOptics Express, 2016
Quantitative phase imaging (QPI) utilizes refractive index and thickness variations that lead to optical phase shifts. This gives contrast to images of transparent objects. In quantitative biology, phase images are used to accurately segment cells and calculate properties such as dry mass, volume and proliferation rate.
T M, Godden   +4 more
openaire   +2 more sources

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