Results 171 to 180 of about 381,977 (388)

Deep-Learning Based, Automated Segmentation of Macular Edema in Optical Coherence Tomography

open access: yesbioRxiv, 2017
Evaluation of clinical images is essential for diagnosis in many specialties and the development of computer vision algorithms to analyze biomedical images will be important.
Cecilia S. Lee   +5 more
semanticscholar   +1 more source

Designing of Self‐Dispersing Soft Dendritic Microcleaners for Microplastics Capture and Recovery

open access: yesAdvanced Functional Materials, EarlyView.
The capture and recovery of microplastics from open aquatic systems is a complex problem, which necessitates nontrivial solutions. The principles of a comprehensive multistage process based on sustainably sourced microcleaners with hierarchical morphology are demonstrated.
Haeleen Hong   +3 more
wiley   +1 more source

Multi‐Pathway Upconversion Emission in Symmetry‐Broken Nanocavities: Broadband Multiresonant Enhancement and Anti‐Correlated Interfacial Sensitivity

open access: yesAdvanced Functional Materials, EarlyView.
Symmetry‐broken plasmonic nanoantenna arrays achieve broadband multiresonant enhancement of second harmonic generation (SHG), third harmonic generation (THG), and upconversion photoluminescence (UCPL), under femtosecond laser excitation across the near‐infrared range (1000–1600 nm).
Elieser Mejia   +9 more
wiley   +1 more source

Comparison of the clinical estimation of cup-to-disk ratio by direct ophthalmoscopy and optical coherence tomography

open access: yesTherapeutic Advances in Ophthalmology, 2019
Objective: To compare the clinical estimation of cup-to-disk ratio determined by direct ophthalmoscopy and optical coherence tomography in glaucoma diagnosis and monitoring. Methods: A retrospective, cross-sectional study involving a review of 71 optical
Angela Ofeibea Amedo   +7 more
doaj   +1 more source

Signal attenuation and localization in optical coherence tomography studied by Monte Carlo simulation [PDF]

open access: green, 1998
Derek J. Smithies   +4 more
openalex   +1 more source

Cell Membrane Vesicle Camouflaged Artificial Cells

open access: yesAdvanced Functional Materials, EarlyView.
Artificial cells camouflaged with a cell membrane vesicle coating are able to assemble into synthetic aggregates that exhibit rudimentary communication capabilities. Additionally, when these artificial cells are equipped with antioxidant capabilities, they are able to protect the intracellular homeostasis in HepG2 cells present in semi‐synthetic ...
Paula De Dios Andres   +11 more
wiley   +1 more source

Optical Coherence Tomography Angiography of Punctate Inner Choroidopathy

open access: yesCase Reports in Ophthalmological Medicine, 2017
Purpose. To report a case of bilateral choroidal neovascularization (CNV) in punctate inner choroidopathy (PIC) visualized utilizing optical coherence tomography angiography (OCT-A). Methods. Case report. Results.
Blake M. Hampton   +3 more
doaj   +1 more source

Autonomous Control of Extrusion Bioprinting Using Convolutional Neural Networks

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a novel computer vision system for high‐fidelity monitoring of extrusion‐based bioprinting and a correction system utilizing convolutional neural networks for error mitigation. This system has demonstrated high detection accuracy and extrusion correction abilities that advance the state of the art toward accelerated printing ...
Daniel Kelly   +4 more
wiley   +1 more source

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