Results 11 to 20 of about 984,356 (291)

Through Skull Fluorescence Imaging of the Brain in a New Near-Infrared Window

open access: yesNature Photonics, 2014
To date, brain imaging has largely relied on X-ray computed tomography and magnetic resonance angiography with limited spatial resolution and long scanning times.
Andreasson, Katrin I.   +11 more
core   +4 more sources

Optical Manipulation of Lanthanide-Doped Nanoparticles: How to Overcome Their Limitations

open access: yesFrontiers in Chemistry, 2020
Since Ashkin's pioneering work, optical tweezers have become an essential tool to immobilize and manipulate microscale and nanoscale objects. The use of optical tweezers is key for a variety of applications, including single-molecule spectroscopy ...
Elisa Ortiz-Rivero   +4 more
doaj   +1 more source

A Methodological Review of Fluorescence Imaging for Quality Assessment of Agricultural Products

open access: yesAgriculture, 2023
Currently, optical imaging techniques are extensively employed to automatically sort agricultural products based on various quality parameters such as size, shape, color, ripeness, sugar content, and acidity.
Abdul Momin   +4 more
doaj   +1 more source

FLIP: FLuorescence Imaging Pipeline for field-based chlorophyll fluorescence images

open access: yesSoftwareX, 2021
Photosynthesis is one of the most important biological reactions on earth providing oxygen and food for humanity. As global populations rise and arable land decreases, crops need to become more efficient at photosynthetic processes, particularly ...
Matthew T. Herritt   +6 more
doaj   +1 more source

Rapid fluorescence imaging of human hepatocellular carcinoma using the β-galactosidase-activatable fluorescence probe SPiDER-βGal

open access: yesScientific Reports, 2021
Fluorescence imaging of tumours facilitates rapid intraoperative diagnosis. Thus far, a promising activatable fluorescence probe for hepatocellular carcinoma (HCC) has not been developed.
Soichiro Ogawa   +12 more
doaj   +1 more source

Novel Multimodal, Multiscale Imaging System with Augmented Reality

open access: yesDiagnostics, 2021
A novel multimodal, multiscale imaging system with augmented reality capability were developed and characterized. The system offers 3D color reflectance imaging, 3D fluorescence imaging, and augmented reality in real time. Multiscale fluorescence imaging
Christopher Mela   +2 more
doaj   +1 more source

Fluorescent AIE-Active Materials for Two-Photon Bioimaging Applications

open access: yesFrontiers in Chemistry, 2020
Fluorescence imaging has been widely used as a powerful tool for in situ and real-time visualization of important analytes and biological events in live samples with remarkably high selectivity, sensitivity, and spatial resolution.
Qing Lu   +4 more
doaj   +1 more source

Ratiometric spectral imaging for fast tumor detection and chemotherapy monitoring in vivo [PDF]

open access: yes, 2011
We report a novel in vivo spectral imaging approach to cancer detection and chemotherapy assessment. We describe and characterize a ratiometric spectral imaging and analysis method and evaluate its performance for tumor detection and delineation by ...
Daniel L. Farkas   +5 more
core   +1 more source

Miniaturized multicolor fluorescence imaging system integrated with a PDMS light-guide plate for biomedical investigation

open access: yesnpj Flexible Electronics, 2023
Miniaturized fluorescence imaging systems are promising platforms that overcome the limited use of conventional microscopes in the biomedical field. However, there are physical limitations for multicolor fluorescence imaging in existing miniaturized ...
Hyogeun Shin   +8 more
doaj   +1 more source

Comparing Visual and Image Analysis Techniques to Quantify Fusarium Basal Rot Severity in Mature Onion Bulbs

open access: yesHorticulturae, 2021
Development of resistant cultivars for Fusarium basal rot (FBR), a fungal disease caused by the soil-borne fungus Fusarium oxysporum f.sp. cepae (FOC), is a major breeding goal for onion breeding programs around the world. Currently, the selection of FBR-
Subhankar Mandal, Christopher S. Cramer
doaj   +1 more source

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