Results 21 to 30 of about 6,314,806 (301)

Imaging internal flows in a drying sessile polymer dispersion drop using Spectral Radar Optical Coherence Tomography (SR-OCT) [PDF]

open access: yes, 2013
In this work, we present the visualization of the internal flows in a drying sessile polymer dispersion drop on hydrophilic and hydrophobic surfaces with Spectral Radar Optical Coherence Tomography (SR-OCT).We have found that surface features such as the
Sauer, HM   +25 more
core   +1 more source

A Novel Weighted Cross Total Variation Method for Hyperspectral Image Mixed Denoising

open access: yesIEEE Access, 2017
Due to atmospheric effects and secondary illumination, hyperspectral images (HSIs) usually suffer from system noises, stripes, and dead pixels, which greatly degrade the imaging quality and limit the precision of the subsequent processing. In this paper,
Le Sun   +3 more
doaj   +1 more source

Assessing Grapevine Nutrient Status from Unmanned Aerial System (UAS) Hyperspectral Imagery

open access: yesRemote Sensing, 2021
This study aimed to identify the optimal sets of spectral bands for monitoring multiple grapevine nutrients in vineyards. We used spectral data spanning 400–2500 nm and leaf samples from 100 Concord grapevine canopies, lab-analyzed for six key nutrient ...
Robert Chancia   +3 more
doaj   +1 more source

Dielectric cross-shaped-resonator-based metasurface for vortex beam generation at mid-IR and THz wavelengths

open access: yesNanophotonics, 2019
Metasurfaces are engineered thin surfaces comprising two-dimensional (2D) arrays of sub-wavelength-spaced and sub-wavelength-sized resonators. Metasurfaces can locally manipulate the amplitude, phase, and polarization of light with high spatial ...
Dharmavarapu Raghu   +9 more
doaj   +1 more source

Spectroscopic Imaging of Cutaneous Squamous Cell Carcinoma Based on Acousto-Optic Filtering

open access: yes, 2020
Noncollinear acousto-optic tunable filter (AOTF) based on TeO2 is a type of good light splitting device with the electric tuning. Because of its advantages of compact size, high stability, fast tuning, and being easy to carry out, it has high practical ...
Huang Zu-fang   +15 more
core   +1 more source

Concept For Fast Spectral Characterisation Of Imaging Spectrometers [PDF]

open access: yes, 2010
For imaging spectrometers in the range of 350 - 2500 nm spectral characterization is accomplished currently at the Calibration Home Base (CHB) facility at DLR Oberpfaffenhofen using a Quartz-Tungsten-Halogen (QTH) lamp and a monochromator ...
Gege, Peter   +2 more
core  

Long wavelength optical coherence tomography for painted objects [PDF]

open access: yes, 2013
Optical Coherence Tomography has been successfully applied to the imaging of painted objects in recent years. However, a significant limitation is the low penetration depth of OCT in paint because of the high opacity of paint due to either scattering or ...
Daniel, J.M.O.   +13 more
core   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

Autophagy and mitophagy in pancreatic β‐cell homeostasis and their involvement in diabetes pathophysiology

open access: yesFEBS Letters, EarlyView.
This review focuses on the role of autophagy and mitophagy in maintaining pancreatic β‐cell function and homeostasis. We discuss how genetic defects affecting these pathways contribute to the development of type 1, type 2, monogenic, and gestational diabetes. We further explore their potential as therapeutic targets. Created in BioRender.
Yunkyeong Lee   +2 more
wiley   +1 more source

Multiplex quadruple bioluminescent assay system

open access: yesScientific Reports, 2022
Bioluminescence (BL) is unique cold body radiation of light, generated by luciferin–luciferase reactions and commonly used in various bioassays and molecular imaging.
Genta Kamiya   +3 more
doaj   +1 more source

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