Results 31 to 40 of about 19,331,121 (349)

Determine the color change of fresh green lettuce by using reflectance reconstruction from RGB image

open access: yesFood Agricultural Sciences and Technology (FAST), 2023
This paper presents an image processing technique to determine the color change of salad lettuce is stored at 15ºC for storage times of 0 to 5 days.
Suwan Aekram   +6 more
doaj  

The effect of different wood varnishes on surface color properties of heat treated wood materials

open access: yesİstanbul Üniversitesi Orman Fakültesi Dergisi, 2017
This study investigates the effects of different wood varnishes on the surface color properties of heat treated wood. Samples prepared from Oriental beech (Fagus orientalis L.) and Scots pine (Pinus sylvestris L.) are subjected to heat treatment at 190,
Hüseyin Pelit
doaj   +1 more source

Color changes of three different brands of acrylic teeth in removable dentures in three different beverages: An in vitro study [PDF]

open access: yesJournal of Dental Research, Dental Clinics, Dental Prospects, 2020
Background. The best prosthetic appliances exhibit a high level of similarity to the lost organ. Color should exhibit favorable stability, as a critical factor in the esthetic appearance of dental prostheses and materials used in fabricating prostheses ...
Roza Motayagheni   +4 more
doaj   +1 more source

Efficient Colorimetric Fluoride Anion Sensor Based on π-Conjugated Carbazole Small Molecule

open access: yesFrontiers in Chemistry, 2021
The ability to detect fluoride anions with high selectivity and sensitivity by using the naked eye is crucial yet challenging. In this study, a novel, simple conjugated organic dye, N-tert-butyldimethylsilyl-3,6-diiodocarbazole (CA-TBMDS) was developed ...
Zhifeng Deng   +4 more
doaj   +1 more source

Color Variability of Asteroids in SDSS Moving Object Catalog

open access: yes, 2003
We report a detection of statistically significant color variations for a sample of 7,531 multiply observed asteroids that are listed in the Sloan Digital Sky Survey Moving Object Catalog.
Azabajian   +35 more
core   +1 more source

Bioinspired Multi‐Stimuli Responsive Actuators with Synergistic Color‐ and Morphing‐Change Abilities

open access: yesAdvancement of science, 2021
The combination of complex perception, defense, and camouflage mechanisms is a pivotal instinctive ability that equips organisms with survival advantages.
Xinkai Li   +5 more
semanticscholar   +1 more source

Impact of Simulated Gastric Acid and Surface Treatment on the Color Stability and Roughness of Zirconia

open access: yesApplied Sciences
This in vitro study evaluated the impact of simulated gastric acid exposure on the optical (ΔE00, translucency parameter TP, contrast ratio CR) and surface (roughness Ra) properties of monolithic zirconia ceramics under varying sintering rates and ...
Fulya Basmaci   +2 more
doaj   +1 more source

The Impact of Bleaching and Brushing with a Novel Purple Versus Charcoal Whitening Toothpaste on the Color of a Discolored Single-Shade Polymeric Resin-Based Restorative Material

open access: yesApplied Sciences
Background: The aesthetic performance of single-shade polymer-based restorative materials (SPRs) can be compromised by extrinsic stains. Understanding the effects of novel whitening interventions on SPRs is crucial.
Hanin E. Yeslam   +5 more
doaj   +1 more source

Colorimetric Technique for Antimony Detection Based on the Use of Gold Nanoparticles Conjugated with Poly-A Oligonucleotide

open access: yesApplied Sciences, 2019
A simple and rapid positive−negative colorimetric approach to determine the presence of antimony ions based on the use of gold nanoparticles conjugated with oligonucleotide (poly-A sequence) is developed.
Anna N. Berlina   +4 more
doaj   +1 more source

Environmentally Driven Color Variation in the Pearl Oyster Pinctada margaritifera var. cumingii (Linnaeus, 1758) Is Associated With Differential Methylation of CpGs in Pigment- and Biomineralization-Related Genes

open access: yesFrontiers in Genetics, 2021
Today, it is common knowledge that environmental factors can change the color of many animals. Studies have shown that the molecular mechanisms underlying such modifications could involve epigenetic factors.
Pierre-Louis Stenger   +11 more
doaj   +1 more source

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