Results 11 to 20 of about 42,511 (292)

Color on color, what color is it?

open access: yesMammalogy Notes, 2023
Leucism is expressed as the almost total decoloration of certain or whole parts of the body, but preserving the typical color of eyes, nails, and skin. We show the first known case of leucism in a three-striped palm squirrel in Telangana, India. On 12th December 2022, we observed a white-coloured juvenile three-striped palm squirrel along with its ...
Thatikonda, Karnakar Reddy   +2 more
openaire   +2 more sources

Determining Values of Some Optical Constants for Some Colorants [PDF]

open access: yesمجلة التربية والعلم, 2012
For different dyes like methyl green, methyl orange, methyl red, malachite green, crystal violate, safranin, and methylene blue. We calculated their optical constants like wavelengths of maximum absorption, molar extinction coefficient (molar ...
Soory A. Daher
doaj   +1 more source

The Potential of Selected Agri-Food Loss and Waste to Contribute to a Circular Economy: Applications in the Food, Cosmetic and Pharmaceutical Industries

open access: yesMolecules, 2021
The food sector includes several large industries such as canned food, pasta, flour, frozen products, and beverages. Those industries transform agricultural raw materials into added-value products.
Lady Laura Del Rio Osorio   +2 more
doaj   +1 more source

Colorful Image Colorization [PDF]

open access: yes, 2016
Given a grayscale photograph as input, this paper attacks the problem of hallucinating a plausible color version of the photograph. This problem is clearly underconstrained, so previous approaches have either relied on significant user interaction or resulted in desaturated colorizations.
Richard Zhang 0001   +2 more
openaire   +2 more sources

Composition, Color Stability and Antioxidant Properties of Betalain-Based Extracts from Bracts of Bougainvillea

open access: yesMolecules, 2022
Betalains in bracts of Bougainvillea are of great application potential as natural food colorants and antioxidants. This study explored the color, spectra, composition, storage stability, and antioxidant properties of betalain-based Bougainvillea bracts ...
Qiang Wu   +6 more
doaj   +1 more source

Use of Canopeo for Estimating Green Coverage of Bermudagrass during Postdormancy Regrowth

open access: yesHortTechnology, 2021
Objective methods of estimating green coverage using digital image analysis have been used increasingly by turfgrass scientists. The objective of our research was to evaluate the effectiveness of Canopeo, a relatively new smartphone application, for ...
Manoj Chhetri, Charles Fontanier
doaj   +1 more source

Bacterial Pigments: Sustainable Compounds With Market Potential for Pharma and Food Industry

open access: yesFrontiers in Sustainable Food Systems, 2020
The continued universal application of synthetic colorants for decades have caused environmental pollutions and human health vulnerabilities. So, it was indispensable to discover novel natural colorants such as microbial colorants which were safer and ...
Chidambaram Kulandaisamy Venil   +2 more
doaj   +1 more source

Application of Natural Colorants in Green Polyethylene Composites with Lignocellulosic Fillers: The Influence of Steam Sterilization on Mechanical Properties and Surface Quality

open access: yesJournal of Natural Fibers, 2022
The concept of the presented research was to assess the applicability of natural colorants in dyeing biocomposites filled with natural fillers. As dyes, ground coffee, turmeric, couscous and ground paprika were used.
Anna Kufel, Stanisław Kuciel
doaj   +1 more source

Dye Sequestration Using Biosynthesized Silver Nanoparticles Adsorbent in Aqueous Solutions

open access: yesCrystals, 2022
Nanomaterials have gained much attention in the field of environmental remediation, largely due to their high surface area-to-volume ratio and other unique physical, chemical, and biological characteristics that emerge due to its size effects.
Madiha Batool   +2 more
doaj   +1 more source

Fungal Pigments: Carotenoids, Riboflavin, and Polyketides with Diverse Applications

open access: yesJournal of Fungi, 2023
Natural pigments and colorants have seen a substantial increase in use over the last few decades due to their eco-friendly and safe properties. Currently, customer preferences for more natural products are driving the substitution of natural pigments for
Maria Afroz Toma   +5 more
doaj   +1 more source

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