Results 31 to 40 of about 42,511 (292)

Q-conjugacy character table for the non-rigid group of 2,3-dimethylbutane [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
Maturated and unmaturated groups were introduced by the Japanese chemist Shinsaku Fujita, who used them in the markaracter table and the Q-conjugacy character table of a finite group.
Darafsheh Reza Mohammad, Moghani Ali
doaj   +1 more source

Micro-fading spectrometry: investigating the wavelength specificity of fading [PDF]

open access: yes, 2015
A modified microfading spectrometer incorporating a linear variable filter is used to investigate the wavelength dependence of fading of traditional watercolour pigments, dosimeters and fading standards at a higher spectral resolution and/or sampling ...
AL Dupont   +17 more
core   +1 more source

Voltammetric Sensor Based on SeO2 Nanoparticles and Surfactants for Indigo Carmine Determination

open access: yesSensors, 2022
Indigo carmine is a widely used colorant in the food and pharmaceutical industry a high concentration of which can lead to a wide range of negative effects on human health. Therefore, colorant contents have to be strictly controlled.
Liya Kavieva, Guzel Ziyatdinova
doaj   +1 more source

Impact of Biomass Drying Process on the Extraction Efficiency of C-Phycoerythrin

open access: yesBioTech, 2023
Drying the biomass produced is one of the critical steps to avoid cell degradation; however, its high energy cost is a significant technological barrier to improving this type of bioprocess’s technical and economic feasibility.
Ariadna H. Vergel-Suarez   +4 more
doaj   +1 more source

First examples of pyran based colorants as sensitizing agents of p-Type Dye-Sensitized solar cells [PDF]

open access: yes, 2017
Three different pyran based dyes were synthesized and tested for the first time as photosensitizers of NiO based p-type dye-sensitized solar cells (p-DSSC).
Bonomo, Matteo   +4 more
core   +1 more source

OPTIMIZATION OF DYEING PROCESS PARAMETERS FOR DYEING OF COTTON FABRIC USING EXTRACTS OF ALOE SUCCOTRINA [PDF]

open access: yesAnnals of the University of Oradea: Fascicle of Textiles, Leatherwork, 2020
There is presently an intentional shift in research from synthetic dyes, which are considered as harmful to the environment to more environmentally friendly dyes such as natural dyes that are derived from plant and animal sources.
ODERO Mark   +4 more
doaj  

Physicochemical and Sensory Properties Colored Whey Protein-Cellulose Nanocrystal Edible Films after Freeze-Thaw Treatment

open access: yesFoods, 2022
Balancing physicochemical properties and sensory properties is one of the key points in expanding edible packaging applications. The work consisted of two parts, one was to investigate the effects of cellulose nanocrystals (CNC) on the packaging-related ...
Hongbo Sun   +3 more
doaj   +1 more source

Dioxins and Dioxin-like Persistent Organic Pollutants in Textiles and Chemicals in the Textile Sector [PDF]

open access: yes, 2006
Over 70.0000 tons of dye-stuff is produced annually with more than 100,000 commercially available dyes. Synthesis of colorants involves a relatively large group of chemicals with complex syntheses.
Alenka Majcen Le Marechal   +1 more
core   +2 more sources

Safety of Tattoos and Permanent Make up (PMU) Colorants

open access: yesCosmetics, 2021
The art of tattooing is a popular decorative approach for body decoration and has a corrective value for the face. The tattooing procedure is characterized by placing exogenous pigments into the dermis with a number of needles.
Eleni Andreou   +3 more
doaj   +1 more source

A holistic multimodal approach to the non-invasive analysis of watercolour paintings [PDF]

open access: yes, 2015
A holistic approach using non-invasive multimodal imaging and spectroscopic techniques to study the materials (pigments, drawing materials and paper) and painting techniques of watercolour paintings is presented.
Bailey, K   +6 more
core   +2 more sources

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