Results 21 to 30 of about 2,255 (179)

Determination of Ten Kinds of Azo Dyes in Chinese Medicinal Materials by Ultra Performance Convergence Chromatography Tandem Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2021
A method based on ultra performance convergence chromatography tandem mass spectrometry (UPC2-MS/MS) was established for the determination of ten kinds of azo dyes (ADs) in Chinese medicinal materials.
YANG Guang-yong   +3 more
doaj   +1 more source

SWATH-MS screening strategy for the determination of food dyes in spices by UHPLC-HRMS

open access: yesFood Chemistry: X, 2019
A multi-class wide-scope screening method for the detection and identification of artificial colours and illegal dyes in spices was developed for regulatory purposes.
Aurélie Périat   +2 more
doaj   +1 more source

Simple determination of Sudan dyes in fruit juice and spices by microfunnel-filter-based emulsification microextraction followed by high performance liquid chromatography [PDF]

open access: yesشیمی کاربردی روز, 2019
In this work, a rapid method termed as microfunnel-filter-based emulsification microextraction is coupled with high performance liquid chromatography for a simple determination of the banned Sudan dyes (I, II, and III) in fruit juice, spice, and water ...
mitra talaee   +4 more
doaj   +1 more source

Quality and safety evaluation of important parameters in palm oil from major cities in Ghana

open access: yesScientific African, 2021
Ghanaian consumers’ confidence and trust in palm oil have become weak over the past few years. This research seeks to evaluate the quality and safety (Sudan adulteration) parameters of palm oil samples from seven major cities in Ghana using a completely ...
Roseline MacArthur   +2 more
doaj   +1 more source

Waterborne Polyurethane Coatings with Covalently Linked Black Dye Sudan Black B [PDF]

open access: yesMaterials, 2017
Colored waterborne polyurethanes have been widely used in paintings, leathers, textiles, and coatings. Here, a series of black waterborne polyurethanes (WPUs) with different ratios of black dye, Sudan Black B (SDB), were prepared by step-growth polymerization.
Tao Wang   +4 more
openaire   +2 more sources

Chromatographic determination of 12 dyes in meat products by HPLC-UV-DIODE array detection

open access: yesMethodsX, 2019
The use of food dyes in meat is regulated by the current European and non-European legislation, due to several food safety concerns. A reliable method for the quali-quantitative determination of 12 food dyes (Amaranth, Ponceau 4R, Carmine, Ponceau SX ...
Marco Iammarino   +5 more
doaj   +1 more source

Detecting Dye-Contaminated Vegetables Using Low-Field NMR Relaxometry

open access: yesFoods, 2021
Dyeing vegetables with harmful compounds has become an alarming public health issue over the past few years. Excessive consumption of these dyed vegetables can cause severe health hazards, including cancer.
Sumaiya Shomaji   +7 more
doaj   +1 more source

Optical and Optoelectronic Studies of Binary and Ternary Films of Poly(L-Tryptophane), Poly(5-hydroxy-L-tryptophane), and P(TER-CO-TRI) Doped with Sudan Dye

open access: yesARO-The Scientific Journal of Koya University, 2023
In this work, the optical properties and optoelectronics parameters of binary and ternary composite films made of two electron acceptors, poly(L-Tryptophane) and poly(5-hydroxy-L-Tryptophane), with an electron donor, P(TER-CO-TRI), doped with Sudan dyes,
Barham K. Rahim   +4 more
doaj   +1 more source

Sex determination using cheiloscopy and mandibular canine index as a tool in forensic dentistry

open access: yesJournal of Forensic Science and Medicine, 2018
Identification of a person′s individuality and sex determination are important for legal as well as identification purposes. The aim of the present study was to check the reliability of cheiloscopy and mandibular canine index (MCI) in the determination ...
B Bhagyashree   +6 more
doaj   +1 more source

Biosorption of cationic and anionic dyes using the biomass of Aspergillus parasiticus CBS 100926T

open access: yesWater Science and Technology, 2021
Aspergillus parasiticus (A. parasiticus) CBS 100926T was used as a biosorbent for the removal of Methylene Blue (MB), Congo Red (CR), Sudan Black (SB), Malachite Green Oxalate (MGO), Basic Fuchsin (BF) and Phenol Red (PR) from aqueous solutions.
Hadj Daoud Bouras   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy