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Showing 1 to 12 of 109 entries
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Synthesis of molecularly imprinted polymer nanoparticles for the fast and highly selective adsorption of sunset yellow.

Journal of separation science

Zhang Y, Xie Z, Teng X, Fan J.
PMID: 26899416
J Sep Sci. 2016 Apr;39(8):1559-66. doi: 10.1002/jssc.201501295. Epub 2016 Apr 06.

Novel molecularly imprinted polymer nanoparticles were synthesized by precipitation polymerization with sunset yellow as the template and [2-(methacryloyloxy)ethyl] trimethylammonium chloride as the functional monomer. The molecularly imprinted polymer nanoparticles were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy,...

Determination of sulphonated azo dyes in food by ion-pair liquid chromatography with photodiode array and electrospray mass spectrometry detection.

Talanta

Fuh MR, Chia KJ.
PMID: 18968541
Talanta. 2002 Mar 11;56(4):663-71. doi: 10.1016/s0039-9140(01)00625-7.

An ion-pair liquid chromatography method with on-line photodiode-array and electrospray mass spectrometry detection was developed to determine 10 commonly used sulphonated azo dyes (Tartrazine, Amaranth, New Coccine, Sunset Yellow FCF, Allura Red AC, Ponceau R, Ponceau 3R, Orange I,...

An ancient nova shell around the dwarf nova Z Camelopardalis.

Nature

Shara MM, Martin CD, Seibert M, Rich RM, Salim S, Reitzel D, Schiminovich D, Deliyannis CP, Sarrazine AR, Kulkarni SR, Ofek EO, Brosch N, Lépine S, Zurek D, De Marco O, Jacoby G.
PMID: 17344847
Nature. 2007 Mar 08;446(7132):159-62. doi: 10.1038/nature05576.

Cataclysmic variables (classical novae and dwarf novae) are binary star systems in which a red dwarf transfers hydrogen-rich matter, by way of an accretion disk, to its white dwarf companion. In dwarf novae, an instability is believed to episodically...

Derivative spectrophotometric resolution of mixtures of the food colourants Tartrazine, Amaranth and Curcumin in a micellar medium.

Talanta

Cruces Blanco C, García Campaña AM, Alés Barrero F.
PMID: 18966575
Talanta. 1996 Jul;43(7):1019-27. doi: 10.1016/0039-9140(96)01847-4.

A study of the absorption spectra of the food colourants Tartrazine (E-102), Amaranth (E-123) and Curcumin (E-100) in various organic solvents and pH media, have been carried out. In addition, the spectral behaviour in aqueous micellar systems of anionic,...

Voltammetric determination of food colorants using a polyallylamine modified tubular electrode in a multicommutated flow system.

Talanta

Silva ML, Garcia MB, Lima JL, Barrado E.
PMID: 19071615
Talanta. 2007 Apr 15;72(1):282-8. doi: 10.1016/j.talanta.2006.10.032. Epub 2006 Nov 28.

This work describes the construction of a polyallylamine modified tubular glassy carbon electrode and its application in the electroreduction of food azo colorants (tartrazine, sunset yellow and allura red) by square wave voltammetry. The electrode modification prevented the surface...

Serological changes induced by blend of sunset yellow, metanil yellow and tartrazine in swiss albino rat, rattus norvegicus.

Toxicology international

Saxena B, Sharma S.
PMID: 24748737
Toxicol Int. 2014 Jan;21(1):65-8. doi: 10.4103/0971-6580.128798.

OBJECTIVE: The present study was carried out to evaluate the toxic effect of blend of some food colors on Swiss albino rats.MATERIALS AND METHODS: A blend (1:1:1) of sunset yellow, metanil yellow and tartrazine showed additive effects on serological...

A modification of the successive projections algorithm for spectral variable selection in the presence of unknown interferents.

Analytica chimica acta

Soares SF, Galvão RK, Araújo MC, da Silva EC, Pereira CF, de Andrade SI, Leite FC.
PMID: 21338751
Anal Chim Acta. 2011 Mar 09;689(1):22-8. doi: 10.1016/j.aca.2011.01.022. Epub 2011 Jan 19.

This work proposes a modification to the successive projections algorithm (SPA) aimed at selecting spectral variables for multiple linear regression (MLR) in the presence of unknown interferents not included in the calibration data set. The modified algorithm favours the...

Ultrasonic assisted synthesis of magnetic Ni-Ag bimetallic nanoparticles supported on reduced graphene oxide for sonochemical simultaneous removal of sunset yellow and tartrazine dyes by response surface optimization: Application of derivative spectrophotometry.

Ultrasonics sonochemistry

Mirzajani R, Karimi S.
PMID: 30274892
Ultrason Sonochem. 2019 Jan;50:239-250. doi: 10.1016/j.ultsonch.2018.09.022. Epub 2018 Sep 20.

The magnetic Ni-Ag bimetallic nanoparticles supported on reduced graphene oxide (Ni-Ag NPs/rGO) was synthesized and characterized by transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), field emission scanning electron microscopy (FE-SEM) and vibrating sample magnetometer (VSM). Subsequently, this...

Data on prevalence of additive colors in local food and beverage products, Tehran, Iran.

Data in brief

Asadnejad S, Nabizadeh R, Nazarinia A, Jahed GR, Alimohammadi M.
PMID: 30229087
Data Brief. 2018 Jul 09;19:2104-2108. doi: 10.1016/j.dib.2018.07.001. eCollection 2018 Aug.

The quality check and determination of permitted and non-permitted additive colors in food products is very important for customer׳s right protection and health. This survey was undertaken to demonstrate the frequently use of additive colors and products targeted to...

Determination of 20 synthetic dyes in chili powders and syrup-preserved fruits by liquid chromatography/tandem mass spectrometry.

Journal of food and drug analysis

Tsai CF, Kuo CH, Shih DY.
PMID: 28911703
J Food Drug Anal. 2015 Sep;23(3):453-462. doi: 10.1016/j.jfda.2014.09.003. Epub 2015 Jan 01.

A liquid chromatography/tandem mass spectrometry (LC-MS/MS) method is developed to simultaneously determine 20 synthetic dyes (New Coccine, Indigo Carmine, Erythrosine, Tartrazine, Sunset Yellow FCF, Fast Green FCF, Brilliant Blue FCF, Allura Red AC, Amaranth, Dimethyl Yellow, Fast Garnet GBC,...

Fixed Drug Eruption due to Achiote Dye.

Case reports in dermatology

Tattersall I, Reddy BY.
PMID: 26933409
Case Rep Dermatol. 2016 Jan 28;8(1):14-8. doi: 10.1159/000443949. eCollection 2016.

Fixed drug eruption (FDE) is a localized type IV sensitivity reaction to a systemically introduced allergen. It usually occurs as a result of new medication, making identification and avoidance of the trigger medication straightforward; however, in a rare subset...

Sensitive and Selective Detection of Tartrazine Based on TiO₂-Electrochemically Reduced Graphene Oxide Composite-Modified Electrodes.

Sensors (Basel, Switzerland)

He Q, Liu J, Liu X, Li G, Deng P, Liang J, Chen D.
PMID: 29895779
Sensors (Basel). 2018 Jun 12;18(6). doi: 10.3390/s18061911.

TiO₂-reduced graphene oxide composite-modified glassy carbon electrodes (TiO₂⁻ErGO⁻GCE) for the sensitive detection of tartrazine were prepared by drop casting followed by electrochemical reduction. The as-prepared material was characterized by transmission electron microscopy (TEM) and X-ray diffraction (XRD). Cyclic voltammetry...

Showing 1 to 12 of 109 entries