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Han-Wen Sun et al.
Journal of chromatography. A, 1164(1-2), 120-128 (2007-08-19)
An accurate method based on the use of gel permeation chromatography (GPC)-liquid chromatography-tandem mass spectrometry interfaced with electrospray ionization (GPC-LC-ESI-MS/MS) was devised for the simultaneous determination of Sudan (I-IV), Sudan Orange G, Sudan Red B, Sudan Red G, Sudan Red
Xiaolin Hou et al.
Journal of chromatographic science, 48(1), 22-25 (2010-01-09)
A simple high-performance liquid chromatography method was developed for quantitative determination of para red, Sudan I, Sudan II, Sudan III, Sudan IV, canthaxanthin, and astaxanthin in feedstuff. The sample was extracted using acetonitrile and cleaned up on a C(18) SPE
Smriti M Krishna et al.
The American journal of pathology, 181(2), 706-718 (2012-06-16)
There are currently no acceptable treatments to limit progression of abdominal aortic aneurysm (AAA). Increased serum concentrations of high-density lipoprotein (HDL) are associated with reduced risk of developing an AAA. The present study aimed to assess the effects of fenofibrate
Carolina V Di Anibal et al.
Talanta, 79(3), 887-892 (2009-07-07)
We propose a very simple and fast method for detecting Sudan dyes (I, II, III and IV) in commercial spices, based on characterizing samples through their UV-visible spectra and using multivariate classification techniques to establish classification rules. We applied three
Qi Wu et al.
Sheng wu gong cheng xue bao = Chinese journal of biotechnology, 25(10), 1477-1482 (2010-02-02)
We prepared the nano-sized magnetic fluid in aqueous phase solution to modify the killed yeast cells (Saccharomyces cerevisiae). Subsequently, the yeast cells with good magnetic response was obtained.The infrared spectroscopy analysis showed that the modified yeast cells increased obviously the
U Filipkowska
Environmental technology, 29(6), 681-690 (2008-08-16)
A study was undertaken to evaluate the efficiency of adsorption and desorption of three reactive dyes on to modified chitin. Black DN from the chlorotriazine group, Scarlet R from the vinylsulfone group of dyes and a chlorovinyl dye, Brilliantorange 3R
Jean T Jacob et al.
Investigative ophthalmology & visual science, 53(7), 3473-3480 (2012-04-19)
A lipophilic dye is used to investigate the degree to which the surface and bulk hydrophobic domains of the lenses can be imaged and to identify specific changes in the availability of those domains after in vitro wear and cleaning
Weixuan Lin et al.
Se pu = Chinese journal of chromatography, 30(5), 527-532 (2012-09-01)
A method of high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) has been established for the simultaneous determination of six forbidden colorants including Sudan IV, Acid Violet 49, Sudan Blue 2, Solvent Red 49, Basic Violet 1 and Pigment Orange 5
Dawei Lu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 49(12), 3158-3164 (2011-09-29)
In this paper, we report the interaction of Sudan II and Sudan IV to bovine serum albumin (BSA). Structural analysis showed that both Sudan II and Sudan IV interact mainly with BSA at the hydrophobic pocket and via Van der
Sheng Tian Huang et al.
Biosensors & bioelectronics, 42, 136-140 (2012-12-04)
We report on an ultrasensitive and selective fluorescence assay for Sudan I and III against the influence of Sudan II and IV based on ligand exchange mechanism. Calcein as a fluorescence indicator and Sudan I-IV as model analytes were employed
Yin-Liang Wu et al.
Journal of chromatographic science, 48(1), 63-67 (2010-01-09)
A simple and sensitive high-performance liquid chromatography (HPLC) analytical method for the simultaneous determination of six Sudan dyes (Sudan Red G, Sudan I, Sudan II, Sudan III, Sudan Red 7B, Sudan IV) in animal tissues and eggs was developed. Samples
Lichuan Niu et al.
Journal of the science of food and agriculture, 90(2), 338-342 (2010-04-01)
A green, simple and sensitive flow injection chemiluminescence (CL) procedure is proposed for the determination of Sudan dyes. The method is based on the finding that Sudan I, II, III and IV markedly enhance the CL intensity of the luminol/dissolved
Fabio Mazzotti et al.
Journal of agricultural and food chemistry, 56(1), 63-67 (2007-12-07)
A high-throughput mass spectrometric method is presented for the simultaneous detection of Sudan I, II, III, IV, and Para-Red azodyes in foodstuff. The method is based on the use of deuterium-labeled internal standards and atmospheric pressure chemical ionization (APCI) in
Quanlin Wang et al.
Se pu = Chinese journal of chromatography, 25(6), 864-866 (2008-02-09)
A reversed-phase high performance liquid chromatographic (RP-HPLC) method for the simultaneous determination of canthaxanthin, Sudan Red I , Sudan Red II , Sudan Red III and Sudan Red IV in salted duck egg yolk has been developed. These canthaxanthin and
Hongyuan Yan et al.
The Analyst, 136(12), 2629-2634 (2011-05-11)
A simple and highly selective molecularly imprinted solid-phase extraction (MISPE) combined with ultrasound-assisted dispersive liquid-liquid microextraction (DLLME) was developed for the determination of four Sudan dye (I, II, III, and IV) residues in sausage products. The novel molecularly imprinted microspheres
Yue Zhang et al.
Environmental toxicology, 26(3), 292-299 (2009-12-17)
We evaluated the role of oxidative stress in Sudan IV-induced DNA damage, using human liver-derived HepG2 cells. The DNA damaging effects of Sudan IV in HepG2 cells were evaluated by alkaline single cell gel electrophoresis assay and micronucleus test (MNT).
Chunzhu Jiang et al.
Talanta, 89, 38-46 (2012-01-31)
In this study, the new C(18)-functionalized ultrafine magnetic silica nanoparticles (C(18)-UMS NPs) were successfully synthesized and applied for extraction of sudan dyes in water samples based on the magnetic solid-phase extraction (MSPE). The extraction and concentration were carried out in
Yoko Uematsu et al.
Journal of AOAC International, 90(2), 437-445 (2007-05-04)
A fast and effective cleanup method was developed for the analysis of Sudan I, II, III, IV, and Para Red (Sudan dyes) in various foods and paprika color (oleoresin) by high-performance liquid chromatography (LC) with a diode array detector (DAD).
Michael Torzewski et al.
Atherosclerosis, 206(1), 159-167 (2009-03-10)
Although atherosclerosis in infants and children is generally acknowledged, the temporal and spatial sequence of LDL insudation, modification and intimal monocyte accumulation has not been systematically studied. We have investigated herein very early stages of lesion formation in human aortas
Sumita Dixit et al.
Journal of AOAC International, 91(6), 1387-1396 (2009-02-11)
A method using simple extraction and 2-directional high-performance thin-layer chromatography (HPTLC) was developed for the simultaneous determination of curcumin, metanil yellow, and sudan dyes in turmeric, chili, and various mixed curry powder formulations. The method offers resolution (Rf) of turmeric
V V Bessononv et al.
Voprosy pitaniia, 79(2), 60-65 (2010-06-22)
Since 2004 was important the problem of determination of non-food dyes as Sudan I-IV and Para Red. Therefore it was necessary to develop reliable methodologies or adapt existing analytical methods for monitoring the presence of such dyes in food. For
Laura Anfossi et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 26(6), 800-807 (2009-08-15)
This study aimed at developing sensitive competitive enzyme-linked immunosorbent assays (ELISAs) for the banned Sudan dyes using polyclonal antibodies. Three different formats were developed and characterized in terms of sensitivity, selectivity and rapidity. A competitive indirect ELISA was developed, which
Zhenxia Du et al.
Se pu = Chinese journal of chromatography, 25(5), 705-710 (2007-12-29)
A method of the simultaneous analysis of Sudan Red I - IV in duck egg yolk was developed with an ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). Acetonitrile was used to extract the residues from duck egg yolk, and water
T Aarthi et al.
Journal of hazardous materials, 149(3), 725-734 (2007-06-02)
The present study investigates the dependence of photocatalytic rate on molecular structure of the substrate that is degraded. The photocatalytic degradation of Azure (A and B) and Sudan (III and IV) dyes, having similar structure, but different functional groups, were
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