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Ionic liquids extraction of Para Red and Sudan dyes from chilli powder, chilli oil and food additive combined with high performance liquid chromatography
Accurate mass measurements for the confirmation of Sudan azo-dyes in hot chilli products by capillary liquid chromatography–electrospray tandem quadrupole orthogonal-acceleration time of flight mass spectrometry
Simultaneous determination of water-soluble and fat-soluble synthetic colorants in foodstuff by high-performance liquid chromatography–diode array detection–electrospray mass spectrometry
Development and optimization of an analytical method for the determination of Sudan dyes in hot chilli pepper by high-performance liquid chromatography with on-line electrogenerated BrO−-luminol chemiluminescence detection
Determination of banned 10 azo-dyes in hot chili products by gel permeation chromatography–liquid chromatography–electrospray ionization-tandem mass spectrometry
Comparison of dual solvent-stir bars microextraction and U-shaped hollow fiber–liquid phase microextraction for the analysis of Sudan dyes in food samples by high-performance liquid chromatography–ultraviolet/mass spectrometry
Analysis of sudan I, sudan II, sudan III, and sudan IV in food by HPLC with electrochemical detection: Comparison of glassy carbon electrode with carbon nanotube-ionic liquid gel modified electrode
Development of a highly sensitive and specific monoclonal antibody-based enzyme-linked immunosorbent assay (ELISA) for detection of Sudan I in food samples
Development of a method for the analysis of seven banned azo-dyes in chilli and hot chilli food samples by pressurised liquid extraction and liquid chromatography with electrospray ionization-tandem mass spectrometry
Development of a Fast Analytical Method for the Determination of Sudan Dyes in Chili- and Curry-Containing Foodstuffs by High-Performance Liquid Chromatography−Photodiode Array Detection
Assay of the Set of All Sudan Azodye (I, II, III, IV, and Para-Red) Contaminating Agents by Liquid Chromatography−Tandem Mass Spectrometry and Isotope Dilution Methodology
Determination of 1-phenylazo-2-naphthol (Sudan I) in chilli powder and in chilli-containing food products by GPC clean-up and HPLC with LC/MS confirmation
Fast Cleanup Method for the Analysis of Sudan IIV and Para Red in Various Foods and Paprika Color (Oleoresin) by High-Performance Liquid Chromatography/Diode Array Detection: Focus on Removal of Fat and Oil as Fatty Acid Methyl Esters Prepared by Transesterification of Acylglycerols
Determination of sudan dyes in red wine and fruit juice using ionic liquid‐based liquid–liquid microextraction and high‐performance liquid chromatography
Determination of Sudan dyes in chili pepper powder by online solid‐phase extraction with a butyl methacrylate monolithic column coupled to liquid chromatography with tandem mass spectrometry
Multilayered particle‐packed column: Evaluation and comparison with monolithic and core–shell particle columns for the determination of red azo dyes in Sequential Injection Chromatography
Electromagnetic dispersive solid‐phase extraction based on polyaniline‐coated magnetite/silica materials for the determination of Sudan red I in drinks
Temperature‐induced dispersive solid‐phase extraction as a new approach for preconcentration of Sudan dyes in water and food samples prior to the determination by high‐performance liquid chromatography
An Electrochemically Polymerized Glycine-Modified Carbon Paste Sensor for the Analysis of Carmoisine in the Presence of Environmentally Significant Dyes
UV-Visible Spectroscopy and Multivariate Classification as a Screening Tool to Identify Adulteration of Culinary Spices with Sudan I and Blends of Sudan I + IV Dyes
High Internal Phase Emulsion Polymeric Monolith Extraction Coupling with High-Performance Liquid Chromatography for the Determination of Para Red and Sudan Dyes in Chilli Samples
Application of High-Performance Liquid Chromatography with Diode Array Detector for Simultaneous Determination of 11 Synthetic Dyes in Selected Beverages and Foodstuffs
Magnetic Solid Phase Extraction of Five Sudan Dyes from Powdered Chili Pepper Samples Using C18/DVB/NVP-Multifunctional Core–Shell Magnetic Nanoparticles Followed by HPLC–UV Analysis
Development and validation of ultra-high performance supercritical fluid chromatography method for determination of illegal dyes and comparison to ultra-high performance liquid chromatography method
Multiplexed surface-enhanced Raman scattering detection of melamine and dicyandiamide in dairy food enabled by three-dimensional polystyrene@silver@graphene oxide hybrid substrate
Ultrasound-assisted emulsification microextraction coupled with salt-induced demulsification based on solidified floating organic drop prior to HPLC determination of Sudan dyes in chili products
Multifunctional magnetic sphere-MoS2@Au hybrid for surface-enhanced Raman scattering detection and visible light photo-Fenton degradation of aromatic dyes
Molecularly imprinted matrix solid-phase dispersion combined with dispersive liquid–liquid microextraction for the determination of four Sudan dyes in egg yolk
Novel amphiphilic polymeric ionic liquid-solid phase micro-extraction membrane for the preconcentration of aniline as degradation product of azo dye Orange G under sonication by liquid chromatography–tandem mass spectrometry
Sudan II and IV induce liver carcinogenesis through interactions with AKR1D1 in computational and experimental studies insights from the Taiwan Sudan Red chili pepper incident
A study on redox reactions of the azo dye Sudan I and its hydroxylated metabolites on pyrolytic graphite and boron doped diamond electrodes to support electrochemical studies of metabolic transformations
Membrane filtration of Sudan orange G on a cellulose acetate membrane filter for separation–preconcentration and spectrophotometric determination in water, chili powder, chili sauce and tomato sauce samples
QuEChERS sample preparation integrated to dispersive liquid-liquid microextraction based on solidified floating organic droplet for spectrometric determination of sudan dyes: A synergistic approach
Simultaneous determination of 14 oil-soluble synthetic dyes in chilli products by high performance liquid chromatography with a gel permeation chromatography clean-up procedure
A novel conducting poly(p-aminobenzene sulphonic acid)-based electrochemical sensor for sensitive determination of Sudan I and its application for detection in food stuffs
Identification and determination of 34 water-soluble synthetic dyes in foodstuff by high performance liquid chromatography–diode array detection–ion trap time-of-flight tandem mass spectrometry
Centrifugeless dispersive liquid-liquid microextraction based on salting-out phenomenon followed by high performance liquid chromatography for determination of Sudan dyes in different species
Switchable fatty acid based CO2-effervescence ameliorated emulsification microextraction prior to high performance liquid chromatography for efficient analyses of toxic azo dyes in foodstuffs
Trace analysis of food by surface-enhanced Raman spectroscopy combined with molecular imprinting technology: Principle, application, challenges, and prospects
Authentication of PDO paprika powder (Pimentón de la Vera) by multivariate analysis of the elemental fingerprint determined by ED-XRF. A feasibility study
Organic solvent-free air-assisted liquid–liquid microextraction for optimized extraction of illegal azo-based dyes and their main metabolite from spices, cosmetics and human bio-fluid samples in one step
Non-destructive fluorescence spectroscopy combined with second-order calibration as a new strategy for the analysis of the illegal Sudan I dye in paprika powder
Aqueous biphasic systems composed of polypropylene glycol and tetraalkylammonium salts: Thermodynamic investigation and application for efficient extraction of biomolecules and dyes
Crystallographic and spectroscopic studies as well as DFT quantum chemical calculations of hydrazo-bond conformation in 4,4′-dimethyl-3,3′,5,5′-tetranitro-2,2-hydrazobipyridine
An up-conversion test paper based on “switch-off” of fluorescence is constructed to sensitively and selectively detect cancer-causing dye Sudan III in lipstick
Utilizing polyethyleneimine-capped silver nanoclusters as a new fluorescence probe for Sudan I–IV sensing in ethanol based on fluorescence resonance energy transfer
Development of Sudan II sensor based on modified treated pencil graphite electrode with DNA, o-phenylenediamine, and gold nanoparticle bioimprinted polymer
Development and validation of a rapid HPLC method for the determination of five banned fat-soluble colorants in spices using a narrow-bore monolithic column
Magnetic/non-magnetic argan press cake nanocellulose for the selective extraction of sudan dyes in food samples prior to the determination by capillary liquid chromatograpy
Solid-phase microextraction based on nickel-foam@polydopamine followed by ion mobility spectrometry for on-site detection of Sudan dyes in tomato sauce and hot-pot sample
Superhydrophobic-Oleophobic Ag Nanowire Platform: An Analyte-Concentrating and Quantitative Aqueous and Organic Toxin Surface-Enhanced Raman Scattering Sensor
Eu,Sm,Mn-Doped CaS Nanoparticles with 59.3% Upconversion-Luminescence Quantum Yield: Enabling Ultrasensitive and Facile Smartphone-Based Sulfite Detection
Dispersive Liquid-Phase Microextraction with Solidification of Floating Organic Droplet Coupled with High-Performance Liquid Chromatography for the Determination of Sudan Dyes in Foodstuffs and Water Samples
Induced Expression of Cytochrome P450 1A and NAD(P)H:Quinone Oxidoreductase Determined at mRNA, Protein, and Enzyme Activity Levels in Rats Exposed to the Carcinogenic Azo Dye 1-Phenylazo-2-naphthol (Sudan I)
Rapid and sensitive determination of Sudan dyes in hot chilli products by solid-phase extraction directly combined with time-of-flight mass spectrometry
A simple and fast Fe3O4 magnetic nanoparticles-based dispersion solid phase extraction of Sudan dyes from food and water samples coupled with high-performance liquid chromatography
Coupling carbon nanotube film microextraction with desorption corona beam ionization for rapid analysis of Sudan dyes (I–IV) and Rhodamine B in chilli oil
Self-assembled conjugated polymer/carboxymethyl chitosan grafted poly(p-dioxanone) nanomicelles and their use in functionalized indicator paper for fast and visual detection of a banned food dye
18 Year analysis of RASFF notifications on Sudan dye adulterated cases in palm oil (2004 to 2022) and the principles of the technique for its detection
Ultra-Trace Determination of Sudan I, II, III, and IV in Wastewater by Solid-Phase Microextraction (SPME) and on-Line Solid-Phase Extraction (SPE) with High-Performance Liquid Chromatography (HPLC)
Supramolecular solvent-based microextraction of Sudan Orange G at trace levels for its separation, preconcentration and spectrophotometric determination
Simultaneous determination and extraction of illegal dyes Sudan orange G and Sudan red 7B using ultrasonic assisted dispersive liquid–liquid microextraction based on deep eutectic solvent followed by derivative UV-VIS spectrophotometry
Analytical methods for detection of Sudan dyes in food: a critical review of sample preparation, instrumental techniques and global surveillance data (2010–2025)
Illegal synthetic dyes in spices: a Singapore case study
showing the first 200 of 257
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