Magnetic mesoporous polyimide composite for efficient extraction of Rhodamine B in food samples.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of separation science"
DOI: 10.1002/jssc.201900054
Abstract: A core-shell structured magnetic polyimide composite has been synthesized by the covalent coating of a mesoporous polyimide polymer onto the surface of magnetite nanoparticles. The nanocomposite was characterized by scanning electron microscopy, transmission electron microscopy,… read more here.
Keywords: extraction; rhodamine food; microscopy; mesoporous polyimide ... See more keywords
Determination of trans-fatty acids in food samples based on the pre-column fluorescence derivatization by high performance liquid chromatography.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of separation science"
DOI: 10.1002/jssc.202100792
Abstract: Trans-fatty acids are unsaturated fatty acids that are considered to have health risks. 1,3,5,7-Tetramethyl-8-butyrethylenediamine-difluoroboradiaza-s-indacene is a highly-sensitive fluorescent labeling reagent for carboxylic acids developed by our lab. In this study, using this pre-column fluorescent derivatization… read more here.
Keywords: fluorescence; column; trans fatty; fatty acids ... See more keywords
TD‐NMR to understand water‐binding food properties
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Chemistry"
DOI: 10.1002/mrc.4815
Abstract: Nuclear magnetic resonance (NMR) is a versatile technique that allows assessing the composition and structure of food samples. It provides information on molecular properties, which can be used for quantification of concentration and interactions of… read more here.
Keywords: nmr; water; magnetic resonance; chemistry ... See more keywords
A New Core@Shell Silica-Coated Magnetic Molecular Imprinted Nanoparticles for Selective Detection of Sunset Yellow in Food Samples
Sign Up to like & getrecommendations! Published in 2017 at "Food Analytical Methods"
DOI: 10.1007/s12161-017-0803-8
Abstract: In this work, silica-coated magnetic nanoparticles were used as seed particles in the production of molecularly imprinted polymer (MIP) shells by copolymerization of ethylene glycol dimethacrylate with methacrylic acid in the presence of sunset yellow… read more here.
Keywords: sunset yellow; silica coated; food samples; core shell ... See more keywords
Separation/Analysis Safranine T in Food Samples Using Surfactant/Ionic Liquid Aqueous Two-Phase Systems
Sign Up to like & getrecommendations! Published in 2017 at "Food Analytical Methods"
DOI: 10.1007/s12161-017-0844-z
Abstract: Sodium dodecyl sulfate (SDS)/room temperature ionic liquids (RTILs) 1-hexyl-3-methylimidazolium bromide aqueous two-phase systems (ATPSs) are presented as separation/enrichment coupled with ultraviolet spectrometry for separation/analysis safranine T in food samples. The main factors affecting the ATPSs,… read more here.
Keywords: safranine; phase; safranine food; separation ... See more keywords
Determination of Selenium in Food Samples by High-Resolution Continuum Source Atomic Absorption Spectrometry After Preconcentration on Halloysite Nanotubes Using Ultrasound-Assisted Dispersive Micro Solid-Phase Extraction
Sign Up to like & getrecommendations! Published in 2018 at "Food Analytical Methods"
DOI: 10.1007/s12161-018-1345-4
Abstract: In this study, a preconcentration procedure was developed for the determination of selenium in food samples using high-resolution continuum source graphite furnace atomic absorption spectrometry (HR-CS GFAAS). Halloysite nanotubes (HNTs) were used as a solid… read more here.
Keywords: selenium food; determination selenium; selenium; preconcentration ... See more keywords
Focusing and non-focusing modulation strategies for the improvement of on-line two-dimensional hydrophilic interaction chromatography × reversed phase profiling of complex food samples.
Sign Up to like & getrecommendations! Published in 2017 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2017.07.013
Abstract: Comprehensive two-dimensional liquid chromatography (LC × LC) is ever gaining interest in food analysis, as often, food-related samples are too complex to be analyzed through one-dimensional approaches. The use of hydrophilic interaction chromatography (HILIC) combined with reversed… read more here.
Keywords: chromatography; modulation; complex food; focusing modulation ... See more keywords
A berberrubine-derived fluorescent probe for hydrazine and its practical application in water and food samples.
Sign Up to like & getrecommendations! Published in 2021 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2021.338504
Abstract: In this work, we attempted to develop a fluorescent probe for hydrazine in real samples. Accordingly, we designed BER9-HZ to fulfill the set rules as solubility, anti-interference capability and functional compatibility. The selected reporting group… read more here.
Keywords: fluorescent probe; food samples; probe hydrazine; hydrazine ... See more keywords
Fungi isolated from food samples for an efficient stereoselective production of phenylethanols
Sign Up to like & getrecommendations! Published in 2017 at "Biocatalysis and agricultural biotechnology"
DOI: 10.1016/j.bcab.2017.10.014
Abstract: Abstract Twenty strains of fungi isolated from food samples were screened for the asymmetric reduction of acetophenone. A dimorphic fungus denominated initially as GZ1 and isolated from a carrot sour rot showed very high reduction… read more here.
Keywords: production; isolated food; samples efficient; fungi isolated ... See more keywords
Synthesis, characterization and application of a new fluorescence reagent for the determination of aluminum in food samples.
Sign Up to like & getrecommendations! Published in 2017 at "Food chemistry"
DOI: 10.1016/j.foodchem.2017.06.055
Abstract: A new sensitive fluorimetry method for the simple and rapid measurement of aluminum in some food samples, which used 3',6'-bis(diethylamino)-2-{[(1E)-(4-ethoxyphenyl) methylene] amino}spiro[isoindole-1,9'-xanthen]-3(2H)-one (DEMAX) for Al(III) chelation is described herein. The fluorescence intensity of the aluminum-DEMAX… read more here.
Keywords: reagent; fluorescence; aluminum food; aluminum ... See more keywords
Zipper-like magnetic molecularly imprinted microspheres for on/off-switchable recognition and extraction of 17β-estradiol from food samples.
Sign Up to like & getrecommendations! Published in 2018 at "Food chemistry"
DOI: 10.1016/j.foodchem.2018.04.034
Abstract: Zipper-like on/off-switchable and magnetic molecularly imprinted microspheres (SM-MIMs) were constructed using acrylamide (AAm) and 2-acrylamide-2-methyl propanesulfonic acid (AMPS) as functional monomers for 17β-estradiol (17β-E2) recognition and extraction. The imprinted polymer interactions between poly(AAm) (PAAm) and… read more here.
Keywords: magnetic molecularly; extraction; zipper like; recognition ... See more keywords