Articles with "column derivatization" as a keyword



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Quantification of bisphenol A and its selected analogs in serum using pre-column derivatization with high-performance liquid chromatography and tandem mass spectrometry

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Published in 2019 at "IEEE Journal of Solid-state Circuits"

DOI: 10.1002/jssc.201800847

Abstract: Due to regulation of the use of bisphenol A, several analogs serving as bisphenol A replacements have drawn substantial attention for their adverse health effects. To investigate their occurrence in humans and identify possible pollution… read more here.

Keywords: bisphenol; derivatization high; pre column; liquid ... See more keywords
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A simple pre-column derivatization method for the determination of mancozeb technical (fungicide) by reverse phase HPLC-UV

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Published in 2017 at "Analytical Methods"

DOI: 10.1039/c7ay00830a

Abstract: A simple and fast pre-column derivatization high performance liquid chromatographic method for the technical analysis of mancozeb was developed and validated in the present study. The mobile phase consists of a mixture of acetonitrile and… read more here.

Keywords: pre column; column derivatization; mancozeb technical; method ... See more keywords
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Rapid and Effective Sample Cleanup based on Polyvinylpyrrolidone-Coated Magnetite Nanoparticles Coupled with New Pre-Column Derivatization for Determination of Aflatoxins B1, B2, G1 and G2 in Animal Feeds by High-Performance Liquid Chromatography with Fluorescence Detection

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Published in 2019 at "Journal of the Brazilian Chemical Society"

DOI: 10.21577/0103-5053.20190088

Abstract: A novel method for the determination of aflatoxins B1, B2, G1, and G2 (AFB1, AFB2, AFG1, AFG2) in animal feed samples based on magnetic solid-phase cleanup and novel pre-column derivatization has been developed. In this… read more here.

Keywords: pre column; determination aflatoxins; detection; column derivatization ... See more keywords
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Detection of Balenine in Mouse Plasma after Administration of Opah-Derived Balenine by HPLC with PITC Pre-Column Derivatization

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Published in 2022 at "Foods"

DOI: 10.3390/foods11040590

Abstract: We examined the absorption of balenine (Bal) in mouse blood after the administration of a high-purity Bal prepared from opah muscle. Using HPLC with phenyl isothiocyanate pre-column derivatization, we successfully isolated imidazole peptides and their… read more here.

Keywords: pre column; administration; administration opah; column derivatization ... See more keywords
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Liquid Chromatographic Determination of Biogenic Amines in Fish Based on Pyrene Sulfonyl Chloride Pre-Column Derivatization

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Published in 2020 at "Foods"

DOI: 10.3390/foods9050609

Abstract: Monitoring of biogenic amines in food is important for quality control, in terms of freshness evaluation and even more for food safety. A novel and cost-effective method was developed and validated for the determination of… read more here.

Keywords: pre column; column derivatization; determination; sulfonyl chloride ... See more keywords
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In-Needle Pre-Column Derivatization for Amino Acid Quantification (iPDAQ) Using HPLC

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Published in 2022 at "Metabolites"

DOI: 10.3390/metabo12090807

Abstract: Pre-column fluorescent derivatization has been used for the fast quantification of amino acids using high-performance liquid chromatography (HPLC) systems. However, it generally requires an offline in-vial derivatization process with multiple derivatization reagents. The offline derivatization… read more here.

Keywords: pre column; quantification; column derivatization; derivatization ... See more keywords
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HPLC Determination of Colistin in Human Urine Using Alkaline Mobile Phase Combined with Post-Column Derivatization: Validation Using Accuracy Profiles

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27113489

Abstract: In this study, the development, validation, and application of a new liquid chromatography post-column derivatization method for the determination of Colistin in human urine samples is demonstrated. Separation of Colistin was performed using a core–shell… read more here.

Keywords: column derivatization; column; colistin; post column ... See more keywords