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Determination of the Glyphosate Content in Liquid and Dry Formulations by HPLC-UV: Pre-column Derivation with 9-Fluorenylmethyl Chloroformate (FMOC)
Monitoring the glyphosate content of glyphosate-based herbicides requires simple, inexpensive and accessible analytical methods. The objective of...
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Optimization and Validation in Liquid Chromatography Using Design of Experiments
Faced to the large number of potential factors in liquid chromatography, the analyst is often led to determine through his experience the parameters...
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Analytical Strategies and Applications in Lipidomics
Lipidomics is a field of study aiming at a comprehensive analysis of a set of lipids in biological systems. This includes both quantitative and...
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Analytical Strategies and Applications in Lipidomics
Lipidomics is a field of study aiming at a comprehensive analysis of a set of lipids in biological systems. This includes both quantitative and...
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Chromatographic and spectroscopic study of impurities present in thebaine obtained from Papaver bracteatum Lindl.
Thebaine is an important opiate alkaloid derived from opium that can be converted into various pharmaceutical compounds. However, only a few studies...
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Influence of Synthesis Conditions on the Performance of Palladium–Copper Ethanol-to-Butanol Conversion Catalysts
AbstractThe influence of the synthesis conditions on the performance of Pd–Cu ethanol-to-butanol conversion catalysts was studied. The optimum...
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Molecularly imprinted dispersive micro solid-phase extraction and tandem derivatization for the determination of histamine in fermented wines
Histamine causes allergic reactions and can serve as an indicator for assessing food quality. This study designed and developed a dispersive micro...
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Gas Chromatography–Mass Spectrometry Combined with Successive Dilution for the Determination of Preservatives in Pharmaceuticals
AbstractSome aspects of sample pretreatment and instrumental approaches for the quantification of sorbic acid ( SA ), benzoic acid ( BA ), methylparaben...
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Establishing performance metrics for quantitative non-targeted analysis: a demonstration using per- and polyfluoroalkyl substances
Non-targeted analysis (NTA) is an increasingly popular technique for characterizing undefined chemical analytes. Generating quantitative NTA (qNTA)...
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Identification of Intentionally and Non-intentionally Added Substances in Recycled Plastic Packaging Materials
Intentionally added substances (IAS) and non-intentionally added substances (NIAS) play an important role in food contact materials. Even though food...
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Rapid Identification and Determination of N-Nitrosamines in Food Products by Ultra-High-Performance Liquid Chromatography–High Resolution Quadrupole-Time-of-Flight Mass Spectrometry by Exact Masses of Protonated Molecules
AbstractA method is proposed for the rapid identification and determination of seven N -nitrosamines in food products by ultra-high-performance...
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Total and Reducing Sugars: Traditional and Advanced Methods
In the wine industry, the analysis of sugars in grapes, grape must, alcoholic fermentation, and final product are relevant information in the...
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Assessment of the Effect of Age, Renal Function Status, and M-Cholinoblocker Biperidene Intake on Free Plasma Choline Concentrations
AbstractThe use of high-performance liquid chromatography in combination with tandem mass spectrometry (HPLC-MS/MS) provides a selective...
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Automated and fast online method for simultaneously determining a broad spectrum of per- and polyfluoroalkyl substances in a small volume of cerebrospinal fluid
Per- and polyfluoroalkyl substances (PFASs) are potentially neurotoxic compounds. Levels of PFASs in cerebrospinal fluid (CSF) could directly reflect...
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Determination of 2-Monochloropropane-1,3-Diol Esters (2-MCPDE), 3-Monochloropropane-1,2-Diol Esters (3-MCPDE) and Glycidyl Esters (GE) in Marine Oil-Based Supplement by Acid Transesterification Via Gas Chromatography Coupled to Mass Spectrometry (GC-MS)
Fish and algae oil can be commercialized as food supplement capsules and consumed daily due to their health-beneficial compounds as fatty acids and...
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Trends and challenges in analytical chemistry for multi-analysis of illicit drugs employing wastewater-based epidemiology
Wastewater-based epidemiology (WBE) for quantification of illicit drug biomarkers (IDBs) in wastewater samples is an effective tool that can provide...
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Biogenic Amines
The control and determination of biogenic amines in different kinds of foods in particular in meat products is important to assure their safety and...
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Dispersive magnetic solid-phase extraction for capsaicinoid compounds in human serum using LC-HRMS: targeted and non-targeted approaches
A new analytical method based on the use of dispersive magnetic solid-phase extraction (DMSPE) is described for the preconcentration of capsaicin...
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Case Studies and Application of Different Novel Extraction Methods
This chapter focuses on the case studies of the bioactive compounds that is defining the promising pathway of compounds that can be used as...
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A Review of Portable High-Performance Liquid Chromatography: the Future of the Field?
There is a growing need for chemical analyses to be performed in the field, at the point of need. Tools and techniques often found in analytical...
