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Development of a human insulin certified reference material with SI-traceable purity
A human insulin (hINS) certified reference material (CRM) was developed by the National Institute of Metrology (NIM). Three milligrams of purified...
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Dispersive Liquid–Liquid Microextraction of Organic Compounds: An Overview of Reviews
AbstractDispersive liquid–liquid microextraction (DLLME) is one of the most promising methods of the microextraction preconcentration of organic...
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Preparation of magnetic graphene nanocomposite based on metallic iron and its application in the extraction and preconcentration of some pesticides from fruit juice, river water, and wastewater samples
A dispersive solid-phase extraction method using a synthesized magnetic graphene nanosorbent followed by dispersive liquid–liquid microextraction has...
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Weighted gene co-expression network analysis unveils gene networks regulating folate biosynthesis in maize endosperm
Folates are essential elements for human growth and development, and their deficiency can lead to serious disorders. Waxy maize is a rich source of...
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Comparison Between HPLC-PAD and GC-MS Methods for the Quantification of Cholesterol in Meat
In the present study, two chromatographic methods based on direct saponification and n-hexane extraction were validated for the cholesterol...
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Purification and Chromatographic Analyses of Cyclopentadienone Guaianolides from Artemisia leucodes Schrenk
Five cyclopentadienone sesquiterpene lactones: austricin, 5β(H)-austricin, achillin, grossmisin and leucomisin were obtained from the plant Artemisia...
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Validation of an Enhanced Swift Analytical Method for the Determination of Bound and Free 3-chloropropane-1,2-Diol in Foodstuffs using Gas Chromatography–Tandem Mass Spectrometry
AbstractAn enhanced swift indirect method for the determination of both free and bound 3-monochloropropane-1,2-diol has been established. The...
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Chemical-Biology and Metabolomics Studies in Phage-Host Interactions
For many years, several studies have explored the molecular mechanisms involved in the infection of bacteria by their specific phages to understand...
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Selected Microextraction Techniques Using Ionic Liquids in the Study of Biologically Active Compounds
Monitoring the compounds found in biological and environmental samples at low concentration levels is not an easy task. The main analytical problems...
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Selected Microextraction Techniques Using Ionic Liquids in the Study of Biologically Active Compounds
Monitoring the compounds found in biological and environmental samples at low concentration levels is not an easy task. The main analytical problems...
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Phytochemical-Based Evidence of the Health Benefits of Bidens Pilosa Extracts and Cytotoxicity
PurposeBidens pilosa L. is traditionally used as a flavouring agent in foods, in the treatment of diseases, in agriculture as a biopesticide and...
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The content and profile of biologically active compounds present in individual parts of nasturtium (Tropaeolum majus L.): comprehensive study
The nasturtium ( Tropaeolum majus L.) contains many biologically active compounds with very promising effects on human health. Our attention was paid...
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Modified QuEChERS Method for Multiresidue Determination of Pesticides in Pecan Nuts by Liquid Chromatography Tandem Mass Spectrometry
Pecan nut is a crop of growing economic importance with a worldwide production around 124,000 tons during the 2017/2018 harvest. Thus, a simple and...
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Carbohydrate determination in honey samples by ion chromatography–mass spectrometry (HPAEC-MS)
Honey is a complex mixture of carbohydrates, in which the monosaccharides glucose and fructose are the most abundant compounds. Currently, more than...
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Multiresidue Determination of Pesticides in Potato Tuber, Peel, and Pulp by QuEChERS and UHPLC-MS/MS
Pesticides have been widely used to control pests and weeds during food production or storage, but when used incorrectly, they can cause damage to...
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Portable wireless electrochemical sensing of breviscapine using core–shell ZIFs-derived Co nanoparticles embedded in N-doped carbon nanotube polyhedra-modified electrode
A core–shell ZIF-67@ZIF-8-derived Co nanoparticles embedded in N-doped carbon nanotube polyhedra (Co/C-NCNP) hybrid nanostructure was prepared by a...
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A High-throughput Novel Approach for the Determination of Cresols in Wastewater Based on Stir Bar Sorptive Extraction Along with Thermal Desorption GC-MS/MS
AbstractIn this study, stir bar sorptive extraction as an easy to use, solventless, and novel sample enrichment technique combined with thermal...
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Engineering the electronic and geometric structure of VOx/BN@TiO2 heterostructure for efficient aerobic oxidative desulfurization
Particle size governs the electronic and geometric structure of metal nanoparticles (NPs), sha** their catalytic performances in heterogeneous...
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Comparison of data processing strategies using commercial vs. open-source software in GC-Orbitrap-HRMS untargeted metabolomics analysis for food authentication: thyme geographical differentiation and marker identification as a case study
Untargeted analysis of gas chromatography–high-resolution mass spectrometry (GC-HRMS) data is a key and time-consuming challenge for identifying...
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Analysis of Emerging Contaminants in Surface Water, Aquaculture Ponds and Wastewater Treatment Facilities in the Taige Canal Basin
Emerging contaminants(ECs) have aroused great concerns due to their widespread presence as well as their potential health and ecological risks....
