Results 11 to 20 of about 7,287,909 (247)

Sodium Metabisulfite in Food and Biological Samples: A Rapid and Ultra-Sensitive Electrochemical Detection Method

open access: yesMicromachines, 2022
The primary benefit of using sulfites as a food additive is their antimicrobial and antioxidant properties, which stop fungi and bacteria from growing in a variety of foods.
Ruxandra-Maria Ilie-Mihai   +2 more
doaj   +1 more source

Sample Preparation Using Graphene-Oxide-Derived Nanomaterials for the Extraction of Metals

open access: yesMolecules, 2020
Graphene oxide is a compound with a form similar to graphene, composed of carbon atoms in a sp2 single-atom layer of a hybrid connection. Due to its significant surface area and its good mechanical and thermal stability, graphene oxide has a plethora of ...
Natalia Manousi   +3 more
doaj   +1 more source

Advances in Microfluidics Techniques for Rapid Detection of Pesticide Residues in Food

open access: yesFoods, 2023
Food safety is a significant issue that affects people worldwide and is tied to their lives and health. The issue of pesticide residues in food is just one of many issues related to food safety, which leave residues in crops and are transferred through ...
Zhuoao Jiang   +4 more
doaj   +1 more source

Preconcentration and detection of ultra trace Molybdenum in Water, Biological, Food and Soft drinking Samples by Dispersive Liquid-Liquid Microextraction method [PDF]

open access: yesشیمی کاربردی روز, 2023
A sensitive method to determine the ultra-trace amounts of molybdenum is developed by dispersive liquid–liquid microextraction. This method is based on the reaction of molybdenum with thiocyanate in acidic media (HCl) and at present of ascorbic acid to ...
Sepideh khazali, shahla elhami
doaj   +1 more source

Towards a Better Quantification of Cyanotoxins in Fruits and Vegetables: Validation and Application of an UHPLC-MS/MS-Based Method on Belgian Products

open access: yesSeparations, 2022
Vegetables and fruits can potentially accumulate cyanotoxins after water contaminated with cyanobacteria is used for irrigation. We developed and validated an analytical method to quantify eight microcystin congeners (MCs) and nodularin (NOD) using ultra
Wannes Hugo R. Van Hassel   +3 more
doaj   +1 more source

Development of a real-time multiplex PCR assay for the detection of multiple Salmonella serotypes in chicken samples. [PDF]

open access: yes, 2008
peer-reviewedBackground: A real-time multiplex PCR assay was developed for the detection of multiple Salmonella serotypes in chicken samples. Poultry-associated serotypes detected in the assay include Enteritidis, Gallinarum, Typhimurium, Kentucky and ...
Sheila McGuinness   +15 more
core   +1 more source

Covalent Organic Framework/Polyacrylonitrile Electrospun Nanofiber for Dispersive Solid-Phase Extraction of Trace Quinolones in Food Samples

open access: yesNanomaterials, 2022
The extraction of quinolone antibiotics (QAs) is crucial for the environment and human health. In this work, polyacrylonitrile (PAN)/covalent organic framework TpPa–1 nanofiber was prepared by an electrospinning technique and used as an adsorbent for ...
Jinghui Zhou   +6 more
doaj   +1 more source

Study of the Content of Heavy Metals in Foods in Bulgaria [PDF]

open access: yesJournal of Biomedical & Clinical Research, 2021
Food safety is a priority for the European Union (EU). EU food safety policy covers all sectors of the food chain. In recent years, numerous studies have been conducted in Bulgaria on contaminants in plant and animal foods as one of the priority areas of
Ivelina Drambozova
doaj   +3 more sources

Magnetic Solid-Phase Extraction of Organic Compounds Based on Graphene Oxide Nanocomposites

open access: yesMolecules, 2020
Graphene oxide (GO) is a chemical compound with a form similar to graphene that consists of one-atom-thick two-dimensional layers of sp2-bonded carbon. Graphene oxide exhibits high hydrophilicity and dispersibility.
Natalia Manousi   +4 more
doaj   +1 more source

Cholesteric Chiral Molecular Tweezer for Rapid Detection of F− in Food Samples

open access: yesMolecules, 2022
Chiral cholesteric molecular tweezer 7d was synthesized and its influences on changes in the ultraviolet (UV) and fluorescence spectra of various anions were investigated.
Zhe Liu   +4 more
doaj   +1 more source

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