Results 31 to 40 of about 9,758 (222)

QuEChER method for air microbiological monitoring in hospital environments

open access: yesThe Journal of Infection in Developing Countries, 2020
Introduction: Nosocomial pathogens have become a priority issue for public health, since they are responsible for increased morbidity and mortality in hospitalized patients and the development of multi-resistant microorganisms, as well. Recent studies found strong evidence that airborne transmission plays a key role in many nosocomial infections. Thus,
Tavera Busso, Iván   +5 more
openaire   +5 more sources

Methodenvalidierung zum Nachweis von Pestiziden in fetthaltigen Lebensmitteln nach QuEChERS mittels LC-MS/MS-Verfahren [PDF]

open access: yes, 2014
Die Arbeit befasst sich mit der Vslidierung einer analytischen Methode zur Bestimmung von Pflanzenschutzmittelrückständen in fetthaltigen Lebensmitteln. Dazu erfolgte die Anpassung der QuEChERS-Methode, welche zuvor bei dem SGS Institut Fresenius nur für
Mitschke, Vivien
core   +1 more source

Residue Analysis of Insecticides in Potatoes by QuEChERS-dSPE/UHPLC-PDA [PDF]

open access: yesFoods, 2020
Insecticides are broadly applied in agriculture to defend crops from illnesses and pest attacks, consequently guaranteeing high production. However, their residual deposits in food products are becoming a main concern with regard to human consumption. As such, sensitive analytical methods should be developed to assess, prevent and control insecticide ...
Reis, Débora   +3 more
openaire   +4 more sources

Application of QuEChERS for Determining Xenobiotics in Foods of Animal Origin [PDF]

open access: yesJournal of Analytical Methods in Chemistry, 2017
The use of pesticides and veterinary drugs results in the appearance of residues of xenobiotics in foods. Thus, several methods have been developed for monitoring them; however, most are tedious and expensive. By contrast, the QuEChERS (Quick, Easy, Cheap, Effective, Rugged, and Safe) methodology involves a microextraction that yields small samples and
Coralia V. Garcia, Ahmed Gotah
openaire   +3 more sources

Simultaneous Determination of 76 Veterinary Drugs and Their Metabolites in Pork by QuEChERS-Ultra High Performance Liquid Chromatography-Tandem Mass Spectrometry

open access: yesShipin gongye ke-ji, 2023
In order to improve the efficiency of the detection of multiple veterinary drug residues in pork, a method for the simultaneous determination of 5 types of 76 veterinary drugs and their metabolites residues in pork, including quinolones, sulfonamides ...
Yanlei WU   +4 more
doaj   +1 more source

Analysis of drugs in the earthworms using the QuEChERS method

open access: yes, 2023
The content of this Bachelor‘s thesis is an analysis of pharmaceuticals in earthworms using the QuECHERS method followed by the LC-MS/MS analysis. The theoretical part focuses on the specific groups of used drugs, their properties and applications ...
Navrkalová, Jitka
core   +1 more source

The Usefulness of MS3 to Confirm Poisoning on the Example of Dog Poisoning with Strychnine

open access: yesMolecules, 2019
Strychnine is an alkaloid with strong toxic properties. Poisoning results in muscular contractions and death through asphyxiation. Intentional or accidental poisonings with strychnine occur mainly in small animals, especially dogs and occasionally cats ...
Tomasz Śniegocki   +2 more
doaj   +1 more source

Determination of 10 Tetracycline Antibiotics in Fruit Products and Meat Sauce by QuEChERS with Ultra Performance Liquid Chromatography-Triple Quadrupole Tandem Mass Spectrometry

open access: yesShipin gongye ke-ji, 2023
A method for the determination of 10 tetracycline antibiotics in fruit products and meat sauce was established by QuEChERS coupled with ultra performance liquid chromatography-triple quadrupole tandem mass spectrometry (UPLC-MS/MS).
Yue GU   +5 more
doaj   +1 more source

Application of QuEChERS method for extraction of functional compounds [PDF]

open access: yesSN Applied Sciences, 2020
Barberry has valuable compounds with high functional properties such as berberine. In this study, the QuEChERS method was applied for the extraction of berberine, phenolic, and antioxidant compounds of B.integerrima stem and compared with the maceration method.
Mozhdeh Sarraf   +2 more
openaire   +1 more source

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