Search results for "ToF"

L’applicazione dell’OCM ortofrutta (Reg. CE 2200/96) in Sicilia. In Bertazzoli A., Petriccione G. OCM ortofrutta e processi di adattamento delle orga…

2006

Valutazione della OCM ortofrutta (REG. 2200/96: la Sicilia. Il regolamento (Reg. CE 2200/96) avrebbe dovuto incentivare l'orientamento al mercato delle produzioni ortofrutticole fresche, i suoi effetti sono stati diversificati nelle diverse regioni italiane. Il caso siciliano evidenzia particolari carenze funzionali e limitata efficacia della norma.

Peroksīdu noteikšana organiskos šķīdinātājos ar eksprestestu metodi

2019

Peroksīdu noteikšana organiskos šķīdinātājos ar eksprestestu metodi. Dubure A., darba vadītājs Dr. chem., doc. Ģībietis J. Bakalaura darbs, 40 lappuses, 13 tabulas, 18 attēli, 23 literatūras avoti. Latviešu valodā. Darbā aprakstītas dažādas peroksīdu noteikšanas metodes. Veikta eksprestestu WaterWorks (ITS, ASV) ūdeņraža peroksīda un peroksietiķskābes teststrēmeļu kalibrēšana ūdens vidē un organiskos šķīdinātājos ar standartpiedevu metodi, lai noteiktu peroksīdu masas koncentrāciju analizējamajā paraugā. Mērījumos lietots reflektofotometrijas metode, izveidotas krāsu diagrammas ar reflektospektrofotometru AvaMouse Avantes. Pierādīta iespējamība ūdens kontroles eksprestestu „Water Works” (IT…

L’OCM ortofrutta e l’agrumicoltura

2010

Criteri di selezione dei pazienti affetti da OSAS da sottoporre a palatofaringoplastica

2009

Uvulopalatofaringoplastica associata a tonsillectomia nel trattamento dell'OSAS severa

2009

Assessment of Human Exposure to Deoxynivalenol, Ochratoxin A, Zearalenone and Their Metabolites Biomarker in Urine Samples Using LC-ESI-qTOF.

2021

Human are exposed to a wide range of mycotoxins through dietary food intake, including processed food. Even most of the mycotoxin exposure assessment studies are based on analysis of foodstuffs, and evaluation of dietary intake through food consumption patterns and human biomonitoring methods are rising as a reliable alternative to approach the individual exposures, overcoming the limitations of the indirect dietary assessment. In this study, human urine samples were analyzed, seeking the presence of deoxynivalenol (DON), ochratoxin A (OTA), zearalenone (ZEA), and their metabolites. For this purpose, 40 urine samples from female and male adult residents in the city of Valencia (Spain) were …

Mycotoxins in herbal teas marketed in Latvia and dietary exposure assessment

2019

The occurrence of 12 mycotoxins has been analysed by liquid chromatography - time of flight mass spectrometry in the batch of 60 herbal teas purchased from drugstores in Latvia. Among the dry tea samples, 90% were positive for one to eight mycotoxins. Enniatin B and deoxynivalenol (DON) were the most frequently detected mycotoxins in 55% and 45% of the samples, respectively. DON reached the highest level, from 129 µg kg-1 in herbal blend to 5,463 µg kg-1 in wormwood tea. Ochratoxin A (OTA) and aflatoxin B1 (AFB1) were found in 10% and 20% of the samples at the concentrations ranged between 2.99-30.3 µg kg-1 and 3.40-23.7 µg kg-1. Studies of the tea infusion process indicated that 32-100% of…

Determination of multiple mycotoxins in feedstuffs by combined use of UPLC–MS/MS and UPLC–QTOF–MS

2018

In this report, a UPLC-ESI-MS/MS method for the simultaneous determination of aflatoxins, ochratoxin A, zearalenone, deoxynivalenol, fumonisins, T-2 and HT-2 toxins, fusarenone X, diacetoxyscirpenol, and 3- and 15-acetyldeoxynivalenol in feedstuffs was developed. A quadrupole-time-of-flight mass spectrometer detector (QTOF-MS) operating in full scan mode was combined with the UPLC-ESI-MS/MS system to confirm the identity of detected mycotoxins and to identify other possible microbial metabolites occurring in samples. Sixty-two feed samples from the Spanish market were analyzed. Extraction of metabolites was carried out with acetonitrile-water-formic acid (80:19:1, v/v/v). Method detection a…

Occurrence of Free and Conjugated Mycotoxins in Aromatic and Medicinal Plants and Dietary Exposure Assessment in the Moroccan Population.

2021

Aromatic and medicinal plants (AMPs), as herbal material, are subjected to contamination by various mycotoxin-producing fungi, either free and conjugated. Such a problem is associated with poor storage practices, and lack of adopting good agricultural practices and good harvesting practices. Nevertheless, AMPs are poorly investigated. The purpose of this study was to investigate the co-occurrence of 15 mycotoxins (four aflatoxins (AFB1, AFB2, AFG1, and AFG2), ochratoxin A (OTA), beauvericin (BEA), four enniatins (ENA, ENA1, ENB, and ENB1), zearalenone (ZEN), alternariol (AOH), tentoxin (TENT), T-2, and HT-2 toxins) in 40 samples of AMPs frequently consumed in Morocco by using liquid chromat…

Validation of monocyte distribution width decisional cutoff for sepsis detection in the acute setting

2021

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