We hypothesised that the inflammatory subtype in mild and moderate COPD can be assessed by exhaled breath metabolomics.
This is especially true at unfavourable solvent compositions, when only very small amounts of polymer dissolve. A central composite design was employed to optimize the THM derivatization conditions. Vyvíjíme nejmodernějších léčebné metody v oblastech psychiatrie, onkologie, hematologie, diabetologie, imunologie, infekční onemocnění. A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Only verified researchers can join ResearchGate and send messages to other members.
Alterations of Exhaled Breath Metabolite-mixtures in Two Rat Models of Lipopolysaccharide-induced Lung Injury. Walterovo náměstí 329/1
From early discovery to distribution, patient access and education, we continuously search for ways to deliver quality and value. The presence of high levels of surfactants is a major complication, due to the strong t... A novel strategy is described for designing optimal second dimension (2D) gradient conditions for a comprehensive two-dimensional liquid chromatography system where the two dimensions are not fully orthogonal. The watershed algorithm is the most common method used for peak detection and integration in two-dimensional chromatography.
The feasibility of a versatile system for multi-step direct thermal desorption (DTD) coupled to comprehensive gas chromatography (GC x GC) with time-of-flight mass spectrometric (TOF-MS) detection is studied. The linear solvent strength model was used to predict coverage in online comprehensive two-dimensional reversed-phase liquid chromatography. Zacharias Janssen (/ ˈ dʒ æ n s ən /); also Zacharias Jansen or Sacharias Jansen; 1585 – pre-1632) was a Dutch spectacle-maker who lived most of his life in Middelburg.He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20 years after his death) may be fabrications put forward by his son. It is highly uncertain whether volatile organic compounds (VOCs) in exhaled breath of critically ill intensive care unit patients are formed in the lung locally, in the air compartment or lung tissue, or elsewhere in the body and transported to the lung via the bloodstream. Fax: +420 227 012 333 Eur J Nutr 45, 165-170, Quantification of ACE inhibiting peptides in human plasma using high performance liquid chromatography-mass spectrometry, Comprehensive multi-dimensional chromatographic studies on the separation of saturated hydrocarbon ring structures in petrochemical samples, Flow regime at ambient outlet pressure and its influence in comprehensive two-dimensional gas chromatography, Novel system for classifying chromatographic applications, exemplified by comprehensive two-dimensional gas chromatography and multivariate analysis, Group-type characterisation of mineral oil samples by two-dimensional comprehensive normal-phase liquid chromatography–gas chromatography with time-of-flight mass spectrometric detection, MALDI-TOF-MS analysis of bacterial spores: Wet heat-treatment as a new releasing technique for biomarkers and the influence of different experimental parameters and microbiological handling, Thermotropic polymorphism of a nonphospholipid mixture: Lactylated fatty acid esters of glycerol and propylene glycol, New dimensions in edible oil and fat analysis, Molecular Surface Structures of Modified Silicas for Chromatography.
For more than 75 years, Janssen has been helping improve health around the world. Infections with non-tuberculous mycobacteria (NTM) are increasing, particularly among immune-compromised patients and those with damaged lungs. РУССКИЙ, Janssen-Cilag s.r.o. The... Asymmetric flow field flow fractionation (AsFlFFF) was combined with pyrolysis-gas chromatography mass spectrometry for a sized based fractionation and a detailed compositional study of the triglycerides and cholesterol associated with the various lipoprotein subclasses present in human serum. Recently we developed a 20-compound model to distinguish between MTB and NTM. serve as a reservoir of oxygen-containing species and hence can act as off-flavor precursors or as initiators for further On the other hand, it is nearly impossible for those at the forefront of technology to judge the implications of their efforts for all specific applications of chromatography. Detailed information on the composition of mixtures is crucial in many areas of modern life. Starting point for the calculations is a given second dimension ((2)D) separation and a desired peak capacity for the 2D system. To improve the understanding of oxidation reactions and methods for their inhibition, detailed information on the type and levels of the oxidation products... Flavonoids are a class of natural compounds with a broad range of potentially beneficial health properties.
Chromatographic techniques are one of the key techniques applied to answer questions on what is in a mixture and how much of each constituent is present. Data sets from samples analysed at different time points after an intervention are searched for compounds that show a meaningful trend following the intervention. Chromatography based methods have been used to tackle this epidemic by focusing on biomarker detection. Zinc pyrithione (ZnPT) is widely used as an anti-fungal active in commercial anti-dandruff (AD) shampoos.
[1][2] The company is expanding its activities in joint research projects within the framework of the Innovative Medicines Initiative of EFPIA and the European Commission. Objective: For model building and validation, an extensive set of samples was collected, consisting of 152 butter samples, 42 oils and 200 blends thereof. In the past two decades, a large number of 'modern' sample-preparation techniques has bee... Two-dimensional liquid chromatography (2D-LC) allows analysts to deal with complex samples that either cannot be adequately separated by one-dimensional liquid chromatography (1D-LC) or require excessively longanalysis times.
oxidation reactions. There is an urgent need for better diagnostic tools for TB especially for develop... An HPLC-ESI-MS/MS method using collision induced dissociation - multiple reaction monitoring was developed for the quantification of eight Hoodia gordonii steroid glycosides and their metabolites in porcine plasma samples.
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