Search for dissertations about: "desorption electrospray ionization"
Showing result 1 - 5 of 27 swedish dissertations containing the words desorption electrospray ionization.
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1. Applications of nanospray desorption electrospray ionization mass spectrometry : In situ lipid and metabolite analysis from cells to tissue
Abstract : Ambient mass spectrometry (MS) has proved to be an important addition to the bioanalytical toolbox. These methods perform analyte sampling and ionization under atmospheric pressure, and require very little sample preparation other than the sampling process in front of the machine. READ MORE
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2. Applications of nanospray desorption electrospray ionization mass spectrome : Analysis of lipids and metabolites in brain tissue sections and single cells
Abstract : .... READ MORE
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3. Electrophoretic focusing in microchannels combined with mass spectrometry : Applications on amyloid beta peptides
Abstract : Analysis of low-abundance components in small samples remains a challenge within bioanalytical chemistry, and new techniques for sample pretreatments followed by sensitive and informative detection are required. In this thesis, procedures for preconcentration and separation of proteins and peptides in open microchannels fabricated on silicon microchips are presented. READ MORE
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4. New Materials and Improved Ambient Techniques in Mass Spectrometry
Abstract : Mass spectrometry (MS) is used in several fields, e.g. biology, environmental monitoring, medicine and forensics due to excellent qualitative and quantitative capabilities. The development of new instrumental setups and ionization sources is crucial to analyze a variety of compounds at trace levels. READ MORE
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5. Novel strategies to increase throughput and differentiate lipid isomers in mass spectrometry imaging : Development of computational tools and complex mass spectrometric methods for nanospray desorption electrospray ionization
Abstract : In this thesis, method development for improved analyte identification and throughput in mass spectrometry imaging (MSI) is discussed. In MSI, the spatial distribution of analytes from a sample is determined and visualized, information about the detected molecules interaction within the sample can thereby the deduced. READ MORE