Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 6 of 6 for “"1H nuclear magnetic resonance spectroscopy"”.
-
Some Aspects of the Chemistry and Petrology of Coking Coals
… to vary with rank and also with petrography. 1H nuclear magnetic resonance spectroscopy confirmed the identity of many of the structures indicated by gas chromatography/mass spectrometry of the initial pyridine soluble material. Significant amounts of high molecular weight material present in …
-
Investigations of Iron–Nitrogen Bonding at Synthetic Iron–Sulfur Clusters
… of this redox series using variable-temperature 1H nuclear magnetic resonance spectroscopy reveals that oxidation events are primarily centered at the imido fragment, which takes on an iminyl ([NAr]•−) or triplet nitrene ([NAr]2•) configuration depending on the charge state of the molecule. …
-
Metabolic Profiling of Genetically Modified Potato Periderm Tissues
… gas-chromatography mass-spectrometry (GC-MS) and 1H nuclear magnetic resonance spectroscopy (NMR). The solid interface was analyzed by solid-state NMR. FHT deficiency induced significant changes in the metabolite pool of both polar and non-polar extracts from native periderms. In particular, FHT …
-
Modelling and validation of bacterial O-antigen conformations: ring puckering in Shigella flexneri 7a and 7b O-antigens as a case study
… especially when experimental methods, such as nuclear magnetic resonance, are used for verification of modelling results. Here we use a combination of molecular modelling and 1H nuclear magnetic resonance spectroscopy experiments to probe the O-antigen conformations of S. flexneri 7a and 7b. …
-
COMPARATIVE EVALUATION OF 1H NMR SPECTROSCOPY AS A NOVEL TOOL FOR ASSESSING STRESS WITH TRADITIONAL METHODS OF BLOOD CORTICOSTERONE LEVELS AND HETEROPHIL LYMPHOCYTE RATIO IN BROILER CHICKENS (GALLUS DOMESTICUS)
… and animal welfare in the poultry industry. 1H Nuclear Magnetic Resonance spectroscopy (NMR) may provide insightful mechanistic information on effects of stressors by simultaneously measuring a large number of low molecular weight endogenous metabolites that may potentially be used as …
-
A metabolomics investigation of in utero antiretroviral exposure to neonates
… describes the use of an untargeted metabolomics [1H nuclear magnetic resonance (NMR) spectrometry] to analyse cord blood from HIV-ART exposed and unexposed neonates, as well as serum from healthy infants. Decreased levels of 3-hydroxybutyrate and alarming increase in hypoxanthine, indicators of …