Nuclear magnetic resonance (NMR) spectroscopy
Monitoring hydration in lime-metakaolin composites using electrochemical impedance spectroscopy and nuclear magnetic resonance spectroscopy
... thermo gravimetry, differential thermal analyses (TG/DTA) and X ray diffraction analysis (XRD; Frias et al., 2013). Most recently, however, an insight into the hydraulic reaction between air lime and MK was provided by ...
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Analysis of Water in the Chicken Eggshell Using the 1H Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
... Spinning Nuclear Magnetic Resonance spectroscopy) allows differentiating the different types of water present in the human ...The magnetic spin properties of the nuclei are very ...
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Biomarker profiling by nuclear magnetic resonance spectroscopy for the prediction of all-cause mortality: an observational study of 17,345 persons.
... as nuclear magnetic resonance (NMR) spectros- copy and mass spectrometry, have emerged as promising tools for identifying biomarkers and clarifying disease etiologies ...NMR spectroscopy in a ...
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Deconvoluting Protein (Un)folding Structural Ensembles Using X-Ray Scattering, Nuclear Magnetic Resonance Spectroscopy and Molecular Dynamics Simulation.
... The folding and unfolding of protein domains is an apparently cooperative process, but tran- sient intermediates have been detected in some cases. Such (un)folding intermediates are challenging to investigate ...
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Monomeric states of the beta-amyloid peptide investigated under high pressure by nuclear magnetic resonance spectroscopy
... the resonance condition is fulfilled and a spin transition takes ...the resonance to occur. In practical applications, the resonance frequency is in the megahertz (MHz) radio frequency (RF) ...the ...
202
Determination of the Hydroxy and Carboxylic Acid Groups in Natural Complex Mixtures of Hydroxy Fatty Acids by (1)H Nuclear Magnetic Resonance Spectroscopy
... The use of trichloroacetyl isocyanate (TAI) to mark both hydroxyl and carboxyl groups borne by the hydrolysis or methanolysis of suberin fragments (a complex mixture of hydroxy fatty acids), allowed the quantitative ...
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Application of nuclear magnetic resonance spectroscopy and vibrational spectroscopy for the characterisation of fruit products and beverages
... Two relaxation processes may be distinguished: the recovery of magnetisation along the z-axis, termed longitudinal or spin- lattice relaxation, which involves energy transfer between the spins and the surroundings ...
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13C Nuclear Magnetic Resonance spectroscopy in the studies of biosythetic routes of natural products.
... mais aumentadas devido ao efeito NOE (“Nuclear Overhauser Enhancement”). Como este aumento é proporcional ao número de hidrogênios ligados diretamente, os diferentes carbonos da molé- cula sofrerão diferentes ...
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A new approach for heparin standardization: combination of scanning UV spectroscopy, nuclear magnetic resonance and principal component analysis.
... The year 2007 was marked by widespread adverse clinical responses to heparin use, leading to a global recall of potentially affected heparin batches in 2008. Several analytical methods have since been developed to detect ...
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Local anesthetics: interaction with human erythrocyte membranes as studied by 1H and 31P nuclear magnetic resonance.
... NUCLEAR MAGNETIC RESONANCE. The literature carries many theories about the mechanism of action of local anesthetics (LA). We can highlight those focusing the direct effect of LA on the sodium channel ...
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In vivo mitochondrial function in HIV-infected persons treated with contemporary anti-retroviral therapy: a magnetic resonance spectroscopy study.
... Percutaneous lower limb skeletal muscle biopsies were per- formed under local anesthesia and snap-frozen in the liquid phase of isopentane, cooled in liquid nitrogen within 20 minutes of collection. Sequential COX-SDH ...
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Phosphorus analysis in soil under herbaceous perennial leguminous cover by nuclear magnetic spectroscopy
... No relevant differences in P contents were observed with litter being present or not on the soil plots. Nevertheless, it was possible to observe major differences in the distribution of various P forms for the different ...
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3T magnetic resonance spectroscopy as a powerful diagnostic modality for assessment of thyroid nodules
... conclusion, magnetic resonance spectroscopy is a feasible option with promising results and it provided 100% specificity and 100% PPV in discrimination of benign from malignant thyroid ...
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Magnetic Resonance Imaging and Gynecological Devices
... so-called magnetic suscepti- bility artifact. The magnetic susceptibility of a tissue showcases its capability to acquire self-magnetization when submitted to a magnetic ...positive magnetic ...
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Magnetic resonance in diagnosis of ureterocele
... Ultrasonography is the main non-invasive technique for screening of ureterocele, but pre- sents some difficulties for its diagnosis. Other supplementary diagnostic methods have the disadvan- tage of being invasive or ...
3
Reproducibility of magnetic resonance perfusion imaging.
... Paradoxically, instead of reducing perfusion, these therapies can result in the ‘‘normalization’’ of vessels and improved perfusion [9]. This is important as it can increase the efficacy of subsequent radiation or drug ...
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Proton magnetic resonance spectroscopy reveals neuroprotection by oral minocycline in a nonhuman primate model of accelerated NeuroAIDS.
... H magnetic resonance spectroscopy ( 1 H MRS) to assess the effects of minocycline on the brain injury produced by lentiviral infection in an accelerated macaque model of ...
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Proton magnetic resonance spectroscopy ((1)H-MRS) reveals geniculocalcarine and striate area degeneration in primary glaucoma.
... neously were post processed using the scanner software ‘‘Funct- Tool’’. Four types of pictures: chemical shift image (CSI), spectral image (SI), metabolic image (MI) and metabolic-anatomical diagram integration image ...
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Metabolic changes in the visual cortex of binocular blindness macaque monkeys: a proton magnetic resonance spectroscopy study.
... Spectra analysis was performed on a Siemens MR post- processing work station (Siemens–Magnetom, Verio, 3.0T MR, Germany). Five experienced operators performed all MRS post-processing independently. Resonance peaks ...
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