Nuclear magnetic resonance spectroscopy (NMR)
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 ...
6
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 ...
14
Biomarker profiling by nuclear magnetic resonance spectroscopy for the prediction of all-cause mortality: an observational study of 17,345 persons.
... NMR spectroscopy is limited compared to that afforded by mass spectrometry, which holds further promise for risk assessment and elucidation of disease pathways ...
12
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 ...
9
A new approach for heparin standardization: combination of scanning UV spectroscopy, nuclear magnetic resonance and principal component analysis.
... UV spectroscopy is also highly sensitive to the electronic transitions that occur within protein and aromatic impurities; an example of the latter are the signals present on the UV and 1 H NMR spectra of the ...
9
Sphingolipids of the mycopathogen Sporothrix schenckii: identification of a glycosylinositol phosphorylceramide with novel core GlcNH(2)alpha 1 -> 2Ins motif
... NMR, nuclear magnetic resonance; COSY, correla- tion spectroscopy ; TOCSY, total correlation spectroscopy; NOESY, nuclear Overhauser e¡ect spectroscopy; HPLC, high ...
7
Brain Energy Metabolism in Chronic Hepatic Encephalopathy: an in vivo and longitudinal Magnetic Resonance Spectroscopy study on a rat model of Biliary Cirrhosis
... the nuclear moments almost random in the magnetic field with increased tendency for the lower energy ...individual nuclear magnetic moments, named macroscopic magnetisation, which is aligned ...
90
J. Braz. Chem. Soc. vol.28 número5
... 2D nuclear magnetic resonance (NMR) and infrared spectroscopy together with high resolution electrospray ionization and atmospheric pressure chemical ionization mass ...
8
Mycoleptones A−C and polyketides from the endophytem indicus
... by nuclear magnetic resonance (NMR) spectroscopy, high- resolution mass spectrometry (HRMS), electronic circular dichroism (ECD) spectroscopy, time-dependent density func- tional theory ...
9
Characterization of phosphate structures in biochar from swine bones
... state nuclear magnetic resonance spectroscopy, principal component analysis, and multivariate curve resolution analysis, on four pyrolyzed samples at different carbonization ...
5
Preparing the biodieselLCO blends
... The goal of the present study was to determine the potential use of thermal analysis for the measurement of the light crude oil (LCO) content of standard biodiesel mixtures. Standard samples of biodiesel/LCO blends were ...
5
J. Braz. Chem. Soc. vol.24 número4
... state nuclear magnetic resonance (ssNMR), Fourier-transformed infrared spectroscopy (FTIR), differential scanning calorimetry (DSC) and thermo-optical analysis (TOA) were used to study ...
7
J. Braz. Chem. Soc. vol.23 número11
... infrared spectroscopy, mass spectrometry, one- and two-dimensional nuclear magnetic resonance, along with comparison with spectral data described in the ...
6
Isolation and Structural Determination of an Anti Bacterial Constituent from the Leaves of Cassia alata Linn.
... IR spectroscopy, mass spectroscopy and nuclear magnetic resonance data suggested that the active compound was chemically 3,4 dihydroxy cinnamic ...
8
J. Braz. Chem. Soc. vol.10 número4
... have observed NMR signals from protons, fluorine, and hyperpolarized 129 Xe. In particular, proton NMR signals have been measured from samples in thermal equilibrium at room temperature and in a magnetic field ...
6
Arq. NeuroPsiquiatr. vol.74 número2
... patients. Magnetic resonance spectroscopy (MRS) ist an important tool in the investigation of these broader and subtle changes that are missed by structural MRI ...the magnetic properties of ...
2
Int. braz j urol. vol.33 número5
... magnetic resonance spectroscopic imaging, can lead to high sensitivity and specificity for peripheral zone tumor localization. DWI is a technique of imaging prostate cancer based on the fact that cancer ...
3
1H/31P polarization transfer at 9.4 Tesla for improved specificity of detecting phosphomonoesters and phosphodiesters in breast tumor models.
... (PCr) resonance was set to 0 ppm, and line widths of PE, PC, GPE, and GPC were constrained to that of PCr during fitting ...the resonance positions of PC and PE, and GPC and GPE were fixed to 100 Hz in PA ...
11
Rev. Hosp. Clin. vol.59 número3
... 31. Bustillo JR, Lauriello J, Rowland LM, Thomson LM, Petropoulos H, Hammond R, et al. Longitudinal follow-up of neurochemical changes during the first year of antipsychotic treatment in schizophrenia patients with ...
8