[PDF] Top 20 Ultrafast double-quantum NMR spectroscopy with optimized sensitivity for the analysis of mixtures

... Ultrafast double-quantum NMR spectroscopy with optimized sensitivity for the analysis of mixtures ...a,d Ultrafast (UF) 2D ... Voir le document complet

... speaking, NMR spectroscopy possesses a low sensitivity due to the small fraction of nuclear spins that are ...increase sensitivity consist in increasing the sample ... Voir le document complet

... Among the most intriguing and challenging samples presented to the analyst, mixtures of molecules are of broad interest to many fields of ...alteration of the ... Voir le document complet

... non-sequential double ionization of atoms has been extensively studied since its discovery in the early 1980s ...to the so-called rescattering model which gives a unified picture of ... Voir le document complet

... interacting with them, as first shown for the case of Ne atoms [ 118 ] , with the notable exception of alkali [ 96 ] and some alkaline-earth [ 119 ] ...together ... Voir le document complet

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ... Voir le document complet

... extract the TLL exponent K from the divergence of T 1 −1 with T ...advances for quasi-1d systems, we can envision trying to simulate imaginary-time dynamics using quantum ... Voir le document complet

... discuss the model of multinomial mixture studied along the ...show the local asymptotic mixed normality. Section 4 is devoted to the results for the maximum likelihood ... Voir le document complet

... Signal amplification by reversible exchange (SABRE) is a promlslng hyperpolarization method using parahydrogen to enhance the sensitivity of NMR experiments. However, [r] ... Voir le document complet

... methods for mixtures of small molecules requires specificity (is a certain molecule present in the mix?) and speciation ...capabilities. NMR has been a tool of choice for ... Voir le document complet

... rank the inputs by order influence on the ...sample of inputs/output and rely on the estimation of a p-value under independence ...deal with simulation samples of smaller ... Voir le document complet

... cycle The tricarboxylic acid (TCA) cycle is of central importance for many biochemical pathways, including ATP synthesis via oxidative phosphorylation, and synthesis of amino acids such as ... Voir le document complet

... from the methanol resonance and MSA refers to methane sulfonic acid. The signals of interest are severely overlapped by the huge methanol signal at ...on the same mixture obtained ... Voir le document complet

... in the tablets over time. For comparison purposes, the fitting was performed on two stages, yielding the “initial” average diffusion coefficient ( D 0 ) using initial dimension of ... Voir le document complet

... and of artifacts ...method for acquiring real time pure shift 1 H spectra. 3 In this approach, the Zangger–Sterk element is implemented in a windowed acquisition scheme to perform instant homonuclear ... Voir le document complet

... global sensitivity analysis 1 INTRODUCTION Today, in different environments, there are sites with groundwater contaminated because of an inappropriate handling or disposal of hazardous ... Voir le document complet

... The differences in Ms/Mo seen between soluble and insoluble suspensions and among various types of cartilage with similar collagen content suggest that structural di[r] ... Voir le document complet

... underlying the acquisition of pure shift and J-edited NMR spectra, which are some of the most significant methodological developments introduced in the field of high- ... Voir le document complet

... archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...not. The documents may come from teaching and research institutions in France ... Voir le document complet

... reformulate the problem such that it can be treated as independent random ...from the PC coefficients. To illustrate the applicability of the proposed approach, one academic example ... Voir le document complet