[PDF] Top 20 Ultrafast double-quantum NMR spectroscopy

... in ultrafast spectra is a complex and ongoing ...for ultrafast double-quantum NMR ...of ultrafast NMR, such as the quantitative analysis of complex mixtures, which can ... Voir le document complet

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

... RESULTS AND DISCUSSION Figure 1 depicts the pulse sequence proposed in this study. In contrast to HMQC-type experiments, where either SQ or DQ 14 N coherences are created via 14 N rf pulses acting on anti-phase ... Voir le document complet

... correlation peaks have a higher S/N RMS in the UF DQS and UF DQSSY spectra compared to the UF COSY spectrum, with the example of the alanine peak in the table. These results show that the behavior of spins during spatial ... Voir le document complet

... NMR imaging techniques were used to study the effect of drug loading in cross-linked high amylose starch tablets. The tablets contained acetaminophen with loading levels from 10 to 40 wt%. The absolute amount of ... Voir le document complet

... liquid-state NMR spectroscopy in biological samples: (1) the design of a micro-NMR diagnostic device for the analysis of human tumor samples, 68 and (2) the near complete liquid-state NMR ... Voir le document complet

... https://doi.org/10.1002/chem.201201944 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Solid-state (73) Ge NMR spectroscopy of simple ... Voir le document complet

... In conclusion, in situ NMR experiments have been performed on Electrochemical Double Layers Capacitors (supercapacitors). The experiments allow distinct ionic coordination sites to be identified and ... Voir le document complet

... Electrochemical Double Layer Capacitors (EDLCs or supercapacitors) have been devel- oped to meet this demand, due to their extremely rapid rates of charge and discharge, and their essentially unlimited cycle ... Voir le document complet

... traps and quantum optics were recently proposed with this purpose[18, 19]. Here we propose an original method to realize ultra- fast QND measurements of a qubit with large resonator linewidth and measurement ... Voir le document complet

... 41. Kivistö, S.; Hakulinen, T.; Kaskela, A.; Aitchison, B.; Brown, D. P.; Nasibulin, A. G.; Kauppinen, E. I.; Härkönen, A.; Okhotnikov, O. G. Carbon Nanotube Films for Ultrafast Broadband Technology. Opt. Express ... Voir le document complet

... In Chapter 1, we reminded briefly the basic concepts of THz-Time Domain Spectroscopy. In this Chapter 2, we present the THz-TDS system that we developed in the laboratory. We describe the laser source, the ... Voir le document complet

... The examination of coherent phonons in antimony has encompassed similar themes. Two studies in particular highlight important aspects of the coherence excitation process[r] ... Voir le document complet

... However, for a pristine single-layer graphene device, the optical absorption is relatively ABSTRACT We demonstrate wide-band ultrafast optical pulse generation at 1, 1.5, and 2 μm using a single-polymer composite ... Voir le document complet

... The geometrical ratio of the QD thickness to its diameter is as large as 10. Therefore, its properties should be similar to those of a quantum well. How- ever, the exciton state with a light hole becomes the ... Voir le document complet

... O NMR parameters together with exper- imental solution-state 27 Al and 13 C NMR spectroscopic data from the literature ( 27 Al: diso = ...Al NMR spectra for the same OTf–Al–oxalate sample (data not ... Voir le document complet

... by NMR to estimate the concentrations of various chemical functional groups that are potentially useful for synthetic modiications in using bio-oil as a chemical ... Voir le document complet

... In order to boost the signal obtained from each sub-spectrum, Hill and Yesinowski employed the quadrupolar Carr Purcell Meiboom Gill (QCPMG) protocol [79]. This is now a widely-used signal enhancement technique in ... Voir le document complet

... unchanged because V 33 is perpendicular to the flip axis, but Z Q is reduced to ca. 0.14 by an averaging of the two orientations of V 22 and V 11 . In order to extract an accurate measurement of the jump rate k for the ... Voir le document complet

... MAS NMR data from ISG-Cm only exhibit four coordinated Al atoms whereas around 4 and 2% (8 and 4%) of penta and hexa coordinated aluminum atoms were measured in Xe (Au, respectively) irradiated ISG glass 6,7 ... Voir le document complet