Top PDF Ultrafast double-quantum NMR spectroscopy
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 ...
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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 NMR enables the acquisition of 2D spectra within ...
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Double cross polarization for the indirect detection of nitrogen-14 nuclei in magic angle spinning NMR spectroscopy
... 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 ...
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Fast 2D NMR spectroscopy for complex mixtures
... 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 ...
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Study of the diffusion in polymer solutions and hydrogels by NMR spectroscopy and NMR imaging
... 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 ...
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High-resolution Magic-angle Spinning (HR-MAS) NMR Spectroscopy
... 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 ...
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Solid-state (73) Ge NMR spectroscopy of simple organogermanes
... 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 ...
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Real-Time NMR Studies of Electrochemical Double-Layer Capacitors
... 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 ...
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Real-Time NMR Studies of Electrochemical Double-Layer Capacitors
... 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 ...
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Ultrafast quantum nondemolition measurements based on a diamond-shaped artificial atom
... 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 ...
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Double-Wall Carbon Nanotubes for Wide-Band, Ultrafast Pulse Generation
... 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 ...
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Ultrafast Terahertz Spectroscopy and Nonlinear Optical Properties of Semiconductor Nanosstructures
... 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 ...
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Coherent lattice and molecular dynamics in ultrafast single-shot spectroscopy
... The examination of coherent phonons in antimony has encompassed similar themes. Two studies in particular highlight important aspects of the coherence excitation process[r] ...
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Double-Wall Carbon Nanotubes for Wide-Band, Ultrafast Pulse Generation
... 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 ...
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Polarization Spectroscopy of an Isolated Quantum Dot and an Isolated Quantum Wire
... 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 ...
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Solid-State 17O NMR Spectroscopy of Large Protein-Ligand Complexes
... 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 ...
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Potential of NMR spectroscopy in the characterization of nonconventional oils
... 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 ...
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Direct detection of nitrogen-14 in solid-state NMR spectroscopy
... 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 ...
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Ultra-wideline 14N NMR spectroscopy as a probe of molecular dynamics
... 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 ...
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Self-healing capacity of nuclear glass observed by NMR spectroscopy
... 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 ...
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