Two-electron chemical oxidation leads to a 3D globally aromatic cage with a C2 symmetry according to X-ray diffraction, NMR, electronic absorption spectra, and theoretical calculations. Detailed magnetic shielding response analysis along different axes reveal that all the possible five types of two-...
The present chapter is included in Part E with the other optical spectroscopy methods; however, the development of two-dimensional infrared (2D-IR) spectroscopy is strongly based on two-dimensional NMR, and it is easier to understand aft... IN Serdyuk,NR Zaccai,J Zaccai 被引量: 0发表: 2007...
This result has reinforced the robustness of continuous PTs in CM processes. Along with extensive studies on explosive percolation, a few models exhibiting DPTs in CM processes have been introduced. However, the patterns of DTP that they exhibit are not of the same type, which suggests that ...
and the magnitude of the applied magnetic field. The intensity of the NMR signal is proportional to the number of nuclei within each resonant frequency. This is plotted against the chemical shift which gives the resonant frequency with respect to a known reference, and has units of parts per ...
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Different hydrogen-bonded states ofOH groups in poly(vinyl alcohol) (PVA) films with different tactici- ties have been characterized by 1H combined rotation and multiple pulse spectroscopy (CRAMPS), solid-state 13C NMR and two-dimensional (2D) 1H-13C heteronuclear correlation (HETCOR) analyses....
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NMR spectroscopical information of [H 4Ru 4(CO) 8(PMe 2Ph) 4] suggests the presence of two isomers in solution which we propose to have D 2d and C s symmetries. The observation of the NMR properties gives some observations about conditions that favour coupling between substituents in ...
Comprehensive chemical profiling of gramineous plant root exudates using high-resolution NMR and MS. Phytochem. 57, 209–221 (2001). 17. Jiang, C. A. et al. Dissolution of different zinc salts and Zn uptake by Sedum alfredii and maize in mono- and co-cropping under hydroponic culture. ...
structure, backbone dynamics and aggregation state of rSLURP-2 in solution. The engineering of a bacterial expression system (see ref. 27 and Supplementary Fig. S1) allowed us to obtain a 13C-15N-labeled sample of rSLURP-2 and to study its spatial structure by heteronuclear NMR ...