منابع مشابه
Ab initio spectroscopy of D 2 H Q near dissociation
Extensive calculations for the vibrational band origins of D2H þ up to dissociation are presented. Due to the high density of vibrational states near dissociation, huge basis sets needed to be used as well as massively parallel computers. We have found 1209 A1 and 1078 B1 bound states, some of which display long-range features, which are analysed in detail. The calculations were performed withi...
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We report adhalin deficiency in 8 patients with clinically diagnosed muscular dystrophy, dystrophic histopathological features, high plasma creatine kinase levels, normal expression of dystrophin, and marked variability of symptoms. Although the distribution of hyposthenia was similar in all 8 patients and predominantly involved muscles in the pelvic girdle, age at onset and rate of disease pro...
متن کاملSpectroscopy of D Mesons
The scenario of heavy quark meson spectroscopy underwent recently a major revolution, after the observation of BABAR and CLEO, confirmed by BELLE, of DsJ L=1 excited states, and by further evidences by SELEX. These experimental results have cast doubts on the incarnations of the ideas of Heavy Quark Effective Theory in heavy quark spectroscopy. I shall review the status of experimental data, di...
متن کاملObservation of the keto tautomer of D-fructose in D(2)O using (1)H NMR spectroscopy.
D-Fructose was analysed by NMR spectroscopy and previously unidentified (1)H NMR resonances were assigned to the keto and α-pyranose tautomers. The full assignment of shifts for the various fructose tautomers enabled the use of (1)H NMR spectroscopy in studies of the mutarotation (5-25°C) and tautomeric composition at equilibrium (5-50°C). The mutarotation of β-pyranose to furanose tautomers in...
متن کاملConvenient detection of the thiol functional group using H/D isotope sensitive Raman spectroscopy.
Raman spectra of several thiols (amino acids, peptides and organic) show that the C-S-H bending mode (βCSH) shifts from ∼850 cm(-1) to ∼620 cm(-1) on deuteration of the thiol proton by simply dissolving them in D2O and CD3OD where detection by (1)H NMR is not possible. A nondestructive analytical tool for the detection of thiols in solid/neat and in solution is developed.
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ژورنال
عنوان ژورنال: Journal of Chemical Education
سال: 1967
ISSN: 0021-9584,1938-1328
DOI: 10.1021/ed044pa551.3