C-Nuclear Magnetic Resonance Spectroscopy

Fennell TR, Sumner SC, Held SD, et al. 1990. Dection of urinary metabolites of [1,2,3- 13C] acrylonitrile in the rat and mouse detected by C nuclear magnetic resonance spectroscopy. CUT, Research Triangle Park, NC. 

Winter, S.M., Weber, G.L., Gooley, PR., Mackenzie, N.E. Sipes, l.G. (1992) Identification and comparison of the urinary metabolites of [l,2,3-i3C3]acryhc acid and [l,2,3- 3C3]propionic acid in the rat by homonuclear - C nuclear magnetic resonance spectroscopy. Drug Metab. Disp., 20, 665-672... 

C nuclear magnetic resonance spectroscopy can be employed to study changes in copolymer sequence distribution brought about by differences in monomer feed profiles. Sequence distributions characteristic of conventional, staged, and power-feed copolymers are easily distinguishable in a model system of the type described here. 

Navarro D, Zwingmann C, Hazell AS, Butterworth RF (2005) Brain lactate synthesis in thiamine deficiency a re-evaluation using H/ C nuclear magnetic resonance spectroscopy. J Neurosci Res 79(l-2) 33-41... 

Cody, G. D., Alexander, C. M. O., and Tera, F. (2002). Sohd-state ( H and C) nuclear magnetic resonance spectroscopy of insoluble organic reside in the Muchison meterorite A self-consistent quantitative analysis. Geochim. Cosmochim. Acta 66(10), 1851—1865. 

T.M. Duncan, P. Winslow, and A.T. Bell, The Characterization of Carbonaceous Species on Ruthenium Catalysts with C Nuclear Magnetic Resonance Spectroscopy, J. Catal. 93 (1985) 1. 

Initially an extensive literature search was conducted to identify key world oil shales, i.e., deposits of large size and/or of current interest to potential developers. The resulting information was used to select a few key world oil shales. Thirteen oil shale samples from eight different countries were studied. Samples were acquired from each of the following countries Australia, Brazil, Israel, Sweden, the United States, and Yugoslavia. Two samples were acquired from Morocco and five samples were acquired fr qj the People s Republic of China. Fischer, Ultimate, Rock-Eval, C Nuclear Magnetic Resonance Spectroscopy (NMR), and X-ray Diffraction Mineral analyses were performed on the samples to identify their compositional characteristics. 

Wilson, M. A. and Goh, K. M. (1977b). C nuclear magnetic resonance spectroscopy of humic substances. Plant and Soil 46, 287-289. 

Bos R, Barnett NW, Dyson GA, Lim KF, Russell RA, Watson SP. Studies on the mechanism of the peroxyoxalate chemiluminescence reaction part 1 confirmation of 1,2-dioxetanedione as an intermediate using C nuclear magnetic resonance spectroscopy. Anal Chem Acta. 2004 502 141-7. 

Fennell TR, Kedderis GL, Sumner SCJ. Urinary metabolites of [l,2,3- C)acrylonitrile in rats and mice detected by C nuclear magnetic resonance spectroscopy. Chem Res Toxicol 1991 4 678-687. 

Sumner SCJ, Stedman DB, Clarke DO, Welsch F, Fennell TR. Characterization of urinary metabolites from [l,2,methoxy- C]-2-methoxyethanol in mice using C nuclear magnetic resonance spectroscopy. Chem Res Toxicol 1992 5 553-560. 

Jokura, Y, Ishikawa, S., Tokuda, H., and Imokawa, G. (1995). Molecular analysis of elastic properties of the stratum corneum by solid-state C-nuclear magnetic resonance spectroscopy, J. Invest. Dermatol, 104 806-812. 

McKenzie, J.M. and Koch, K.R. Rapid analysis of major components and potential authentication of South African olive oils by quantitative C nuclear magnetic resonance spectroscopy. South African Journal of Science, 100, 349-354. 2004. 

P. S. Belton, S. F. Tanner, N. Cartier, and H. Chanzy, High-resolution sohd-state C nuclear magnetic resonance spectroscopy of tunicin, an animal cellulose. Macromolecules, 22 (1989) 1615-1617. 

Yan et al. [52] explored the use of IPN techniques to produce a composite vinyl-acrylic latex. The first-formed polymer was produced using VAc and divinyl benzene (DVB), while the second formed polymer constituted a BA/DVB copolymer. In both cases the DVB was added at 0.4 wt%. They compared this product with another product, a bidirectional interpenetrating netwodc (BIPN) in which VAc was again polymerized over the first IPN. They noted that the compatibility between the phases was more pronounced in the BIPN than in the IPN as determined using dynamic mechanical measurements and C nuclear magnetic resonance spectroscopy. The concept of polymer miscibility has also been used to produce composite latex particles and thus modify the pafamance properties of VAc latexes. Bott et al. [53] describe a process whereby they bloid VAc/ethylene (VAc/E) copolymers with copolymers of acrylic acid or maleic anhydride and determine windows of miscibility. Apparently an ethyl acrylate or BA copolymer with 10-25 wt% AA is compatible with a VAc/E copolymer of 5-30 wt% ethylene. The information obtained from this woik was then used to form blends of latex polymers by polymerizing suitable mixtures of monomers into preformed VAc/E copolymers. The products are said to be useful for coating adhesives and caulks. 

Gorst-Allman CP, Steyn PS, Vleggaar R, Rabie CJ (1985) Structure Elucidation of a Novel Trichothecene Glycoside Using and C Nuclear Magnetic Resonance Spectroscopy. J Chem Soc, Perkin Trans 1 1553... 

Booth H, Jozefowicz ML (1976) The application of low temperature C nuclear magnetic resonance spectroscopy to the determination of the a-values of amino-, methylamino-, and dimethylamino-substituents in cyclohexane. J Chem Soc Perkin Trans 2 895-901... 

Pieters LA, Hartmann T, Janssens J, Vlietinck AJ (1989) Comparison of capillary gas chromatography with H an C nuclear magnetic resonance spectroscopy for the quantitation of pyrrolizidine alkaloids from Senecio vernalis. J Chromatogr 462 387-... 

Aursand, M., Jorgensen, L. and Grasdalen, H. (1995) Positional distribution of co-3 fatty acids in marine lipid triacylglycerols by high-resolution C-nuclear Magnetic resonance spectroscopy. J. Am. Oil Chem. Soc., 72 (3), 293-7. 

R99 T. J. Bootten, P. J. Harris, L. D. Melton and R. H. Newman, Using Sohd-State C Nuclear Magnetic Resonance Spectroscopy to Study the Molecular Organisation of Primary Plant Cell Walls , in Methods in Molecular Biology (New York, NY, United States), ed. Z. A. Popper, Springer, 2011, Vol. 715, Plant Cell Wall - Methods and Protocols, p. 179. 

Steinstrasser et al. reported the synthesis of a series of p-alkyl-p -alkoxy- and p-alkyl-p -acyloxyazoxybenzenes that were prepared by oxidation of the unsymmetrically substituted azo compounds. One member of this series, (2), exhibited nematic behavior in the range 16-76 C. Nuclear magnetic resonance spectroscopy revealed that these materials were not single compounds but instead consisted of mixtures of two azoxy isomers. The protons of the methoxy group in each isomer showed two different signals. 

C Nuclear Magnetic Resonance Spectroscopy. Carbon-13 NMR spectra were obtained at 22.5 MHz on a JEOL FX-90Q Spectrometer using a 5000 Hz window. Approximately 30,000 transients were accumulated for each sample consisting of 0.1 to 0.2 grams of copolymer in 2 mL of D2O in 10 mm tubes. 

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