Publications
164 results found
Higgins JS, Law RV, Sohal N, 2001, Solid state NMR investigation of solution chlorinated polyethylene/poly(methylmethacrylate) blends., ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol: 221, Pages: U441-U442, ISSN: 0065-7727
Higgins JS, Hodgson AW, Law RV, 2001, Proton relaxation behaviour in the solid state NMR investigation of bisphenol-A tetramethyl polycarbonate/polystyrene blends., ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol: 221, Pages: U441-U441, ISSN: 0065-7727
Aliev AE, Law RV, 2001, Solid-state NMR spectroscopy, Nuclear magnetic resonance, Cambridge, Publisher: Royal Society of Chemistry, Pages: 214-310, ISBN: 9780854043323
Heatley F, Humadi M, Law RV, et al., 1998, Erosion of a 1,3-bis(p-carboxyphenoxy)propane sebacic acid poly(anhydride) copolymer by water vapor studied by H-1 and C-13 solid-state NMR spectroscopy, Macromolecules, Vol: 31, Pages: 3832-3838, ISSN: 0024-9297
Law RV, Sasanuma Y, 1998, Conformational characteristics of poly(tetramethylene oxide), Macromolecules, Vol: 31, Pages: 2335-2342, ISSN: 0024-9297
Law RV, Sherrington DC, 1998, Crosslinked Polymers, Solid State NMR of Polymers, Editors: Ando, Asakura, Publisher: Elsevier
Sasanuma Y, Law RV, Kobayashi Y, et al., 1997, Small angle X-ray scattering measurements and image reconstruction by the maximum entropy method, Analytical Chemistry, Vol: 69, Pages: 794-800, ISSN: 0003-2700
Law RV, Sherrington DC, Snape CE, 1997, Quantitative solid state C-13 NMR studies of highly cross-linked poly(divinylbenzene) resins, Macromolecules, Vol: 30, Pages: 2868-2875, ISSN: 0024-9297
Law RV, Sherrington DC, Snape CE, et al., 1996, Solid-state C-13 MAS NMR studies of hyper-cross-linked polystyrene resins, Macromolecules, Vol: 29, Pages: 6284-6293, ISSN: 0024-9297
Law RV, Sasanuma Y, 1996, Nature of the non-bonded (C-H)center dot center dot center dot O interaction of ethers CH3O-(CH2)(n)-OCH3 (n=4-8), Journal of the Chemical Society-Faraday Transactions, Vol: 92, Pages: 4885-4888, ISSN: 0956-5000
Sasanuma Y, Law RV, Kobayashi Y, 1996, A point-focusing small angle x-ray scattering camera using a doubly curved monochromator of a W/Si multilayer, Review of Scientific Instruments, Vol: 67, Pages: 688-692, ISSN: 0034-6748
LAW RV, SHERRINGTON DC, SNAPE CE, et al., 1995, SOLID-STATE C-13 MAS NMR-STUDIES OF ANION-EXCHANGE RESINS AND THEIR PRECURSORS, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, Vol: 34, Pages: 2740-2749, ISSN: 0888-5885
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- Citations: 24
MORRISON WR, LAW RV, SNAPE CE, 1993, EVIDENCE FOR INCLUSION COMPLEXES OF LIPIDS WITH V-AMYLOSE IN MAIZE, RICE AND OAT STARCHES, JOURNAL OF CEREAL SCIENCE, Vol: 18, Pages: 107-109, ISSN: 0733-5210
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- Citations: 167
Morrison WR, Tester RF, Snape CE, et al., 1993, Swelling And Gelatinization Of Cereal Starches .4. Some Effects Of Lipid-Complexed Amylose And Free Amylose In Waxy And Normal Barley Starches, CEREAL CHEMISTRY, Vol: 70, Pages: 385-391
Amylose (AM) and lysophospholipid (LPL) contents were directly correlated in barley starches, but the linear regressions that described the relationships in waxy and nonwaxy starches were quite different. The data indicated that AM exists partially as lipid-complexed amylose (L.AM), with an LPL-to-L.AM ratio of 1:7 and partially as lipid-free amylose(F.AM). The C-13-crosspolarization/magic angle spinning-nuclear magnetic resonance (CP/MAS-NMR) spectra of the nonwaxy starches had a broad resonance with a chemical shift of 31.2 +/- 0.4 ppm, which is characteristic of midchain methylene carbons of fatty acids in the solid state or in V-amylose (V-AM) complexes.The extracted lipid was a viscous liquid that, when mixed with seven parts AM, did not give a discernible peak under the conditions used to acquire the solid-state spectra. However, when the lipid was complexed with AM, it gave a typical V-AM spectrum and a broad resonance at 31.8 ppm. This proves lipid complexed with L.AM existed in the native starches and was not an artifact formed subsequently from free LPL and F.AM. The intensity of the resonance was consistent with the LPL content of the starches. Independent supporting evidence was obtained by differential scanning calorimetry that showed a constant enthalpy for disordering of amylopectin, DELTAH(AP), for all waxy and nonwaxy starches, regardless of L.AM content and, hence, no exothermic formation of L-AM during starch gelatinization. Twelve waxy barley starches used in this study contained 0.8-4.0% L.AM and 0.9-6.4% F.AM; six nonwaxy starches contained 6.1-7.2% L.AM and 23.1-25.0% F-AM. All starches had essentially identical AP structures, as shown by the chain lengths of debranched starches fractionated by gel-permeation chromatography and high-performance liquid chromatography. L.AM and F-AM appeared to have quite different effects on starch gelatinization behavior. Peak gelatinization temperature (T(p)) of the waxy starches was positively correlated wit
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