Výsledky vyhledávání - "C. C. Rowlands"

Co-trial on ESR identification and estimates of γ-ray and electron absorbed doses given to meat and bones

Autor: N. J. F. Dodd, L. A. Sheahen, William L. McLaughlin, J. J. Raffi, J. S. Lea, J. C. Evans, Marc F. Desrosiers, J.-P. L. Agnel, C. C. Rowlands

Publikováno v: International Journal of Food Science & Technology. 25:682-691

Summary A multinational co-trial was organized to determine if electron spin resonance (ESR) spectroscopy could be used to monitor foods exposed to ionizing radiation. The bones of chicken legs, frog legs and pork rib bones were prepared and distribu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2866c923bff40f077193727174d325f
https://doi.org/10.1111/j.1365-2621.1990.tb01129.x

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Electron spin resonance investigation of molecular motions in oil-extended styrene-butadiene-styrene block copolymers. I. The temperature dependence of resonance spectra: Glass, narrowing, and inflection temperatures

Autor: M. Chipara, C. C. Rowlands, Andrei Galatanu

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 42:1960-1971

Spin-probe research into nanometer-scale molecular motions occurring in oil-extended styrene–butadiene–styrene diblock copolymers within the glass-transition range is reported. Complex resonance spectra are deconvoluted, and their intricate tempe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae5ec7196abf209ff71420decf45e45f
https://doi.org/10.1002/polb.20074

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THE SCIENTIFIC IDENTIFICATION OF ARCHAEOLOGICAL JET-LIKE ARTEFACTS

Autor: Fraser Hunter, A. M. Pollard, J. G. McDonnell, C. R. Morris, C. C. Rowlands

Publikováno v: Archaeometry. 35:69-89

Jet has been widely used in the past for jewellery but was just one of a range of black lithic materials employed. When worked into small objects these materials can be visually indistinguishable, yet discrimination is important because of the restri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20b296dffe0f125be86974c6c1f229d8
https://doi.org/10.1111/j.1475-4754.1993.tb01024.x

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The role of the liver in the production of free radicals during halothane anaesthesia in the rat. Quantification of N-tert-butyl-alpha-(4-nitrophenyl)nitrone (PBN)-trapped adducts in bile from halothane as compared with carbon tetrachloride

Autor: C.G. Curtis, J C Evans, C C Rowlands, Helen Hughes, I M George, G. M. Powell

Publikováno v: Biochemical Journal. 277:795-800

Halothane or CCl4 was co-administered with the spin trap N-tert-butyl-alpha-(4-nitrophenyl)nitrone (PBN) to rats fitted with bile duct cannuli or to isolated perfused liver preparations. Rats maintained under halothane anaesthesia generated significa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9025555d38c111182c63a61e3fc09421
https://doi.org/10.1042/bj2770795

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Aqueous copper sulfide clusters as intermediates during copper sulfide formation

Autor: George W. Luther, C. C. Rowlands, Stephen M. Theberge, Anthony Oldroyd, Tim F. Rozan, David Rickard

Publikováno v: Environmental sciencetechnology. 36(3)

Using a combination of experimental techniques, we show that Cu(II) reduction by sulfide to Cu(I) occurs in solution prior to precipitation. EPR and 63Cu NMR data show that reduction to Cu(I) occurs during the reaction of equimolar amounts of Cu(II)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2fd6dae59a649cc269ba37d73f58e7a7
https://pubmed.ncbi.nlm.nih.gov/11871554

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ESR analysis of irradiated frogs' legs and fishes

Autor: J. C. Evans, C. C. Rowlands, Lesgards G, J.-P. L. Agnel, J. J. Raffi

Publikováno v: International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes. 40:1215-1218

Electron spin resonance (ESR) spectral analysis of different parts (bones, scales, jaw, etc.) from ionized (irradiated) frozen frogs' legs and fishes (brown trout and sardine) were recorded. There is always present, after treatment, a signal due to t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1f3cd21a0c8ce69a2ea8d88d1caf1c0
https://doi.org/10.1016/0883-2889(89)90066-x

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