Výsledky vyhledávání - "Robert Skarjune"

X-ray diffraction and calorimetric study of anhydrous and hydrated N-(palmitoylgalactosylsphingosine cerebroside)

Autor: David Atkinson, Donald Small, G. Graham Shipley, Robert Skarjune, M. J. Ruocco, Eric Oldfield

Publikováno v: Biochemistry. 20:5957-5966

Differential scanning calorimetry and X-ray diffraction of anhydrous and hydrated N-palmitoylgalactosylsphingosine (NPGS) show evidence of complex polymorphic behavior and interconversions between stable and metastable structural forms. Anhydrous NPG

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12f191396a3351669e268a0bdf8a5f02
https://doi.org/10.1021/bi00524a006

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High-resolution solid-state NMR of quadrupolar nuclei

Autor: Michael D. Meadows, Eric Oldfield, Karen Ann Smith, Robert Skarjune, T. Michael Rothgeb, Robert A. Kinsey

Publikováno v: Proceedings of the National Academy of Sciences. 79:1351-1355

We report the observation of high-resolution solid-state NMR spectra of 23 Na ( I = [unk]), 27 Al ( I = [unk]) and 51 V ( I = [unk]) in various inorganic systems. We show that, contrary to popular belief, relatively high-resolution (≈10 ppm linewid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e43589e761c801201a563608b3825bfe
https://doi.org/10.1073/pnas.79.4.1351

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Derivation and implementation of an efficient fast fourier transform algorithm (EFFT)

Autor: Robert Skarjune

Publikováno v: Computers & Chemistry. 10:241-251

An analysis of the sequence of calculations during a standard radix-2 Fast Fourier Transform (FFT) computer algorithm reveals that additional multiplications beyond those normally eliminated by the conventional algorithms are also found to be unneces

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d5ed5140a67d2b6003c6717928ccffc
https://doi.org/10.1016/0097-8485(86)85012-4

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Physical studies of cell surface and cell membrane structure

Autor: Robert Skarjune, Eric Oldfield

Publikováno v: Biochimica et Biophysica Acta (BBA) - Biomembranes. 556:208-218

1. 1. Deuterium Fourier transform nuclear magnetic resonance spectra of a series of N-palmitoylgalactosylceramides (cerebrosides) specifically labelled with deuterium at one of positions 2′, 6′, 10′ and 16′ of the acyl chain, or in the C-6 hy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89a21105cca7730470f4132d796137e9
https://doi.org/10.1016/0005-2736(79)90043-9

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Physical studies of cell surface and cell membrane structure. Determination of phospholipid head group organization by deuterium and phosphorus nuclear magnetic resonance spectroscopy

Autor: Robert Skarjune, Eric Oldfield

Publikováno v: Biochemistry. 18(26)

Phospholipid head group conformations in 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC), 1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine (DPPE), DPPC-cholesterol, and DPPE-cholesterol dispersions, in excess water above the pure lipid gel to liqu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::735e1030917691121b487ce8ae4e8340
https://pubmed.ncbi.nlm.nih.gov/518875

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Physical studies of cell surface and cell membrane structure. Deuterium nuclear magnetic resonance studies of N-palmitoylglucosylceramide (cerebroside) head group structure

Autor: Eric Oldfield, Robert Skarjune

Publikováno v: Biochemistry. 21(13)

Deuterium Fourier-transform nuclear magnetic resonance spectra of N-palmitoyl[2,3,4,6,6-2H5]glucosylceramide, N-palmitoyl[1-2H]glucosylceramide, N-palmitoyl-[5,6,6-2H3]glucosylceramide, and N-palmitoyl[6,6-2H2]-glucosylceramide have been obtained at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5fa8d33a8756159edd4d14488759323
https://pubmed.ncbi.nlm.nih.gov/7104317

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The chemistry of N-substituted benzotriazoles. Part 7. The isomeric composition and mechanism of interconversion of some N-(aminomethyl)benzotriazole derivatives

Autor: Jose M. Aurrecoechea, Konstantina Yannakopoulou, Marian Szczesniak, Gus J. Palenik, Wojciech Kuzmierkiewicz, Alan R. Katritzky, Anna E. Koziol, Robert Skarjune

Publikováno v: Journal of the Chemical Society, Perkin Transactions 1. :2673

A variety of N-(dialkylaminomethyl)benzotriazoles are shown by 1H and 13C n.m.r., i.r., and X-ray crystallography to exist solely in the 1-substituted form in the crystalline phase, but as an equilibrium mixture of the 1- and 2-isomers in the liquid,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::513742317869be74f53e1cf61af72e67
https://doi.org/10.1039/p19870002673

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