STRUCTURE/PROPERTY RELATIONSHIPS IN TEXTILE FIBRES
(1990). STRUCTURE/PROPERTY RELATIONSHIPS IN TEXTILE FIBRES. Textile Progress: Vol. 20, No. 4, pp. 1-43.
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Quality of Feather Meal as Affected by Feather Processing Conditions ,
Feather meal contains three sulfur amino acids: cystine, lanthionine, and methionine. Procedures were investigated to determine the best conditions for quantitating the sulfur amino acids in feather meal. To separate the sulfur amino acids by ion exchange chromatography, an elution system using 100 mM citrate buffer a…
Base binding to zinc picket fence porphyrins. Attractive intramolecular interactions in organic solvents
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBase binding to zinc picket fence porphyrins. Attractive intramolecular interactions in organic solventsHiroyasu Imai and Eishin KyunoCite this: Inorg. Chem. 1990, 29, 13, 2416–2422Publication Date (Print):June 1, 1990Publication History Published online1 May 2002Published i…
Extraction of polymer properties from oligomer calculations
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTExtraction of polymer properties from oligomer calculationsC. X. Cui, Miklos. Kertesz, and Y. JiangCite this: J. Phys. Chem. 1990, 94, 12, 5172–5179Publication Date (Print):June 1, 1990Publication History Published online1 May 2002Published inissue 1 June 1990https://pubs.ac…
Properties and structural phase transitions of (CH3NH3)3Sb2I9
The tris (methylammonium) nonaiododiantimonate (III) crystals were grown. The preliminary X-ray diffraction studies showed that at room temperature they are isomorphous with Cs3Sb2I9. The crystals are hexagonal, space group P63/mmc with the unit cell parameters; a = 8.543 (1), c = 21.520 (7) å, Z = 2, V = 1360 Å3. The…
ABSOLUTE CONFIGURATION ANALYSIS OF THE FLAGELLAR APPARATUS OF PTEROSPERMA CRISTATUM (PRASINOPHYCEAE) AND CONSIDERATION OF ITS PHYLOGENETIC POSITION 1
ABSTRACT Pterosperma cristatum Schiller, a member of the Pra‐sinophyceae, was examined with light and electron microscopy with special attention on the absolute configuration of flagellar apparatus components and associated structures. This alga is characterized by asymmetrically arranged basal bodies, connecting fibe…
New multiphase thermoplastic elastomers by combination of covalent and association‐chain structures
Abstract A new type of multicomponent thermoplastic elastomers is prepared by attaching 4‐(3,5‐dioxo‐1,2,4‐triazolin‐4‐yl)benzoic acid to polybutadiene chains. The groups are difunctional with respect to a potential chain‐molecule formation via reversible association. Thus, a covalent polymer is combined with an assoc…
Biodistribution and Clearance of Liposomal Gadolinium-DTPA
Gadolinium-DTPA (Gd-DTPA) liposomes have been studied previously as liver contrast agents and have been shown to improve the detection of hepatic metastases in rats. We synthesized 100-nm and 50-nm liposomes that encapsulated Gd-DTPA and did biodistribution and clearance studies in rats. Parallel magnetic resonance im…
Structure and spectroscopic properties of five-coordinate (2-methylimidazolato)- and six-coordinate (imidazole)(imidazolato)iron(II) "picket-fence" porphyrins
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTStructure and spectroscopic properties of five-coordinate (2-methylimidazolato)- and six-coordinate (imidazole)(imidazolato)iron(II) "picket-fence" porphyrinsD. Mandon, F. Ott-Woelfel, J. Fischer, R. Weiss, E. Bill, and A. X. TrautweinCite this: Inorg. Chem. 1990, 29, 13, 24…
Switching between solid-state electroactivity, coupled with ionic conductivity, and semiconducting or dielectric properties in dry mixed-metal hexacyanoferrate powders
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSwitching between solid-state electroactivity, coupled with ionic conductivity, and semiconducting or dielectric properties in dry mixed-metal hexacyanoferrate powdersPawel J. KuleszaCite this: Inorg. Chem. 1990, 29, 13, 2395–2397Publication Date (Print):June 1, 1990Publicat…
Comparison of dielectric and viscoelastic relaxation spectra of polyisoprene
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTComparison of dielectric and viscoelastic relaxation spectra of polyisopreneKeiichiro Adachi, Hirotsugu Yoshida, Fumiaki Fukui, and Tadao KotakaCite this: Macromolecules 1990, 23, 12, 3138–3144Publication Date (Print):June 1, 1990Publication History Published online1 May 200…
Point Defects in Optical Ceramics: High‐Temperature Absorption Processes in Lanthana‐Strengthened Yttria
The optical transmission of transparent polycrystaliine La 2 O 3 strengthened Y 2 O 3 was measured in both the near‐ultraviolet and infrared regions at temperatures between 20° and 1400°C. The absorption remains low until about 900°C, but rises almost exponentially thereafter. The magnitude of this increase is a funct…
Enthalpy-driven swelling of a polymer brush
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTEnthalpy-driven swelling of a polymer brushHugh R. Brown, K. Char, and V. R. DelineCite this: Macromolecules 1990, 23, 13, 3383–3385Publication Date (Print):June 1, 1990Publication History Published online1 May 2002Published inissue 1 June 1990https://pubs.acs.org/doi/10.102…
THE FORMATION OF CARBON CHAIN MOLECULES IN IRC+10216
Un modele de formation de molecules chaines carbonnees, incluant les especes C 2n H, C n S, HC 2n+1 N (n=1-3) et SiC n (n=1-4), est developpe pour l'enveloppe circumstellaire de l'etoile carbonee de type avance IRC+10216 (CW Leo).
Synthesis, structure, and magnetic properties of a reactive complex containing a nearly linear MnIII-O-MnIII core, bis[N,N-bis(5-nitrosalicylidene)-1,7-diamino-3-azapentanato(2-)]oxodimanganese
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis, structure, and magnetic properties of a reactive complex containing a nearly linear MnIII-O-MnIII core, bis[N,N-bis(5-nitrosalicylidene)-1,7-diamino-3-azapentanato(2-)]oxodimanganeseCary A. Kipke, Michael J. Scott, Joel W. Gohdes, and William H. ArmstrongCite this…
XPS and EXAFS studies of the reactions of cobalt(III) ammine complexes with gallium arsenide surfaces
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTXPS and EXAFS studies of the reactions of cobalt(III) ammine complexes with gallium arsenide surfacesBruce J. Tufts, Ian L. Abrahams, Catherine E. Caley, Sharon R. Lunt, Gordon M. Miskelly, Michael J. Sailor, Patrick G. Santangelo, Nathan S. Lewis, A. Lawrence Roe, and Keith…
Synthesis and Characterization of 18-Molybdopyrophosphate Complex
Abstract The existence of a heteropoly 18-molybdopyrophosphate was ascertained in both solid and solution states. The yellow complex was formed in solutions of 0.05 M (M=mol dm−3) Mo(VI)/5×10−3 M pyrophosphate/0.1–0.7 M HCl/60% (v/v) CH3CN at ambient temperatures, being isolated as tetraalkylammonium (R4N+) salts wher…
Surface Modification of Polystyrene by Gamma-Radiation
The effect of gamma-radiation on the surface chemical properties of polystyrene was studied by ESCA and FT-IR. Gamma-radiation produces surface >C=O and C-O containing functional groups only, and also causes oxidation to depths >10 nm as detected by ESCA. FT-IR spectra showed that below the top few molecular lay…
Characterization of Illitization of Smectite in Bentonite Beds at Kinnekulle, Sweden
Abstract Structure, morphology, and chemical composition of illite/smectite (I/S) containing 30–50% smectite layers (% S) from Kinnekulle bentonites, Sweden, of diagenetic origin were examined using X-ray powder diffraction (XRD) and transmission electron microscopy (TEM). Interlayer arrangements of I/S changed from r…
ROLE OF ALUMINUM AND GROWTH RATE ON CHANGES IN CELL SIZE AND SILICA CONTENT OF SILICA‐LIMITED POPULATIONS OF ASTERIONELLA RALFSII VAR. AMERICANA(BACILLARIOPHYCEAE)1
ABSTRACT Changes in cell size and silica content were examined in response to aluminum additions in cultures of the acidophilic diatom Asterionella ralfsii var. americana Körn at pH 6.0. The effects of Al were examined over a range of steady‐state growth rates using silica‐limited semicontinuous cultures (Si:P = 8.0).…