Materials Literature
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ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTHigh-yield epoxidations with hydrogen peroxide and tert-butyl hydroperoxide catalyzed by iron(III) porphyrins: heterolytic cleavage of hydroperoxidesTeddy G. Traylor, Shinji Tsuchiya, Young Seok Byun, and Cheal KimCite this: J. Am. Chem. Soc. 1993, 115, 7, 2775–2781Publicati…
Minimum amounts of SiO 2 and CaO required for inducing abnormal grain growth in alumina were determined using ultrapure alumina (>99.999%) and sintering at 1900°C for 1 h in a contamination‐free condition. The critical concentrations of silicon in cationic mole fractions in alumina were 300 ppm without calcium, 200…
There has been much recent effort in the design of optimal chromophores for second-order nonlinear optical (NLO) applications. Most studies of organic molecules have focused on donor-acceptor π-conjugated molecules containing aromatic groups. We will show that the NLO response of aromatic donor-acceptor chromophores i…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTNew ordered morphologies in ABC triblock copolymersClemens Auschra and Reimund StadlerCite this: Macromolecules 1993, 26, 9, 2171–2174Publication Date (Print):April 1, 1993Publication History Published online1 May 2002Published inissue 1 April 1993https://pubs.acs.org/doi/10…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCH-.pi. interaction as an important driving force of host-guest complexation in apolar organic media. Binding of monools and acetylated compounds to resorcinol cyclic tetramer as studied by proton NMR and circular dichroism spectroscopyKenji Kobayashi, Yuji Asakawa, Yasuaki…
Some of the unsolved problems and unanswered questions in the flame retardance of polymers are reviewed. They include, durable flame-retardant systems for cotton; FR treatment of cotton–PET blends; durable, weatherable, non-water-leachable, FR treatment of lignocellulosic products, especially wood; better understandin…
It is known that two proteins of the cellulosomal complex of Clostridium thermocellum (SL and SS) together degrade crystalline cellulose. SL is a glycoprotein of 210,000 Da which enhances the binding to cellulose and the activity of SS, an endoglucanase of 83,000 Da. We have previously reported the cloning of a DNA fr…
Recently, it has been shown that a new class of quasi-one-dimensional conductors can be created by doping discotic liquid crystals with appropriate oxidants. This paper reports the elucidation of the mechanism of conduction in these new materials. In particular, the ac conductivity of 2,3,6,7,10,11-hexahexyloxytriphen…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRigid nonlabile polyoxometalate cryptates [ZP5W30O110](15-n)- that exhibit unprecedented selectivity for certain lanthanide and other multivalent cationsInge Creaser, Mark C. Heckel, R. Jeffrey Neitz, and Michael T. PopeCite this: Inorg. Chem. 1993, 32, 9, 1573–1578Publicati…
Colloidal silica spheres bearing grafted octadecyl chains dispersed in hexadecane undergo a sol-gel transition with decreasing temperature. The gelation temperature depends on the volume fraction \ensuremath{\varphi} and, perhaps, the particle size. For \ensuremath{\varphi}>${\mathrm{\ensuremath{\varphi}}}_{gel}$(T…
The Journal of Phycology was founded in 1965 by the Phycological Society of America. All aspects of basic and applied research on algae are included to provide a common medium for the ecologist, physiologist, cell biologist, molecular biologist, morphologist, oceanographer, taxonomist, geneticist, and biochemist. The…