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The Pleated Sheet, A New Layer Configuration of Polypeptide Chains

Linus Pauling、Robert B. Corey1951-05-01OpenAlex

For many years it has been assumed that in silk fibroin, stretched hair and muscle, and other proteins with the β-keratin structure the polypeptide chains are extended to nearly their maximum length, about 3.6 A per residue, and during the last decade it has been assumed also that the chains form lateral hydrogen bond…

Silk-based biomaterials and applications

Rotatory power and other optical properties of certain liquid crystals

Hl. de Vries1951-05-01OpenAlex

A group of liquid crystals, mainly derivates of cholesterol, shows remarkable optical properties, including strong rotatory power and selective reflexion of circularly polarized light in a narrow region of wave-lengths. In this paper it is shown how these properties can be explained by the assumption that the molecule…

Liquid Crystal Research AdvancementsOptical Polarization and EllipsometryMolecular spectroscopy and chirality

Interaction between thed-Shells in the Transition Metals. II. Ferromagnetic Compounds of Manganese with Perovskite Structure

Clarence Zener1951-05-01OpenAlex

Recently, Jonker and Van Santen have found an empirical correlation between electrical conduction and ferromagnetism in certain compounds of manganese with perovskite structure. This observed correlation is herein interpreted in terms of those principles governing the interaction of the $d$-shells of the transition me…

Magnetic and transport properties of perovskites and related materialsMultiferroics and related materialsAdvanced Condensed Matter Physics

The theory of paramagnetic resonance in hydrated cobalt salts

A. Abragam、M. H. L. Pryce1951-04-10OpenAlex

Abstract The theory of a previous paper is applied to the paramagnetic resonance of certain cobalt salts. The splitting of the orbital levels by the crystalline field is first investigated, and then the further splitting by the spin-orbit interaction. The g-values so derived are in good agreement with experiment. The…

Magnetism in coordination complexesAdvanced NMR Techniques and ApplicationsMolecular spectroscopy and chirality

Recent X-Ray Diffraction Studies on the Hydrous Oxides and Hydroxides.

W. O. Milligan1951-04-01The Journal of Physical Chemistry

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRecent X-Ray Diffraction Studies on the Hydrous Oxides and Hydroxides.W. O. MilliganCite this: J. Phys. Chem. 1951, 55, 4, 497–507Publication Date (Print):April 1, 1951Publication History Published online1 May 2002Published inissue 1 April 1951https://pubs.acs.org/doi/10.102…

Catalysis and Oxidation ReactionsIron oxide chemistry and applicationsX-ray Diffraction in Crystallography