Crystal structures of n-alkanes with branches of different size in the middle

Article Abstract:

Four branched n-alkane samples were synthesized with the same carbon number of the main chain, n=35, to which the methyl, butyl, hexyl, and butyl phenyl groups were respectively attached at the middle, and also the corresponding linear homologue of C35. Findings revealed that main chains of branched alkane molecules are not folded, irrespective of length and chemical structure of branches.

Structure

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The surface chemistry of Au colloids and their interaction with functional amino acids

Article Abstract:

The interactions between nanoscale Au colloids and two main types of organic functional groups, viz. alkanethiols and amino acids are described. It is shown that the ph insensitive (remote) amine binds amino acids to each particle, leaving protruding pairs of alpha-amines that can be bridged by a symmetrical linker molecule like glutaraldehyde (via its electrophilic centers).

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Gold, Hydrogen-ion concentration, pH

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Crystal structure of 20-methyl-nonatriacontane ((C19H39)2CHCH3) and its compatibility with its compatibility with nonatriacontane (C39H80)

Article Abstract:

The results on the methyl-branched alkane M39 with n=39, obtained from SEM, DSC, X-ray diffraction, Raman scattering, IR absorption measurements and computer simulation, are presented. These results show two crystalline structures, proposed for M39 appear

Plastics Material and Resin Manufacturing, Plastics materials and resins, Polyethylene, Crystals, Crystal structure

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