C(sub 60) aggregate structure and geometry in nonpolar o-xylene

Article Abstract:

The study reports on the solution-phase structure of C(sub 60) in nonpolar o-xylene using a positronium (Ps) atom as a fundamental probe, mapping changes in the local electron density of the microenvironment. Transmission electron microscopy images of the aggregated clusters, in corroboration with Ps annihilation characteristics and pyrene fluorescence, revealed the clusters to be hexagonally close packed microcrystals.

Petrochemical Manufacturing, Xylenes, Usage, Transmission electron microscopes, Xylene, Carbon compounds, Structure, Atomic properties

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A new pH and thermo-responsive chiral hydrogel for stimulated release

Article Abstract:

The surfactant bis(decyloxy) succinic acid (BDSA), a chiral Gemini-type surfactant with a rigid spacer in association with cetyltrimethylammonium bromide (CTAB) which formed pH and temperature responsive vesicles and hydrogels that were able to entrap and release model dye molecules, rhodamine B, and Congo red, responding to thermal and pH stimuli are reported.

Science & research, All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Methylamines, Research, Chirality, Chemical properties, Succinic acid

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