Starch columns: Analog model for basalt columns

Surface Morphology of Basalt Columns at Svartifoss, VatnajökulsÞjóðgarður, Southern Iceland

A spectacular example of columnar-jointed basalt occurs at Svartifoss in the Vatnajökull National Park of southern Iceland. The columns are notable for a variety of features on the vertical joint surfaces and the horizontal parting surfaces. The jointed surfaces of the columns display horizontal striations at a spacing of centimeters to decimeters. The individual striations exhibit crescentic h...

Silicate entrapped columns--new columns designed for capillary electrochromatography.

Designed especially for capillary electrochromatography (CEC), silicate-entrapped columns are made by trapping particles of chromatographic packing material in a network of silica. Once entrapped, the capillary no longer requires frits. This renders a more homogeneous and stable packed bed. Accidental breakage of the fragile frits is not an issue with these robust columns. Columns packed with r...

Cortical Columns

The most prominent feature of the architecture of the cortex is its horizontal organization into layers. Each layer contains different cell types, and forms different types of connections with other neurons. However, a strong vertical organization is often also apparent: neurons stacked on top of each other through the depth of the cortex tend to be connected and have similar response propertie...

HPLC Columns

Cortical columns for quick brains

Cortical columns for quick brains Ralph L. Stoop1, Victor Saase2, Clemens Wagner3, Britta Stoop2, Ruedi Stoop21 1Physics Department, University of Basel, Klingelbergstrasse 82, CH-4056 Basel 2Institute of Neuroinformatics, University of Zurich and ETH Zurich Winterthurerstr. 190, 8057 Zurich 3Fachdidaktik Physik, ETH Zurich, Schafmattstrasse 16, CH-8093 Zurich Email: [email protected] Abst...