Another green revolution

Article Abstract:

The three-dimensional structure of the green-fluorescent protein (GFP) as solved by Ormo et al. and Yang et al. affirms its potential as a label in fluorescence-imaging microscopy for monitoring the expression and location of other proteins within organisms. The jellyfish Auquorea victoria makes GFP, which functions along with calcium-ion-activated protein aequorin. Shaking or attack triggers a change in calcium-ion levels and aequorin generates an excited state, the blue light transferring to GFP and radiating a bright green flash.

Equipment and supplies, Genetic aspects, Fluorescence, Fluorescence microscopy, Jellyfishes

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Self-assembly of nanoscale cuboctahedra by coordination chemistry

Article Abstract:

The preparation of synthetic polyhedral molecular assemblies is a challenging problem, but the task can be addressed by advances in supramolecular chemistry. A cuboctahedron was prepared using self-assembly of molecular units, from 20 tridentate and bidentate subunits, in a single step. The self-assembled polyhedral capsules were characterized by NMR and electrospray mass spectrometry.

Usage, Mass spectrometry, Polyhedra, Polyhedrons

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Green chemistry through the mill

Article Abstract:

Issues are presented concerning the research which is being undertaken to discover techniques for papermaking which are more environmentally friendly and which reduce the volume of environmentally hazardous waste products.

Environmental aspects, Paper industry, Industrial chemistry, Papermaking

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