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The pre-winter equinox is a time for getting back to serious business. Mr Gorbachev and his counterparts in the West have a great deal to do before they let the northern winter take over.
Do chiral partner molecules crystallize together as racemic crystals or as separate enantiomers? There is no general rule, but now at last there are the beginnings of a working model.
Fluomicrospheres coated with antibodies or receptors eliminate the need to separate bound from free ligand in both radioimmunoassays and ligand-binding assays.
Buffers in tablet form, a bright-blue fluorescent fluorophore, and protein G immobilized to membranes and gels are a selection of this week's new ideas for the immunologist.
