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A side view of cells with Galena

September 22nd, 2009

Putting small, cubic, crystals of galena on the surface of a culture dish provides flat surfaces that are ideal for good side-views of attached cells for light microscopy.

Valap brush

September 21st, 2009

I made a valap brush—essentially a modified soldering iron, with a metal brush at the end. It heats up just enough to melt the valap—so you dip it into solid valap, which it melts, then you paint the liquid valap on at leisure.