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Plugged-up manifold ports for a microplate washer. Short skinny tubes are dispensers, tall fat ones are vacuum. “Fat” is about 1.5mm. This is a microplate. Sometimes we use 200/day and each gets 4 to 6 rounds of squirting stuff in and washing.
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If it isn’t rigorously maintained, protein builds up, plugs form, the manifold has to come off for manual cleaning. Warm enzymatic detergent, then shoving a tiny wire into each hole.
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Alignment is a problem for 96 500 micron thick 3 cm long wires. A dedicated single wire-poking 5-axis robot with a camera could make short work of it.
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If plugged at the tip, which it always is, simply centering and shoving will bend the long skinny wire probe. You may be right tho, I’m using my generous human axes to finesse it, but a xy wiggle and slow z action might do to “drill” out the cheese plug.
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