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The well position is also standardized, but only for 96- , 384-, and 1536-well plates. These are generally well followed by manufacturers: Well Positions [16] [17] 96-well plates have a 9 mm well-to-well spacing, 384-wells a 4.5 mm spacing, and 1536-wells a 2.25 mm spacing. A notable characteristic is that the well array is symmetrical when the ...
Plate readers, also known as ... with a typical reaction volume between 100 and 200 μL per well. Higher density microplates (384- or 1536-well microplates) are ...
The test uses a thick-walled sampling tube, with an outside diameter of 5.01 cm (2 in) and an inside diameter of 3.5 cm (1.375 in), and a length of at least 60 cm (24 in). The sampling tube is driven into the ground at the bottom of a borehole by blows from a hammer with a mass of 63.5 kg (140 lb) falling a distance of 75 cm (30 in).
This assay is presumably very easy to do on a 24-well plate and read with a plate reader; i wouldn't want to count twenty-odd samples on a haemocytometer. The formation of the dye is catalysed by mitochondrial enzymes, so this assay really measures the quantity of those enzymes, right?
For manual high-throughput applications like filling up a 96-well microtiter plate most researchers prefer a multi-channel pipette. Instead of handling well by well, a row of 8 wells can be handled in parallel as this type of pipette has 8 pistons in parallel. Adjustable tip spacing pipette transferring samples from a 384 well plate to a 96 ...
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A gel plate is cut to form a series of holes ("wells") in an agar or agarose gel. A sample extract of interest (for example human cells harvested from tonsil tissue) is placed in one well, sera or purified antibodies are placed in another well and the plate left for 48 hours to develop.