Table 5. Costs and Time (itemized per 10 samples) for homogenization.

Homogenization method	Capital cost of equipment ($) each	Cost of consumables per 10 samples ($)	Time to prepare 10 whole eye samples (min)
Set Screw	113	5	15
TissueLyser	6497	2.6	15
Bullet Blender	2995	6.2	15
Pellet Pestle	2790	14.7	45
Dounce	131	4	60

Costs were tabulated from recent catalog prices, and summarized for a typical experiment with preparation of 10 independent samples. Column 1 lists the various homogenization techniques, column 2 denotes the cost of any one-time equipment purchase necessary for the technique, column 3 lists the cost of consumables per 10 samples, and column 4 lists the average time necessary to prepare 10 samples.