Table 1.

Comparison of High Throughput Screening Systems

	IMP	TopoChip	BSSA	MARC
pattern format	single or multiple pattern per well. 96, 384 well plate.	2176 patterns on 2 cm × 2 cm area. Circles, isosceles triangles, thin rectangles	169 squares, each covers 3 mm × 3 mm area	6 × 6 array of 18 patterns on 2.2 cm ×2.2 cm
transmission microscopy	yes	yes	no	no
high NA microscopy	yes	no	no	no
form factor	tissue culture plate	microarray chip	microarray chip	microarray chip
automated fluidic handling	yes	no	no	no
plate scanner readout	yes	no	no	no