Profile: Olis, Inc. offers absorbance, fluorescence & circular dichroism spectroscopy for sophisticated research and routine measurements in the field of biophysical, biochemical & bioenergetics. We offer circular dichroism spectrometer which is capable of operating without a lock-in amplifier. Our DeSa subtractive double grating monochromator with moving intermediate slit is a unique technology used in absorbance, fluorescence, CD and LD spectrophotometers. We alos offer peltier controlled enzyme assay device, auxiliary mixer, ball-berger mixer, tonometer adapter, external shutter box, cell holders, cooling box, vertex™ variable angle cell holder and integrating sphere.