1. Perkin Elmer Lambda 2 Spectrophotometer

• Used to measure concentrations of various biological materials
• Measure absorbance or percent transmittance of concentration-dependent dyes
• Continuous visible wavelength range of 200-1100 nm; UV/Visible relies on high-energy tungsten-halogen lamp to penetrate samples
• Data reporting to printer/computer

2. Bio Tek Microplate Reader

• Model EL 310 Autoreader- 96 well microplates
• Measures concentrations of various biological materials
• Wavelength range of 380-750 nm using narrow band interference filters

3. Fisher Micro-Centrifuge

• Model 235B
• Used to separate particulate or macromolecular material from solution