Download Colorimetric Analysis of Bacteria in Saliva

Science Express
Colorimetric Analysis of Bacteria in Saliva
Grade Levels
10-12
Objectives
 To use spectroscopy to interpit the level of bacteria in the
human mouth
 To demonstrate the affect of different liquids on bacterial
levels in the human mouth
 To determine absorbance of PNP
 To use a centrifuge properly
 To review function of enzymes
Vocabulary
Spectroscopy
Enzyme
Centrifuge
Absorbance
Bacteria
Alkaline Phosphatase
Phosphate
pH
ROYGBIV
Nanometer (10-9)
Pre-lab
Recommended but not required
1. Review vocabulary
2. Review metric system
3. Review enzyme and effect of metabolism
4. Bacteria and were it is found on humans