
Objectives
and Variables:
1.
Test for the inhibition curve of E. coli
generated by ultrasound alone
Variables:
Manipulated:
time length of ultrasonication
Fixed:
bacteria concentration
Temperature
Ultrasound
2.
Determination of MIC of spectinomycin
Variables:
Manipulated:
concentration of spectinomycin
Fixed:
bacteria concentration
Temperature
3.
Test for synergy (combination of ultrasound and antibiotic)
Variables:
Manipulated:
time length of ultrasonication
Fixed:
bacteria concentration
Spectinomycin concentration
Temperature
Ultrasound
