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Calculate concentrations for serial dilutions
Actual dilution factor: 1:10.0
Stock
1.00e+6
10⁻1
100000
10⁻2
10000
10⁻3
1000
10⁻4
100
10⁻5
10
10⁻6
1
Serial dilutions are essential for counting bacteria - spreading undiluted samples is useless
1:10 dilutions are most common because they're easy to calculate and pipette
Vaccine potency testing requires precise serial dilutions for accurate titers
Each 1:10 dilution step reduces concentration by one order of magnitude
MIC (Minimum Inhibitory Concentration) tests use serial dilutions of antibiotics
Virus titers are measured using endpoint dilution methods
Drug dose-response curves require serial dilutions across many concentrations
6-step serial dilution can reduce concentration from 10⁶ to 1 (million to one)