Drug Response versus Concentration

Concentration	Response Drug 1	Response Drug 2
0.0001	0.0005	0.000125
0.001	0.005	0.00125
0.01	0.05	0.0125
0.1	0.498	0.125
1	4.76	1.22
10	33.3	10
100	83.3	35.7
1000	98	48.1
10000	99.8	49.8

Two drugs were tested for pharmacological response over a wide range of concentrations. The data collected are shown in the table above and the figure below. Estimate the Emax and EC_50% for each drug. Which one is more potent?

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The Equation:

Response equation

Equation for Response versus Concentration

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