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med.drug-release-Korsmeyer-Peppas Calculator
Fits the Korsmeyer-Peppas power law model to drug release data, determining whether release is Fickian diffusion (n≤0.45), anomalous transport, or Case-II erosion (n≥0.89). The release exponent n distinguishes the release mechanism — essential for controlled-release formulation development.
Inputs
K Release
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
N Exponent
Reference formula or conversion factor shown for context.
T Hours
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
M Inf Mg
Total mass (kg). Distinct from weight — weight = mass × gravity. Mass is constant; weight varies with location.
Results
cumulative release Mt/M∞
The value at the specified point or condition.
mass released (mg)
The computed mass of the object or substance.
time to 50% release (hr)
The computed duration or time value.
time to 80% release (hr)
The computed duration or time value.
Mt/M∞ = k·tⁿ
Reference formula or conversion factor shown for context.
n interpretation
Qualitative summary of what the computed numbers mean in practical terms.