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Calcimator

Self-Assembly Calculator

Packing parameter and predicted self-assembled structure.

Inputs

Results

Packing Parameter (p)

0.32

Structure (1-5)

1

Aggregation Number56
Micelle Radius (nm)1.7
Bilayer Thickness (nm)0
Estimated CMC (mM)8
Above CMC? (1=Yes)1
How to Use This Calculator
  1. Enter amphiphile tail volume (nm³), head group area (nm²), and tail length (nm).
  2. Set the solution temperature (°C) and concentration (mM).
  3. Review the packing parameter (p) — values below 0.33 favor spherical micelles, 0.33–0.5 favor cylinders, above 0.5 favor bilayers.
  4. Check the predicted self-assembled structure type, aggregation number, and micelle radius (nm).
  5. Adjust tail length or head group area (via pH or ionic strength) to tune the target nanostructure.
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