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Sistemi transdermici e sviluppi

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Scelta della matrice e del supporto<br />

Condizioni operative:<br />

• Temperatura = 37±0,5 °C<br />

• Tempo = 24 h<br />

Permeabilità al vapor d’acqua (WVP)<br />

Coperchio<br />

• WVP = (perdita in peso*1000g/m 2 /24h)/13.2<br />

Minghetti P. et al., Int. J. Pharm, 158: 165-172, 2007.<br />

Supporto/Cerotto<br />

Riserva d’acqua

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