Oplosbaarheidsverhogend: Fysische Mod Flashcards

1
Q

Solide dispersies

A

Mengsel farmacon met goede wateroplosbare drager

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2
Q

Doel fysische modificatie

A

Beïnvloeden kristalstructuur tot amorf

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3
Q

Sproeidrogen

A

Oplossing api vehikel en drager
Vernevelen
Ogenblikkelijk droging
Scheiding poeder van bruikbare amorfe

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4
Q

Hot meltdown extrusie

A

Api en polymeer gesmolten en afkoelen
Gemengd & gekneed tot homogeen
Cilindrische opening
Amorf api polymeer pellets opengebroken en afgerond

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5
Q

Types extruders

A

Single screw
Twin screw

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6
Q

Excipienten

A

Polymeer en antioxidanten

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7
Q

Vaginale ring tekening

A

12

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8
Q

Extruder

A

Core mengsel=api en polymeer
2e mengsel membraandelen
Beide geëxtrueerd tot lange vezel
Afkoelen waterbad
Take-up roll rekt vezel
Geknipt en aan elkaar gelijmd

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9
Q

Cokristallen tekening

A

Voor 13

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10
Q

Cokristallen interacties

A

Nit covalent

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11
Q

Productie techniek cokristallen

A

Oplossing farmacon en covormer
Kristalisatie (temp, solvent evaporatie, sproeidrogen, 2e solvent)

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12
Q

Nanosuspensie

A

Stabiele suspensie -> nanodeeltjes spontaan aggregeren
–> van der Waals krachten of repulsie door elektrostatische interacties, sterische hinder

Toevoegen surfactantia en polymeren

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13
Q

Productie nanosuspensie

A

Farmacon vermalen tot nanopartikels
0,1 tot 0,5 mm

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