Pre Klinisch Flashcards

1
Q

Wat achterhaald?

A

Fysiochemische eigenshappen: kristal, zoutcorm, morf en grootte, oplosbaar, verdelingscoëfficient, waterabsorptie, vereenigbaarheid, stabiliteit, biofarmaceutisch classificatie

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2
Q

Pre klinisch onderzoek

A

Toxiciteit, veiligheid, formulering, farmacokinetiek

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3
Q

Kristal vormen (minst oplosbaar eerst)

A

Kristallijne, polymorf, amorf

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4
Q

Kristalvormen minst stabiel eerst

A

Amorf, polymorf, kristallijn

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5
Q

Technieken kristalvorm bepalen

A

Gepolariseerd licht
Thermisch (dsc, tga)
X stralen (xrd, xrpd)
Raman

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6
Q

Zoutarm invloed op

A

Oplos
Chemisch stabiel
Hygroscopisch
Kristalstructuur
Complexiteit synthese
Toxiciteit

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7
Q

Invloed oplosbaarheid

A

pH

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8
Q

Verdelingsciëficiënt

A

Partitiecoëficiënt = octanol/water (2-3)
Te laag/hoog?

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9
Q

Deeltjesgroote en morf technieken

A

Laser difractie, dynamic light scattering

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10
Q

Waterabsorptie invloed op

A

Srabiliteit

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11
Q

Type waterverbinding en bepaling

A

Thermische Karl en gravimetrie
Opp gebonden en hydraatwater

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12
Q

Verenigbaarheid chemische reacties

A

Maillard: red suiker + alinea = bruin
Magnesiumstearaat + acetylsalicylzuur = ester afgebroken
Nacmc + kation = neerslag

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13
Q

Stabiliteit bepalen bij

A

Andere temp en pH
Vaste stof en oplossing

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14
Q

Biofarmaceutisch classificatie systeem

A

Klasse i = beide hoog
Klasse ii= laag opl, hoog Perm
Klasse iii = hoog opl, laag Perm
Klasse iv = beide laag

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15
Q

Permeabiliteit bepaald

A

In vitro assay caco2 cellen in monolaag

Farmacon van donor naar accepteren compartiment gemeten

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