types de formol Flashcards

(16 cards)

1
Q

cest quoi paraformaldehyde

A

formaldehyde polymerer du a de base temperature

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2
Q

% de formol dans 37-40% de formaldehyde

A

100%

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3
Q

comment on prepare de formol 10%

A

1 parti de formaldehyde avec 9 parties deau

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4
Q

solution recommandé pour la preservation des tissus phospholipidiques

A

formol calcium

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5
Q

cause la lyse des gr

A

acide acetique

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6
Q

cest quoi de l’acide acetique glacial

A

de l’acide acetique concentré

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7
Q

pourquoi on dit acide acetique glacial

A

du a son point de congelation inhabituel de 16.6C

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8
Q

a quoi sert de formol calcium

A

preservation des tissus phospholipidiques

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9
Q

solution recommandé pour specimens du systeme nerveux central

A

formol bromure d’ammonium

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10
Q

a quoi sert le formol bromure d’ammonium

A

preservation du systeme nerveux central

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11
Q

on rajoute quoi au formaldehyde pour empecher la polymerisation et formation de paraformaldehyde

A

methanol

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12
Q

meilleur remplacement pour formol non tamponné

A

formol acétate

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13
Q

pourquoi le formol 10% neutre nest pus recommandé

A

il devient acide

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14
Q

solution de formol la plus user

A

formol 10% neutre tamponné

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15
Q

bon pour les tissus immunohistochimie

A

formol zinc

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16
Q

a quoi sert formol zinc

A

pour preserver les tissus immunohistochimiques