fixateurs a base d'aldéhydes Flashcards

(22 cards)

1
Q

comment agissent les fixateurs a base d’aldehyde

A

en formant des ponts entre les proteines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

comment obtient on du formol 10%

A

solution mere avec 9 parties deau

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

quel reaction est reversible dans les premieres heures de fixation

A

reaction du formol avec les proteines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

comment on se debarasse de la reaction du formol aves les proteines

A

en lavant les pieces a leau ou a lacool

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

proprietes formaldehyde

A

non coag, additif, tolerant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

le formaldehyde reagit avec quel 2 acide aminés

A

cystéine et lysine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

nomme les 8 sorte de formol

A

formol 10% aq
formol calcium
formol bromure d’ammonium
formol acétate
formol 10% neutre tamponné
formol alcoolique
formol zinc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

nomme le danger du formol aq 10%

A

pigments de formol

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

avec CaCl2
fixation et preservation phospholipides

A

formol calcium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

fixation du tissu systeme nerveyx central
utilisé dans methode de cajal

A

formol bromure d’ammonium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

type de formol le plus utiliser

A

formol 10% neutre tamponné

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

quel formol debute la deshydratation

A

formol alcoolique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

excellent pour les tissus de immunohistomchimie

A

formol zinc

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

ingredients formol zinc

A

sulfate de zinc
formaldehyde 40%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

dou provient le paraformaldehyde

A

polumerisation de formaldehyde

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

comment on empeche la formation du paraformaldehyde

A

ajout de methanol 10%

17
Q

proprietés glutaraldehyde

A

intolerant, non coagulant

18
Q

donne un faux positif si methode APS

A

glutaraldehyde

19
Q

le plus petit des aldehydes

20
Q

proprieté glyoxal

21
Q

le plus petit des aldehydes
tolerant