Méthodes d'études Flashcards

1
Q

bleu de toluidine

A

orthochromatique : bleu

métachromatique : rouge/rose

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2
Q

trichrome de masson

A

hématoxyline: colorant nucléaire -> violet
fuchsine ponceau: colorant cytoplasmique -> rouge
vert lumière: collage -> vert

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3
Q

orcéine

A

fibres élastiques

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4
Q

PAS

A

polysaccharides et glycogène (=inclusions lipidiques)

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5
Q

bleu acian

A

mucus

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6
Q

coloration de perls

A

complexes insolubles contenant du fer

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7
Q

noir Soudan, rouge Soudan, O red oil

A

inclusions lipidiques -> tissus frais ou congelés

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8
Q

trichrome HES

A

hémateine + eosine + safran

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9
Q

production anticorps polyclonaux

A

récupération de sérum : cocktail d’anticorps différents dirigé vers les différents épitopes

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10
Q

anticorps polyclonaux (avantages et inconvénients)

A

avantage : peu coûteux, simples

inconvénients: non spécifique, reproductibilité non garantie

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11
Q

production anticorps monoclonaux

A

isolation de cellule de la rate ou ganglion lymphatique de la souris + immortalisation des plasmocytes

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12
Q

anticorps monoclonaux (avantages et inconvénients)

A

avantages: un seul type d’Ac par clone, quantité illimité et homogène
inconvénients: long, couteux, incertains

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13
Q

Pour différencier des éléments basiques ont utilise

A

Eosine a forte affinité

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14
Q

Pour observer des cellules vivantes

A

contraste de phase, vidéo-microscopie, microscopie inversée

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15
Q

DAB

A

substrat pour détecter l’activité de peroxydase

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