OIL SOLUBLE DYES Flashcards

1
Q

not real dyes

A

lysochromes

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2
Q

used for the demonstration of intracellular fats

A

Sudan III
Sudan IV

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3
Q

In order to penetrate fats, the oil soluble dyes (Sudan dyes) must be

A

dissolve of the oil in soluble dye

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4
Q

it has a much greater affinity for phospholipids

A

sudan black

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5
Q

stain that colors fat droplets black and is the most
SENSITIVE of the oil soluble dyes

A

SUDAN BLACK

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6
Q

sudan black imparts _____ on intracellular lipids

A

black color

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7
Q

recommended for paraffin sections especially for tissues fixed in formol calcium with post chroming

A

Sudan Black

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8
Q

demonstrate lipids that are resistant to paraffin embedding

A

Sudan black

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9
Q

stains phospholipids as well as neutral fats

A

sudan black B

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10
Q

does not stain crystalline cholesterol, and free fatty acids

A

sudan black B

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11
Q

it has no secondary amino group and it does not color phospholipids

A

sudan IV

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12
Q

Addition of ____________ intensifies fat and prevents rapid deterioration of the solutions

A

BENZOIC ACID

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13
Q

first Sudan dye; good as a fat stain for central nervous system tissues

A

Sudan III

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14
Q

giving a less deep and lighter orange stain

A

SUDAN III

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15
Q

CHEIF SOLVENTS USED FOR STAINS

A

water
alcohol
aniline water
phenol

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