Chart Flashcards

1
Q
BrightField 
Cells
Stained
image
How does the object and Background appear?
What cell structure can be seen?
A
Dead
Stained
2D
Dark objects are visible against bright background
None
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2
Q
Dark Field Illumination 
Cells
Stained 
image
How does the object and background appear?
What cell structure can be seen?
A
Live
None
2D
Light objects are visible against dark background 
Cilia and Flagella
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3
Q
Phase Contrast
Cells
Stained
image
How does the object and background appear?
What cell Structure can be seen?
A
Live
None 
2D
None
Cilia and Flagella clearly than darkfield
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4
Q
Differential Interference Contrast
Cells
Stained
image
How does the object and background appear?
What cell Structure can be seen? 
Use/Resolution
A

Live
None
3D
None

Cilia and Flagella better than darkfield/phase contrast
Best Resolution

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5
Q
Fluorescence 
Cells
Stained
image
How does the object and background appear?
What cell Structure can be seen?
Use/Resolution
A

Dead
Fluorescent dye creates visible light
2D
None

None
Quick diagnosis of TB/Syphilis

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6
Q
Transmission Electron 
Cells
Stained
image
How does the object and background appear?
What cell Structure can be seen?
Use/Resolution
A

Dead
Heavy metal salt
2D
None

Organelles
Best resolution of all

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7
Q
Scanning Electron 
Cells
Stained
image
How does the object and background appear?
What cell Structure can be seen?
Use/Resolution
A

Dead
None
3D
None

Surface view only
None

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8
Q
Scanning Probe 
Cells
Stained
image
How does the object and background appear?
What cell Structure can be seen?
Use/Resolution
A

Specimen is scanned, image is sent to comp.
None
None
None

None
Two Drawbacks
1. Slower in acquiring images
2. Max images size is smaller.

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