Download - CLASSIFICATION OF CELL TYPES
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CLASSIFICATION OF CELL TYPES
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Cell analogy: a cell factory
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Using cells to print 3D organs
http://www.ted.com/talks/anthony_atala_printing_a_human_kidney.html
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Parts of a light microscope
http://virtualurchin.stanford.edu/microscope.htm
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Parts Functions
?
1. Moves tube up and down to focus on specimen; use with low-power objective lens
? 2. source of light
?3. moves tube up and down for SHARP
focus on specimen
? 4. support the eyepiece
?5. regulate the amount of light reaching
specimen
? 6. change the objective lens
?7. enlarge images under 3 different
magnifications (x4,x10,x40)
? 8. support the microscope slide
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Parts Functions
coarse adjustment knob
1. Moves tube up and down to focus on specimen; use with low-power objective lens
lamp 2. source of light
fine adjustment coarse
3. moves tube up and down for SHARP focus on specimen
Body tube/arm 4. support the eyepiece
diaphragm5. regulate the amount of light reaching
specimen
revolving nosepiece 6. change the objective lenses
objective lenses7. enlarge images under 3 different
magnifications (x10, x40, x100)
stage 8. support the microscope slide
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How to prepare a wet mount?
Glass slide
Cover slip
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Tranmission Electron Microscope (TEM)
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TEM image: chloroplast
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Scanning electron microscope (SEM)
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SEM images
E. coli
Dust mite
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I. SEM images: 1. ant, 2 & 4 pollens, 3. freshwater shrimp parasite, 5. greenbottle fly foot
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• Genus Demodex; live exclusively on human
• 2 species: D.folliculorum (top) and D.brevis (bottom)
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Future as a Microscope specialist
Jennifer Melo
Microscope Specialist/ Account Manager SW Ontario
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Practice: Use a Venn diagram to show both the different and similar organelles of plant and animal cells