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BIEN 210 > Lecture 5 > Flashcards

Lecture 5 Flashcards

1
Q

Beer-Lambert’s Law

A
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2
Q

Biomaterials and scattering

A

Absorption of light in biological systems is due to the presence of these molecules
pyroles
porphyrins
heme
chlorophyll
cytochromes
phycobiliproteins
carotenoids
ferredoxins
flavinx
melanin

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3
Q

Lipid

A

lipids are the main scatterers and their relative content depends on the tye of tissue

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4
Q

scattering

A

scattering depends on the type/size of scatter

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5
Q

Transmittancen

A

Transmittance is the measure of how much light from a light source is able to pass through a material to the other side. Thi an be thought of in two ats
How much light is NOT being absorbed
○ How much light is NOT being scattered

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6
Q

mean free path

A

Refractive index variations
● Size of scatterer (mie or rayleigh)
● Wavelength (longer wavelength, greater
mean free path)

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BIEN 210 (9 decks)

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