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Record 23 of 246
Refractive index of plant cell walls
Author and Affiliation:
Gausman, H. W.
Allen, W. A.
Escobar, D. E.(U.S. Department of Agriculture, Weslaco, Tex., United States)
Abstract: Air was replaced with media of higher refractive indices by vacuum infiltration in leaves of cucumber, blackeye pea, tomato, and string bean plants, and reflectance of noninfiltrated and infiltrated leaves was spectrophotometrically measured. Infiltrated leaves reflected less light than noninfiltrated leaves over the 500-2500-nm wavelength interval because cell wall-air interfaces were partly eliminated. Minimal reflectance should occur when the average refractive index of plant cell walls was matched by the infiltrating fluid. Although refractive indices that resulted in minimal reflectance differed among the four plant genera, an average value of 1.425 approximates the refractive index of plant cell walls for the four plant genera.
Publication Date: Jan 01, 1974
Document ID:
19740034172
(Acquired Dec 04, 1995)
Accession Number: 74A16922
Subject Category: PHYSICS, GENERAL
Document Type: Journal Article
Publication Information: Applied Optics; 13; Jan. 197
Publisher Information: United States
Contract/Grant/Task Num: NASA ORDER R-09-038-002
Financial Sponsor: NASA; United States
Description: 3p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: CELLS (BIOLOGY); LEAVES; PLANTS (BOTANY); REFRACTIVITY; OPTICAL MEASUREMENT; SPECTRAL REFLECTANCE; SPECTROPHOTOMETRY; WALLS
Imprint And Other Notes: Applied Optics, vol. 13, Jan. 1974, p. 109-111. NASA-supported research
Miscellaneous Notes: p. 109-111. NASA-supported researc
Availability Source: Other Sources
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