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Science 19 October 1979:
Vol. 206. no. 4416, pp. 333 - 335
DOI: 10.1126/science.206.4416.333
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Articles

Nitrogen-15 Dioxide Uptake and Incorporation by Phaseolus vulgaris (L.)

HUGO H. ROGERS 1, JANET C. CAMPBELL 1, and RICHARD J. VOLK 2

1 Atmospheric/Vegetation Effects Research, AR-SEA-USDA, and Botany Department, North Carolina State University, Raleigh 27650
2 Soil Science Department, North Carolina State University

The sorption rate and metabolic fate of nitrogen dioxide, a major air pollutant, have been determined for Phaseolus vulgaris (L.). Sorption was determined kinetically by chemiluminescent monitoring of 15NO2 removal from the test atmosphere and directly by mass spectrometric analysis of nitrogen derived from the plant tissue. Sorptive processes were first order with respect to 15NO2 concentration. Virtually all of the 15NO2 taken up was metabolized.

Submitted on June 26, 1979

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Science. ISSN 0036-8075 (print), 1095-9203 (online)