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Science 15 December 1978:
Vol. 202. no. 4373, pp. 1189 - 1192
DOI: 10.1126/science.202.4373.1189
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Articles

Polychlorinated Biphenyls: Transfer from Microparticulates to Marine Phytoplankton and the Effects on Photosynthesis

LAWRENCE W. HARDING JR. 1 and JOHN H. PHILLIPS JR. 1

1 Hopkins Marine Station, Stanford University, Pacific Grove, California 93950

Polychlorinated biphenyls (PCB's) initially associated with microparticulates are incorporated into marine diatom cells. The time course of transfer is rapid; equilibrium is attained within several hours. Assays with chlorophyll a fluorescence in vivo indicate that the transferred PCB's reach sites in the photosynthetic machinery that are sensitive to the effects of these compounds.

Submitted on February 24, 1978
Revised on June 27, 1978

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