An ultrasonic image of arteriosclerotic deposits.
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Biomedical subjects
Publications and source records attributed to F S Barnes.
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We wish to report the development of an assay system for the study of white blood cells in vitro. With this system we have demonstrated that a yet unidentified substance found in red blood cell membranes and cyclic adenosine monophosphate (cAMP) cause the chemotactic response in white blood cells. We have not yet determined whether the substance released from the membrane is cAMP.
A mathematical theory for the motion of polynuclear leukocytes after the laser irradiation of a red blood cell is derived and compared with the measured movement of a number of cells. An estimate is made on the diffusion constant and the molecular size for the unknown material which communicates the information on the irradiation of the red blood cell to the leukocyte.
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