. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OD. OD 407 400 450 500 550 600 4OO Wavelength, run 450 500 550 600 Figure 1. Optical difference spectra of living Solcmya rciiti tissues. Designated wavelength maxima are discussed in detail in text. Traces in the visible region have been amplified four-fold in Figures 1A-C. fold in Figure ID. and two-fold in Figure IE. A. Bacteriocyte domain of gill filaments equilibrated with nitrogen minus the same sample equilibrated with air. The contribution of deoxyhemoglobin minus oxyhemoglobin dominates the differenc
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. OD. OD 407 400 450 500 550 600 4OO Wavelength, run 450 500 550 600 Figure 1. Optical difference spectra of living Solcmya rciiti tissues. Designated wavelength maxima are discussed in detail in text. Traces in the visible region have been amplified four-fold in Figures 1A-C. fold in Figure ID. and two-fold in Figure IE. A. Bacteriocyte domain of gill filaments equilibrated with nitrogen minus the same sample equilibrated with air. The contribution of deoxyhemoglobin minus oxyhemoglobin dominates the difference spectrum, with diagnostic maxima at 412, 435. 540. and 580 nm. B. Bacteriocyte domain of gill filaments equilibrated with 20'? air containing torr sulfide minus the same sample equilibrated with 20% air. The dominant spectral species is identified as a reduced minus oxidized cytochrome r552, ascribed to bacterial cytochrome c'552. C. Bacteriocyte domain of gill filaments equilibrated with nitrogen minus the same sample equilibrated w ith 20'7 air, from which a difference spectrum of purified deoxyhemoglobin minus oxyhemoglobin, computed to be equivalent to the hemoglobin content in gills, was subtracted. The wavelength maxima indicated were confirmed in the second derivative of this difference spectrum. Features are ascribed to bacterial cytochrome (55: and to a cytochrome b (566 nm). The feature at 586 nm is not Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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