. Cell chemistry; a collection of papers dedicated to Otto Warburg on the occasion of his 70th birthday. Warburg, Otto Heinrich, 1883-; Biochemistry. 294 B. CHANCE, L. SMITH, L. CASTOR VOL. 12 (1953) causing photodissociation are operated on well-filtered direct current, there is no alter- nating component of the yellow light that leaks through the filters. By means of these three design factors, the filtered light from a 100 watt Na or Hg lamp a few inches from the sample cell causes no deflection of the trace of the spectro- photometer. The only detectable effect of the light leakage is an i
. Cell chemistry; a collection of papers dedicated to Otto Warburg on the occasion of his 70th birthday. Warburg, Otto Heinrich, 1883-; Biochemistry. 294 B. CHANCE, L. SMITH, L. CASTOR VOL. 12 (1953) causing photodissociation are operated on well-filtered direct current, there is no alter- nating component of the yellow light that leaks through the filters. By means of these three design factors, the filtered light from a 100 watt Na or Hg lamp a few inches from the sample cell causes no deflection of the trace of the spectro- photometer. The only detectable effect of the light leakage is an increase in the shot noise output of the photoelectric circuit. A t5^pical record of the photodissociation and recombination of the CO compound in bakers' yeast cells is shown in Fig. 5. Starting with the steady-state oxidized yeast cells in the presence of alcohol, reduction of cytochrome a^ causes the abrupt increase of optical density at 445 m^u. (with respect to 480 m/x) as indicated by the downward sweep of the trace. Illumination of the cells with the Na arc at this time results in no. 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 Burk, Dean. Amsterdam, Houston, Elsevier Pub. Co.
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