. Cell chemistry; a collection of papers dedicated to Otto Warburg on the occasion of his 70th birthday. Warburg, Otto Heinrich, 1883-; Biochemistry. 332 M. WOODS, K. WIGHT, J. HUNTER, D. BURK VOL. 12 (1953) with brain slices in Hank-Simms medium the average control Qq^^ was (range to ) and the addition (before placing vessels at 38° C) of mg of phenol per ml raised the (^co, ^^ 5-25 (range to ). x\ddition of a commercial insulin prepara- tion to give an equivalent concentration of phenol raised the 0^5, to a similar level, ().In the ab- se


. Cell chemistry; a collection of papers dedicated to Otto Warburg on the occasion of his 70th birthday. Warburg, Otto Heinrich, 1883-; Biochemistry. 332 M. WOODS, K. WIGHT, J. HUNTER, D. BURK VOL. 12 (1953) with brain slices in Hank-Simms medium the average control Qq^^ was (range to ) and the addition (before placing vessels at 38° C) of mg of phenol per ml raised the (^co, ^^ 5-25 (range to ). x\ddition of a commercial insulin prepara- tion to give an equivalent concentration of phenol raised the 0^5, to a similar level, ().In the ab- sence of phenol, increasing the magnesium level from mg to mg per ml in three typical experiments increased the Qq^^ an average of 200 % (range 131 to 268 %). With the same preparations, an identical in- crease in magnesium level in the presence of mg phenol per ml, gave an average Fig. I. Influence of magnesium level and phenol plus insulin (= commercial insulin) on rates of anaerobic acid production (solid lines) by mouse brain slices in Hank-Simms solution plus M KHCO3 and % dextrose. B, with phenol, mg and insulin, 4 units per ml (= commercial insulin); A, control minus phenol and insulin. The rate of decay in acid production (dotted line) is represented by the 0^6, obtained for the period o to 66 minutes divided by the (?c6., ^o^ the period 66 to 152 minutes. Gas phase 95% Ng^-^^S/o 04 Milligrams magnesium per cc Brain Anaerobic Glycotysis. 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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