Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . s^Vk Fig. 3.—EixHORN Saccharometer. Fig. 4.—Illustrating Different StagesIN Fermentation. 14. Demonstration of Optical Activity.—A demonstration of the use of thepolariscope, by the instructor, each student being required to take readings andcompute the specific rotation. Use of the Polariscope For a detailed description of the different forms of polariscopes, themethod of manipulation and the principles involved, the student isreferred to any stand
Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . s^Vk Fig. 3.—EixHORN Saccharometer. Fig. 4.—Illustrating Different StagesIN Fermentation. 14. Demonstration of Optical Activity.—A demonstration of the use of thepolariscope, by the instructor, each student being required to take readings andcompute the specific rotation. Use of the Polariscope For a detailed description of the different forms of polariscopes, themethod of manipulation and the principles involved, the student isreferred to any standard text-book of physics. A brief description fol-lov^^s: An ordinary ray of light vibrates in every direction. If such a 1 The findings of Neuberg and associates- indicate that the liberation of carbon di-oxide by yeast is not necessarily a criterion of the presence of sugar. The presence ofan enzyme called carftovy/fl^e has been demonstrated in yeast which has the power ofsplitting off C02 from the carboxyl group of amino-and other aliphatic acids. ^ Neuberg and .Associates: Biochcm. Zcitscli., 31, 170; 32, T,2y, 36, (60, 68, 76), 1
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbiochem, bookyear1916
