. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. REMINISCENCES ON SZENT-GYORGYI 225 (Nature, August 9, 1941), that described more clearly than my lecturers had done the concept of electron en- ergy bands in crystals. Furthermore, these concepts were being applied to the understanding of biological activity some six years before their practical application in tran- sistors. The article concludes with the statement: "Bio- chemistry is, at present, in a peculiar state. By means of our active substances we can produce the most astound- ing biological reactions, but we fai


. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. REMINISCENCES ON SZENT-GYORGYI 225 (Nature, August 9, 1941), that described more clearly than my lecturers had done the concept of electron en- ergy bands in crystals. Furthermore, these concepts were being applied to the understanding of biological activity some six years before their practical application in tran- sistors. The article concludes with the statement: "Bio- chemistry is, at present, in a peculiar state. By means of our active substances we can produce the most astound- ing biological reactions, but we fail wherever a real expla- nation of molecular mechanisms is wanted. It looks as if some basic fact about life were still missing, without which any real understanding is impossible. It may be that the knowledge of common energy-levels will start a new period in biochemistry, taking this science into the realm of quantum ; At that moment, I knew the path I wanted to follow. Thirteen years were to pass before I had the opportunity to meet "; Prof was approaching his 82nd birthday when I could witness first hand his energetic and philosophical re- search style. Within minutes of first setting foot in his laboratory he had Jane McLaughlin helping in the prepa- ration of a dazzling array of color-producing reactions. Most of all I was intrigued by his preparations of colored proteins. Back in Wales, my young colleague Peter Gas- coyne was in the second year of his research into the dielectric and hydration properties of protein charge- transfer complexes. At that time the best we could man- age was to change "white" proteins into ones having a slight purple tinge. Here I was being shown yellow, brown, and even black proteins, prepared under gentle conditions. A black protein structure suggested one con- taining a large number of free radicals. Could the energy levels available to these unpaired electrons possibly be such as to allow them a


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Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology