Word: formalin
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Dates: during 1920-1929
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...dead bacteria of the same disease. But the acid-fast germs are encased in or contain fatty cells called " lipoids," which resist digestion when injected into the body and thus generate no antibodies. Dreyer's idea is to pickle the serum consisting of dead tubercle bacilli in formalin, a solution of formaldehyde. This eats away the fatty cells of the tubercle bacillus, which can then be digested by the body juices, and calls forth a plentiful supply of the antibodies when injected. They in turn attack and destroy the living germs of the disease. Dreyer inoculated three tuberculous guinea...