Blue A Dyestuff that Made Medical History

Methylene Blue A Dyestuff that Made Medical History 

The young country doctor Robert Koch discovered the tubercle bacillus with I he help ol methylene blue. He demonstrated that the smallest forms of life are the source of all infectious diseases. One of his pupils was Paul Ehrlich, who one day noticed that methylene blue had a surprising affinity for living cells, which it colored an intense blue. If only certain cells are colored , thought Ehrlich, then may there not be dyestuffs which color only the carriers of illnesses and at the same rime destroy ilieiii without attacking the body s own cells  

The revolutionary idea led to die development of chemotherapy, one of the greatest advances in medical science. 

2-L round-bottomed flask with lubhei stopper, cork ring, thermometer, tripod with wire gauze, stand, stopwatch, safety glasses, protective gloves. 

Glucose, NaOH pellets, distilled water, 0.2% aqueous. soliu.ion oi methylene blue. 

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