Kumi Kamada

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A digital neurochip has been fabricated by using a 1.3- mu m CMOS gate array. Six neurons and 84 synapses are implemented in the chip. The output of each neuron is encoded by impulse density and each synapse has 64 levels of modifiable weight. By simply connecting chips, a neural network can be scaled up without limit. A neural network board has been made(More)
Trehalose 6,6'-dimycolate (TDM) is a cell surface molecule of Mycobacterium tuberculosis. TDM induced a loss of body weight and prominent granulomas in the liver and lungs by the intravenous injection of TDM into rabbits. TDM also induced atrophy of the thymus and spleen due to apoptosis. By contrast, sulfolipid (2,3,6, 6'-tetraacyl trehalose 2'-sulfate)(More)
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