• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.11
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• pp.5847-5855
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• 2013

The purpose of this research is to develop Dementia-diagnosis application program through inter-working between biometric sensors and smart phone with diagnostic programs. Receiving data from 2 biometric sensors, SpO2 and HRV(heart rate variability) with Bluetooth and adding scores from questionnaires and memory test game, smart phone can draw a final Dementia Index(DI). Simple clinical tests provided threshold for Dementia, and diagnosis was made by comparing the DI with the threshold. We performed testing on persons aged over 60 and found out the proposed application can be used to diagnose Dementia easily and quickly. Additionally, we have shown the potential of oxygen chamber combined with Dementia-diagnosis application as a medical equipment to ease or cure Dementia in its early stages.

• Journal of Life Science
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• v.17 no.4 s.84
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• pp.546-551
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• 2007

The purpose of this investigation was to determine the effect of feeding dried mackerel as a means of increasing the intake of these n-3 polyunsaturated fatty acids on fatty acid compositions in liver and nervous tissue. Twenty male mice aged at 4 weeks were fed on the control (5% palm oil, control group) and 5% dried mackerel diets (mackerel group) for four weeks. In fatty acid compositions of liver and cortex, levels of total n-3 fatty acid, specially docosahexaenoic (22:6n-3, DHA) and eicosapentaenoic (20:5n-3, EPA) acids, were increased in the mackerel group compared to the control group, while docosapentaenoic acid (22:5n-6, DPAn-6) levels were decreased (p<0.05). In cerebellum and retina, levels of DHA were not significantly different between the control and mackerel groups, but levels of total n-6 fatty acids and arachidonic acid (20:4n-6, AA) were decreased in the mackerel group. These results indicated that intake of 5% dried mackerel increased levels of n-3 polyunsaturated fatty acids in cortex. Thus, we will investigate the relationship between brain function and cortex fatty acid compositions following intake of mackerel by assessing discrimination leaning ability.