Poor nutritional status is strongly associated with frailty in older adults. More research to understand the interdependency between nutritional status and frailty may lead to better management of the two geriatric conditions.
Frequent milk and milk products consumption is inversely associated with IADL disability in older men. Further research is needed to ascertain the protective effect of dairy products consumption on functional disability in older persons.
Changes in the electrical characteristics of individual ZnO nanowire (NW) devices when they are exposed to wet air (80% relative humidity, RH) at room temperature are investigated. Significant roughening on the surface of ZnO NWs is observed after they are exposed to wet air for more than tens of hours. I-V characteristics taken after exposure to humidity show positive shifts of the threshold voltages in ZnO NW field effect transistors (FETs), which indicate depletion of carriers. These results have implication about the long-term stability of such devices when they need to be in direct contact with the ambient environment for their operations.Surface roughening on a ZnO NW due to exposure to humidity (left) and corresponding changes in transfer characteristics of the device with its exposure time to humidity (right).
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