<div align="justify">Scientists have created a skin patch that can power a radio for two days using human sweat, and may eventually be used to charge mobile devices while people are out for a run.<br /><br />The bio fuel patch may also provide a way to monitor glucose levels in people with diabetes, without needles and blood samples, researchers said.<br /><br />The skin patch developed by researchers from University of California, San Diego in the US is a flexible square just a couple of centimetres across and sticks to the skin.<br /><br />It contains enzymes that replace the precious metals normally used in batteries and uses sweat to provide power.<br /><br />Getting enough power out of a bio fuel cell to make it useful has proved tricky, but the latest version can extract 10 times more than before, researchers said.<br /><br />"We are now getting really impressive power levels. If you were out for a run, you would be able to power a mobile device," said Joseph Wang from the University of California, San Diego.<br /><br />Researchers used the lactate found in sweat to power their particular bio fuel cell, 'News Scientist' reported.<br /><br />The amount of lactate or lactic acid in sweat is also related to how efficiently a person's muscles are working, so could help give readings on an athlete's performance during exercise, researchers said.<br /><br />Similarly, levels of glucose in sweat are related to its concentration in the blood, they said. The findings were published in the journal Energy and Environmental Science.</div>
<div align="justify">Scientists have created a skin patch that can power a radio for two days using human sweat, and may eventually be used to charge mobile devices while people are out for a run.<br /><br />The bio fuel patch may also provide a way to monitor glucose levels in people with diabetes, without needles and blood samples, researchers said.<br /><br />The skin patch developed by researchers from University of California, San Diego in the US is a flexible square just a couple of centimetres across and sticks to the skin.<br /><br />It contains enzymes that replace the precious metals normally used in batteries and uses sweat to provide power.<br /><br />Getting enough power out of a bio fuel cell to make it useful has proved tricky, but the latest version can extract 10 times more than before, researchers said.<br /><br />"We are now getting really impressive power levels. If you were out for a run, you would be able to power a mobile device," said Joseph Wang from the University of California, San Diego.<br /><br />Researchers used the lactate found in sweat to power their particular bio fuel cell, 'News Scientist' reported.<br /><br />The amount of lactate or lactic acid in sweat is also related to how efficiently a person's muscles are working, so could help give readings on an athlete's performance during exercise, researchers said.<br /><br />Similarly, levels of glucose in sweat are related to its concentration in the blood, they said. The findings were published in the journal Energy and Environmental Science.</div>