Researchers have taken a step forward in developing a new armband that can track the heart’s electrical activity without requiring bulky wiring or sticky gel on the skin.
Specifically, they determined the ideal placement for three electrodes in the band design, and how tightly the band needs to be to best detect electrical signals from the heart.
The findings are the latest advance in a multi-institutional effort to develop an armband that takes electrocardiogram, or ECG, measurements in order to track heart rate. Researchers ultimately envision a device that could be worn as an arm sleeve throughout the day. Energy from body heat or movement would supply the power.
Widespread Phagocytosis Among Green Algae: Press Release amnh.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from amnh.org Daily Mail and Mail on Sunday newspapers.
Matt Norwood, Darling Marine Center Tue, 03/02/2021 - 7:30am
DMC student researcher Essie Martin of Newcastle collects water samples at the Darling Marine Center pier in Lowes Cove. DMC photo
University of Maine’s Darling Marine Center is recruiting student researchers to contribute to a diversity of marine and environmental research projects.
The DMC typically hosts 25 to 30 undergraduate researchers on the Walpole campus each summer. Student researchers work together with UMaine faculty and other DMC-based researchers on projects ranging from the fundamental biology of microorganisms active in the Damariscotta River estuary to studies of the ecology of oysters and lobsters, to the local economies and communities that farmed and wild-caught seafood support.
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IMAGE: A brightfield image of Pyramimonas parkeae (left) and a green fluorescence image of the same algae, revealing the ingested bacteria inside the cells (right). view more
Credit: N. Bock & E. Kim
New research suggests that the ability of green algae to eat bacteria is likely much more widespread than previously thought, a finding that could be crucial to environmental and climate science. The work, led by scientists at the American Museum of Natural History, Columbia University, and the University of Arizona, found that five strains of single-celled green algae consume bacteria when they are hungry, and only when those bacteria are alive. The study is published today in The
“Independent of each other, graphene and spintronics each possess incredible potential to fundamentally change many aspects of business and society. But if you can blend the two together, the synergistic effects are likely to be something this world hasn’t yet seen, ”
Nargess Arabchigavkani, postdoctoral research associate
SUNY Polytechnic Institute
Graphene is incredibly strong, lightweight, conductive … the list of its superlative properties goes on.
It is not, however, magnetic a shortcoming that has stunted its usefulness in spintronics, an emerging field that scientists say could eventually rewrite the rules of electronics, leading to more powerful semiconductors, computers and other devices.