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Category: Research News

U of A Researchers Receive Grant to Study Effects of Concussions on Brain

Two biomedical engineering professors at the University of Arkansas have been awarded $375,000 from the National Science Foundation to study how repeated injuries over time impact the human brain. Associate professors Kartik Balachandran and Jeffrey Wolchok in the College of Engineering received the grant as part of a three-year project to investigate what happens to the brain when it receives multiple non-severe injuries, such as concussions. It’s a research area with wide implications, but one that has received little attention from the research community. “There’s been a lot of importance given to studying severe traumatic brain injuries, but this...

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New Method Could Improve Longevity and Lessen Wear of Artificial Hips

  Mechanical engineering researchers have developed a method that could extend the life of an artificial hip by adding an array of microscopic indentations that increase the thickness of a lubricating film on its surface. “Lubrication plays a key role in the wear process of the implanted joint interface,” said Min Zou, professor of mechanical engineering. “But this mechanism is challenging to understand because of the complex nature of the viscous fluid used for lubrication. Our study reveals promising results for understanding this mechanism better and significantly improving implants.” Each year in the United States, orthopedic surgeons perform more...

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Chemists Develop Improved Method to Create Artificial Photosynthesis

Researchers covered glass and polymer nanospheres with a thin layer of zinc oxide (left). After the polymer spheres were dissolved (right), they had a material that could act as a photoanode. A team of chemistry and chemical engineering researchers at the University of Arkansas has developed a method of creating materials for artificial photosynthesis that is more efficient and cost-effective than current methods. Plants use photosynthesis to convert sunlight into chemical energy, which they store in the form of sugars or fatty acids. A device known as an artificial leaf mimics this natural process, providing a reliable, economical and...

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Oversharing Can Have Consequences, Research Says

Social media and digital communication tools make sharing private information easier than ever, but communication research suggests that people often fail to set clear expectations and boundaries when they share private information with friends and family. This prompted Lindsey Aloia to investigate how people react when information they consider secret is made public by someone they trust. Her results were published in Communications Studies. Aloia, an assistant professor of communication at the University of Arkansas, examined this question in the context of communication privacy management theory. According to this theory, private information is a possession, and when it is shared,...

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The University Relations Science and Research Team

Camilla Shumaker
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479-575-7422, camillas@uark.edu

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