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Article ID: 689807

Gut Reactions to Improve Probiotics

Biophysical Society

Researchers at Stanford University are studying how bacteria living in the gut respond to common changes within their habitat, working with mice. They change the gut environment within the mice, and then measure which bacterial species survive the change and how the gut environment itself has changed. They also study the physiological response of the bacteria -- if they grow faster or slower, or produce different proteins. The work was presented during the Biophysical Society Meeting, held Feb. 17-21.

Released:
20-Feb-2018 7:05 AM EST
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  • Embargo expired:
    19-Feb-2018 2:00 PM EST

Article ID: 689662

Real-Time Captcha Technique Improves Biometric Authentication

Georgia Institute of Technology

A new login authentication approach could improve the security of current biometric techniques that rely on video or images of users’ faces. Known as Real-Time Captcha, the technique uses a unique “challenge” that’s easy for humans — but difficult for attackers who may be using machine learning and image generation software to spoof legitimate users.

Released:
15-Feb-2018 9:05 PM EST
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Article ID: 689764

New Microfluidic Devices Help Athletes and Enhance Physical Rehab

Northwestern University

Northwestern teams with Gatorade, Seattle Mariners, the U.S. Air Force and Shirley Ryan AbilityLab; Wearable system measures sweat and sweat biomarkers; Soft, flexible device measures bodies’ response to exercise

Released:
19-Feb-2018 11:05 AM EST
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  • Embargo expired:
    19-Feb-2018 8:00 AM EST

Article ID: 689390

Electric Eel-Inspired Device Reaches 110 Volts

Biophysical Society

In an effort to create a power source for future implantable technologies, a team of researchers developed an electric eel-inspired device that produced 110 volts from gels filled with water, called hydrogels. Their results show potential for a soft power source to draw on a biological system’s chemical energy. Anirvan Guha will present the research during the 62nd Biophysical Society Annual Meeting, Feb. 17-21.

Released:
12-Feb-2018 2:05 PM EST
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  • Embargo expired:
    19-Feb-2018 8:00 AM EST

Article ID: 689713

An Enzyme’s Evolution from Changing Electric Fields and Resisting Antibiotics

Biophysical Society

Bacteria can produce enzymes that make them resistant to antibiotics; one example is the TEM beta-lactamase enzyme, which enables bacteria to develop a resistance to beta-lactam antibiotics, such as penicillin and cephalosporins. Researchers at Stanford University are studying this area -- how an enzyme changes and becomes antibiotic-resistant -- and will present their work during the Biophysical Society’s 62nd Meeting, held Feb. 17-21, 2018.

Released:
16-Feb-2018 1:05 PM EST
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  • Embargo expired:
    18-Feb-2018 5:30 PM EST

Article ID: 689672

Why Bees Soared and Slime Flopped as Inspirations for Systems Engineering

Georgia Institute of Technology

Honeybee behavior inspired a web hosting algorithm that saved significant costs. Nature can serve as a wonderful model for engineering, but it can also flop. Take slime mold: As a model for connectivity, it falls flat in comparison with classical algorithms.

Released:
16-Feb-2018 9:05 AM EST
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  • Embargo expired:
    18-Feb-2018 8:00 AM EST

Article ID: 689546

Studying Mitosis’ Structure to Understand the Inside of Cancer Cells

Biophysical Society

Cell division is an intricately choreographed ballet of proteins and molecules that divide the cell. During mitosis, microtubule-organizing centers assemble the spindle fibers that separate the copying chromosomes of DNA. While scientists are familiar with MTOCs’ existence and the role they play in cell division, their actual physical structure remains poorly understood. Researchers are now trying to decipher their molecular architecture, and they will present their work during the 62nd Biophysical Society Annual Meeting, held Feb. 17-21.

Released:
14-Feb-2018 11:05 AM EST
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  • Embargo expired:
    18-Feb-2018 8:00 AM EST

Article ID: 689568

What Makes Circadian Clocks Tick?

Biophysical Society

Circadian clocks arose as an adaptation to dramatic swings in daylight hours and temperature caused by the Earth’s rotation, but we still don’t fully understand how they work. During the 62nd Biophysical Society Meeting, held Feb. 17-21, Andy LiWang, University of California, Merced, will present his lab’s work studying the circadian clock of blue-green colored cyanobacteria. LiWang’s group discovered that how the proteins move hour by hour is central to cyanobacteria’s circadian clock function.

Released:
14-Feb-2018 3:25 PM EST
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  • Embargo expired:
    18-Feb-2018 8:00 AM EST

Article ID: 689597

Using Mutant Bacteria to Study How Changes in Membrane Proteins Affect Cell Functions

Biophysical Society

Phospholipids are water insoluble “building blocks” that define the membrane barrier surrounding cells and provide the structural scaffold and environment where membrane proteins reside. During the 62nd Biophysical Society Annual Meeting, held Feb. 17-21, William Dowhan from the University of Texas-Houston McGovern Medical School will present his group’s work exploring how the membrane protein phospholipid environment determines its structure and function.

Released:
15-Feb-2018 8:05 AM EST
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  • Embargo expired:
    17-Feb-2018 10:00 AM EST

Article ID: 689683

Unprecedented Study of Picasso's Bronzes Uncovers New Details

Northwestern University

An international collaboration of art and science researchers use cutting-edge portable instruments to analyze world-renowned Pablo Picasso bronzes and sculpture, revealing their materials and casting process.

Released:
16-Feb-2018 10:00 AM EST
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