11 Current news of Brown University

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Caught in the act: Images capture molecular motions in real time

15-Jul-2019

Researchers have used ultra-high-speed x-ray pulses to make a high-resolution "movie" of a molecule undergoing structural motions. The research, published in Nature Chemistry, reveals the dynamics of the processes in unprecedented detail -- capturing the excitation of a single electron in the ...

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Spaced-out nanotwins make for stronger metals

06-Nov-2018

Researchers from Brown University and the Institute of Metals Research at the Chinese Academy of Sciences have found a new way to use nanotwins -- tiny linear boundaries in a metal's atomic lattice that have identical crystalline structures on either side -- to make stronger metals. The ...

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How order first appears in liquid crystals

24-May-2018

Liquid crystals undergo a peculiar type of phase change. At a certain temperature, their cigar-shaped molecules go from a disordered jumble to a more orderly arrangement in which they all point more or less in the same direction. LCD televisions take advantage of that phase change to project ...

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A new way to stimulate cellular recycling process

18-May-2018

Brown University researchers studying the biology of aging have demonstrated a new strategy for stimulating autophagy, the process by which cells rebuild themselves by recycling their own worn-out parts. In a study the researchers show that the approach increased the lifespans of worms and flies, ...

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New approach to measuring stickiness could aid micro-device design

09-Mar-2018

Brown University engineers have devised a new method of measuring the stickiness of micro-scale surfaces. The technique could be useful in designing and building micro-electro-mechanical systems (MEMS), devices with microscopic moving parts. At the scale of bridges or buildings, the most ...

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Enzyme shown to regulate inflammation and metabolism in fat tissue

12-Jan-2018

The human body has two primary kinds of fat--white fat, which stores excess calories and is associated with obesity, and brown fat, which burns calories in order to produce heat and has garnered interest as a potential means of combating obesity. Now, a study led by Brown University researchers ...

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Computer models provide new understanding of sickle cell disease

01-Aug-2017

Computer models developed by Brown University mathematicians show new details of what happens inside a red blood cell affected by sickle cell disease. The researchers said they hope their models will help in assessing drug strategies to combat the genetic blood disorder, which affects millions of ...

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Cocoa compound linked to some cardiovascular biomarker improvements

17-Oct-2016

To the tantalizing delight of chocolate lovers everywhere, a number of recent studies employing various methods have suggested that compounds in cocoa called flavanols could benefit cardiovascular health. Now a systematic review and meta-analysis of 19 randomized controlled trials (RCTs) of cocoa ...

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Researchers develop key power-splitting component for terahertz waves

01-Jul-2016

One of the most basic components of any communications network is a power splitter that allows a signal to be sent to multiple users and devices. Researchers from Brown University have now developed just such a device for terahertz radiation -- a range of frequencies that may one day enable data ...

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In wide range of species, longevity proteins affect dozens of the same genes

15-Apr-2016

Whether a creature is a worm, a fly, a mouse, or a human, death inevitably awaits. And not only do these organisms share a common fate, but also, according to a new study, they may share some of the specific mechanisms of mortality. The researchers found that in all four species, there are 46 ...

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