News tagged with cell level
Quantum dots with built-in charge boost solar cell efficiency by 50%
(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating ...
May 13, 2011 |
4.9 / 5 (21) |
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Engineers use droplet microfluidics to create glucose-sensing microbeads
Tiny beads may act as minimally invasive glucose sensors for a variety of applications in cell culture systems and tissue engineering
May 18, 2012 |
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Researchers uncover secrets of 'miracle fruit'
(PhysOrg.com) -- Though not very well known in the United States, at least until the past few years, the miracle fruit is a cranberry like fruit that has the unique property of being able to make acidic or ...
Sep 27, 2011 |
4.9 / 5 (25) |
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Solar power goes viral: Modified virus improves solar-cell efficiency by one-third
(PhysOrg.com) -- Researchers at MIT have found a way to make significant improvements to the power-conversion efficiency of solar cells by enlisting the services of tiny viruses to perform detailed assembly ...
Nanotechnology / Nanomaterials
Apr 25, 2011 |
4.8 / 5 (21) |
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Researchers uncover potential 'cure' for type 1 diabetes
Type 1 diabetes could be converted to an asymptomatic, non-insulin-dependent disorder by eliminating the actions of a specific hormone, new findings by UT Southwestern Medical Center researchers suggest.
Medicine & Health / Medical research
Jan 26, 2011 |
4.5 / 5 (19) |
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Bacterial protein caught in the act of secreting sticky appendages
(PhysOrg.com) -- New atomic-level "snapshots" published in the June 2, 2011, issue of Nature reveal details of how bacteria such as E. coli produce and secrete sticky appendages called pili, which help the mi ...
Jun 01, 2011 |
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Choosing a Low Radiation Cell Phone
(PhysOrg.com) -- An Environmental Working Group (EWG) team has released a consumer guide on the radiation levels emitted by over 1,000 cell phones sold in the U.S. The guide is the most comprehensive ever ...
Electronics / Consumer & Gadgets
Sep 10, 2009 |
4.4 / 5 (12) |
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Star-shaped cells in the brain aid with learning
(PhysOrg.com) -- Every movement and every thought requires the passing of specific information between networks of nerve cells. To improve a skill or to learn something new entails more efficient or a greater ...
Medicine & Health / Neuroscience
Sep 07, 2009 |
4.9 / 5 (10) |
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RNA Interference Delivered Using Nanoparticles Hits Target in Human Patients
(PhysOrg.com) -- A multi-institutional team of researchers and clinicians has published the first proof that a targeted nanoparticle can traffic into tumors, deliver double-stranded small interfering RNAs (siRNAs), and turn ...
Nanotechnology / Bio & Medicine
Apr 21, 2010 |
4.9 / 5 (12) |
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Did Phosphorus Trigger Complex Evolution -- and Blue Skies?
(PhysOrg.com) -- The evolution of complex life forms may have gotten a jump start billions of years ago, when geologic events operating over millions of years caused large quantities of phosphorus to wash ...
Space & Earth / Earth Sciences
May 10, 2010 |
4.8 / 5 (15) |
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Plants use circadian rhythms to prepare for battle with insects
In a study of the molecular underpinnings of plants' pest resistance, Rice University biologists have shown that plants both anticipate daytime raids by hungry insects and make sophisticated preparations to ...
Feb 13, 2012 |
4.2 / 5 (5) |
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New tool for analyzing solar-cell materials
To make a silicon solar cell, you start with a slice of highly purified silicon crystal, and then process it through several stages involving gradual heating and cooling. But figuring out the tradeoffs involved ...
Technology / Energy & Green Tech
Feb 07, 2012 |
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Researchers discover the processes leading to acute myeloid leukemia
Researchers at UC Santa Barbara have discovered a molecular pathway that may explain how a particularly deadly form of cancer develops. The discovery may lead to new cancer therapies that reprogram cells instead ...
Jan 30, 2012 |
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Leptin-controlled gene can reverse diabetes
Researchers have found that even a very little bit of the fat hormone leptin goes a long way when it comes to correcting diabetes. The hormone controls the activity of a gene known as IGFBP2 in the liver, which has antidiabetic ...
Jan 05, 2010 |
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Researchers link calorie intake to cell lifespan, cancer development (w/ Video)
Researchers from the University of Alabama at Birmingham (UAB) have discovered that restricting consumption of glucose, the most common dietary sugar, can extend the life of healthy human-lung cells and speed ...
Medicine & Health / Medical research
Dec 17, 2009 |
4.5 / 5 (13) |
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