News tagged with negative charge
Yeast in a shell: Coating individual living yeast cells with silicon dioxide
Nov 03, 2009 |
4.3 / 5 (3) |
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(PhysOrg.com) -- Our breakfast egg is a peculiarity of nature: a single cell protected by a thin mineral layer. Apart from a number of tiny radiolaria and diatoms, individual cells normally do not have a hard shell. Korean ...
How Small is Too Small? Researchers Find that Polarization Changes at the Nanoscale
Sep 08, 2008 |
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(PhysOrg.com) -- How small is too small to be useful? Researchers at North Carolina State University have done nanoscale analysis on ferroelectric thin films – materials that are used in electronic devices from computer ...
Exploding chromosomes fuel research about evolution of genetic storage
Aug 21, 2008 |
4.5 / 5 (4) |
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Human cells somehow squeeze two meters of double-stranded DNA into the space of a typical chromosome, a package 10,000 times smaller than the volume of genetic material it contains.
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What connects the elderly and sports people? Smart sensor technology
4 hours ago |
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Innovative smart sensing devices promise to boost mobility and quality of life for the elderly, reduce healthcare costs and even give sports people an edge through more effective training.
Broken genomes behind breast cancers
20 hours ago |
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The first detailed search of breast cancer genomes to uncover genomic rearrangements is published today. The team characterised the ways in which the human genome is broken and put back together in 24 cases of breast cancer.
Psychologists show that future-minded people make better decisions for their health
Medicine & Health / Psychology & Psychiatry
22 hours ago |
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When New Year's Eve rolls around and you're deciding whether to have another glass of champagne, your decision may be predicted by your perspective of the future.
Taiwan unveils Asia's biggest solar plant: govt
Dec 23, 2009 |
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Taiwan has unveiled what it calls Asia's biggest solar power plant as the island, which imports almost all its energy, seeks to tap into clean renewable resources, the government said Wednesday.
Researcher finds success with new anti-cancer drug
Dec 22, 2009 |
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A study conducted at Scott & White Healthcare in Temple, Texas, found that a new drug stopped the growth of breast tumors in mice. This drug is unique in that it works both by stopping the cancer cells from growing and metastasizing ...
Adjusting acidity with impunity
Chemistry / Analytical Chemistry
Dec 22, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- How do individual cells or proteins react to changing pH levels? Researchers at the MESA+ Institute for Nanotechnology at the University of Twente, The Netherlands, have developed a technique ...
Nobel Physics laureates undeserving, colleagues say: report
Dec 22, 2009 |
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Former colleagues of two American scientists who won the 2009 Nobel physics prize say the winners, Willard Boyle and George Smith, did not deserve the award, Canada's Globe and Mail reported Tuesday.
Accelerators and Light Sources of Tomorrow (Part 2: Accelerating with Light)
Dec 22, 2009 |
4.8 / 5 (6) |
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Accelerators are far from achieving the highest energies their builders aspire to, but size and cost may limit the kinds of facilities funding agencies can support. In the future, new kinds of machines will ...
Accelerators and Light Sources of Tomorrow (Part 1: From Linacs to Lasers)
Dec 22, 2009 |
4.6 / 5 (5) |
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From their humble beginnings as offshoots of the ordinary electric light bulb, particle accelerators have evolved in surprising directions. Among the most productive and promising developments have been light ...
New insight in nerve cell communication
Medicine & Health / Neuroscience
Dec 22, 2009 |
4 / 5 (1) |
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Communication between nerve cells is vital for our bodies to function. Part of this communication happens through vesicles containing signalling molecules called neurotransmitters. The vesicle fuses with the ...
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