News tagged with diffraction limit
New nano color sorters from Molecular Foundry
Nov 12, 2009 |
4.3 / 5 (4) |
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Berkeley Lab researchers have engineered a new class of bowtie-shaped devices that capture, filter and steer light at the nanoscale. These "nano-colorsorter" devices act as antennae to focus and sort light ...
Novel Superlens Offers a Simplified Subwavelength Imaging Technique
May 11, 2009 |
4.3 / 5 (16) |
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(PhysOrg.com) -- Since the first demonstrations of subwavelength imaging just a few years ago, scientists have been making great improvements, developing a variety of new methods for realizing high-resolution imaging. Recently, ...
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Family life can lead to cannabis disorders
7 hours ago |
1.3 / 5 (8) |
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(PhysOrg.com) -- One in five young people experience a cannabis use disorder, according to a UQ and Mater Hospital study published today in the American Journal of Drug and Alcohol Abuse.
AT&T: Tighter control of cell data usage ahead
9 hours ago |
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(AP) -- Wireless data hogs who jam the airwaves by watching video on their iPhones will be put on tighter leashes, an AT&T Inc. executive said Wednesday.
Sonic Hedgehog variations linked to recurrence, survival and response to therapy of bladder cancer
11 hours ago |
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Genetic variations in the Sonic Hedgehog pathway increase the likelihood of recurrence, reduce survival time and limit response to therapy for people with non-muscle invasive bladder cancer, scientists from The University ...
Study highlights implications of influenza pandemics on blood supplies
17 hours ago |
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A German research team has examined data on supply and demand for blood transfusions against a computer simulation of an influenza pandemic, and discovered that a severe pandemic scenario could quickly lead to a deficit of ...
EU antitrust chief slams senators on Oracle deal
Dec 08, 2009 |
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(AP) -- The European Union's antitrust chief said Tuesday that U.S. senators who pressed her to approve Oracle Corp.'s takeover of Sun Microsystems Inc. should stop interfering in Europe's affairs and prioritize U.S. health ...
Swine flu toll includes a few pets
Dec 08, 2009 |
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(AP) -- A handful of pets have been sickened with swine flu in recent weeks, but here are doctors' orders: Wash your hands and don't panic.
Rapid cardiac biomarker testing system developed by Singapore scientists
Dec 08, 2009 |
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Scientists at Singapore's Institute of Microelectronics (IME) have developed a rapid and sensitive integrated system to test simultaneously for specific cardiac biomarkers in finger prick amount of blood.
Autologous stem cell transplantation for soft tissue sarcoma: insufficient research into therapy
Dec 08, 2009 |
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Due to a lack of suitable studies, it is unclear whether patients with soft tissue sarcoma can benefit from autologous haematopoietic stem cell transplantation. With this type of therapy, some of the patient's own (autologous) ...
Spices halt growth of breast stem cells, study finds
Dec 07, 2009 |
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A new study finds that compounds derived from the spices turmeric and pepper could help prevent breast cancer by limiting the growth of stem cells, the small number of cells that fuel a tumor's growth.
Scientists chase deadly MRSA bacteria with new models
Dec 07, 2009 |
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(PhysOrg.com) -- Ten years ago, Chicago hospitals were at ground zero when the deadly MRSA bacterium, till then confined to hospitals, learned some new tricks and spilled out into the community. This year, ...
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