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Fri, 09 Oct 2015 10:22:51 EDT
Ductal carcinoma in situ treatments evolve over 20 years, but cancer death rates vary little
Treatment patterns for ductal carcinoma in situ (DCIS) have shifted since the 1990s, with more U.S. women opting for lumpectomy in combination with radiation rather than single-breast mastectomy, according to a study. But the researchers also found an increased tendency for women to seek removal of both breasts, despite their analysis that cancer survival rates remained similar regardless of the form of treatment.
Fri, 09 Oct 2015 10:20:43 EDT
When should pediatric residents consult supervisors on issues that come up after hours?
While resident physicians responsible for the care of hospital patients are always able to call a supervising senior physician for advice on handling situations that may come up, which situations require immediate consultation and which can wait until the next day can sometimes be unclear. A new study finds significant discrepancies between pediatric residents and supervising physicians regarding when supervisors should be called to help with specific after-hours situations.
Fri, 09 Oct 2015 10:20:41 EDT
Magnet hospitals better patient experiences may positively enhance reimbursement
A new study shows that Magnet hospitals nationally accredited for nursing excellence have higher patient ratings of care than other hospitals. The study suggests that hospitals seeking to improve patient satisfaction, and qualify for new financial incentives, would be well advised to consider investing in nursing excellence.
Fri, 09 Oct 2015 10:20:35 EDT
Scientists pave way for diamonds to trace early cancers
Physicists have devised a way to use diamonds to identify cancerous tumors before they become life threatening. Their findings reveal how a nanoscale, synthetic version of the precious gem can light up early-stage cancers in non-toxic, non-invasive Magnetic Resonance Imaging (MRI) scans.
Fri, 09 Oct 2015 10:20:29 EDT
Adoption of streamlined breast cancer treatment has stagnated, study finds
It was hoped that the development of accelerated partial breast irradiation would increase the number of early-stage breast cancer patients getting radiation treatment. A new study, however, has found that adoption of the technique has stagnated -- and many women still aren't getting the radiation treatment that could save their lives.
Fri, 09 Oct 2015 08:34:00 EDT
Electronics get a power boost with the addition of simple material
Materials scientist have just discovered a way to give the workhorse transistor a big boost, using a new technique to incorporate vanadium oxide, one of a family of materials called functional oxides, into the device.
Fri, 09 Oct 2015 08:33:00 EDT
Controllable protein gates deliver on-demand permeability in artificial nanovesicles
Researchers have succeeded in building protein gates for artificial nano-vesicles that become transparent only under specific conditions. The gate responds to certain pH values, triggering a reaction and releasing active agents at the desired location.
Fri, 09 Oct 2015 08:32:58 EDT
Relationship between carnivorous plants and fire
Researchers describe the ecological peculiarities of Drosophyllum lusitanicum, a plant which feeds on insects it has attracted by producing a sweet smell.
Fri, 09 Oct 2015 08:32:54 EDT
Could ‘The Day After Tomorrow’ happen?
A researcher has produced a scientific study of the climate scenario featured in the disaster movie 'The Day After Tomorrow'. In the 2004 film, climate warming caused an abrupt collapse of the Atlantic meridional overturning circulation (AMOC), leading to catastrophic events such as tornadoes destroying Los Angeles, New York being flooded and the northern hemisphere freezing. Although the scientific credibility of the film drew criticism from climate scientists, the scenario of an abrupt collapse of the AMOC, as a consequence of anthropogenic greenhouse warming, was never assessed with a state-of-the-art climate model.Now scientists have found that, for a period of 20 years, the earth will cool instead of warm if global warming and a collapse of the AMOC occur simultaneously.
Fri, 09 Oct 2015 08:32:01 EDT
Cell cytoplasm: Floppy but fast
Inside cells, communication between the nucleus, which harbors our precious genetic material, and the cytoplasm is mediated by the constant exchange of thousands of signaling molecules and proteins. Until now, it was unknown how this protein traffic can be so fast and yet precise enough to prevent the passage of unwanted molecules. Through a combination of computer simulations and various experimental techniques, researchers have now solved this puzzle: A very flexible and disordered protein can bind to its receptor within billionths of a second.
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