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Self in Biological News

Gardening gives older adults benefits like hand strength and self esteem

Researchers at Kansas State University already have shown that gardening can offer enough moderate physical activity to keep older adults in shape. In research to be published in February in the journal HortScience , the researchers discovered that among the other health benefits of gardening ...

Single adult stem cell can self renew, repair tissue damage in live mammal

The first demonstration that a single adult stem cell can self-renew in a mammal was reported at the American Society for Cell Biology (ASCB) 48th Annual Meeting, Dec. 13-17, 2008 in San Francisco. The transplanted adult stem cell and its differentiated descendants restored lost function to mi...

Plants discriminate between self and non self

Two peas in a pod may not be so friendly when planted in the ground and even two parts of the same plant, once separated may treat the former conjoined twin as an alien "enemy," according to a Penn State researcher. "We were looking at how plants determine who is a competitor when competing with ...

Researchers develop 'brain-reading' methods

... task being undertaken. "You can't just pinpoint a specific area of the brain, for example, and say that is the area responsible for our concept of self or that part is the source of our morality," says Hanson. "It turns out the brain is much more complex and flexible than that. It has the ability to r...

Newly discovered reactions from an old drug may lead to new antibiotics

...the proof of principle that we are excited about," self said from his research lab at UCF. "No one has eve...ism of selenium before as a therapeutic approach," self said. "That's what's new and exciting and could le...ding of how the gold salt works for arthritis." self said more research is needed, and he already has a...

Studies shed light on collapse of coral reefs

...he world's most productive ecosystems, which can harbor more than 4,000 species of fish and many other marine life forms. But corals are not really self sufficient. Within their bodies they harbor highly productive algae a form of marine plant life that can "fix" carbon, use the energy of the sun to ...

Lice can be nice to us

...tween foreign invaders and its own body cells. But sometimes it can mistake self proteins for non self proteins triggering an attack on its own body and causing an autoimmune dis...

Scientists give a hand(edness) to the search for alien life

...mer says. But lifes self-assembly means they all would go one way. Its hard to imagine a planets surface exhibiting handedness without the presence of self assembly, which is an essential component of life. Because chiral molecules reflect light in a way that indicates their handedness, the research t...

Bird feathers produce color through structure similar to beer foam

...ufresne, lead author of the paper, is also interested in the potential technological applications of the finding. "We have found that nature elegantly self assembles intricate optical structures in bird feathers. We are now mimicking this approach to make a new generation of optical materials in the lab,"...

University of Kansas graduate student researcher takes aim at deadly brain tumors

...eing funded and recognized for its significance. She received a prestigious self Graduate Fellowship during her first year at KU. "That's a unique progr...he training that you need to be an effective leader you can get through the self Graduate Program. I don't know of any other universities that have that for...

April 2009 Geology and GSA Today media highlights

... the 87Sr/86Sr ratios of the mammoth skeletal remains, reflecting a change in the feeding area of the animals, from the vast plains of the continental self to the more mountainous area of present-day Wrangel Island. Renewed glacial activity during the Antarctic cold reversal and persistence of co...

Gene decides whether coral relative will fuse or fight

...tific exploration of such so-called allorecognition phenomena, which define self versus non-self. Despite the ubiquity of allorecognition in colonial org...nimals have evolved a variety of unique molecular mechanisms to distinguish self from non-self, including the MHC in vertebrates, VCBPs in protochordates, V...

Children who are dissatisfied with their appearance often have problems with their peer group

... Being satisfied with one's appearance is one of the most important prerequisites for a positive self image. However, in today's appearance culture it is the rule rather than the exception that children and young people are dissatisfied with their appe...

New tracking tags are providing fish-eye views of ways to manage depressed fisheries

...l temperature and ambient light, though the tuna must be recaptured to recover these data. TAG also uses a pop-up tag that is attached to the tuna but self releases, floats to the surface and transmits data on each tuna's external conditions via satellite. The tags help researchers estimate geo-locations ...

UConn chemists find secret to increasing luminescence efficiency of carbon nanotubes

...carbon nanotube) but is rather formed by a chemical "sleeve" comprised of a synthetic derivative of flavin (an analog of vitamin B2) that adsorbs and self organizes onto a conformal tube. Papadimitrakopoulos claims that this process of self-assembly is unique in that it not only forms a new structure b...

Mobile Communication Market Opens up for Biometrics - Precise Biometrics Awarded 1st Prize at GSMA World Mobile Congress

... check supporting airline services through the SIM card and NFC (Near Field Communication). It enables remote ticket purchase, automatic baggage drop, self service boarding and baggage reconciliation. All these services are secured by automated Match-on-Card biometric verification to enable a fully automa...

New method monitors critical bacteria in wastewater treatment

...nsor isn't new, but the technique for using it is," McLamore said. "Sensors have never been used this way to measure biofilm ammonia and nitrite flux. self referencing has been used in other applications but never in environmental studies." The same method also could be used to monitor other bacteria a...

Hispanic women and breast cancer: An understudied group

...ggressive in Hispanic women because they are waiting longer to receive treatment. The data show that 67 percent of breast cancer was found through self detection, while only 23 percent was found using screening mammography and six percent through a clinical examination. Among Hispanic women born in th...

Gardening gives older adults benefits like hand strength and self-esteem

...emaker said that differences between gardeners and non-gardeners showed up in a few health assessments like hand strength, overall physical health and self esteem, results from some of the other areas were more ambiguous. "If we had a larger sample I think we would see more health differences between t...

News from the November 2008 Journal of the American Dietetic Association

...tetic Association include: Cognitive, Behavioral and Social Factors are Associated with Bias in 9-11 Year Old Schoolchildren's Dietary Questionnaire self Reports Providing Obesity Prevention Counseling to Children During a Primary Care Clinic Visit: Results From a Pilot Study Grains Are Similarly Cate...

Bayhill Therapeutics and the Juvenile Diabetes Research Foundation announce research collaboration

... for type 1 diabetes. About BHT-3021 BHT-3021 is a plasmid encoding proinsulin designed to tolerize the immune system, thereby turning off the self directed immune attack against the islet cells. This product candidate's potential to stabilize or improve glucose control by eliminating the autoimmu...

Scientists trace molecular origin of proportional development

...ries set up by its target Hunchback. Dr. Ma's team suggests that Bicoid can self correct its positional errors through a coupling that develops between Bico...ege of Medicine. "The amount of Bicoid going to small and large embryos all self corrects, so the system is built to be very robust and precise so different...

Breast cancer cells recycle to escape death by hormonal therapy

...ion by autophagy, there is some evidence arsenic trioxide, a compound used in China to treat some aggressive cancers, prompts cancer cells to die from self digestion, she says. That and other compounds will no doubt be studied further, she says. Dr. Schoenlein believes breast cancer survival during mac...

Iowa State wins $18.5M grant to create NSF Center for Biorenewable Chemicals

...in year five. The centers may apply for a renewal that could extend the foundation's support another five years. After 10 years, the centers are to be self supporting. Iowa State University through the Office of the Executive Vice President and Provost, the Office of the Vice President for Research an...

Want a reason to love your lower belly fat? It's rich in stem cells

... we do every day is a tremendous." Stem cells are unspecialized cells that have not yet developed a specific function. Not only are they capable of self renewal, stem cells can divide and produce others that become specialized cells. Scientists and doctors theorize that stem cells will be able to repa...

Multitasking nanotechnology

...ove towards device miniaturization." On this scale, manipulating nanoscopic components requires skill and determination but by exploiting molecular self assembly, the researchers hope to build ordered layers just a single molecule thick using microcontact printing techniques borrowed from the electroni...

Tuna populations at risk

..."The health of the ocean environment, the long term sustainability of tuna stocks and the interests of many are being put at risk by the short-sighted self interest of a few," she added. The IATTC is responsible for the conservation and management of fisheries for tunas and other species taken by tuna...

Wealth of genomic hotspots discovered in embryonic stem cells

...aid Alan Colman, Ph.D., Executive Director of Singapore's Stem Cell Consortium. "This particular group of factors is responsible for maintaining the self renewal and pluripotency of the embryonic stem cells. The team shows that many of the factors which bind to the same gene regions ('hotspots') and the...

Nanoparticles assemble by millions to encase oil drops

...ea is to go beyond just capturing the compound and initiate a process that will make it less toxic," Ajayan said. "We want to build upon the method of self assembly and start adding functionality so these particles can carry out tasks in the real world." The research was supported by Rice University, A...

Programmed death boosts business

...in biological circles as apoptosis, is a natural process in which damaged, diseased, or otherwise unwanted cells are stimulated to undergo spontaneous self destruction. Apoptosis is a very useful process. Under normal conditions, it models the foetus, allowing growing fingers to separate for form tiny han...

UCSB receives $3.2 million stem cell grant from state

... in stem cell biology related to the molecular mechanisms of pluripotency (the ability of the stem cell to become any other type of cell in the body), self renewal and differentiation, using both human embryonic stem cells, induced pluripotent stem cells, and stem cells in simpler organisms. Bioengineerin...

Promising new nanotechnology for spinal cord injury

... tissue at the injury site and enables the severed spinal cord fibers to regenerate and grow. The gel is injected as a liquid into the spinal cord and self -assembles into a scaffold that supports the new nerve fibers as they grow up and down the spinal cord, penetrating the site of the injury. When th...

Hope among patients with ALS may take a variety of forms

...such as amyotrophic lateral sclerosis (ALS) should be a goal of palliative care and can take many forms, representing a continuum from focusing on the self to concern for others, as described in a paper published in the April issue (Volume 8, Number 3) of Journal of Palliative Medicine ( www.liebertpub.co...

'At home' genomic tests for disease risk premature

...ave the resources to make unbiased decisions regarding whether to proceed with genetic testing. Dr. Offit also expresses apprehension that once these self ordered test results are relayed, individuals receiving the results may not also receive counseling regarding appropriate medical interventions for pr...

Policing cells demand ID to tell friend from foe, say University of Pennsylvania cell engineers

...molecular protein on their surface that is specifically recognized by the macrophage to switch off the headlock, thus stopping engulfment and allowing self cells to coexist and move on. The team found that both actin and non-muscle myosin were involved in the attack of foreign sheep cells due to recogni...

Advertisers, neuroscientists trace source of emotions in brain

...on airplanes, rather than wires. The 12 subjects also had hand-held devices that enabled them to report their feelings via a system called Attitude self Assessment Manikins a version of the UF-developed Self-Assessment Manikin, or SAM. The AdSAM system lets viewers describe how they are feeling and the...

Green morality

..., offset their harmful effects on the future of our planet. Moral disengagement equates to switching off one's conscience and there is nothing like self righteousness to exonerate and sanitize malpractice in the name of worthy causes. Convoluted language helps disguise what is being done and reduces ac...

Journal Sleep: Insomniacs are more likely to report a family history of the sleep disorder

...s between 18 and 83 years of age, who completed several questionnaires, including a survey of current and past history of insomnia/sleep disorders for self and first-degree relatives. Fifty-two percent of the subjects were classified as good sleepers, 32.5 percent as individuals with insomnia symptoms, a...

New evidence for female control in reproduction

...s can do so for up to six months. Fazeli said that another aspect of this work relates to understanding the mechanisms involved in determination of self and non-self by the immune system. Since sperm are a foreign entity in the female reproductive tract, the immune system should attack and destroy them...

UV light improving chances of fighting cancer

...ved to be very difficult. Now, Professor Colin self and Dr Stephen Thompson from Newcastle University ... minimising damage to healthy tissue. Professor self says, I would describe this development as the equ...resulting in far fewer side effects. Professor self says, This opens up so many possible applications ...
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