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Tag: "over" at biology news

A gene's first 'kiss' sets off that affair known as puberty

...instigates the cascade of hormone secretions that, over time, produces puberty's tell-tale physical changes, including the development of breasts in girls and voice change in boys. As such, this research begins to answer one of the most vexing questions about human development: What causes puberty to begi...

Bioartificial kidney under study at MCG

...re from 50 to 70 percent of those patients die and over the past 20 years, despite dialysis, that has not ... underway is looking at the efficacy of the device over 72 hours, although researchers say that if the device is eventually approved by the Food and Drug Ad...

New push for public health, AIDS spending at African Union summit

...orts included. Controversial drug trials, battles over patents and the fate of millions of orphans are also likely to be discussed at a summit session devoted to the fight against AIDS on the world's poorest continent, home to nearly two-thirds of the 39.4 million people worldwide infected with HIV or AI...

Man and mouse share genome structures

...e yeast. Unexpectedly, they also found tags idling over regions near genes. The researchers think these si...tein is the unusual density of histone tags spread over the regions of genome containing the HOX genes, which are key regulators of development. "In most o...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...ccur; fluid flow may therefore repeat episodically over hundreds of thousands of years as abyssal hills are uplifted and spread away from the mid-ocean ridge crest. Haymon compared the subsurface microbes they found to those living in hot springs such as those at Yellowstone National Park. ...

Researchers discover way to make cells in the eye sensitive to light

...light sensing systems, the rods andcones. However, over the last few years it has become increasinglyaccepted that we have a third system, which uses melanopsin, that haslain undetected during decades of vigorous scientific investigation."Professor Hankins and Dr Lucas were part of the team who previously...

University of Manchester makes made-to-measure skin and bones a reality using inkjet printers

...ble to grow large tissues and have limited control over theshape or size the tissue will grow to. It also allows more than onetype of cell to be printed at once, which opens up the possibility ofbeing able to create bone grafts."Using conventional methods, you are only able to grow tissues whichare a few ...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

... ?have apparently been lost from placental mammals over thecourse of evolution.Thus, most mammals, including humans, can only repair these lesionsthrough a much less direct and elaborate process called nucleotideexcision repair.In the new work, Dr. Bert van der Horst and colleagues studied theeffects of C...

Priming embryonic stem cells to fulfill their promise

...ate to borrow $3 billion to fund stemcell research over the next 10 years."I'm really excited about the stem cell applications of our newtechnology," said Bhatia. "We feel that this extracellular matrix partof the stem cell niche has been understudied. If we can now take whatwe've learned, add combination...

Growth in the sea comes down to a struggle for iron

.... For more than a century, oceanographers puzzled over the low abundance of phytoplankton in some ocean w... The American team went to work lowering equipment over the side to collect water samples. They analyzed water chemistry, nutrients, and microorganism diver...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...e results were similar between the two groups. But over time, differences began to unfold. When 4 months old (comparable to human adolescence), the low-birth-weight babies began showing higher levels of blood glucose. "By 6 months, these levels had spiked abnormally, to 500 mg/dl -- the equivalent of seri...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...g cultures. "Therefore, it would seembest to start over again with newly derived human embryonic stem cellsthat have never been exposed to any animal products, and ideally, onlyever exposed to serum from the intended transplant recipient.""However, such an approach could not be pursued under existing rule...

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

...tors “Ifthere is a gradual loss of these receptors over time, Nifrolidine couldbe a potential marker for early diagnosis of Alzheimer’s disease,?Mukherjee said.Scientists have known that nicotine’s action on these receptors elicitsdopamine in various brain regions implicated in nicotine addiction andother...

Mouse brain cells rapidly recover after Alzheimer's plaques are cleared

...ues often led to rapidrecovery of normal structure over a few days," says senior author DavidH. Holtzman, M.D., the Charlotte and Paul Hagemann Professor and headof the Department of Neurology. "This provides confirmation of thepotential benefits of plaque-clearing treatments and also gets usrethinking ou...

Key molecule in plant photo-protection identified

...ues often led to rapidrecovery of normal structure over a few days," says senior author DavidH. Holtzman, M.D., the Charlotte and Paul Hagemann Professor and headof the Department of Neurology. "This provides confirmation of thepotential benefits of plaque-clearing treatments and also gets usrethinking ou...

Tiny particles could solve billion-dollar problem

... improve efficiency by several orders of magnitude over bulk palladium catalysts." TCE, which is commonly used as a solvent to degrease metals and electronic parts, is one of the most common and poisonous organic pollutants in U.S. groundwater. It is found at 60 percent of the contaminated waste sites on...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...fic community's knowledge of CLL that has occurred over the past decade. The review appears in the Februar...L cells do indeed turn over, with the accumulation over time a result of the difference in the birth and death rates of the leukemia cells. Scientists have...

Plants respond similarly to signals from friends, enemies

...real-time, three-dimensional study in living cells over time, the NC State researchers discovered that the model legume Lotus japonicus responded similarly to signals from both rhizobia, the friends that fix nitrogen for the plant, and root-knot nematodes, the parasitic foes that want to harm the plant. S...

Novel antiviral technology inhibits RSV infection in mice

...iding substantial protectionfrom severe infections over days to weeks."Dr. Mohapatra and his team developed nose drops containing vectorscapable of producing small fragments of RNA (siRNA). These fragmentswere encapsulated within chitosan nanoparticles -- minisculenaturally-occurring, biodegradable partic...

The secret to longevity in tubeworms

... 1,000 individuals; with it, survival increases to over 250 years, matching the longevity of actual living tubeworms. To date, the proposed return of sulfate to the sediments through the roots is only a hypothesis--albeit one with much to support it--that still awaits direct confirmation. By providing a ...

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(Date:7/10/2014)... belongs to the large, mainly tropical flowering plant family ... in the family rely on bees for their pollination. Only ... or vertebrates. The flowers of Axinaea appear in ... petals of the different species are pink, yellow, orange or ... the contrasting colours of their bulbous appendages. The pollination mechanism ...
(Date:7/10/2014)... Imagine the open ocean as a microbial megacity, teeming ... drop of water, hundreds of types of bacteria can ... of these ocean microbes have their own daily cyclesnot ... to wake up, commute, work, and eat at the ... sun. Light-loving photoautotrophsbacteria that need solar energy to help ...
(Date:7/10/2014)... company housed at NJIT,s business incubator, received a $1.4 ... surgeons will use to staunch bleeding during brain surgery. ... site, and the natural bio-polymer solutions in the gel ... 30 seconds. , The gel can shorten an ... into less time for the patient,s skull to be ...
Breaking Biology News(10 mins):Novel type of bird pollination mechanism discovered in South America 2New research finds ocean's most abundant organisms have clear daily cycles 2New research finds ocean's most abundant organisms have clear daily cycles 3A start-up at NJIT develops bleeding-control gel for brain surgery 2
(Date:7/10/2014)... In his latest blog post at ... facility CEO Per Wickstrom has listed 5 ways to ... confirm an appointment, get information or sometimes even just ... being annoying is a skill that most people don’t ... to keep the dialogue moving without coming across as ...
(Date:7/10/2014)... (PRWEB) July 10, 2014 A ... program that gets clients off to a great start ... can believe in, has launched a new Eating Disorders ... The new section highlights:, , Different ... Statistic Manual of Mental Disorders (DSM-IV), including anorexia nervosa, ...
(Date:7/10/2014)... City, CA (PRWEB) July 10, 2014 ... announced the latest results of the 4th “Trending ... "Source-to-Pay” suite model. , Every day multinational ... data, contracts, expense forms etc. To meet this ... "Source-to-Pay" (S2P) suites which can be defined as ...
(Date:7/10/2014)... widespread across the United States, due in large to ... of clinical data that will become available for research ... experts in healthcare have become increasingly focused on clinical ... purpose of gleaning insights that have the potential to ... that is known as big data. ...
(Date:7/10/2014)... professional football players who have shoulder stabilization surgery are ... finds. Shoulder instability is a common injury among ... to fix the problem has been unclear, the study ... who had shoulder stabilization surgery. Ninety percent of those ... as playing in at least one regular season game. ...
Breaking Medicine News(10 mins):Health News:Per Wickstrom’s Latest Blog Post Lists 5 Ways to Follow-up Without Being Annoying 2Health News:Latest A Forever Recovery Launches Eating Disorders Section on Website 2Health News:‘Source-to-Pay’ e-Procurement Is Real Performance Driver for Purchasing Departments 2Health News:‘Source-to-Pay’ e-Procurement Is Real Performance Driver for Purchasing Departments 3Health News:Six cases where big data can reduce healthcare costs 2Health News:Six cases where big data can reduce healthcare costs 3Health News:Six cases where big data can reduce healthcare costs 4Health News:Shoulder Surgery Gets NFL Players Back in the Game 2
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