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mix in Biological News

Bad mix of bacterial remnants and genetics leads to arthritis

Here's another reason to hate leftovers. A research study appearing in the April 2009 issue of the Journal of Leukocyte Biology ( http://www.jleukbio.org ) sheds light on one cause of arthritis: bacteria. In the study, scientists from the United States and The Netherlands show that a specific ge...

Elevated carbon dioxide changes soil microbe mix below plants

UPTON, NY - A detailed analysis of soil samples taken from a forest ecosystem with artificially elevated levels of atmospheric carbon dioxide (CO 2 ) reveals distinct changes in the mix of microorganisms living in the soil below trembling aspen. These changes could increase the availability of es...

Study finds mix of disease processes at work in brains of most people with dementia

Few older people die with brains untouched by a pathological process, however, an individual’s likelihood of having clinical signs of dementia increases with the number of different disease processes present in the brain, according to a new study. The research was funded by the National Institute ...

Multiple genes permit closely related fish species to mix and match their color vision

Vision, like other biological attributes, is shaped by evolution through environmental pressures and demands, and even closely-related species that are in other ways very similar might respond to their particular environments by interpreting the visual world slightly differently, using photorecepto...

Urban water ecology at the ESA annual meeting

...mphasizes that even a small amount of shoreline vegetation can serve as insect habitat. "Our shorelines need to remain as intact as possible, with a mix of trees and shrubs," she says. "But we may not need a dense, native forest. There likely are designs that are compatible with both lakeshore developm...

Structure of protective protein in the eye lens revealed

... The human eye lens consists of a highly concentrated mix of several proteins. Protective proteins prevent these proteins from aggregating and clumping. If this protective function fails, the lens blurs and t...

'Microfluidic palette' may paint clearer picture of biological processes

...e gradients are generated by diffusionthe gentle movement of matter from one point to another by random molecular motion. Microfluidic systems usually mix fluids more actively, by pumps and the circulation of currents. Diffusion gradients allow cells being studied to remain in the microchamber without th...

Music is the engine of new U-M lab-on-a-chip device

... in a microfluidic device today, researchers often use dozens of air hoses, valves and electrical connections between the chip and a computer to move, mix and split pin-prick drops of fluid in the device's microscopic channels and divots. "You quickly lose the advantage of a small microfluidic system,...

New way to make sensors that detect toxic chemicals

... across -- that's equivalent to five nanometers (billionths of a meter). Beach described the synthesis method in very simple terms. "Basically, you mix everything together in a pressure vessel, pop it in the oven, rinse it off and it's ready to use," he said. Of course, for the process to go smooth...

US-Mexico border wall could threaten wildlife species

... Sonoran desert will form small populations sometimes with only 10, 15 or 20 animals," Epps said. "Yet they will occasionally move back and forth and mix with other groups. That connectivity is critical to their survival. Without it, they can still sometimes re-colonize, but often that small group will ...

CSHL scientists harness logic of 'Sudoku' math puzzle to vastly enhance genome-sequencing capability

...th a barcode a short string of DNA letters known as oligonucleotides before mixing it with other samples that also had unique tags. After the sample mix had been sequenced, scientists could use the barcode tags on the resulting sequences as identification markers and thus tell which sequence belonged t...

Antibiotics take toll on beneficial microbes in gut

... growing and serious infection problem for hospitals. Normally, a set of thousands of different kinds of microbes lives in the gut a distinctive mix for each person, and thought to be passed on from mother to baby. The microbes, including many different bacteria, aid digestion and nutrition, appear...

Crustacean shell with polyester creates mixed-fiber material for nerve repair

... In the clothing industry it's common to mix natural and synthetic fibers. Take cotton and add polyester to make clothing that's soft, breathable and wrinkle free. Now researchers at the Unive...

Fossil bone bed helps reconstruct life along California's ancient coastline

... bone bed, the richest and most extensive marine deposit of bones in the world, are presented in the June 2009 issue of the journal Geology . The mix of shark bones and teeth, turtle shells three times the size of today's leatherbacks, and ancient whale, seal, dolphin and fish skeletons, comprise a ...

New study finds lowfat chocolate milk is effective post-exercise recovery aid for soccer players

... milk has the advantage of additional nutrients not found in most traditional sports drinks. Studies suggest that when consumed after exercise, milk's mix of high-quality protein and carbohydrates can help refuel exhausted muscles. The protein in milk helps build lean muscle and recent research suggests ...

Mothers give interloper's offspring a head start in life

... pair male is fertile and this scenario could explain why extra-pair offspring become less likely among later laid eggs." Even if females obtain a mix of sperm before laying, it is possible that the sperm from extra-pair males is more successful in fertilizing eggs if it is of higher quality (e.g. sw...

New evidence of how high glucose damages blood vessels could lead to new treatments

...s the enzyme that produces nitric oxide, called nitric oxide synthase, so that it makes more of the blood vessel dilator. But add more O-GlcNAc to the mix and it seems to beat phosphorylation to the punch so there is the opposite result. The longer O-GlcNAc levels were high, the worse the resulting probl...

Major funding to help cut CO2 emissions

...e London, Cranfield University, the University of Kent, and the University of Cambridge on the oxyfuel combustion process in which coal is burned in a mix of pure oxygen and power station flue gases, creating a stream of CO 2 that can be captured for storage. Dr Trevor Drage said: "The funding brings...

Drugs needed to preserve eggs for reproduction need to be given in stages

... reduced toxicity. Scientists also are taking important cues from critters with an innate ability to preserve themselves. Increasingly added to the mix of manmade cryoprotectants are sugars, which are used by a variety of species, such as brine shrimp and eight-legged tardigrades, a microscopic water-...

3-D research model tackles prostate cancer spread

...e can see if and how the cancer cells 'set up home' in the bone cells," she said. "We want to study how the cancer cells degrade the matrix, or the mix of proteins and growth factors produced by these cells, and remodel the environment to suit the cancer cells to grow a tumour." Ms Sieh said scienti...

Going bananas for sustainable research -- scientists create fuel from African crop waste

...h sawdust to create a mouldable material in Rwanda it would be mixed with sun dried banana stems, ensuring the whole plant is used. Then, the pulp mix is compressed into briquette shapes and baked in an oven at 105 degrees. Again, in Africa the fuel would be left for a few days to dry in the sun. ...

Meet-the-expert sessions on 20 key topics to enhance scientific programme of IOFWCO-ECCEO10

...arthritis, as well as policy related issues such as health economics. Offering a broad global perspective, the scientific programme will provide a mix of stimulating plenary lectures on 'hot' topics in the field and more clinically-oriented meet-the-expert sessions led by world experts. There will al...

CHIs 5th Biomarker World Congress: Signature Event with Cutting-Edge Agenda

...dicated to all areas of biomarker research spanning the pharmaceutical and diagnostic pipeline. The meeting brings together a unique and international mix of large and medium pharmaceutical, biotech and diagnostics companies, leading universities and clinical research institutions, government and nationa...

A recipe for dog bite injuries: Kids, dogs and warm weather

...e park or enjoying a stroll on a warm spring day and a dog approaches, be ultra vigilant. Children, warm weather, and dogs, even family dogs, don't mix well, according to a study conducted by pediatric otolaryngologists from the University at Buffalo's School of Medicine and Biomedical Sciences. R...

NASA researchers find clues to a secret of life

...two ways that are mirror images of each other, like your hands. Although life based on right-handed amino acids would presumably work fine, "you can't mix them," says Dr. Jason Dworkin of NASA Goddard, co-author of the study. "If you do, life turns to something resembling scrambled eggs -- it's a mess. S...

Cleaning up oil spills can kill more fish than spills themselves, say Queen's biologists

...o rainbow trout by 100-fold." The detergents are oil dispersants that decrease the surface tension between oil and water, allowing floating oil to mix with water as tiny droplets. Dr. Hodson and his team found that dispersion reduces the potential impacts of oil on surface-dwelling animals, While th...

A new view of oceanic phytoplankton

... ample phosphorus but delivery to the surface waters where photosynthesis occurs is limited by temperature-induced stratification and the inability to mix the ocean to depths where phosphorus is available. Indeed, research conducted at Station ALOHA near Hawaii during the past two decades has shown that ...

World Congress on Osteoporosis 2010 presents outstanding scientific program

...r interaction and the exchange of ideas among researchers and clinicians as well as specialists from allied health fields. The programme provides a mix of both stimulating plenary lectures and Meet-The-Expert sessions on twenty clinically-oriented topics, as well as poster presentations, late breaking...

When fish farms are built along the coast, where does the waste go?

...thousands, creating yet another unpleasant waste stream. The wastes can carry disease, causing damage directly. Or the phosphate and nitrates in the mix may feed an algae bloom that sucks the oxygen from the water, leaving it uninhabitable, a phenomenon long associated with fertilizer runoff. It has ...

2 genes influence social behavior, visual-spatial performance in people with Williams syndrome

... world around them, however: Asked to draw a bicycle, they will show all the parts, but strew them randomly across the page (see figure). This strange mix of mental peaks and valleys drew Korenberg and Bellugi to the disorder. "Williams syndrome presents a unique lens for discovering the how genes fo...

Tailor-made recombinant proteins in mammals

...he IgG molecule so that it would selectively bind with chemicals engineered to react with the aldehyde. The Fc fragments were the only proteins in the mix with which the experimental labels reacted. "From the biotech perspective, secreted antibody-like proteins like these are the most interesting," Be...

Rot's unique wood degrading machinery to be harnessed for better biofuels production

...sh chemicals and expensive high-heat treatments have been employed. In parallel with the development of improved feedstocks is finding just the right mix of enzymes to get the most out of converting biomass into fuel. "Nature offers some guidance here," said Dan Cullen, FPL scientist and one of the s...

TECNALIA uses artificial vision to improve recycling of electronic scrap metal

...defined their main requirements for the first stage of the project: The initial quantity they wish to identify by unit of time (the entry of the mix with all the components) The components of each fraction and their proportion in the mix The size, colour, shape and other physical characteristics ...

Single gene lets bacteria jump from host to host

... and genes that already reside in a bacterium is enough to do the trick. "Together, they can do something neither of them could do before. They can mix and match and open up new niches," says Ruby. Knowing that a regulatory gene plays a key role in allowing an organism to fit a new host may prove u...

Common soil mineral degrades the nearly indestructible prion

...e seen in things like iron oxidizing to form rust or how cut pears and apples turn brown when exposed to oxygen. The next step, Pedersen says, is to mix the mineral with contaminated soil to see if it has the same effect. If it does, birnessite may become a useful tool for cleaning up contaminated farm...

January GEOLOGY media highlights

... C. Lopes and A.C. Mix, Departamento de Geologia Marinha, Laboratorio de Energia e Geologia, 2721-866 Amadora, Portugal. Pages 79-82. Lopes and mix show that anomalous amounts of fresh water entered the northeast Pacific Ocean from about 15,000 to 30,000 years ago. Some freshwater inputs can be li...

High blood sugar's impact on immune system holds clues to improving islet cell transplants

...should increase in mass to a level that should produce sufficient amounts of insulin," the researcher said. Type 1 diabetes results from the wrong mix of genes and environmental triggers. For example, early exposure of a genetically predisposed child to cow's milk and a viral infection could trigger ...

Beckman Coulter Updates 2008 Outlook

...mplemented a zero overhead growth policy to control expenses. The shift in mix toward higher margin recurring revenue and a conservative approach toward s...ring revenue growth, operating margins, expenses, cash instrument sales and mix cash instrument sales and recurring revenue, tax rate, and total and recurr...

Expeditions reveal gulf of California's deep sea secrets, as well as human imprints

... near the southern tip of the Baja peninsula. Here again the researchers documented a "biodiversity hotspot" with thriving fish populations and a rich mix of sea life in the absence of human environmental pressures. They witnessed large tiger sharks, now a rarity in Baja California. Erisman and Aburto...

Ben-Gurion University of the Negev to host

...ts were quite heterogeneous was considered anomalous at the first gathering, but proved to be a particularly interesting forum during which scientists mix with farmers and bureaucrats to share their experiences. The event will not only be the largest international conference ever held in Israel about an...
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