Viability in Biological News

Cholesterol-lowering drugs and the effect on muscle repair and regeneration

... The aim of the study was to determine SC viability during proliferation when treated with statins ... There was a dose dependent decrease in the viability of the satellite cells at 1.0, 10 and 100M ... At approximately 5.0 M concentration the viability of the proliferating cells was reduced by 50% ...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

... vitrification method, which avoids ice formation, meant that oocyte (egg) viability was almost identical with that seen in fresh oocytes. Dr. Silber and colleagues used standard viability testing with fluorescent microscopy to determine the loss or preservation ...

UGA study may give hope that ivory-billed woodpeckers still around

... Conroy is one of several scientists on the team who conducted a population viability analysis, which was funded by the U.S. Fish and Wildlife Service. Also on ... multi-state, intensive search effort for the elusive bird and a population viability analysis, which, among other things, assesses the population size and ...

New technique enables assessment of drought performance

... by BioMed Central, allows a quantitative and precise determination of viability in intact, drought-stressed plants. Due to the increasing demands of ... of plant water status during such studies. He said "We found that plants' viability during increasing water deficit could be measured and quantified by ...

NIST, Army researchers pave the way for anthrax spore standards

... reliable methods based on DNA analysis to assess the concentration and viability of anthrax spores after prolonged storage. The techniques and data are ... laboratory-grade Bacillus anthracis spores in suspension maintained their viability and did not clump when stored for up to 900 days. The classical method for ...

Ultraconserved elements in the genome: Are they indispensable?

... no change because they are indispensable, performing functions vital for viability or reproduction. Scientists in the Genomics Division of the Department of ... that the presence of the ultraconserved elements are not required for the viability of the organism." Choosing the sequences Some of the 481 ...

Symposium to discuss geoengineering to fight climate change at the ESA Annual Meeting

... environmental good may cause other environmental harm. In a symposium at the Ecological Society of America's Annual Meeting, ecologists discuss the viability of geoengineering, concluding that it is potentially dangerous at the global scale, where the risks outweigh the benefits. "The bigger the scale ...

New hope for fisheries

... towards rebuilding individual fish populations and restoring the ecosystems of which they are a part, if there is to be any hope for the long-term viability of fisheries and fishing communities." ...

Happier, healthier, more productive hens on omega-3?

... in some birds. Other than the welfare issue, wastage and loss in production are a considerable financial burden to the industry, reducing economic viability and increasing costs. By feeding the hens on omega-3 we hope to substantially improve their welfare and reduce costs due to injury, with the bonus ...

The first hyperspectral scanner in Spain

... This station will complement the hyperspectral image analysis software developed by Tecnalia-Infotech that enables the evaluation of the viability of the technology in various applications. This powerful technology is not limited to laboratory applications but, after assessing its viability, ...

New center at Georgia Tech aims to improve recovery of soldiers with severe injuries

... "Studies in our laboratory have shown that when stem cells are encapsulated in microbeads, they can be injected by needle without loss of cell viability and they remain at the injury site for at least two months," said Boyan. Protecting the cells during insertion is just the first step toward ...

Device protects transplanted pancreatic cells from the immune system

... protected from the immune system when encapsulated in PTFE. Human cells encased in PTFE were then transplanted into immunodeficient mice to study the viability and function of both mature beta cells and precursor cells inside the device. Itkin-Ansari's team found that by using precursor cells that had not ...

Locking parasites in host cell could be new way to fight malaria

... less scope to develop resistance, since the parasite doesn't have genetic control over host proteins. Greenbaum plans to continue to explore the viability of calpain as a drug target for antiparasitic drugs. ...

Corrosion-inhibiting coatings containing 'good' bacteria

... The corrosion-preventing bacteria occur naturally in the environment. Incorporating its spores into the coating did not seem to affect their viability living cells were still found in the coating after more than six weeks in seawater. The coating could also be heat cured at temperatures up to 90C. ...

Lehigh researcher awarded $1.8 million NIH grant

... on "Efferent Function in Sound Localization Processing." "I'm very excited about this grant because it provides the funds to ensure the long-term viability of my lab and gives me the resources I need to attack my research agenda," says Burger. "It's very validating to have people in my field appreciate ...

New renewables to power 40 per cent of global electricity demand by 2050

... Previous projections put renewables' share at only 12 percent by 2030. Other research within the same congress session further supports the viability of renewables, examining closely the limitations and potential of wind, biomass and biofuels. According to Erik Lundtang Petersen of Risoe DTU's ...

Birds in Flint Hills of Kansas, Oklahoma face population decline despite large habitat

... Ridge National Laboratory and William Jensen, a former postdoctoral researcher in With's lab at K-State. They conducted a two-year study of regional viability of three grassland birds: the dickcissel, grasshopper sparrow and eastern meadowlark. With and her colleagues found that none of these bird species ...

Cutting-edge amfAR grants fight HIV/AIDS in the lab and on the phone

... is allocated specifically to younger scientists who often have the greatest difficulty finding support for their work but who represent the long-term viability of AIDS research. Four of these Mathilde Krim Biomedical Research Fellowships were awarded for a total of close to $500,000. Only in its second ...

Historical photographs expose decline in Florida's reef fish, new Scripps study finds

... the trip costs remained steady, ranging from $40 to $48 per person (adjusted for inflation), per day between 1956 and 2007. " The continued viability of sport fishing based on increasingly small individuals in a degraded reef environment indicates a decoupling of the health of the marine ...

As super-predators, humans reshape their prey at super-natural speeds

... noted Darimont, adding that consumers can also play a role by reducing the demand for seafood. Finally, the results also sound an alarm about the viability of commercial industries. "By causing such abrupt and significant changes to their targets, many industries are harvesting away their future ...

A happy new year for penguins

... area and for WCS's multi-faceted efforts to safeguard coastal Patagonia, including the Sea & Sky program, which is committed to achieving long-term viability of the Patagonian Sea by integrating the best available science, building capacity and providing inspiration to promote local interest in ocean ...

NSF funds research at Illinois on sustainable biofuels infrastructure

... until and unless all of its potential impacts are fully understood and managed, Cai said. Land use, water use, transportation issues, the economic viability of various approaches and the impact on climate are all important considerations and must be studied in detail, he said. The researchers already ...

Blue bananas

... the chlorophyll degradation products also serve a biological function for the banana. The amazingly stable catabolytes could help to prolong the viability of the ripening fruit. ...

Vitamin C supplements may reduce benefit from wide range of anti-cancer drugs

... these cells, and discovered that it wasn't because the nutrient was neutralizing oxygen-free radicals. They found instead that DHA was restoring viability to the cancer cell's damaged mitochondria the cell's all-important power plant that, when injured, sends signals to force a cell to die. ...

Reversible 3-D cell culture gel invented

... cells from the solid media. As trypsin is an enzyme that is known to damage cells, especially in stem cell cultures, the long-term quality and viability of cells cultured using IBN's thixotropic gel would improve substantially without the exposure to this enzyme. Researchers are also able to ...

More acidic ocean could spell trouble for marine life's earliest stages

... of our work. However, the available evidence points to the conclusion that at present acidification is the biggest threat to the long-term viability of our ocean ecosystems and especially to key invertebrate species that maintain many of the marine ecosystems on which we rely for food, protection, ...

'Small' research at MSU leads to advances in energy, electronics

... the transition from a laboratory curiosity to a commercial product and simultaneously has helped create a spinoff company to increase the economic viability of Michigan." ...

Fish with temperature-dependent sex determination face global warming

... increase (leading to many males and few females). In many species, females determine the number of offspring for the next generation and so the viability of some fish populations with TSD can be compromised through alterations in their sex ratios due to temperature fluctuations of the magnitude ...

Novel structure proteins could play a role in apoptosis

... They also did the same for B23, and both in combination, always in-vitro. "We saw that when we lowered the expression of NSP 5a3a, the cell's viability was not affected and they continued proliferating," D'Agostino said. "They must have a mechanism to compensate for its absence." But when the ...

August 2008 Geology and GSA Today media highlights

... augmentation from the upstream reservoir). By adopting a best-case scenario, they demonstrate that the sandbars could be rebuilt, albeit slowly. The viability of operating the dam according to the best-case scenario remains, however, an open question. ...

Researchers coat titanium with polymer to improve integration of joint replacements

... response of the body to any implanted device. Currently, most become encapsulated by a collagen sheath, which affects the performance and long-term viability of the device. Garca aims to use these biomaterials to help integrate devices implanted in the body. ...

Mascoma and UT join in $26M DOE grant

... local infrastructure like schools." Unlike first generation ethanol from corn and sugar cane, Genera Energy will focus on proving the commercial viability of the production of ethanol from sustainable non-food plant biomass such as switchgrass and other woody biomass commodities. ...

Crop management strategies key to a healthy Gulf, planet

... native plant diversity, competition with food crops and effects on water and air quality, Dale said. Decisions in this area also affect economic viability because the distance that biofuels must be transported has a large effect on the market cost of biofuels as well as the quality of life for those who ...

Hatchery fish outnumber wild chinook salmon in troubled fall run

... (NMFS) should have included hatchery fish in the population counts. A more recent federal court ruling, however, concluded that the health and viability of natural populations should be used as the benchmark for ESA status determinations. That ruling has been appealed to the U.S. Court of Appeals for ...

The song doesn't remain the same in fragmented bird populations

... studied the metapopulation system of the Duponts lark in north-eastern Spain and found an association between individual song diversity and the viability of the population as a whole, as measured by the annual rate of population change. This association arises because males from the most numerous and ...

Medical breakthrough for organ transplants and cardiovascular diseases by Flemish researchers

... implications for the preservation of organs for transplant. Such tissues often have to contend with prolonged oxygen deficiency, which destroys their viability for transplantation. If these organs could be kept in a hibernation condition, perhaps more lives could be ... ...

Fish farms drive wild salmon populations toward extinction

... scientists expect a 99% collapse in another four years, or two salmon generations, if the infestations continue. The impact is so severe that the viability of the wild salmon populations is threatened, says lead author Martin Krkosek, a fisheries ecologist from the University of Alberta. Krkosek and his ...

New research discredits $100B global warming 'fix'

... Virginia Key, Fla. -- Scientists have revealed an important discovery that raises doubts concerning the viability of plans to fertilize the ocean to solve global warming, a projected $100 billion venture. Research performed at Stanford and Oregon State ...

Biodiesel could reduce greenhouse gas emissions

... of burning fuels, providing potential benefits to human health. While the results are encouraging, further research is required to establish the viability of the biofuels industry in Australia and address some of the associated issues such as sustainability, technological improvements and economic ...

Raydiance collaborates with Rutgers, MTF to develop innovative tissue processing approaches

... skin layers - Develop non-invasive laser-ablation methods to separate the skins dermal and epidermal layers to improve and increase the usability and viability of limited donor tissues. Surface decontamination Develop non-intrusive sterilization techniques on donor skin and tendons to minimize ...