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Buffer in Biological News

The cormorant -- the 'black plague' or an example of successful species conservation?

... so-called floaters provide a kind of natural buffer that protects the population from severe losses ... the 'floaters' will take their place until this buffer is depleted, and the population breaks down to ... structure protected, whereby the crucial buffer would still remain intact." By comparison, ...

Green coffee-growing practices buffer climate-change impacts

... University of Michigan researchers say the technique will provide a buffer against the ravages of climate change in the coming decades. Over the ... Environment, one of the authors. "Shaded coffee is ideal because it will buffer the system from climate change while protecting biodiversity." Perfecto ...

Biofuels and biodiversity don't mix, ecologists warn

... Preserving remaining natural forests for example by creating forest buffer zones between plantations made a little more impact, increasing species ... the remaining natural forest as possible, for example by creating forest buffer zones around oil palm estates or protecting remaining patches of forest. ...

Why don't kids walk to school anymore?

... "It's very important for parents that there be a separation or buffer between traffic and the sidewalk," she said. "They are much more willing to let their children walk when this buffer is at least eight feet wide, and when there are also trees in this area." ...

Wastewater produces electricity and desalinates water

... bacteria that run the cell might have a problem living in highly acidic environments. For this experiment, the researchers periodically added a pH buffer avoiding the acid problem, but this problem will need to be considered if the system is to produce reasonable amounts of desalinized water. ...

'Microfluidic palette' may paint clearer picture of biological processes

... Y at constant pressure assures a constant stream of fresh chemicals. Because the pressure in the chamber is balanced by filling it previously with a buffer solution, the test chemicals that migrate from the channels into the chamber do so almost entirely by diffusion. Therefore, as long as a constant ...

Frost & Sullivan: North American Government Biometrics Markets Thrive With Active R&D Thrust

... business outcomes. Ongoing alliances and acquisitions will spearhead the utilization of multimodal technology. This multi-factor authentication will buffer security by overcoming the shortcomings of individual technologies and contributing to the long term growth of the North American biometrics market. ...

Stanford's Woods Institute awards new round of Environmental Venture Projects

... which supplies water to 20 million people and 660,000 acres of irrigated farmland. At the headwaters of the watershed are mountain meadows that buffer floodwaters and store and release groundwater, but over the past 150 years virtually all of the meadows have dried up due to human activities. Using ...

Rules proposed to save the world's coral reefs

... for all reef processes (d) contain several examples of particular reef types to spread the risk; protect whole reefs where possible; place buffer zones around core areas. allow for reef species to spread over a range of distances, especially 20󈞊 km; and use a range of conservation ...

UC Davis launches 'One Health' care for wild mountain gorillas and human neighbors

... with UC Davis will help improve the health and welfare of the humans and animals living around the gorillas," Cranfield said. "This in turn acts as a buffer to help prevent disease - the gorillas' leading cause of death - from entering the park and affecting gorilla families." UC Davis will investigate ...

Basic guides to PCR, labeling neurons featured in Cold Spring Harbor Protocols

... Troubleshooting in PCR." The article addresses various optimization strategies including touchdown PCR and hot-start PCR. Magnesium concentration, buffer pH, and cycling conditions are also considered. The article is freely accessible on the website for "Cold Spring Harbor Protocols" ( ...

Smithsonian scientist warns that palm oil development may threaten Amazon

... creating catchment ponds to reduce water pollution," said Butler. "The Brazilian government could require oil palm plantations to establish riparian buffer zones, maintain habitat corridors and protect wetlands areas to reduce impacts on biodiversity." "Because oil palm plantations offer higher yields ...

Carbon sinks losing the battle with rising emissions

... rising emissions," says CSIRO scientist and co-Chair of the Global Carbon Project, Dr Mike Raupach. "While these natural CO 2 sinks are a huge buffer against climate change, which would occur about twice as fast without them, they cannot be taken for granted." Dr Raupach and Swiss scientist, Dr ...

GEN reports biomanufacturers target a fully disposable process stream

... New Rochelle, NY, March 4, 2009--The disposable bioprocessing market has moved far beyond plastic bags for buffer preparation toward a range of products for cell culture and upstream and downstream operations, reports Genetic Engineering & Biotechnology News ...

Mammals that hibernate or burrow less likely to go extinct

... in burrows are less likely to turn up on an endangered species list. The study's authors believe that the ability of such "sleep-or-hide" animals to buffer themselves from changing environments may help them avoid extinction. The idea that sleepers and hiders may have a survival advantage first arose ...

Fish guts explain marine carbon cycle mystery

... pH balance is vital for the health of marine ecosystems, including coral reefs, and important in controlling how easily the ocean will absorb and buffer future increases in atmospheric CO2. This calcium carbonate is being produced by bony fish, a group that includes 90% of marine fish species but ...

Researchers create new class of fluorescent dyes to detect reactive oxygen species in vivo

... with angiotensin II and hydro-Cy3 displayed intense intracellular fluorescence, whereas control cells incubated with hydro-Cy3 and phosphate buffer saline displayed significantly lower fluorescence. When they introduced TEMPOL, a molecule that intercepts the reactive oxygen species so that they ...

Wetlands expert: China should think outside the flooding box with Three Gorges Dam

... to tell whether the reservoir behind the dam will function in typical wetland fashion. Often called the "kidneys" of the environment, wetlands act as buffer zones between land and waterways. They filter out chemicals in water that runs off from farm fields, roads, parking lots and other surfaces and hold ...

Study: Tropical wetlands hold more carbon than temperate marshes

... Wednesday (10/8) at the Geological Society of America joint meeting in Houston. Often called the "kidneys" of the environment, wetlands act as buffer zones between land and waterways. In addition to absorbing carbon and holding onto it for years, wetlands filter out chemicals in water that runs off ...

Study: Bird diversity lessens human exposure to West Nile Virus

... the United States Geological Survey's Breeding Bird Surveys, conducted nationwide. "We're seeing locally and nationally that bird diversity is a buffer against the occurrence of West Nile Virus in humans," Allan said. "That's a win-win situation for both conservation and public health." ...

Flooding might help lower gas emission from wetlands

... pulses." The research was published in a recent issue of the journal Wetlands . Often called the "kidneys" of the environment, wetlands act as buffer zones between land and waterways. They also act as sinks wetlands filter out chemicals in water that runs off from farm fields, roads, parking lots ...

How corals adapt to day and night

... photosynthesis; at night, however, hydrogen accumulates which increases the acidity of the coral, and therefore STPCA creates extra bicarbonate as a buffer to prevent acid damage. ...

Acidification of the sea hampers reproduction of marine species

... By absorbing carbon dioxide from the atmosphere, and from the human use of fossil fuels, the world's seas function as a giant buffer for the Earth's life support system. The chemical balance of the sea has long been regarded as immovable. Today, researchers know that the pH of the ...

Forest canopies help determine natural fertilization rates

... forests. For this same reason, elevated nitrogen deposition from pollution likely reduces moss nitrogen fixation rates. The moss would initially buffer the forest against the effect of nitrogen added as pollution or fertilizer; however, chronic elevated nitrogen inputs would ultimately eliminate this ...

Fast AFM probes measure multiple properties of biomolecules or materials simultaneously

... to measure the force between two interacting biological molecules and unbinding forces between two molecules. By testing different molecules and buffer solutions, researchers can determine the probability of molecule adhesion, a process that requires many repetitive measurements. This has ...

Nano-softball made of DNA

... of a solid-phase synthesis. The three DNA strands were always attached by way of an aromatic six-membered carbon ring. When mixed in equal parts in a buffer solution, these building blocks do aggregate to form the expected product: regular dodecahedra. Atomic force microscopy images reveal them to be ...

Fujitsu Combines Capacity, Performance and Power Efficiency Into the Industry's First 320GB 7200 RPM 2.5" Sata Hard Disk Drive

... following specifications: -- Capacity: 80/120/160/250/320GB -- Rotational Speed: 7200RPM -- Interface: SATA 3.0 Gb/sec and 1.5Gb/sec -- buffer to Host Transfer Rate: 300MB/sec max. -- Read/Write Seek Time: 10.5/12.5msec (typ). -- Track to Track Seek Time: 1.5msec (typ). -- R/W Power ...

Scientists show that streams are critical to preservation of oceanic coastal zones

... watersheds. A study by 31 aquatic biologists involving 72 stream sites in the United States and Puerto Rico has found that one critical buffer to excess nitrogen run off from agricultural and urban areas turns out to be small streams and rivers. The findings are published March 12 in the ...

Genes hold the key to how happy we are, scientists say

... people who do not excessively worry, and who are sociable and conscientious tend to be happier. They suggested that this personality mix can act as a buffer when bad things happen, according to the study published inthe March issue of Psychological Science, a journal of the Association for Psychological ...

Lake Mead could be dry by 2021

... at Scripps Institution of Oceanography, UC San Diego. Without Lake Mead and neighboring Lake Powell, the Colorado River system has no buffer to sustain the population of the Southwest through an unusually dry year, or worse, a sustained drought. In such an event, water deliveries would ...

New, rare and threatened species discovered in Ghana

... In their final report, scientists called for the government to upgrade the areas protection status such as to a National Park, create of a buffer zone around the park and develop a management plan that includes conversation measures and economic development strategies compatible with ...

Population movements and money remittances spur forest regrowth

... influences on agricultural practices and their effects on forest extent. New growth forests, most often in a mosaic along with agriculture, can buffer declines in biological diversity and are extensively used by old growth species. War drove many people to flee El Salvador during the 1980s and ...

Wolves find happy hunting grounds in Yellowstone National Park

... number of elk has not declined appreciably. "We've found that the availability of refuge areas for elk, and their ease of accessing them, should buffer the elk population in the park from extreme levels of predation," Boyce said. Boyce added that wolves are inefficient predators, with low rates ...

Brazil creates buffer zone around coral reefs off Atlantic coast

... The Brazilian government has created an official buffer zone around the Abrolhos National Marine Park to ... richest coral reefs in the South Atlantic. The buffer zone, created by Brazil's Institute of ... as the humpback whales. Under Brazilian law, buffer zones around protected areas offer strong ...

Key to elephant conservation is 'in the sauce'

... said Loki Osborn, project director for the EPDT. "They can be grown as buffer crops to prevent crop-raiding and then be harvested and sold on the world ... peppers to deter potential crop raiders in two ways: as a protective buffer crop to surround core crops of maize, sorghum and millet; and as an ...

Gray wolves maintain the food chain in winter

... carrion abundance will decline with shorter winters. But wolf kills buffer these shortages, providing meals that could determine whether scavengers ... population, field researchers can measure the magnitude of this predicted buffer effect. The models described here can guide their efforts and help species ...

ASU research shows connection between testosterone, dietary antioxidants and bird coloration

... a red beak and enough to combat testosterone, which you also need to be red.” McGraw and Ardia describe their findings in “Do carotenoids buffer testosterone-induced immunosupression" An experimental test in a colorful songbird,” in the current issue (June 6, 2007) of Biology Letters, a ...

Hearts of male and female rainbow trout are different

... prepared in one of two ways: (1) incubated without stimulation (i.e., ventricle strips were incubated in a respiration cell containing an oxygenated buffer solution with glucose as the energy substrate). Oxygen consumption was measured using a calibrated oxygen electrode and data acquisition system; or ...

Healthy coral reefs hit hard by warmer temperatures

... Understanding the causes of disease outbreaks will help ecologists protect reef-building corals, which support commercial marine species and buffer low-lying coastal areas. "More diseases are infecting more coral species every year, leading to the global loss of reef-building corals and the ...
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(Date:7/9/2014)... (July 9, 2014) Emerging fungal pathogens pose ... parasitic group, causing population declines of amphibians, bats, ... University of South Florida published in the prestigious ... acquire behavioral or immunological resistance to a deadly ... , "Acquired resistance is important because it ...
(Date:7/9/2014)... ill children with traumatic injuries have identified an ... to develop a hospital-acquired infection. The study, led ... online in June in the journal Shock ... could lead to the clinical implementation of quick-turnaround ... reverse immune system damage following critical illness or ...
(Date:7/9/2014)... the prevalence of antibiotic-resistant illness, Case Western Reserve ... disabling disease: blocking bacteria,s access to iron in ... siderophore, a small molecule, captures iron from two ... as well as how the body launches a ... appear in a recent edition of The ...
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(Date:7/9/2014)... The National Institute of Allergy and Infectious Diseases ... has launched an early-stage clinical trial of CRS3123, ... Clostridium difficile ( C. difficile ) infection. ... agent that inhibits C. difficile growth while sparing ... will enroll up to 30 healthy men and ...
(Date:7/9/2014)... poor printing on prescription labels handed out by ... errors in taking medication, according to new research ... National Institute for the Blind)., The study, published ... found that labels on prescription medications dispensed by ... for legibility. , By simply following recommended guidelines ...
(Date:7/9/2014)... A study published in the scientific journal ... Bonin, two researchers at Universit Laval, reveals that it ... method that involves rekindling pain so that it can ... means to alleviate chronic pain. , The researchers from ... universitaire en sant mentale de Qubec (IUSMQ) were inspired ...
(Date:7/8/2014)... and cardiovascular health as other healthy mature individuals, according ... Journal of Transplantation . The findings may provide some ... professionals caring for them. , Over the past two ... and older has become more common. Given the links ... removal of a kidney could make older donors vulnerable ...
(Date:7/8/2014)... A team of clinicians from Plymouth, UK, and Sydney, ... 10th July Australia) launched ACEmobile - a free-to-use app ... , ACEmobile is the first of its kind; an ... tool provides support through the whole process, meaning more ... out this type of assessment. Designed by clinicians for ...
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