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Tag: "gram" at biology news

Experiments provide proof of how traveling in groups protects insects

...dio transmitters -- each weighing less than half a gram -- to the backs of Mormon crickets in northeastern Utah and northwestern Colorado, Drs. Gregory A. Sword, Patrick D. Lorch and Darryl T. Gwynne showed experimentally that band formation indeed boosted insect survival. Sword is a research ecologist w...

Experiments provide proof of how traveling in groups protects insects

...dio transmitters -- each weighing less than half a gram -- to the backs of Mormon crickets in northeastern Utah and northwestern Colorado, Drs. Gregory A. Sword, Patrick D. Lorch and Darryl T. Gwynne showed experimentally that band formation indeed boosted insect survival. Sword is a research ecologist w...

Special Imaging Study Shows Failing Hearts Are 'Energy Starved'

...rgy transfer. “The heart consumes more energy per gram than any other organ,?notes Paul A. Bottomley, Ph.D., lead researcher and director of magnetic resonance research at the Johns Hopkins Department of Radiology. “While scientists have long known that nucleotide adenosine triphosphate (ATP) is the chem...

Cousin of Asian super termite invades Florida

...icity to humans and the environment. Less than one gram kills an entire colony containing millions of termites. The control is marketed worldwide as the Sentricon Termite Colony Elimination System by Dow AgroSciences. ...

Molecular miners find pain relief drugs from the sea

...ng used by Metabolic Pharmaceuticals to synthesise gram amounts of ACV1 needed for the planned human clinical trials for diabetic neuropathy. "With an increasing age demographic in our society the need for more effective pain suppressing compounds is a priority. ACV1 may fill this unmet need," Associate ...

Method slashes quantum dot costs by 80 percent

... Quantum dots typically cost more than $2,000 per gram from commercial sources, and pricey solvents like octadecene, or ODE - the least expensive solvent used in quantum dot preparation today - account for about 90 percent costs of raw materials. Heat-transfer fluids - stable, heat-resistant oils that a...

The right drug at the right time

... Quantum dots typically cost more than $2,000 per gram from commercial sources, and pricey solvents like octadecene, or ODE - the least expensive solvent used in quantum dot preparation today - account for about 90 percent costs of raw materials. Heat-transfer fluids - stable, heat-resistant oils that a...

Pillows - a hot bed of fungal spores

...d identified several thousand spores of fungus per gram of used pillow - more than a million spores per pillow. Fungal contamination of bedding was first studied in 1936, but there have been no reports in the last seventy years. For this new study, which was published online today in the scientific jou...

Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified

...otency so great that lampreys would smell a single gram dissolved in 10 billion liters of water, enough to fill 5,000 Olympic-sized swimming pools. This level of potency tops that of all other fish attractants, including those of salmon. To find the pheromone, the researchers extracted 8,000 liters of w...

Jefferson scientists identify gene defect leading to abnormal skin development and cancer

...otency so great that lampreys would smell a single gram dissolved in 10 billion liters of water, enough to fill 5,000 Olympic-sized swimming pools. This level of potency tops that of all other fish attractants, including those of salmon. To find the pheromone, the researchers extracted 8,000 liters of w...

Human albumin from tobacco plants

..., reaching an average of 0.9 milligrams of HSA per gram of fresh leaf weight. The key is the place where the gene in question is deposited. With the nuclear transformation method, it integrates into the DNA of the cell nucleus of the leaf and, thus, can only manage a small number of copies of the gene. ...

AIDS drug from sunflowers

...a new group of AIDS drugs. One million euros per gram 'Dicaffeoyl quinic acid can prevent the HI virus from reproducing, at least in cell cultures,' explains Claudio Cerboncini, who is now working at the caesar research centre. 'It is one of the few substances known today which inhibit viral integra...

New method for identifying microbes

...f species per milliliter of water or thousands per gram of soil," said Brookhaven biologist Daniel (Niels) van der Lelie, lead author of the study. "Elucidating this complexity is essential if we want to fully understand the roles microbes play in global cycles, make use of their enormous metabolic capabi...

Mushrooms as good an antioxidant source as more colorful veggies

... value of 9.7 micromoles of trolox equivalents per gram and criminis had an ORAC value of 9.5. Data available from other researchers shows carrots and green beans have an ORAC value of 5; red pepper 10; and broccoli 12. The ORAC assay, the most well known test of antioxidant capacity, focuses on the pero...

Microbes hitchhike across Atlantic on desert dust

...ies of dust across oceans and continents. Since a gram of desert soil may contain as many as 1 billion bacterial cells, the presence of airborne dust should correspond with increased concentrations of airborne microorganisms," says Griffin Viable bacterial and fungal populations were collected on 24 of ...

Dinosaurs -- stones did not help with digestion

...s also spans four orders of magnitude, from the 17 gram robin to the ostrich,' says Oliver Wings, who moved from Bonn University to Tübingen only recently. Yet what else were the dinosaurs' gastric stones used for? The researchers presume that they were accidentally eaten with their food or could have ...

Fast test for low blood flow in dogs detects early heart trouble

...ndeed, blood flows ranged from 0.3 milliliters per gram of heart tissue per minute to 8 milliliters per gram per minute. "We think this is a natural evolution of the technology and a significant improvemen...

ASU researchers test antibacterial effects of healing clays

...e area is huge (greater than 100 square meters per gram of clay ?bigger than a football field). As a result, surface chemical reactions from these sites have an enormous impact on the geochemistry of the local environment. Williams is passionate about her subject: "Clays are as individual in character ...

Study finds mercury prevalent in many western fish

...criterion" is set at 0.3 micrograms of mercury per gram of fish tissue. In the survey, only 2.3 percent of... mercury." Mercury levels of 0.1 micrograms per gram of tissue are considered a threshold of concern for fish-eating mammals, though little research has ...

Cellulosic ethanol: Fuel of the future?

...iscanthus so special? ''It uses less water per gram of biomass produced than other plants,'' he said. ''For example, to make a pound of alfalfa or spinach requires about 600 pounds of water, while to grow a pound of Miscanthus requires only about 200 pounds of water.'' According to Somerville, Misc...

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