Tag: "strength" at biology news
1 of deep ocean's most turbulent areas has big impact on climate
...lance of water temperatures that helps control the strength
of the Gulf Stream -- the strong, warm ocean curre...m and cold water in the Atlantic helps control the strength
of the Gulf Stream, which moves heat away from the Earths equator toward regions that receive much l...
Bacteria may not hasten death
...teria is similar in flies and humans, and it loses strength
with age in both species. The study suggests that all these factors may have nothing to do with aging. I think a lot of people would just assume that if youre increasing bacterial load in an aging human, it must be bad, Finkel said. And it migh...
How cells change the pace of their steps
...of Dictyostelium is not controlled by the sticking strength
of the adhesion points, but rather by the frequenc...though they periodically increase and decrease the strength
as part of the motility cycle. The faster cells could repeat the cycle, the faster they moved. The...
Nottingham biosciences million pound injection
as a UK Science City is further underlined today, with news that the Wellcome Trust, the UK's largest medical research charity, has awarded almost 1 million to an innovative biosciences company. The investment, under the Translation Award programme...
St. Jude study solves mystery of mammalian ears
...uding side effects of chemotherapy for cancer. One strength
of St. Jude is that researchers have the ability to ask some very basic questions about how the body works, and then use those answers to solve medical problems in the future. The long-standing argument centers around outer hair cells, which are r...
Boston Univeristy bioengineers devise 'dimmer swith' to regulate gene expression in mammal cells
...this chemical. The researchers demonstrated the strength
of their off switch by hooking it up to the gene for diphtheria toxin, then inserting it into cells. One molecule of diphtheria toxin can kill a cell, but with the genetic switch turned off, the cells survived for weeks. When the researchers flipped ...
New joint replacement material developed at MGH put to first clinical use
...t the first-generation material had limitations in strength
that made it unsuitable for some types of joint replacement implants. Subsequently, Muratoglu found that oxidation could be blocked by diffusing the antioxidant vitamin E throughout the polyethylene material. Both mechanical testing and animal stud...
Purdue-IU researchers explore new method for early disease diagnosis
...tery said. "The combination of Purdue's research strength
in chemistry and the IU School of Medicine team's knowledge of pediatric metabolic disorders allowed us to quickly advance this technology," he said. "We were able to evaluate the accuracy of the technique by testing it on samples known to contain c...
Synthetic adhesive mimics sticking powers of gecko and mussel
...orms extremely well underwater, with high adhesion strength
(like a mussel). The material performs similarly i... out of the polymer coating and found the adhesion strength
dropped rapidly, illustrating the importance of the synthetic amino acid. DOPA, said Messersmith, is...
Unraveling the physics of DNA's double helix
...of four bases, which encode genetic sequences. The strength
of the interactions within individual strands come...ical bonds between opposing bases, measuring their strength
by "unzipping" the molecules' two strands, Marszalek said. Studies of intact DNA make it difficult f...
News tips from the Journal of Neuroscience
...wled toward the negative pole. The threshold field strength
was about 3 V/cm. However, rather than going direc... These neurons were sensitive to the direction and strength
of electric fields as measured by calcium imaging of immobilized worms. The behavior may provide a u...
Engineered blood vessels function like native tissue
...en and elastin, which give connective tissue their strength
and elasticity and are critical to the functioning of artificial blood vessels. These are the first tissue-engineered vessels to demonstrate the ability to make elastin in vivo, said Andreadis. In addition, the smooth muscle cells isola...
Chickens also orient themselves by the Earth's magnetic field
... compass is additionally finely tuned to the field strength
of the Earths local magnetic field, but can also b...also reacts to the inclination and the local field strength
of the Earths magnetic field. The magnetic sensor is probably situated in the eye, since the birds n...
Soil particles found to boost prion's capacity to infect
...als we examined. However, we were surprised by the strength
of the binding," notes Joel Pedersen, a UW-Madison professor of soil science who helped direct the new study. The Wisconsin team also looked at the ability of the prion to bind to two other common soil minerals: quartz and kaolinite, another commo...
Skin rash actually signifies better outcomes for pancreatic and lung cancer patients
...acebo developed a rash, but it could be due to the strength
of their immune system, and that is why they survived longer, Wacker said. In the second clinical trial (known as PA.3) that tested Tarceva and the chemotherapy drug gemcitabine against a placebo drug and gemcitabine in 521 patients with advanced ...
Mother-of-pearl -- Classic beauty and remarkable strength
...orms would be the first step toward harnessing its strength
and simplicity, she says. "We don't know how to s...ements of nacre architecture that may underlie its strength
and offer clues into how this remarkable material forms. Like our bones and teeth, nacre is a bio...
New dynamic brace developed to advance clubfoot treatment
...s brace, to allow active movement, preserve muscle strength
in the foot and ankle and be less restrictive to the child than the traditional brace. Dobbs tested the brace on 28 patients who had already received non-surgical treatment for their clubfeet at St. Louis Children's Hospital and St. Louis Shriners ...
New genetic test developed at Emory advances detection and diagnosis of muscular dystrophy
...portant muscle protein involved in maintaining the strength
of muscle fibers. According to the National Institute of Neurodegenerative Diseases and Stroke (NINDS), DMD onset is between 3 and 5 years, with rapid progression. Most boys are unable to walk by age 12 and later need a respirator to breathe. Gir...
Story ideas from Molecular & Cellular Proteomics
...ds can be technically demanding and limited by the strength
of the interaction or cannot resolve whether the association indeed occurs inside cells. The new method developed by Cathy L. Miller, Max L. Nibert, and colleagues takes advantage of a strategy used by a virus called mammalian orthoreovirus. When t...
UC Davis is partner in new $125 million federal bioenergy research center
...t, is a mix of complexsugars and lignin that gives strength
and structure to plant cellwalls. By extracting simple fermentable sugars from lignocelluloseand producing biofuels from those sugars, the potential of the mostenergy-efficient and environmentally benign fuel crops can berealized. "The DOE JBEI wil...
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