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Tag: "respect" at biology news

Potent possibilities for parasite attack

... infection. "In addition to their function with respect to promoting diverse clinical outcomes," commented David Sacks, PhD, Head of the Intracellular Parasite Biology Section at the National Institute of Allergy and Infectious Diseases, Bethesda, USA, "the remarkably limited number of species-specific ge...

Runners -- Let thirst be your guide

...mia (EAH), could be prevented if only people would respect their personal thirst “meter,” or would undertake a “sweat test” to determine how much water they actually need to drink in order to replace just the body fluids lost during exercising, the researchers say. A group of experts in this condition has...

3-D ultrasound scanner provides in-depth view of the brain

... shift the orientation of the ultrasound beam with respect to the probe, he said. Rather than capturing a side view, the brain probe "looks" straight ahead by emitting ultrasound waves like water from a hose. That way, it can produce an image of the brain with just the tip inserted through the skull. The ...

US control strategies may make flu epidemics worse, UCLA study shows

...lfish individuals reach a collective behavior with respect to a common dilemma by adapting to what they think are other people's decisions. The group modeled each individual's strategy for making yearly vaccination decisions as an adaptive process of trial and error. They tracked both individual-level decisi...

Scientists: As rainfall changes, tropical plants may acclimate

... big changes in rainfall in at least one important respect ?how they get nutrients. The plants largely rely on one form of the vital nutrient nitrogen in moist areas. But in the still wetter terrain that characterizes some rainforests, they switch to another form of nitrogen that becomes more available in th...

Implanting dopamine generators in brain cells obtains improvement in Parkinson's in monkeys

...nd in humans. The advantage of this cell type with respect to others is the possibility of carrying out autoimplants, thus avoiding tissue rejection or immunosupressor treatment. Research Research was undertaken with monkeys who had Parkinson's induced by the administration of a neurotoxin (MPTP) and...

OHSU surgeon implants donated tissue allografts

..., it turns out, are among the most beneficent with respect to providing their bodies to organ donation programs in the entire country." Until recently, however, it was difficult to access some of these tissues for transplantation. Now, as a result of a new cooperative conceived by OHSU surgeons and admini...

Fighting to keep Darwin in the classroom

...t importance. This is most urgently required with respect to evolution, which commands acceptance by less than half the American public. Springer's new journal is very timely and indeed well overdue. It is sure to play a major role in science education in the United States and beyond." Telmo Pievani, P...

Researchers from the UGR use a bacterium to obtain biopreservatives from food

...a beginning and an end." AS-48 is very stable with respect to pH and temperature and has a broad action spectrum against numerous bacteria, including pathogenic bacteria transmitted by food, "which makes it a suitable molecule to use as a biopreservative." The research carried out at the UGR will complete...

Organic is healthier: Kiwis prove that green is good

...ve features and reviews. Opinion-formers worldwide respect Chemistry & Industry for its independent insight. About the Journal of the Science of Food and Agriculture The Journal of the Science of Food and Agriculture (JSFA) publishes peer-reviewed original research and critical reviews in these are...

Smokers quit after damage to brain region

...ested the phenomenon could be "generalizable" with respect to alcohol abuse, overeating and other addictions. The discovery of the insula's role in addiction opens new directions for therapies, Bechara said, including possible drugs targeted to a region that "no one paid attention to." "There is a lot of...

Cholera pathogen reveals how bacteria generate energy to live

... how the structure of the enzyme is organized with respect to the two sides of the membrane. The problem is that the enzyme is not amenable to standard methods of determining structure. Since an ion pump needs to carry ions from one side of the bacterial membrane to the other, the enzyme has to reach all the...

Who gives stem cells their marching orders?

...d to let individual cells know where they are with respect to their neighbors. However, to carry out these tasks, the Nodal protein must be cleaved by specific enzymes. The enzymes act as a sort of regulatory switch, increasing the stem cells' production of Nodal and preventing them from differentiating too ...

Development of gene therapy

... careful risk/benefit assessment, although in this respect it does not differ substantially from other therapeutic approaches. Gene therapy is defined as the introduction of genes into tissues or cells via gene transfer, with the purpose of deriving a therapeutic or preventative benefit from the function of...

Save the whales? Sure, but how many?

... to us, and to satisfy ethical teachings regarding respect for nature,' said Dr. Sanderson. Sanderson's system argues that once demographic sustainability has been achieved, conservation efforts should aim next for 'ecological functionality,' which means a species will serve its role in ecosystems, such as...

Melatonin improves mood in winter depression

... winter, resulting in a circadian phase delay with respect to sleep similar to what happens flying westward. Some people appear to be tracking to the earlier dusk of winter, causing a similar amount of misalignment but in the phase-advance direction. Symptom severity in SAD patients correlated with the misal...

Results with newer bladeless LASIK equivalent to standard microkeratome LASIK

...yes that had bladeless or microkeratome LASIK with respect to visual acuity (vision as measured by reading an eye chart), contrast sensitivity (ability to discriminate bright objects from dark objects), or in perception of stray light or glare, such as the glare from oncoming headlights," says Sanjay Patel, ...

The secret lives of sea slugs

...." The observations that sea slugs navigate with respect to water flow and direction based on odor and other cues will inspire further studies of this behavior and aid scientists studying the nerve cells involved in navigation, an important problem every animal faces. "Once you know what a behavior is, y...

Corals switch skeleton material as seawater changes

...'s experiments do, however, have significance with respect to global warming and ocean acidification, Ries said, because they reveal that although corals can adapt mineralogically to altered seawater chemistry, doing so slowed the corals' rate of growth by nearly 65 percent. "This provides us with further e...

Smell of success for nanobiosensors

...breath varies in patients with the malignancy with respect to healthy individuals. Moreover, smell technology could, for example, be used to detect rotten food, test cosmetics and pharmaceuticals, identify pollutants or scan for drugs and bombs at airports, replacing chemical sensors that are only able to de...

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