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Tag: "design" at biology news

Grasshopper love songs give insight into sensory tuning

...ight improve our understanding of the evolutionary design of the specific sensory system," they wrote. ...

California computer scientists double volume of data in NIH biotech repository

... deeper understanding of the data will improve the design of studies that look for associations between cert...ollaboration with NCBI researchers will be to help design disease-association studies. "If a researcher is interested in a specific gene, we can use all the a...

U-M scientists say fused genes trigger the development of prostate cancer

... deeper understanding of the data will improve the design of studies that look for associations between cert...ollaboration with NCBI researchers will be to help design disease-association studies. "If a researcher is interested in a specific gene, we can use all the a...

New antibody shows promise as cure for anthrax

...ncern to national defense is that terrorists might design a strain of anthrax that is resistant to antibiotics, but this antitoxin could eliminate those concerns by providing an effective treatment that doesn't require antibiotics." Anthrax infection is successfully treatable only in its early stages, when...

Shade trees getting 'scorched' by plant disease

...curs, avoid planting highly susceptible trees, and design new tree plantings with a diverse complement of tree species. More on the symptoms of BLS and disease management options is available in this month's APSnet feature article at http://www.apsnet.org/online/feature/bls/ . ...

Researchers learn how blood vessel cells cope with their pressure-packed job

...h scientist Shunichi Usami, who contributed to the design of the miniature workout chambers. Silicone rubber membranes inside the chambers were coated with a protein that allowed the endothelial cells to adhere to the membranes in a manner similar to how they attach to underlying blood vessel tissue in the ...

HIV inserts into human genome using a DNA-associated protein

...he human genome, which has implications for better design of gene-therapy delivery. Retroviral vectors are often used to introduce therapeutic genetic sequences into human chromosomes, such as in the delivery of Factor VIII for hemophilia patients. HIV integrates into active transcription units on chromos...

'Smart' nanoprobes light up disease

...eed for a biopsy or invasive surgery. The probe's design makes use of a technique called "quenching" that involves tethering a gold nanoparticle to the quantum dot to inhibit luminescence. The tether, a peptide sequence measuring only a few nanometers, or billionths of a meter, holds the gold close enough ...

Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see

... and researchers hope that details of this complex design might, one day, uncover the roots of such neurological diseases as schizophrenia. "We know already that schizophrenia is a problem with organization of inhibitory circuits of neurons, and now we are uncovering how these specialized nerve cells work ...

UT Southwestern researchers unravel control of growing blood vessels

...detailed mechanism, it is now possible to begin to design therapies to interfere with it and thereby potentially prevent various vascular disorders in humans," said Dr. Eric Olson, chairman of molecular biology and senior author of the paper. The work appears in the August issue of the journal Developmental...

Computer models aid understanding of antibody-dependent enhancement in spread of dengue fever

...ission--such as antibody-dependent enhancement--to design optimal dengue vaccination strategies," said Donald S. Burke, MD, senior author of the study and professor in the Department of International Health at the Bloomberg School. "Dynamic effects of antibody-dependent enhancement on the fitness of virus...

A new step towards an AIDS vaccine

...pathway whereby DC function can be targeted in the design of efficient vaccines or immunotherapies for HIV. ...

Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer

...and non-Hodgkin's lymphoma. The next step is to design a more efficient complex. "Right now we saturated the nanoparticle, and it may not be necessary to use that much of the drug," she says. "It might help us optimize doses for tumor cell destruction and image quality, and cut costs too." Tumor-Targe...

Storing carbon to combat global warming may cause other environmental problems, study suggests

...Roy then used computer climate models of their own design to simulate how added forest moisture might affect climates in those regions. "While a weather forecaster makes predictions about the weather for the next day or week, we instead forecast climate given other kinds of scenarios, such as changes in la...

New technique multiplies life span in simple organisms

...s master the levers of aging, they will be able to design drugs that coax the body into entering chosen aspects of a starvation-response mode, such as stress resistance, even when food is plentiful. If enough food is available, an organism might be programmed both to reproduce normally and to maximize its ...

Looking for the genes that affect a person's level of response to alcohol

...e," said Schuckit. "What's interesting about this design is that researchers used what we would say are two separate phenotypes," said Hesselbrock. "One is the person's subjective opinion of feeling intoxicated, which is the scale used, and the other one is an objective behavioral measure, which is body s...

Marathon of nano-sprinters

...ntitative theory should also be useful in order to design biomimetic transport systems for lab-on-a-chip applications -- in which, for example, molecular mo-tors transport certain molecules to specific reaction sites. Depending on the arrange-ment of the filaments in these systems, varying the travel distan...

Changes to embryos can elicit change in adult fish

...sults in a lower mechanical advantage and a better design for suction-feeding. This negative correlation is produced by genetic integration." But, when the team mapped the regions of the genome controlling the jaw-opening system, they found that these levers are controlled by different chromosomes. ...

Image of myosin-actin interaction revealed in cover story of Molecular Cell

...ng new research template onto which scientists can design new sets of experiments to further refine the myosin-actin binding region and to correlate it with loss or gain of function. The precise characterization of this myosin-actin interface is critical, evident by the way a single amino acid change in my...

Switching to new anti-bacterial targets: Riboswitches

... purine riboswitches, opens a path to the directed design of drugs targeting riboswitches for use as antibiotics. According to the researchers, it is inevitable that bacteria will evolve and that the drugs we use to cure bacterial infections will eventually become ineffective. While it is often possible to...

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