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Tag: "want" at biology news

Many couples choose to donate surplus embryos for stem cell research

...ard the embryos. "Among the couples who did not want to increase their family, 90% support the donation of embryos to stem cell research in a Catholic country—and, most importantly, almost no couple wants just to destroy the embryos," Menendez said....

MIT: Pulsing light silences overactive neurons

...you are patient and think carefully about what you want to do, you can find a molecule that is very close to what you want, and with a little bit of luck it will turn out to work," Boyden said. The halorhodopsin work is one of the first projects from the Media Lab Neuroengineering and Neuromedia Group,...

Coated nanoparticles solve sticky drug-delivery problem

...gineering who supervised the research. "But if you want to deliver medicine in a microscopic particle, they can also keep the drugs from getting through. We've found a way to keep helpful nanoparticles from sticking to mucus, and we learned that the openings in the mucus 'mesh' are much larger than most p...

Biologists call for better choice of model organisms in 'evo-devo'

...luminate all evo-devo’s central themes. "If we want to understand how insects evolved wings or how legs developed from fins, we need to judiciously choose several models from specific parts of the phylogenetic tree. "There is little point in blindly increasing the diversity of model systems, withou...

MIT device draws cells close -- but not too close -- together

...hat supports it. "If you can get away with it, you want to get rid of the supporting cells," she says. This simple device will also be useful for exploring a host of other cellular interactions. Most prominently, the device could be very useful in exploring embryonic development, during which the local...

Investment level in HIV prevention programs related to HIV incidence in the United States

...predicted HIV incidence since the mid-1980s. If we want to lower infections further in the U.S., these analyses suggest we should consider increasing our national investment. Yes, that may seem expensive, but HIV medical care easily tops $20,000 per patient per year. Therefore, funding of effective, scien...

Research project tackles 'regeneration' gap

... we did in the early stages of our development. We want to learn how to turn those systems back on in people." Recently, studies have shown humans possess some of the same genes and communication pathways used by some of nature’s most remarkably regenerative animals. Already, UF McKnight Brain Inst...

Faster, low cost sequencing technologies needed to drive era of personalized medicine

... billion Human Genome Project to days. "If you want to develop a technology to sequence an individual genome for $1,000, you have to think about using nanotechnology," said Zhang, associate research professor in the Center for Single Molecule Biophysics at the Biodesign Institute. "The technology is ...

White blood cells of cancer-resistant mice overwhelm natural defenses of cancer cells

...anted to ordinary mice. Cui and Willingham also want to explore how this one process can detect a wide range of cancer cells of so many different types. The dogma of cancer fighters has always postulated that there are many different cancers. "This new research in mice suggests that there may be some t...

Microbes compete with animals for food by making it stink

...ave been that the predators smelled it, but didn't want it." Counting the species found in the traps con...one crabs were handed the rotten fish, they didn't want to eat it," Hay said. Next, researchers tested whether microbes directly affected the palatabilit...

Proteins may predict lung transplant rejection

...ase is already fairly advanced, Wendt said. "We want to identify people at risk of chronic rejection before they have the clinical manifestations," Wendt said. In addition to early identification, the researchers hope to eventually open the door to developing a preventative treatment and also gain insi...

Lungs try to repair damaged elastic fibers

... ending elastin fiber production. Physiologists want to understand this process in the hope that it could be harnessed to repair the diseased adult lung. In particular, Woods and his colleagues looked at three genes associated with elastic fiber assembly: Emilin-1, MFAP2 and elastin. They found the exp...

Novel experiment documents evolution of genome in near-real time

.... "There may be a number of biotech companies that want to use this new approach to help design bacteria to do useful jobs." UCSD's office of Technology Transfer and Intellectual Property Services has filed U.S. patent applications related to the experimental evolution approach. The approach combines co...

Bacteria in small sea life yield new way to make potential cancer drugs

...ounds can be synthesized from DNA, the researchers want to figure out how to produce greater quantities of compounds for testing and drug development. E. coli is a good producer of compounds, but yields are not yet practical. ...

German researchers develop first non-invasive test to measure skin aging

...ng blue and green. Currently, dermatologists who want to check out the collagen network of a patient's dermis need to remove a sample of tissue and analyze it in the lab, under a microscope or by other methods. In particular, it is impossible to monitor variations in the very same spot as aging progress...

Math model predicts cancer behavior

...anta said. "That's the kind of predictive power we want to generate with our model for cancer invasion." Quaranta and colleagues at Vanderbilt University and the University of Dundee in Scotland developed a computational model for cancer invasion and described the model in the Dec. 1 issue of Cell. The ...

Underweight women at greater risk of miscarriage

...nswers, these findings are going to help women who want to reduce their risk of losing a baby in pregnancy'. ...

The power of one: A simpler, cheaper method for cell fusion

... own body or from another live organism, you would want to take as few as possible." Lu's device consists of fluid-filled channels inside a tiny microchip. Prior to fusion, cells are engineered to bond to one another by using a minor chemical treatment. Cells are first placed in an aqueous chamber with...

Learning during sleep?

...ave previously assumed." The brain researchers now want to find out which of the possible explanations applies. In any case, the scientists can use their new experimental method to investigate many other open questions in brain research. Thomas Hahn emphasised: "Putting the behaviour of a single neuron...

Mysterious 'neural noise' actually primes brain for peak performance

...ry information from the world around us. But if we want to do something, such as jump over a stream, we need to extract data that is not inherently part of that information. We need to process all the variables we see, including how wide the stream appears, what the consequences of falling in might be, an...

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