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repulsive in Medical News

Plant based fake meat induces repulsive reaction

In a strongly worded news the Centre for Science in the Public Interest, has received more than 130 complaints from British and American consumers// to ban the sale of - the fake meat made from fungus that is sold under the brand name Quorn. It was found to induce vomiting and many people fell ill...

Growth Factors Help Neurons to Reach Their Correct Destination

...otrusions. These are called axons which finally help the nerves reach their destination. They guide the nerve cells through a series of attractive and repulsive chemical. While several recent studies discovered molecules that repel motor neuron axons from incorrect targets in the limb, scientists at the Salk I...

Chemical Signaling Helps Regulate Sensory Map Formation In The Brain

...balancing force has two components, Zou's team discovered, with one receptor drawn toward certain concentrations of Wnt3 and the other driven away. "A repulsive Wnt-Ryk pathway competes with an attractive Wnt-Frizzled interaction," the authors write, "to titrate the response to Wnt3 protein at different concen...

The Chemistry Of Sexual Attraction Between Male And Female Elephants

... pregnant or in a non-reproductive "luteal" phase were examined, a mild mating interest was seen when there was more of plus rather than minus form. A repulsive effect was observed when there were equal proportions of both forms. Rasmussen added: "All of these responses and resultant behaviors are meas...
repulsive in Medical Dictionary

Mastoid

...EAC was packed firmly with moist Gelfoam, and a mastoid dressing was placed. ... Mastoid . Opisthotic. Prootic. The mastoid is one of those repulsive little osteological features which mammals ... Attached to the mastoid process are the mm. ... View hundreds of interviews with experts in hear...
repulsive in Biological News

Identification of a key molecular pathway required for brain neural circuit formation

...of billions of interconnected neurons. To correctly form neuronal circuits, the developing axons (a long extension of a neuron) require attractive and repulsive molecules to lead them to their appropriate targets. One such molecule is Sonic Hedgehog (Shh). Five years ago, as a postdoctoral fellow in the labora...

A second career for a growth factor receptor: keeping nerve axons on target

...d runner, avoiding neighboring tracks. Constructing tracks made from the repulsive factor sensed by ephrin-A, the researchers confirmed that axons from normal...ked by the repellant. But neurons from mice lacking p75 were unreceptive to repulsive cues: when placed on the track their axons meandered all over the field, cr...

Can certain metals repel sharks from fishing gear?

...r use on longline fishing gear. The current project was undertaken to determine if small ingots of a relatively inexpensive electropositive alloy were repulsive to sharks under controlled laboratory conditions. If repulsion occurs consistently in the lab, the next step would be to conduct field trials. Bri...

Researchers take first steps towards spinal cord reconstruction following injury

...trin-1 as the key molecule responsible for this migratory pattern of stem cells following injury. In the developing nervous system, netrin-1 acts as a repulsive or attractive signal, guiding nerve cells to their proper targets. In the adult spinal cord, the researchers found that netrin-1 specifically repels ...

NSF awards Stevens team $1 million for research on smart, bacteria-repellent nanohydrogels

...the human body. Technically speaking, this project centers on the design and self-assembly of nanohydrogels that will either be adhesive to cells or repulsive to cells,?said Professor Matthew Libera, Principal Investigator on the project, which was funded under the umbrella of the NSFs Nanoscale Interdiscipl...

New roles for growth factors: Enticing nerve cells to muscles

...embryonic development, nerve cells hesitantly extend tentacle-like protrusions called axons that sniff their way through a labyrinth of attractive and repulsive chemical cues that guide them to their target. While several recent studies discovered molecules that repel motor neuron axons from incorrect targe...

Chemical signaling helps regulate sensory map formation in the brain

...alancing force has two components, Zou's team discovered, with one receptor drawn toward certain concentrations of Wnt3 and the other driven away. "A repulsive Wnt-Ryk pathway competes with an attractive Wnt-Frizzled interaction," the authors write, "to titrate the response to Wnt3 protein at different concen...

Gradient guides nerve growth down spinal cord

... direction are driven down the cord, away from the brain, under the guidance of a receptor, known as Ryk, with very different tastes. Ryk sees Wnts as repulsive signals. "This is remarkable example of the efficiency of nature," said Yimin Zou, Ph.D., assistant professor of neurobiology, pharmacology and phy...

UAB scientists discover the origin of a mysterious physical force

... Ever since the 1970s, scientists have been trying to establish the cause of a repulsive force occurring between different electrostatically charged molecules, such as DNA and other biomolecules, when they are very close to each other in a...
repulsive in Biological Technology

Scientists discover repulsive side to light force

New Haven, Conn.A team of Yale University researchers has discovered a "repulsive" light force that can be used to control components on silicon microchips, meaning future nanodevices could be controlled by light rather than electricity. The team previously discovered an "attractive" force of ...

Researchers measure elusive repulsive force from quantum fluctuations

CAMBRIDGE, Mass. January 7, 2008 Researchers from Harvard University and the National Institutes of Health (NIH) have measured, for the first time, a repulsive quantum mechanical force that could be harnessed and tailored for a wide range of new nanotechnology applications. The study, led by ...

New nanoscale process created by UCSB scientists will help computers run faster and more efficiently

...fact that they hate each other. Those are the BCPs." He explained that the interesting feature about this work is that the scientists combined the repulsive force with another self-assembly force which is slightly attractive. "What we do is take one BCP (made of two components that hate each other) ano...

Attraction at the atomic level

... had been superconducting at colder temperatures exhibited unique quantum properties at warmer temperatures indicating they possessed extremely strong repulsive forces. Unlike the electrons studied in low-temperature superconducting materials, the electrons in high-temperature superconductors that are most li...

News from the March 2008 American Physical Society Meeting

..., while the second type is non-complementary, neutral DNA, so it provides a repulsive force. The addition of the repulsive force allows for regulating the size of particle clusters and the speed of ...

Dark energy -- 10 years on

... Three quarters of our universe is made up of some weird, gravitationally repulsive substance that was only discovered ten years ago dark energy. This month in Physics World, Eric Linder and Saul Perlmutter, both at the University o...

New DNA-based technique for assembly of nano- and micro-sized particles

...s non-complementary, neutral DNA, which provides a repulsive force. In contrast to previous studies in which on...are attached to the particles, the addition of the repulsive force allows for regulating the size of particle c...cts as a molecular spring, and this results in the repulsive force among particles, which we can regulate. This...

The next generation: nanomagnets could replace semiconductors

...o demonstrate that the magnetization of adjacent magnets is possible and can be used to perform specific logic and computing operations, reversing the repulsive and attractive poles of magnets. The significance is potentially ultra-high density of magnetic computing components for significantly higher com...

Western way of life is under attack from jihad sub-culture

...es on Sept. 11, 2001. Again, not all Muslims are responsible. The Muslim American Society denounced the London bombings as brutal heinous cowardly repulsive crimes, and made it clear that Islam does not champion or condone such acts. But far too many Muslim clerics remain relatively quiet, and far too many...
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