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Tag: "attracted" at biology news

Migration alert -- How tumor cells home in on the lymphatic system

...a lymphatic was blocked, tumor cells would be less attracted to it. This means that tumor cells “know” which lymphatic vessels will be more effective routes for dissemination,” she explains. “Therapeutically, it indicates that a drug target for lymph node metastases could be blocking the signaling molecule or...

Why do oysters choose to live where they could be eaten?

...he group set out to find: (1) if oyster larvae are attracted to settle on oyster reefs among adults of the same..., Tamburri has demonstrated that oyster larvae are attracted from a distance by the scent of adults from the same species. Yet, death for a larvae captured by a ...

New knowledge improves rice quality

...: Improving Rice Grain Quality" at IRRI. The event attracted 71 cereal chemists and other experts from more than 20 nations. "It’s very clear from the great response we got to the workshop that rice quality is becoming a very hot topic in rice research almost everywhere," the convener and head of IRRI’s G...

A new portable biosensor detects traces of contaminants in food more quickly and cheaply

...ies hook onto the contaminating particles they are attracted to the surface of a transductor which converts the contact with the antibodies into electrical signals. By measuring these electric signals the device can determine the concentration of contaminants in the sample. According to Isabel Pividori, res...

Selectivity is ultimate aphrodisiac

... liked my interaction partner" and "I was sexually attracted to my interaction partner." After returning home, they recorded on the study Web site whether they would be interested in meeting each person they had speed-dated again in the future. Mutual "yeses" were given the ability to contact one another...

ConocoPhillips establishes $22.5M biofuels research program at Iowa State

...d institutes across campus. Those researchers have attracted more than $57 million in sponsored research funding since 2002. The ConocoPhillips research program will add to that total. "Iowa State University, with its central location in the agricultural belt and rich traditions of research and service, is ...

Targeting tumors the natural way

... such as a monoclonal antibody, that is powerfully attracted to the target receptor and holds fast to any cell displaying it. Although this strategy has benefits, it's not natural, says Kiessling. Cell recognition in living systems instead involves binding agents that attach only weakly to any single target ...

Coated nanoparticles solve sticky drug-delivery problem

...he viruses that got through had surfaces that were attracted to water, and they had a net neutral electrical charge," said Samuel K. Lai, a Johns Hopkins chemical and biomolecular engineering doctoral student from Canada and Hong Kong who was lead author of the journal article. "We thought that if we could coa...

Genes and genius: Researchers confirm association between gene and intelligence

.... Intelligence was one of the first traits that attracted the attention of people interested in the interplay of genes and environmental influences. Early studies of adopted children, for example, showed that when children grow up away from their biological parents, their IQs are more closely correlated to ...

Microbes compete with animals for food by making it stink

...ies, fishes and snails. Many more animals were attracted to the freshly thawed bait than the rotten fish. "...shly thawed bait and aged, antibiotic-treated bait attracted animals more frequently than traps containing aged, microbe-laden menhaden. Then researchers extra...

Comprehensive model is first to map protein folding at atomic level

...0 amino acids, the building blocks of proteins, is attracted or repulsed by water; it's largely these affinities that drive the contorting of proteins into distinctive three-dimensional shapes within the watery confines of a cell. The split-second folding of gangly protein chains into tight three-dimensional s...

'Failed' experiment yields a biocontrol agent that doesn't trigger antibiotic resistance

...nd the Department of Defense, the company has also attracted so-called angel funding from outside investors. Filutowicz and Burgess are not on the payroll of the research park company themselves, but they are proud that ConjuGon employs other people and has created 12 high-paying and highly skilled jobs for t...

Selecting life: Scientists find new way to search for origin of life

...oceans. Some of these building blocks of life were attracted to specific mineral surfaces, where they collected, concentrated, and underwent further reactions. "Some 20 different amino acids form life-essential proteins," Hazen explained. "In a quirk of nature, amino acids come in two mirror-image forms, d...

U-M researchers use nanoparticles to target brain cancer

...d nanoparticles, suggesting the nanoparticles were attracted to the tumor site. The advantage of this delivery system is the ability to attack the tumor with higher doses of a drug while sparing normal tissue from a drug's toxic side effects. "Our research suggests that you can take a drug that may be t...

Blue eyes -- A clue to paternity

...fore reasonable to expect that a man would be more attracted towards a woman displaying a trait that increases his paternal confidence, and the likelihood that he could uncover his partner's sexual infidelity. Eighty-eight male and female students were asked to rate facial attractiveness of models on a comp...

Pure carbon nanotubes pass first in vivo test

...que chemical and optical properties, and they have attracted intense interest from biomedical researchers. "The early results are promising for anyone interested in using carbon nanotubes in biomedical applications," said co-author Dr. Steven Curley, professor of surgical oncology and chief of gastrointesti...

Parasitic plants sniff out hosts

...wild impatiens, and showed that the parasites were attracted to a wide variety of plants. They even found attraction to wheat plants, a poor host on which the dodder seedlings do not survive. However, when the researchers offered the seedlings a choice between wheat and tomato plants, the tomato won out, ind...

New study reveals structure of E. coli multidrug transporter protein

...and hydrophilic groups-molecules that repel or are attracted to water, respectively. The x-ray structure of the EmrD transporter-determined with data collected at the Stanford University Synchrotron Radiation Laboratory and the Advanced Light Source at the University of California, Berkeley-revealed an inte...

Do angry men get noticed?

...ionary terms, it makes sense that our attention is attracted by threat in the environment. It has long been hypothesized that facial expressions that signal potential threat, such as anger, may capture attention and therefore "stand out" in a crowd. In fact, there are specific brain regions that are dedicated ...

A rice future for Asia

...er said. "The recent sequencing of the rice genome attracted enormous international attention, especially among the scientific community, yet most young Asians still don't know it even happened, let alone understand its implications for the food they eat each day." During their five days at IRRI, the students...

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