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Tag: "compounds" at biology news

Scientists discover the body's marijuana-like compounds are crucial for stress-induced pain relief

... that the release of the body's own marijuana-like compounds is crucial to stress-induced analgesia ?the body's... of the brain's naturally occurring marijuana-like compounds as having a crucial role in blocking pain, but no one understood the conditions in which these compo...

Deep sea algae connect ancient climate, carbon dioxide and vegetation

...ngs were based on calibration of carbon-containing compounds produced by ancient sea surface algae that were recently isolated in deep sea drill cores. The data indicates that between 45 - 34 million years ago the atmospheric carbon dioxide level was up to five times greater than today, with a sharp decrease ...

Invasive parasite destroying fish species

...ngs were based on calibration of carbon-containing compounds produced by ancient sea surface algae that were recently isolated in deep sea drill cores. The data indicates that between 45 - 34 million years ago the atmospheric carbon dioxide level was up to five times greater than today, with a sharp decrease ...

Evolution of taste receptor may have shaped human sensitivity to toxic compounds

...idence suggesting that the ability to taste bitter compounds has been strongly advantageous in human evolution....aste and smell, for protection against the harmful compounds found in nature. It is widely believed that behavioral and dietary choices may have reduced the impo...

Stem cells grown in lab mirror normal developmental steps

...ngs were based on calibration of carbon-containing compounds produced by ancient sea surface algae that were recently isolated in deep sea drill cores. The data indicates that between 45 - 34 million years ago the atmospheric carbon dioxide level was up to five times greater than today, with a sharp decrease ...

Green catalyst destroys pesticides and munitions toxins, finds Carnegie Mellon University

...em as possible endocrine disruptors. Many of these compounds cannot be destroyed by existing means. The catalyst, one of a family of catalysts called Fe-TAMLs (TAML stands for tetra-amido macrocyclic ligand), works with hydrogen peroxide. Its "green" design is based on elements used naturally in biochemistry....

Breakthrough: Scientists create world's tiniest organic particles

...rrying genetic material, pharmaceuticals and other compounds of unprecedented small size and uniformity. The ti...ic testing or therapy.Studies with various organic compounds have been very successful, the chemist said. New studies with mice have recently begun at the UNC Sc...

Environmental chemical cocktail may sabotage sperm

...e at very low concentrations, with combinations of compounds being even more potent, these results could have i... that human sperm are even more sensitive to these compounds than mouse sperm." Prof Fraser and her team tested combinations of three chemicals: genistein, 8-pr...

Novel compounds show promise as safer, more potent insecticides

... insecticides, which represent the first synthetic compounds designed to activate a novel insecticide target ca...n Wilmington, Del., is developing another group of compounds that target the ryanodine receptor. Called anthranilic diamides, these novel compounds show excellen...

Anthrax inhibitors identified by Burnham team

...tructure for small-molecule inhibitors of LF. Lead compounds were synthesized and validated as highly potent an...ctive against LF in vitro. In in vitro assays, the compounds did not affect prototype human metalloproteinase enzymes that are structurally similar to LF. This i...

Scientists discover that three molecules may be developed into new Alzheimer's drugs

...scovered three molecules –?from a search of 58,000 compounds –?that appear to inhibit a key perpetrator of Alzh... binding at the pocket is difficult. Of the three compounds that the research group found, the scientists were able to locate where they bind. They found that o...

Scientists at Galileo Pharmaceuticals confirm inflammatory response linked to glucose levels

...scovered three molecules –?from a search of 58,000 compounds –?that appear to inhibit a key perpetrator of Alzh... binding at the pocket is difficult. Of the three compounds that the research group found, the scientists were able to locate where they bind. They found that o...

Harmless virus may hold key to more effective HIV drug discovery

... phage display technique successful in identifying compounds that show potential to overcome drug resistance A...iologists have found. In order to better identify compounds that can outmaneuver a virus' effort to mutate and multiply, Gregory Weiss and Allison Olszewski emp...

Study shows how retinoic acid enters a cell's nucleus

... it can be converted to RA, a member of a group of compounds that enter a cell's nucleus and play a role in triggering transcription. This is a basic process for relaying genetic information and switching genes on and off. In this role, RA can inhibit tumor growth. In fact, past clinical trials have shown that...

Compound might defeat African sleeping sickness, clinical trial beginning this month

... exclusive, worldwide license to DB289 and related compounds developed by the UNC-based scientific consortium for African sleeping sickness and other devastating diseases such as TB, which together affect millions of people annually," Tidwell said. "Besides DB289, several potential drug candidates in early dev...

University of Nevada, Reno research team discovers hormone that causes malaria mosquito to urinate

... pesticide for controlling mosquitoes. "Synthetic compounds that mimic the action of these peptide hormones should be useful as pesticides," Schooley said. "Like methoprene, DH31 only affects lower species such as insects, which suggests it should be very safe to non-insect species." Schooley said that disc...

Promiscuous Catalytic Activity Possessed by Novel Enzyme Structure

...olecules because these bacteria- and plant-derived compounds are involved in a wide variety of important biolog...ules, ranging from plant flavonoids ?for instance, compounds found in hops that give beer its bitter taste or in other plants act as sunscreens, pigments, or ant...

Stem cell training program to make its Stanford debut

...olecules because these bacteria- and plant-derived compounds are involved in a wide variety of important biolog...ules, ranging from plant flavonoids ?for instance, compounds found in hops that give beer its bitter taste or in other plants act as sunscreens, pigments, or ant...

NIH creates nationwide network of molecular libraries screening centers

...lready, the repository has acquired nearly 100,000 compounds that are being utilized by the NCGC. "This new Sc...aid NIMH Director Thomas R. Insel, M.D. "Using the compounds from the Molecular Libraries Small Molecule Repository and supported by the informatics capabilities...

New lead reported in tumor angiogenesis

... hypothesis. "Over the past several years, various compounds have been developed to inhibit secreted proteins s...nesis," said Wang. "To date, though, none of these compounds have been very effective as cancer therapies, suggesting that other factors may play a role. We thin...

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