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Tag: "chemist" at biology news

Chemists create 'Superbowl' molecule; May lead to better health

...les," says study leader Michael Sherburn, Ph.D., a chemist with Australian National University in Canberra. "These new molecules have much greater capacity and selectivity than their predecessors and show more promise for wider applications." "I wanted a name for our compounds which acknowledged this and re...

Nano-Probes Allow an Inside Look at Cell Nuclei

...bers of the lab of Paul Alivisatos, a Berkeley Lab chemist in the Materials Sciences Division and Associate Laboratory Director who helped pioneer the development of nano-sized crystals of semiconductor materials. Called quantum dots, these microscopic crystals have shown promise in such wide-ranging applica...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

... had identified cysmethynil, they worked with Duke chemist Eric Toone and chemistry graduate student David Gooden to synthesize the molecule and verify its chemical structure. A search of the chemical literature turned up no previous description of the chemical, leading the scientists to believe they had dis...

Chemists identify key gene in development of type 1 diabetes

...betes," says study leader Yousef Al-Abed, Ph.D., a chemist at the Institute for Medical Research of the North Shore-Long Island Jewish (LIJ) Health System in Manhasset, N.Y. "It is not the only factor involved in this complex disease, but it is certainly a promising target for its prevention and treatment." ...

Towards precise classification of cancers based on robust gene functional expression profiles

...betes," says study leader Yousef Al-Abed, Ph.D., a chemist at the Institute for Medical Research of the North Shore-Long Island Jewish (LIJ) Health System in Manhasset, N.Y. "It is not the only factor involved in this complex disease, but it is certainly a promising target for its prevention and treatment." ...

Chemists identify immune system mechanism for methamphetamine binges

...ll size," says study co-leader Kim Janda, Ph.D., a chemist at Scripps in La Jolla, Calif. Developing antibodi...his former student, Tobin Dickerson, Ph.D., also a chemist at Scripps. Other drugs of abuse, including nicotine and ecstasy (which is structurally similar to ...

Newly discovered pathway might help in design of cancer drugs

...y is like looking for a needle in a haystack," the chemist explained. "What we did was more like carrying out a precision attack. It let us get a closer look." ...

Study uncovers bacteria's worst enemy

...the journal Environmental Microbiology, Laboratory chemist Mary Neu and her colleagues describe their study of different naturally occurring bacteria used to treat actinide contamination. Actinides are the elements above atomic number 89 and are usually radioactive. The study's results indicate that actinide...

Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips

..., immunosuppressants and anti-cancer drugs that no chemist can synthesize. Bacteria normally produce antibiotics to inhibit other bacterial strains competing for resources. Pharmaceutical companies exploit this property to manufacture drugs, but the process of cultivating bacteria is slow and costly. By hija...

Breakthrough: Scientists create world's tiniest organic particles

...s organic compounds have been very successful, the chemist said. New studies with mice have recently begun at the UNC School of Medicine, which DeSimone joined as professor of pharmacology. "The process starts off when we make a master template in a clean room at places like the Triangle National Lithograph...

Promiscuous Catalytic Activity Possessed by Novel Enzyme Structure

...e in our hands now the ability to do things that a chemist might not be able to do, or if a chemist was able to do it, it could be expensive and time-consuming,?said Noel. “I think it’s a completely n...

Stem cell training program to make its Stanford debut

...e in our hands now the ability to do things that a chemist might not be able to do, or if a chemist was able to do it, it could be expensive and time-consuming,?said Noel. “I think it’s a completely n...

Quantum dots provide a faster, more sensitive method for detecting respiratory viral infections

...one of the first medical uses of nanotechnology, a chemist and a doctor who specializes in infectious childhood diseases have joined forces to create an early detection method for a respiratory virus that is the most common cause of hospitalization among children under five. Respiratory syncytial virus (RSV...

Nanotubes inspire new technique for healing broken bones

...erials such as bone," says Robert Haddon, Ph.D., a chemist at the University of California, Riverside, and lead author of the paper. Single-walled carbon nanotubes are a naturally occurring form of carbon, like graphite or diamond, where the atoms are arranged like a rolled-up tube of chicken wire. They are ...

A radical solution for environmental pollution

...ness the reactive chemistry of free radicals. To a chemist it's an elegant solution to a difficult problem---even if we still don't really understand how the enzymes that catalyze these reactions work, for everyone else it could mean less pollution." ...

Making plant cells work like miniature factories

...ng on the project are Sam Houk, an Ames Lab senior chemist who specializes in identifying trace elements using inductively couple plasma-mass spectrometry, and associate scientist and ISU chemistry professor Ethan Badman, who specializes in mass spectrometry and gas-phase methods of analysis for biological m...

Drugs from the deep blue

...ly dipped below the surface," Molinski said. This chemist sees natural products from marine organisms as an opportunity to answer questions in biology and find potential leads for the next generation of drugs, whether those are anti-fungals or treatments for cancer. Many pharmaceutical drugs on the market, ...

Scientists discover new way to look at how molecules twist and turn on water

...The findings of a team led by University of Oregon chemist Geri Richmond are featured on the cover of the Sept. 8 issue of the Journal of Physical Chemistry B . "We have developed a method to determine the tilt and twist angles of these molecules at the surface, a characterization that is important for u...

War on terror meets war on cancer

...om water outside the cell, says University of Utah chemist Eric Hegg, the study's principal author. If future research proves the same thing is true in mammalian cells, then the difference in isotopic makeup of water inside and outside of rapidly growing cells might be used to detect fast-growing cancer ce...

Natural compound from 'pond scum' shows potential activity against Alzheimer's

...says study leader Karl Gademann, Ph.D., an organic chemist at the Swiss Federal Institute of Technology (ETH) in Zürich. Gademann's lab specializes in identifying, synthesizing and studying new bioactive compounds from natural sources. There is no cure for Alzheimer's at present, although cholinesterase inh...

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