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Tag: "worked" at biology news

DNA Molecules Used To Assemble Nanoparticles

...oi said. But now that the assembly system has been worked out, other forms of dendrimer clusters are in the works. "If you wanted to make a therapeutic that targeted five drugs to five different cells, it would be 25 synthesis steps the traditional way," Baker said. At two to three months per synthesis, an...

Quantum Dots Research Leads to New Knowledge about Protein Binding in Plants

...ical Engineering andBotany and Plant Sciences have worked together to discover a way toutilize Quantum Dot bio-conjugates to uncover new knowledge about the binding of a protein at the growingpollen tube tip. This protein plays a critical role along with anotherprotein (chemocyanin) in guiding sperm-laden ...

Growth in the sea comes down to a struggle for iron

...Wells specializes in chemical oceanography and has worked in places as varied as Rhode Island's Narragansett...f this rapid change," says Wells. The two vessels worked together in the patch for 12 days but operated independently most of the time. New security guidelin...

Affymetrix Unveils Plans to Double Plant and Animal Genome Microarray Offering

...tandard GeneChip brandplatform. In 2004 Affymetrix worked closely with global researchcommunities to launch eight plant and animal genome arrays: Vitisvinifera (grape), soybean, wheat, rice, maize, bovine, chicken, andporcine."By underwriting the design fees required to produce these new arrays,Affymetrix i...

Computers to be used to find blueprint for new influenza drug

...ns, the atomic structure of a suitable drug can be worked out. Using computer modelling in this way can be of great assistance in drug design. Normally drugs are produced by trial and error in a process that can take many years. Professor Williams and his colleague Dr Gus Ruggiero will use part of the gra...

Researchers reveal the infectious impact of salmon farms on wild salmon

... on West Nile virus and invasive species. "We have worked out the spatial footprint ?the data are strong and show that the farms are having a significant impact over a very large area." The researchers isolated the effect of the salmon farm by studying the infection levels of migrating juvenile pink and ch...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

...cher in the lab of Stuart Schreiber. Together they worked out techniques to examine the way genes are packaged in yeast. To go from yeast to humans required a technological breakthrough, however. "Most prior studies involved only single genes, but we wanted to investigate entire chromosomes, which contain ...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...ith the same result, says Lachman.Researchers also worked with mice that were genetically engineered toover-express HER2/neu. These mice normally develop breast cancer in allten of their mammary glands by the time there are 120 days old. In thisexperiment, they vaccinated the mice three times with VRP-neu, ...

Scientists identify genetic pathways essential to RNA interference

...owerful therapeutic tool. Although the process has worked well in studies of cultured human cells, it has not yet been effective for experimentally suppressing gene expression in living mammals. Identifying each step in the RNAi process could lead to more successful inactivation of disease-related genes. An...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...ith the same result, says Lachman.Researchers also worked with mice that were genetically engineered toover-express HER2/neu. These mice normally develop breast cancer in allten of their mammary glands by the time there are 120 days old. In thisexperiment, they vaccinated the mice three times with VRP-neu, ...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

... the 1890s and the 1930s, when the U.S. government worked to establish fox farming businesses on the islands. Mostly arctic foxes and smaller numbers of red foxes were introduced to more than 400 islands. Byrd, who has been involved in restoration efforts in the Aleutian islands since 1971, said most of th...

Scientists discover unique microbe in California's largest lake

... Augustine,a postdoctoral associate in Wood's lab, worked with Selker, formerdirector of the UO electron microscopy facility, to compare thecellular structure of the new organism with that of the symbiotic formof Acaryochloris. Blankenship and Olson compared its pigments withthose of A. marina, one of the s...

Nano-Probes Allow an Inside Look at Cell Nuclei

...sts. For the past four years, Chen and Gerion have worked closely with members 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,...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

...ce the scientists 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 be...

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

...SmithKline. "Given how much better this treatment worked as first-line therapy in our study, moving this treatment up earlier in the course of a patient's illness should be strongly considered instead of using it as a last resort or not at all. These results support the notion that there's a real possibili...

How an AIDS-Related Cancer Unleashes Inflammation

..., the details of the biochemistry still need to be worked out," he said. While the new knowledge of kaposin B's role will contribute to understanding how the responsible virus produces cytokines, there are likely other mechanisms at work as well, Ganem emphasized. Other viral genes are also known to be inv...

Mayo Clinic Researchers Create 'Obedient Virus'; First Step To Use Measles Virus Against Cancer

...etely stunned. It's the sort of thing that, having worked on targeting viruses for about 15 years, I just couldn't believe that we'd finally got what we'd been hunting all that time," says Stephen Russell, M.D., Ph.D., lead researcher and director of Mayo Clinic's Molecular Medicine Program. "It's very cle...

How the environment could be damaging men's reproductive health

...nce between boys born to mothers who smoked or who worked in a potentially harmful environment where they might be exposed to heat, vibration or chemical, but the prevalence of cryptorchidism was slightly higher. It rose from 5.1% in non-smoking mothers to 7.8% in smoking mothers, and from 4.9% to 7.13% for...

HIV vaccine trial breaks ground for future research

...response, probably cellular or humoral, could have worked with the vaccine and caused a greater ability to resist the virus. For the non-white group, the authors suggest that biological differences in immune response or genetic markers of resistance to infection could have made the vaccine more effective. ...

Robot-based system developed at Carnegie Mellon detects life in Chile's Atacama desert

... future Mars missions. "Our life detection system worked very well, and something like it ultimately may enable robots to look for life on Mars," said Alan Waggoner, Atacama team member and director of the Molecular Biosensor and Imaging Center at the university's Mellon College of Science. The "Life in t...

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