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Tag: "combinations" at biology news

DNA Molecules Used To Assemble Nanoparticles

...tially, and then linked together in many different combinations with the DNA strands. "So it's like having a shelf full of Tinker Toys," Baker said. An array of single-functional dendrimers, such as targets, drugs, and contrast agents, and the ability to link them together quickly and easily in many different w...

Priming embryonic stem cells to fulfill their promise

...cellular matrix proteins as a way toidentify which combinations were optimal in producing differentiatedcells from...cal way to evaluate the daunting number ofpossible combinations of these proteins, any one of which could formthe optimal "niche" for a desired type of differentiat...

HIV Patients May Be at Risk of Heart Problems When Taking Protease Inhibitor Drugs

...drug therapy situations, because certain drug-drug combinations could trigger the adverse heart side effects. Background of the Discovery Dr. Badley's research group earlier discovered that protease inhibitors affect "pore function" of "channels" in a specific cell type they were studying. Pore function in chan...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...f clam embryos (Spisula solidissima) withdifferent combinations of BCE and studied their effects on nerve cellgrow...ert in PCB-induced neurotoxicity."Of the different combinations and strengths of BCE components tested,we found that all three together induce the greatest adverse ...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...f clam embryos (Spisula solidissima) withdifferent combinations of BCE and studied their effects on nerve cellgrow...ert in PCB-induced neurotoxicity."Of the different combinations and strengths of BCE components tested,we found that all three together induce the greatest adverse ...

Jumping gene helps explain immune system's abilities

...anda hamburger, and so on through all the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnect...

UCSD Discovery Shows How Embryonic Stem Cells Perform 'Quality Control' Inspections

...anda hamburger, and so on through all the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnect...

New therapy for HIV/AIDS eliminates needles and excessive toxicity

...anda hamburger, and so on through all the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnect...

Gene sequencing explains bioremediation 'bug'

...anda hamburger, and so on through all the possible combinations ofofferings.While the choices aren't as tasty, immune cells select sections ofcertain genetic instructions in order to make instructions for aprotein that will recognize a particular antigen. Machinery snips outunwanted genetic sections and reconnect...

Novel ultrafast laser detection of cancer cells also may improve understanding of stem cells

... A nano-thin layering of gallium aluminum arsenide combinations send up numerous tiny beams from a small cross-sectional generating area. These beams are reinforced or thwarted by the position and density of the mitochondria. "The pictures we get from normal and cancer cells are very different," says Gourley. "M...

Great White shark evolution debate involves WSU Lake Campus geology professor

...itizes the picture to establish grids of different combinations that are analyzed by a sophisticated computer program. He even uses an electron microscope to view different serration designs of shark teeth. "Our analysis of their teeth shows that Great White and mako sharks have very similar tooth growth traject...

Reducing malarial transmission in Africa

...icies and use more expensive drugs, including drug combinations that will hopefully slow the development of resistance and minimize transmission of resistant parasites. In this month's premier open-access journal PLoS Medicine Colin Sutherland and colleagues from the London School of Hygiene and Tropical Medicin...

Same-Sex Mating Discovered in a Toxic Fungus

...s a means to produce offspring with different gene combinations that can adapt more rapidly to new environments," said HHMI investigator Joseph Heitman, M.D., Ph.D., of Duke, senior author of the study. "The findings suggest for the first time that the fungus has developed a novel type of sexual cycle, allowing ...

CoPub Mapper: mining MEDLINE based on search term co-publication

...E were identified in which pairs of gene names and combinations of gene name with specific keywords were co-mentioned. MEDLINE search strings for 15,621 known genes and 3,731 keywords were generated and validated. PubMed IDs were retrieved from MEDLINE and relative probability of co-occurrences of all gene-gene ...

Bioelectronic ‘signatures?hold key to DNA mutations

... “fingerprint?that rapidly identifies all possible combinations of SNPs. Wang’s results recently were featured as the cover story in the March issue of Analytical Chemistry and were published earlier this winter in the Journal of the American Chemical Society. The article can be found on the Web at (http://pubs3...

Decoding the logic of olfaction

...like letters of the alphabet are used in different combinations to form different words, the odorant receptors are used in different combinations to detect different odorants and encode their unique identities." In the new studies, Buck and her ...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...like letters of the alphabet are used in different combinations to form different words, the odorant receptors are used in different combinations to detect different odorants and encode their unique identities." In the new studies, Buck and her ...

Study uncovers bacteria's worst enemy

...ical rarely contaminates soils and groundwater and combinations of actinides, radionuclides, organic chemicals and metal regularly exist at many nuclear sites. Based on the results of this study, if bioremediation is to be effective at these types of sites, the operative microorganisms must be able to grow, funct...

Changing ecosystems throw scientists mega-challenges

... who authored the report, "scientists must address combinations of factors in their research, such as the interactions between human activities and natural cycles at different spatial and temporal scales." The report encourages NSF to maintain its foundation-wide emphasis on investigations of coupled human and n...

What the eye doesn't see

...al tree characteristics and identify which pattern combinations were the most successful. Professor Innes Cuthill said: "The rate at which mealworms were eaten by birds gives a measure of how effective each combination was at preventing detection by a predator. Combinations that gave a better disguise took longe...

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