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Tag: "fit" at biology news

University of Manchester makes made-to-measure skin and bones a reality using inkjet printers

...hnology we are able to build a fragment which will fit exactly. Wecan place cells in any designed position in order to grow tissue orbone."This breakthrough overcomes problems currently faced by scientists whoare unable to grow large tissues and have limited control over theshape or size the tissue will ...

Researchers Uncover Key Step In Manufacture of Memory Protein

... four projections, resembling prongs. These prongs fit into a corresponding indentation on CPE, analogous to the way a plug for an electric appliance fits into an electric wall outlet, Dr. Loh said. The golgi apparatus then encases the lipid rafts ?along with proBDNF ?in bubble-like structures known as ...

Scientists find missing enzyme for tuberculosis iron scavenging pathway

...nactivates the antibiotic because it can no longer fit into its target." However, in vitro biochemical assays have failed to demonstrate aminoglycoside N-acetyltransferase activity in Rv1347c. By solving the three-dimensional structure of Rv1347c, Dr. Baker and his colleagues have discovered that the en...

Researchers trace evolution to relatively simple genetic changes

... happening over and over again. It makes them more fit in all these different locations." Because this trait evolves so rapidly after ocean fish colonize new environments, he added, "we wondered whether the genetic variant (the mutant gene) that controls this trait might still exist in the ocean fish. S...

Octopuses occasionally stroll around on two arms, UC Berkeley biologists report

... happening over and over again. It makes them more fit in all these different locations." Because this trait evolves so rapidly after ocean fish colonize new environments, he added, "we wondered whether the genetic variant (the mutant gene) that controls this trait might still exist in the ocean fish. S...

Nano-Probes Allow an Inside Look at Cell Nuclei

...s pores that are only about 20 nanometers wide. To fit through these tiny slits, Chen and Gerion used an especially compact cadmium selenide/zinc sulfide quantum dot coated with silica. Next, they stole a trick from a virus's playbook to smuggle this nanocrystal past the highly selective membrane that gu...

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

...can Psychological Association (APA). The findings fit into a growing body of evidence that even a one-time infection can potentially permanently change physiological systems, a phenomenon called "perinatal programming." Understanding how infection in newborns can disrupt memory in immune-challenged ad...

A new way to share models of biological systems

...ring that we really understand how these processes fit together is to build computer models of them. If a computer model behaves differently than the real organism, we know that we've neglected an important component of the system. Quantitative models can also reveal previously unappreciated properties o...

Second messenger NAADP shows fast, dose-related impact on satiety cycle

...evel versus cholecystokinin concentration was best fit with a two-site model, suggesting that both the high- and low-affinity sites were linked to NAADP production," Yamasaki said. In contrast to the hormone cholecystokinin, the neurotransmitter acetylcholine failed to affect NAADP level, even when appli...

Life detection instrument passes key test on road to Mars

...work on a prototype of their instrument that would fit in the allowed space within the ExoMars spacecraft. "I'm much more optimistic that we could detect life on Mars, if it's there," Mathies said. ...

Best research work in the area of wine growing

...archers pointed out, "this model of study does not fit in well with the conditions that are produced on the land, where periods of stress alternate with others of recuperation through irrigation or rainfall". The communiqué continues, "the level of recovery of the photosynthetic activity is evaluated on...

Team Invents Device For Weighing Individual Molecules

...arallel nanodevice system will probably ultimately fit on a desktop. Roukes says his group has technology in hand to push mass-sensing technology to even more sensitive levels, probably to the point that individual hydrogen atoms can be weighed. Such an intricately accurate method of determining atomic-...

Researchers extend mouse lifespan by protecting against free radicals

...w only modest increases in lifespan. These results fit with the theory that mitochondria can be an important source of free radicals created as a byproduct of energy production. Removing hydrogen peroxide "at the source" seems to be the most effective strategy for enhancing lifespan, Rabinovitch said. T...

Brown-Harvard team solves mobile DNA's surgical sleight-of-hand

...try at Brown. "Once you see the parts and how they fit together, you have a much better understanding of how the process works," Landy said. "So this work represents a major leap." When the lambda virus inserts its DNA into E. coli, λ-INT is the major player in the process, literally snipping the E. col...

Understanding biases in epidemic models important when making public health predictions

... to the inherent assumptions in the models that we fit to data," said Wearing. "The key point is that uncertainty about the latent and infectious period distributions should be taken into account when making quantitative predictions for public health use." ...

Newly discovered genetic disease sheds light on body's water balance

...medicine," said Gitelman. "When something seems to fit a classic pattern, but actually doesn't, our job as physician scientists is to recognize the discrepancy and get to the bottom of the situation." First, Gitelman and his colleagues worked to find an innovative treatment for the two young patients. "...

Inhaling large amounts of salt can cause hypertension

... to the inherent assumptions in the models that we fit to data," said Wearing. "The key point is that uncertainty about the latent and infectious period distributions should be taken into account when making quantitative predictions for public health use." ...

Field of beams - Novel system uses polarized light pulses to reveal crop health

... to the inherent assumptions in the models that we fit to data," said Wearing. "The key point is that uncertainty about the latent and infectious period distributions should be taken into account when making quantitative predictions for public health use." ...

Genomic sequences processed in minutes, rather than weeks

...ocks of the genome -- or rather, how they work and fit together. Genomes represent an organism's entire DNA, including its genes. When the gene's sequences are analyzed they can provide clues to diseases and possible treatments. Using ScalaBLAST, researchers can manage the large influx of data resulting...

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

...n set up a test of nearly 400 small molecules that fit their criteria. The test results showed three small molecules that can inhibit the enzyme. These are candidates for development as drugs. Kosik explained that proteins are strings of amino acids folded into small globs. All proteins that happen to b...

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