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Tag: "produce" at biology news

Cracking open the black box of autoimmune disease

...en Foxp3 stops functioning, the body can no longer produce working regulatory T cells. When this happens, the frontline T cells damage multiple organs and cause symptoms of type 1 diabetes and Crohn's disease. However, until now, scientists have barely understood how Foxp3 controls regulatory T cells because...

Novel computed imaging technique uses blurry images to enhance view

...-forming technique for optical microscopy that can produce crisp, three-dimensional images from blurry, out-o...e planes are blurry, ISAM descrambles the light to produce a fully focused, three-dimensional image." ISAM effectively extends the region of the image that i...

Meat and two neutrons -- the key to a longer life

...ife. Food enhanced with isotopes is thought to produce bodily constituents and DNA more resistant to detrimental processes, like free radical attack. The isotopes replace atoms in susceptible bonds making these bonds stronger. 'Because these bonds are so much more stable, it should be possible to slow d...

Targeting tumors the natural way

...igher primates do not. What humans and primates do produce in abundance is an antibody against the carbohydrate, called anti-Gal. When scientists tried transplanting pig organs into primates, the anti-Gal antibodies bound to the alpha-Gal on the organ's cells, unleashing a potent immune response that caus...

In presence of fragrant cleaning products, air purifiers that emit ozone can dirty the air

Indoor air purifiers that produce even small quantities of ozone may actually make the air dirtier when used at the same time as household cleaning products, scientists at UC Irvine have discovered. Ozone emitted by purifiers reacts in the air with unsaturated volatile organic comp...

Ladybugs may be cute, but watch out when they get near wine

...ecies. Specifically, he is the first scientist to produce a reconstruction of the skull that questions renowned paleontologist and archeologist Richard Leakey"s depiction of modern man"s earliest direct ancestor as having a vertical facial profile and a relatively large brain ?an interpretation widely accep...

Man's earliest direct ancestors looked more apelike than previously believed

...ecies. Specifically, he is the first scientist to produce a reconstruction of the skull that questions renowned paleontologist and archeologist Richard Leakey"s depiction of modern man"s earliest direct ancestor as having a vertical facial profile and a relatively large brain ?an interpretation widely accep...

DNA layer reduces risk of reserve parts being rejected

...er-by-Layer deposition technique (see Figure 1) to produce a multilayer coating. This coating was tested in cell cultures and animal experiments for its safety, immune response, bone attachment and functionalisation. The DNA layer was also found to speed up the deposition of calcium phosphate and could, for ...

Army research mission focused on autism

...e, improving the lives of children with autism, to produce research that will lead to making a real differenc...interventions, both behavioral and biomedical, can produce better outcomes. We don’t have five to ten years to wait to find out which treatments work with whic...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...ired infection. This statement is intended to help produce well designed studies that will aid that fight" ...

Engineering the heart piece by piece

... to signal to and connect with other cells, and to produce the extracellular matrix that supports cells in ti...ven if cell-growing conditions can be perfected to produce tissue that is strong, durable and shaped like the native tissue it is designed to replace, another ...

Satellites shed light on global warming

... Synthetic Aperture Radar (ASAR) allows Envisat to produce high-quality images of ice sheets because it is able to pierce through clouds and darkness. In addition to mapping ice boundaries, Rott used repeat-pass ASAR image data to map the flow velocities of glaciers. All the glaciers, where the buttressi...

Stem cell therapy shows promise in regenerating damaged muscle in heart attack patients

...s in the appropriate environment. One donation can produce billions of MSCs. The cells can be stored for years in a frozen state, ready to be used when they are needed." Adult stem cells are designed by nature to perform tissue repair in a mature adult. It is believed that these cells can be used in patie...

Nanoparticles for delivery of prostate cancer treatment

... reproduce, are not immunogenic, and are easier to produce than adenoviral vectors," said Garen. The nanopart...ene that codes for the Icon, allowing the cells to produce and secrete the Icon. "The key is to have an efficient and safe way to deliver a specific and eff...

Widely used iron nanoparticles exhibit toxic effects on neuronal cells

...of the survivors exhibited a diminished ability to produce neurites. In their experiments, PC12 cells that had not been exposed to magnetic nanoparticles generated three neurites in response to nerve growth factor. However, exposure to a low concentration of iron oxide nanoparticles resulted in the product...

MIT's ocean model precisely mimics microbes' life cycles

...le-celled green plants that dominate the ocean and produce half the oxygen we breathe on Earth. And it does so in a way that is consistent with the way real-world ecosystems evolve according to the principles of natural selection. Scientists use models such as this one to better understand the oceans' bi...

Major link in brain-obesity puzzle found

...ain cells?ability to respond to leptin signals and produce further signals that regulate eating. What’s more, the mice that were treated to make extra SH2B1 didn’t become obese or lose their ability to respond to leptin signals even after being fed a high-fat diet that caused those effects in other mice....

Brain works more chaotically than previously thought

...ndrocytes are the brain's "insulating cells". They produce the myelin, a sort of fatty layer that surrounds the axons and ensures rapid retransmission of signals. "It is likely that insulating cells are guided by the glutamate to locate axons and envelope them in a layer of myelin," says Dirk Dietrich. A...

New UD technology removes viruses from drinking water

...atural organic material can react with chlorine to produce a variety of toxic chemicals called disinfection byproducts. "Our iron-based technology can help ensure drinking-water safety by reducing microbial pathogens and disinfection byproducts simultaneously," Chiu noted. Applications in agriculture ...

Protein averts cell suicide but might contribute to cancer

...mes from a microorganism. It is relatively easy to produce in large quantities and to study, and it is similar to one of the four such enzymes found in humans. For this research, Fiala developed a new way to sequence very short lengths of DNA. "This allowed us to pin down exactly what mistakes Dpo4 makes...

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