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Fiber in Biological News

New high fiber barley licensed to grow

"The recent signing of a license agreement between the CSIRO/Australian Capital Ventures Limited joint venture and Austgrains Pty Ltd has paved the way for large scale commercial crops of BARLEYmax unique grain developed by CSIRO using conventional plant breeding techniques," says the Director o...

New studies predict record land grab as demand soars for new sources of food, energy and wood fiber

LONDON (14 July 2008) -- Escalating global demand for fuel, food and wood fibre will destroy the world's forests, if efforts to address climate change and poverty fail to empower the billion-plus forest-dependent poor, according to two reports released today by the U.S.-based Rights and Resources ...

Fuel from fiber -- Pretreatment can put corn stalks, trees in your car's tank

"Put a tree in your tank." Fuel companies aren't touting that slogan. At least not yet. But thanks to research done in part by Bruce Dale, Michigan State University professor of chemical engineering and materials science, making fuels from poplar trees and corn stalks is becoming more efficient a...

UC San Diego engineer provides insights to decades-old DNA squabble

...ontrolled by chromatin. A loosely folded chromatin fiber allows easy access to DNA sequences while a tightly folded fiber prevents or inhibits such access. This newfound... along the chain lie side by side on the chromatin fiber also and thus the linker DNA connecting the two ne...

DOE-funded research projects win 46 R&D 100 Awards for 2009

...ngs, thus generating heating and cooling energy savings of up to 25 percent in residential buildings. (Jointly with Microtek Laboratories and Advanced fiber Technology) Mass-Independent Kinetic-Energy-Reducing Inlet System for Mass Spectrometers - permits high-resolution mass analysis of large, intact...

What scientists know about jewel beetle shimmer

...ch. "The Chrysina gloriosa beetle reflects a green light," said lead researcher Mohan Srinivasarao with Georgia Tech's School of Polymer, Textile & fiber Engineering. "This has been known for about 100 years, but we've determined the colors we see result from the beetle's physical structure rather than ...

Tires made from trees -- better, cheaper, more fuel efficient

...uld lead to a new generation of automotive tire technology, one of the first fundamental changes to come around in a long time," Li said. Cellulose fiber has been used for some time as reinforcement in some types of rubber and automotive products, such as belts, hoses and insulation but never in tires,...

New Report Just Published: World Solid-State, Fiber, Gas and Dye Lasers Market Report

...he following Technology Types: Solid-State Lasers, fiber Lasers, Gas Lasers, and Dye Lasers. Further, the g... Scope of Study I-3 Solid-State Lasers I-3 fiber Lasers I-3 Gas Lasers I-3 Dye Lasers I-4 ...(Lamp-pumped, Diode-pumped, and Laser-pumped), fiber Lasers, Gas Lasers (CO2 Flowing Lasers, and CO...

New technique can fast-track better ionic liquids for biomass pre-treatments

...says that once the EmimAc had dissolved the switchgrass biomass into its three components - cellulose and hemicellulose sugars, plus lignin, the woody fiber that gives strength and structure to plant cell walls the subsequent addition of an anti-solvent, such as water, resulted in the sugars being precipi...

Purple sweet potato means increased amount of anti-cancer components

...-MS Analysis, which she said is a method that separates components. The potatoes were segregated by multiple traits based on flesh pigmentation and fiber contents. The analysis determined that the Kansas-bred potato had significantly higher anthocyanin contents compared to the other potatoes. The analys...

Crustacean shell with polyester creates mixed-fiber material for nerve repair

...l polyester creates a promising new material for the tiny tubes that support repair of a severed nerve, and could serve other medical uses. The hybrid fiber combines the biologically favorable qualities of the natural material with the mechanical strength of the synthetic polymer. "A nerve guide require...

Colon cancer screening technique shows continued promise in new study

...vides a proof of concept that this sort of analysis could be a minimally intrusive colon cancer screening technique. Further studies with a compatible fiber optic probe are under way for multicenter clinical validation. The work builds on previous success in using a suite of optical technologies to dete...

DOE JGI releases expanded version of Phytozome.net

... WALNUT CREEK, CA - An enhanced version of Phytozome.net, a web portal for comparative plant genomics geared to advance biofuel, food, feed, and fiber research, has been released by the U.S. Department of Energy (DOE) Joint Genome Institute (JGI). Phytozome provides a central "hub" for web access...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

...illusion of a projected 2-D image. To create this projector, twice the resolution of any that currently exists, the company had to develop powerful fiber lasers. These lasers, discussed in Forrest Williams' talk, may have uses for other projects, such as making anti-counterfeit identifiers or projecting...

New center at Georgia Tech aims to improve recovery of soldiers with severe injuries

... also investigating whether bone marrow-derived stem cells can be used in the body to heal large defects in bone and cartilage if they are inserted in fiber mesh scaffolds and silk sponges during a surgical procedure. Additional projects in the center include assessing tissue viability, preventing the ...

Progress toward artificial tissue?

...de solution further cross-links the DNA, causing the fibers to become denser and more strongly connected. These spongy fibers resemble the collagen fiber networks of the biological extracellular matrix. They can also be knotted, braided, or woven into textile-like structures. This results in materials t...

Diuscovery in amber reveals ancient biology of termites

...s most pervasive and successful insect groups, with about 2,300 known species, mostly in tropical settings, busily at work chewing wood or other plant fiber that protozoa help to digest. They have important ecological roles, helping to create habitat, build soil fertility, recycle nutrients and serve as fo...

Monitoring water through a snake's eyes

...s in the water, "seeing" water in the same way as a snake does. The special fiber sensors make it possible to monitor the quality of water in a remote locati... can cut millions of dollars from the cost of testing water manually." The fiber sensors developed by Prof. Katzir are made of insoluble, non-toxic, and bio...

MIT: Making waves in the brain

... we were able to express ChR2 in different classes of neurons, allowing us to manipulate their activity with precise timing via a laser and an optical fiber over the brain," explains co-lead author Marie Carln, a postdoctoral fellow at the Picower Institute. The trick for inducing gamma waves was the s...

Researchers identify a molecule that increases the risk of cardiac insufficiency

...stological methods, we have found that the cardiac muscle in patients with cardiac insufficiency contains an excess of this enzyme as well as collagen fiber (which it produces). These factors are associated with the deterioration of cardiac functions," explained Dr. Begoa Lpez, Lead Researcher of the proje...

Drinking 100 percent fruit juice is associated with lower risk of obesity and metabolic syndrome

...ges 19 and older juice consumers had higher physical activity levels and more favorable dietary intake patterns (including: lower fat intakes, higher fiber intakes, lower added sugar intakes). After taking these lifestyle factors into account, the inverse relationship between 100% fruit juice consumption ...

6 young ASU faculty earn NSF Career awards

...de in his laboratory that led to development of a process that uses nanostructures to increase the strength of fiber-reinforced composite materials. fiber reinforced composites provide higher strength per weight than other structural materials, such as metals. The improved strength-to-weight ratio typica...

A full-sized California-style home made of bamboo

...adition of using bamboo. Xiao's GluBam technology utilizes the modern processing procedures to integrate the round, non-dimensional bamboo into bamboo fiber reinforced composites, like plywood, which can be designed, sized and suitable for modern construction. The structural design of the demonstration...

As good as it gets: Octogenarian muscles don't get stronger with exercise

...muscle biopsies, the researchers isolated single muscle strands, both fast-twitch and slow-twitch. They measured the strength, speed and power of each fiber and examined the genetic profile of these strands. No change in muscle strength As a result of the exercise program, the octogenarians were ab...

Researchers develop flow sensors based on hair structures of blind cavefish

...trated flow detection of several micrometers per second," said Tsukruk, who also holds an appointment in Georgia Tech's School of Polymer, Textile and fiber Engineering. "Adding the cupula allowed us to detect a much smaller amount of flow and expand the dynamic range because it suppressed the background n...

Diabetics on high-fiber diets might need extra calcium, report UT Southwestern researchers

...bs might depend, in part, on the amount of dietary fiber you consume. Researchers at UT Southwestern Me...through their urine when they consumed 50 grams of fiber a day than when they ate 24 grams a day. Excreting...bed less of the mineral. "We already know that fiber helps improve your cholesterol and glucose control...

Regular family meals result in better eating habits for adolescents

...ith current national consumption data that identified dietary intake of fruits, vegetables, whole-grains, potassium, magnesium, vitamin E, and dietary fiber as problematic for this age group. Researcher Teri L. Burgess-Champoux, PhD, RD, LD, states, "These findings suggest that having regular family mea...

UConn chemists find secret to increasing luminescence efficiency of carbon nanotubes

...LEDs and photo detectors, which can readily integrate with silicon-based technology. This provides an enormous repertoire for nanotube use in advanced fiber optics components, infrared light modulators, and biological sensors, where multiple applications are possible due to the nanotube's flavin-based (vit...

Spun-sugar fibers spawn sweet technique for nerve repair

...on process following an accident," Li said. The scaffolds are designed specifically to regenerate a portion of a nerve cell called the axon, a long fiber attached to the cell body that transmits signals. Fast regeneration is essential to prevent the atrophy of muscles and organs connected to severed ner...

Hispanic women and breast cancer: An understudied group

...gn-born Hispanic women without breast cancer had a larger number of children, a longer duration of breast feeding, more physical activity and a higher fiber intake. All of these factors are known to decrease breast cancer. "Foreign-born Hispanic women have a lower risk for breast cancer than U.S.-born ...

Results of the third school nutrition dietary assessment study published

...or policymakers and parents. She notes, for example, that few schools provided lunches that met the recommendations in the 2005 Dietary Guidelines for fiber and none of the schools met the recommended sodium limitations. Also, she discusses the availability of competitive foods in public schools and how, r...

Process can cut the cost of making cellulosic biofuels

... before conversion into ethanol means extra nutrients don't have to be added, cutting the cost of making biofuels from cellulose. The AFEX (ammonia fiber expansion) pretreatment process, developed by Bruce Dale, University Distinguished Professor of chemical engineering and materials science, uses ammon...

Inflammation worsens danger due to atherosclerosis

...ades. Atherosclerotic plaques consist of lipid cores covered by collagen fiber caps. These plaques can suddenly rupture, resulting in blood clots that co...als. One potential cause of plaque rupture is the thinning of the collagen fiber cap covering the plaque. Inflammatory cells are often observed at the si...

Physical activity may not be key to obesity epidemic

...explanation than physical activity expenditure for why Chicago women weigh more than Nigerian women, Luke said. She noted the Nigerian diet is high in fiber and carbohydrates and low in fat and animal protein. By contrast, the Chicago diet is 40 percent to 45 percent fat and high in processed foods. Res...

Young adults need to make more time for healthy meals

... down for meals. Social eating was associated with greater intake of several healthful foods (e.g., vegetables) and with higher intakes of calcium and fiber among males. In contrast, "eating on the run" was associated with higher intakes of soft drinks, fast food and fat, and with lower intake of several h...

Lamin A/C deficiency is 'unnerving'

...e January 12, 2009 print issue of the Journal of Cell Biology . Muscle fiber cells contain hundreds of nuclei. In normal fibers, several nuclei cluster ... the proper organization of the neuromuscular junction and disrupted muscle fiber innervation, says author Alexandre Mjat. The authors showed that either ...

Scientists study how asbestos fibers trigger cancer in human cells

...er by probing individual bonds between an asbestos fiber and human cells. Though any clinical applicatio... force microscopy to observe how a single asbestos fiber binds with a specific receptor protein on cell sur...cules are involved in the chain of events when the fiber touches the cell. Does the binding occur over minu...

Moving new technologies from the lab to the marketplace

..., distinguished professor of chemical engineering, received multiple grants to participate in a NASA-sponsored large-scale demonstration of his hollow fiber membrane device. The device can remove and recover volatile organic compounds from air and waste-gas streams vented by a variety of industrial proces...

American Chemical Society's Weekly PressPac -- Nov. 19, 2008

...r a one year period. The grains, grown from lines originating worldwide, were then harvested, milled, and analyzed for a range of plant chemicals and fiber components considered to have health benefits. The researchers identified grain varieties with high levels of healthy components that could be used to...

New hybrid plants could prompt more prodigious pepper production in Southwest

... that the new cultivars also are being bred for higher amounts of vitamin C, phytochemicals and antioxidants. "Peppers are a good source of dietary fiber and contain a number of vitamins, minerals and other nutrients that are known to promote human health," Leskovar said. "And research on capsaicin, the...
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