wall in Biological News

Technology improves salmon passage at hydropower dams

... District. The Corps is building a concrete guide wall downstream of the dam's spillbays. The researchers' computer model showed such a wall would help move fish away from shallow waters ... waters and eat passing salmon. The new guide wall should direct salmon toward the Columbia River's ...

US-Mexico border wall could threaten wildlife species

... CORVALLIS, Ore. A 700-mile security wall under construction along the United States' ... looked at the potential effects of the security wall on two species the pygmy owl and bighorn sheep ... population," Flesch pointed out. The security wall could have a bigger impact on the movement of ...

Advance in understanding cellulose synthesis

... connection between synthesis of the cell wall and an array of protein fiberscalled ... plant cell shapes to be created as the cell wall pushes outward. In that study, the group ... that surrounds the cell, but is inside the cell wall and found that the microtubules not only guide ...

Researchers find nature's shut-off switch for cellulose production

... by shutting off genes involved in primary cell wall growth in order to begin development of thicker, ... things - regulate and shut down primary cell wall development to begin secondary wall growth. "These secondary stages result in ...

Audience Selected as Silver Winner in This Year's Wall Street Journal Technology Innovation Awards and Winner of the Semiconductors Category

... it is the overall Silver Winner in this year's wall Street Journal Technology Innovation Awards and ... throughout Japan and Korea. In the wall Street Journal article about the Technology ... is a big problem on cellphones." The wall Street Journal received more than 700 entries for ...

LIAI launches new division to look at novel approaches to heart disease and inflammation

... our understanding of inflammation in the vessel wall are a superb complement to existing strengths at UCSD in biomedical engineering, vessel wall biology and other areas related to cardiovascular ... role, exacerbating the weakening of the artery wall caused by plaque formation. "The macrophages ...

New paper sheds light on bacterial cell wall recycling

... bacteria recycle their cell wall. The cell wall is a critically important entity for bacteria and ... growth a substantial amount of the parental cell wall is recycled. Although the recycling process has ... Mobashery's team synthesized pieces of the cell wall of the bacterium Escherichia coli in his ...

Researchers analyze how new anti-MRSA abtibiotics function

... wall. Since the health and integrity of the cell wall are critical to the survival of these organisms, ... is the building block of the bacterial cell wall and neighboring peptidoglycans undergo a ... are designed to impair the bacterial cell wall and inhibit the process of cross-linking, causing ...

Newly defined signaling pathway could mean better biofuel sources

... in the biofuel process. "We expect that cell wall material will to be a major source of biomass ... cells control the quality and amount of cell wall material." He and his research team investigated plant growth and cell wall development from several scientific approaches in ...

Evolution tied to Earth movement

... stretch of highlands and mountains as the wall of Africa. It parallels the famed East African ... between 7 million and 2 million years ago. A wall Rises and New Species Evolve Although the wall of Africa started to form around 30 million years ...

Protein that triggers plant cell division revealed by researchers

... are built. "The animal cell is sort of squishy and doesn't have a wall around it--it just has a membrane," said Bergmann, who pointed out that ... walls and can't divide this way. "A plant cell actually has to build a new wall from the inside out in order to divide" said Bergmann. Bergmann ...

University of Leicester archaeologist uncovers evidence of ancient chemical warfare

... mouth of the countermine by the Persians, using their victims to create a wall of bodies and shields, keeping Roman counterattack at bay while they set ... a 'machine-gun belt', a row of catapult bolts, ready to use by the wall of the Roman camp inside the city, representing the last stand of the ...

Marked improvement in body image, physical stamina, post-surgical pectus patients report

... Patients who have had the common chest wall deformity known as pectus excavatum corrected report improved body image ... a major training site for surgeons and a center for research on chest wall deformities. "In Norfolk, we've performed the Nuss Procedure on more ...

December 2008 Geology and GSA Today media highlights

... (PGE) ore deposits commonly require that magma incorporate parts of the wall rock into that which they intrude to provide sulfur. This externally ... horizon of the Bushveld Complex in South Africa was not derived from local wall rock, and instead must have been brought in by the intruding magma. ...

Caltech researchers get first 3-D glimpse of bacterial cell-wall architecture

... PASADENA, Calif.--The bacterial cell wall that is the target of potent antibiotics such as penicillin is actually ... family of answers, some of which are wrong." Understanding how the cell wall is built is important, says Jensen, because scientists have long been in ...

Nanotechnology boosts war on superbugs

... technologies to investigate antibiotics and how they work. "The cell wall of these bugs is weakened by the antibiotic, ultimately killing the ... she continued. "Our research on cantilever sensors suggests that the cell wall is disrupted by a combination of local antibiotic-mucopeptide binding and ...

High blood pressure takes big toll on small filtering units of the kidney

... vessel to stretch. That stretch prompts smooth muscle cells on the vessel wall to release ATP, a common molecule known as an energy source but also ... the tethers connecting smooth muscle cells to others in the blood vessel wall may really be what releases ATP, a theory Dr. Inscho presented during the ...

Syracuse University partners with Serum Institute of India to develop vaccines for children

... it through the digestive system unharmed, and transport it through the wall of the small intestine where it can be absorbed into the bloodstream. ... problem," Doyle says. "We need to deliver the viral capsid to the wall of the small intestine and keep it there long enough to trigger an immune ...

Story tips from the US Department of Energy's Oak Ridge National Laboratory, August 2008

... mapping, scientists will attempt to identify differences in cell wall chemistry among trees growing in natural populations with the goal being ... production, including cellulose and lignin content, lumen diameter, cell wall thickness and cell diameter for hundreds of trees. This information is ...

New paradigm for cell-specific gene delivery

... Currently, a number of gene delivery systems for use on the arterial wall are being studied, but as yet their low efficiency in gene transfer and ... to target only these muscle cells and not any other cell in the vessel wall and this approach will enable us to do just that". The goal of the team ...

Pyramid Launches TimeTrax Bio Generation II

... employee groups -- Compact, streamlined desktop design; optional wall bracket and hardware is available at an additional charge -- ... Pyramid's clock line ranges from simple and inexpensive commercial wall clocks to networked digital system clocks. To learn more about Pyramid's ...

Visual technology enables brain to learn in new ways

... School of Engineering but available to the entire university, the seamless wall features a high resolution display system that uses rear projection in ... a virtual environment on a computer screen and one on a visualization wall -- the difference is tremendous," she said. "That's what large-scale ...

Life-threatening gene defect located by UT-Houston researchers

... affects muscular contractions in other blood vessels and the aorta. The wall of the aorta, the main blood vessel leading out of the heart, weakens and ... and helps us understand, for the first time, the pathology of the aortic wall degeneration. Milewicz said that mutations in ACTA2 account for 14 ...

Study reveals a key to blood vessel growth and possible drug target

... line the blood vessels and maintain the integrity of the blood vessel wall during vascular development -- in zebrafish embryos. The pathway these ... detects that it is irreparably damaged. The integrity of the blood vessel wall is determined by a dynamic balance between endothelial cell survival and ...

Inconsistencies with Neanderthal genomic DNA sequences

... conclusions regarding the ancestral role of Neanderthals. Jeffrey D. wall and Sung K. Kim from University of California San Francisco now reveal in ... they found when they reanalyzed the data from the two original studies. wall and Kims reanalysis reveals inconsistencies between them and they believe ...

IDEMA Reveals Program Highlights for DISKCON USA 2007

... low-cost and low- power; limitations for its future (does it hit a wall in 5 years?); and what is poised to replace it. Wednesday, ... Re-shaping the Industry; this panel will consist of several wall Street and industry analysts who will discuss the emerging challenges ...

IDEMA Reveals Program Highlights for DISKCON USA 2007

... low-cost and low- power; limitations for its future (does it hit a wall in 5 years?); and what is poised to replace it. Wednesday, ... Re-shaping the Industry; this panel will consist of several wall Street and industry analysts who will discuss the emerging challenges ...

University has grand designs to build a house of straw

... 4's Grand Designs programme, to build an eco-friendly house in six days using ModCell panels for the Grand Designs Live exhibition. All the wall panels used for the ground floor of the Grand Designs house are being reused for the BaleHaus at Bath. Professor Pete Walker, Director of the BRE ...

Results of national assessment of first responder location systems to be announced Aug. 3

... in locating people in three dimensions to within one foot inside buildings--this level of accuracy is necessary to determine on which side of a wall someone is located or to find someone in a space filled with dense smoke. "WPI began work on this problem after the December 1999 Worcester Cold ...

Avoiding hysterectomy: Major interventional radiology E-collection info available

... one place, eliminating the need to search topics individually. Uterine fibroids are very common noncancerous growths that develop in the muscular wall of the uterus. Hysterectomy, surgical removal of the uterus performed by a gynecologist, is the most common treatment for symptomatic uterine ...

A complete view of complexity in science and society in a new authoritative reference work

... Who's Who in America and Who's Who in the World. Meyers' scientific achievements have been reviewed in The New York Times Science Supplement and The wall Street Journal. ...

UCLA cancer researchers develop model that may help identify cancer stem cells

... pleural effusions, a condition in which an abnormal amount of fluid collects between the thin layers of tissue lining the outside of the lung and the wall of the chest cavity. They had found in previous attempts that culturing lung cancer cells from tumors in Petri dishes did not work well. The cells ...

Toward cheap underwater sensor nets

... are building a low-cost, low-power modem for short-range, low data-rate underwater networking. Working underwater means you don't have access to a wall socket for plug-in power. Our idea is to make the sensor and modem hardware as energy efficient as possible," said Benson. Greater energy ...

New therapy substitutes missing protein in those with muscular dystrophy

... of those problems. Upon injection, the TAT-utrophin combination spreads around the entire body efficiently and is able to penetrate the muscle cell wall to substitute for missing dystrophin. Because every cell in the body makes utrophin naturally, TAT-utrophin circumvents immunity issues associated ...

Single gene defect can cause stroke, other artery diseases

... artery disease, 15 had ischemic stroke, including Moyamoya disease, and 15 had more than one vascular disease. In thoracic aortic disease, the wall of the aorta, the main blood vessel leading out of the heart, weakens and forms an aneurysm that can ultimately lead to an aortic dissection and ...

Center to investigate plant cells for better biomass fuels

... synthesis, lignocellulose assembly and the relationship between nanoscale structure and macroscale properties including porosity and plant cell wall mechanics. Penn State also has researchers participating in three other EFRCs: Computational Catalysis and Atomic-Level Synthesis of Materials: ...

Olympus advances technology for laparo-endoscopic single-site surgery

... Dr. Ross. "We have found that patients experience less pain because there are fewer incisions in the abdomen, and there is less trauma to the muscle wall going through the midline. Other advantages of single incision include decreased risk of wound infection and no visible scar." "This procedure is ...

Genes from tiny algae shed light on big role managing carbon in world's oceans

... were responsible for three-quarters of the net carbon production. They were also shown to be subject to heavy grazing pressure; their lack of a cell wall may make them more digestible as prey. In this case carbon may be efficiently sequestered by the "biological pump," the suite of processes that ...

A full-sized California-style home made of bamboo

... sized and suitable for modern construction. The structural design of the demonstration house followed US design codes for timber structures. The wall panels were made with GluBam two-by-four studs, capable of resisting severe earthquakes. All the beams, columns and trusses were assembled by bolts ...

Oh baby, interventional radiology makes childbirth safer

... are making childbirth safer for women who suffer from a rarebut increasingly frequentbirth condition when a woman's placenta (attached both to the wall of the uterus and to the baby's umbilical cord) grows or "invades" into the uterine wall. "Minimally invasive interventional radiology treatmentsthat ...