Proper in Biological News

Understanding phosphorus in soils is vital to proper management

MADISON, WI, FEBRUARY 2, 2009--Phosphorus is one of the key nutrients that can cause algal blooms and related water quality problems in lakes, rivers, and estuaries worldwide. Phosphorus entering waters originates from a variety of sources. Agricultural land receiving long term applications of o...

Researchers developing device to predict proper light exposure for human health

Troy, N.Y. Scientists have long known that the human body runs like clockwork, guided by a circadian system that responds to daily patterns of light and darkness. Now a team of researchers is developing a personal device to measure daily light intake and activity, which could allow them to predic...

Womb needed for proper brain development

The brains of babies born very prematurely do not develop as well as those who are carried to full-term, according to new research presented today at the annual meeting of the Society for Neuroscience in Washington, D.C. Dr. Sandra Witelson, a professor of psychiatry and behavioural neurosciences...

Beyond genes: Lipid helps cell wall protein fold into proper shape

A protein that provides a vital passage through a bacterium's outer cell wall will misfold and malfunction if that wall is built of the 'wrong' material, scientists at The University of Texas Medical School at Houston report in a finding that has long-term implications for understanding diseases ca...

Protein handlers should be effective treatment target for cancer and Alzheimer's

...and Cancer Virology. Everyone needs molecular chaperones which prompt genes to make proteins, move proteins around the body, fold them up into the proper shape to function properly and even haul them off when they no longer work. Cancer needs them even more for the endless cell replication required for ...

Test helps in fight against lung infections and for treating other life-threatening infections

...al infections. Now, for the first time ever, the breakthrough test developed by Innovotech™ Inc. has shown very positive results in selecting proper antibiotic treatment for serious lung infections in patients with Cystic Fibrosis (CF), a population recognized as having among the most life threaten...

Vaccine blocks malaria transmission in lab experiments

... Researchers at the Johns Hopkins Malaria Research Institute have for the first time produced a malarial protein (Pfs48/45) in the proper conformation and quantity to generate a significant immune response in mice and non-human primates for use in a potential transmission-blocking vaccin...

A genetic basis for schizophrenia

... role of Disc1 in development, particularly the migration of cells to their proper location in the brain and subsequent differentiation into their intended fa...isc1 resulted in hindered migration of dentate gyrus granule cells to their proper location in the brain. "Improper migration of hippocampal neurons may resul...

Healing power of aloe vera proves beneficial for teeth and gums, too

...ercial toothpaste, it is a great alternative for people with sensitive teeth or gums. But buyers must beware. Not all aloe vera tooth gel contains the proper form of aloe vera. Products must contain the stabilized gel that is located in the center of the aloe vera plant in order to be effective. Products mu...

LincRNAs serve as genetic air-traffic controllers

...cell." Inspired by a lincRNA called HOTAIR -- which is known to bind key chromatin modifier proteins and to assist in getting these proteins to the proper location in the genome the researchers hypothesized that other lincRNA molecules might be playing similar roles. "DNA wraps around partner protei...

UAB students' Nintendo Wii CPR earns American Heart Association support

...he technology is a computer program that can be downloaded on home computers and synched with the wireless technology of the Wii remote to teach users proper CPR technique. "We began talking about the possibility of using the Nintendo Wii to teach CPR last January, and that is when we initially contacte...

2 Fred Hutchinson Cancer Research Center scientists receive Presidential Early Career Award

...ork has offered novel explanations for host-pathogen interactions and for the evolution of structural DNA elements (centromeres) that are critical for proper cell division. Recently, Malik and colleagues have turned their attention to the phenomenon of "viral mimicry," in which viral proteins can resemble...

Plastics chemical retards growth, function of adult reproductive cells

...re could be fertility issues," Flaws said. "These follicles also make sex steroid hormones, and so if they don't grow properly you're not going to get proper amounts of these hormones." Such hormones are essential for reproduction, she said, "but they're also required for healthy bones, a healthy heart and ...

Army study improves ability to predict drinking water needs

...oped more than 25 years ago, is expressed as (msw (gm-2h-1) = 27.9 Ereq (Emax)-0.455, where: Ereq is evaporative heat loss required to maintain proper body temperature Emax is the evaporative potential of the environment msw represents sweat loss gm-2 is grams of sweat multiplied by the body's sur...

Two dietary oils, two sets of benefits for older women with diabetes

...h weight loss in previous studies. Both are composed primarily of polyunsaturated fatty acids, which are considered "good fats" that, when consumed in proper quantities, are associated with a variety of health benefits. In the study, 16 weeks of supplementation with safflower oil reduced fat in the trunk...

Scientists find a biological 'fountain of youth' in new world bat caves

...09 print issue of The FASEB Journal ( http://www.fasebj.org ), shows that proper protein folding over time in long-lived bats explains why they live signifi...an those of the mice, indicating that bats have a mechanism for maintaining proper structure under extreme stress. "Maybe Juan Ponce De Len wasn't too far ...

Xie Lab uncovers molecular machinery related to stem cell fate

...n. The work was published today by PNAS Early Edition. Maintaining the proper balance between stem cell self-renewal and differentiation is critical for ... regulate the balance between self-renewal and differentiation by promoting proper expression of E-cadherin a molecule crucial to the stem cell's ability to ...

Energy-saving method checks refrigerant level in air conditioners

...her types of units, and also for household central air conditioning units, said James Braun, a professor of mechanical engineering. Maintaining the proper "charge," or amount of refrigerant in a system, saves energy because air conditioners low on refrigerant must operate longer to achieve the same degre...

Molecular typesetting -- proofreading without a proofreader

... have developed a model of how errors are corrected whilst proteins are being built. Ensuring that proteins are built correctly is essential to the proper functioning of our bodies, but the 'quality assurance' mechanisms that take place during this manufacturing process are not fully understood. "Scie...

Policy transparency key to saving world's fisheries

...in Spain. "If this is heavily influenced by political pressures or corruption, it is unlikely that good scientific advice will ever be translated into proper regulations. Similarly, authoritarism in this process is likely to reduce compliance with the resulting policies." "Several examples provide eviden...

Targeting helpers of heat shock proteins could help treat cancer, cardiovascular disease

... "We are trying to understand how Hsp90 folds steroid receptors into the proper conformation so they work," says Dr. Ahmed Chadli, biochemist in the MCG Ce...ring stress, heat shock proteins, such as Hsp90, work to help proteins keep proper conformation and function. It can be bad news when they don't. When pro...

Fate in fly sensory organ precursor cells could explain human immune disorder

...we found that WASp is also required for the trafficking of Delta to the top of the actin structure," said Bellen. Notch signaling is required for proper development, differentiation and activation of a class of immune cells called the T-cells. T-cell function is compromised in patients with Wiskott-Ald...

RSA Designated as the Leader in One-Time Password Market by Frost & Sullivan

...eting at RSA. "We are achieving this by providing a broad choice of innovative strong authentication methods that allow our customers to determine the proper balance of risk, cost and user convenience to best meet their unique needs." According to Frost & Sullivan, as attackers become more daring a...

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

... that of the nanosized fibers of the connective tissue that surrrounds human cells. The two materials are different and are difficult to blend, but proper mixing is crucial because imperfectly blended fibers have weak points. Zhang and colleagues built prototype nerve guides measuring 1.5 millimeters ...

Protein regulates movement of mitochondria in brain cells

...ndria to distant sites within the cell to maintain proper function. A prominent example is neurons which ha...e moving down the arms of the cell to assume their proper position. Additionally, for reasons not completely... The primary role of HUMMR is to regulate the proper transport and distribution of mitochondria through...

Ethanol production could jeopardize soil productivity

...y of removal was less than 66% and that no more than 40% of the aboveground residues other than grain are removed. From a crop management perspective, proper nitrogen fertility combined with no-till would further reduce the possibility of net losses in SOC and SON." Research is ongoing at Agriculture and...

Protein linked to mental retardation controls synapse maturation, plasticity, CSHL team finds

...ning and memory -- the team confirmed that the signaling protein is not essential for the formation of dendritic spines, but that it is needed for the proper maintenance of their structure. Importantly, in this maintenance function, the OPHN1 protein was found to play a key role in both the maturation of e...

Omega fatty acid balance can alter immunity and gene expression

...ed to as high as 10:1. Since these omega fatty acids can be converted into inflammatory molecules, this dietary change is believed to also disrupt the proper balance of pro- and anti- inflammatory agents, resulting in increased systemic inflammation and a higher incidence of problems including asthma, aller...

Studies shed light on collapse of coral reefs

...that of humans, have sophisticated systems of biological communication that are being stressed by global change, and are only able to survive based on proper function of an intricate symbiotic relationship with algae that live within their bodies. After being a highly successful life form for 250 million...

Shatter-resistant brassicas

...ecessary for the fruit to open. Two stripes of tissue form where no auxin is present, and these separate to open the pod. It is already known that proper plant development, such as organ growth and patterning, requires specific hormones to accumulate in specific regions. This is the first time that remo...

TB -- hiding in plain sight

... evidence that the adaptive immune response in establishment of clinical TB [is] skewed towards a suppressive or regulatory phenotype that may inhibit proper immune activation and down-regulate the host response at the local site of infection. Compartmentalization of the immune response in human TB could be...

Protein identified as critical to insulating the body's wiring could also become treatment target

...e, such as a muscle cell, they reach out with an arm or extension called an axon. Much like the telephone lines that line roadways, these arms require proper insulation, called myelin, composed mostly of lipids and some proteins. Axons that transmit quick messages such as telling legs to walk need a lo...

One sponge-like material, three different applications

...succeeded in doing something very difficult: eliminating the platinum and only using common materials to create a gel," said Kanatzidis. "We found the proper conditions to get the properties we wanted. The key was changing the solvent from water to formamide." In addition to being a better HDS catalyst a...

How an enzyme tells stem cells which way to divide

...ly, with both daughter cells adopting the same fate, In turn, Prehoda said, these cells can become tumorous as they continue to rapidly divide without proper polarization. ...

UC Davis bioengineer receives Hartwell Foundation grant to address skull fusion disorder of infants

... approach in laboratory rats. "What we want to do is make a scaffold a material that the bone-forming cells can enter that supplies them with the proper directions for how much bone they should be forming and how fast they should be doing it," he said. Leach will be collaborating with two colleagues...

NIST issues first reference material for tissue engineering

...hy cell growth also depends on the cells immediate surroundings. If the pores are too large or spaced too far apart, cells will be unable to build the proper connections. The three new NIST reference materials are disks approximately 20 millimeters across and 5 millimeters high formed of crisscrossed lay...

HudsonAlpha investigator develops rapid response swine flu test

...hysicians to quickly distinguish between patients who have swine flu and those who present with similar symptoms. "This enables physicians to provide proper therapy in a timely manner," noted Grimaud. "A rapid confirmation can also mitigate many of the negative economic and social impacts associated with ...

Camphor-containing products may cause seizures in children

...ns, and federal and New York City regulations require that camphor-containing products be properly labeled. Nevertheless, camphor products without proper or complete labeling are widely available and commonly used for medicinal, spiritual and aromatic purposes and for pest control, especially in the His...

Wind, salt and water are leading indicators of land degradation in Abu Dhabi

...bu Dhabi Emirate includes characterization, mapping, and monitoring of salt-affected soils, as well as work to better understand the sources of salts, proper leaching requirements and efficient drainage systems, how to ensure good quality irrigation water, and optimal crops. The study also identified wat...

Searching for pollution in the Caribbean

...tants (CESSCO) in sediment sampling. He had flown into San Pedro Sula from Cuba over the weekend; then spent the past couple of days teaching the team proper procedures in the use of sampling tools and sample treatment in the laboratory. The two men and three women from CESSCO were eager and quick to learn,...