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Simpler in Biological News

Safe water: simpler method for analyzing radium in water samples cuts testing time

A simpler technique for testing public drinking water samples for the presence of the radioactive element radium can dramatically reduce the amount of time required to conduct the sampling required by federal regulations. The U.S. Environmental Protection Agency (EPA) has approved use of the new ...

Liver regeneration may be simpler than previously thought

The way the liver renews itself may be simpler than what scientists had been assuming. A new study, appearing in the April 13 issue of The Journal of Biological Chemistry, provides new information on the inner workings of cells from regenerating livers that could significantly affect the way physic...

Surgeons develop simpler way to cure atrial fibrillation

Physicians have an effective new option for treating atrial fibrillation, a common irregular heart rhythm that can cause stroke. Heart surgeons at Washington University School of Medicine in St. Louis have developed and tested a device that radically shortens and simplifies a complex surgical proce...

Cheaper and simpler keyhole surgery

Endoscopic surgery brings many advantages for patients but is very difficult for the surgeon. Working at the Academic Medical Centre in Amsterdam, Joris Jaspers has developed two instruments which make this approach easier and also cheaper than with existing surgical robotics. Jaspers is awarded hi...

Discovery Promises Simpler Therapy for Sickle Cell Disease

Durham, N.C. ?A new understanding of the causes for symptoms of sickle cell disease, a condition affecting one in every 600 African-Americans, has resulted from a study by researchers at Duke University Medical Center and Howard Hughes Medical Institute (HHMI). Their findings may lead to a new, mor...

Carnegie donates landmark clones to biology

...umulated on the early Earth. This mechanism has been retained although a single mutation can make the transporters work independently. So why did this simpler mutation not succeed? The researchers believe that there must still be selective pressure on the system. The simplest explanation is that the mechanis...

Reducing risk of hospitalization in the elderly

... procedures, such as using quantitative computed tomography (QCT). Those are time consuming and expensive," says Cawthon. "However, we found that much simpler methods such as measuring walking speed are much easier and cheaper to do, and are even more accurate in determining a person's risk of future hospi...

Jet-propelled imaging for an ultrafast light source

... the beam. It may be possible to orient flying droplets by optical methods such as polarized laser beams or with specially shaped nozzles. Perhaps simpler is to use the ever-increasing power of the computer which for a lensless imaging system is where most of the functions of a lens reside. Computer sys...

Scientists discover gene mutation responsible for hereditary neuroendocrine tumor

...an Cancer Institute, and lead author of the study. "Because it is incredibly difficult to perform in-depth studies in humans, we decided to use a much simpler model system, the yeast Saccharomyces cerevisiae, in order to study mitochondrial functions before going back to humans and determining whether what w...

Ovarian transplantation: New technique gives greatly improved results in this delicate operation

...r. Silber, "but our current research has proved us wrong. This is not only good news for surgeons, but also for patients who will be able to undergo a simpler procedure with equally successful results." Out of the eight women who received cortical transplants, six have had one or more spontaneous pregnanc...

DNA template could explain evolutionary shifts

...scribe how this process called fork stalling and template switching (FoSTeS) in humans or microhomology-mediated break-induced replication (MMBIR) in simpler models generated genomic rearrangements ranging in size from several megabases to a few hundred base pair during normal cell division, resulting in t...

American Chemical Society weekly presspac -- June 10, 2009

...ies produce tinted shades of white light, require complex components, and become unstable over time. The researchers describe development of a new, simpler white LED that is the first to achieve stable white light emissions using a single molecule. Their specially engineered molecule combines two light-em...

Time series identify population responses to climate change

...al interactions typically complicate responses to climate change. The time series approach described by Post and colleagues is intended to supplement simpler methods rather than replace them. It can only be used on species for which there are detailed abundance records extending over, ideally, 25 years or m...

How an enzyme tells stem cells which way to divide

...urate. "There have been a lot of ideas on how this works, and most seemed to be really complicated and difficult to explain. We have found it's a much simpler mechanism," Prehoda said, adding that the mechanism likely is similar in many other types of cells, not just stem cells. "It's a basic-research que...

ExcellGene and Khner achieved milestone in development of novel 250 Liter mammalian cell culture bioreactors

...mpared to classical stirred tank bioreactors, OrbShake-bioreactors are much simpler and less costly to operate. The principles of orbital shaking technology ...and unjustified mental barriers in order to provide more cost-effective and simpler procedures to subcultivate and expand cell biomass in reactors with the ult...

Brain's problem-solving function at work when we daydream

...ivated. The quantity and quality of brain activity suggests that people struggling to solve complicated problems might be better off switching to a simpler task and letting their mind wander. "When you daydream, you may not be achieving your immediate goal say reading a book or paying attention in cl...

Genes from tiny marine algae suggest unsuspected avenues for new research

...d Micromonas also developed them. Or perhaps an organism (the ancestral alga) that preceded both land plants and Micromonas had them, which is the simpler explanation." For example, the researchers found evidence that Micromonas has genes that scientists previously temporally associated with the dev...

Caltech researchers train computers to analyze fruit-fly behavior

...on, is designing machines that can detect and interpret human intentions, actions and activities. To do that, we need to start with organisms that are simpler and easier to study. David Anderson showed me how interesting and rich fly behaviors are, and so we started collaborating." "There's a lot of infor...

Human adult testes cells can become embryonic-like

...valuable tissue to allow them to make their discoveries. While they have published their preliminary results before, they are now disclosing a new and simpler method to isolate the testes stem/progenitor cells than has not been seen in other published procedures in humans and rodents. Being able to use ad...

Musicians have biological advantage in identifying emotion in sound

...rs expected. They found that musicians' brainstems lock onto the complex part of the sound known to carry more emotional elements but de-emphasize the simpler (less emotion conveying) part of the sound. This was not the case in non-musicians. In essence, musicians more economically and more quickly focus ...

Frog's immune system is key in fight against killer virus

...o the new threat." Teacher also found that the frogs' immune systems are simpler than many other animals, including humans, who have several MHC genes doing...ory when this multiplication of genes occurred. With luck, even the frog's simpler system will be sufficient to win their battle". It is too early to det...

Scripps scientists develop first examples of RNA that replicates itself indefinitely

...onents. For years, researchers have wondered whether there might be some simpler way to copy RNA, brought about by the RNA itself. Some tentative steps alon...ng blocks likely would have been simpler, the work does finally show that a simpler form of RNA-based life is at least possible, which should drive further res...

Developer of advanced computing memory, father of biochemical engineering, and innovative engineering educators win highest engineering honors of 2009

...ansistor a device that conducts electricity, amplifying the charge as the electricity is passed along allowed his memory cell to be much smaller and simpler in design than its predecessor. In addition, Dennard and associates developed the set of consistent scaling principles for miniaturizing MOS transi...

Biomedical researchers create artificial human bone marrow in a test tube

... bone marrow that can continuously make red and white blood cells has been created in a University of Michigan lab. This development could lead to simpler pharmaceutical drug testing, closer study of immune system defects and a continuous supply of blood for transfusions. The substance grows on a 3-D ...

Very cold ice films in laboratory reveal mysteries of universe

...rinciples. Then, going back in time, it seems reasonable to posit that when life first emerged, it would have been using as a container something much simpler than today's cell membrane, probably some sort of simple vesicle of the sort found in soap bubbles. This sort of vesicle can be found in abiotic syste...

Baby talk: The roots of the early vocabulary in infants' learning from speech

..., whether by identifying novel words as novel or by comprehending sentences, may prove a more sensitive predictor of children's language outcomes than simpler tests of speech-sound categorization." ...

'Home Improvement' Star Debbe Dunning is New smartTOUCH Spokesperson

... bioMETRX is the company behind the new generation of Home Improvement products that utilizes hi tech finger recognition technology to make products simpler to use and more secure. The smartTOUCH(R) product line includes door locks, garage door openers, thermostats, mailboxes and cabinet locks. For more in...

In spiders, size matters: Small males are more often meals

... and Ann Rypstra from Miami University in Ohio found, in a study published in the September issue of the American Naturalist, that the answer may be simpler than previously thought. Males are more likely to be eaten if they are much smaller than females, which likely affects how easy they are to catch. In ...

Enzyme detectives uncover new reactions, products

...nal Synchrotron Light Source at Brookhaven Lab, to see how they match up with the predictions. Analyzing the structures of soluble enzymes is much simpler than obtaining structures for membrane enzymes. So, in effect, this work is a fast-track approach for correlating structure with function, which shoul...

Extinction most likely for rare trees in the Amazon rainforest

... species will suffer between 37 and 50 percent extinction, whereas the extinction rate for all trees could be from 20 to 33 percent overall. Would a simpler Amazon forest lacking many of its rarer trees function? Will the extinction of species other than treespollinators, seed predators, carnivorescontribu...

Water refineries?

...and Kanan also found evidence that the catalyst seems to refresh itself, a mechanism that would make maintenance of such oxygen-extracting systems far simpler than alternatives, although that finding needs confirmation from additional experiments. "The simplicity of this process is amazing," said Luis Ech...

Male fish deceive rivals about their top mate choice

...rmany and the University of Oklahoma. "The study highlights that traits that we typically ascribe to humans only can also be found in other, seemingly simpler animals and that no consciousness or self-awareness is needed for a behavior like deception to occur." Deception among animals has been seen before...

Birdsong not just for the birds

...d of superdetector which can recognise as many species as possible and, in combination with GPS coordinates, will make the mapping of bird populations simpler and more efficient. The research field of bio-acoustics, he adds, is currently experiencing a boom. Although it was in the 1970s that the first at...

American Chemical Society's Weekly PressPac -- July 23, 2008

... precursors of life gradually evolved from a so-called "primordial soup" of simpler molecules. But the details of how these simpler amino acids molecules, the building blocks of life, were assembled into com...

American Chemical Society's Weekly PressPac -- July 16, 2008

...E #3 FOR IMMEDIATE RELEASE A new-generation of simpler sensors for detecting disease-causing microbes and...r sites, represents the next-generation of faster, simpler biosensors, according to a study scheduled for the...esults. Their self-contained analyzer relies on simpler components, such as four light-emitting diodes (LE...

'Smothered' genes combine with mutations to yield poor outcome in cancer patients

...eactivate them in test tubes by stripping off excess methyl groups. This suggests that new treatments designed to reverse hypermethylation could be a simpler and more practical approach to treating cancer than strategies that attempt to replace, deactivate or compensate for mutated genes, according to Bayli...

Texas A&M researchers develop tool to study complex clusters of genes

...d proteins are what make up everything in your body. In order to understand the genetic processes in more complex organisms, we have to start with the simpler organisms like bacteria." Sze and his colleague, computer science researcher Qingwu Yang, detail their computational tool and its implications in the...

Evolution of fruit size in tomato

...with groups of genes that influence a particular trait are called quantitative trait loci (QTLs). When a trait is influenced by one gene, it is much simpler to study, but quantitative traits, like skin and eye color in humans or fruit size in tomatoes, cannot be easily defined just by crossing different in...

Purple extremist thrives under inhospitable conditions

...onmental conditions are a prerequisite for life. Strong acids or dissolved metallic salts in high concentrations are detrimental to both humans and to simpler life forms, such as bacteria. Such conditions destroy proteins, ensuring that all biological functions in the cells come to a standstill. So what do w...

Livermore researchers use carbon nanotubes for molecular transport

...res. "Hydrophobic, narrow diameter carbon nanotubes can provide a simplified model of membrane channels by reproducing these critical features in a simpler and more robust platform," said Olgica Bakajin, who led the LLNL team whose study appeared in the June 6 online edition of the journal Proceedings of...
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