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Tag: "traditional" at biology news

DNA Molecules Used To Assemble Nanoparticles

...ifferent cells, it would be 25 synthesis steps the traditional way," Baker said. At two to three months per synthesis, and a significant loss of yield for each step, that approach just wouldn't be practical. Instead, the Baker group will create a library of single-functional dendrimers that can be synthesized i...

Bioartificial kidney under study at MCG

...contained in a cartridge similar to those used for traditional dialysis. With dialysis, a patient's blood runs through the fibers and a solution with the normal composition of electrolytes runs on the outside. Through osmosis, waste products in the blood migrate across the fibers into the solution. The now-dirt...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ogen inextreme environments."Instead of relying on traditional techniques of microbiology thatutilize cultures grown in the lab, the CU-Boulder team used methodologydeveloped by Pace to genetically analyze the composition of themicrobial community as it appeared in the field. "We didn't look atwhat grows in a cu...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...f human embryonicstem cells that had been grown in traditional culture conditions. Thescientists further confirmed the presence of Neu5Gc with a processcalled electrospray mass spectrometry. The percentage of total sialicacids present as Neu5Gc in the embryonic stem cells varied from 2.5 to10.5 percent. In human...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

...on of a sample from the side rather than along the traditional view of the microscope lens. This eliminates a problem that has plagued three-dimensional microscopy in the past: researchers could obtain excellent resolution in the plane of the microscope slide, but resolution along the direction of the viewer was...

The secret lives of whales

...the amount of noise is doubling. “Whales have very traditional feeding grounds and their migratory routes along coastlines have become incredibly noisy, urbanized habitats,?Clark explains. “Acoustic smog is shrinking their world.?/p> The Whale in the Coal Mine ?Cataloging Ocean Pollution Roger Payne and Sco...

New imaging method gives early indication if brain cancer therapy is effective, U-M study shows

...functional diffusion map predicted 10 weeks before traditional techniques if the tumor was responding to the chem...ts receive seven weeks of treatment, followed by a traditional MRI scan six weeks after completing therapy to determine if the tumor shrank. If the cancer did not ...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...l measure, it is important to recommend or require traditional hand washing with soap and water throughout each day. Researchers first had volunteers clean their hands and then contaminated their hands with Serratia marcescens and MS2 bacteriophage. Those are, respectively, a harmless bacterium and virus compar...

Scientists identify new model Of NK cell development

...rculating blood. In other words, they had a hunch traditional thinking about the origin of human NK cells might be wrong. In building a case to support their beliefs, they first identified the NK precursor cell, then, they measured the number of the precursors in different parts of the body. Through flow cytom...

Influenza vaccine uses insect cells to speed development

...n outbreak is the widespread use of a vaccine. The traditional egg-based method requires 3 to 6 months to develop the vaccine. With our cell-based method, the time from receipt of the virus strain to the final vaccine product would be shortened to approximately 1 to 2 months." Today's flu vaccines are prepared ...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...-sustainable practices." "Prior to the 1970s, the traditional stakeholders had limited impact on the resources t... and over-fishing." Dr. Teixeira says the loss of traditional cattle farming is facilitating fire in the dry season. Without cattle to eat or step on the grass, i...

New Treatment Rivals Chemotherapy For Lymphoma, Study Finds

... for lymphoma that takes a fraction of the time of traditional chemotherapy with fewer side effects caused tumors...ma and is not considered to be curable using these traditional treatments; even after patients initially have a response to treatment, the disease almost always co...

Antibiotic might fight HIV-induced neurological problems

... infection in developing countries where access to traditional antiretroviral drugs is very limited," says Zink. "Most of the 40 million people with HIV infection live in these countries." ...

DuPont's first biologically derived polymer receives global recognition

...al ingredients. This will reduce the dependency of traditional chemical fiber products on oil resources. It will ...equires over 40 percent less total energy than the traditional petrochemical feedstock. It will be commercially available in 2006. In 2003, the U.S. Environmental...

BioMed Central welcomes the new National Institutes of Health public access policy

...e NIH request, authors publishing with most of the traditional subscription publishers will be expected to go through a process of resubmitting their papers to the PubMed Central repository. In addition, they will often need to update their manuscript version with the changes introduced in the publication proces...

Researchers devise way to mass-produce embryonic stem cells

That's important because traditional laboratory methods used to grow these cells are co...We have to find a way to mass-produce them because traditional cell culturing methods can't meet the projected high market demand for stem cells," Yang said. He a...

New winter hulless barley has high protein

...ley offers producers an alternative grain for both traditional and new markets, including food, feed, and ethanol...arch content and significantly lower in fiber than traditional hulled barley," he said. Virginia Tech released the first winter hulless barley cultivar, "Doyce," i...

New Drugs For Bad Bugs: UF Approach Could Bolster Antibiotic Arsenal

... Bacteria are increasingly adept at outwitting the traditional antibiotic arsenal. Yet designing and testing new...y going by trial and error or by using some of the traditional ways.?/p> Consider one recent example: Derendorf led a series of laboratory experiments designed...

Scientists discover how plants disarm the toxic effects of excessive sunlight

...rgy systems that use sunlight as an alternative to traditional fossil fuels. "By understanding how biology solves this problem, we can fine-tune the design of these systems to minimize the harmful effects of singlet oxygen and enhance energy production." Reactive oxygen also plays an important role in human, an...

Computational Method Speeds Mapping of Cell Signaling Networks

...nally took researchers decades to accomplish using traditional approaches. In the past, scientists have treated signal networks like a puzzle--studying them one pathway at a time and then tying the information together to construct a global picture of what’s going on inside the cell. But the molecules that make...

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