Tag: "material" at biology news
INDOEX Researchers Document The Impact Of Pollutants On Climate Processes Over The Tropical Indian Ocean
...lution controltechnologies remove much of the dark material
and yield particles that arerelatively "white" which can have a very different effect on radiativeprocesses. Thus the impact of Asian pollution particles on climate processesappears fundamentally different from that of American and European pollution...
Viral Harpoon Structure Suggests Measles, HIV And Ebola Viruses Related
... for infecting cells and insinuating viral genetic material
into thetarget cells to commandeer their machinery." According to Lamb, the similarity among such widely varied viruses suggeststhat they might have had some common ancestor that shared a primitive version ofthe fusion protein. It is impossible at t...
Testing Restaurant Compost For Greenhouses
...e talking about hundreds of tons ofusable, organic material
each year." That's all Clark needed to hear. She put up posters urging concerned citizensto come to a "town meeting" about food waste. One result was formation of theIthaca Compost Committee, an informal group of about 15 college professors andst...
UI Laboratory Develops Procedure To Study DNA Replication
...hese reactions in more detail." DNA is the genetic material
that encodes all components in human cells. Eachcell contains more than two meters of DNA. Every time a cell divides, it isnecessary to duplicate all of its DNA. Using DNA derived from the Simian Virus 40 from monkeys, Wold and members of hislaborat...
Quarterly News Tipsheet -- Research Highlights From Pacific Northwest National Laboratory
...s coated with asuitable electroactive ion exchange material
(nickel hexacyanoferrate forpotassium). The membranes absorb the ions and then, when the polarity of theelectrodes is reversed, the ions are unloaded into an appropriate waste stream. The system has potential benefits of lower energy costs, increas...
Penn Researchers Develop Gene Therapy Technique That Reverses Muscle Membrane Weakness In Muscular Dystrophy Variant
...ility to successfully place thetherapeutic genetic material
into deficient muscle cells. Now, for the firstti... produces widespread transfer ofcorrective genetic material
into muscle cells throughout an entire limb. In sodoing, the research team also found evidence for ...
New Cell Isolation Method Will Aid In Studying Tumor Development
... fixed and embedded samples to obtain high-quality material
formolecular analysis was unsatisfactory. The use ...zen samples has its owndrawbacks of requiring more material
and the complications of the freezingprocedure. The current methods of tumor-cell enrichment all hav...
Porous Silicon Joining Humans To Machines
...o initial research into thebiocompatibility of the material
at De Montfort University, Leicester, UK. Themate...research findings from De Montfortsuggest that the material
may also be biocompatible. Professor Sue Bayliss fromDe Montfort says, "The ability to culture mamm...
Compounds From Fruits, Vegetables And Grains Slow The Growth Of Human Tumor Cells
...enoids interfered with the maturation of laminB, a material
cells need when they divide. Many of the tumor cells treated withthe isoprenoids accumulated in a pre-division phase while many others enteredapoptosis, or programmed cell death. The researchers showed that the isoprenoidssuppressed the activity of 3...
American Red Cross Launches New Genetic Screening Technology To Directly Detect Viruses
...lood." Because NAT looks directly for the genetic material
of viruses, either DNA orRNA, the test can detect ...rging viruses, bacteria or fungi for which genetic material
has beenidentified. The Red Cross estimates that rates of NAT-reactive donations among thosevolunte...
Seabed Silt In Indian Ocean Consists Of Remains Of Summer Plankton
... automated sediment traps in which flows of marine material
were caught while settling to the deep ocean floor... preserved, for example flocs of resistent organic material
and the tiny skeletons of the organisms. Most of the other material
is recycled near the surface of ...
University Of Pittsburgh Cancer Institute Team Is The First To Uncover Role Of Faulty DNA Repair In Breast Cancer
...fore another setof enzymes encounters this genetic material
and replicates it prior to celldivision. In making their repairs, NER enzymes cut a large swatch of the helixaround a mistake and replace the damaged DNA with the correct sequence ofnucleotides. For its studies, the team looked at breast tissues fro...
New Coating Process May Prevent Body From Rejecting Medical Implants
...rary fixes. The body's natural response to foreign material
-whether it's a medical implant or a bullet - is to wall it off with scar-liketissue, Ratner explains. Frequently, this reaction disrupts the device'sperformance and necessitates further medical intervention. What's happening at the molecular level,...
Tipsheet: Environmental Story Ideas
... the manure fibers from liquid waste. The captured material
is beingused as bedding for farm animals, but rese...ss. But whether the publicever catches wind of the material
might depend on the wood market, whereshortages in wood and paper pulp are predicted. "People should...
First North Americans Had Chance To Be Avid Birders
...r Eastern Beringian research. The bird and mammal material
found at the site is particularly valuable in thatit forms the largest and most complex in-situ, or undisturbed, Pleistoceneanimal bone assemblage in Eastern Beringia. The caves have yielded what may bethe earliest evidence of human occupation in the...
New Biochemical Technology Ready To Retrieve, Purify Heaviest Crude Oil
...n, and heavy metals. The hydrocarbons are the raw material
for theentire petroleum industry, providing the feedstock for refineries and the basisfor everything from gasoline to plastic. Natural variation in oil's characteristics among different regions - or evenwithin the same oil field - creates different g...
New Species Of Human Ancestor
...ock-outcroppings) that would have served as source material
for stone tools,and that therefore Bouri hominids had been forced to carry in whatever toolsthey needed to exploit animal life at the lake margins. Still, the site at Bouribegs comparison to another 2.5-million-year-old site at nearby Gona, Ethiopia,...
Scientists Show Proteins Function Individually As Part Of DNA Repair
...the processes by whichthe body repairs the genetic material
known as DNA inside cells. Using a combination of sophisticated genetic and biochemical techniques,they have solved a lingering debate among scientists by showing that a proteincalled DNA helicase II can act individually and need not be coupl...
HHMI To Award $14 Million In New International Program To Support Research On Infectious And Parasitic Diseases
...nomic sequencing have revealed the completegenetic material
of organisms that cause devastating diseases," said Joseph G.Perpich, HHMI's vice president for grants and special programs. "HHMI has ahistoric opportunity to become involved at a pivotal point in research thatpromises to unlock the secrets of these...
Researchers Track Path Of Safer Gene Delivery Method
HOUSTON, May 5, 1999 -- A material
used for years in common processessuch as shampoo manufacturing, paper production and water filtration may one daybring DNA to a patient's cells by way of a safer, nonviral gene therapy method. Poly(ethylenimine) (PEI), a polymer, has been us...
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