Tag: "tube" at biology news
Supelco Licenses ORNL Solid Sorbent Air Sampling Material
...h anddevelopment. The ORNL air sampler comprises a tube
containing a sol-gel sorbent, whichis an organic-inorganic composite material. The sol-gel sorbent trapcollects organic contaminants from the air, and is then heated to releasecollected samples into a modified gas chromatograph for analysis, explain...
Duke researchers find existing drugs can stop fungus that attacks AIDS patients
...ds effectively stopped growth of thefungus in test tube
studies. They are now testing the most promising compoundin animals afflicted with fungal infections. In the May 15 issue of the EMBO Journal, geneticist Dr. Joseph Heitman,a Howard Hughes Medical Institute investigator; fungus expert Dr. John ...
Chemists Develop High-Throughput Method To Synthesize And Screen Novel Antibiotics
...ny trouble, but there's a big jumpbetween the test tube
and elsewhere," Day readily admits. The focus of Wang's presentation will be on the analyticalmethods used to identify and separate the various isomersproduced by Day's synthetic approach. "The important result to having access to all these isomers i...
Cellular Engineers Design Custom Cell Surfaces Able To Adhere To Synthetic Materials
...g studies of hydrazide-labeled toxinsfrom the test tube
into laboratory animals. Other labeled cancer-killers arebeing explored, as well as a method for making ketone-labeled cancer cells standout in magnetic-resonance imaging by using hydrazide-labeled compounds for highcontrast. Bertozzi's team...
Fruit Flies May Shed Light On Cocaine Addiction
... toevaporate, they placed the wire in a tiny glass tube
containing several flies. As the wire was heated by an electric current, "crack" was released in a cloudof smoke that was absorbed by the flies. In response to low doses of cocaine, the flies continuously groomed themselves. With higher cocaine lev...
'Rolling Circles' Provide New Way to Amplify and Detect DNA
... tube, and when you come back 12 hours later, the tube
isfull of DNA. "It's now feasible to make bucketfuls of DNA, an amount wecan't even begin to approach with other amplification techniques." Unlike other DNA-copying techniques now in use, rolling circles don't require special enzymes or co...
Good Ergonomics Is Good Economics
...be manufacturing handling and storage system. In a tube
manufacturing facility, a tube
handling and storage system had an unacceptably high noise level and high rejection rate from damage...
Worm Wizardry: World's Most Heat-Tolerant Creature Suggests Enzymes For Drugs OrIndustry, UD Prof Says
...hed bycooler water. In fact, water adjacent to the tube
is much hotter, and thereforecan't draw heat away from the worms. "It may be that these bacteria areinsulating the worms in some way," Cary says. "We don't know yet if this istrue, but our data shows that the bacteria thrive at high heat. If the bact...
Low B Vitamin Levels Common In Many People Linked To Increased Heart Disease, Stroke Risk
... in pregnant women has been associated with neural tube
abnormalities leading to such diseases as spina bifida, a crippling birth defect. On Jan. 1, a governmental folic acid fortification program began to add thevitamin to cereals, grain products and flour. Omenn says that supplements of 400 ug folic aci...
High Testosterone Level May Lead Male Junco To Stray From Mate
...order to later determine paternity.A small plastic tube
was inserted under the skin of the males. In 58 ofthe males, the tubes slowly released testosterone over the course of theseason. In 67 of the males, the tubes were empty. After this initial procedure,the birds were released and allowed to live natur...
DNA Used To Create Self Assembling Conducting Wire: Breakthrough Will Lead To Next Leap In Emerging Nanoelectronics
...ross the two electrodes. Then theyuse a tiny glass tube
to create suction on one end of the droplet. This inducesa river-like flow that stretches the DNA spans across the gap, allowing thetails to bind to the complementary oligonucleotides on the electrodes. DNA by itself is an insulator and won't...
MIT's Mini Respirator Breathes Life Into Mutant Mice
...today's conventional respirators deliver air via a tube
inthe neck. This isn't feasible for mice, however,... animals are toosmall. "Even if you could insert a tube
into the trachea, any bit of moisturewould clog up the airways," Dr. Poon said. The MIT mac...
USC Study On Soy's Anti-Cancer Effects
...plant estrogenwith antioxidant properties. In test tube
studies, the compound has been shownto halt cell growth and angiogenesis (the development of new blood vessels thattumors require for continued growth.) Another team gave genistein to female ratsas newborns and later exposed the rats to a tumor-induc...
Cystic Fibrosis Foundation Launches Innovative Therapeutics Development Centers
...ll promising discoveries about CF from the test tube
to the bedside * will be accelerated through this program," says Robert J. Beall, Ph.D., president, CEO and medical director of the Foundation. "These centers are building the infrastructure to conduct clinical research as efficiently and ...
Sex Differences In Heart Disease May Be Due To Enzyme That Breaks Down Fat
...Hepatic lipase activity must be measured in a test tube
and requiresmore than a simple blood test. Because it binds to the endothelium, the innerlining of blood vessels, people must first submit to an injection of the bloodthinner heparin to release hepatic lipase into the bloodstream. The complexityof ...
Vascular Surgeons Test New Treatment For Abdominal Aneurysms
...e that uses 3-D images and a metal-supported cloth tube
torepair stretched and weakened abdominal arteries...sivesurgery to sew a similar but unsupported cloth tube
inside the ballooning aorta. Williams is accepting 15 patients for the Hopkins study, which ...
RNA-Dendritic Cell Combo Shows Promise As A Universal Cancer Vaccine
...cells targeted fordestruction in 15 out of 18 test tube
experiments. "This is a very powerful res...sted inanimals and in laboratory studies in a test tube
was effective, said centerresearcher David Boczkowski, a contributing author. This is the type of va...
Adults Need To Increase Intake Of Folate; Some Women Should Take More
...to reduce their risk of having a child with neural tube
defects,according to the latest report on Dietary ...n the United States. To reduce the risk of neural tube
defects, womencapable of becoming pregnant should consume 400 micrograms of folic acid dailyfrom for...
New Recommended Intake Of Folate, Other B Vitamins, And Choline To Be Announced At April 7 Briefing
...tamins play in preventing vascular disease, neural tube
defects, and otherhealth problems. After a comprehensive review of the scientific evidence, acommittee of the Institute of Medicine has developed updated recommendations forindividual intake of these nutrients; its report includes recommendations on...
New Airway's 'Smarts' Ensure That Patients Get Plenty Of Oxygen
...eatening complications byunwittingly inserting the tube
in a patient's esophagus ratherthan the trachea, s... orbrain, or even death. The new endotracheal tube
sidesteps these perils with"smarts" derived from ultrasound transducers smaller than apencil's erase...
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