Tag: "using" at biology news

Bacterial Toxin Surprises Scientists

... membrane-piercing proteins work. Now, using an innovative technique, NIH-funded researchers at New York City's Albert Einstein College of Medicine are closing in on how one such protein operates. Their work may shed light not only on the deadly power of certain ...

Duke Researchers Discover Central Role Of Nitric Oxide In Hemoglobin Action

...are expertson hemoglobin, designing investigations using blood from humans and rats. After a series of experiments, the team discovered that a NO-containinghemoglobin molecule is synthesized in the lungs and that the NO attachedto it differs from that produced in vessel walls. Hemoglobin is a larg...

Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses

...an estimated 30,000 GulfWar veterans. In studies using chickens, the researchers specifically found that two pesticides,DEET and permethrin, and the anti-nerve gas agent pyridostigmine bromide(PB) were harmless when used alone, even at three times the doses soldierslikely received. But when used in combi...

Enzyme's "Magic" May Hold Key to Anticancer and Antimicrobial Drugs

...: to lock closed the putative "exit gate," using disulfide bonds, and to regulate opening of the putative "entry gate" with ATP or a non-hydrolyzable form of ATP called AMPPNP. Details available upon request from Alisa Zapp Machalek or Dr. James C. Wang....

New 'Twist' In Proteins Offers Possible Route To Improved Antibiotics

DURHAM, N.C. -- Biochemists using X-ray crystallography to figure out thestructure of an enzyme critical to the growth of many bacteria have discoveredan extremely unusual "left-handed" spiral structure in the molecule. The finding suggests the possibility of a new kind of an...

Second Breast Cancer Gene Located

...able, Winer and other physicians at Duke have been using a test forthat gene in an experimental program to evaluate how best to counsel at-riskwomen. Because having a mutated copy of either BRCA1 or BRCA2 could make it difficultto obtain insurance or employment, it is important to couple testing w...

Dating A Caveman

...s is close to 400,000 years old. Previous studies, using less advanced methods, dated the remains in the 20...colleagues demonstrated in 1987 the feasibility of using mass spectrometry to make the kind of measurements demanded by the Zhoukoudian dating project. They...

Computer Program For Quicker, More Detailed Mapping

...of these markers -- far toomany to map all at once using available computer programs. To solve this proble...hey were not sacrificingaccuracy. "We started out using the off-the-shelf thing, then tried to scaleit up. We found that we were bumping up against its limi...

Duke Researchers Discover Candidate Susceptibility Gene For Autoimmune Disease

... genes that can cause arthritis." In addition to using the animal model to understand the autoimmune response,Blackshear will continue studies to determine how TTP is involved in theinsulin response. "Right now we really don't have a good handle on what TTP is doing,although there are hints it is invo...

Rosemary May Have Anti-Cancer Properties

...supplemented with 1 percentrosemary for two weeks, using the same powdered rosemary readily availablein grocery stores. They then treated the rats with DMBA, a chemical knownto cause cancer. (DMBA has a structure similar to benzopyrenes, a classof carcinogens found in auto emissions and cigarette smoke.) ...

Heat-loving Microbe Repairs Its DNA With Light

...nd acidic conditions; itcan repair its damaged DNA using natural light. Sulfolobus acidocaldarius is one of a special group ofmicro-organisms, commonly called "hyperthermophiles." Theseorganisms require extremely high temperatures to grow andreproduce, and they have been recovered by microbiologists over...

Children Become Gorillas In VR Zoo

...e whole point was to make it realistic." Students using the virtual reality system will be transported intothe zoo's Habitat 3 with a typical gorilla family. In reality, thishabitat is the home of Willie B, a 439-lb silverback male, and hisfamily -- Kinyani, Shamba, the pregnant Mia Moja, Choomba and her2...

From Corn Rootworms To Art, Cornell's Reactor Is At The Core

...hope of developing a natural way to control it. By using the 500-kilowatt nuclear reactor on campus, the en...n, root growth rates and root distribution in soil using the technology. Richard Zobel, professor of plant breeding, and Victor Bushamuka, graduate student...

Race Plus Roaches: A Breathtaking Link

...ure of homes. The allergen samples were collected using a handheld vacuum cleaner equipped with individual collection bags. Detectable levels of cockroach allergen were found in 26 percent of urban and suburban bedrooms, where children spend the most number of consecutive hours. Over 80 percent of the chi...

Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation

...owing a defensive agent from another insect and is using it to buy access to the female -- then rewarding the female's favor by endowing her and their offspring with the defensive agent." Insect use of cantharidin as a defensive chemical is not unique to the Neopyrochroa beetles, Smedley noted. Some m...

DNA Techniques Allow Scientists To Become Pollution Detectives.

...the Century," University ofFlorida researchers are using the same science to police polluters. With the oft-mentioned DNA "fingerprint" test, scientists at UF'sInstitute of Food and Agricultural Sciences are able toaccurately point the finger at who is polluting water bodies byisolating E. coli bacteria in...

International Research Team Clones New Skin Cancer Gene

...entive measures such as staying out of the sun and using sunscreen can be applied.2 Collaborating scientists included Michael Dean, Ph.D. from the National Cancer Institute in Frederick, Maryland, Brandon Wainwright, Ph.D. and Georgia Chenevix-Trench, Ph.D. from the University of Queensland and the Queensl...

Water Recycling Project Tested in Turkey Plant

...hat's goingto be very big," Baldwin said. "They're using it in Canada andAustralia right now. We're going to be in the process of setting up sometest sites for that." The direct application process would do away with the need to use chlorinein the chillers. Canada prohibits the import of products treated ...

Automobiles Gain High Technology Noses To Sniff Out Breaches In Air Pollution Laws In Europe Wide Research Project

...ose" to develop highly sophisticated sensor arrays using conducting polymers and semiconducting oxides. These ultra-low power sensors will be capable of using the normal car power supply to perform tasks previously not possible without access to power demand...

Researchers Find Possible New Route to Making Cancer Cells Vulnerable

...ells." The researchers tested their ideas using common baker's yeast as a modelorganism, because basically the same multidrug resistance pump (MDR) isfound in yeast, animals and people, Heitman said. The MDR pump is a large protein that acts like a pore in the cell surface.It selectively...

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(Date:4/17/2014)... status as the leading weapon against the deadly disease ... new research indicating it simply needs to be administered ... the cheap anti-malarial drug chloroquine in treating and preventing ... than half a million people each year around the ... resistance to chloroquine, but research carried out at the ...
(Date:4/16/2014)... Calif. Consider the marvel of the embryo. It begins ... function as they multiply to become the cells of our ... the body. , Now, in a feat of reverse tissue ... genetic coding that allows embryonic cells to proliferate and transform ...
(Date:4/16/2014)... HAMPTON, NJ (April 16, 2014): Celldex Therapeutics, Inc. ... Phase 1 study of CDX-1401 in solid tumors, including ... Translational Medicine (Vol 6 Issue 232). The data ... of clinical benefit in patients with very advanced cancers ...
(Date:4/16/2014)... Ill. April 16, 2014 According to a ... in average-risk patients with one to two small polyps ... of cases. This may be an appropriate target for ... study to quantify adherence to guidelines for timing of ...
(Date:4/15/2014)... the United States have nearly doubled since 1988, suggests new ... with obesity apparently to blame for the surge. The researchers ... hit all groups equally, with alarming increases in diabetes in ... reported in the April 15, 2014 issue of the ...
Breaking Medicine News(10 mins):Health News:Scientists find new way to fight malaria drug resistance 2Health News:Stanford scientists develop 'playbook' for reverse engineering tissue 2Health News:Stanford scientists develop 'playbook' for reverse engineering tissue 3Health News:Celldex's Phase 1 study of CDX-1401 published in Science Translational Medicine 2Health News:Celldex's Phase 1 study of CDX-1401 published in Science Translational Medicine 3Health News:Celldex's Phase 1 study of CDX-1401 published in Science Translational Medicine 4Health News:Surveillance colonoscopy recommendations for average-risk patients with 1 to 2 small polyps consistent with guidelines 2Health News:Surveillance colonoscopy recommendations for average-risk patients with 1 to 2 small polyps consistent with guidelines 3Health News:Pre-diabetes and diabetes nearly double over the past 2 decades 2
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