Tag: "effectiveness" at biology news

Tipsheet: April journals of the American Society for Microbiology

...ave developed a strategy for bolstering the waning effectiveness of the current tuberculosis vaccine in adults. Th...rs. "The mechanism underlying the gradual loss of effectiveness of BCG as the individual reaches 10 to 15 years of age is poorly understood." The researchers be...

Operation of self-aiming camera modeled on how part of brain works

...ch as visual and auditory cues. To demonstrate the effectiveness of their neural network, Ray and his colleagues molecular and integrative physiology professor Thomas Anastasio, postdoctoral research associate Paul Patton, and graduate research assistants Samarth Swarup and Alejandro Sarmiento constructed a came...

Pooling worldwide data about childhood tumors helps researchers gauge aggressiveness of treatment

...data from more than one center and to evaluate the effectiveness of different treatments. What is unique about the consensus we have reached for neuroblastoma is that it goes beyond conventional clinical staging to incorporate molecular characteristics of the cancers, yielding more accurate risk groupings and guid...

Scientific explanation for success of klapskate

... the hinge would therefore seem to be vital to the effectiveness of the klapskate. Both experimental research on the ice rink and computer simulations have shown that there is indeed a small area under the ball of the foot where the hinge has to be located in order to achieve the optimum result. The actual positio...

Lobsters play biological violins

...hes on Patek's arms bear witness to the antennae's effectiveness as defensive tools. During the molting period, however, the spiny lobsters' antennae and shell are too soft to protect them against predators. Instead, the lobsters must rely on scare tactics sound to drive predators like sharks, grouper, and...

Proteins in African HIV strains interact differently with drugs

...erties, and therefore cannot be used to assess the effectiveness of inhibitor drugs in patient treatments. Instead, Freire suggested that the results add new support to the argument that scientists need to broaden the focus of HIV drug development, which has been almost exclusively centered on HIV-B. "More than t...

Penn researchers find proteins more dynamic than previously known

...ies that may eventually enable them to enhance the effectiveness of drugs by targeting more accessible protein sites, Wand said....

Women's health on wheels

...her underserved groups of women. Once we prove the effectiveness of this approach to providing mammography services, we envision developing similar mobile units to reach women in other remote areas as well as women in urban settings who have limited access to breast cancer screening. "The key to success is the imm...

Vitamin C produces gene-damaging compounds, test-tube study in Science reports

...lp explain why vitamin C has thus far shown little effectiveness at preventing cancer in clinical trials, according...eating and preventing cancer. But the supplements' effectiveness has been hotly debated, with critics saying they either have no effect or that they may be harmful. ...

Biotechnology promises major advances for U.S. Army

...hnologies aimed at improving the survivability and effectiveness of U.S. soldiers. The report specifically does not...enetic characteristics of soldiers to increase the effectiveness of vaccines.The report notes that Army-sponsored research benefits society as a whole and has histor...

'Why isn't the neural tube defects rate lower?,' asks March of Dimes

... issue of Circulation, is the first to compare the effectiveness of oral and transdermal replacement therapies on s...ortion of the study, the researchers evaluated the effectiveness of intravenous estrogen on blood pressure and sympathetic nerve discharge and found no effect. When ...

Never-before-seen look deep inside cancerous tumors

...s, where they can monitor gene expression, therapy effectiveness and tumor cells interactions with normal cells. The work published in this weeks Nature Medicine demonstrates that the technique could be adapted to measure a wide range of physiological parameters. Since the researchers use a living mouse model, ...

Benefits from Alzheimer's plaque-producing reaction? Science study proposes role in gene expression

...out to be true, it would raise questions about the effectiveness of fighting Alzheimer's by preventing the splitting of APP. "Indeed, if transcriptional regulation initiated by gamma-cleavage is an important function, which we have every reason to believe, gamma-secretase inhibitors may have as yet unexpected si...

New spinoff company uses novel method to target drugs

... with existing drugs, which markedly increases the effectiveness of those drugs against cancer and viruses, including hepatitis and HIV/AIDS. The combinations often mean that chemotherapy can be given orally rather than intravenously. Kucera, professor of microbiology and immunology, already holds five U.S. pa...

New mutant mouse repositories established for biomedical researcher community

...," says NCRR Director Dr. Judith Vaitukaitis, "the effectiveness of that resource is maximized relative to its monetary cost and scientific impact." She adds, "Shared resources allow scientists to integrate diverse research expertise, rapidly and effectively study emerging health problems, address complex research...

New system developed for removing contaminants from storm run-off

...contaminants before they reach local waters, their effectiveness varies. Thomas Boving, assistant professor of geo... and graduate student Wei Zhang are evaluating the effectiveness of the storm water detention ponds at the Gano Street ramp to I-195 in Providence, built in 1999 as ...

Intercure Scientific Advisory Board convenes to review companys resperate medical device for hypertension

...is is further strengthening evidence of RESPeRATEs effectiveness as another non-drug option to lower high blood pressure." RESPeRATE ( http://www.resperate.com ) received market clearance from the US Food and Drug Administration (FDA) for the adjunctive treatment of hypertension. RESPeRATE is the first non-invasiv...

UCSD biologists identify genetic mechanism conferring resistance to 'Bt toxins'

...xpands worldwide, scientists fear their long-term effectiveness will be threatened by the development of Bt-resistant strains.The achievement by the UCSD biologists, reported in the August 3 issue of Science, provides important molecular and genetic information that will help scientists develop strategies to d...

PNNL captures picture of fish passage with acoustic camera

...est version and funded PNNL to assess the system's effectiveness in evaluating fish bypass measures. PNNL and the C... continue to conduct tests to further evaluate its effectiveness in studying fish behavior." Other techniques have greater limitations than the acoustic camera. Trad...

Russian, PNNL scientists advance US seed production, oil remediation

...elby and Roundup, Mont., this month to measure the effectiveness of five oil-eating microbes at varying combinations and concentrations in soil contaminated with oil. After the tests, Dye Seed can decide if it will pursue similar tests on agro-chemicals. "We're addressing two issues with one new relationship-the n...

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