Tag: "detecting" at biology news

Wisconsin scientists develop quick botox test

...he presence of the toxin. The tests are capable of detecting all seven variants of the poison. Currently, the most sensitive and common test for toxin activity is exposing mice to an agent. The process takes time and many animals are used and die in the process. The Wisconsin Alumni Research Foundation has pa...

Scientists find nanowires capable of detecting individual viruses

...s, which could be fashioned into arrays capable of detecting literally thousands of different viruses, could usher in a new era for diagnostics, biosafety, and response to viral outbreaks." Lieber and his colleagues merged nanowires conducting a small current with antibody receptors for certain key domains of ...

Researchers identify distinctive signature for metastatic prostate cancer

...could use Hedgehog activation perhaps measured by detecting some marker in the blood to distinguish indolent from metastatic disease, they could know to treat the metastatic form and not the indolent form," he said. "If the indolent form, for example, were detected in older men, it might not be as necessary ...

Protein involved in childhood disorder linked to cancer

...s DNA damage, cells must have a mechanism for both detecting damage and for stopping their machinery until the damage is fixed. This feedback mechanism relies on cycle "checkpoint" controls that delay the cell division cycle so that these repair systems have time to work. "Regulation of these protective proc...

Sensors at Watts Bar being evaluated by ORNL

...sors and related technologies for effectiveness in detecting radiological materials. With more than 4,000 vessels passing through the Watts Bar dam lock each year, the opportunities for testing the system are significant, as are the potential benefits. "Working together with our federal, state and local partne...

Genetic clues found for common congenital brain disorder

...test could improve prenatal diagnosis. Currently, detecting Dandy-Walker with ultrasound images is difficult and often uncertain until late in a pregnancy, usually after 20 weeks. Most parents, fearing mental retardation, choose to terminate the pregnancy if the disorder is diagnosed soon enough. A reliable...

Rare mutations can significantly increase risk factor for heart disease

...wever, the researchers increased the likelihood of detecting gene mutations that significantly influenced the final trait by focusing on individuals at the extreme ends of the spectrum of HDL levels. Using 128 subjects from the Dallas Heart Study, they compared the genes of those with HDL levels in the lowest ...

Got the time?

...fic, sensitive and accurate method capable of both detecting individual body time and of diagnosing circadian disorders represents a major step toward the fulfillment of the longstanding dream of scientists and physicians: to put a readable face on the body's clock. Its application in medical treatment may one...

Small animal imaging gives cancer clues

...itron emission tomography (PET) is widely used for detecting andfollowing cancer in human patients. It works by following short-livedradioactive tracers that are taken up by fast-growing cancer cells. PET scanners used for humans don't have the resolution to image ananimal as small as a mouse. Researchers led...

Revealing bizarre deep-sea secrets

...s light of, or glows, another color. In the ocean, detecting fluorescence can allow scientists to spot animals that would otherwise be too effectively camouflaged to see. Fluorescence is also important because the proteins that allow animals to fluoresce are used in genetic research and new fluorescent animals...

Fundamental change to Immunology 101

...y squeezes cells one-by-one past a bank of lasers, detecting which cells fluoresce in a certain way based on a prescribed molecular tag. The suspected early progenitors (HSCs, MPPs, and CLPs) had known differences in cytokine receptors, so the team used these as molecular tags to characterize the different cel...

Related productivity tools complement computed tomography in lung cancer detection

...can lead to information overload and difficulty in detecting lesions. Under these circumstances, related productivity tools such as computer-aided detection (CAD) can help physicians locate and analyze images. CAD procedures benefits greatly from contrast agents, which have always played a critical role in sup...

OHSU researchers discover possible method for early detection, prevention of premature birth

... & Science University have discovered a method for detecting intra-amniotic infections in pregnant women using ...ith birth defects. By finding a method for quickly detecting one of the major cases of preterm labor and then treating it, we believe this finding could have a v...

Briggs takes to the molecular level Darwin's findings on plants sensing the direction of light

...anifestation of a sensitive system plants have for detecting light. This light sensing system guides seedlings through the soil and has profound influences on their development during the critical stage of seedling establishment and later as the leaves adapt to changes in the light environment. Briggs's resear...

What are babies thinking before they start talking?

...en tight or loose fit, illustrating that they were detecting the Korean concept. Hespos and Spelke also conducted the experiment with adults to confirm that English-speaking adults do not spontaneously make the tight versus loose fit distinction. "Adults ignore tight fit versus loose fit and pay attention to ...

New discovery could provide tool to detect whether a cancer will develop and spread

... disease. A new study opens up the possibility of detecting whether a tumor will spread long before a patient ever reaches that dangerous phase. Scientists at the Pacific Northwest Research Institute in Seattle have found evidence for a DNA structure characteristic of metastasis in normal tissues from prostat...

When male fish hum, females swim in, thanks to hormones, adaptable hearing

...s in the females' inner ear so they are capable of detecting higher frequencies in the males' multi-harmonic humming. This process couples the transmission of sound by the males and reception by the females. "We suspected that enhancing the sensitivity of the females' ear to the upper harmonics of the males'...

Human periodontal ligament stem cells isolated for the first time

...he study, the group confirmed their observation by detecting two proteins (STRO-1 and CD146/MUC18) that are known to reside on the surface of mesenchymal stem cells, the general type of postnatal stem cell from which those in the periodontal ligament would be developmentally derived. Seo said they also dete...

Wistar-discovered antibody will help diagnose appendicitis

...t approved by the Food and Drug Administration for detecting certain difficult-to-diagnose cases of appendicitis quickly and accurately, is based on a monoclonal antibody called SSEA1 discovered at The Wistar Institute. Developed further by Palatin Technologies Inc., located in Cranbury, NJ, with assistance fr...

Measuring artificial viruses to improve disease detection

...ch laboratories to help check analysis methods for detecting specific types of RNA, but the product has not been approved for clinical use. What's needed according to NIST researcher Susan Krueger is a standard, reliable way to measure the concentration of artificial RNA in solution. By knowing exactly how muc...

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