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Tag: "detection" at biology news

Blue eyes -- A clue to paternity

...re could be an unconscious male adaptation for the detection of paternity, based on eye color. The laws of genetics state that eye color is inherited as follows: If both parents have blue eyes, the children will have blue eyes. If both parents have brown eyes, a quarter of the children will have blue e...

New technology used to construct the first map of structural variation in the human genome

...oximately 1,000 CNVs, many of which were below the detection size limit of alternative methodologies. Furthermore, the algorithm more accurately estimated CNV boundaries, thereby permitting a detailed comparison with other genomic features. "This new approach will be useful in understanding the role of CNV...

Plague proteome reveals proteins linked to infection

...ssociated with disease progression show promise as detection tools in public health and biodefense and can guide drug and vaccine designers in their quest to disrupt the microbe’s ability to infect. Y. pestis is the bacterium that caused the infamous Black Death plagues. Fleas are vectors for the disease a...

Study finds the air rich with bacteria

...t Hawaii. This natural background can confound the detection of a terrorist attack and trigger false alarms. The trick is to determine whether the amount of F. tularensis detected in an air sample is in synch with normal levels, or if it's suspicious. "Almost all of the bacterial bioterror pathogens are in...

More kidney cancer is detected and treated early, yet death rate rises

... shows that this increase is driven largely by the detection of small, presumably curable, kidney masses. But e...led to fewer people dying. "With increased early detection and treatment of small tumors, we would expect to see a decrease in mortality associated with kidney...

To elude bats, a moth keeps its hearing in tune

... as the moth cleverly tunes its ear to enhance its detection of bats, do some bats in turn modify their calls to avoid detection by moths" The authors point out that, in view of the vast diversity of bat calls, this is to be expe...

Cardiologist's 'living chip' changes science of disease monitoring

...hin and around blood vessels and nerves to provide detection and stimulation of the surrounding tissues or organ systems, with the ability to detect changes. A change triggers a message to a wireless device to alert the patient early on about a problem. The patient can then contact their physician. For a pat...

World-wide warning of highly drug-resistant tuberculosis

...roved means of diagnosis of tuberculosis and early detection of drug resistance are urgently required, they add. Among 536 cases of tuberculosis confirmed at a rural hospital in South Africa earlier this year, 41% were multi-drug resistant and of those, 24% met the exact definition of being extensively dru...

HIV exploits competition among T-cells

...unt of virus mutates fast enough to escape initial detection and continues to mutate over time. The third phase, AIDS, occurs when the virus has changed so much that the body's T cells are no longer effective at keeping it in check. Deem and Wang's computer model accurately describes all three phases of HIV ...

Nano-devices hold promise for early-stage cancer detection

..., wireless communications, and laser and radiation detection systems. Research currently underway includes: ...iature (pill-sized) device that will provide early detection of abnormal cells inside the body; an imaging and communication system for non-invasive screening...

Quantum dots reviewed -- Could these nanoparticles hold the cure to cancer?

...m suitable for breakthrough treatments such as the detection and destruction of cancer cells. Just released o... Online. With a focus on the use of QDs in cancer detection and treatment, the review includes a detailed examination of Quantum Dot advantages, their synthes...

Brain regions do not communicate efficiently in adults with autism

...can be used on young children to help in the early detection of autism, which is critical in providing interventions for the disorder. Other members of the research team are from the UW's Autism Center and include Geraldine Dawson, center director and a professor of psychology; Sara Webb, assistant professor ...

Resistance and genetic sensitivity to sleeping sickness

...cle is also more rapid and, consequently, clinical detection can be made earlier. However, it is increasingly recognized that the existence of these two forms, the chronic one due to T. b. gambiense and the acute one provoked by T. b. rhodesiense, only partly reflect the real mechanisms at work. Concerning ...

Spelling out cancer on the nanoscale

..." says Felsher. "It may prove useful for the early detection of cancer, and for monitoring patients?responses during their treatment, allowing clinicians to tailor treatments to individual patients. Finally, we provide a high throughput method to identify if new cancer drugs are effective at targeting specific...

Detecting microalgae in coastal waters

...en awarded $270,274 to develop a tool for improved detection of microalgae by the Cooperative Institute for Coastal and Estuarine Environmental Technology (CICEET). Microalgae are the foundation of the aquatic food web. However, 'blooms', which are very dense populations, lead to low oxygen "dead zones," fi...

MIT's molecular sieve advances protein research

...g of proteins, work that may ultimately aid in the detection and treatment of disease. Separating proteins from complex biological fluids such as blood is becoming increasingly important for understanding diseases and developing new treatments. The molecular sieve developed by MIT engineers is more precise th...

Does missing gene point to nocturnal existence for early mammals?

...lay similar or different roles in non-visual light detection and so provide clues as to the implications of only having one melanopsin gene. "The two genes and their associated proteins have been maintained in vertebrates for hundreds of millions of years, only for one of them to be lost in mammals. "We ...

Motorola researchers develop selective sensors based on carbon nanotubes

...s into devices and sensor networks will enable the detection of biological and chemical agents at very low conc... "Tuning the chemical selectivity of SWNT-FETs for detection of heavy metal ions," which will be published in the journal Small. An early view of the article is ...

Faster, more accurate tuberculosis test developed

..., when compared to each other. The median time for detection of TB was 7 days for MODS culture, 13 days for aut...rug-susceptibility testing at the same time as the detection of bacterial growth. Over 5,000 people die of TB every day worldwide and the poor are disproportio...

An advanced genetic diagnostic method for multiple myeloma

...), a type of bone marrow cancer, which permits the detection of this disease in earlier stages. The dissertati...pment of cytogenetic diagnostic strategies for the detection of alterations with prognostic value. For this purpose, he has analyzed, by means of statistical me...

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