Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide into the atmosphere, ...

Breathalyzer test detects lung cancer: study

Scientists in Israel have devised a portable breath tester that detects lung cancer with 86 percent accuracy, according to a study released Sunday.

New device could make diagnosing disease as simple as breathing

(Phys.org) —A range of diseases and conditions, from asthma to liver disease, could be diagnosed and monitored quickly and painlessly just by breathing, using gas sensing technology developed by a Cambridge spin-out.

Microchip can detect type and severity of cancer

(PhysOrg.com) -- University of Toronto researchers have used nanomaterials to develop a microchip sensitive enough to quickly determine the type and severity of a patient's cancer so that the disease can be detected earlier ...

New nanoparticles help detect deep-tissue cancers

Researchers have developed a new form of nanoparticle and associated imaging technique that can detect multiple disease biomarkers, including those for breast cancer, found in deep-tissue in the body.

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