Fingerprints tell all: Progress in fingerprint analysis

(PhysOrg.com) -- It has long been well established that fingerprints can be used to identify people or help convict them of crimes. Things have gone a lot further now: fingerprints can be used to show that a suspect is a ...

Polymer's hunt for nicotine

Newly synthesized polymer, fitted with molecular pincers of carefully tailored structure, effectively captures nicotine molecules and its analogues. The polymer can be used for fabrication of sensitive and selective chemical ...

The economics of smoking

(PhysOrg.com) -- Phil DeCicca studies the economics of one of the country's top killers - smoking. A health economist by trade, DeCicca researches the impact public policies have on the habits of smokers: Does the rate of ...

New test allows individualized profiles of cigarette smoking

A test for one of the thousands of chemicals in cigarette smoke has the potential for more accurately estimating smokers' mouth level exposure and may have applications for developing custom-tailored quitting approaches for ...

A compound in smokers' breath

If you smoke, your breath contains 2,5-dimethylfuran. A team of Catalan researchers have proved that the presence of this chemical compound indicates that a person has smoked in the last three days. This substance does not ...

Closer to an effective treatment for gum disease in smokers

Scientists in the USA have discovered why smokers may be more prone to chronic gum disease (periodontitis). One of the bacteria responsible for this infection responds to cigarette smoke - changing its properties and the ...