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  The best-known electronic nose is the breathalyser. As drivers breathe into the device, a chemical sensor measures the amount of alcohol in their breath. This chemical reaction is then converted into an electronic signal, allowing the police officer to read off the result. Alcohol is easy to detect, because the chemical reaction is specific and the concentration of the measure yeezy ciabatte d gas is fairly high. But many other gases are complex mixtures of molecules in very low concentrations. Buil yeezy chaussure ding electronic noses to detect them is thus quite a challenge.This is the most sensitive sensor ever created for p converse esticides and nerve gas.Researchers from KU Leuven have now built a very sensitive electronic nose with metal-organic frameworks (MOFs). 鈥淢OFs are like microscopic sponges,鈥?postdoctoral researcher Ivo Stassen explains. 鈥淭hey can absorb quite a lot of gas into their minuscule pores.鈥濃€淲e created a MOF that absorbs the phosphonates found in pesticides and nerve gases. This means you can use it to  SYDNEY:Weeks, who was based in the West Australian city of Perth, was one of 239 people on board the Boeing 777 Kuala Lumpur-Beijing flight when it disappeared on March 8, 2014.Next-of-kin had started to file lawsuits over the jet's disappearance as a two-year deadline approached last week, with some hopeful the court scrutiny could shed light on what happened to the ill-fated flight.New find of suspected MH370 debris to be sent to AustraliaUnder international agreements, families have up to two years to sue over air accidents.Weeks' wife, mother, brother and sister were separately suing the flag carrie nb 574 r in the Supreme Court of Western Australia, according to Perth's The Sunday Times, citing five writs lodged on March 4.They were seeking compensation for "per adidas campus homme sona adidas samba l injury, loss and damage" suffered as a result of "sudden shock" and "mental harm" after the disappearance, the Times said."The cause of the plaintiff's pain, injury, loss and damage was negligence of the defendant," the newsp