20-09-30 Sniffer dogs are a familiar sight at airports all over the world, where border agents use them to detect illegal substances and contraband. 嗅探犬在世界各地的机场都很常见，边境人员用它们来探测非法物品和违禁品。 Now some dogs are using their noses fo...

16-02-14 Researchers at Wake Forest Baptist Medical Center have developed a new technology to detect disease biomarkers in the form of nucleic acids, the building blocks of all living organisms. The proof-of-concept study is currently published online in the...

14-12-04 Scientists have developed a way to sniff out tiny amounts of toxic gases -- a whiff of nerve gas, for example, or a hint of a chemical spill -- from up to one kilometer away. The new technology can discriminate one type of gas from another with grea...

14-03-27 Northeastern University professor of pharmaceutical sciences, Tania Konry, has developed a single instrument that can conduct a wide range of biological scans in a fraction of the time and cost of industry standard equipment. That's because it uses...

12-05-23 A new study led by University of Kentucky researchers shows a new way to precisely detect a single chemical at extremely low concentrations and high contamination（污染） . The study, published online for ACS Nano, was carried out in the laboratory...