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An ultrasensitive surface‐enhanced Raman scattering (SERS) substrate with large area uniform subnanometer “hot spots” is used to detect mercuric ions in water and sandy soil, by Hongbing Deng, Fubing Wang, Xiangheng Xiao, and co‐workers in article number 1603347. The detection limit is as low as 8.3 × 10−9 m. The uniformity of the SERS substrate is proved by Raman mapping, and the physical mechanism...
Mercuric ion (Hg2+) is one of the most toxic and serious environment polluting heavy metal ions, which can be accumulated in human body through food chains and drinking water, and causes serious damage to human organs. Therefore, development of the efficient and sensitive method for detection of Hg2+ is very necessary. In this study, the high surface sensitivity and fingerprint information about the...
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