HOT Article: are there toxic metals in your morning cup of tea?

Using gallic acid-modified gold nanoassemblies to detect lead in tea By Pui Sai Lau, Web Writer

Careful detection of toxic metals such as Pb2+ is critical to ensure environmental and food safety. Yuping Wang and colleagues from Nanjing Normal University, China have developed a method to grow and assemble gold nanoparticles using gallic acid. The resulting nanoassembly can effectively detect Pb2+ – even in tea! Check out their discovery by accessing the link below.

Using gallic acid-modified gold nanoassemblies to detect the Pb2+ of tea
Caiyun Jiang, Meihua Ma and Yuping Wang
Anal. Methods, 2012, Advance Article
DOI: 10.1039/C2AY25648G

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