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Nanocrystalline cellulose mediated seed-growth for ultra-robust colorimetric detection of hydrogen sulfide.

Nanoscale; 9(28): 9811-9817, 2017 Jul 20.
Artigo em Inglês | MEDLINE | ID: mdl-28696439
We describe an ultra-stable, ultra-robust, straightforward and low-cost approach for the colorimetric detection of HS with nanocrystalline cellulose (NCC) based on the reaction of HS with lead acetate. The presence of NCC not only mediates the seed growth of a PbS/NCC complex, but also acts as a stabilizer protecting PbS from precipitation. This stable system is so robust that it can be used to quantitatively detect HS even after two-year storage.