| http://www.w3.org/ns/prov#value | - A colour change was observed upon copper-induced aggregation of Hcy-DTT-AgNPs through binding of copper to the carboxyl and amino functional groups on Hcy and DTT. Here the limit of detection by the naked eye is 7.8 nM.Although the above analytical techniques do not require additional instrumentation, they are not as accurate compared to techniques such as UV-visible spectroscopy and atomic absorp
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