This optimum pH of the PEI-f-AuNP@Van probe is likely related to the conformation of PEI and the pKa of the tertiary amine ( 2+ must be optimally coordinated with nitrogen atoms in PEI in its N-tetrahedral form, giving rise to highest sensitivity and selectivity for the probe ( FIGURE 7 3.7 Real sample analysis Pond water was used to evaluate the performance of PEI-f-Au-NP@Van for detecting Hg 2+
No Myths
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Is there an abundance of research backing up those claims
