Interaction of nanoparticles with biological systems ranging from biomolecules to biological cells is of importance for a range of applications, such as high-resolution biomedical imaging,1 gene sequencing for molecular diagnostics,2 and sensitive electronic devices.3 In this report, we demonstrate that positively charged cetyltrimethylammonium bromide (CTAB), which is a stabilizing agent used to synthesize different metal [...]













