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Absorbance of linked Au∼250(p-MBA)n as a function of the PAGE running distance for different dithiols. Indices of the dithiols are given in the top-right corner of each panel. The solid blue lines are the integrated absorbances obtained with the scanning method along each column of the PAGE gel. The black crosses are the integrated absorbances obtained from the UV–vis spectrum and scaled for an optimal fit to the scanning method.
