Additional file 1: Figure S1. Raman spectrum of CVD grown single-layer graphene. Figure S2. Averaged response from measurement replicates of a single gMTA chip. Figure S3. XPS peak fitting for PBASE and PBASE + aptamer samples. Figure S4. Blank samples measurements in PBS. Figure S5. Stability of gMTA measurements. Figure S6. Dopamine attomolar detection with short incubation time.

Additional file 1: Figure S1A. Comparison of the absorbance and emission spectra of the different LysoTracker probes. Figure S1B. Comparison of the emission spectra of the different (nano)particles. Figure S1C. Comparison of the absorbance spectra of the different (nano)particles. Figure S2. Confocal microscopy images of different LysoTracker probes. Figure S3. Transmission electron micrographs (TEM) of the different silica (nano)particles. Figure S4A. Size distributions of 59 nm SiO2-BDP FL NP and 59 nm SiO2-RhoB NP measured...

Additional file 1: Figure S1A. Comparison of the absorbance and emission spectra of the different LysoTracker probes. Figure S1B. Comparison of the emission spectra of the different (nano)particles. Figure S1C. Comparison of the absorbance spectra of the different (nano)particles. Figure S2. Confocal microscopy images of different LysoTracker probes. Figure S3. Transmission electron micrographs (TEM) of the different silica (nano)particles. Figure S4A. Size distributions of 59 nm SiO2-BDP FL NP and 59 nm SiO2-RhoB NP measured...

Additional file 1: Figure S1. Raman spectrum of CVD grown single-layer graphene. Figure S2. Averaged response from measurement replicates of a single gMTA chip. Figure S3. XPS peak fitting for PBASE and PBASE + aptamer samples. Figure S4. Blank samples measurements in PBS. Figure S5. Stability of gMTA measurements. Figure S6. Dopamine attomolar detection with short incubation time.