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. Author manuscript; available in PMC: 2024 Dec 20.
Published in final edited form as: Lab Chip. 2023 Dec 20;24(1):47–55. doi: 10.1039/d3lc00780d

Figure 3.

Figure 3.

Validation of PDMS surface treatment process. (a) Emission spectra of QDs excited at 450 nm (red) and absorption spectra of quencher probes (blue). (b) Emission spectra of the mixture (red) of aminopropyltrimethoxysilane (APTMS) and glutaraldehyde (GA), APTMS (blue), and glutaraldehyde (green). (c) Normalized fluorescence signals of QDs-coated micropillars pre- and post-conjugation with quencher probes. (Top) Micropillars treated with APTMS, QDs, and quencher probes. (Bottom) Micropillars treated with APTMS, GA, QDs, and quencher probes. Statistical analysis was performed using unpaired t-test analysis (ns = p > 0.05; * = 0.01 < P≤0.05; ** = 0.05 < P≤0.05; *** = 0.01 < P≤0.001; **** = P ≤ 0.0001).