Table 1.
SAM surface | t1–t2 slope | t1–t5 slope |
---|---|---|
–N(CH3)3+ | 592 (r = 0.99092) | 430 (r = 0.99272) |
–CH3 | 300 (r = 0.99678) | 177 (r = 0.97288) |
–COO− | 226 (r = 0.99383) | 126 (r = 0.99526) |
–OH | 94 (r = 0.9867) | 45 (r = 0.98212) |
–OEG | 59 (r = 0.91263) | 40 (r = 0.97653) |