Table 1. Polymer statistics of filaments adsorbed to different supportsa.
interaction | surface | s/LP b | <s> [nm] | LP(cos(Θ)) [nm] | <Θ4>/<Θ2>2 | LP(Θ2) [nm] | LP(R2) [nm] | counts |
Weak | glass | 2–4 | 2620 | 990 | 2.9–3.1 | 980 | 1110 | 173 |
weak | glass | 3–6 | 3630 | 1090 | 2.8–3.4 | 1100 | 1050 | 56 |
strong | mica | 0.6–1.5 | 1020 | 336 | 2.5–2.7 | 350 | 445 | 55 |
strong | mica | 2–4 | 2670 | 310 | 2.7–3.5 | 290 | 370 | 57 |
strong | mica | 3–6 | 4050 | 330 | 3.2–4.3 | 180 | 320 | 57 |
For each support, we have computed the apparent persistence lengths from equations 4 to 8. The mean errors were less than 5% for all calculated persistence lengths.
Range of the selected length s of the filaments divided by the persistence length LP (Assumption: full equilibrated).