Table 1

Mw, Rh, Rg (Equation 2), and 〈h21/2 (Equation 3) values of PEG samples used in this study
Samples Mw (Da)a Rh (nm)b Rg (nm)c h21/2 (nm)d
APEG 400 378 ± 30 0.568 ± 0.027 0.668 ± 0.032 1.636 ± 0.078
APEG 600 521 ± 51 0.672 ± 0.054 0.791 ± 0.064 1.938 ± 0.156
APEG 1,000 997 ± 77 0.944 ± 0.025 1.111 ± 0.029 2.721 ± 0.072
APEG 2,000 1,887 ± 20 1.602 ± 0.284 1.885 ± 0.334 4.617 ± 0.818
APEG 4,000 3,981 ± 82 1.784 ± 0.165 2.099 ± 0.194 5.141 ± 0.475
APEG 6,000 6,185 ± 165 2.343 ± 0.111 2.756 ± 0.131 6.751 ± 0.320
APEG 8,000 8,232 ± 162 2.749 ± 0.101 3.234 ± 0.119 7.922 ± 0.291
APEG 10,000 10,535 ± 907 3.306 ± 0.063 3.889 ± 0.074 9.526 ± 0.182
APEG 12,000 13,646 ± 1359 3.522 ± 0.061 4.144 ± 0.072 10.151 ± 0.176
APEG 20,000 19,118 ± 631 4.415 ± 0.015 5.194 ± 0.018 12.723 ± 0.043
SPEG 1,450 1,348 ± 64 1.203 ± 0.097 1.415 ± 0.114 3.466 ± 0.280
SPEG 4,600 4,384 ± 436 2.095 ± 0.045 2.465 ± 0.053 6.038 ± 0.130
SPEG 8,000 8,350 ± 301 2.572 ± 0.299 3.026 ± 0.352 7.412 ± 0.862
SPEG 10,000 10,641 ± 219 3.474 ± 0.214 4.087 ± 0.252 10.011 ± 0.617

aMw was determined by MALLS. bRh was determined by DLS. cRg was calculated using Equation 2. dh21/2 was calculated using Equation 3.

Ling et al.

Ling et al. Nanoscale Research Letters 2013 8:538   doi:10.1186/1556-276X-8-538

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