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. Author manuscript; available in PMC: 2009 Nov 1.

Published in final edited form as: Small. 2008 Nov;4(11):2043–2050. doi: 10.1002/smll.200701275

(a) pH-dependent critical micelle concentration (CMC) of the micelles constructed of poly(His-co-Phe)-b-PEG: PHSM(10)(◆), PHSM(16) (▲), PHSM(22) (■), and PHSM(26) (•); (b) pH-dependent particle size: PHSM(10) (black column), PHSM(16) (dark gray), PHSM(22) (pale gray), PHSM(27) (white) and (c) transmittance changes with pHs: PHSM(10) (◇), PHSM(16) (▲), PHSM(22) (□), and PHSM(27) (•).

(a) pH-dependent critical micelle concentration (CMC) of the micelles constructed of poly(His-co-Phe)-b-PEG: PHSM(10)(◆), PHSM(16) (▲), PHSM(22) (■), and PHSM(26) (•); (b) pH-dependent particle size: PHSM(10) (black column), PHSM(16) (dark gray), PHSM(22) (pale gray), PHSM(27) (white) and (c) transmittance changes with pHs: PHSM(10) (◇), PHSM(16) (▲), PHSM(22) (□), and PHSM(27) (•).