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Journal for Biophysical Chemistry

Table 4 Elemental composition of RAFT-grafted electrospun fibers as determined by XPS analysis

From: Surface grafting of electrospun fibers using ATRP and RAFT for the control of biointerfacial interactions

Ā 

AAm

AAc:AAm

AAc:AAm

AAc:AAm

AAc:AAm

Ā 

(100%)

(1:9)

(1:9)

(1:9)

(1:9)

Ā Ā Ā 

NHS/EDC a

TFEA b

TFEA+NHS/EDC c

C 1s

69.7

77.2

81.9

73.3

71.0

O 1s

15.6

13.7

10.9

16.7

15.5

N 1s

14.7

9.2

7.1

10.0

10.9

F 1s

-

-

-

-

2.5

  1. a) NHS/EDC activated only; b) TFEA treated only; c) NHS/EDC activated and TFEA treated.