Table 1 Representative polymerization data for tunable glycobrushes.

From: Tunable, biodegradable grafting-from glycopolypeptide bottlebrush polymers

 

Backbone

Brush

Cleaved branches

Entry

Name

[M] : [I]a

Mnb

Mnb

Ðb

[M] : [I]c

Mnb

Ðb

1

PAMK63-g-PGalNAcS33

20

21.6k

434k

1.43

20

13.7k

1.28

2

PAMK63-g-PLacS43

20

21.6k

565k

1.40

20

30.0k

1.02

3

PAMK63-g-PGlcK17

20

21.6k

557kd

ND

10

8.5k

1.08

4

PAMK63-g-PGlcK23

20

21.6k

750kd

ND

20

11.4k

1.18

5

PAMK63-g-PGlcK117

20

21.6k

3686kd

ND

100

58.5k

1.03

6

PAMK63-g-(PGlcK0.5-s-PBnE0.5)24

20

21.6k

566kd

ND

10

8.6k

1.05

7

PAMK63-g-(PGlcK0.5-s-PBnE0.5)38

20

21.6k

884kd

ND

20

13.7k

1.15

8

PAMK63-g-(PGlcK0.5-s-PBnE0.5)54

20

21.6k

1246kd

ND

50

19.4k

1.28

9

PAMK63-g-(PGlcK0.5-s-BnE0.5)82

20

21.6k

1881kd

ND

100

29.5k

1.22

10

(PAMK0.25-s-PZK0.75)75-g-PGlcK68

20

21.2k

661kd

ND

100

34.2k

1.19

11

(PAMK0.5-s-PEG2K0.5)150-g-PGlcK35

50

47.3ke

1729kd,e

ND

100

22.5k

1.04

12

(PAMK0.5-s-PEG2K0.5)300-g-PGlcK45

100

94.6ke

3007kd,e

ND

100

19.5k

1.09

  1. aMolar ratio of backbone NCA monomer to (PMe3)4Co initiator.
  2. bObserved Mn and Ð after polymerization as determined by GPC/LS and 1H NMR.
  3. cMolar ratio of branch NCA monomers to macroinitiator active sites.
  4. dCalculation of Mn from separate GPC/LS analysis of branch and backbone polymers.
  5. eTheoretical Mn.