Cellulose and Chitin as Nanoscopic Biomaterials - The Nanoscience and Technology of Renewable Biomaterials - page 218

C-3

C-5

C-1

C-2

CH 3

C-4

C-6

C=O

PP II

190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20

13 C Chemical shift (ppm)

Figure8.10 13 CCPMASNMRspectrumof chitinnanocrystals. Reprintedwithpermission
from(23).Copyright(2007),AmericanChemicalSociety.

3000

110

020

Chitin NC

2500 013

120

130

2000 021

1500

Pure Chitin

1000

500

0

7 12 17

2 Theta (Degrees)

22 27

Figure 8.11 X-ray diffraction curves of chitin nanocrystals (top), and shrimp shell chitin
before hydrolysis (bottom). AssignedMiller indices for α -chitin are noted above the upper
curve.Reprintedwithpermissionfrom(23).Copyright(2007),AmericanChemicalSociety.