PMID- 17291053
OWN - NLM
STAT- MEDLINE
DCOM- 20070329
LR  - 20070212
IS  - 1525-7797 (Print)
IS  - 1525-7797 (Linking)
VI  - 8
IP  - 2
DP  - 2007 Feb
TI  - Covalent functionalization of multiwalled carbon nanotubes with a low molecular 
      weight chitosan.
PG  - 322-6
AB  - Covalent functionalization of shortened multiwalled carbon nanotubes (MWNTs) with 
      a natural low molecular weight chitosan (LMCS) was accomplished by a nucleophilic 
      substitution reaction. Amino and primary hydroxyl groups of the LMCS contributed 
      mainly to the formation of MWNT-LMCS conjugates. The LMCS content in the 
      MWNT-LMCS is approximately 58 wt %, and approximately four molecular chains of 
      the LMCS are attached to 1000 carbon atoms of the nanotube sidewalls. Most 
      interestingly, the amorphous packing structure of the LMCS changed dramatically 
      when it attached to the MWNTs. The MWNTs might induce the crystalline character 
      of the LMCS. As a novel derivative of MWNTs, the MWNT-LMCS is soluble in 
      dimethylformamide, dimethyl acetamide, dimethylsulfoxide, and acetic acid aqueous 
      solution. The confirmation of the chitosan-based covalent functionalization route 
      might lead to further studies aiming for potential applications in catalysis and 
      environmental protection.
FAU - Ke, Gang
AU  - Ke G
AD  - Department of Chemistry, Huazhong University of Science and Technology, Wuhan 
      430074, China.
FAU - Guan, Wenchao
AU  - Guan W
FAU - Tang, Changyu
AU  - Tang C
FAU - Guan, Wenjie
AU  - Guan W
FAU - Zeng, Danlin
AU  - Zeng D
FAU - Deng, Feng
AU  - Deng F
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PL  - United States
TA  - Biomacromolecules
JT  - Biomacromolecules
JID - 100892849
RN  - 0 (Nanotubes, Carbon)
RN  - 0 (Solvents)
RN  - 9012-76-4 (Chitosan)
SB  - IM
MH  - Chitosan/*chemistry
MH  - Molecular Weight
MH  - Nanotubes, Carbon/*chemistry
MH  - Solubility
MH  - Solvents
EDAT- 2007/02/13 09:00
MHDA- 2007/03/30 09:00
CRDT- 2007/02/13 09:00
PHST- 2007/02/13 09:00 [pubmed]
PHST- 2007/03/30 09:00 [medline]
PHST- 2007/02/13 09:00 [entrez]
AID - 10.1021/bm0604146 [doi]
PST - ppublish
SO  - Biomacromolecules. 2007 Feb;8(2):322-6. doi: 10.1021/bm0604146.