Nanoscale layers in polymers to promote ion transport

2019 ◽  
Vol 4 (2) ◽  
pp. 252-262 ◽  
Author(s):  
Edward B. Trigg ◽  
Karen I. Winey

Precisely periodic functional groups induce controlled hairpin folding in some polymers, forming ordered sub-nanometer layers that promote ion transport.

2017 ◽  
Vol 7 (21) ◽  
pp. 1701235 ◽  
Author(s):  
Yao Liu ◽  
Lawrence A. Renna ◽  
Hilary B. Thompson ◽  
Zachariah A. Page ◽  
Todd Emrick ◽  
...  

2002 ◽  
Vol 35 (8) ◽  
pp. 3164-3170 ◽  
Author(s):  
Jinhua Dai ◽  
Anagi M. Balachandra ◽  
Jong Il Lee ◽  
Merlin L. Bruening

2001 ◽  
Vol 120 (5) ◽  
pp. A532-A532
Author(s):  
R LARSEN ◽  
M HANSEN ◽  
N BINSLEV ◽  
A MERTZNIELSEN
Keyword(s):  

1971 ◽  
Author(s):  
Warren G. Bennis ◽  
Michael Beer ◽  
Gerald R. Pieters ◽  
Alan T. Hundert ◽  
Samuel H. Marcus ◽  
...  

Author(s):  
Tatsuhiko Sato ◽  
Koji Niita ◽  
Norihiro Matsuda ◽  
Shintaro Hashimoto ◽  
Yosuke Iwamoto ◽  
...  

Pneumologie ◽  
2016 ◽  
Vol 70 (07) ◽  
Author(s):  
JJ Salomon ◽  
T Albrecht ◽  
H Scheuermann ◽  
I Baumann ◽  
MA Mall

2016 ◽  
Vol 19 (2) ◽  
pp. 93-100
Author(s):  
Lalita El Milla

Scaffolds is three dimensional structure that serves as a framework for bone growth. Natural materials are often used in synthesis of bone tissue engineering scaffolds with respect to compliance with the content of the human body. Among the materials used to make scafffold was hydroxyapatite, alginate and chitosan. Hydroxyapatite powder obtained by mixing phosphoric acid and calcium hydroxide, alginate powders extracted from brown algae and chitosan powder acetylated from crab. The purpose of this study was to examine the functional groups of hydroxyapatite, alginate and chitosan. The method used in this study was laboratory experimental using Fourier Transform Infrared (FTIR) spectroscopy for hydroxyapatite, alginate and chitosan powders. The results indicated the presence of functional groups PO43-, O-H and CO32- in hydroxyapatite. In alginate there were O-H, C=O, COOH and C-O-C functional groups, whereas in chitosan there were O-H, N-H, C=O, C-N, and C-O-C. It was concluded that the third material containing functional groups as found in humans that correspond to the scaffolds material in bone tissue engineering.


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