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Polymers, Volume 10, Issue 4

April 2018 - 121 articles

Cover Story: Chitin deacetylases (CDAs) catalyze the hydrolysis of acetamido groups in GlcNAc residues of chitin, chitosan, and chitooligosaccharides (COS). The deacetylation specificity exhibited by CDAs is diverse, some enzymes being specific for single positions, others showing multiple attacks, processivity or random actions. The “subsite capping model” proposes that specificity is partly governed by a series of dynamic loops that shape the substrate binding cleft, which differ among CDAs on a highly conserved protein core. The structures, specificities, and biotech applications of bacterial and fungal CDAs are reviewed here. View the paper here.
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Articles (121)

  • Review
  • Open Access
527 Citations
25,835 Views
17 Pages

Biomedical Applications of Chitosan and Its Derivative Nanoparticles

  • Dongying Zhao,
  • Shuang Yu,
  • Beini Sun,
  • Shuang Gao,
  • Sihan Guo and
  • Kai Zhao

23 April 2018

Chitosan is a biodegradable natural polymer with many advantages such as nontoxicity, biocompatibility, and biodegradability. It can be applied in many fields, especially in medicine. As a delivery carrier, it has great potential and cannot be compar...

  • Article
  • Open Access
19 Citations
6,511 Views
13 Pages

Multienzyme Immobilized Polymeric Membrane Reactor for the Transformation of a Lignin Model Compound

  • Rupam Sarma,
  • Md. Saiful Islam,
  • Mark P. Running and
  • Dibakar Bhattacharyya

23 April 2018

We have developed an integrated, multienzyme functionalized membrane reactor for bioconversion of a lignin model compound involving enzymatic catalysis. The membrane bioreactors were fabricated through the layer-by-layer assembly approach to immobili...

  • Article
  • Open Access
55 Citations
8,419 Views
13 Pages

22 April 2018

The surface treatment of fabrics in an atmospheric environment may pave the way for commercially viable plasma modifications of fibrous matters. In this paper, we demonstrate a durably superhydrophobic cotton cellulose fabric prepared in a single-ste...

  • Article
  • Open Access
40 Citations
9,938 Views
18 Pages

22 April 2018

A new and eco-friendly mussel-inspired surface modification pathway for bamboo fiber (BF) is presented in this study. The self-assembly polydopamine (PDA) coating can firmly adhere on BF surface, which also serves as a bridge to graft octadecylamine...

  • Article
  • Open Access
16 Citations
9,684 Views
9 Pages

21 April 2018

Shape is an essential property of polymeric particles. Herein, we propose a simple method to synthesize polymeric particles with a well-controlled concave shape. Our method takes advantage of the powerful seeded emulsion polymerization strategy with...

  • Feature Paper
  • Article
  • Open Access
10 Citations
7,030 Views
12 Pages

21 April 2018

Silk-based materials are water-sensitive and show different physical properties at different humidities and under wet/dry conditions. To overcome the water sensitivity of silk-based materials, we developed a silk composite material with a fluoropolym...

  • Article
  • Open Access
26 Citations
10,816 Views
11 Pages

20 April 2018

In this study, epoxy molding compounds (EMCs) with aluminosilicate (AlS) and aluminum oxide (AlO) were fabricated as fillers by a twin-screw-extruder (TSE) and shaped to plate samples using injection molding. AlS and AlO, electrical insulating minera...

  • Article
  • Open Access
11 Citations
5,088 Views
13 Pages

19 April 2018

The main purpose of this work is to show the thermal dependence of the refractive and extinction indices of conjugated polymer films used in optoelectronics devices. Herein, we present the results of optical investigations performed for the following...

  • Article
  • Open Access
23 Citations
5,845 Views
18 Pages

19 April 2018

Reactive electrospinning is capable of efficiently producing in situ crosslinked scaffolds resembling the natural extracellular matrix with tunable characteristics. In this study, we aimed to synthesize, characterize, and investigate the in vitro cyt...

  • Article
  • Open Access
39 Citations
9,973 Views
16 Pages

19 April 2018

The objective of this study was to develop three-dimensional collagen/gelatin/hydroxyethyl cellulose composites in combination with gelatin or collagen-gelatin loaded microspheres. Microspheres were prepared by an emulsification/crosslinking method....

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Polymers - ISSN 2073-4360