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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)

  • Article
  • Open Access
16 Citations
5,979 Views
22 Pages

Morphology, Nucleation, and Isothermal Crystallization Kinetics of Poly(Butylene Succinate) Mixed with a Polycarbonate/MWCNT Masterbatch

  • Thandi P. Gumede,
  • Adriaan S. Luyt,
  • Ricardo A. Pérez-Camargo,
  • Agnieszka Tercjak and
  • Alejandro J. Müller

10 April 2018

In this study, nanocomposites were prepared by melt blending poly(butylene succinate) (PBS) with a polycarbonate (PC)/multi-wall carbon nanotubes (MWCNTs) masterbatch, in a twin-screw extruder. The nanocomposites contained 0.5, 1.0, 2.0, and 4.0 wt%...

  • Article
  • Open Access
24 Citations
5,162 Views
14 Pages

9 April 2018

The detection technique of component defects is currently only realized to detect offline defects and online surface defects during automated fiber placement (AFP). The characteristics of stress waves can be effectively applied to identify and detect...

  • Communication
  • Open Access
4,050 Views
10 Pages

Huge Enhancement of Luminescence from a Coaxial-Like Heterostructure of Poly(3-methylthiophene) and Au

  • Bo-Hyun Kim,
  • Hojin Lee,
  • Do Hyoung Kim,
  • Seokho Kim,
  • Jinho Choi,
  • Gil Sun Lee,
  • Dong Hyuk Park and
  • Sunjong Lee

9 April 2018

Recently, the light-matter interaction at nanoscale has attracted great interest from physicists, chemists and material scientists, as it gives peculiar optical properties that couldn’t be observed at the bulk scale. The synthesis and characterizatio...

  • Article
  • Open Access
25 Citations
7,862 Views
13 Pages

9 April 2018

Skin autografts are in great demand due to injuries and disease, but there are challenges using live tissue sources, and synthetic tissue is still in its infancy. In this study, an electrocompaction method was applied to fabricate the densely packed...

  • Communication
  • Open Access
11 Citations
5,254 Views
13 Pages

In Situ Raman Spectroscopy as a Tool for Structural Insight into Cation Non-Ionomeric Polymer Interactions during Ion Transport

  • Krzysztof Artur Bogdanowicz,
  • Domenico Pirone,
  • Judit Prats-Reig,
  • Veronica Ambrogi,
  • José Antonio Reina and
  • Marta Giamberini

9 April 2018

Low-modified liquid-crystalline polyether (CP36), as a model compound, was synthesised with the purpose of preparing a membrane with columnar ionic channels. A free-standing cation permselective biomimetic membrane was successfully prepared and found...

  • Article
  • Open Access
26 Citations
6,604 Views
11 Pages

Selenide-Containing Polyimides with an Ultrahigh Intrinsic Refractive Index

  • Qilong Li,
  • Jiandong Zhang,
  • Xiangqiang Pan,
  • Zhengbiao Zhang,
  • Jian Zhu and
  • Xiulin Zhu

9 April 2018

This work developed novel selenium-containing polyimides with a high intrinsic refractive index. Four polyimides with different selenium contents and repeat unit structures were designed and synthesized via amine-dianhydride polycondensation of one o...

  • Review
  • Open Access
90 Citations
14,665 Views
26 Pages

9 April 2018

In this paper, recent developments in the chemical design of functional microgels are summarized. A wide range of available synthetic methods allows the incorporation of various reactive groups, charges, or biological markers inside the microgel netw...

  • Article
  • Open Access
27 Citations
7,630 Views
15 Pages

9 April 2018

In this study, the polysaccharides (PPs) from pomelo peels were investigated for their structural characteristics and antitumor mechanism on sarcoma S180-bearing mice. Components, FT-IR, and GC analysis showed that PPs, mainly composed of glucose, we...

  • Article
  • Open Access
29 Citations
4,999 Views
20 Pages

Effect of Polysiloxanes on Roughness and Durability of Basalt Fibres–Reinforced Cement Mortar

  • Danuta Barnat-Hunek,
  • Grzegorz Łagód,
  • Stanisław Fic and
  • Monika Jarosz-Hadam

9 April 2018

The influence of roughness and the way it affects the adhesion properties and surface free energy (SFE) of polysiloxanes hydrophobised basalt fibres–reinforced cement mortars were determined in this article. The physical properties of mortars were in...

  • Article
  • Open Access
8 Citations
5,193 Views
16 Pages

The Influence of Accelerated UV-A and Q-SUN Irradiation on the Antibacterial Properties of Hydrophobic Coatings Containing Eucomis comosa Extract

  • Małgorzata Mizielińska,
  • Urszula Kowalska,
  • Piotr Salachna,
  • Łukasz Łopusiewicz and
  • Michał Jarosz

9 April 2018

The purpose of this research was to examine the antimicrobial properties against Gram-positive bacteria, as well as the water vapour characteristic of polylactic acid (PLA) films covered with a methyl–hydroxypropyl–cellulose (MHPC)/cocoa butter carri...

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Polymers - ISSN 2073-4360