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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
74 Citations
11,347 Views
19 Pages

Biocompatible and Antibacterial Nitric Oxide-Releasing Pluronic F-127/Chitosan Hydrogel for Topical Applications

  • Milena T. Pelegrino,
  • Bruna De Araujo Lima,
  • Mônica H. M. Do Nascimento,
  • Christiane B. Lombello,
  • Marcelo Brocchi and
  • Amedea B. Seabra

18 April 2018

Nitric oxide (NO) is involved in physiological processes, including vasodilatation, wound healing and antibacterial activities. As NO is a free radical, designing drugs to generate therapeutic amounts of NO in controlled spatial and time manners is s...

  • Article
  • Open Access
23 Citations
4,850 Views
10 Pages

Angular Photochromic LC Composite Film for an Anti-Counterfeiting Label

  • Yanzi Gao,
  • Wenhuan Yao,
  • Jian Sun,
  • Kexuan Li and
  • Lanying Zhang

18 April 2018

In the harsh application environment, improving the mechanical properties of liquid crystal materials is a fundamental and important problem in the design of anti-counterfeit materials. In this paper, by a stepwise polymerization of first, photo-poly...

  • Article
  • Open Access
19 Citations
6,198 Views
12 Pages

Antifungal Paper Based on a Polyborneolacrylate Coating

  • Jiangqi Xu,
  • Yujia Bai,
  • Meijiao Wan,
  • Yanhui Liu,
  • Lei Tao and
  • Xing Wang

17 April 2018

Paper documents and products are very susceptible to microbial contamination and damage. Fungi are mainly responsible for those biodeterioration processes. Traditional microbicidal strategies constitute a serious health risk even when microbes are de...

  • Article
  • Open Access
43 Citations
12,274 Views
12 Pages

17 April 2018

A high performance ladder-like structured methacrylate siloxane hybrid material (LMSH) was fabricated via simple hydrolytic sol–gel reaction, followed by free-radical polymerization. A structurally ordered siloxane backbone, the ladder-like str...

  • Article
  • Open Access
30 Citations
4,805 Views
19 Pages

17 April 2018

A series of π-conjugated polymers containing alternating benzoselenadiazole (BSe)-bi(thiophene derivative)-carbazole or benzoththiadiazole (BSe)-bi(thiophene derivative)-fluorene units were designed and synthesized. Thiophene derivatives, namely 3...

  • Article
  • Open Access
20 Citations
5,790 Views
23 Pages

17 April 2018

Thermoresponsive nanoparticles are promising smart materials for many applications. However, a rational design for applications requires a deeper understanding and experimental verification of the various parameters that influence the thermoresponsiv...

  • Article
  • Open Access
6 Citations
6,781 Views
12 Pages

Non-Leachable Hydrophilic Additives for Amphiphilic Coatings

  • Guillaume Gillet,
  • Fabrice Azemar,
  • Fabienne Faÿ,
  • Karine Réhel and
  • Isabelle Linossier

16 April 2018

Amphiphilic surfaces are particularly effective at inhibiting the adhesion of microorganisms (bacteria, cells, microalgae, etc.) in liquid media. The aim of this study is to determine the best hydrophilic linker to promote bonding between poly(ethyle...

  • Article
  • Open Access
25 Citations
10,274 Views
15 Pages

16 April 2018

The properties of rubber are strongly influenced by the distribution of filler within the polymer matrix. Here, we introduce a Monte Carlo-based morphology generator. The basic elements of our model are cubic cells, which, in the current version, can...

  • Article
  • Open Access
8 Citations
5,307 Views
14 Pages

16 April 2018

We present a numerical study in which large-scale bulk simulations of self-assembled DNA constructs have been carried out with a realistic coarse-grained model. The investigation aims at obtaining a precise, albeit numerically demanding, estimate of...

  • Review
  • Open Access
116 Citations
13,277 Views
51 Pages

15 April 2018

Non-viral gene delivery vectors have lagged far behind viral ones in the current pipeline of clinical trials of gene therapy nanomedicines. Even when non-viral nanovectors pose less safety risks than do viruses, their efficacy is much lower. Since th...

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Polymers - ISSN 2073-4360