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Polymers, Volume 4, Issue 1

March 2012 - 38 articles

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Articles (38)

  • Review
  • Open Access
49 Citations
17,062 Views
86 Pages

Polyester Dendrimers

  • Jean–d’Amour K. Twibanire and
  • T. Bruce Grindley

7 March 2012

Polyester dendrimers have been comprehensively reviewed starting from their first synthesis in the early 1990s by Hawker and Fréchet. Polyester dendrimers have attracted and continue to attract extensive interest because they are comparatively easy t...

  • Article
  • Open Access
4 Citations
7,761 Views
9 Pages

7 March 2012

The assembled complex, Fe(NCBH3)2(bpa)2, enclathrating biphenyl has been synthesized, the skeleton of which is a 1D chain. Several 1D chains gather together to form 1D chain sheet. The 1D chain sheet is stacked spirally to form novel spiral assembly....

  • Review
  • Open Access
194 Citations
22,730 Views
35 Pages

Enzyme Initiated Radical Polymerizations

  • Frank Hollmann and
  • Isabel W. C. E. Arends

6 March 2012

Biocatalysis is propagating into practically every area of organic chemistry, amongst them radical polymerizations. A review of the recent developments of this dynamic and quickly evolving area of research is presented together with a critical evalua...

  • Article
  • Open Access
8 Citations
8,964 Views
12 Pages

Antibacterial Activity of Four Human Beta-Defensins: HBD-19, HBD-23, HBD-27, and HBD-29

  • Bryan T. Chow,
  • Maira Soto,
  • Bonnie L. Lo,
  • David C. Crosby and
  • David Camerini

1 March 2012

Human β-defensins (HBD) are a family of small antimicrobial peptides that play important roles in the innate and adaptive immune defenses against microbial infection. In this study, we predicted the mature sequences and assessed the antibacterial pro...

  • Article
  • Open Access
35 Citations
16,836 Views
31 Pages

Papain Catalyzed (co)Oligomerization of α-Amino Acids

  • Leendert W. Schwab,
  • Wouter M. J. Kloosterman,
  • Jakob Konieczny and
  • Katja Loos

29 February 2012

Four hydrophobic amino acids (Leu, Tyr, Phe, Trp) were oligomerized by the protease papain in homo-oligomerization, binary co-oligomerization and ternary co-oligomerization. After 24 h, solid polydisperse reaction products of the homo-oligomerization...

  • Article
  • Open Access
4 Citations
7,768 Views
6 Pages

Kinetics of Model Reactions for Interfacial Polymerization

  • Jeffrey Robertson,
  • Trevor Centeno-Hall,
  • Anne Padias,
  • Robert Bates and
  • Henry Hall

29 February 2012

To model the rates of interfacial polycondensations, the rates of reaction of benzoyl chloride and methyl chloroformate with various aliphatic monoamines in acetonitrile were determined at 25 °C. Buffering with picric acid slowed these extremely fast...

  • Review
  • Open Access
38 Citations
12,644 Views
19 Pages

28 February 2012

As components of the innate immune system, antimicrobial peptides in the form of human defensins play an important role in host defense by serving as the epithelial layer’s biochemical barrier against local infections. Recent studies have shown these...

  • Article
  • Open Access
20 Citations
11,306 Views
18 Pages

Fabrication and Packaging of Flexible Polymeric Microantennae for in Vivo Magnetic Resonance Imaging

  • Magdalèna Couty,
  • Marion Woytasik,
  • Jean-Christophe Ginefri,
  • Anne Rubin,
  • Emile Martincic,
  • Marie Poirier-Quinot,
  • Luc Darrasse,
  • Fawzi Boumezbeur,
  • Franck Lethimonnier and
  • Michael Tatoulian
  • + 1 author

27 February 2012

In this paper, we detail how microantennae dedicated to Magnetic Resonance Imaging (MRI) can benefit from the advantages offered by polymer substrates, especially flexibility and dielectric properties. We present a monolithic and wireless design base...

  • Article
  • Open Access
25 Citations
16,213 Views
17 Pages

Synthesis of Hyperbranched Glycoconjugates by the Combined Action of Potato Phosphorylase and Glycogen Branching Enzyme from Deinococcus geothermalis

  • Jeroen van der Vlist,
  • Martin Faber,
  • Lizette Loen,
  • Teunis J. Dijkman,
  • Lia A. T. W. Asri and
  • Katja Loos

27 February 2012

Potato phosphorylase is able to synthesize linear polyglucans from maltoheptaose primers. By coupling maltoheptaose to butane diamine, tris(2-aminoethyl)amine and amine functionalized amine functionalized poly ethyleneglycol (PEG), new primer molecul...

  • Article
  • Open Access
41 Citations
8,500 Views
26 Pages

Variational Models of Network Formation and Ion Transport: Applications to Perfluorosulfonate Ionomer Membranes

  • Nir Gavish,
  • Jaylan Jones,
  • Zhengfu Xu,
  • Andrew Christlieb and
  • Keith Promislow

24 February 2012

We present the functionalized Cahn-Hilliard (FCH) energy, a continuum characterization of interfacial energy whose minimizers describe the network morphology of solvated functionalized polymer membranes. With a small set of parameters the FCH charact...

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Polymers - ISSN 2073-4360