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Polymers, Volume 3, Issue 2

June 2011 - 20 articles

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Articles (20)

  • Article
  • Open Access
14 Citations
10,788 Views
13 Pages

14 June 2011

The assembly of sodium polystyrene sulfonate (Na+-PSS) at the surface of single-walled carbon nanotubes (SWNTs) in pH 3 aqueous solution is described. Rather than forming linear or sheet-like chain morphologies over SWNT surfaces, Na+-PSS adopts a sp...

  • Article
  • Open Access
39 Citations
9,491 Views
12 Pages

Effect of Moisture on the Orientation Birefringence of Cellulose Esters

  • Mohd Edeerozey Abd Manaf,
  • Manami Tsuji,
  • Shogo Nobukawa and
  • Masayuki Yamaguchi

14 June 2011

Orientation birefringence and its wavelength dispersion are studied for hot-drawn films of cellulose esters such as cellulose triacetate (CTA), cellulose diacetate (CDA), and cellulose acetate propionate (CAP) exposed to three different humidities of...

  • Communication
  • Open Access
14 Citations
8,530 Views
8 Pages

14 June 2011

Soft nanogels are submicron-sized hydrophilic structures engineered from biocompatible polymers possessing the characteristics of nanoparticles as well as hydrogels, with a wide array of potential applications in biotechnology and biomedicine, namely...

  • Communication
  • Open Access
89 Citations
22,163 Views
14 Pages

Physical and Chemical Characterization of Poly(hexamethylene biguanide) Hydrochloride

  • Gustavo F. De Paula,
  • Germano I. Netto and
  • Luiz Henrique C. Mattoso

1 June 2011

We present the characterization of commercially available Poly(hexamethylene biguanide) hydrochloride (PHMB), a polymer with biocidal activity and several interesting properties that make this material suitable as a building block for supramolecular...

  • Article
  • Open Access
20 Citations
8,586 Views
13 Pages

Using Light Scattering to Screen Polyelectrolytes (PEL) Performance in Flocculation

  • Maria G. Rasteiro,
  • Ineide Pinheiro,
  • Fernando A. P. Garcia,
  • Paulo Ferreira and
  • David Hunkeler

27 May 2011

Flocculation of precipitated calcium carbonate (PCC) was monitored using light diffraction spectroscopy (LDS). Four cationic polyacrylamides of high molar mass and with different degrees of branching, all copolymers of acrylamide (AM) and acryloyloxy...

  • Review
  • Open Access
25 Citations
10,219 Views
13 Pages

26 May 2011

We review the fundamental properties of Brillouin scattering in a perfluorinated graded-index polymer optical fiber (PFGI-POF) with 120 μm core diameter. The experiments were performed at 1.55 μm telecommunication wavelength. The Brillouin frequency...

  • Review
  • Open Access
53 Citations
10,478 Views
16 Pages

26 May 2011

Age-related macular degeneration and retinitis pigmentosa are two leading causes of irreversible blindness characterized by photoreceptor loss. Cell transplantation may be one of the most promising approaches of retinal repair. However, several probl...

  • Article
  • Open Access
9 Citations
9,118 Views
14 Pages

16 May 2011

A novel thermotropic liquid crystalline polymers poly{3-benzylidene amino-4-hydroxybenzoic acid (3,4-BAHBA)-co-trans-4-hydroxycinnamic acid (4HCA: trans-coumaric acid)} (Poly(3,4-BAHBA-co-4HCA)), was synthesized by the thermal polycondensation of 4HC...

  • Communication
  • Open Access
23 Citations
9,024 Views
11 Pages

16 May 2011

An iodine accumulation method using polyaniline (PANI) and a textile composite is proposed. PANI/pulp paper sheets prepared by a paper making technique are suitable for iodine adsorption, because of good processability. The PANI-based paper sheets ca...

  • Article
  • Open Access
8,875 Views
15 Pages

Rotational Diffusion of Macromolecules and Nanoparticles Modeled as Non-Overlapping Bead Arrays in an Effective Medium

  • Hengfu Wu,
  • Umar Twahir,
  • Alishia Davis,
  • Ebenezer Duodo,
  • Bahareh Kashani,
  • Young Lee,
  • Cindy Pena,
  • Noni Whitley and
  • Stuart A. Allison

13 May 2011

In this work, the retarding influence of a gel on the rotational motion of a macromolecule is investigated within the framework of the Effective Medium (EM) model. This is an extension of an earlier study that considered the effect of a gel on the tr...

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