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Mariana Rusa

North Carolina State University

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Featured researches published by Mariana Rusa.

Nanotechnology | 2005

Layer-by-layer deposition of polyelectrolyte nanolayers on natural fibres: cotton.

Kevin Hyde; Mariana Rusa; Juan P. Hinestroza

The layer-by-layer (LbL) deposition of poly(sodium 4-styrene sulfonate) (PSS) and poly(allylamine hydrochloride) (PAH) over cotton fibres is reported. Cotton fibres offer unique challenges to the deposition of nanolayers because of their unique cross section as well as the chemical heterogeneity of their surface. Cationic cotton substrates were produced by using 2,3-epoxypropyltrimethylammonium chloride. Attenuated total reflectance FTIR, x-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) were used to validate the presence of the nanolayers as well as to corroborate their self-organized structure. TEM images indicated conformal and uniform coating of the cotton fibres. XPS spectral data were found to be in quantitative agreement with previous published work that studied the LbL deposition of PSS and PAH over synthetic substrates.

Langmuir | 2004

Two-Phase Channel Structures Based on α-Cyclodextrin−Polyethylene Glycol Inclusion Complexes

I. N. Topchieva; Alan E. Tonelli; I. G. Panova; Elena V. Matuchina; Filipp A. Kalashnikov; Vasily I. Gerasimov; Cristian C. Rusa; Mariana Rusa; Marcus A. Hunt

Macromolecules | 2004

Controlling PVA Hydrogels with γ-Cyclodextrin

Rebeca Hernández; Mariana Rusa; Cristian C. Rusa; Daniel López; and Carmen Mijangos; Alan E. Tonelli

Macromolecules | 2004

Nanostructuring High Molecular Weight Isotactic Polyolefins via Processing with γ-Cyclodextrin Inclusion Compounds. Formation and Characterization of Polyolefin−γ-Cyclodextrin Inclusion Compounds

Cristian C. Rusa; Mariana Rusa; M. A. Gómez; I. Daniel Shin; Justin D. Fox; Alan E. Tonelli

Macromolecular Rapid Communications | 2004

Polymerization of Styrene in Cyclodextrin Channels: Can Confined Free‐Radical Polymerization Yield Stereoregular Polystyrene?

Tamer Uyar; Mariana Rusa; Alan E. Tonelli

Journal of Polymer Science Part B | 2005

Intimate blending of binary polymer systems from their common cyclodextrin inclusion compounds

Tamer Uyar; Cristian C. Rusa; Xingwu Wang; Mariana Rusa; Jale Hacaloglu; Alan E. Tonelli

Crystal Growth & Design | 2004

Controlling the Polymorphic Behaviors of Semicrystalline Polymers with Cyclodextrins

Cristian C. Rusa; Min Wei; Todd A. Bullions; Mariana Rusa; M. A. Gómez; Francis E. Porbeni; Xingu Wang; I. Daniel Shin; Charles M. Balik; Jeffery L. White; Alan E. Tonelli

Journal of Polymer Science Part B | 2004