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David Ruch

Researcher at Virginia Tech

Publications -  48
Citations -  4166

David Ruch is an academic researcher from Virginia Tech. The author has contributed to research in topics: Plasma polymerization & Methyl methacrylate. The author has an hindex of 30, co-authored 48 publications receiving 3439 citations.

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Review of thermal conductivity in composites: Mechanisms, parameters and theory

TL;DR: In this paper, theoretical and experimental aspects of thermal conductivity in composites, from thermal energy generation to heat transfers, are reviewed, and the fundamental mechanism of thermal conduction, its mathematical aspects, and certain essential parameters to be considered in this study, such as crystallinity, phonon scattering, or filler/matrix interfaces are discussed in detail.
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Dopamine—Melanin Film Deposition Depends on the Used Oxidant and Buffer Solution

TL;DR: It is shown that the deposition kinetics of melanin from dopamine containing buffers at pH 8.5 can be markedly modified using Cu(2+) instead of O2 as an oxidant: the deposition Kinetics remains linear up to thicknesses of more than 70 nm, whereas the film growth stops at 45 ± 5 nm in the presence of 02.
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Kinetics of polydopamine film deposition as a function of pH and dopamine concentration: Insights in the polydopamine deposition mechanism

TL;DR: Electrochemical impedance spectroscopy shows that the higher the initial dopamine concentration, the more rapidly compact and impermeable films are formed, and a model for the deposition of polydopamine films is proposed, which relies on a rate equation taking into account both attractive and repulsive interactions between small Polydopamines on the surface and in solution.
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New approach on the development of plasticized polylactide (PLA): Grafting of poly(ethylene glycol) (PEG) via reactive extrusion

TL;DR: In this article, a reactive blending of anhydride-grafted PLA (MAG-PLA) copolymer with PEG, with chains terminated with hydroxyl groups, was performed.
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Self-Assembly of Tetramers of 5,6-Dihydroxyindole Explains the Primary Physical Properties of Eumelanin: Experiment, Simulation, and Design

TL;DR: Joint experimental-computational investigation of the structural and mechanical properties of eumelanin assemblies produced from dopamine reveal that the mass density of dry eumetalanin is 1.55 g/cm³ and its Young's modulus is ≈5 GPa, and simulations show that eumelsin is an isotropic material at a larger scale when eumELanin molecules are randomly oriented to form secondary structures.