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Polymers, Volume 1, Issue 1 (December 2009), Pages 1-34

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Editorial

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Open AccessEditorial Polymers – A New Open Access Scientific Journal on Polymer Science
Polymers 2009, 1(1), 1-2; doi:10.3390/polym1010001
Received: 27 December 2009 / Published: 28 December 2009
Cited by 2 | PDF Full-text (177 KB) | HTML Full-text | XML Full-text
Abstract
Polymers is a new interdisciplinary, Open Access scientific journal on polymer science, published by Molecular Diversity Preservation International (MDPI). This journal welcomes manuscript submissions on polymer chemistry, macromolecular chemistry, polymer physics, polymer characterization and all related topics. Both synthetic polymers and natural [...] Read more.
Polymers is a new interdisciplinary, Open Access scientific journal on polymer science, published by Molecular Diversity Preservation International (MDPI). This journal welcomes manuscript submissions on polymer chemistry, macromolecular chemistry, polymer physics, polymer characterization and all related topics. Both synthetic polymers and natural polymers, including biopolymers, are considered. Manuscripts will be thoroughly peer-reviewed in a timely fashion, and papers will be published, if accepted, within 6 to 8 weeks after submission. [...] Full article

Research

Jump to: Editorial

Open AccessCommunication Mild and Facile Synthesis of Multi-Functional RAFT Chain Transfer Agents
Polymers 2009, 1(1), 3-15; doi:10.3390/polym1010003
Received: 17 July 2009 / Revised: 13 October 2009 / Accepted: 19 October 2009 / Published: 19 October 2009
Cited by 7 | PDF Full-text (244 KB) | HTML Full-text | XML Full-text
Abstract
In this paper we will describe the synthesis and characterization of a series of novel chain transfer agents for application in reversible addition fragmentation chain transfer polymerization (RAFT). The facile and mild conditions used for the synthesis of these new chain transfer [...] Read more.
In this paper we will describe the synthesis and characterization of a series of novel chain transfer agents for application in reversible addition fragmentation chain transfer polymerization (RAFT). The facile and mild conditions used for the synthesis of these new chain transfer agents should allow for the application of these methods for the preparation of a wide range of multifunctional chain transfer agent species. Some initial polymerization data for these multifunctional chain transfer agents is also reported. Full article
Open AccessArticle Role of Different Pre-Treatments on Composition and Rheology of Synovial Fluids
Polymers 2009, 1(1), 16-34; doi:10.3390/polym1010016
Received: 28 October 2009 / Revised: 16 December 2009 / Accepted: 28 December 2009 / Published: 28 December 2009
Cited by 8 | PDF Full-text (580 KB) | HTML Full-text | XML Full-text
Abstract
Different pre-treatments applied to synovial fluids (SF) before their analyses are tested to characterize SF after storage under different conditions and to investigate their evolution along a viscosupplementation treatment. The main techniques proposed involve steric exclusion chromatography with triple detection (SEC) and [...] Read more.
Different pre-treatments applied to synovial fluids (SF) before their analyses are tested to characterize SF after storage under different conditions and to investigate their evolution along a viscosupplementation treatment. The main techniques proposed involve steric exclusion chromatography with triple detection (SEC) and viscometry; it is the first time that such a study is developed. SEC gives the molecular weight distribution and concentration of hyaluronan (HA) and proteins separately; the steady state viscosity is always non-Newtonian and not directly related to SF composition. Pre-treatment of SF (storage in cold, filtration, centrifugation) allows us to conclude that, in order to store SF, it is best to freeze it, even if in some cases, viscosity is modified but not the composition. All the data obtained (including protease pre-treatment) allow us to conclude that a small fraction of HA-protein complex forms a loose 3D-network and controls the rheology. Full article
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