Macromolecular Chemistry and Physics

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Best of Macros 2017 is now online. Click here to read about the selected articles and their authors.

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  1. CdS–Oleic Acid Quantum Dots as Long-Wavelength Photoinitiators in Organic Solvent and Preparation of Luminescent, Colloidal CdS/Polymer Nanocomposites

    Enes Buz, Fabrice Morlet-Savary, Jacques Lalevée and Havva Yagci Acar

    Version of Record online: 11 DEC 2017 | DOI: 10.1002/macp.201700356

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    For the first time, quantum dots (QD) are shown as effective photoinitiators in a nonprotic solvent and in the absence of a coinitiator. Strongly luminescent PMMA/CdS nanoparticles are prepared in successful polymerizations initiated at 365 nm with oleic acid–CdS QDs. These QDs are also long-wavelength initiators, effectively starting polymerizations in the 400–500 nm range.

  2. Determination of Intimate Composition of Theranostic Polyplexes Based on (Co)Polymers of Poly(vinyl benzyl trimethylammonium chloride)

    Emi Haladjova, Grigoris Mountrichas, Stergios Pispas and Stanislav Rangelov

    Version of Record online: 11 DEC 2017 | DOI: 10.1002/macp.201700428

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    The most typical characterization of nonviral carriers of DNA is by size, size distribution, and ζ potential and very little is known about their detailed composition. Novel nanoparticulate systems that combine properties of condensing, protecting, and transport of genetic material with diagnostic and sensing modalities are developed and investigated by dynamic and static light scattering to establish what the systems really carry.

  3. Nanofishing of a Single Polymer Chain: Temperature-Induced Coil–Globule Transition of Poly(N-isopropylacrylamide) Chain in Water

    Xiaobin Liang and Ken Nakajima

    Version of Record online: 11 DEC 2017 | DOI: 10.1002/macp.201700394

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    A method called “nanofishing” enables the stretching of a single polymer chain adsorbed on a gold substrate at its two thiol-modified terminals using atomic force microscope. The method provides new insight into the hydration mechanism of thermoresponsive poly(N-isopropylacrylamide) chains.

  4. Vibrational Spectra of Poly(ethylene terephthalate) Chains in the Mesomorphic Form

    Paola Rizzo, Diletta Trotta, Pellegrino Musto and Gaetano Guerra

    Version of Record online: 11 DEC 2017 | DOI: 10.1002/macp.201700362

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    A detailed analysis of vibrational spectra of amorphous, mesomorphic, and crystalline poly(ethylene terephthalate) films has allowed identifying peaks associated with disordered conformations, being compatible with the along-to-the-chain periodicity of the mesomorphic phase.

  5. Networks Based on “Core-First” Star Polymers End-Linked Using a Degradable Ketal Cross-Linker: Synthesis, Characterization, and Cleavage

    Eleni J. Kepola and Costas S. Patrickios

    Version of Record online: 11 DEC 2017 | DOI: 10.1002/macp.201700404

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    Group transfer polymerization is employed for the facile preparation of degradable polymer networks comprising interconnected “core-first” star polymers. The polymerization involves the one-pot, sequential addition of cross-linker, monomer, and cross-linker again. The combination of a degradable and a nondegradable cross-linker enables the preparation of isomeric networks with different properties.

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