Macromolecular Rapid Communications

Cover image for Vol. 31 Issue 23

December 1, 2010

Volume 31, Issue 23

Pages 2003–2083

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Contents
    4. Review
    5. Communications
    6. Back Cover
    1. Macromol. Rapid Commun. 23/2010

      Olga Shchepelina, Veronika Kozlovskaya, Eugenia Kharlampieva, Wenbin Mao, Alexander Alexeev and Vladimir V. Tsukruk

      Version of Record online: 29 NOV 2010 | DOI: 10.1002/marc.201090061

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      Front Cover: The image presents spherical, cubic, and tetrahedral inorganic microparticles that are used as templates to create hollow polymeric capsules. Anisotropic shapes with well-defined edges can be precisely reproduced using hydrogen-bonded multilayers, fabricated by a layer-by-layer approach. Computational modeling shows that the mechanical stability of the anisotropic capsules is enhanced by the sharp edges and vertices, in contrast to spherical microcapsules that undergo random buckling. Further information can be found in the article by O. Shchepelina, V. Kozlovskaya, E. Kharlampieva, W. Mao, A. Alexeev,* and V. V. Tsukruk*on page 2041.

  2. Contents

    1. Top of page
    2. Cover Picture
    3. Contents
    4. Review
    5. Communications
    6. Back Cover
  3. Review

    1. Top of page
    2. Cover Picture
    3. Contents
    4. Review
    5. Communications
    6. Back Cover
    1. Organic Ambipolar Conjugated Molecules for Electronics: Synthesis and Structure–Property Relationships (pages 2007–2034)

      Hongji Jiang

      Version of Record online: 27 JUL 2010 | DOI: 10.1002/marc.201000040

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      On account of the advantages of organic semiconductor relative to their inorganic counterpart, the development of organic semiconductor is one of the forefronts and hot areas of organic electronics. As illustrated in this review article, the scientists have put forward a synthesis methodology of organic ambipolar conjugated molecules, in which typical p-dope type and n-dope type segments are incorporated into one molecule, and the optoelectronic properties, especially energy levels, of organic semiconductor have been adjusted effectively in a wide range.

  4. Communications

    1. Top of page
    2. Cover Picture
    3. Contents
    4. Review
    5. Communications
    6. Back Cover
    1. Molecularly Imprinted Nanospheres by Nonaqueous Emulsion Polymerization (pages 2035–2040)

      Gita Dvorakova, Robert Haschick, Khalid Chiad, Markus Klapper, Klaus Müllen and Andrea Biffis

      Version of Record online: 25 OCT 2010 | DOI: 10.1002/marc.201000406

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      Monodisperse, molecularly imprinted polymer nanospheres with a diameter of around 100nm, were synthesized by nonaqueous emulsion polymerization. Batch rebinding and isothermal titration calorimetry (ITC) studies demonstrate that the particles exhibit an enhanced capacity of rebinding the template (±)-propranolol compared to nonimprinted samples.

    2. Anisotropic Micro- and Nano-Capsules (pages 2041–2046)

      Olga Shchepelina, Veronika Kozlovskaya, Eugenia Kharlampieva, Wenbin Mao, Alexander Alexeev and Vladimir V. Tsukruk

      Version of Record online: 19 OCT 2010 | DOI: 10.1002/marc.201000490

      Thumbnail image of graphical abstract

      The anisotropic shape of inorganic crystals was precisely reproduced to create hollow cubic and tetrahedral polymeric capsules based on hydrogen-bonded LbL multilayers. The capsules demonstrated excellent integrity and capability to preserve the shape in solution after core removal as well as high pH and mechanical stability as revealed by experimental and simulation studies.

    3. A First Approach to White Organic Electroluminescence Device from a Single Rod-Coil Poly[thiophene-block-(N-vinylcarbazole)] Diblock Copolymer (pages 2047–2052)

      Mihee Heo, Jonggi Kim, Jin Young Kim and Changduk Yang

      Version of Record online: 28 SEP 2010 | DOI: 10.1002/marc.201000398

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      The phase separated organization in self-assembled hitherto unknown block copolymer (P3HT-b-PVK) allows dual emissions for white electroluminescence. The observed pure white emission is almost unchanged under varying driving voltages, demonstrating an advantageous potential of “single”-emitting-component WOLEDs as well as opening up new strategies for the development of WOLEDs.

    4. Labeled Nanoparticles Based on Pharmaceutical EUDRAGIT® S 100 Polymers (pages 2053–2058)

      Antje Vollrath, Stephanie Schubert, Norbert Windhab, Christoph Biskup and Ulrich S. Schubert

      Version of Record online: 24 SEP 2010 | DOI: 10.1002/marc.201000373

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      P(MAA–r–MMA)1:2(EUDRAGIT®S100) was chemically modified and investigated concerning its behavior to form nanoparticles in order to achieve nanocarrier systems, which are detectable and useful for controlled drug delivery devices. The particles were characterized by SEM and DLS as well as by electron spin resonance, fluorescence, or near-infrared spectroscopy, depending on the label. The biocompatibility was proven by in vitro studies.

    5. Preparation of a Rapidly Forming Poly(ferrocenylsilane)-Poly(ethylene glycol)-based Hydrogel by a Thiol-Michael Addition Click Reaction (pages 2059–2063)

      Xiaofeng Sui, Lennard van Ingen, Mark A. Hempenius and G. Julius Vancso

      Version of Record online: 19 OCT 2010 | DOI: 10.1002/marc.201000420

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      A redox responsive poly(ferrocenylsilane)-poly(ethylene glycol)-based hydrogel was obtained by a thiol-Michael addition click reaction. A poly(ferrocenylsilane) with acrylate side groups was synthesized by side group modification and characterized by 1H NMR, 13C NMR, and FT-IR spectroscopy. The equilibrium swelling ratio, morphology, rheology, and redox responsive properties of the hydrogel are reported.

    6. Multiple Sol-Gel Transitions of PEG-PCL-PEG Triblock Copolymer Aqueous Solution (pages 2064–2069)

      Min Ji Hwang, Min Kyung Joo, Bo Gyu Choi, Min Hee Park, Ian W. Hamley and Byeongmoon Jeong

      Version of Record online: 18 OCT 2010 | DOI: 10.1002/marc.201000403

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      An aqueous solution of EG13CL23EG13undergoes sol-to-gel (hard gel)-to-sol-to-gel (soft gel)-to-sol multiple transitions, where the hard gel and soft gel are distinguished by crystalline and amorphous state of the PCL. The mechanism of transitions and molecular characteristics in each phase are investigated.

    7. Fabrication of a Thermoresponsive Biohybrid Double Hydrophilic Block Copolymer by a Cofactor Reconstitution Approach (pages 2070–2076)

      Xuejuan Wan and Shiyong Liu

      Version of Record online: 13 OCT 2010 | DOI: 10.1002/marc.201000340

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      A well-defined thermoresponsive biohybrid double hydrophilic block copolymer (DHBC), myoglobin-b-PNIPAM, is synthesized by the combination of atom transfer radical polymerization, click chemistry, and the cofactor reconstitution approach. Behaving as a typical responsive DHBC, the obtained biohybrid diblock copolymer exhibits thermo-induced aggregation behavior in aqueous solution due to the presence of the thermoresponsive PNIPAM block.

    8. Nanofibers by Green Electrospinning of Aqueous Suspensions of Biodegradable Block Copolyesters for Applications in Medicine, Pharmacy and Agriculture (pages 2077–2083)

      Jinyuan Sun, Kathrin Bubel, Fei Chen, Thomas Kissel, Seema Agarwal and Andreas Greiner

      Version of Record online: 19 OCT 2010 | DOI: 10.1002/marc.201000379

      Thumbnail image of graphical abstract

      Nanofibers of biodegradable block copolyesters can be prepared by “green electrospinning” of highly concentrated aqueous block copolyester suspensions. “Green electrospinning” will open up novel perspectives for application in medicine, pharmacy and agriculture.

  5. Back Cover

    1. Top of page
    2. Cover Picture
    3. Contents
    4. Review
    5. Communications
    6. Back Cover
    1. Macromol. Rapid Commun. 23/2010

      Mihee Heo, Jonggi Kim, Jin Young Kim and Changduk Yang

      Version of Record online: 29 NOV 2010 | DOI: 10.1002/marc.201090063

      Thumbnail image of graphical abstract

      Back Cover: The image presents the phase-separated organization of self-assembled, hitherto unknown rod–coil block copolymer. The composite consisting of poly(3-hexylthiophene) and poly(N-vinylcarbazole) in a single molecular architecture allows dual emission of white electroluminescence with CIE coordinates of (0.34, 0.33). Further details can be found in the article by M. Heo, J. Kim, J. Y. Kim,* and C. Yang*on page 2047.

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