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534 Newest Publications about the topic solution

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Surface-Initiated Chain Growth Polyaramid Brushes

26-Jun-2015 | Frederick C. Prehn, Jr.; Stephen G. Boyes, Macromolecules, 2015

Synthesis of well-defined, surface-initiated poly(N-octyl-p-benzamide) brushes was demonstrated using a new “grafting from” chain growth technique. A solution-based chain growth polycondensation technique was adopted from literature and modified to form a polyaramid brush by taking advantage of ...


Dynamic Molecular Behavior on Thermoresponsive Polymer Brushes

25-Jun-2015 | Huai-Ying Chin; Dapeng Wang; Daniel K. Schwartz, Macromolecules, 2015

The surface dynamics of individual surfactant and polymer molecules on thermally responsive polymer brushes (poly(N-isopropylacrylamide), PNIPAAM) were studied using high throughput single molecule tracking microscopy. The probe molecules universally exhibited intermittent hopping motion, in ...


Photochemical Design of Stimuli-Responsive Nanoparticles Prepared by Supramolecular Host–Guest Chemistry

24-Jun-2015 | Astrid F. Hirschbiel; Bernhard V. K. J. Schmidt; Peter Krolla-Sidenstein; James P. Blinco; Christopher Barner-Kowollik, Macromolecules, 2015

We introduce the design of a thermoresponsive nanoparticle via sacrificial micelle formation based on supramolecular host–guest chemistry. Reversible addition–fragmentation chain transfer (RAFT) polymerization was employed to synthesize well-defined polymer blocks of poly(N,N-dimethylacrylamide) ...


Temperature Driven Self-Assembly of a Zwitterionic Block Copolymer That Exhibits Triple Thermoresponsivity and pH Sensitivity

16-Jun-2015 | Zulma A. Jiménez; Ryo Yoshida, Macromolecules, 2015

We report a zwitterionic block copolymer composed of N-isopropylacrylamide and N,N-dimethyl-N-(3-(methacrylamido)propyl)ammoniopropanesulfonate monomers which self-assembles into different structures depending on the solution temperature. As the temperature is increased from 20 to 70 °C, the ...


A Library of Thermoresponsive, Coacervate-Forming Biodegradable Polyesters

12-Jun-2015 | John P. Swanson; Leanna R. Monteleone; Fadi Haso; Philip J. Costanzo; Tianbo Liu; Abraham Joy, Macromolecules, 2015

We report on a new class of thermoresponsive biodegradable polyesters (TR-PE) inspired by polyacrylamides and elastin-like proteins (ELPs). The polyesters display reversible phase transition with tunable cloud point temperatures (Tcp) in aqueous solution as evidenced by UV–vis spectroscopy, 1H ...


Size Control of Spherical and Anisotropic Fluorescent Polymer Nanoparticles via Precise Rigid Molecules

09-Jun-2015 | Friederike Schütze; Marina Krumova; Stefan Mecking, Macromolecules, 2015

Highly monodisperse block copolymers allow for the preparation of luminescent particles with sizes reflecting the oligomer chain length. Self-organization in tetrahydrofuran/methanol leads to anisotropic nanorods with a thickness corresponding directly to the oligomer length (up to 14 nm for ...


Aldoxime-Derived Water-Soluble Polymer for the Multiple Analyte Sensing: Consecutive and Selective Detection of Hg2+, Ag+, ClO–, and Cysteine in Aqueous Media

03-Jun-2015 | A. Balamurugan; Hyung-il Lee, Macromolecules, 2015

A simple tailor-made aldoxime-functionalized water-soluble polymeric probe (P-Oxime) for the consecutive colorimetric sensing of multiple analytes, including Hg2+, Ag+, ClO–, and cysteine, was designed and synthesized. A reaction between the aldehyde groups of the side chain in the polymer ...


Molecularly Imprinted Polymers for Selective Adsorption of Lysozyme and Cytochrome c Using a PEG-Based Hydrogel: Selective Recognition for Different Conformations Due to pH Conditions

01-Jun-2015 | Takuya Kubo; Shunsuke Arimura; Yuichi Tominaga; Toyohiro Naito; Ken Hosoya; Koji Otsuka, Macromolecules, 2015

We report molecularly imprinted polymers (MIPs) for selective adsorption of proteins using a poly(ethylene glycol) (PEG)-based cross-linker with ionic monomers. To clarify the utility of the concept for preparation of the imprinted polymers using a PEG-based cross-linker, we employed lysozyme or ...


Star Diblock Copolymer Concentration Dictates the Degree of Dispersion of Carbon Black Particles in Nonpolar Media: Bridging Flocculation versus Steric Stabilization

28-May-2015 | David J. Growney; Oleksandr O. Mykhaylyk; Thibault Derouineau; Lee A. Fielding; Andrew J. Smith; Najib Aragrag; Gord ..., Macromolecules, 2015

The solution behavior of a polystyrene–hydrogenated polyisoprene star diblock copolymer (Mn ∼ 384 K; 6 mol % polystyrene) is examined in nonpolar media. Variable temperature 1H NMR studies using deuterated n-dodecane confirm that the outer polystyrene blocks are only partially solvated in ...


Radical Polymerization of Pendant (Meth)acrylates on a Rigid Helical Polyisocyanate Backbone Producing Poly(meth)acrylates with “Ideally” Atactic Main Chain Configuration

22-May-2015 | Atsushi Narumi; Hitomi Baba; Tetsuya Akabane; Yuta Saito; Satoshi Ohno; Daichi Togashi; Kazushi Enomoto; Moriya Kiku ..., Macromolecules, 2015

This study includes a topic that poly(methyl methacrylate) (PMMA) with an “ideally” atactic main chain configuration, approximately triad tacticities of mm/mr/rr = 1/2/1, has been produced in solution by the “one-dimensionally regulated” radical polymerization using rigid helical polyisocyanate ...


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