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Journal articles on the topic 'Chain self-assembly'

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1

Vella, Dominic, Emmanuel du Pontavice, Cameron L. Hall, and Alain Goriely. "The magneto-elastica : from self-buckling to self-assembly." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 470, no. 2162 (2014): 20130609. http://dx.doi.org/10.1098/rspa.2013.0609.

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Spherical neodymium–iron–boron magnets are permanent magnets that can be assembled into a variety of structures owing to their high magnetic strength. A one-dimensional chain of these magnets responds to mechanical loadings in a manner reminiscent of an elastic rod. We investigate the macroscopic mechanical properties of assemblies of ferromagnetic spheres by considering chains, rings and chiral cylinders of magnets. Based on energy estimates and simple experiments, we introduce an effective magnetic bending stiffness for a chain of magnets and show that, used in conjunction with classic resul
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2

Wang, Jiyu, and Zhen Li. "Molecular insights into the self-assembly of Janus nanoparticles obtained from coarse-grained molecular dynamics simulations." Journal of Physics: Conference Series 2783, no. 1 (2024): 012056. http://dx.doi.org/10.1088/1742-6596/2783/1/012056.

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Abstract Grafting polymeric chains onto surfaces of nanoparticles generates amphiphilic Janus nanoparticles (JNPs) that can self-assemble into a variety of well-ordered and/or functional nanostructures. The self-assembly structures of JNPs can be designed by the manipulation of grafting schemes, but only if the self-assembly rule can be well understood. By using coarse-grained molecular dynamics (CGMD) simulations, we investigated the self-assembly process and morphology of triblock JNPs with varying chain lengths, chain ratios, and grafting topology. The HTH type of JNPs which possesses a mid
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3

Xu, Li, and Xuxin Cheng. "Chain-Length Induced Structural Polymorphism for two-dimension self-assembly." Journal of Physics: Conference Series 2459, no. 1 (2023): 012076. http://dx.doi.org/10.1088/1742-6596/2459/1/012076.

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Abstract Structural polymorphism obtained through the 2D self-assembly which was made use of the chain-ength induced, has has aroused wide concern. On the one hand, owing to its significance meaning in crystal engineering, on the other hand, it has a broad application prospect in nano science and technolog.The assembly of symmetric 2, 7-bis (n-alkoxy) -9-fluorenone(F-OCn) with varying lengths of peripheral alkyl chains dissolved in homologous acids was investigated. The size and shape of molecules and the structure and position of substituents were critical factors that regulate the equilibriu
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4

Aljuaid, Nada, Mark Tully, Jani Seitsonen, Janne Ruokolainen, and Ian W. Hamley. "Benzene tricarboxamide derivatives with lipid and ethylene glycol chains self-assemble into distinct nanostructures driven by molecular packing." Chemical Communications 57, no. 67 (2021): 8360–63. http://dx.doi.org/10.1039/d1cc03437e.

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The self-assembly in aqueous solution of benzene-1,3,5-tricarboxamide (BTA) bearing one alkyl chain and two PEG (polyethylene glycol) chains or two alkyl chains and one PEG chain yields molecular-packing driven nanostructures.
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5

Geng, Jin, Dezhi Jiao, Urs Rauwald, and Oren A. Scherman. "An Aqueous Supramolecular Side-Chain Polymer Designed for Molecular Loading." Australian Journal of Chemistry 63, no. 4 (2010): 627. http://dx.doi.org/10.1071/ch10106.

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Hydrophilic copolymers containing recognition motifs based on 2-naphthol moieties in their side chains for the self-assembly with cucurbit[8]uril (CB[8]), have been prepared by reversible addition–fragmentation chain transfer polymerization. Self-assembly of the copolymer with both redox sensitive hydrophilic and hydrophobic viologen derivatives in the presence of CB[8] has been investigated.
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6

Douglas, Jack F., and Kevin Van Workum. "Lessons from simulation regarding the control of synthetic self-assembly." Journal of Materials Research 22, no. 1 (2007): 19–25. http://dx.doi.org/10.1557/jmr.2007.0011.

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We investigated the role of particle potential symmetry on self-assembly by Monte Carlo simulation with a particular view toward synthetically creating structures of prescribed form and function. First, we established a general tendency for the rotational potential symmetries of the particles to be locally preserved upon self-assembly. Specifically, we found that a dipolar particle potential, having a continuous rotational symmetry about the dipolar axis, gives rise to chain formation, while particles with multipolar potentials (e.g., square quadrupole) having discrete rotational symmetries le
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7

Pavlenko, Sophia A., Daniil E. Larin, and Elena N. Govorun. "Self-assembly of hydrophobic–amphiphilic diblock copolymers in solution." Journal of Physics: Condensed Matter 34, no. 12 (2022): 125001. http://dx.doi.org/10.1088/1361-648x/ac462c.

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Abstract Thermoresponsive polymers are usually characterized by a locally amphiphilic chain structure and their self-assembly in solution is controlled, in particular, by the surface activity of the monomer units or side chains. We theoretically study the condensed state of a single diblock copolymer molecule consisting of a hydrophobic block and amphiphilic block with hydrophobic groups in the backbone and pendant polar groups. The equilibrium parameters of the polymer globules of different shapes are determined using the mean-field approach to determine the most favorable structure. Morpholo
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8

Hu, Yi, Kai Miao, Li Xu, et al. "Two side chains, three supramolecules: exploration of fluorenone derivatives towards crystal engineering." Physical Chemistry Chemical Physics 19, no. 29 (2017): 19205–16. http://dx.doi.org/10.1039/c7cp03894a.

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9

Alvariño, Cristina, Damien Simond, Pau Moneva Lorente, Céline Besnard, and Alan F. Williams. "Chains, Necklaces and Weaving Chain-link Grids from Self-Assembly Reactions." Chemistry - A European Journal 21, no. 24 (2015): 8851–58. http://dx.doi.org/10.1002/chem.201501091.

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10

Zhang, Huan, Fan Pan, and Shiben Li. "Self-Assembly of Lipid Molecules under Shear Flows: A Dissipative Particle Dynamics Simulation Study." Biomolecules 13, no. 9 (2023): 1359. http://dx.doi.org/10.3390/biom13091359.

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The self-assembly of lipid molecules in aqueous solution under shear flows was investigated using the dissipative particle dynamics simulation method. Three cases were considered: zero shear flow, weak shear flow and strong shear flow. Various self-assembled structures, such as double layers, perforated double layers, hierarchical discs, micelles, and vesicles, were observed. The self-assembly behavior was investigated in equilibrium by constructing phase diagrams based on chain lengths. Results showed the remarkable influence of chain length, shear flow and solution concentration on the self-
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11

Hamoudi, Hicham, Zhiang Guo, Mirko Prato, et al. "On the self assembly of short chain alkanedithiols." Physical Chemistry Chemical Physics 10, no. 45 (2008): 6836. http://dx.doi.org/10.1039/b809760g.

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12

van Roekel, Hendrik W. H., Patrick J. M. Stals, Martijn A. J. Gillissen, Peter A. J. Hilbers, Albert J. Markvoort, and Tom F. A. de Greef. "Evaporative self-assembly of single-chain, polymeric nanoparticles." Chemical Communications 49, no. 30 (2013): 3122. http://dx.doi.org/10.1039/c3cc40931g.

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13

Yao, Xiaohong, Liliana Cseh, Xiangbing Zeng, Min Xue, Yongsong Liu, and Goran Ungar. "Body-centred cubic packing of spheres – the ultimate thermotropic assembly mode for highly divergent dendrons." Nanoscale Horizons 2, no. 1 (2017): 43–49. http://dx.doi.org/10.1039/c6nh00155f.

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Na salts of benzoic acid carrying five long alkoxy chains (“hyperbranched” AB5 minidendrons) self-assemble into spheres which shrink to half their size on heating and display chain back-folding, obeying the predictions of the proposed geometrical model of self-assembly of taper-shaped molecules.
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14

Liu, Shuai, Li Zhao, Yunlong Xiao, et al. "Allostery in molecular self-assemblies: metal ions triggered self-assembly and emissions of terthiophene." Chemical Communications 52, no. 27 (2016): 4876–79. http://dx.doi.org/10.1039/c6cc00492j.

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Allostery in molecular self-assembly: binding of Ag<sup>+</sup> to the head of a coordinating amphiphile TTC4L changes the emission color of the terthiophene group attached to the chain end via a conformation triggered self-assembly.
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15

ZHANG, Y., R. SHI, H. Q. XIONG, Y. ZHAI, and Y. K. SUN. "ONE-DIMENSIONAL MAGNETITE CHAINS OF NANOPARTICLES SYNTHESIS BY SELF-ASSEMBLY IN MAGNETIC FIELD." International Journal of Modern Physics B 19, no. 15n17 (2005): 2757–62. http://dx.doi.org/10.1142/s0217979205031651.

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Magnetite chains of spheres with different radii and lengths were prepared by aging ferrous hydroxide gel with 0.2M KNO3 under different external magnetic fields which induced the ultra-fine magnetite particles to combine into chain structure. The magnetite particle size and the chain length could be adjusted by varying the field intensity. The chains could be deposited on silicon substrates to form aligned structure in magnetic field. The hysteresis loops were measured in different directions by a vibrating sample magnetometer (VSM). The structure and magnetic properties were discussed.
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16

Yamakita, Yoshihiro, Issei Takeuchi, Kimiko Makino, Hiroshi Terada, Akihiko Kikuchi, and Kolio Troev. "Thermoresponsive Polyphosphoester via Polycondensation Reactions: Synthesis, Characterization, and Self-Assembly." Molecules 27, no. 18 (2022): 6006. http://dx.doi.org/10.3390/molecules27186006.

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Using a novel strategy, amphiphilic polyphosphoesters based on poly(oxyethylene H-phosphonate)s (POEHP) with different poly(ethylene glycol) segment lengths and aliphatic alcohols with various alkyl chain lengths were synthesized using polycondensation reactions. They were characterized by 1H NMR, 13C {H} NMR 31P NMR, IR, and size exclusion chromatography (SEC). The effects of the polymer structure on micelle formation and stability, micelle size, and critical micelle temperature were studied via dynamic light scattering (DLS). The hydrophilic/hydrophobic balance of these polymers can be contr
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17

Wang, Bin, Yingying Jian, Xue Jiang, et al. "Controlling Response of Polyaniline Towards Humidity by Self-Assembly Fatty Acids." ECS Journal of Solid State Science and Technology 11, no. 3 (2022): 037001. http://dx.doi.org/10.1149/2162-8777/ac56c1.

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Conductive polymers based sensors are potentially a powerful tool for detecting a variety of analytes in gas phase. However, the accuracy and reliability of such sensors are threatened by the humidity interference, which limits their use in demanding applications, e.g., air-quality monitoring and health care. Thus, there is an urgent need to suppress the response of conductive polymers to humidity. In this work, the surface of polyaniline (PANI) was modified by fatty acid to block the proton exchange between water molecules and PANI polymer chains and thus suppress the humidity response toward
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18

Chang, Wen-Ying, Dong Shi, Xu-Qiang Jiang, et al. "Precise polyethylene derivatives bearing mesogenic side-chains: delicate self-assembly depending on graft density." Polymer Chemistry 11, no. 8 (2020): 1454–61. http://dx.doi.org/10.1039/c9py01856e.

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19

Wei, Zheng, Shuzhe Zhu, and Hanying Zhao. "Brush macromolecules with thermo-sensitive coil backbones and pendant polypeptide side chains: synthesis, self-assembly and functionalization." Polymer Chemistry 6, no. 8 (2015): 1316–24. http://dx.doi.org/10.1039/c4py01268b.

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Macromolecular brushes with thermo-sensitive coil backbones and pendant poly(γ-benzyl-l-glutamate) side chains were synthesized by reversible addition–fragmentation chain transfer and ring-opening polymerization. Functionalization and self-assembly of the macromolecules were investigated.
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20

Pashirova, Tatiana N., Andrei V. Bogdanov, Lenar I. Musin, et al. "Nanoscale isoindigo-carriers: self-assembly and tunable properties." Beilstein Journal of Nanotechnology 8 (February 1, 2017): 313–24. http://dx.doi.org/10.3762/bjnano.8.34.

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Over the last decade isoindigo derivatives have attracted much attention due to their high potential in pharmacy and in the chemistry of materials. In addition, isoindigo derivatives can be modified to form supramolecular structures with tunable morphologies for the use in drug delivery. Amphiphilic long-chain dialkylated isoindigos have the ability to form stable solid nanoparticles via a simple nanoprecipitation technique. Their self-assembly was investigated using tensiometry, dynamic light scattering, spectrophotometry, and fluorometry. The critical association concentrations and aggregate
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21

Kim, Jihyun, Seon-Min Oh, Hui-Yun Kim, et al. "Self-assembly kinetics of short-chain glucan aggregates (SCGA)." Food Chemistry 403 (March 2023): 134361. http://dx.doi.org/10.1016/j.foodchem.2022.134361.

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22

Wen, Jianguo, Jing Zhang, Yue Zhang, Yongfang Yang, and Hanying Zhao. "Controlled self-assembly of amphiphilic monotailed single-chain nanoparticles." Polymer Chemistry 5, no. 13 (2014): 4032. http://dx.doi.org/10.1039/c4py00100a.

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23

Lu, Haojian, Yanting Liu, Yuanyuan Yang, Xiong Yang, Rong Tan, and Yajing Shen. "Self-Assembly Magnetic Chain Unit for Bulk Biomaterial Actuation." IEEE Robotics and Automation Letters 4, no. 2 (2019): 262–68. http://dx.doi.org/10.1109/lra.2018.2887205.

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24

Wen, Jianguo, Liang Yuan, Yongfang Yang, Li Liu, and Hanying Zhao. "Self-Assembly of Monotethered Single-Chain Nanoparticle Shape Amphiphiles." ACS Macro Letters 2, no. 2 (2013): 100–106. http://dx.doi.org/10.1021/mz300636x.

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25

Liu, Senyuan, Mohammad Sadegh Samie, and Radhakrishna Sureshkumar. "Vesicle Morphogenesis in Amphiphilic Triblock Copolymer Solutions." Colloids and Interfaces 8, no. 3 (2024): 29. http://dx.doi.org/10.3390/colloids8030029.

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Coarse-grained molecular dynamics simulations are employed to investigate the spatiotemporal evolution of vesicles (polymersomes) through the self-assembly of randomly distributed amphiphilic BAB triblock copolymers with hydrophilic A and hydrophobic B blocks in an aqueous solution. The vesiculation pathway consists of several intermediate structures, such as an interconnected network of copolymer aggregates, a cage of cylindrical micelles, and a lamellar cage. The cage-to-vesicle transition occurs at a constant aggregation number and practically eliminates the hydrophobic interfacial area bet
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26

Choueiri, Rachelle M., Elizabeth Galati, Anna Klinkova, Héloïse Thérien-Aubin, and Eugenia Kumacheva. "Linear assembly of patchy and non-patchy nanoparticles." Faraday Discussions 191 (2016): 189–204. http://dx.doi.org/10.1039/c6fd00057f.

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Linear assemblies of nanoparticles show promising applications due to their collective electronic, optical and magnetic properties. Rational design and controllable organization of nanoparticles in one-dimensional structures can strongly benefit from the marked similarity between conventional step-growth polymerization reactions and directional step-wise assembly of nanoparticles in linear chains. Here we show different aspects of the “polymerization” approach to the solution-based self-assembly of polymer-functionalized metal nanoparticles with different chemical compositions, shapes and dime
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27

Liu, Zhenzhong, Gongjun Zhang, Wei Lu, Youju Huang, Jiawei Zhang, and Tao Chen. "UV light-initiated RAFT polymerization induced self-assembly." Polymer Chemistry 6, no. 34 (2015): 6129–32. http://dx.doi.org/10.1039/c5py00907c.

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Reversible addition–fragmentation chain transfer (RAFT) polymerization induced self-assembly (PISA) initiated by UV light is exploited as a new strategy to prepare polymeric nanomicelles at room temperature.
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28

Tschierske, C., C. Nürnberger, H. Ebert, et al. "Complex tiling patterns in liquid crystals." Interface Focus 2, no. 5 (2011): 669–80. http://dx.doi.org/10.1098/rsfs.2011.0087.

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In this account recent progress in enhancing the complexity of liquid crystal self-assembly is highlighted. The discussed superstructures are formed mainly by polyphilic T-shaped and X-shaped molecules composed of a rod-like core, tethered with glycerol units at both ends and flexible non-polar chain(s) in lateral position, but also related inverted molecular structures are considered. A series of honeycomb phases composed of polygonal cylinders ranging from triangular to hexagonal, followed by giant cylinder honeycombs is observed for ternary T-shaped polyphiles on increasing the size of the
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Millone, María Antonieta Daza, Hicham Hamoudi, Luis Rodríguez, et al. "Self-Assembly of Alkanedithiols on Au(111) from Solution: Effect of Chain Length and Self-Assembly Conditions." Langmuir 25, no. 22 (2009): 12945–53. http://dx.doi.org/10.1021/la901601z.

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30

Marszalek, Tomasz, Mengmeng Li, and Wojciech Pisula. "Design directed self-assembly of donor–acceptor polymers." Chemical Communications 52, no. 73 (2016): 10938–47. http://dx.doi.org/10.1039/c6cc04523e.

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This review discusses the role of chemical design on the self-assembly of donor–acceptor polymers on surfaces. Three major structural factors are highlighted including molecular weight, side chain engineering and backbone curvature of the polymers.
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31

Peters, Kyle C., Shekar Mekala, Richard A. Gross, and Kenneth D. Singer. "Chiral inversion and enhanced cooperative self-assembly of biosurfactant-functionalized porphyrin chromophores." Journal of Materials Chemistry C 8, no. 14 (2020): 4675–79. http://dx.doi.org/10.1039/c9tc06829e.

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32

Huang, Wenyi, and Chang Dae Han. "Synthesis of Combined Main-Chain/Side-Chain Liquid-Crystalline Polymers via Self-Assembly." Macromolecules 39, no. 14 (2006): 4735–45. http://dx.doi.org/10.1021/ma052716q.

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33

WANG, HUI, YIFEI YU, YUBIN SUN, and QIANWANG CHEN. "MAGNETIC NANOCHAINS: A REVIEW." Nano 06, no. 01 (2011): 1–17. http://dx.doi.org/10.1142/s1793292011002305.

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One-dimensional (1D) chain-like structures are of special significance because of their interparticle magnetic interactions and potential applications in various fields, such as micromechanical sensors. This paper attempts to review the field of research into magnetic chains including monatomic chains and nanoparticle chains. The synthesis methods used mostly belong to one of the following categories: magnetosome chains in magnetotactic bacteria, zero-field self-assembly, magnetic field induced (MFI) assembly, template-directed synthesis, and gas phase synthesis. The potential applications of
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34

Zhang, Tong, Baoying Shen, and Xinghua Shi. "“Crawling” on the self-assembly system: A molecular simulation of peptide position adjusting over self-assembly block." MATEC Web of Conferences 189 (2018): 02002. http://dx.doi.org/10.1051/matecconf/201818902002.

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By combining non-equilibrium molecular dynamics(NEMD), umbrella sampling, and weighted histogram analysis method(WHAM), we calculated the potential of mean force of histidine peptide moving over a self-assembly structure. The reaction coordinate is along the main chain direction of the histidine peptide in the self-assembly structure. It is found that the energy needed for the histidine peptide with 3 and 5 residues while moving along the reaction coordinate is around -2.2 kCal/mol and -7.4 kCal/mol, respectively. And the histidine peptide crawls along the reaction coordinate, performing a sna
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35

Takahashi, Rintaro, Shotaro Miwa, Fabian H. Sobotta, et al. "Unraveling the kinetics of the structural development during polymerization-induced self-assembly: decoupling the polymerization and the micelle structure." Polymer Chemistry 11, no. 8 (2020): 1514–24. http://dx.doi.org/10.1039/c9py01810g.

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36

Bi, Sai, Shuzhen Yue, Qiang Wu, and Jiayan Ye. "Triggered and catalyzed self-assembly of hyperbranched DNA structures for logic operations and homogeneous CRET biosensing of microRNA." Chemical Communications 52, no. 31 (2016): 5455–58. http://dx.doi.org/10.1039/c6cc01308b.

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Toehold-mediated strand displacement-based nanocircuits are developed by integrating catalytic hairpin assembly with hybridization chain reaction, achieving self-assembly of hyperbranched DNA structures and amplified homogeneous CRET detection of microRNA.
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37

Guo, Yingying, and Linqing Bai. "Dissipative Particle Dynamics Simulation for the Self-Assembly of Symmetric Pentablock Terpolymers Melts under 1D Confinements." Polymers 15, no. 19 (2023): 3982. http://dx.doi.org/10.3390/polym15193982.

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The phase behavior of CBABC pentablock terpolymers confined in thin films is investigated using the Dissipative Particle Dynamic method. Phase diagrams are constructed and used to reveal how chain length (i-block length), block composition and wall selectivity influence the self-assembly structures. Under neutral walls, four categories of morphologies, i.e., perpendicular lamellae, core–shell types of microstructures, complex networks, and half-domain morphologies, are identified with the change in i-block length. Ordered structures are more common at weak polymer–polymer interaction strengths
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38

Desikan, Ramya, Sarah Armel, Harry M. Meyer III, and Thomas Thundat. "Effect of chain length on nanomechanics of alkanethiol self-assembly." Nanotechnology 18, no. 42 (2007): 424028. http://dx.doi.org/10.1088/0957-4484/18/42/424028.

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39

Cho, Byoung-Ki, Moon-Gun Choi, Wang-Cheol Zin, and Myongsoo Lee. "Supramolecular Nanostructures from Side Chain Rod−Coil Polymer Self-Assembly." Macromolecules 35, no. 12 (2002): 4845–48. http://dx.doi.org/10.1021/ma011676x.

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40

Xue, Yi, and Matthew B. Zimmt. "Tetris in monolayers: patterned self-assembly using side chain shape." Chemical Communications 47, no. 31 (2011): 8832. http://dx.doi.org/10.1039/c1cc12498f.

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41

Kindt, James T., and William M. Gelbart. "Chain self-assembly and phase transitions in semiflexible polymer systems." Journal of Chemical Physics 114, no. 3 (2001): 1432–39. http://dx.doi.org/10.1063/1.1332810.

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42

Kim, J., Y. Liu, S. J. Ahn, et al. "Self-Assembly and Properties of Main-Chain Reversible Polymer Brushes." Advanced Materials 17, no. 14 (2005): 1749–53. http://dx.doi.org/10.1002/adma.200401355.

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43

Zhou, Zukang, Benjamin Chu, and Dennis G. Peiffer. "Chain architecture and self-assembly of block copolymers in solution." Journal of Polymer Science Part B: Polymer Physics 32, no. 12 (1994): 2135–37. http://dx.doi.org/10.1002/polb.1994.090321220.

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44

Bhattacharjee, Rama Ranjan, and Tarun K. Mandal. "Polymer-mediated chain-like self-assembly of functionalized gold nanoparticles." Journal of Colloid and Interface Science 307, no. 1 (2007): 288–95. http://dx.doi.org/10.1016/j.jcis.2006.11.033.

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45

Chu, Benjamin, and Chi Wu. "Coil-globule transition: Self-assembly of a single polymer chain." Macromolecular Symposia 106, no. 1 (1996): 421–23. http://dx.doi.org/10.1002/masy.19961060140.

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46

Romulus, Joy, and Marcus Weck. "Single-Chain Polymer Self-Assembly Using Complementary Hydrogen Bonding Units." Macromolecular Rapid Communications 34, no. 19 (2013): 1518–23. http://dx.doi.org/10.1002/marc.201300501.

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47

Pandey, Gaurav, Prem Prakash Das, and Vibin Ramakrishnan. "Directive Effect of Chain Length in Modulating Peptide Nano-assemblies." Protein & Peptide Letters 27, no. 9 (2020): 923–29. http://dx.doi.org/10.2174/0929866527666200224114627.

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Background: RADA-4 (Ac-RADARADARADARADA-NH2) is the most extensively studied and marketed self-assembling peptide, forming hydrogel, used to create defined threedimensional microenvironments for cell culture applications. Objectives: In this work, we use various biophysical techniques to investigate the length dependency of RADA aggregation and assembly. Methods: We synthesized a series of RADA-N peptides, N ranging from 1 to 4, resulting in four peptides having 4, 8, 12, and 16 amino acids in their sequence. Through a combination of various biophysical methods including thioflavin T fluoresce
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48

Liu, Ai Xin. "Investigation on Self-Assembly in Binary Organogels Containing Benzimidazole/Benzothiazole and Alkyl Substituent Acids." Applied Mechanics and Materials 368-370 (August 2013): 752–55. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.752.

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The gelation behaviors and self-assembly of organogels composed of benzimidazole/benzothiazole derivatives and benzoic acid with single/multi-alkyl substituent chain in various organic solvents were investigated. Their gelation behaviors in 20 solvents were tested as new organic gelators. It showed that the number and length of alkyl substituent chains, and benzimidazole/benzothiazole segment, have played a crucial role in the gelation behavior of all gelator mixtures in various organic solvents. More alkyl chains in molecular skeletons in present gelators are favorable for the gelation of org
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49

Shrivastav, Gaurav P. "Self-Assembly of an Equimolar Mixture of Liquid Crystals and Magnetic Nanoparticles." Crystals 11, no. 7 (2021): 834. http://dx.doi.org/10.3390/cryst11070834.

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We studied the equilibrium self-assembly of an equimolar mixture of uniaxial liquid crystals (LCs) and magnetic nanoparticles (MNPs) using molecular dynamics simulations. The LCs are modeled by ellipsoids interacting via Gay–Berne potential, and MNPs are represented by dipolar soft spheres (DSS). We found that the LCs show isotropic, nematic, and smectic phases when the mixture is compressed at a fixed temperature. The DSS form chain-like structures, which remain randomly oriented at low densities where the LCs are in the isotropic phase. At intermediate and high densities, the DSS chains alig
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Hadasha, Waled, Mpho Mothunya, Niels Akeroyd, and Bert Klumperman. "Synthesis and Self-assembly of Amphiphilic Hetero-arm Molecular Brushes." Australian Journal of Chemistry 64, no. 8 (2011): 1100. http://dx.doi.org/10.1071/ch11213.

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Abstract:
We report the synthesis of amphiphilic hetero-arm molecular brushes (AMBs), which were prepared by a combination of ‘grafting from’ and ‘grafting onto’ methodologies. First, styrene-terminated polyethylene glycol macromonomer (VB-PEG12, ∼666 g mol–1) was copolymerized with maleic anhydride (MAnh) to yield a polymer containing hydrophilic PEG chains and reactive (MAnh) groups. Subsequently, the reactive MAnh units in the obtained polymer were modified via a ring-opening reaction using primary alkyl amines, with different alkyl chain lengths, as the nucleophile. In situ ring closure yielded the
APA, Harvard, Vancouver, ISO, and other styles
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