Results 91 to 100 of about 66,589 (353)

Temperature-Regulated Synthesis of Hyaluronic Acid-Interpenetrated Polyacrylamide/Poly(Acrylic Acid Sodium Salt) Semi-Interpenetrated Polymer Network Gel for the Removal of Methyl Violet

Gels
An alternative synthetic pathway was proposed for the optimization of synthesis to find a better correlation between the swelling and elasticity of hyaluronic acid-interpenetrated gels via temperature regulation.
Nida Özcan, Nermin Orakdogen
doaj   +1 more source

Efficient Synthesis of Narrowly Dispersed Brush Polymers via Living Ring-Opening Metathesis Polymerization of Macromonomers [PDF]

, 2009
Various macromonomers (MMs) were efficiently synthesized through the copper-catalyzed “click” coupling of a norbornene moiety to the chain end of poly(methylacrylate), poly(t-butylacrylate), and polystyrene that were prepared using atom transfer radical ...
Grubbs, Robert H., Kornfield, Julia A., Xia, Yan   +2 more
core   +1 more source

Synthesis of Fluorine-18 Functionalized Nanoparticles for use as in vivo Molecular Imaging Agents [PDF]

, 2008
Nanoparticles containing fluorine-18 were prepared from block copolymers made by ring opening metathesis polymerization (ROMP). Using the fast initiating ruthenium metathesis catalyst (H_2IMes)(pyr)_2(Cl)_2Ru=CHPh, low polydispersity amphiphilic block ...
, X. K., A. Guo, A. M. Morawski, A. M. Smith, C. C. Lee, C. Slugovc, C. W. Bielawski, C. W. Bielawski, D. F. Baban, D. W. Bartlett, E. D. Pressly, E. M. Jagoda, E. M. Rohren, F. Henselwood, F. M. Menger, G. J. Liu, H. A. Nabi, H. D. Maynard, H. Kobayashi, H. Maeda, H. Maeda, H. R. Ihre, I. Brigger, J. A. Love, J. B. Matson, J. Heidel, J. R. Heath, K. D. Camm, K. Fukukawa, L. Cai, L. H. Reddy, M. F. Ilker, M. Ferrari, M. L. Adams, M. L. Schipper, M. Licciardi, M. Rawat, N. K. Jain, N. Malik, R. Gref, R. Sinha, S. K. Hobbs, S. M. Lee, S. M. Moghimi, T. L. Choi, V. Bagalkot, V. P. Tochilin, V. P. Torchilin, V. P. Torchilin, V. P. Torchilin, W. J. M. Mulder, W. S. Seo, X. Michalet, Y. Matsumura, Z. Yang   +54 more
core   +3 more sources

Zwitterionic Self‐Assembled Monolayer for Simultaneous Noise Suppression and Hole Extraction in High‐Performance Near‐Infrared Organic Photodetectors

Advanced Functional Materials, EarlyView.
This study presents a new hole transporting material (HTM) mechanism for self‐assembled monolayers in near‐infrared organic photodetectors. The formation of zwitterions induces a strong electric field that significantly increases the work function of HTM‐coated indium tin oxide substrates. The devices exhibit low dark current and noise, along with high
Jiyoung Shin, Gyeong Min Lee, Juyeon Shin, Jaewoong Kim, Tae Hyuk Kim, Do Yeon Kim, Myeong In Kim, Kyeounghak Kim, Jae Won Shim, In Hwan Jung   +9 more
wiley   +1 more source

Counterion Dependent Side‐Chain Relaxation Stiffens a Chemically Doped Thienothiophene Copolymer

Advanced Functional Materials, EarlyView.
Oxidation of a thienothiophene copolymer, p(g3TT‐T2), via different doping strategies and dopant molecules resulted in materials with similar oxidation levels and a high electrical conductivity of ≈100 S cm−1. However, mechanical properties varied significantly, with sub‐glass transition temperatures and elastic moduli spanning from –44°C to –3°C and ...
Mariavittoria Craighero, Meghna Jha, Elsa Veronica Flores‐Vela, Joost Kimpel, Andreas Schaefer, Jiali Guo, Jesika Asatryan, Alberto Peinador Veiga, Shuichi Haraguchi, Per‐Anders Carlsson, Jaime Martín, Mariano Campoy‐Quiles, Christian Müller   +12 more
wiley   +1 more source

Synthesis and Characterization of Sulfonated Anionic Hyperbranched Polyglycerol Oleate Surfactant Based on Oleic Fatty Acid Palm Oil [PDF]

E3S Web of Conferences
Surfactant is a palm oil-based product that was rapidly developed. One type of surfactant with several advantages is anionic surfactant, known for its good emulsion, detergency, and thermal stability. The synthesis of this surfactant involved three steps:
Irawan Yan, Ghozan Misri, Meliana Yenny, Kuslianti Elnike, Prasetyaningrum Aji, Rabbuka Muhammad Adiguna, Afifah Dita Dwi   +6 more
doaj   +1 more source

Simple Method for the Preparation of Composites Based on PA6 and Partially Exfoliated Graphite [PDF]

, 2012
In the present work, the preparation of composite systems based on polyamide 6 (PA6) and exfoliated graphite was attempted by applying a simple procedure, which consists of a preliminary dispersion/exfoliation of graphite in the monomer, namely, ε ...
Bocchini, Sergio, Cavalleri, Ornella, Erika Simona Cozza, Frache, Alberto, Orietta Monticelli, Prati, Luigi   +5 more
core   +3 more sources

Ferroelectricity in Antiferromagnetic Wurtzite Nitrides

Advanced Functional Materials, EarlyView.
We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa, Lin‐Ding Yuan, Stephen D. Wilson, James M. Rondinelli   +3 more
wiley   +1 more source

Controlled macroscopic shape evolution of self-growing polymeric materials

Nature Communications
Living organisms absorb external nutrients to grow, changing their macroscopic shapes to meet various challenges through mass transport and integration.
Xinhong Xiong, Xiaozhuang Zhou, Haohui Zhang, Michael Aizenberg, Yuxing Yao, Yuhang Hu, Joanna Aizenberg, Jiaxi Cui   +7 more
doaj   +1 more source

Covalent Organic Frameworks for Photocatalytic CO2 Reduction: Metal Integration Principles, Strategies and Functions

Advanced Functional Materials, EarlyView.
Covalent organic frameworks (COFs) with metals have been recognized as versatile platforms for photocatalytic CO2 reduction (CO2PRR). Herein, an overview of metal integration strategies for COFs is systematically summarized. Regulatory mechanisms and structure–activity relationships between metal integration and COF‐based CO2PRR are emphasized.
Jie He, Minxian Zhang, Jinqiang Zhang, Hongqi Sun, Shaobin Wang, Xiaoguang Duan   +5 more
wiley   +1 more source