Results 71 to 80 of about 4,939 (253)

Direct condensation of carboxylic acids with polyethylene glycols catalyzed by Sc(OTf)₃

, 2002
Esterification of soluble polymers by direct condensation of equimolar amounts of carboxylic acids with polyethylene glycols is achieved using catalytic Sc(OTf)3 in toluene for the first time. The first esterification of a soluble polymer by condensation
Shameem Sultana, S., Gree, R, Guillemin, J.C, Yadav, J.S, Chandrasekhar, S, Yadav, J. S., Narsihmulu, Ch, Narsihmulu, Ch., Gree, R., Chandrasekhar, S., Shameem Sultana, S, Guillemin, J. C.   +11 more
core   +1 more source

Fabrication Routes for Ionic Conducting Fiber Strain Sensors

Advanced Engineering Materials, EarlyView.
Ionic conducting fiber strain sensors (ICFSs) offer compliant, textile‐integrable sensing. Thus far, the commercialization of ICFSs has been constrained by fiber fabrication routes. This review provides a fabrication‐centric analysis of ICFSs correlating processing strategies with material properties and scalability.
Leo John Kershaw, Zhanhong Yang, Anne Ladegaard Skov, Magdalena Skowyra   +3 more
wiley   +1 more source

Тhe Viscosity Study of Naftifine Hydrochloride Solution with a Combination of Polyethylene Glycols

Разработка и регистрация лекарственных средств, 2019
Introduction. Naftifin hydrochloride is an antifungal drug from the allylamine group, which is used as a drug for external use in the treatment of onychomycosis. Quickly penetrates the skin and nails.
S. I. Kosenkova, I. I. Krasnyuk, I. I. Krasnyuk (jr.)   +2 more
doaj   +1 more source

Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions

Advanced Functional Materials, EarlyView.
DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng, Qian Yao, Yanan Sun, Hongyu Lv, Zhongchao Bai, Guoliang Zhang, Nana Wang, Jian Yang   +7 more
wiley   +1 more source

Composites of Shellac and Silver Nanowires as Flexible, Biobased, and Corrosion‐Resistant Transparent Conductive Electrodes

Advanced Functional Materials, EarlyView.
Shellac, a centuries‐old natural resin, is reimagined as a green material for flexible electronics. When combined with silver nanowires, shellac films deliver transparency, conductivity, and stability against humidity. These results position shellac as a sustainable alternative to synthetic polymers for transparent conductors in next‐generation ...
Rahaf Nafez Hussein, Tiago Carneiro Gomes, Eliza Ng, Simon Rondeau‐Gagné, Tricia Breen Carmichael   +4 more
wiley   +1 more source

Reactions of bis(chloromethyl) ethers of glycols with sodium alkoxides

, 2020
1. A study has been made of the chloromethylation of 1,2- and 1,3-propanediols, and this has resulted in the preparation of the two corresponding bis(chloromethyl) ethers, which have not been described previously. 2.
Arbuzov B., Vinokurova G.
core  

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

Fully Additive Vertical Organic Electrochemical Transistors on Renewable and Compostable Substrates Enable Ultrasensitive Bioelectronics

Advanced Functional Materials, EarlyView.
Fully additive vertical organic electrochemical transistors (vOECTs) with channel‐length of 226 nm on a 50 µm compostable substrate achieve >106 current modulation and ∼36 mS transconductance. Ion‐selective integration enables 1.1 mA dec−1 sensitivity and 36 µm detection limit, highlighting a scalable platform for sustainable electronics and ...
Giulia Frusconi, Samuele Lavelli, Zsolt M. Kovács‐Vajna, Fabrizio Torricelli   +3 more
wiley   +1 more source

Enhancing Dissolution of Ibuprofen via Solid Dispersion Using Hydrophilic Carrier and Fast Dissolving Sugars

Al-Mustansiriyah Journal of Pharmaceutical Sciences, 2014
In this study, solid dispersion using hydrophilic carriers (polyethylene glycols) and fast dissolving sugars (sorbitol and lactose) has been employed to enhance dissolution and hence the bioavailability of ibuprofen.
Wedad Kamal Ali, Methaq Hamad Sabar, Athmar Dhahir Habeeb, Zainb Hassan Mahdi   +3 more
doaj   +1 more source

New Modified Deoxythymine with Dibranched Tetraethylene Glycol Stabilizes G-Quadruplex Structures

Molecules, 2020
Methods for stabilizing G-quadruplex formation is a promising therapeutic approach for cancer treatment and other biomedical applications because stable G-quadruplexes efficiently inhibit biological reactions. Oligo and polyethylene glycols are promising
Hisae Tateishi-Karimata, Tatsuya Ohyama, Takahiro Muraoka, Shigenori Tanaka, Kazushi Kinbara, Naoki Sugimoto   +5 more
doaj   +1 more source