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1. Formation of Polysulfone Hollow Fiber Membranes Using the Systems with Lower Critical Solution Temperature

Author:
Plisko, Tatiana V.; Bildyukevich, Alexandr V.; Zhao, Liang; Huang, Weiqing; Volkov, Vladimir V.; Huang, Zuohua
Source:
Fibers 2021 v.9 no.5
ISSN:
2079-6439
Subject:
polyethylene glycol,   etc   ; polyvinylpyrrolidone; separation; temperature;     Show all 4 Subjects
Abstract:
... This study deals with the investigation of the phase state of the polymer systems from polysulfone (PSF) with the addition of polyethylene glycol (PEG-400, Mₙ = 400 g·mol⁻¹) and polyvinylpyrrolidone (PVP K-30, Mₙ = 40,000 g·mol⁻¹) in N,N-dimethylacetamide (DMA), which feature lower critical solution temperatures (LCSTs). A fragment of the phase state diagram of the system PSF —PEG-400—PVP K-30—DMA ...
DOI:
10.3390/fib9050028

2. Slip transition in dynamic wetting for a generalized Navier boundary condition

Author:
Rougier, Valentin; Cellier, Julien; Gomina, Moussa; Bréard, Joël
Source:
Journal of colloid and interface science 2021 v.583 pp. 448-458
ISSN:
0021-9797
Subject:
polyethylene glycol,   etc   ; computers; contact angle;     Show all 3 Subjects
Abstract:
... Computer fluid dynamics simulations of dynamic wetting are often performed using a slip model on the substrate. In previous studies, the generalized Navier boundary condition (GNBC) has shown promising results and could help clear the gap between molecular and continuum scales, but lacks quantitative comparisons to experiments. We seek to investigate the dependence between the contact-line velocit ...
DOI:
10.1016/j.jcis.2020.09.015

3. Entropy-Driven Supramolecular Ring-Opening Polymerization of a Cyclic Hemoglobin Monomer for Constructing a Hemoglobin–PEG Alternating Polymer with Structural Regularity

Author:
Matsuhira, Takashi; Sakai, Hiromi
Source:
Biomacromolecules 2021 v.22 no.5 pp. 1944-1954
ISSN:
1526-4602
Subject:
polyethylene glycol,   etc   ; enthalpy; entropy; hemoglobin; polymerization;     Show all 5 Subjects
Abstract:
... Our earlier report described that a cyclic hemoglobin (Hb) monomer with two β subunits of a Hb molecule (α₂β₂) bound through a flexible polyethylene glycol (PEG) chain undergoes reversible supramolecular ring-opening polymerization (S-ROP) to produce a supramolecular Hb polymer with a Hb–PEG alternating structure. In this work, we polymerized cyclic Hb monomers with different ring sizes (2, 5, 10, ...
DOI:
10.1021/acs.biomac.1c00061

4. New phenazine based anolyte material for high voltage organic redox flow batteries

Author:
Romadina, Elena I.; Komarov, Denis S.; Stevenson, Keith J.; Troshin, Pavel A.
Source:
Chemical communications 2021 v.57 no.24 pp. 2986-2989
ISSN:
1364-548X
Subject:
polyethylene glycol,   etc   ; batteries; electric potential difference; solubility;     Show all 4 Subjects
Abstract:
... Herein, we report the synthesis and investigation of a novel phenazine derivative M1 with oligomeric ethylene glycol ether substituents as a promising anolyte material for non-aqueous organic redox flow batteries (RFBs). The designed material undergoes a reversible and stable reduction at −1.72 V vs. Ag/AgNO₃ and demonstrates excellent (>2.5 M) solubility in MeCN. A non-aqueous organic redox flow ...
DOI:
10.1039/d0cc07951k

5. Porous Polyamide Skeleton-Reinforced Solid-State Electrolyte: Enhanced Flexibility, Safety, and Electrochemical Performance

Author:
Xu, Yanjun; Zhang, Shengzhao; Liang, Taibo; Yao, Zhujun; Wang, Xiuli; Gu, Changdong; Xia, Xinhui; Tu, Jiangping
Source:
ACS applied materials & interfaces 2021 v.13 no.9 pp. 11018-11025
ISSN:
1944-8252
Subject:
polyethylene glycol,   etc   ; ceramics; electrochemistry; electrolytes; polyamides;     Show all 5 Subjects
Abstract:
... The growing demand for safer lithium-ion batteries draws researchers’ attention to solid-state electrolytes. In general, a desired electrolyte should be flexible, mechanically strong, and with high ionic conductivity. A solid-state electrolyte with a polymer as a matrix seems to be able to meet these demands. However, a pure polymer electrolyte lacks sufficient strength to suppress Li dendrites, a ...
DOI:
10.1021/acsami.1c00084

6. Standard Bacteriophage Purification Procedures Cause Loss in Numbers and Activity

Author:
Carroll-Portillo, Amanda; Coffman, Cristina N.; Varga, Matthew G.; Alcock, Joe; Singh, Sudha B.; Lin, Henry C.
Source:
Viruses 2021 v.13 no.2
ISSN:
1999-4915
Subject:
polyethylene glycol,   etc   ; bacteriophages; cesium; chlorides; purification methods;     Show all 5 Subjects
Abstract:
... For decades, bacteriophage purification has followed structured protocols focused on generating high concentrations of phage in manageable volumes. As research moves toward understanding complex phage populations, purification needs have shifted to maximize the amount of phage while maintaining diversity and activity. The effects of standard phage purification procedures such as polyethylene glyco ...
DOI:
10.3390/v13020328

7. Wall Density-Controlled Thermal Conductive and Mechanical Properties of Three-Dimensional Vertically Aligned Boron Nitride Network-Based Polymeric Composites

Author:
Jiang, Fang; Song, Na; Ouyang, Runhai; Ding, Peng
Source:
ACS applied materials & interfaces 2021 v.13 no.6 pp. 7556-7566
ISSN:
1944-8252
Subject:
polyethylene glycol,   etc   ; boron nitride; electronics; thermal conductivity;     Show all 4 Subjects
Abstract:
... Polymeric composites with good thermal conductive and improved mechanical properties are in high demand in the thermal management materials. Construction of a three-dimensional (3D) structure has been proved to be an effective method to obtain polymeric composites with improved through-plane thermal conductivity (TC) for efficient thermal management of electronics. However, the TC enhancement of t ...
DOI:
10.1021/acsami.0c22702

8. Polymer-induced polymorphism in a Zn-based metal organic framework

Author:
Westendorff, Karl S.; Paolucci, Chris; Giri, Gaurav
Source:
Chemical communications 2021 v.57 no.7 pp. 887-890
ISSN:
1364-548X
Subject:
polyethylene glycol,   etc   ; coordination polymers; ligands; phase transition;     Show all 4 Subjects
Abstract:
... Several MOF polymorphs exhibit enhanced properties compared to their previously known structures, motivating the development of polymorphic control methods. Here, we study polymorphism in the ZIF-8/ZIF-L system as a function of metal : ligand ratio during synthesis and show a significant shift in the phase transition point towards ZIF-8 with addition of dilute polyethylene oxide during synthesis. ...
DOI:
10.1039/d0cc07631g

9. Molecular Entrapment of Polymers by Pyrogallol[4]arenes

Author:
Shao, Li; Zhang, Hanwen; He, Xiaoqing; Hua, Bin; Hu, Xiangquan; Wan, Caixia; Kelley, Steven P.; Atwood, Jerry L.
Source:
Journal of the American Chemical Society 2021 v.143 no.2 pp. 693-698
ISSN:
1520-5126
Subject:
polyethylene glycol,   etc   ; aqueous solutions; aromatic hydrocarbons; pyrogallol;     Show all 4 Subjects
Abstract:
... Macromolecular recognition systems are difficult to construct because extremely high recognition ability is required to form a stable host–guest complex toward macromolecules. Herein, we report a novel host–guest recognition motif based on C-propylpyrogallol[4]arene (PgC₃) and a commercially available polymer, polyethylene glycol (PEG). The results show that PgC₃ can selectively entrap PEG with hi ...
DOI:
10.1021/jacs.0c12685

10. Determination of Trace Sulfonamides in Environmental Water and Milk Through Capillary Electrochromatography Using PEG-MoS2 as Stationary Phase

Author:
Cai, Zhimin; Wang, Xuan; An, Jianxin; Zhang, Qiqi; Jin, Xiaotong; Yin, Han; Shao, Yutong; Xiang, Yuhong; Ye, Nengsheng
Source:
Food analytical methods 2020 v.13 no.2 pp. 551-559
ISSN:
1936-9751
Subject:
polyethylene glycol,   etc   ; electrochromatography; milk;     Show all 3 Subjects
Abstract:
... In this work, a composite of polyethylene glycol (PEG) modified MoS₂ (PEG-MoS₂) was synthesized and used as the stationary phase of open-tubular capillary column via a chemical bonding strategy. The PEG-MoS₂ exhibited a sphere-like architecture through characterization of scanning electronic microscopy. p-phenylenediboronic acid was introduced as a linker to combine the PEG-MoS₂ with capillary col ...
DOI:
10.1007/s12161-019-01676-4

11. Novel flexible polyurethane/MXene composites with sensitive solar thermal energy storage behavior

Author:
Gong, Shang; Ding, Yang; Li, Xiaolong; Liu, Shuang; Wu, Hao; Lu, Xiang; Qu, Jinping
Source:
Composites 2021 v.149 pp. 106505
ISSN:
1359-835X
Subject:
polyethylene glycol,   etc   ; crosslinking; enthalpy; polyurethanes; solar thermal energy; strength (mechanics);     Show all 6 Subjects
Abstract:
... In this study, the novel flexible polyurethane/MXene solid–solid phase change materials (SSPCMs) with improved solar-to-thermal conversion efficiency and mechanical strength were constructed using polyethylene glycol (PEG)/MXene blends and hexamethylene diisocyanate trimer (HDIT) through an efficient polyurethane reaction. The obtained SSPCMs exhibit leakage-proof properties, which can be attribut ...
DOI:
10.1016/j.compositesa.2021.106505

12. Polymer-coated silver-iron nanoparticles as efficient and biodegradable MRI contrast agents

Author:
Amendola, Vincenzo; Guadagnini, Andrea; Agnoli, Stefano; Badocco, Denis; Pastore, Paolo; Fracasso, Giulio; Gerosa, Marco; Vurro, Federica; Busato, Alice; Marzola, Pasquina
Source:
Journal of colloid and interface science 2021 v.596 pp. 332-341
ISSN:
0021-9797
Subject:
polyethylene glycol,   etc   ; biochemical compounds; biocompatibility; biodegradability; biodegradation; iron oxides; liver;     Show all 7 Subjects
Abstract:
... Bimetallic nanoparticles allow new and synergistic properties compared to the monometallic equivalents, often leading to unexpected results. Here we present on silver-iron nanoparticles coated with polyethylene glycol, which exhibit a high transverse relaxivity (316 ± 13 mM⁻¹s⁻¹, > 3 times that of the most common clinical benchmark based on iron oxide), excellent colloidal stability and biocompati ...
DOI:
10.1016/j.jcis.2021.03.096

13. Highly elastic and mechanically robust polymer electrolytes with high ionic conductivity and adhesiveness for high-performance lithium metal batteries

Author:
Guo, Yue; Qu, Xinxin; Hu, Zhenyuan; Zhu, Jingjing; Niu, Wenwen; Liu, Xiaokong
Source:
Journal of materials chemistry A 2021 v.9 no.23 pp. 13597-13607
ISSN:
2050-7496
Subject:
polyethylene glycol,   etc   ; adhesion; ambient temperature; crosslinking; crystallization; electrolytes; lithium;     Show all 7 Subjects
Abstract:
... Due to the superior processability as well as readily-regulated mechanical and interfacial properties, polymer electrolytes are promising alternatives to inorganic solid electrolytes for lithium metal batteries (LMBs). However, polymer electrolytes that fulfill the requirements for application in LMBs are still quite rare. Herein, we report a highly stretchable and elastic, mechanically robust, an ...
DOI:
10.1039/d1ta02579a

14. Replacing Synperonic® N in the Physical Developer fingermark visualisation process: Reformulation

Author:
Thomas-Wilson, Amelia; Guo, Zi Ying; Luck, Robert; Hussey, Laura J.; Harmsworth, Megan; Coulston, Jodie L.; Hillman, A. Robert; Sears, Vaughn G.
Source:
Forensic science international 2021 v.323 pp. 110786
ISSN:
0379-0738
Subject:
polyethylene glycol,   etc   ; acetates; detergents; forensic sciences; micelles; United Kingdom;     Show all 6 Subjects
Abstract:
... The Physical Developer solution currently recommended for use in the United Kingdom for fingermark visualisation uses two surfactants: n-dodecylamine acetate (nDDAA) and Synperonic® N. Synperonic® N is covered by the EU directive 82/242/EEC, which sought to phase out chemicals with degradation products more harmful than their precursor. This study explores the replacement of Synperonic® N with alt ...
DOI:
10.1016/j.forsciint.2021.110786

15. Antifouling fluoropolymer-coated nanomaterials for ¹⁹F MRI

Author:
Jirak, Daniel; Svoboda, Jan; Filipová, Marcela; Pop-Georgievski, Ognen; Sedlacek, Ondrej
Source:
Chemical communications 2021 v.57 no.38 pp. 4718-4721
ISSN:
1364-548X
Subject:
polyethylene glycol,   etc   ; acrylamides; blood plasma; nanogold; water solubility;     Show all 5 Subjects
Abstract:
... We developed a multifunctional polymer coating for nanoparticles (NPs) that enables simultaneous detection by ¹⁹F MRI and shielding from blood plasma fouling. The coating is based on a water-soluble fluorinated poly(N-(2-fluoroethyl)acrylamide) (PFEAM) that shows high ¹⁹F MRI sensitivity, cytocompatibility and excellent antifouling properties, significantly outperforming polyethylene glycol. A pro ...
DOI:
10.1039/d1cc00642h

16. Pt/Ag Solid Solution Alloy Nanoparticles in Miscibility Gaps Synthesized by Cosputtering onto Liquid Polymers

Author:
Zhu, Mingbei; Nguyen, Mai Thanh; Chau, Yuen-ting Rachel; Deng, Lianlian; Yonezawa, Tetsu
Source:
Langmuir 2021 v.37 no.19 pp. 6096-6105
ISSN:
1520-5827
Subject:
polyethylene glycol,   etc   ; alloy nanoparticles; alloys; liquids; normal distribution; particle size;     Show all 6 Subjects
Abstract:
... Pt/Ag solid solution alloy nanoparticles (NPs) with mean size below 3 nm were obtained with composition in miscibility gaps by cosputtering onto liquid polyethylene glycol (PEG, MW = 600). Adjusting the sputtering currents from 10 to 50 mA did not influence the particle sizes obviously but caused a substantial difference in the composition and distributions of Pt/Ag NPs. This is different from spu ...
DOI:
10.1021/acs.langmuir.1c00916

17. Aqueous phase behavior of the PEO-containing non-ionic surfactant C12E6: A molecular dynamics simulation study

Author:
Guruge, Amali G.; Warren, Dallas B.; Benameur, Hassan; Pouton, Colin W.; Chalmers, David K.
Source:
Journal of colloid and interface science 2021 v.588 pp. 257-268
ISSN:
0021-9797
Subject:
polyethylene glycol,   etc   ; cosmetics; drugs; molecular dynamics; nonionic surfactants; physical phases;     Show all 6 Subjects
Abstract:
... Non-ionic surfactants containing polyethylene oxide (PEO) chains are widely used in drug formulations, cosmetics, paints, textiles and detergents. High quality molecular dynamics models for PEO surfactants can give us detailed, atomic-scale information about the behavior of surfactant/water mixtures.We used two molecular dynamics force fields (FFs), 2016H66 and 53A6DBW, to model the simple non-ion ...
DOI:
10.1016/j.jcis.2020.12.032

18. CO2-philic mixed matrix membranes based on low-molecular-weight polyethylene glycol and porous organic polymers

Author:
He, Rongrong; Cong, Shenzhen; Xu, Shuainan; Han, Shuangqiao; Guo, Haiyan; Liang, Zhengyong; Wang, Jing; Zhang, Yatao
Source:
Journal of membrane science 2021 v.624 pp. 119081
ISSN:
0376-7388
Subject:
polyethylene glycol,   etc   ; carbon dioxide; energy; ethylene oxide; permeability;     Show all 5 Subjects
Abstract:
... Membrane-based separation processes can efficiently capture CO₂ and reduce energy consumption. However, the synthesis of a CO₂-philic material which can replace traditional gas separation materials for advanced membrane separation faces numerous challenges. In this paper, we report the incorporation of porous organic polymers (POPs) and low-molecular-weight polyethylene glycol (PEG 400) into Pebax ...
DOI:
10.1016/j.memsci.2021.119081

19. A 2D–3D co-conduction effect in PEO-based all-solid-state batteries for long term cycle stability

Author:
He, Hao; Chai, Yuan; Zhang, Xinlong; Shi, Penghui; Fan, Jinchen; Xu, Qunjie; Min, Yulin
Source:
Journal of materials chemistry A 2021 v.9 no.14 pp. 9214-9227
ISSN:
2050-7496
Subject:
polyethylene glycol,   etc   ; batteries; density functional theory; electrochemistry; electrodes; electrolytes; lithium;     Show all 7 Subjects
Abstract:
... The insufficient ionic conductivity and serious interface problems of oxide-based solid electrolytes greatly limit the performance of all solid-state lithium rechargeable batteries. Herein, a new type of lithium-ion conductor oxide Li₁₉La₃₆Ga₇O₇₄ (LLGO) with a high bulk conductivity of 1.4 × 10⁻³ S cm⁻¹ which is higher than that of Li₇La₃Zr₂O₁₂ (LLZO, 7 × 10⁻⁴ S cm⁻¹) is synthesized to solve the p ...
DOI:
10.1039/d0ta10523f

20. Removal of optimal cutting temperature (O.C.T.) compound from embedded tissue for MALDI imaging of lipids

Author:
Truong, Jacob X. M.; Spotbeen, Xander; White, Jake; Swinnen, Johannes V.; Butler, Lisa M.; Snel, Marten F.; Trim, Paul J.
Source:
Analytical and bioanalytical chemistry 2021 v.413 no.10 pp. 2695-2708
ISSN:
1618-2642
Subject:
polyethylene glycol,   etc   ; analytical chemistry; desorption; lipids; mass spectrometry; protonation; temperature;     Show all 7 Subjects
Abstract:
... Matrix-assisted laser desorption/ionisation mass spectrometry imaging (MALDI-MSI) is a common molecular imaging modality used to characterise the abundance and spatial distribution of lipids in situ. There are several technical challenges predominantly involving sample pre-treatment and preparation which have complicated the analysis of clinical tissues by MALDI-MSI. Firstly, the common embedding ...
DOI:
10.1007/s00216-020-03128-z