Showing 1-30 of 61 results for "

Tetraethylene glycol

"
Tetraethylene glycol diacrylate.
American Industrial Hygiene Association journal, 42(11), B49-B50 (1981-11-01)
J R Nethercott et al.
Journal of occupational medicine. : official publication of the Industrial Medical Association, 26(7), 513-516 (1984-07-01)
A woman who worked as a materials handler in a plant manufacturing acrylated chemicals developed allergic contact allergy to tetraethylene glycol diacrylate (TTEGDA). Four co-workers experienced skin irritation 12 to 36 hours after skin contact with TTEGDA but had no...
G P López et al.
Journal of biomedical materials research, 26(4), 415-439 (1992-04-01)
The glow discharge plasma deposition (GDPD) of tetraethylene glycol dimethyl ether is introduced as a novel method for obtaining surfaces that are resistant to protein adsorption and cellular attachment. Analysis of films by x-ray photoelectron spectroscopy and several biological assays...
Suraj Chandra Sharma et al.
Journal of oleo science, 59(9), 471-476 (2010-08-20)
We have studied the rheological properties of mixtures of polyoxyethylene (10 mol) phytosterol (PhyEO(10)) and polyoxyethylene (10 mol) cholesterol (ChEO(10)) mixed in different ratios along with tetraethylene glycol monododecyl ether (C(12)EO(4)) surfactants in water. Addition of C(12)EO(4) to the aqueous...
M Shen et al.
Journal of biomaterials science. Polymer edition, 12(9), 961-978 (2002-01-15)
Monocytes and macrophages play important roles in host responses to implanted biomedical devices. Monocyte and macrophage interactions with biomaterial surfaces are thought to be mediated by adsorbed adhesive proteins such as fibrinogen and fibronectin. Non-fouling surfaces that minimize protein adsorption...
Anne-Gaëlle Fournial et al.
Langmuir : the ACS journal of surfaces and colloids, 23(23), 11443-11450 (2007-10-13)
The binary phase diagram of tetraethylene glycol decanoyl ester (C9COE4) was investigated in the micellar region by PGSE-NMR (pulse field gradient spin echo nuclear magnetic resonance) and in the lamellar liquid crystalline state by 2H NMR. Its behavior was compared...
Xi Wang et al.
Dalton transactions (Cambridge, England : 2003), 47(27), 9096-9102 (2018-06-26)
A one-pot hydrothermal approach has been developed to introduce tetraethylene glycol (TEG) molecules into a two-dimensional (2D) layered lanthanide metal-organic framework ([Sm(H5C2P2O7)(H2O)2]·Guest, denoted SmHEDP-Guest). Through the straightforward loading of TEG, the proton conductivity of SmHEDP-TEG (1.21 × 10-3 S cm-1)...
Ramon Pons et al.
Langmuir : the ACS journal of surfaces and colloids, 26(4), 2256-2262 (2010-01-27)
A systematic study of the diluted lamellar phases of the OG/C(12)E(4) system with different alkanols has been carried out by small-angle X-ray scattering (SAXS). The measurements have been made as a function of both the concentration and the alcohol type....
M Cristina L Martins et al.
Acta biomaterialia, 7(5), 1949-1955 (2011-01-18)
Surfaces that bind heparin are important for biomaterials for blood deheparinization. In our recent work it was demonstrated that a polypeptide composed of L-lysine and L-leucine (pKL), after immobilization onto tetra(ethylene glycol) terminated self-assembled monolayers (EG4-SAMs), can bind heparin from...
Marta Medina-O'Donnell et al.
Fitoterapia, 120, 25-40 (2017-05-30)
A set of PEGylated derivatives of oleanolic and maslinic acids has been semi-synthesised, attaching ethylene glycol, diethylene glycol, triethylene glycol or tetraethylene glycol to the C-28 carboxyl group of these natural triterpenes and some derivatives. Another set of PEGylated derivatives...
Hui Ning et al.
The journal of physical chemistry. B, 110(22), 10746-10756 (2006-06-15)
We studied the thermal diffusion behavior of hexaethylene glycol monododecyl ether (C12E6) in water by means of thermal diffusion forced Rayleigh scattering (TDFRS) and determined Soret coefficients, thermal diffusion coefficients, and diffusion constants at different temperatures and concentrations. At low...
Lizhong He et al.
Langmuir : the ACS journal of surfaces and colloids, 21(25), 11666-11672 (2005-12-01)
Tethered bilayer lipid membranes (tBLMs) are described based on the self-assembly of a monolayer on template stripped gold of an archea analogue thiolipid, 2,3-di-o-phytanyl-sn-glycerol-1-tetraethylene glycol-d,l-alpha-lipoic acid ester lipid (DPTL), and a newly designed dilution molecule, tetraethylene glycol-d,l-alpha-lipoic acid ester (TEGL)....
Lisa F Becker et al.
Beilstein journal of organic chemistry, 10, 2920-2927 (2015-01-01)
Methyl and ethyl thioether groups were introduced at all primary positions of α-, β-, and γ-cyclodextrin by nucleophilic displacement reactions starting from the corresponding per-(6-deoxy-6-bromo)cyclodextrins. Further modification of all 2-OH positions by etherification with iodo terminated triethylene glycol monomethyl ether...
Nívea Regina de Godoy Fróes-Salgado et al.
Odontology, 103(2), 160-168 (2014-04-15)
This study evaluated the effect of the combination of two dimethacrylate-based monomers [bisphenol A diglycidyl dimethacrylate (BisGMA) or bisphenol A ethoxylated dimethacrylate (BisEMA)] with diluents either derived from ethylene glycol dimethacrylate (ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate...
Carrie A Simpson et al.
ACS nano, 5(5), 3577-3584 (2011-04-09)
Monolayer-protected gold nanoparticles have great potential as novel building blocks for the design of new drugs and therapeutics based on the easy ability to multifunctionalize them for biological targeting and drug activity. In order to create nanoparticles that are biocompatible...
Jinyoung Jeong et al.
Advanced materials (Deerfield Beach, Fla.), 24(15), 1999-2003 (2012-03-21)
Highly water-soluble and color-tunable photoluminescent fullerene nanoparticles are synthesized by using tetraethylene glycol (TEG) and lithium hydroxide as a catalyst. The maximum PL emission changes depend on the contents of the remaining π-conjugation in oxidized C(60), which is partially covalently...
F Kawai et al.
Applied and environmental microbiology, 40(4), 701-705 (1980-10-01)
Polyethylene glycol (PEG) dehydrogenase in crude extracts of a PEG 20,000-utilizing mixed culture was purified 24 times by precipitation with ammonium sulfate, solubilization with laurylbetaine, and chromatography with diethylamino-ethyl-cellulose, hydroxylapatite, and Sephadex G-200. The purified enzyme was confirmed to be...
Zi-Fu Wang et al.
Nucleic acids research, 40(17), 8711-8720 (2012-06-28)
Because various non-parallel G-quadruplexes of human telomeric sequences in K+ solution can be converted to a parallel G-quadruplex by adding polyethylene glycol (PEG) as a co-solvent, we have taken advantage of this property of PEG to study the covalent attachment...
Sepideh Zokaei et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 8(2), 2002778-2002778 (2021-01-30)
Polar polythiophenes with oligoethylene glycol side chains are exceedingly soft materials. A low glass transition temperature and low degree of crystallinity prevents their use as a bulk material. The synthesis of a copolymer comprising 1) soft polythiophene blocks with tetraethylene...
Eva Simánová et al.
Pest management science, 61(4), 383-389 (2005-03-08)
Equilibrium sorption of n-alkyl esters (dimethyl suberate, diethyl suberate, diethyl sebacate, dibutyl suberate and dibutyl sebacate) and monodisperse alcohol ethoxylates (diethylene glycol, tetraethylene glycol, pentaethylene glycol, hexaethylene glycol and octaethylene glycol monododecyl ether) between the reconstituted cuticular waxes of Stephanotis...
Françoise Borcard et al.
Journal of medicinal chemistry, 55(18), 7988-7997 (2012-08-18)
To control the selective adhesion of human endothelial cells and human serum proteins to bioceramics of different compositions, a multifunctional ligand containing a cyclic arginine-glycine-aspartate (RGD) peptide, a tetraethylene glycol spacer, and a gallate moiety was designed, synthesized, and characterized....
Behnusch Athenstädt et al.
Rapid communications in mass spectrometry : RCM, 26(16), 1810-1816 (2012-07-11)
Plastics are increasingly used as packaging materials for pharmaceuticals. However, diffusion of compounds in plastic into drugs may endanger patients' health. Regulatory authorities therefore demand detailed information about leachable compounds in plastics. Here we identify migrating components of a sterilization-resistant...
Hsiao-Lin Huang et al.
Journal of the Air & Waste Management Association (1995), 53(8), 983-991 (2003-08-29)
Previous research has demonstrated that an anionic surfactant can increase the solubility of the vapor phases of both naphthalene and sulfur dioxide in water. This study examines the feasibility of removing polycyclic aromatic hydrocarbons (PAHs) during gas absorption by adding...
Vidhi Malik et al.
International journal of molecular sciences, 21(15) (2020-08-06)
The anti-metastatic and anti-angiogenic activities of triethylene glycol derivatives have been reported. In this study, we investigated their molecular mechanism(s) using bioinformatics and experimental tools. By molecular dynamics analysis, we found that (i) triethylene glycol dimethacrylate (TD-10) and tetraethylene glycol...
V S Tsygankov et al.
Biofizika, 47(5), 858-863 (2002-10-26)
The physical state of water in a system of reversed micelles at different molar rations of H2O and a nonionic surfactant (tetraethylene glycol monododecyl ether, Brij 30) was studied by NMR spectroscopy. In addition, the effect of water on the...
Edyta Słupek et al.
Materials (Basel, Switzerland), 14(2) (2021-01-10)
The paper presents the screening of 20 deep eutectic solvents (DESs) composed of tetrapropylammonium bromide (TPABr) and glycols in various molar ratios, and 6 conventional solvents as absorbents for removal of siloxanes from model biogas stream. The screening was achieved...
Ji-Yeon Seong et al.
International journal of pharmaceutics, 314(1), 90-96 (2006-03-22)
Biocompatible and thermosensitive poly(organophosphazenes) with a lower critical solution temperature (LCST) below body temperature have been designed with the aim for the local delivery of peptide and protein drugs. These polymers could be synthesized by introducing short chain tri- or...
Qianli Zou et al.
Journal of medicinal chemistry, 58(20), 7949-7958 (2015-09-24)
A series of bis(arylidene)cycloalkanone photosensitizers modified by polyethylene glycol (PEG) have been studied for two-photon excited photodynamic therapy (2PE-PDT). As compared with their prototype compounds, these PEGylated photosensitizers show enhanced water solubilities while their photophysical and photochemical properties, including linear...
A Goessl et al.
Journal of biomaterials science. Polymer edition, 12(7), 739-753 (2001-10-06)
In this study we present methods to physico-chemically modify micropatterned cell culture substrates that were manufactured using plasma lithography to incorporate affinity structures for specific cell binding. The surfaces consist of a pattern of a fluorocarbon plasma polymer with feature...
Takumi Sugimoto et al.
Colloids and surfaces. B, Biointerfaces, 155, 449-458 (2017-05-04)
Dual-signal-sensitive copolymers were synthesized by copolymerization of methoxy diethylene glycol methacrylate, methacrylic acid, and lauroxy tetraethylene glycol methacrylate, which respectively provide temperature sensitivity, pH sensitivity, and anchoring to liposome surfaces. These novel copolymers, with water solubility that differs depending on...