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Showing 1-30 of 46 results for "W241806" within Papers
Junliang Wu et al.
Journal of the American Chemical Society, 131(39), 13888-13889 (2009-09-15)
The direct cross-coupling of quinoline-N-oxides with olefin derivatives has been realized using palladium acetate as the catalyst in the absence of external ligand and oxidant to give the corresponding 2-alkenylated quinolines and 1-alkenylated isoquinolines chemo- and regioselectively in 27-95% yield.
Stanisław Popiel et al.
Analytica chimica acta, 837, 52-63 (2014-07-09)
Novel solid-phase microextraction (SPME) fibres containing methyl, ethyl, butyl acrylate and methacrylate were first prepared by a sol-gel technique and investigated for determination of selected organoarsenic compounds (lewisite, methyldichloroarsine, phenyldichloroarsine, diphenylchloroarsine and triphenylarsine) from water samples. The influence of sorption
Julia Kredel et al.
Polymers, 11(12) (2020-01-01)
Fluoropolymers represent a unique class of functional polymers due to their various interesting and important properties such as thermal stability, resistance toward chemicals, repellent behaviors, and their low refractive indices in comparison to other polymeric materials. Based on the latter
Cristina Martínez-Ramos et al.
Neuroscience letters, 598, 96-101 (2015-05-20)
The objective of the present study was to evaluate the biocompatibility and cell hosting ability of a copolymer scaffold based on ethyl acrylate (EA) and hydroxyl ethyl acrylate (HEA) in vivo after an experimental brain injury. Wistar rats were subjected
Sung Rae Kim et al.
International journal of nanomedicine, 10, 5263-5271 (2015-09-09)
Positively surface-charged poly(lactide-co-glycolide) (PLGA)/Eudragit RL nanoparticles (NPs) were designed to increase retention time and sustain release profile in joints after intra-articular injection, by forming micrometer-sized electrostatic aggregates with hyaluronic acid, an endogenous anionic polysaccharide found in high amounts in synovial
C M Antolinos-Turpín et al.
Biomaterials, 67, 254-263 (2015-08-02)
The aim of this paper is to present a method to produce macroporous thin membranes made of poly (ethyl acrylate-co-hydroxyethyl acrylate) copolymer network with varying cross-linking density for cell transplantation and prosthesis fabrication. The manufacture process is based on template
Anna E V Hagström et al.
Biotechnology and bioengineering, 102(3), 693-699 (2008-09-30)
An OH-functional polyester has been acrylated via transesterification of ethyl acrylate, catalyzed by Candida antarctica lipase B (CalB) in two different preparations: Novozym 435 and immobilized on Accurel MP1000. The batch process resulted in incomplete acrylation as well as severe
M Monier et al.
Journal of hazardous materials, 176(1-3), 348-355 (2009-12-08)
The graft copolymerization of ethyl acrylate (EA) onto natural wool fibers initiated by potassium persulphate and Mohr's salt redox initiator system in limited aqueous medium was carried out in heterogeneous media. Ester groups of the grafted copolymers were partially converted
Bin Wu et al.
Huan jing ke xue= Huanjing kexue, 32(12), 3647-3652 (2012-04-04)
A new quality and quantity analyzing method for waste gas from chemical industry, especially for acrylic acid ester using air-sampling combined with GC/MS and honeywell air purifier system was firstly advanced in this paper. According to the experiments, the maximum
Ursula Pérez-Ramírez et al.
Computer methods in biomechanics and biomedical engineering, 18(4), 446-455 (2013-08-21)
Anisotropy is one of the most meaningful determinants of biomechanical behaviour. This study employs micro-computed tomography (μCT) and image techniques for analysing the anisotropy of regenerative medicine polymer scaffolds. For this purpose, three three-dimensional anisotropy evaluation image methods were used:
José Carlos Rodríguez Hernández et al.
Macromolecular bioscience, 9(8), 766-775 (2009-05-08)
The influence of the surface fraction of OH groups on fibrinogen (FG) adsorption is investigated in copolymers of ethyl acrylate and hydroxy ethylacrylate. The amount of adsorbed FG, quantified by western-blotting combined with image analysis of the corresponding bands, decreases
Luo Mi et al.
Biomaterials, 31(10), 2919-2925 (2010-01-05)
In this work, we report a tunable mixed-charge copolymer surface containing positively charged quaternary amine monomers ([2-(acryloyloxy)ethyl] trimethyl ammonium chloride, TMA) and negatively-charged carboxylic acid monomers (2-carboxy ethyl acrylate, CAA). The non-fouling properties of this copolymer coating depend on environmental
Ying Lai et al.
Se pu = Chinese journal of chromatography, 30(1), 21-26 (2012-06-07)
A reliable gas chromatography-mass spectrometry (GC-MS) method was developed for the determination of 9 residual acrylic monomers (methyl acrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, n-butyl acrylate, butyl methacrylate, styrene, acrylic acid and methacrylic acid) in acrylic resins. Solid resin
Ethyl acrylate.
IARC monographs on the evaluation of carcinogenic risks to humans, 71 Pt 3, 1447-1457 (1999-09-07)
Fang Liu et al.
International journal of pharmaceutics, 485(1-2), 152-159 (2015-03-10)
Proton-pump inhibitor (PPI) products based on enteric coated multiparticulates are design to meet the needs of patients who cannot swallow tablets such as children and older adults. Enteric coated PPI preparations exhibit delays in in vivo absorption and onset of
Ikram Ullah Khan et al.
International journal of pharmaceutics, 473(1-2), 239-249 (2014-06-24)
A side-by-side capillaries microfluidic device was developed to fabricate drug loaded poly(acrylamide)/poly(methyl acrylate) Janus particles in the range of 59-240 μm by UV-assisted free radical polymerization. This system was characterized in terms of continuous and dispersed phases flow rates (Qc/Qd)
M Shahjahan Kabir et al.
The Journal of organic chemistry, 77(1), 300-310 (2011-11-15)
The stereospecific synthesis of aryloxy and amino substituted E- and Z-ethyl-3-acrylates is of interest because of their potential in the polymer industry and in medicinal chemistry. During work on a copper-catalyzed cross-coupling reaction of ethyl (E)- and (Z)-3-iodoacrylates with phenols
Aaron Mark Drucker et al.
Dermatitis : contact, atopic, occupational, drug, 22(2), 98-101 (2011-04-21)
Acrylates are present in a wide variety of products and cause occupational and non-occupational allergic contact dermatitis. There is no clear guidance from the literature as to which allergens should be used for patch-test screening for acrylates. To characterize patients
Ryan C Bennett et al.
The Journal of pharmacy and pharmacology, 67(7), 918-938 (2015-02-04)
This study focuses on the application of hot melt extrusion (HME) to produce solid dispersions containing griseofulvin (GF) and investigates the in-vitro dissolution performance of HME powders and resulting tablet compositions containing HME-processed dispersions. Binary, ternary and quaternary dispersions containing
Ikram Ullah Khan et al.
International journal of pharmaceutics, 493(1-2), 7-15 (2015-06-28)
In this study, we report on a novel method for the synthesis of poly(acrylamide) Trojan microparticles containing ketoprofen loaded poly(ethyl acrylate) or poly(methyl acrylate) nanoparticles. To develop these composite particles, a polymerizable nanoemulsion was used as a template. This nanoemulsion
Seiichiro Fujisawa et al.
Dental materials journal, 28(6), 722-729 (2009-12-19)
It has been established that the toxicity of acrylate and methacrylate monomers is driven by their reactivity towards glutathione (GSH). With this relationship, the objective of this study was to predict the GSH reactivity of dental methacrylate monomers, and hence
D Timothy Anstine et al.
Monatshefte fur chemie, 145(7), 1117-1135 (2014-08-12)
Three new linear pentapyrrole rubinoid analogs: 2,3,7,8,17,18,22,23-octamethyl-12,13-bis-(2-carboxyethyl)-1,10,15,24,25,27,28,29-octahydro-27H-pentapyrrin-1,24-dione and 2,3,8,12,13,17,22,23-octamethyl-7,18-bis-(2-carboxyethyl)-1,10,15,24,25,26,27,28,29-octahydro-27H-pentapyrrin-1,24-dione, and its 7,18-dihexanoic acid analog were synthesized, respectively, from 2,3,7,8-tetramethyl-(10H)-dipyrrin-2-one, from 2,3,8-trimethyl-7-[2-(methoxycarbonyl)ethyl]-(10H)-dipyrrinone, and 2,3,8-trimethyl-7-[5-(methoxycarbonyl)pentyl]-(10H)-dipyrrinone. 13C NMR and 1H NMR measurements in (CD3)2SO confirmed the pentapyrrole structures, while 1H NMR data indicate
Cristina Martínez-Ramos et al.
Journal of biomedical materials research. Part A, 103(10), 3293-3302 (2015-03-27)
The performance of a composite environment with human umbilical vein endothelial cells (HUVECs) has been studied to provide an in vitro proof of concept of their potential of being easily vascularized. These cells were seeded in 1 mm thick scaffolds
João M S de Barros et al.
Journal of pharmaceutical sciences, 103(7), 2022-2032 (2014-05-08)
Live bacterial cells (LBCs) are administered orally as attenuated vaccines to deliver biopharmaceutical agents and as probiotics to improve gastrointestinal (GI) health. However, LBCs present unique formulation challenges and must survive GI antimicrobial defenses including gastric acid after administration. We
Influence of the cultivation system in the aroma of the volatile compounds and total antioxidant activity of passion fruit
Janzantti NS, et al.
LWT--Food Science and Technology, 46(2), 511-518 (2012)
Kazuhiro Sato et al.
Macromolecular bioscience, 15(9), 1296-1303 (2015-05-29)
Six types of poly(2-methoxyethyl acrylate) (PMEA) analogues were synthesized and the water structure in the hydrated polymers was characterized using differential scanning calorimetry (DSC). The hydrated PMEA analogues exhibited the different amounts of intermediate water. Non-thrombogenicity evaluation was performed on
Burdock, GA
Encyclopedia of Food and Color Additives, 1, 945-946 (1997)
Shao-Hsien Huang et al.
Molecules (Basel, Switzerland), 15(1), 315-330 (2010-01-30)
A water-soluble and air-stable Pd(NH3)2Cl2/cationic 2,2'-bipyridyl system was found to be a highly-efficient and reusable catalyst for the coupling of aryl iodides and alkenes in neat water using Bu(3)N as a base. The reaction was conducted at 140 degrees C
Kentaro Nagane et al.
International journal of pharmaceutics, 493(1-2), 55-62 (2015-07-23)
The objective of this study is to prepare and characterize solid dispersions of nifedipine (NP) using porous spherical silicate micro beads (MB) that were approximately 100 μm in diameter with vinylpyrrolidone/vinyl acetate copolymer (PVP/VA) and a Wurster-type fluidized bed granulator.
Sadanand Pandey et al.
International journal of biological macromolecules, 49(4), 527-535 (2011-06-23)
Graft copolymer of xanthan gum (XG) and ethylacrylate (EA) has been synthesized by free radical polymerization using potassium peroxydisulfate (KPS) as an initiator in an air atmosphere. The grafting parameters, i.e. grafting ratio and efficiency decrease with increase in concentration
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