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Littérature scientifique sur le sujet « SYNTHESIS OF ACRYLAMIDE »

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Publié le 11 septembre 2023

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Articles de revues sur le sujet "SYNTHESIS OF ACRYLAMIDE"

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Chauhan, Ghanshyam S., Anita Kumari et Rakesh Sharma. « Synthesis and Characterization of Starch and Acrylamides Based Hydrogels ». Polymers and Polymer Composites 13, no 2 (février 2005) : 151–65. http://dx.doi.org/10.1177/096739110501300204.

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In order to synthesize a wide spectrum of hydrogels for drug delivery and environmental management technologies, starch was graft copolymerized with three acrylamides, viz: acrylamide, 2-acrylamido-2-methylpropanesulfonic acid and N-isopropyl acrylamide. The synthesis was carried out at two different temperatures, including the gelatinization temperature of starch (70 °C). A redox system, comprising of ammonium persulfate and ferrous ammonium sulfate (APS: FAS = 2.185 mM: 0.255 mM) was used to initiate the polymerization reactions. Using the same reaction conditions that were used to obtain graft copolymers, crosslinked networks of all three acrylamides and starch were also synthesized in the presence of various concentrations of N, N-methylene bisacrylamide as crosslinker, also at two different temperatures. The hydrogels were characterized by FT-IR and thermal studies to ascertain some of their structural aspects, and also to obtain evidence of network formation. Water uptake by hydrogels was studied as a function of time, temperature and pH. Some of the hydrogels were very good absorber of water and it was observed that the synthetic conditions affected their structure; hence their water uptake was also affected. The hydrogels were environment-sensitive and they showed significant volume transitions when small changes were made in their environment.
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Jiang, Shan Quan, Xiang Wei Sun, Zhao Xia Xie et Long Qin. « Study on Synthesis and Property of Anti-Salt Super Absorbent Resin ». Advanced Materials Research 873 (décembre 2013) : 683–88. http://dx.doi.org/10.4028/www.scientific.net/amr.873.683.

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The maleic acid ( MA )2-acrylamido-2-methylpropanesulfonic acid (AMPS) and acrylamide (PAMPS/AM/MA) superabsorbent copolymer was synthesized by aqueous solution polymerization with ammonium persulfate as initiator,N,N-methylene-bisacrylamide ( NMBA) as crosslinking agent. The influence of pH,mass ratio of AMPS to acrylamide ( AM) ,the amount of crosslinking agent and initiator,and reaction temperature on the absorption capability of water and salt solution were investigated. The results show that the water absorbency of the superabsorbent polymer prepared at the optimum condition in deionized water and in 0.9% NaCl solution is about 235 and 132g/g,respectively,and under the same conditions,the sample has more excellent water absorption and salt-resistance.
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Ren, Huanhuan, Zhankui Mei, Yangyang Chen, Shaojun Chen, Zaochuan Ge et Jinlian Hu. « Synthesis of zwitterionic acrylamide copolymers for biocompatible applications ». Journal of Bioactive and Compatible Polymers 33, no 1 (10 mai 2017) : 3–16. http://dx.doi.org/10.1177/0883911517707776.

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In order to prepare acrylamide copolymers with non-toxicity for environment-friendly materials, a series of zwitterionic acrylamide copolymers with varying acrylamide content were synthesized with DMAPS (3-dimethyl (methacryloyloxyethyl) ammonium propane sulfonate) and acrylamide via free radical polymerization. The structural properties and cytotoxicity are carefully investigated. The results demonstrate that DMAPS- co-acrylamide copolymers contain DMAPS and acrylamide segments that form a matrix consisting of strong electrostatic interactions as well as strong hydrogen bonding. DMAPS segments exhibit negligible influence on the glass phase transition behavior, yet affect the composite’s water-contact angle. The optimum hydrophilic properties are obtained by adjusting the acrylamide content to 50 wt%. All DMAPS- co-acrylamide copolymers are measured to be non-toxic. The DMAPS segments allow for suitable contribution to the biocompatibility of the synthesized copolymer, in which copolymers containing higher DMAPS content demonstrate better biocompatibility.
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Lin, Weiquan W., Larry R. Johnson, Marvin A. Friedman et Mohamed B. Abou-Donia. « In Vitro Studies of Acrylamide Neurotoxicity in Rat Pheochromocytoma (PC12) Cells ». Alternatives to Laboratory Animals 24, no 3 (juin 1996) : 359–66. http://dx.doi.org/10.1177/026119299602400309.

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This review discusses our studies on molecular mechanisms of acrylamide neurotoxicity by using the rat pheochromocytoma (PC12) cell line. The results showed that: a) acrylamide altered the gross morphology of PC12 cells; b) acrylamide induced neurofilament accumulation in PC12 cells; c) the effects of acrylamide on PC12 cells are consistent with its neurotoxicity in vivo; d) acrylamide stimulated neurofilament protein synthesis in PC12 cells; e) acrylamide did not act via nerve growth factor (NGF) receptor gp140trk to regulate neurofilament synthesis in PC12 cells; f) dexamethasone antagonised NGF and/or acrylamide-induced neurofilament protein synthesis and expression; and g) acrylamide differentially regulated the mRNA levels of three neurofilament subunit genes in PC12 cells. These molecular studies provide the first evidence that: a) there are distinctive and convergent signalling pathways for NGF-regulated and acrylamide-regulated neurofilament expression; b) acrylamide may differentially regulate the expression of each subunit, resulting in aberrant accumulation of neurofilament proteins; and c) there is a dexamethasone-sensitive signalling step common to NGF and acrylamide. These results could partially explain the mechanisms of neurofilament accumulation in distal axonal swellings, a pathognomonic feature of acrylamide neurotoxicity.
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Lei, Lei, Qi Zhang, Shuxian Shi et Shiping Zhu. « Oxygen-switchable thermo-responsive random copolymers ». Polymer Chemistry 7, no 34 (2016) : 5456–62. http://dx.doi.org/10.1039/c6py01145d.

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In this paper, we report the synthesis of oxygen (O2)-switchable thermo-responsive random copolymers based on fluorinated acrylamide monomer homologues: N-(2-fluoroethyl)acrylamide (F1EA), N-(2,2-difluoroethyl)acrylamide (F2EA), and N-(2,2,2-trifluoroethyl)acrylamide (F3EA).
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Taşar, Şeyda, et Ramazan Orhan. « Temperature-responsive Poly(acrylamide-co-N-isopropyl acrylamide) Hydrogel : Synthesis, Characterization, and Sorption Application ». Polymer Korea 44, no 1 (31 janvier 2020) : 49–60. http://dx.doi.org/10.7317/pk.2020.44.1.49.

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Wang, Jilong, Junhua Wei et Jingjing Qiu. « Facile Synthesis of Tough Double Network Hydrogel ». MRS Advances 1, no 27 (2016) : 1953–58. http://dx.doi.org/10.1557/adv.2016.127.

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ABSTRACTIn this paper, a facile and novel method was developed to fabricate high toughness and stiffness double network hydrogels made of ionical-linked natural hydrogel and synthetic hydrogel. The synthetic hydrogel network is formed firstly, and then the gel is soaked in the ionic solution to build second network to form double network hydrogel with high toughness and stiffness. Two different natural polymers, alginate and chitosan, are employed to build rigid and brittle network and poly(acrylamide) is used as soft network in double network hydrogel. The compressive strength of Calcium alginate/poly(acrylamide) double network hydrogels is increased twice than that of poly(acrylamide) single network hydrogels, and the Ca2+ ionically cross-linked alginate is the key to improve the compressive property of double network hydrogels as a sacrificial bond. However, the chitosan/poly(acrylamide) double network hydrogels exhibit no enhancement of compressive strength comparing to poly(acrylamide) single network hydrogels.
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Wang, Rui Jie, Lian Wei Yang, Han Dan Zhang et Tie Jun Geng. « Synthesis of Super Absorbent Resin from Starch/Bentonite ». Advanced Materials Research 873 (décembre 2013) : 708–12. http://dx.doi.org/10.4028/www.scientific.net/amr.873.708.

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The compound super absorbent resin was synthesized by starch, bentonite, acrylic acid and acrylamide, using microwave irradiation. Some key factors affecting the solution absorbency of the polymer such as the amount of bentonite, acrylamide, initiator and cross-linking agent have been discussed. The results showed that the optimal reaction conditions of cross-linking agent, initiator, neutralization degree, bentonite, phosphate starch are 0.045%, 0.32%, 70%, 10%, 3% when the weight ratio of acrylic acid and acrylamide was 2:1, the microwave power was 800W, the radiation time was 15min. Under the conditions, the pure water absorption rate of super absorbent resin was up to 796g/g. when the weight ratio of acrylic acid and acrylamide was 1:1, the absorption rate of 0.9% NaCl was 95g/g.
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Salin, Alexey V., et Rashid Z. Musin. « Synthesis of 2-d -acrylamide ». Journal of Labelled Compounds and Radiopharmaceuticals 61, no 8 (6 mars 2018) : 595–98. http://dx.doi.org/10.1002/jlcr.3603.

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Czarnecka, Elżbieta, et Jacek Nowaczyk. « Synthesis and Characterization Superabsorbent Polymers Made of Starch, Acrylic Acid, Acrylamide, Poly(Vinyl Alcohol), 2-Hydroxyethyl Methacrylate, 2-Acrylamido-2-methylpropane Sulfonic Acid ». International Journal of Molecular Sciences 22, no 9 (21 avril 2021) : 4325. http://dx.doi.org/10.3390/ijms22094325.

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Three polymers with excellent absorption properties were synthesized by graft polymerization: soluble starch-g-poly(acrylic acid-co-2-hydroxyethyl methacrylate), poly(vinyl alcohol)/potato starch-g-poly(acrylic acid-co-acrylamide), poly(vinyl alcohol)/potato starch-g-poly(acrylic acid-co-acrylamide-co-2-acrylamido-2-methylpropane sulfonic acid). Ammonium persulfate and potassium persulfate were used as initiators, while N,N′-methylenebisacrylamide was used as the crosslinking agent. The molecular structure of potato and soluble starch grafted by synthetic polymers was characterized by means of Fourier Transform Infrared Spectroscopy (FTIR). The morphology of the resulting materials was studied using a scanning electron microscope (SEM). Thermal stability was tested by thermogravimetric measurements. The absorption properties of the obtained biopolymers were tested in deionized water, sodium chroma solutions of various concentrations and in buffer solutions of various pH.
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Thèses sur le sujet "SYNTHESIS OF ACRYLAMIDE"

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Klimchuk, Keith Adrian. « Synthesis, characterization, and testing of acrylamide-based polymers ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0005/MQ34492.pdf.

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Abdollahi, Banouei Zohreh. « Inverse emulsion polymerization of acrylamide : synthesis, mechanism and monitoring ». Thesis, The University of Sydney, 2014. http://hdl.handle.net/2123/12661.

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Polyacrylamides (PAAMs) including both homo- and copolymers of acrylamide constitute the largest group of water soluble polymers which are used in various industrial applications. The common industrial method for the synthesis of high molecular weight PAAMs is inverse emulsion polymerization (IEP); however, considerable disagreement exists regarding the mechanism of IEP. Besides, the high polymerization rate of acrylamide has made the controllability of this system challenging for the industry. A new IEP recipe for synthesis of polyacrylamide using an industrial solvent (D80) and oil soluble initiator azobisiosbutyronitrile (AIBN) was developed in this study. The samples from the IEP reactor were monitored using TEM and optical microscopy for particle size and structure of latex while gravimetric method was applied for monitoring monomer conversion. The results indicated that the locus of reaction is micelles; however, with an increase in initiator concentration or a decrease in emulsifier concentration, the droplets also serve as loci of polymerization. As the alteration of electrical properties with any reaction is rapid, the novel idea of following IEP reactor using electrical impedance spectroscopy (EIS) was examined. Firstly, EIS successfully could detect critical micelle concentration of the emulsifier in the oils. We found that at the CMC a transition in conductance-concentration graph of the emulsifier/oils mixture at 1Hz occurs. From the slope of the graph after CMC, characteristics of the micelles were deduced. More importantly, we found that by using EIS it is feasible to monitor the key parameters of polymerization, such as monomer conversion and particles size and their number. The comparison of electrical responses of IEP using the oil soluble initiator with the redox initiator with definite droplet nucleation confirmed that droplet or micellar nucleation can be distinguished from electrical response of the reaction
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Ayazoglu, Neslihan. « Synthesis And Characterization Of Hydrogels From Allyl Methacrylate And Acrylamide Copolymer ». Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613098/index.pdf.

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Acrylamide based hydrogels were synthesized through copolymerization reaction of allyl methacrylate with acrylamide. Copolymerization reactions were carried out with solution polymerization in tetrahydrofuran by using &alpha
-&alpha
-azoisobutyronitrile as an initiator at 60 0 C. Three copolymer compositions were studied having 5, 15, 25 molar percentage of allyl methacrylate as feed concentrations. The synthesized copolymers were characterized by FTIR, NMR, DSC, TGA and GPC. 1H-NMR spectra were used to confirm the chemical structures of the copolymers and to determine the comonomer compositions of the copolymers. DSC and TGA analysis were conducted to determine the thermal properties of the copolymers and TGA results showed that copolymers have two step degradation behavior. Molecular weights of the copolymers were determined by GPC. Swelling capacities of the obtained hydrogels were investigated and swelling capacity of the gels reached to 77% as maximum value.
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Dotson, Michael Edward. « Improvements in Pamam Dendrimer Synthesis ». University of Cincinnati / OhioLINK, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=ucin998323664.

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Букартик, Н. М., О. М. Шевчук, С. Г. Борова, М. Р. Чобіт et В. С. Токарев. « Синтез та дослідження суперабсорбуючих гідрогелів на основі акриламіду ». Thesis, Сумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/52785.

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Останнім часом в світі проводяться інтенсивні дослідження з синтезу і вивчення властивостей полімерних гідрогелів через перспективність їх застосування в багатьох галузях, зокрема, в харчовій промисловості (як загущуючі агенти і т.п.), у фармацевтиці (як препарати для зв‘язування та контрольованого вивільнення ліків), електронних приладах та техніці (мікролінзи, лінзи зі змінною геометрією, матеріали для захисту від корозії і коротких замикань), біомедицині (для тканинної інженерії та регенеративної медицини, протиопікових пов’язок) тощо.
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Roos, Kevin. « Polyethers and polyamide-3 synthesis by monomer activated anionic polymerization ». Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0331/document.

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Ces travaux de thèse traitent de la polymérisation anionique combinée à deux méthodologies différentes d’activation du monomère visant à contrôler les réactivités des monomères et/ou des espèces actives lors de la propagation pour la synthèse de polyéthers et de polyamide-3. L’étude de nouveaux systèmes efficaces d’amorçage/propagation à base de magnésium et d’aluminium pour la polymérisation anionique par ouverture de cycles des époxydes substitués est présentée. Deux types de polyéthers réticulables ont également été synthétisés par l’utilisation de bromure de tétraoctylammonium et de triisobutyl-aluminium. Dans le premier cas, l’objectif est d’incorporer des fonctions furane pendantes le long des chaînes polyéthers. Dans le second cas il s’agit d’introduire des doubles liaisons au sein même du squelette polyéther. Les réticulations ont ensuite été effectuées thermiquement par le biais d’une chimie réversible de type Diels-Alder entre groupement furane et maléimide pour le premier cas et par vulcanisation pour le deuxième. Enfin, une étude menant à une compréhension mécanistique a été conduite sur la synthèse de polyamide-3 en masse par polymérisation par transfert d’hydrogène à partir de l’acrylamide
The studies presented in this thesis report on the use of the anionic polymerization with two different methodologies of monomer activation aiming to control the reactivity of monomers and/or growing species for the synthesis of polyethers and polyamide-3. New magnesium/aluminium active systems efficient for the anionic ringopening polymerization of substituted epoxides are proposed and developed. Cross-linkable polyethers were also synthesized by using the combination of tetraoctylammonium bromide with triisobutylaluminum. Furan groups or double bonds were introduced as pendant or inchain functions respectively in polyether-based materials. The so-formed polymers were cross-linked using reversible Diels-Alder reaction between furan and maleimide, and vulcanization for the double bonds. Finally, we investigated the mechanism of the hydrogentransfer polymerization of acrylamide in bulk conditions as a sustainable route to get polyamide-3
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Букартик, Н. М., М. Р. Чобіт, Р. М. Білозір, В. С. Токарев et С. Г. Борова. « Одержання карбоксил-І аміновмісних гідрогелів на основі акриламіду ». Thesis, Cумський державний університет, 2016. http://essuir.sumdu.edu.ua/handle/123456789/46480.

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На сьогоднішній день проводяться інтенсивні дослідження з синтезу та дослідження полімерних гідрогелів через перспективність їх застосування в багатьох галузях, зокрема, в харчовій промисловості, фармацевтиці, електронних приладах та техніці, біомедицині та біоінженерії. Фізико-хімічні та механічні властивості гідрогелів, а, отже, і сфери їх можливого використання визначаються природою полімеру, ступенем структурування, співвідношенням полімер : вода.
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Siyambalagoda, Gamage Pubudu Hasanka. « Synthesis and applications of ruthenium(II)quaterpyridinium complexes and Poly-N-isopropylacrylamide/ acrylic acid copolymers ». Diss., Kansas State University, 2009. http://hdl.handle.net/2097/4621.

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Doctor of Philosophy
Department of Chemistry
Stefan Bossmann
Tris-homoleptic ruthenium(II)-quaterpyridyl and quaterpyridinium complexes, with +8 and +14 charge were synthesized by utilizing high pressure reaction pathway. These complexes have diameters ranging from 1.82 to 4.55 nm according to the molecular modeling calculations. These ruthenium complexes are highly luminescent and contain long excited state life times. The novel ruthenium(II)-quaterpyridinium complexes exhibit superior reactivity as sensitizer-relay-assemblies (SRA‟s) in sacrificial systems for water and carbon dioxide reductions, while harvesting the ultraviolet- and most of the visible fraction of the incident solar spectrum. Ru(II)-quaterpyridinium complexes and Pd/TiO2 catalysts were successfully used as the catalytic system for the photo catalytic reduction of water and carbon dioxide to hydrogen and methane respectively. Phosphonate-tethered Ru(II)-quaterpyridinium complexes were synthesized from Ru(II)-tris-quaterpyridyl complexes. These complexes form stable adhesive layers on indium tin oxide (ITO) electrodes. A series of differential pulse voltammetry experiments were carried out to measure the ground state and excited state redox potentials of all the Ru(II)quaterpyridinium complexes. The reductive potentials obtained were compared with the reductive potentials of CO2 to CH4 and H2O to H2 reductions. The measurements obtained from the experiments confirmed that it is possible to thermodynamically oxidize water and reduce CO2 by using phosphonate-tethered Ru(II)-quaterpyridinium complexes. These complexes are successfully utilized as prototypes for mycobacterial channel blockers. The Ru(II) complexes show distinct changes in their luminescence spectra when bound to the porin MspA from M. smegmatis, which is a non-pathogenic relative of M. tuberculosis. By using HPLC, we have determined binding constants of the Ru(II)-complexes to MspA in phosphate buffer (0.05 M, pH = 6.8) ranging from 5.2 x 109 M-1 (Ru-C2) to 1.8 x 109 M-1 (Ru-C4). Our findings indicate that channel blocking is a promising treatment strategy for mycobacterial infections. Poly-N-isopropyl-acrylamide/acetic acid copolymers were synthesized and characterized by elemental analysis and gel permeation chromatography. The average composition of the copolymers determined from CHN analysis is in excellent correlation with the feed composition indicating that the radical polymerization process is indeed statistical. Crosslinking of individual polymer chains permitted the generation of ultraflat layers on Mica surfaces by a simple spin-casting procedure, which are able to host the mycobacterial channel protein MspA, while retaining its channel function.
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Bui, Nhat Thi Hong. « Polyhydroxyl and Polyphosphorylcholine functionalized Silica for Hydrophilic interaction liquid Chromatography- Synthesis, characterization and application ». Doctoral thesis, Umeå universitet, Kemiska institutionen, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-60600.

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This thesis focuses on the development of new stationary phases for use in hydrophilic interaction liquid chromatography using TRIS-based and phosphorylcholine typed monomers and porous silica particles as starting substrates. In this thesis, several ways of polymerizing highly hydrophilic mono­mers onto pore surfaces of silica supports are described, based on several “grafting from” schemes. “Controlled/living” radical polymerizations including atom transfer radical polymerization (ATRP) and iniferter-mediated polymerization in conjunction with conventional free radical polymerization are demonstrated to be successful tools for grafting different hydrophilic monomers (polyhydroxyl and phosphorylcholine [meth]acrylamide/acrylates) onto the silica surfaces. Reaction solvents are proven to play an essential role to achieve efficient graft polymerization of activated silica surfaces with these amphiphilic vinylic monomers, which is difficult because of their restricted access to the activated surface in solvents that can be used because of solubility constraints. Two tentacle TRIS-based polymer grafted silica, namely TRIS-WAX – TRIS functionality bonded to silica via a C–N–C imine bond and TRIS-Amide – TRIS bonded to silica via an amide bond, prove to be useful as stationary phases for hydrophilic interaction chromatography (HILIC).The TRIS-WAX exhibits a mixed mode hydrophilic partitioning and weak anion exchange (HILIC/WAX) retention mechanism while retention by hydrophilic partitioning is the dominant mechanism on the neutral TRIS-Amide phase which lacks weak anion exchange (WAX) properties. Interestingly, both these phases have selectivities that are radically different from most commercial HILIC stationary phases. Finally, a method is demonstrated for synthesizing a stratified (graft-copolymerized) silica material based on N,N′-methylenebisacrylamide and 2-methacryloyloxyethyl phosphorylcholine (MPC) using a “controlled/living” photoiniferter-mediated polymerization from the N,N-diethyldithiocarbamate iniferter moiety immobilized silica surfaces. This polymerization method proves to be successful for graft-blockcopolymerization of different highly hydrophilic monomers onto the activated surfaces of porous silica. In this way, silica surfaces are grafted with a cross-linked amide-based hydrogel, on top of which a tentacle zwitterionic phosphorylcholine-typed layer is synthesized. The resulted material proves to be useful for HILIC separations and possesses different selectivity for the tested organic acids compared to that of commercial ZIC-cHILIC stationary phase.
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Åberg, Ola. « Design and Synthesis of 11C-Labelled Compound Libraries for the Molecular Imaging of EGFr, VEGFr-2, AT1 and AT2 Receptors : Transition-Metal Mediated Carbonylations Using [11C]Carbon Monoxide ». Doctoral thesis, Uppsala universitet, Institutionen för biokemi och organisk kemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-98599.

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This work deals with radiochemistry and new approaches to develop novel PET tracers labelled with the radionuclide 11C. Two methods for the synthesis of 11C-labelled acrylamides have been explored. First, [1-11C]-acrylic acid was obtained from a palladium(0)-mediated 11C-carboxylation of acetylene with [11C]carbon monoxide; this could be converted to the corresponding acyl chloride and then combined with benzylamine to form N-benzyl[carbonyl-11C]acrylamide. In the second method, the palladium(0)-mediated carbonylation of vinyl halides with [11C]carbon monoxide was explored. This latter method, yielded labelled acrylamides in a single step with retention of configuration at the C=C double bond, and required less amine compared to the acetylene method. The vinyl halide method was used to synthesize a library of 11C-labelled EGFr-inhibitors in 7-61% decay corrected radiochemical yield via a combinatorial approach. The compounds were designed to target either the active or the inactive form of EGFr, following computational docking studies. The rhodium(I)-mediated carbonylative cross-coupling of an azide and an amine was shown to be a very general reaction and was used to synthesize a library of dual VEGFr-2/PDGFrβ inhibitors that were 11C-labelled at the urea position in 38-78% dc rcy. The angiotensin II AT1 receptor antagonist eprosartan was 11C-labelled at one of the carboxyl groups in one step using a palladium(0)-mediated carboxylation. Autoradiography shows specific binding in rat kidney, lung and adrenal cortex, and organ distribution shows a high accumulation in the intestines, kidneys and liver. Specific binding in frozen sections of human adrenal incidentalomas warrants further investigations of this tracer. Three angiotensin II AT2 ligands were 11C-labelled at the amide group in a palladium(0)-mediated aminocarbonylation in 16-36% dc rcy. One of the compounds was evaluated using in vitro using autoradiography, and in vivo using organ distribution and animal PET. The compound was metabolized fast and excreted via urine. High radioactivity was also found in the liver, meaning that more metabolically stable compounds are desirable for future development.
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Chapitres de livres sur le sujet "SYNTHESIS OF ACRYLAMIDE"

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Reichert, K. H. « Polymerization of Acrylamide in Inverse Emulsion ». Dans Recent Advances in Mechanistic and Synthetic Aspects of Polymerization, 325–34. Dordrecht : Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3989-9_25.

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Bahulekar, Raman, Junko Kano et Makoto Kodama. « Poly (Acrylamides) Containing Sugar Residues :Synthesis, Characterization and Cell Compatibility Studies ». Dans Advanced Biomaterials in Biomedical Engineering and Drug Delivery Systems, 223–24. Tokyo : Springer Japan, 1996. http://dx.doi.org/10.1007/978-4-431-65883-2_48.

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Heilmann, Steven M., Jerald K. Rasmussen, Larry R. Krepski et Howell K. Smith. « Functional, Telechelic Polymers Derived from Reactions of Nucleophilic Oligomers and Alkeynl Azlactones, Part I : Telechelic Acrylamides Derived from Reactions of Alkeynl Azlactones and Amine-Terminated Oligomers ». Dans Advances in Polymer Synthesis, 203–18. Boston, MA : Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2121-7_10.

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Ishizone, Takashi. « Synthesis of Well-Defined Poly(meth)acrylamides with Varied Stereoregularity by Living Anionic Polymerization ». Dans Complex Macromolecular Architectures, 431–60. Singapore : John Wiley & Sons (Asia) Pte Ltd, 2011. http://dx.doi.org/10.1002/9780470825150.ch14.

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Ilavský, Michal, et Karel Bouchal. « Phase Transition in Swollen Gels. 10. Effect of the Positive Charge and its Position in the Side Chain on the Collapse and Mechanical Behaviour of Poly(Acrylamide) Networks ». Dans Biological and Synthetic Polymer Networks, 435–47. Dordrecht : Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1343-1_29.

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Manzenrieder, Florian, et Horst Kessler. « Solid-Phase Synthesis of Phosphinic Dipepetide Isosteres and β Amino Acids via Activated N-Terminal Acrylamides ». Dans Advances in Experimental Medicine and Biology, 11–12. New York, NY : Springer New York, 2009. http://dx.doi.org/10.1007/978-0-387-73657-0_5.

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Pahuja, Sanuj, Rohit Prasad, Utkarsh Diwakar et Anil Kumar. « Synthesis of CMTKG Acrylamide-Urea Hydrogel and Its Application as a Fertilizer Delivery System ». Dans Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220746.

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Nitrogen (N) is a macronutrient which is required for growth of plants. The most common way of providing nitrogen to the plants is through urea fertilizers. With the increasing demand for crops, the usage and demand of urea as a fertilizer has also been increasing. A lot of nitrogen that is supplied in form of fertilizers actually gets wasted. Almost 40–70 % nitrogen supplied through urea is not utilized by plants, generating environmental problems like eutrophication, therefore there is a need of developing a fertilizer that will stop this wastage. The aim of this study was to use natural products like CMTKG for preparing crosslinked Urea hydrogel which can be used as a fertilizer releasing agent. This work reports the synthesis of hydrogel using Carboxymethyl tamarind kernel gum (CMTKG) with Acrylamide (AAm), a solution of Sodium Hydroxide (NaOH), and Methacrylic acid (MA). The initiator used for this synthesis was Potassium persulfate (KPS), crosslinker was N, N-methylenebis (acrylamide) (MBA). The hydrogel synthesis was confirmed by characterization with swelling tests in a different pH solutions including pH 4, pH 7, pH 9, and distilled water. After the swelling studies of the hydrogel swelling index and swelling equilibrium were determined. The prepared hydrogel showed degradable properties in the soil burial test.
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D. Adesina, Adebimpe. « The Chemistry of Benzo and Carbocyclic Derivatives of Pyridine ». Dans Exploring Chemistry with Pyridine Derivatives [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108127.

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The chemistry of pyridine and its derivatives is of considerable importance in the synthesis of intermediates leading to biologically active compounds and novel materials. Generally, derivatives of pyridine are stable and relatively unreactive but can be attacked by electrophiles at ring nitrogen and certain carbon atoms. Pyridines undergo radical substitution reactions preferentially at the 2-position. Simple pyridines and their benzo derivatives are weak bases that form salts with strong acids. Various Lewis acids form complexes with pyridine and its benzo derivatives. The quaternization of pyridine and its benzo derivatives using alkyl and acyl halides have been used as versatile synthetic intermediates to biologically active compounds as final products. Precursors to cyanine dyes have been prepared by means of the 1,4-addition of pyridines and quinolines to acrylamide. N-oxides, obtained by the oxidation of pyridine and its benzo analogues, are versatile intermediates in organic synthesis.
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Coelho, Fátima, et Dulce Simão. « 16.2. Synthesis of Copolymer from Acrylamide (AA), 2-Acrylamido-2-methylpropane-sulfonic Acid (AMPS) and N,N-Methyleno-bis-acrylamide (BA) ». Dans Comprehensive Organic Chemistry Experiments for the Laboratory Classroom, 849–52. The Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781849739634-00849.

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Bayashi, Kazukiyoko, Toshihiro Akaike et Taichi Usui. « [21] Synthesis of poly(N-acetyl-β-lactosaminide-carrying acrylamide) : Chemical-enzymatic hybrid process ». Dans Methods in Enzymology, 226–35. Elsevier, 1994. http://dx.doi.org/10.1016/0076-6879(94)42023-8.

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Actes de conférences sur le sujet "SYNTHESIS OF ACRYLAMIDE"

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Al-Bahate, Maha J. M., Kadhum M. Shabeeb et Bassam I. Khalil. « New synthesis polyvinyl chloride- graft- acrylamide membrane for wastewater treatment ». Dans XIAMEN-CUSTIPEN WORKSHOP ON THE EQUATION OF STATE OF DENSE NEUTRON-RICH MATTER IN THE ERA OF GRAVITATIONAL WAVE ASTRONOMY. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5116943.

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Zhanhua Huang, Xiaofeng Hu, Bin Zhang et Shouxin Liu. « Synthesis and flocculation of larch tannin/acrylamide/dimethyldiallylammonium chloride composite ». Dans 2011 International Symposium on Water Resource and Environmental Protection (ISWREP). IEEE, 2011. http://dx.doi.org/10.1109/iswrep.2011.5893509.

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Kumar, Gautam, Narendra Kumar Pandey, Suraj Pal Verma, Gazzal Mehta et Jitender Singh. « Guar gum-g-poly (acrylamide) : Microwave-assisted synthesis and characterization ». Dans THE FOURTH SCIENTIFIC CONFERENCE FOR ELECTRICAL ENGINEERING TECHNIQUES RESEARCH (EETR2022). AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0163471.

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Distantina, Sperisa, Widya Nur Ramadhani, Dimas Rizqi Damarjati Listyono et Nurul Hidayatun. « Microwave-assisted in synthesis of cassava bagasse-acrylamide-carrageenan bead gel ». Dans INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS : ICMEMS2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0129645.

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Amin, Saeful, Shelma Az Zahra et Dang Soni. « Synthesis and Characterization of Molecularly Imprinted Polymer Caffeine Using Acrylamide as Monomer ». Dans 2nd Bakti Tunas Husada-Health Science International Conference (BTH-HSIC 2019). Paris, France : Atlantis Press, 2020. http://dx.doi.org/10.2991/ahsr.k.200523.028.

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« Synthesis and Analysis of an Anti-Segregation Admixture Based on Acrylamide Copolymer ». Dans SP-354 : Superplasticizers and Other Chemical Admixtures in Concrete - Conference Proceedings. American Concrete Institute, 2022. http://dx.doi.org/10.14359/51736087.

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Ghomashi, F., S. Kooshki et B. Shokri. « Synthesis of sulfonated copolymers of acrylamide by plasma-initiated copolymerization using microwave plasma ». Dans 2011 IEEE 38th International Conference on Plasma Sciences (ICOPS). IEEE, 2011. http://dx.doi.org/10.1109/plasma.2011.5993388.

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Karmakar, G. P., et R. P. Singh. « Synthesis and Characterization of Starch - G - Acrylamide Copolymers for Improved Oil Recovery Operations ». Dans International Symposium on Oilfield Chemistry. Society of Petroleum Engineers, 1997. http://dx.doi.org/10.2118/37297-ms.

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Silva-Júnior, Edeildo, Gabriel Passos, Matheus Gomes, Thiago Aquino, Stephannie Souza, João Cavalcante, Elane Santos, Ênio Bassi et João Araújo-Júnior. « Design, synthesis and in vitro biological evaluation of acrylamide derivatives against Chikungunya virus ». Dans 5th International Electronic Conference on Medicinal Chemistry. Basel, Switzerland : MDPI, 2019. http://dx.doi.org/10.3390/ecmc2019-06379.

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Distantina, Sperisa, Ivan Satritama, Verania Arneta Putri et Ghea Safiraventa Anggreini. « Synthesis of superabsorbent (hydrogel) based on banana peel cellulose-acrylamide-carrageenan with microwave grafting method ». Dans INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS : ICMEMS2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0129655.

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