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Artigos de revistas sobre o tema "N-dimethylaminoethyl methacrylate"

Autor: Grafiati

Publicado: 25 de janeiro de 2025

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1

Li, Zibiao, Pei Lin Chee, Cally Owh, Rajamani Lakshminarayanan e Xian Jun Loh. "Safe and efficient membrane permeabilizing polymers based on PLLA for antibacterial applications". RSC Advances 6, n.º 34 (2016): 28947–55. http://dx.doi.org/10.1039/c6ra04531f.

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Highly active antibacterial poly(N,N-dimethylaminoethyl methacrylate)-block-poly(l-lactic acid)-block-poly(N,N-dimethylaminoethyl methacrylate) conjugated with poly(ethylene glycol) (D-PLLA-D@PEG) copolymers were synthesized.

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2

Ševčík, Stanislav, e Martin Přádný. "Quaternary salts of N,N-dimethylaminoethyl esters of pivalic and 2-methyl-3-methoxypropionic acid and their hydrolysis". Collection of Czechoslovak Chemical Communications 51, n.º 1 (1986): 206–14. http://dx.doi.org/10.1135/cccc19860206.

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The synthesis and kinetics of quaternization of model compounds of poly(N,N-dimethylaminoethyl methacrylate) in water-alcoholic solutions brought about by methyl iodide and the alkaline hydrolysis of products in water have been investigated. N,N-Dimethylaminoethyl pivalate was selected as a model of the structural unit of the reported polymer; N,N-dimethylaminoethyl-2-methyl-3-methoxypropionate was the model of the terminal unit of the anionically prepared polymer.

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3

Appold, Michael, Cristina Mari, Christina Lederle, Johannes Elbert, Claudia Schmidt, Ingo Ott, Bernd Stühn, Gilles Gasser e Markus Gallei. "Multi-stimuli responsive block copolymers as a smart release platform for a polypyridyl ruthenium complex". Polymer Chemistry 8, n.º 5 (2017): 890–900. http://dx.doi.org/10.1039/c6py02026g.

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An efficient protocol for the preparation of poly(N,N-dimethylaminoethyl methacrylate)(PDMAEMA)-based multi-stimuli responsive block copolymers (BCPs) with poly(methyl methacrylate) (PMMA)viaanionic polymerization protocols is presented.

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4

Kupczak, Maria, Anna Mielańczyk e Dorota Neugebauer. "The Influence of Polymer Composition on the Hydrolytic and Enzymatic Degradation of Polyesters and Their Block Copolymers with PDMAEMA". Materials 14, n.º 13 (29 de junho de 2021): 3636. http://dx.doi.org/10.3390/ma14133636.

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Well-defined, semi-degradable polyester/polymethacrylate block copolymers, based on ε-caprolactone (CL), d,l-lactide (DLLA), glycolide (GA) and N,N′-dimethylaminoethyl methacrylate (DMAEMA), were synthesized by ring-opening polymerization (ROP) and atom transfer radical polymerization. Comprehensive degradation studies of poly(ε-caprolactone)-block-poly(N,N′-dimethylaminoethyl methacrylate) (PCL-b-PDMAEMA) on hydrolytic degradation and enzymatic degradation were performed, and those results were compared with the corresponding aliphatic polyester (PCL). The solution pH did not affect the hydrolytic degradation rate of PCL (a 3% Mn loss after six weeks). The presence of a PDMAEMA component in the copolymer chain increased the hydrolysis rates and depended on the solution pH, as PCL-b-PDMAEMA degraded faster in an acidic environment (36% Mn loss determined) than in a slightly alkaline environment (27% Mn loss). Enzymatic degradation of PCL-b-PDMAEMA, poly(d,l-lactide)-block-poly(N,N′-dimethylaminoethyl methacrylate) (PLA-b-PDMAEMA) and poly(lactide-co-glycolide-co-ε-caprolactone)-block-poly(N,N′-dimethylaminoethyl methacrylate) (PLGC-b-PDMAEMA) and the corresponding aliphatic polyesters (PCL, PLA and PLGC) was performed by Novozyme 435. In enzymatic degradation, PLGC degraded almost completely after eleven days. For polyester-b-PDMAEMA copolymers, enzymatic degradation primarily involved the ester bonds in PDMAEMA side chains, and the rate of polyester degradation decreased with the increase in the chain length of PDMAEMA. Amphiphilic copolymers might be used for biomaterials with long-term or midterm applications such as nanoscale drug delivery systems with tunable degradation kinetics.

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5

Cao, Jun, Lifen Zhang, Xiangqiang Pan, Zhenping Cheng e Xiulin Zhu. "RAFT Copolymerization of Glycidyl Methacrylate andN,N-Dimethylaminoethyl Methacrylate". Chinese Journal of Chemistry 30, n.º 9 (setembro de 2012): 2138–44. http://dx.doi.org/10.1002/cjoc.201200625.

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6

Šoljić, Ivana, Ante Jukić e Zvonimir Janović. "Terpolymerization kinetics of N,N -dimethylaminoethyl methacrylate/alkyl methacrylate/styrene systems". Polymer Engineering & Science 50, n.º 3 (30 de novembro de 2009): 577–84. http://dx.doi.org/10.1002/pen.21573.

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7

Stawski, Dawid, e Aleksandra Nowak. "Thermal properties of poly(N,N-dimethylaminoethyl methacrylate)". PLOS ONE 14, n.º 6 (5 de junho de 2019): e0217441. http://dx.doi.org/10.1371/journal.pone.0217441.

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8

Sideridou-Karayannidou, I., e G. Seretoudi. "Copolymers of N-vinylcarbazole and N,N-dimethylaminoethyl methacrylate". Journal of Applied Polymer Science 64, n.º 9 (31 de maio de 1997): 1815–24. http://dx.doi.org/10.1002/(sici)1097-4628(19970531)64:9<1815::aid-app18>3.0.co;2-w.

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9

Zhu, Mingyuan, Guangqin Luo, Lihua Kang e Bin Dai. "Novel catalyst by immobilizing a phosphotungstic acid on polymer brushes and its application in oxidative desulfurization". RSC Adv. 4, n.º 32 (2014): 16769–76. http://dx.doi.org/10.1039/c4ra01367k.

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10

Seretoudi, Georgia, e Irini Sideridou. "Benzil/N,N-Dimethylaminoethyl Methacrylate System as Photoinitiator for Methyl Methacrylate Polymerization". Journal of Macromolecular Science, Part A 32, n.º 6 (junho de 1995): 1183–95. http://dx.doi.org/10.1080/10601329508011034.

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11

Zhao, Tengwen, Li Du, Ziyang Zhang, Na Li, Manman Wang e Qi Ren. "A poly(N,N-dimethylaminoethyl methacrylate-co-ethylene glycol dimethacrylate) monolith for direct solid-phase extraction of benzodiazepines from undiluted human urine". Analytical Methods 12, n.º 31 (2020): 3924–32. http://dx.doi.org/10.1039/d0ay01025a.

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A poly(N,N-dimethylaminoethyl methacrylate-co-ethylene glycol dimethacrylate) monolith was successfully synthesized and applied for direct solid-phase extraction of benzodiazepines from undiluted urine samples.

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12

Liang, Siwei, Jingyi Tang, Shun Yao e Weixia Zhu. "Removal characteristics of two anionic dyes by a polyethylenimine/poly(N,N-dimethylaminoethyl methacrylate) gel". RSC Advances 9, n.º 40 (2019): 22907–20. http://dx.doi.org/10.1039/c9ra04641k.

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The highly efficient gel obtained via the copolymerization of polyethylenimine and poly(N,N-dimethylaminoethyl methacrylate) was successfully applied to remove two anionic dyes (amaranth and sunset yellow) from their aqueous solutions.

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13

Chen, Xiaolu, Hui Sun, Jian Xu, Xia Han, Honglai Liu e Ying Hu. "pH-modulated double LCST behaviors with diverse aggregation processes of random-copolymer grafted silica nanoparticles in aqueous solution". RSC Advances 5, n.º 105 (2015): 86584–92. http://dx.doi.org/10.1039/c5ra13557e.

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Thermo-responsive hybrid nanoparticles composed of silica-core and poly(N,N-dimethylaminoethyl methacrylate-co-N-isopropylacrylamide) P(DMAEMA-co-NIPAM) copolymer-shell were prepared through a one-pot ATRP technique.

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14

Lindhoud, Saskia, e Mireille M. A. E. Claessens. "Accumulation of small protein molecules in a macroscopic complex coacervate". Soft Matter 12, n.º 2 (2016): 408–13. http://dx.doi.org/10.1039/c5sm02386f.

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By mixing the aqueous solutions of poly acrylic acid, poly-(N,N dimethylaminoethyl methacrylate) and lysozyme, complex coacervates with a protein concentration as high as 200 g L⁻¹ are obtained.

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15

Du, Wen Lin, Tie Wei Shen, Shi Jiang Wang, Guan Gen Ding, Yue Qiang Cao, Yi Min Wu e Run Hong Du. "Poly(N,N-Dimethylaminoethyl Methacrylate) Gas Separation Membranes". Advanced Materials Research 781-784 (setembro de 2013): 2565–68. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2565.

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Composite membranes comprised of a thin poly (N,N-dimethylaminoethyl methacrylate) layer and a microporous polysulfone substrate were prepared by coating method. The effects of parameters involved in the membrane preparation procedure on the permselectivity of the resulting membrane were investigated by a factorial design. The permeability of the membrane to N2, CH4 and CO2 was tested and the membrane showed a high permselectivity to CO2.

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16

Ould Kada, Zahra, Tahar Benaissa, Nisserine Hamini-Kadar e Sofiane Daoudi. "Synthesis and Antifungal Evaluation of Quaternary Ammonium Salts Derivatives of Dialkylaminoethyl Methacrylate Bearing 1,3,4-Oxadiazoles Moieties". International Letters of Chemistry, Physics and Astronomy 67 (junho de 2016): 36–41. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.67.36.

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Starting from lauric acid two novel quaternary ammonium salts containing 1,3,4-Oxadiazoles nucleus derivative from N,N-Diethylaminoethyl Methacrylate (DEAEMA) and N,N-Dimethylaminoethyl Methacrylate (DMAEMA) was successfully synthesized and characterized by IR, 1H and 13C NMR, All the synthesized compounds were evaluated for their preliminary in vitro antifungal activity against three fungal strains such as Fusarium oxysporum, Fusarium commune and Fusarium rodelens. The synthesized compounds showed promising antifungal potential against the phytopathogenic test fungi.

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17

Ould Kada, Zahra, Tahar Benaissa, Nisserine Hamini-Kadar e Sofiane Daoudi. "Synthesis and Antifungal Evaluation of Quaternary Ammonium Salts Derivatives of Dialkylaminoethyl Methacrylate Bearing 1,3,4-Oxadiazoles Moieties". International Letters of Chemistry, Physics and Astronomy 67 (30 de junho de 2016): 36–41. http://dx.doi.org/10.56431/p-1dklr7.

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Starting from lauric acid two novel quaternary ammonium salts containing 1,3,4-Oxadiazoles nucleus derivative from N,N-Diethylaminoethyl Methacrylate (DEAEMA) and N,N-Dimethylaminoethyl Methacrylate (DMAEMA) was successfully synthesized and characterized by IR, 1H and 13C NMR, All the synthesized compounds were evaluated for their preliminary in vitro antifungal activity against three fungal strains such as Fusarium oxysporum, Fusarium commune and Fusarium rodelens. The synthesized compounds showed promising antifungal potential against the phytopathogenic test fungi.

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18

Xing, Yuxiu, Jun Peng, Kai Xu, Shuxi Gao, Xuefeng Gui, Shengyuan Liang, Longfeng Sun e Mingcai Chen. "A soluble star-shaped silsesquioxane-cored polymer—towards novel stabilization of pH-dependent high internal phase emulsions". Physical Chemistry Chemical Physics 19, n.º 34 (2017): 23024–33. http://dx.doi.org/10.1039/c7cp03325g.

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A well-defined pH-responsive star-shaped polymer containing poly(N,N-dimethylaminoethyl methacrylate) (PDMA) arms and a cage-like methacryloxypropyl silsesquioxane (CMSQ-T₁₀) core was used as an interfacial stabilizer for emulsions consisting of m-xylene and water.

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19

Zhang, Qi, e Shiping Zhu. "Oxygen-Nitrogen Switchable Copolymers of 2,2,2-Trifluoroethyl Methacrylate andN,N-Dimethylaminoethyl Methacrylate". Macromolecular Rapid Communications 35, n.º 19 (1 de setembro de 2014): 1692–96. http://dx.doi.org/10.1002/marc.201400346.

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20

Kanerva, Lasse, Tuula Estlander e Riitta Jolanki. "Active sensitization caused by 2-hydroxyethyl methacrylate, 2-hydroxypropyl methacrylate, ethyleneglycol dimethacrylate and N,N-dimethylaminoethyl methacrylate". Journal of the European Academy of Dermatology and Venereology 1, n.º 3 (outubro de 1992): 165–69. http://dx.doi.org/10.1111/j.1468-3083.1992.tb00628.x.

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21

Du, Runhong, Xianshe Feng e Amit Chakma. "Poly(N,N-dimethylaminoethyl methacrylate)/polysulfone composite membranes for gas separations". Journal of Membrane Science 279, n.º 1-2 (1 de agosto de 2006): 76–85. http://dx.doi.org/10.1016/j.memsci.2005.11.048.

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22

Sakai, Yoshiro, Yoshihiko Sadaoka, Masanobu Matsuguchi e Tatsumi Saito. "Detection of carboxylic acid vapor using poly(N,N-dimethylaminoethyl methacrylate)". Sensors and Actuators B: Chemical 14, n.º 1-3 (junho de 1993): 625–26. http://dx.doi.org/10.1016/0925-4005(93)85120-y.

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23

Desnos, Gregoire, Adrien Rubio, Chaimaa Gomri, Mathias Gravelle, Vincent Ladmiral e Mona Semsarilar. "Semi-Fluorinated Di and Triblock Copolymer Nano-Objects Prepared via RAFT Alcoholic Dispersion Polymerization (PISA)". Polymers 13, n.º 15 (29 de julho de 2021): 2502. http://dx.doi.org/10.3390/polym13152502.

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A set of well-defined amphiphilic, semi-fluorinated di and triblock copolymers were synthesized via polymerization-induced self-assembly (PISA) under alcoholic dispersion polymerization conditions. This study investigates the influence of the length, nature and position of the solvophobic semi-fluorinated block. A poly(N,N-dimethylaminoethyl methacrylate) was used as the stabilizing block to prepare the di and tri block copolymer nano-objects via reversible addition-fragmentation chain transfer (RAFT) controlled dispersion polymerization at 70 °C in ethanol. Benzylmethacrylate (BzMA) and semi-fluorinated methacrylates and acrylates with 7 (heptafluorobutyl methacrylate (HFBMA)), 13 (heneicosafluorododecyl methacrylate (HCFDDMA)) and 21 (tridecafluorooctyl acrylate (TDFOA)) fluorine atoms were used as monomers for the core-forming blocks. The RAFT polymerization of these semi-fluorinated monomers was monitored by SEC and 1H NMR. The evolution of the self-assembled morphologies was investigated by transmission electron microscopy (TEM). The results demonstrate that the order of the blocks and the number of fluorine atoms influence the microphase segregation of the core-forming blocks and the final morphology of the nano-objects.

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24

Zhang, Wei, Jin Xin He, Qiong Liu, Gang Qiang Ke e Xia Dong. "Synthesis of Block Terpolymer PS-PDMAEMA-PMMA via ATRP and its Self-Assembly in Selective Solvents". Advanced Materials Research 1049-1050 (outubro de 2014): 137–41. http://dx.doi.org/10.4028/www.scientific.net/amr.1049-1050.137.

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Well-defined triblock terpolymer polystyrene-block-poly (N,N-Dimethylaminoethyl methacrylate)-block-poly (methyl methacrylate) (PS-PDMAEMA-PMMA) is synthesized via sequential Atom transfer radical polymerization (ATRP) with designed molecular weights characterized by HNMR and GPC. Annealing in Chloroform which is a selective solvent for PS and PMMA induces the formation of micelles with patchy coronas, and subsequent dialysis against cyclohexane which is selective only for PS enables the stacking of the precursor micelles into core-compartmentalized self-assemblies. The micellizatinon and self-assembly behaviors are investigated via DLS and TEM.

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25

Verezhnikov, V. N., T. V. Plaksitskaya e T. N. Poyarkova. "pH-thermosensitive behavior of N,N-dimethylaminoethyl methacrylate (Co)polymers with N-vinylcaprolactam". Polymer Science Series A 48, n.º 8 (agosto de 2006): 870–74. http://dx.doi.org/10.1134/s0965545x0608013x.

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26

You, Jin-Oh, e Debra T. Auguste. "Feedback-regulated paclitaxel delivery based on poly(N,N-dimethylaminoethyl methacrylate-co-2-hydroxyethyl methacrylate) nanoparticles". Biomaterials 29, n.º 12 (abril de 2008): 1950–57. http://dx.doi.org/10.1016/j.biomaterials.2007.12.041.

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27

Andreeva, L. N., S. V. Bushin, M. A. Bezrukova, T. N. Nekrasova, R. T. Imanbaev, V. D. Pautov, O. V. Nazarova, Yu I. Zolotova e E. F. Panarin. "Conformation properties of poly(N,N-dimethylaminoethyl methacrylate) macromolecules in various solvents". Russian Journal of Applied Chemistry 85, n.º 3 (março de 2012): 417–25. http://dx.doi.org/10.1134/s1070427212030172.

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28

Li, Xiao-Ying, Rui Xie, Feng Luo, Zhi-Han Jia, Kun Shi, Xiao-Jie Ju, Wei Wang, Zhuang Liu e Liang-Yin Chu. "CO2-responsive poly(N,N-dimethylaminoethyl methacrylate) hydrogels with fast responsive rate". Journal of the Taiwan Institute of Chemical Engineers 94 (janeiro de 2019): 135–42. http://dx.doi.org/10.1016/j.jtice.2018.03.006.

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29

Cho, Sun Hang, Mu Shik Jhon, Soon Hong Yuk e Hai Bang Lee. "Temperature-induced phase transition of poly(N,N-dimethylaminoethyl methacrylate-co-acrylamide)". Journal of Polymer Science Part B: Polymer Physics 35, n.º 4 (março de 1997): 595–98. http://dx.doi.org/10.1002/(sici)1099-0488(199703)35:4<595::aid-polb7>3.0.co;2-p.

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30

Assem, Yasser, A. I. Khalaf, A. M. Rabia, A. A. Yehia e T. A. Zidan. "Synthesis and characterization of hybrid clay/poly (N ,N- dimethylaminoethyl methacrylate) nanocomposites". Polymer Composites 37, n.º 10 (18 de abril de 2015): 2950–59. http://dx.doi.org/10.1002/pc.23492.

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31

Tang, Xin De, Xin Wang e Yuan Yuan Dou. "Triply-Responsive Poly(N,N-Dimethylaminoethyl Mathacrylate) with an Azobenzene Moiety". Materials Science Forum 663-665 (novembro de 2010): 1049–52. http://dx.doi.org/10.4028/www.scientific.net/msf.663-665.1049.

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A serious of triply-responsive poly(N,N-dimethylaminoethyl methacrylate) (PMAEMA) containing an azobenzene group as the terminal group were synthesized by atom transfer radical polymerization (ATRP). The ATRP process of DMAEMA was initiated by an azobenzene derivative substituted with a 2-bromoisobutyryl group (Azo-Br) using CuCl/Me6TREN as catalyst and the mixture of DMA and H2O (v/v = 3:1) as solvent. The molecular weights and their distributions of the resulting homopolymers (Azo-PDMAEMA) were characterized by gel permeation chromatography (GPC). The polymers are soluble in aqueous media and exhibit a lower critical solution temperature (LCST) that alternated reversibly in response to pH and photoisomerization of the terminal azobenzene moiety. It was found that the LCST increased as pH decreased in the range of testing. Under UV light irradiation, the trans-to-cis photoisomerization of the azobenzene moiety resulted in a higher LCST, while it recovered under visible light irradiation.

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32

Du, Runhong, e Jiasen Zhao. "Properties of poly (N,N-dimethylaminoethyl methacrylate)/polysulfone positively charged composite nanofiltration membrane". Journal of Membrane Science 239, n.º 2 (agosto de 2004): 183–88. http://dx.doi.org/10.1016/j.memsci.2004.03.029.

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33

Razumovskii, L. P., V. G. Zaikov, T. V. Druzhinina, M. O. Lyshevskaya e L. S. Gal'braikh. "Water Sorption by Graft Copolymers of Polyamide and Poly-N,N-Dimethylaminoethyl Methacrylate". International Journal of Polymeric Materials and Polymeric Biomaterials 16, n.º 1-4 (fevereiro de 1992): 213–19. http://dx.doi.org/10.1080/00914039208035424.

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34

Zhu, Shenmin, Na Yang e Di Zhang. "Poly(N,N-dimethylaminoethyl methacrylate) modification of activated carbon for copper ions removal". Materials Chemistry and Physics 113, n.º 2-3 (fevereiro de 2009): 784–89. http://dx.doi.org/10.1016/j.matchemphys.2008.08.025.

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35

Khelfallah, Nawel S., Maxim Peretolchin, Markus Klapper e Klaus M�llen. "Controlled radical polymerization of N,N-dimethylaminoethyl methacrylate using triazolinyl as counter radical". Polymer Bulletin 53, n.º 5-6 (24 de fevereiro de 2005): 295–304. http://dx.doi.org/10.1007/s00289-005-0352-y.

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36

Razumovskii, L. P., V. G. Zaikov, T. V. Druzhinina, M. O. Lyshevskaya e L. S. Gal'braikh. "Water sorption by graft copolymers of polyamide and poly(N,N-dimethylaminoethyl methacrylate)". European Polymer Journal 28, n.º 2 (fevereiro de 1992): 203–5. http://dx.doi.org/10.1016/0014-3057(92)90309-p.

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37

Du, Runhong, e Jiasen Zhao. "Positively charged composite nanofiltration membrane prepared by poly(N,N-dimethylaminoethyl methacrylate)/polysulfone". Journal of Applied Polymer Science 91, n.º 4 (2003): 2721–28. http://dx.doi.org/10.1002/app.13477.

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38

Abdellaoui, Naima, Fouad Mouloud Laoui, Hamza Cerbah e Omar Arous. "Preparation of poly (N ,N -dimethylaminoethyl methacrylate) (PDAEM) membranes: Application for water purification". Journal of Applied Polymer Science 135, n.º 32 (2 de maio de 2018): 46592. http://dx.doi.org/10.1002/app.46592.

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39

Karesoja, Mikko, Erno Karjalainen, Sami Hietala e Heikki Tenhu. "Phase Separation of Aqueous Poly(2-dimethylaminoethyl methacrylate-block-N-vinylcaprolactams)". Journal of Physical Chemistry B 118, n.º 36 (2 de setembro de 2014): 10776–84. http://dx.doi.org/10.1021/jp5062368.

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40

Lu, Jianmei, Zhenping Cheng, Xiulin Zhu e Lifen Zhang. "Plasma-induced copolymerization of hydrochloride ofN,N-dimethylaminoethyl methacrylate and acrylamide". Journal of Applied Polymer Science 84, n.º 4 (15 de fevereiro de 2002): 729–34. http://dx.doi.org/10.1002/app.10086.

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41

Teper, Paulina, Joanna Chojniak-Gronek, Anna Hercog, Natalia Oleszko-Torbus, Grażyna Płaza, Jerzy Kubacki, Katarzyna Balin, Agnieszka Kowalczuk e Barbara Mendrek. "Nanolayers of Poly(N,N′-Dimethylaminoethyl Methacrylate) with a Star Topology and Their Antibacterial Activity". Polymers 12, n.º 1 (17 de janeiro de 2020): 230. http://dx.doi.org/10.3390/polym12010230.

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In this paper, we focus on the synthesis and characterization of novel stable nanolayers made of star methacrylate polymers. The effect of nanolayer modification on its antibacterial properties was also studied. A covalent immobilization of star poly(N,N′-dimethylaminoethyl methacrylate) (PDMAEMA) to benzophenone functionalized glass or silicon supports was carried out via a “grafting to” approach using UV irradiation. To date, star polymer UV immobilization has never been used for this purpose. The thickness of the resulting nanolayers increased from 30 to 120 nm with the molar mass of the immobilized stars. The successful bonding of star PDMAEMA to the supports was confirmed by surface sensitive quantitative spectroscopic methods. Next, amino groups in the polymer layer were quaternized with bromoethane, and the influence of this modification on the antibacterial properties of the obtained materials was analyzed using a selected reference strain of bacteria. The resulting star nanolayer surfaces exhibited higher antimicrobial activity against Bacillus subtilis ATCC 6633 compared to that of the linear PDMAEMA analogues grafted onto a support. These promising results and the knowledge about the influence of the topology and modification of PDMAEMA layers on their properties may help in searching for new materials for antimicrobial applications in medicine.

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42

París, Rodrigo, e Isabel Quijada-Garrido. "Temperature- and pH-responsive behaviour of poly(2-(2-methoxyethoxy)ethyl methacrylate-co-N,N-dimethylaminoethyl methacrylate) hydrogels". European Polymer Journal 46, n.º 11 (novembro de 2010): 2156–63. http://dx.doi.org/10.1016/j.eurpolymj.2010.09.004.

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43

Gürdağ, Gülten, e Bestenur Kurtuluş. "Synthesis and Characterization of Novel Poly(N-isopropylacrylamide-co-N,N′-dimethylaminoethyl methacrylate sulfate) Hydrogels". Industrial & Engineering Chemistry Research 49, n.º 24 (15 de dezembro de 2010): 12675–84. http://dx.doi.org/10.1021/ie101577r.

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Sideridou-Karayannidou, I., e G. Seretoudi. "Solvent effect on the free-radical copolymerization of N-vinylcarbazole with N,N-dimethylaminoethyl methacrylate". Polymer 38, n.º 16 (agosto de 1997): 4223–28. http://dx.doi.org/10.1016/s0032-3861(96)01015-4.

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Teper, Paulina, Anna Celny, Agnieszka Kowalczuk e Barbara Mendrek. "Quaternized Poly(N,N′-dimethylaminoethyl methacrylate) Star Nanostructures in the Solution and on the Surface". Polymers 15, n.º 5 (1 de março de 2023): 1260. http://dx.doi.org/10.3390/polym15051260.

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Antibacterial polymeric materials are promising in the fight against resistant bacteria strains. Amongst them, cationic macromolecules with quaternary ammonium groups are one of intensively studied, as they interact with the bacterial membranes causing cell death. In this work, we propose to use nanostructures composed of polycations with star topology for the preparation of antibacterial materials. First, star polymers of N,N′-dimethylaminoethyl methacrylate and hydroxyl-bearing oligo(ethylene glycol) methacrylate P(DMAEMA-co-OEGMA-OH) were quaternized with various bromoalkanes and their solution behavior was studied. It was shown that in water two modes of star nanoparticles were observed, of diameters about 30 nm and up to 125 nm, independently of the quaternizing agent. Separately layers of P(DMAEMA-co-OEGMA-OH) stars were obtained. In this case, the chemical grafting of polymers to the silicon wafers modified with imidazole derivatives was applied, followed by the quaternization of the amino groups of polycations. A comparison of the quaternary reaction in solution and on the surface showed that in the solution it is influenced by the alkyl chain length of the quaternary agent, while on the surface such relationship is not observed. After physico-chemical characterization of the obtained nanolayers, their biocidal activity was tested against two strains of bacteria E. coli and B. subtilis. The best antibacterial properties exhibited layers quaternized with shorter alkyl bromide, where 100% growth inhibition of E. coli and B. subtilis after 24 h of contact was observed.

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Sun, Yan, Li Ma, Li Wang, Xuewei Zhu, Wensheng Cai e Xueguang Shao. "Understanding the role of water in the aggregation of proteins and polymers in aqueous solution using near-infrared spectroscopy". NIR news 31, n.º 5-6 (29 de julho de 2020): 21–24. http://dx.doi.org/10.1177/0960336020944766.

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Water plays an important role in chemical and biological processes. For understanding the role of water in the aggregation of proteins and polymers, the variation of water structures in the process of aggregation was studied by near-infrared spectroscopy. The near-infrared spectra of the aqueous R2/wt and poly( N, N-dimethylaminoethyl methacrylate) solutions of different concentrations were measured at different temperatures. The spectral changes of the solutes and water with temperature were analyzed with the help of chemometric methods. In the aggregation of R2/wt, the water species with one hydrogen bond around the NH groups dissociate to initiate the change of the hydrogen bonding network of the hydration water, and then, the water molecules with two hydrogen bonds (S2) near the hydrophobic side chains release from the R2/wt, resulting in the formation of the ordered amyloid fibers. In the aggregation process of low concentration poly( N, N-dimethylaminoethyl methacrylate) solutions, the chains of the polymer tend to form a loose hydrophobic structure below 36°C and then aggregate into a micelle at a lower critical solution temperature of around 39°C. S2 acts as a bridge to connect the polymer chains in the loose hydrophobic structure, and the dissociation of the S2 bridge at high temperature is the reason for the formation of the micelle. For high concentration solution, however, the spectral information of S2 was not found in the aggregation, suggesting a direct formation of the micelle from the dehydrated chains.

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Billing, Mark, Tobias Rudolph, Eric Täuscher, Rainer Beckert e Felix Schacher. "Synthesis and Complexation of Well-Defined Labeled Poly(N,N-dimethylaminoethyl methacrylate)s (PDMAEMA)". Polymers 7, n.º 12 (27 de novembro de 2015): 2478–93. http://dx.doi.org/10.3390/polym7121526.

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Du, Runhong, Amit Chakma e Xianshe Feng. "Interfacially formed poly(N,N-dimethylaminoethyl methacrylate)/polysulfone composite membranes for CO2/N2 separation". Journal of Membrane Science 290, n.º 1-2 (1 de março de 2007): 19–28. http://dx.doi.org/10.1016/j.memsci.2006.12.010.

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Sánchez, Julio, Carolina Espinosa, Fabian Pooch, Heikki Tenhu, Guadalupe del C. Pizarro e Diego P. Oyarzún. "Poly(N,N-dimethylaminoethyl methacrylate) for removing chromium (VI) through polymer-enhanced ultrafiltration technique". Reactive and Functional Polymers 127 (junho de 2018): 67–73. http://dx.doi.org/10.1016/j.reactfunctpolym.2018.04.002.

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Savina, Irina N., Igor Yu Galaev e Bo Mattiasson. "Anion-exchange supermacroporous monolithic matrices with grafted polymer brushes of N,N-dimethylaminoethyl-methacrylate". Journal of Chromatography A 1092, n.º 2 (outubro de 2005): 199–205. http://dx.doi.org/10.1016/j.chroma.2005.06.094.

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