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Статті в журналах з теми "Poly (Acrylic Acid)-Grafted-Gellan"

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Gouranga, Nandi* Subhankar Mukhopadhyay Nityananda Mondal. "VISCOELASTIC, SWELLING KINETIC AND DRUG RELEASE CHARACTERIZATION OF POLY (ACRYLIC ACID)-GRAFTED-GELLAN." INDO AMERICAN JOURNAL OF PHARMACEUTICAL RESEARCH 07, no. 01 (2017): 7503–15. https://doi.org/10.5281/zenodo.1007229.

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Lyophilic, viscoelastic, swelling kinetic and drug release characterizations of poly (acrylic acid) –grafted-gellan (PAAc-g-GG) were the main objective of this study. At first, a suitable solvent for PAA-g-GG was found out by lyophilicity study followed by viscoelastic study on PAAc-g-GG with different degree of grafting. The study showed that the degree of grafting greatly influences the viscoelastic nature of copolymer, which further governs the drug release pattern from the polymer matrix. The copolymer with highest grafting showed much higher starting % strain (17.73%), stress (53.3 Pa) fo
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Nandi, Gouranga. "EFFECTS OF VISCOELASTIC PROPERTIES AND HYDRATION KINETIC ON DRUG RELEASE FROM THE TABLET OF DICLOFENAC SODIUM BASED ON POLY (SODIUM ACRYLATE)-GRAFTED-GELLAN MATRIX." Journal of Drug Delivery and Therapeutics 9, no. 4-A (2019): 1–8. http://dx.doi.org/10.22270/jddt.v9i4-a.3298.

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Investigation of the effects of viscoelasticity and hydration kinetic on the drug release behavior from the poly (sodium acrylate)-grafted-gellan matrix (PSAc-g-GG) was the main objective of this study. At first, poly (acrylic acid)-grafted-gellan was treated with 0.05M NaOH to obtain poly (sodium acrylate)-grafted-gellan followed by its purification and subsequent lyophilicity study and viscoelastic study on PSAc-g-GG with different degree of grafting. The study revealed that the degree of grafting greatly affects the viscoelastic and rheologic characteristics of the copolymer, which further
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Sarkar, Debjani, Gouranga Nandi, Abhijit Changder, Prasenjit Hudati, Sayani Sarkar, and Lakshmi Kanta Ghosh. "Sustained release gastroretentive tablet of metformin hydrochloride based on poly (acrylic acid)-grafted-gellan." International Journal of Biological Macromolecules 96 (March 2017): 137–48. http://dx.doi.org/10.1016/j.ijbiomac.2016.12.022.

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Choudhary, Sonal, Kashma Sharma, Manpreet S. Bhatti, Vishal Sharma, and Vijay Kumar. "DOE-based synthesis of gellan gum-acrylic acid-based biodegradable hydrogels: screening of significant process variables and in situ field studies." RSC Advances 12, no. 8 (2022): 4780–94. http://dx.doi.org/10.1039/d1ra08786j.

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We use free radical graft copolymerization of acrylic acid as a monomer, N,N-methylene-bis-(acrylamide) as a crosslinker and ammonium persulfate as an initiator to synthesise GG-cl-poly(AA) hydrogels based on gellan gum utilising response surface methodology.
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Buchenska, Jadwiga. "Polypropylene fibers grafted with poly(acrylic acid)." Journal of Applied Polymer Science 83, no. 11 (2002): 2295–99. http://dx.doi.org/10.1002/app.2322.

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Amariei, Georgiana, Karina Boltes, Pedro Letón, Isabel Iriepa, Ignacio Moraleda, and Roberto Rosal. "Poly(amidoamine) dendrimers grafted on electrospun poly(acrylic acid)/poly(vinyl alcohol) membranes for host–guest encapsulation of antioxidant thymol." Journal of Materials Chemistry B 5, no. 33 (2017): 6776–85. http://dx.doi.org/10.1039/c7tb01498h.

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Анотація:
Amino-terminated PAMAM dendrimers were grafted onto poly(acrylic acid)/poly(vinyl alcohol) electrospun fibres to create a host–guest architecture for the controlled delivery of the antioxidant thymol.
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Guo, Li, Yu Jiang Fan, Naoki Kawazoe, et al. "Effect of Surface Electrostatic Property on Chondrogenic Differentiation of Human Mesenchymal Stem Cells." Key Engineering Materials 330-332 (February 2007): 1189–92. http://dx.doi.org/10.4028/www.scientific.net/kem.330-332.1189.

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In this study, three kinds of photo-reactive polymers, namely positively charged azidophenyl-derived polyallylamine (AzPhPAAm), negatively charged azidophenyl-derived poly(acrylic acid) (AzPhPAAc) and neutral azidophenyl-derived poly(ethylene glycol) (AzPhPEG), were synthesized by introduction of photo-reactive group (-N3) into polyallylamine, poly(acrylic acid) and poly(ethylene glycol), respectively. The structure of the azidophenyl-derived polymers was confirmed by 1H-NMR measurement. All of the photo-reactive polymers can be pattern-grafted on the surface of cells culture plate, which was
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Saidi, Abdullah Khamis Ali Al, Adibehalsadat Ghazanfari, Shuwen Liu, et al. "Facile Synthesis and X-ray Attenuation Properties of Ultrasmall Platinum Nanoparticles Grafted with Three Types of Hydrophilic Polymers." Nanomaterials 13, no. 5 (2023): 806. http://dx.doi.org/10.3390/nano13050806.

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Ultrasmall platinum nanoparticles (Pt-NPs) grafted with three types of hydrophilic and biocompatible polymers, i.e., poly(acrylic acid), poly(acrylic acid-co-maleic acid), and poly(methyl vinyl ether-alt-maleic acid) were synthesized using a one-pot polyol method. Their physicochemical and X-ray attenuation properties were characterized. All polymer-coated Pt-NPs had an average particle diameter (davg) of 2.0 nm. Polymers grafted onto Pt-NP surfaces exhibited excellent colloidal stability (i.e., no precipitation after synthesis for >1.5 years) and low cellular toxicity. The X-ray attenuatio
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Yu, Yameng, Jingzhe Dong, Boya Ma, et al. "Bio-inspired dual-functional phospholipid–poly(acrylic acid) brushes grafted porous poly(vinyl alcohol) beads for selective adsorption of low-density lipoprotein." Journal of Materials Chemistry B 9, no. 32 (2021): 6364–76. http://dx.doi.org/10.1039/d1tb01220g.

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Inspired by the lipoprotein molecular structure, dual-functional phospholipid-poly(acrylic acid) brushes grafted porous poly(vinyl alcohol) beads were developed for selective removal of low-density lipoprotein from hyperlipidemia blood.
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Bensacia, Nabila, Saâd Moulay, François Garin, Ioana Fechete, and Anne Boos. "Effect of Grafted Hydroquinone on the Acid-Base Properties of Poly(acrylic acid) in the Presence of Copper (II)." Journal of Chemistry 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/913987.

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Анотація:
Potentiometric titration of poly(acrylic acid) and hydroquinone-functionalized poly(acrylic acid) was conducted in the presence of copper (II). The effects of hydroquinone functionalizing and copper (II) complexing on the potentiometric titration of poly(acrylic acid) were studied in an ionic environment and in its absence. Henderson-Hasselbalch equation was applied to assess its validity for this titration. Coordination number and the stability constants of the copper- (II-)complexed polymers were determined, and results showed the formation of mostly monodentate and bidentate copper- (II-)po
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Дисертації з теми "Poly (Acrylic Acid)-Grafted-Gellan"

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ARAÚJO, Jeane Paulino de. "Avaliação da reatividade entre o Biopolímero poli (Ácido Lático) (PLA) e o polietileno enxertado com ácido acrílico (PEgAA) e do efeito da concentração de PEgAA nas propriedades e na morfologia da blenda PLA/PEgAA." Universidade Federal de Campina Grande, 2018. http://dspace.sti.ufcg.edu.br:8080/jspui/handle/riufcg/1059.

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Submitted by Emanuel Varela Cardoso (emanuel.varela@ufcg.edu.br) on 2018-06-28T22:08:37Z No. of bitstreams: 1 JEANE PAULINO DE ARAÚJO – DISSERTAÇÃO (UAEMa) 2015.pdf: 2128480 bytes, checksum: 70c9e8ae2b3e956c8dd6515d58ebc9d0 (MD5)<br>Made available in DSpace on 2018-06-28T22:08:37Z (GMT). No. of bitstreams: 1 JEANE PAULINO DE ARAÚJO – DISSERTAÇÃO (UAEMa) 2015.pdf: 2128480 bytes, checksum: 70c9e8ae2b3e956c8dd6515d58ebc9d0 (MD5) Previous issue date: 2018-06-28<br>Capes<br>O poli(ácido lático) (PLA) tem despertado grande interesse tanto da academia como da indústria devido principalmente a su
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CHANG, CHIA-FEN, and 張嘉分. "Poly(Sulfobetaine methacrylate-co-acrylic acid) grafted to stainless steel iron meshs for application of oil-water separation with self-cleaning." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/68g78z.

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LEE, Chien-TE, and 李建德. "Optical Detection of Yersinia Pestis from Whole Blood with Silicon Wafer Surface Grafted Poly(acrylic acid)-Electrolyte Grating and Bacteria Culture after Release." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/yz88b4.

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碩士<br>國立臺灣科技大學<br>材料科學與工程系<br>107<br>This study designed a rapid screening of polymer materials to detect Yersinia pestis in human blood and the use of polyelectrolyte multilayer membranes for release for further testing or testing in the future, and with bovine serum The protein is processed and not interfered with by white blood cells while being tested. The substrate is a patterned photoresist wafer surface polymer having a line/pitch ratio of 1:1.5, which is a one-dimensional grating having a line width of 1, 1.5, 2, and 3 μm. Using this structure, a polyacrylic acid (PAA) polymer brush wa
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Евстифеева, В. Н., та V. N. Evstifeeva. "Термодинамика взаимодействия полисахаридов гуара, геллана и полиакриловой кислоты с водой и друг с другом : магистерская диссертация". Master's thesis, 2018. http://hdl.handle.net/10995/66207.

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Анотація:
The water sorption of the films of polyacrylic acid, guar gum, gellan gum and PAA-guar, PAA-gellan mixtures of different compositions, prepared at 25°C and 70°C, was studied. The chemical potentials of water Δμ1, polymer component Δμ2, the average Gibbs energy of interaction of polymers and mixtures with water Δgm, the average Gibbs mixing energy of PAA and guar, PAA and gellan Δgx have been determined. It is established that the increase in the preparation temperature significantly enhances the films’ sorption capacity in relation to water. It is determined that the Gibbs mixing energy of pol
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Частини книг з теми "Poly (Acrylic Acid)-Grafted-Gellan"

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Bounabi, L., N. Bouslah Mokhnachi, N. Haddadine, and A. Benaboura. "Controlling Drug Release Through Poly(2-Hydroxyethylmethacrylate-co-acrylic Acid) Grafted Sodium Alginate." In Proceedings of the Third International Symposium on Materials and Sustainable Development. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-89707-3_15.

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Beaumais, J., and Th Ackermann. "L-Phenylalanine Oligopeptides Grafted Poly(Acrylic Acid). Evidence of Specific Interactions of Ethidium Bromide and Acridine Orange with Hydrophobic Microdomains." In Microdomains in Polymer Solutions. Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2123-1_3.

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Moulay, Saâd, and Ioana Fechete. "Effect of Grafted Hydroquinone on the Acid-Base Properties of Poly(acrylic acid) in the Presence of Copper (II)." In Prime Archives in Chemistry. Vide Leaf, Hyderabad, 2020. http://dx.doi.org/10.37247/pac.1.2020.22.

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"Polypropylene Hollow Fiber Membranes With Grafted Poly(acrylic Acid) Brushes From Surface-Initiated Atom Transfer Radical Polymerization and Their pH-Dependent Antifouling Properties." In Polymer Surface Modification: Relevance to Adhesion, Volume 5. CRC Press, 2009. http://dx.doi.org/10.1201/b12243-16.

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Mark, James E., Dale W. Schaefer, and Gui Lin. "Copolymers and Interpenetrating Networks." In The Polysiloxanes. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780195181739.003.0010.

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Random copolymers are prepared by the copolymerization of a mixture of cyclic oligomers. Although the resulting polymer can be quite blocky (figure 8.1), taking the reaction to equilibrium can give a polymer that is essentially random in its chemical sequencing. One reason for preparing copolymers is to introduce functional species, such as hydrogen or vinyl side groups, along the chain backbone to facilitate cross linking. Another reason is the introduction of sufficient chain irregularity to make the polymer inherently noncrystallizable. Specific examples of comonomers include imides, peryle
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"Immobilization of streptavidin-horseradish peroxidase onto a biotinylated poly(acrylie acid) backbone that had been radiation-grafted to a PTFE film." In Gels, Genes, Grafts and Giants. CRC Press, 2005. http://dx.doi.org/10.1201/b12187-59.

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Тези доповідей конференцій з теми "Poly (Acrylic Acid)-Grafted-Gellan"

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Taguchi, Tetsushi, Yoichiro Muraoka, Hiroyuki Matsuyama, Akio Kishida, and Mitsuru Akashi. "APATITE COATING ON POLY(ACRYLIC ACID) GRAFTED POLY(ETHYLENE) FILMS BY USING AN ALTERNATE SOAKING PROCESS." In Proceedings of the 12th International Symposium on Ceramics in Medicine. WORLD SCIENTIFIC, 1999. http://dx.doi.org/10.1142/9789814291064_0032.

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Ghani, Siti Musliha Mat, Rowin Kumeresan, Nurul Ekmi Rabat, et al. "Fly ash grafted poly(acrylic acid-co-acrylamide) composite hydrogel as the carbon dioxide adsorbent." In INTERNATIONAL SYMPOSIUM ON ADVANCED MATERIALS & PROCESSING (ISAMP 2022). AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0204555.

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Звіти організацій з теми "Poly (Acrylic Acid)-Grafted-Gellan"

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Thanyasrisung, Panida, Aemvika Vittayaprasit, Voravee Hoven, Sugai, Motoyuki, and Oranart Matangkasombut. Rapid detection of mutans streptococci by substrate specific binding of automutanolysin : Final report. Faculty of Dentistry, Chulalongkorn University, 2016. https://doi.org/10.58837/chula.res.2016.19.

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Анотація:
Chair-side rapid detection of mutans streptococci is an important aid to clinical dental caries risk assessment. Rapid Streptococcus mutans detection tools are available on the market but there are a small number. Automutanolysin (Aml) is a peptidoglycan hydrolase whose cell wall-binding domain (CWBD) has substrate-specificity towards mutans streptococci. This study aims to develop a rapid detection assay using CWBD conjugated with horseradish peroxidase (HRP). However, the recombinant protein was as insoluble form. Therefore, magnetic nanoparticles were used as an alternative reporter to conj
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