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Статті в журналах з теми "NaCMC"

Автор: Grafiati

Опубліковано: 11 вересня 2023

Оновлено: 25 липня 2025

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1

Katona, Jaroslav, Verica Sovilj, and Lidija Petrovic. "Viscosity sinergism of hydrozypropmethyl and carboxy methyl cellulose." Chemical Industry 62, no. 1 (2008): 31–36. http://dx.doi.org/10.2298/hemind0801031k.

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Rheology modifiers are common constituents of food, cosmetic and pharmaceutic products. Often, by using two or more of them, better control of the product rheological properties can be achieved. In this work, rheological properties of hydroxypropymethyl cellulose (HPMC) and sodium carboxymethyl cellulose (NaCMC) solutions of different concentrations were investigated and compared to the flow properties of 1% HPMC/NaCMC binary mixtures at various HPMC/NaCMC mass ratios. Solutions of HPMC and NaCMC were found to be pseudoplastic, where pseudoplasticity increases with increase in the macromolecul

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2

Keim, Noah, and Werner Bauer. "Impact of Sodium Carboxymethylcellulose Binder on the Performance of Lithium-Ion-Batteries for Industrially Relevant Anode Formulations." ECS Meeting Abstracts MA2024-02, no. 5 (2024): 542. https://doi.org/10.1149/ma2024-025542mtgabs.

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To change the solvent in LIB electrodes to water, a water-based polymer binder has to replace the current PVdF binder. This led to Sodium Carboxymethylcellulose (NaCMC) being introduced as a water-soluble binder for LIBs. Due to NaCMC creating a weak connection with the current collector, usually, another additive like SBR rubber is usually added to increase adhesion. Nevertheless, NaCMC dominates the properties of the slurry and influences the structure of the final electrode decisively. Combining the multitude of functionalities of the NaCMC with it being produced from the most abundant poly

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3

Akalin, Gulen Oytun, and Mehlika Pulat. "Preparation and Characterization of Nanoporous Sodium Carboxymethyl Cellulose Hydrogel Beads." Journal of Nanomaterials 2018 (2018): 1–12. http://dx.doi.org/10.1155/2018/9676949.

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A series of nanoporous sodium carboxymethyl cellulose (NaCMC) hydrogel beads were prepared using FeCl3 ionic crosslinker by changing polymer and crosslinker percentages (%). Characteristics of the hydrogels were investigated by gel content, swelling test, degradation test, Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR), Scanning Electron Microscope/Energy Dispersive X-ray Analysis (SEM/EDX), and Atomic Force Microscopy (AFM). Swelling experiments were studied by changing time, temperature, and pH. The swelling percentage (S%) regularly decreased with increasing the amounts

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4

Brhane, Yonas. "Evaluation of Carboxymethylated Plectranthus edulis Starch as Suspending Agent in Metronidazole Benzoate Suspension Formulation." International Journal of Pharmaceutical Sciences and Nanotechnology 12, no. 5 (2019): 4672–81. http://dx.doi.org/10.37285/ijpsn.2019.12.5.8.

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 Carboxymethylated Plectranthus edulis, Vatke (P. edulis) [fam., Lamiaceae] starch was evaluated as a suspending agent in metronidazole benzoate suspensions in comparison with sodium carboxymethyl cellulose (NaCMC) at concentration range of 1-4% (w/v). The resulting suspensions were evaluated for their sedimentation volume (%), degree of flocculation, rheology, redispersibility, and dissolution rate. Stability studies were performed for 3 months. The apparent viscosities of the formulations prepared with carboxymethylated P. edulis starch at reaction condition E (CMPS-E) was significantl

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5

Bazid, Sihem, Meriem El Kolli, Aicha Medjahed, and Rachida Doufnoune. "The interaction of sodium carboxymethylcellulose with gelatin in the absence and presence of NaCl, CaCl2 and glucose." Journal of Polymer Engineering 35, no. 1 (2015): 89–98. http://dx.doi.org/10.1515/polyeng-2014-0080.

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Abstract The behavior of gelatin/sodium carboxymethylcellulose (NaCMC) mixtures in an aqueous medium was investigated as a function of the pH, the protein to polysaccharide weight ratio and the total biopolymer concentration. The polydispersity of these solutions was investigated by measuring the UV-vis absorbance of the mixture at 650 nm. The change in the absorbance at 650 nm for all gelatin/NaCMC/water dispersions showed that the most significant interaction by this technique was at a pH of 4.2. Increasing the total concentration of biopolymers greatly increased the interaction between gela

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6

Ahsan, Safiya, Arun Dhanagar, and Arifa Shaheen. "Investigation of aggregation behavior and surface properties of cationic surface-active ionic liquids and sodium carboxymethylcellulose mixed systems." Tenside Surfactants Detergents 60, no. 4 (2023): 356–67. http://dx.doi.org/10.1515/tsd-2022-2487.

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Abstract The impact of different concentrations of sodium carboxymethyl cellulose (NaCMC) on the micellization process in cationic, ester-functionalized, ethyl-substituted imidazolium-based surface-active ionic liquids (SAILs) ([C n Eeim]Br where, n = 12, 14, 16) were investigated using specific conductivity and surface tension measurements at 298 K. The study focused on determining the critical micelle concentration (CMC) of the three pure SAILs and their mixtures with NaCMC to evaluate various thermodynamic and interfacial parameters. The results showed that the CMC values decreased signific

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7

Conti, S., L. Maggi, L. Segale, et al. "Matrices containing NaCMC and HPMC." International Journal of Pharmaceutics 333, no. 1-2 (2007): 136–42. http://dx.doi.org/10.1016/j.ijpharm.2006.11.059.

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8

Conti, S., L. Maggi, L. Segale, et al. "Matrices containing NaCMC and HPMC." International Journal of Pharmaceutics 333, no. 1-2 (2007): 143–51. http://dx.doi.org/10.1016/j.ijpharm.2006.11.067.

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9

Roy, Jagadish, Ada Ferri, Stéphane Giraud, Guan Jinping, and Fabien Salaün. "Chitosan–Carboxymethylcellulose-Based Polyelectrolyte Complexation and Microcapsule Shell Formulation." International Journal of Molecular Sciences 19, no. 9 (2018): 2521. http://dx.doi.org/10.3390/ijms19092521.

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Chitosan (CH)–carboxymethyl cellulose sodium salt (NaCMC) microcapsules containing paraffin oil were synthesized by complex formation, and crosslinked with glutaraldehyde (GTA). The electrostatic deposition of NaCMC onto the CH-coated paraffin oil emulsion droplets was demonstrated by zeta potential and optical microscopy. The optimal process conditions were identified in terms of pH of the aqueous solution (5.5) and CH/NaCMC mass ratio (1:1). Encapsulation of paraffin oil and microcapsule morphology were analyzed by ATR-FTIR and SEM, respectively. The effect of GTA crosslinking on paraffin oi

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10

de Oliveira, Alessandra Moreira, Ricardo da Silva Souza, Débora Omena Futuro, and Valéria Gonçalves Costa. "The Development Study of a Prototype of Sodium Carboxymethylcellulose and Poly(Vinyl Alcohol) Wound Dressings Using a Mixer Torque Rheometer." Advanced Materials Research 1171 (May 3, 2022): 25–47. http://dx.doi.org/10.4028/p-h118we.

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Анотація:

The search for new materials that serve as dressings and promote the proper means for wound healing, without yielding toxic waste to the wound bed and at low cost, is currently the subject of research. In this sense, the present study aimed to develop a prototype of a poly(vinyl alcohol) (PVA) polymeric film, sodium carboxymethylcellulose (NaCMC). PVA and NaCMC as miscible polymer blend films for wound dressings was developed using internal mixing chamber processing in a mix torque rheometer (MTR) without the use of binders or crosslinks in different mixing conditions that were investigated by

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11

Katona, Jaroslav, Verica Sovilj, Lidija Petrovic, and Nenad Mucic. "Tensiometric investigation of the interaction and phase separation in a polymer mixture-ionic surfactant ternary system." Journal of the Serbian Chemical Society 75, no. 6 (2010): 823–31. http://dx.doi.org/10.2298/jsc100112056k.

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The interaction and phase separation in a ternary mixture composed of hydroxypropyl methyl cellulose (HPMC), sodium carboxymethyl cellulose (NaCMC), and sodium dodecylsulfate (SDS) were investigated by tensiometry. Surface tension measurements of binary mixtures (0.7 % HPMC and 0.00-2.00 % SDS) and of ternary mixtures (0.7 % HPMC, 0.3 % NaCMC, and 0.00-2.00 % SDS) were performed. The measurements indicated interaction between HPMC and SDS, which resulted in HPMC-SDS complex formation. The critical association concentration, CAC, and polymer saturation point, PSP, were determined. Phase separat

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12

Sabbagh, Farzaneh, and Ida Idayu Muhamad. "Physical and Chemical Characterisation of Acrylamide-Based Hydrogels, Aam, Aam/NaCMC and Aam/NaCMC/MgO." Journal of Inorganic and Organometallic Polymers and Materials 27, no. 5 (2017): 1439–49. http://dx.doi.org/10.1007/s10904-017-0599-4.

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13

Dołowacka-Jóźwiak, Arleta, Izabela Nawrot-Hadzik, Adam Matkowski, et al. "Optimization of Cellulose Derivative-, PVA-, and PVP-Based Films with Reynoutria japonica Extract to Improve Periodontal Disease Treatment." Materials 17, no. 24 (2024): 6205. https://doi.org/10.3390/ma17246205.

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Анотація:

The aim of this study was to develop and optimize polymeric films based on cellulose derivatives—hydroxypropylmethylcellulose (HPMC), methylcellulose (MC), and sodium carboxymethylcellulose (NaCMC)—as well as pullulan, polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), and glycerol (GLY) as plasticizer incorporating Reynoutria japonica extract for potential use in periodontal and gum disease treatment. Over 80 formulations were fabricated using the solvent-casting method, 6 of which were selected for further investigation based on their mechanical properties, mucoadhesion, and disintegration

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14

Sujatha, Evangelin Ramani, and Govindarajan Kannan. "An Investigation on the Potential of Cellulose for Soil Stabilization." Sustainability 14, no. 23 (2022): 16277. http://dx.doi.org/10.3390/su142316277.

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Анотація:

The construction industry remains a significant contributor to global carbon emissions. Several sustainable alternatives have emerged to overcome this issue in geotechnical engineering. In this study, cellulose, an abundant biopolymer, is investigated for its potential to modify geotechnical properties favourably. Sodium carboxymethyl cellulose (NaCMC) is an anionic ether derivative of natural cellulose with good binding and moisture-retaining capacity. Experimental investigations were conducted on organic silt stabilized with 0.25% to 1.00% NaCMC, and the results indicate that unconfined comp

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15

Tae, Wonseok, Hao Cheng, Sangyou Kim, Yeongjun Lee, and Wonsuk Jung. "Optimizing Tannin-NaCMC Compositions via DOE for Enhanced Carbon Yield and Strength in 3D-Printed Porous Carbon." Polymers 17, no. 13 (2025): 1859. https://doi.org/10.3390/polym17131859.

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We report the fabrication of lightweight porous carbon structures via UV-assisted photopolymerization molding using a commercial photocurable resin modified with natural tannin and sodium carboxymethyl cellulose (NaCMC) as sustainable additives. A systematic analysis was conducted by applying a Design of Experiments (DOE) approach and regression modeling to evaluate the effects of varying blend compositions on carbon yield and mechanical strength. The results indicate that increasing the tannin content led to a maximum carbon yield of 13.43%, with an average porosity of approximately 80% and a

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16

Sharratt, William N., Carlos G. Lopez, Miriam Sarkis, et al. "Ionotropic Gelation Fronts in Sodium Carboxymethyl Cellulose for Hydrogel Particle Formation." Gels 7, no. 2 (2021): 44. http://dx.doi.org/10.3390/gels7020044.

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Hydrogel microparticles (HMPs) find numerous practical applications, ranging from drug delivery to tissue engineering. Designing HMPs from the molecular to macroscopic scales is required to exploit their full potential as functional materials. Here, we explore the gelation of sodium carboxymethyl cellulose (NaCMC), a model anionic polyelectrolyte, with Fe3+ cations in water. Gelation front kinetics are first established using 1D microfluidic experiments, and effective diffusive coefficients are found to increase with Fe3+ concentration and decrease with NaCMC concentrations. We use Fourier Tra

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17

Das, Sibani, Satyajit Mondal, and Soumen Ghosh. "Interaction of cationic gemini surfactant tetramethylene-1,4-bis(dimethyltetradecylammonium bromide) with anionic polyelectrolyte sodium carboxymethyl cellulose, with two different molar masses, in aqueous and aquo-organic (isopropanol) media." RSC Advances 6, no. 37 (2016): 30795–803. http://dx.doi.org/10.1039/c6ra00640j.

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18

Rahman, Nurdin, I. Made Tangkas, Sri Muliyani Sabang, Bohari Bohari, and Rukman Abdullah. "The Avocado (Persea americana Mill.) Leaf Extract on Streptozotocin-induced Pancreatic Cell Regeneration of White Rats (Rattus norvegicus)." Open Access Macedonian Journal of Medical Sciences 9, A (2021): 849–53. http://dx.doi.org/10.3889/oamjms.2021.7065.

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Objectibe The rate of pancreatic cell regeneration after avocado leaf extract intervention in a diabetic animal model induced by streptozotocin was investigated in this study. Method: Experimental study was conducted on 18 male white rats as subjects, which were divided into 6 groups, 3 animals of each. Those were G1 (Feed + Streptozotocin + 10% Sucrose + 100 mg/kg b.w. of extract + 0.5% NaCMC), G2 (Feed + Streptozotocin + 10% Sucrose + 150 mg/kg b.w. of extract + 0.5% NaCMC), G3 (Feed + Streptozotocin + 10% Sucrose + 200 mg/kg b.w. of extract + 0.5% NaCMC), G4 (Feed + Streptozotocin + 10% suc

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19

Hernández, M. J., J. Dolz, M. Dolz, J. Delegido та J. Pellicer. "Viscous Synergism in Carrageenans (κ and λ) and Locust Bean Gum Mixtures: Influence of Adding Sodium Carboxymethylcellulose". Food Science and Technology International 7, № 5 (2001): 383–91. http://dx.doi.org/10.1106/6bcx-6xh6-pt82-8wck.

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Synergistic interactions between locust bean gum (LBG) and two types of carrageenans (κ and λ) are studied. Viscous synergism index, Iv as a function of concentration ratio z=ćLBG/ćcar, and shear rate were obtained for every mixture. In both binary systems the values of this index decrease with increasing shear rate. For the LBG + κ mixtures, Ivpresented a maximum at a concentration ratio z≅60/40, which would be considered the optimum proportion of gums in the mixture. However, for the LBG + λ system, I vincreased with z in the whole interval considered, i.e., the highest synergism corresponde

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20

Nirmala, Atika, Ismi Rahmawati, and Ilham Kuncahyo. "Optimization of serum formula active fraction of moringa leaf extract (Moringa oleifera Lambk) as antibacterial against Staphylococcus aureus." International journal of health sciences 7, S1 (2023): 3072–89. http://dx.doi.org/10.53730/ijhs.v7ns1.14687.

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This study aims to determine the optimum formula for the serum active fraction of Moringa leaves with a combination of carbopol, NaCMC and propylene glycol as antibacterial. Material and methods the fractionation of the extract were tested on Staphylococcus aureus bacteria using the diffusion method. The ethyl acetate fraction which has antibacterial activity at a concentration of 15% was made into serum preparations with a combination of carbopol, NaCMC and propyleneglycol. Making serum formulas using the simplex lattice design method resulted in 14 serum formulas. Testing of the physical qua

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21

Varlamova, A. I., M. S. Khalikov, S. S. Khalikov, and I. A. Arkhipov. "Anthelmintic efficacy of Fenbendazole and Niclosamide suspensions obtained by liquid phase mechano-chemical treatment." Russian Journal of Parasitology 18, no. 3 (2024): 325–31. http://dx.doi.org/10.31016/1998-8435-2024-18-3-325-331.

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Анотація:

The purpose of the research is to study the anthelmintic efficacy of suspensions based on a combined solid dispersion of Fenbendazole and Niclosamide.Materials and methods. Mechanochemistry methods were used to prepare suspensions of Fenbendazole (FBZ) and Niclosamide (NSM) substances, in particular, liquid phase grinding of substances with additives (licorice extract, polyvinylpyrrolidone (PVP)) in water or in aqueous sodium carboxymethylcellulose (NaCMC) solution. The grinding was conducted in LE-101 roller mill at energy intensity of 1 g for 1 hour at a roll rotation speed of 60–70 rpm. The

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22

Raju, Rajarshi Roy, Ferenc Liebig, Bastian Klemke, and Joachim Koetz. "Ultralight magnetic aerogels from Janus emulsions." RSC Advances 10, no. 13 (2020): 7492–99. http://dx.doi.org/10.1039/c9ra10247g.

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23

Nokhodchi, Ali, Davoud Hassan-Zadeh, Farnaz Monajjem-Zadeh, and Nita Taghi-Zadeh. "Effect of various surfactants and their concentration on controlled release of captopril from polymeric matrices." Acta Pharmaceutica 58, no. 2 (2008): 151–62. http://dx.doi.org/10.2478/v10007-008-0004-5.

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Effect of various surfactants and their concentration on controlled release of captopril from polymeric matricesVarious methods are available to formulate water soluble drugs into sustained release dosage forms by retarding the dissolution rate. One of the methods used to control drug release and thereby prolong therapeutic activity is to use hydrophilic and lipophilic polymers. In this study, the effects of various polymers such as hydroxypropyl methylcellulose (HPMC), ethylcellulose (EC) and sodium carboxymethylcellulose (CMC) and surfactants (sodium lauryl sulphate, cetyltrimethylammonium b

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24

Prayitno, Ari, Djatmiko Hadi, and Rudi Firyanto. "PEMBUATAN NaCMC DARI BATANG ECENG GONDOK (Eichhornia crassipes)." CHEMTAG Journal of Chemical Engineering 1, no. 1 (2020): 7. http://dx.doi.org/10.56444/cjce.v1i1.1287.

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25

Mengesha, Yohannes, Abdu Tuha, Yimer Seid, and Admassu Assen Adem. "Evaluation of Aloe weloensis (Aloeacea) Mucilages as a Pharmaceutical Suspending Agent." Advances in Pharmacological and Pharmaceutical Sciences 2021 (May 19, 2021): 1–6. http://dx.doi.org/10.1155/2021/6634275.

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Natural polymers, specifically mucilages, have been used as a suspending agent for a long period of time. Natural excipients can serve as an alternative to synthetic products since they are less expensive, less toxic, and devoid of environmental pollution. There are many species of Aloe found in Ethiopia which can be used as a source of mucilage. In this study, mucilage from Aloe weloensis, which is found in Wollo floristic region, was extracted and tested as a suspending agent at different suspending agent concentrations and compared with standard suspending agents (acacia and sodium carboxy

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26

Głogowski, Adrian, Zbigniew Marczyński, Michał Krzysztof Kołodziejczyk, Jerzy Jambor, Marta Kinga Stefan, and Marian Mikołaj Zgoda. "Morphological and pharmacokinetic properties of oral solid dietary supplements containing plant extracts." Herba Polonica 62, no. 3 (2016): 49–62. http://dx.doi.org/10.1515/hepo-2016-0017.

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Summary Introduction: Dietary supplements are a good way to supplement the deficiency of certain micronutrients and organic components (therapeutic agents) in human body. They are most often available in concentrated form as tablets, capsules, powder or liquid. Objective: To investigate morphological parameters and the pharmaceutical availability of coated tablets – dietary supplements – that contain selected pharmacopeial titrated dry plant extracts. Methods: Testing of the effective time of the tablet surface erosion was performed in model acceptor fluids using pharmacopeial methods in stati

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27

Klinpituksa, Pairote, and Patchareeya Kosaiyakanon. "Superabsorbent Polymer Based on Sodium Carboxymethyl Cellulose Grafted Polyacrylic Acid by Inverse Suspension Polymerization." International Journal of Polymer Science 2017 (2017): 1–6. http://dx.doi.org/10.1155/2017/3476921.

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A superabsorbent polymer (SAP) based on graft copolymerization of sodium carboxymethyl cellulose and acrylic acid was prepared by inverse suspension polymerization using potassium persulfate as an initiator and N,N′-methylenebisacrylamide as a cross-linker. Experiments were performed at 70°C for 90 min but varying the concentrations of sodium carboxymethyl cellulose (NaCMC), acrylic acid (AA), potassium persulfate (KPS), and N,N′-methylenebisacrylamide (MBA), and also varying % neutralization of AA. The maximum swelling capacity for SAP was 544.95 g/g in distilled water and 44.0 g/g in 0.9% w/

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28

Sovilj, Verica, Petar Dokic, and Lidija Petrovic. "Rheologycal properties of sodium carboxymethylcellulose in the presence of electrolyte and mixed micelle of surfactants." Acta Periodica Technologica, no. 34 (2003): 71–82. http://dx.doi.org/10.2298/apt0334071s.

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Анотація:

One of the most significant aspects of polymer-surfactant interaction, from the practical point of view, is that of rheology control and viscosity enhancement. In the oppositely charged polyelectrolyte-surfactant system strong ionic interaction often leads to precipitation of the formed complex yielding serious problems. In this paper the interaction between anionic polyelectrolyte - sodium carboxymethylcellulose (NaCMC) and cationic surfactant - cethyltrimethylammonium bromide (CTMAB) has been investigated by rheological measurements. Addition of electrolyte NaBr and nonionic surfactant - Twe

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29

Tungadi, Robert, Mohamad Aprianto Paneo, and Firman Nurkamiden. "Pengembangan Teknik Matriks Patch Alpha Arbutin Berbasis Nanoemulsi dan Uji Permeasi secara In Vitro." Jurnal Farmasi Teknologi Sediaan dan Kosmetika 1, no. 2 (2024): 53–63. http://dx.doi.org/10.70075/jftsk.v1i2.52.

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Анотація:

Alpha arbutin adalah metabolit sekunder golongan glikosida fenolik dan turunan alami dari hydroquinone, yang dapat menghambat produksi enzim tirosinase, sehingga tidak terjadi hiperpigmentasi. Alpha arbutin bersifat hidrofilik yang sulit berdifusi melalui stratum corneum, oleh karena itu alpha arbutin diformulasikan ke dalam bentuk nanoemulsi untuk meningkatkan kemampuan penetrasi alpha arbutin ke dalam stratum korneum. Penelitian ini bertujuan untuk melihat pengaruh pengembangan matriks polimer patch nanoemulsi alpha arbutin terhadap penetrasi alpha arbutin. Penelitian ini diawali dengan pemb

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30

Garduque, Renz Gabriel, Brandon Joshua Gococo, Caitlin Ashley Yu, Paul Jake Nalzaro, and Terence Tumolva. "Synthesis and Characterization of Sodium Carboxymethyl Cellulose/Sodium Alginate/Hydroxypropyl Cellulose Hydrogel for Agricultural Water Storage and Controlled Nutrient Release." Solid State Phenomena 304 (May 2020): 51–57. http://dx.doi.org/10.4028/www.scientific.net/ssp.304.51.

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Анотація:

Physically crosslinked superabsorbent hydrogels based on NaCMC, HPC, and NaAlg were developed to address the effects of water shortage to crop farming and to regulate fertilizer usage. An optimized synthesis was performed using ten different blends. The blend with a NaCMC/HPC/NaAlg ratio of 0.29/0.42/0.29 was found to exhibit the most favorable results, accommodating 1585% moisture and 8.38% fertilizer on a dry basis. Scanning electron microscope images of this blend manifested microporous structures, responsible for its superabsorbent properties. It was found out that applying the hydrogel at

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31

Endrice, Igor Alves, Sandy Aline Forastieri Gerarduzzi, Mariana Carla de Oliveira, Marcos Luciano Bruschi, and Jéssica Bassi da Silva. "Optimizing Thermoresponsive and Bioadhesive Systems for Local Application of Erythrosine." Colorants 4, no. 1 (2025): 5. https://doi.org/10.3390/colorants4010005.

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Photodynamic therapy (PDT) is a light-activated chemical reaction used for the selective destruction of tissue. For this, various colorants may be applied, such as erythrosine (ERI), a dye already approved by the Food and Drug Administration (FDA) for various purposes. Although promising for PDT, ERI has a high hydrophilic profile that impacts its activity. To solve this, the combination of ERI with thermoresponsive and bioadhesive polymers may prove effective. Bio/mucoadhesive and thermoresponsive systems have attracted increasing interest in the development of novel pharmaceutical formulatio

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Boldhane, Sanjay, and Bhanudas Kuchekar. "Development and optimization of metoprolol succinate gastroretentive drug delivery system." Acta Pharmaceutica 60, no. 4 (2010): 415–25. http://dx.doi.org/10.2478/v10007-010-0031-x.

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Development and optimization of metoprolol succinate gastroretentive drug delivery systemMetoprolol succinate (MS) gastroretentive (GR) controlled release system was formulated to increase gastric residence time leading to improved drug bioavailability. Box-Behnken model was followed using novel combinations of sodium alginate (SA), sodium carboxymethylcellulose (NaCMC), magnesium alumino metasilicate (MAS) as independent variables. Floating lag time (Flag),t25,t50,t75, diffusion exponent as dependent variables revealed that the amount of SA, NaCMC and MAS have a significant effect (p< 0.05

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Contreras, L., L. M. Melgoza, A. Aguilar-de-Leyva, and I. Caraballo. "Collaboration between HPMC and NaCMC in order to Reach the Polymer Critical Point in Theophylline Hydrophilic Matrices." Scientific World Journal 2012 (2012): 1–8. http://dx.doi.org/10.1100/2012/171292.

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Percolation theory has been applied in order to study the existence of critical points as well as the possibility to find a “combined percolation threshold” for ternary hydrophilic matrices prepared with HPMC, NaCMC, and theophylline. For this purpose, different batches of ternary as well as binary hydrophilic matrices have been prepared. Critical points have been found for binary hydrophilic matrices between 21.5 and 31.3% (v/v) of HPMC and between 39 and 54% (v/v) of NaCMC, respectively. In a previous work carried out with the same polymers but a much more soluble drug (KCl), it was demonstr

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34

Shetty, Supriya K., Ismayil, Shreedatta Hegde, et al. "Dielectric relaxations and ion transport study of NaCMC:NaNO3 solid polymer electrolyte films." Ionics 27, no. 6 (2021): 2509–25. http://dx.doi.org/10.1007/s11581-021-04023-y.

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AbstractNa+ ion-conducting solid polymer electrolyte (SPE) of sodium salt of carboxymethyl cellulose (NaCMC) doped with sodium nitrate (NaNO3) was developed by solution casting method. FTIR technique confirmed the formation of hydrogen bonding between $$ {NO}_3^{-} $$ NO 3 − anion and functional groups of NaCMC. XRD study revealed the low degree of crystallinity that reduced upon doping. Impedance spectroscopy was adapted in order to analyze the conductivity and dielectric relaxation phenomena of the polymer-salt complex. FTIR deconvolution technique was employed to understand the factor that

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35

Kale, Ravindra D., Yashlok Maurya, and Tejasvi Potdar. "Paper-reinforced sodium alginate/carboxyl methyl cellulose-based bio-composite films." Journal of Plastic Film & Sheeting 34, no. 2 (2017): 179–95. http://dx.doi.org/10.1177/8756087917715675.

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Waste paper-reinforced sodium alginate/carboxymethyl cellulose (NaCMC)-based bio-composite films were prepared by solution casting method by optimum combination of 1.5% sodium alginate and 1.5% NaCMC. The optimum combination was selected on the basis of good tensile strength and low moisture sensitivity. This film was further subjected to aqueous solution of potassium aluminium sulphate (potassium alum) to reduce water vapour permeability and moisture content. This potassium alum solution treatment further enhanced the mechanical and thermal properties, and the film biodegradability was not af

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36

Correia, Daniela M., Erlantz Lizundia, Rafaela M. Meira, Mikel Rincón-Iglesias, and Senentxu Lanceros-Méndez. "Cellulose Nanocrystal and Water-Soluble Cellulose Derivative Based Electromechanical Bending Actuators." Materials 13, no. 10 (2020): 2294. http://dx.doi.org/10.3390/ma13102294.

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This study reports a versatile method for the development of cellulose nanocrystals (CNCs) and water-soluble cellulose derivatives (methyl cellulose (MC), hydroxypropyl cellulose (HPC), and sodium carboxymethyl cellulose (NaCMC)) films comprising the ionic liquid (IL) 2-hydroxy-ethyl-trimethylammonium dihydrogen phosphate ([Ch][DHP]) for actuator fabrication. The influence of the IL content on the morphology and physico–chemical properties of free-standing composite films was evaluated. Independently of the cellulose derivative, the ductility of the films increases upon [Ch][DHP] incorporation

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37

Andes, Joshua Franz E., Angelica F. Jao, Jeoffrey H. Zacarias, and Terence P. Tumolva. "Performance Testing of NaCMC/HPC/NaAlg Hydrogels for Agricultural Applications." Key Engineering Materials 891 (July 6, 2021): 105–10. http://dx.doi.org/10.4028/www.scientific.net/kem.891.105.

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Physically cross-linked NaCMC/HPC/NaAlg hydrogel beads were subjected to several performance tests to determine their ability to mitigate the immediate impacts of drought and their effectiveness to control nutrient release in soil. The tests showed that the beads have a water absorption capacity of 2438%, indicating superabsorbent capability. Reusability tests showed that they are capable of at least six cycles of swelling/deswelling with a net decrease in swelling from 331% to 170%. Nutrient release studies were done using a multistage diffusion model to examine their effectiveness in control

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38

Sovilj, Verica, and Lidija Petrović. "Interaction and phase separation in the system HPMC/NaCMC/SDS." Colloids and Surfaces A: Physicochemical and Engineering Aspects 298, no. 1-2 (2007): 94–98. http://dx.doi.org/10.1016/j.colsurfa.2006.12.013.

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39

Sébert, P., E. Bourny, A. Benghalem, J. M. Vergnaud, and M. Rollet. "Modelling of release kinetics of drugs from irradiated NaCMC matrix." International Journal of Pharmaceutics 122, no. 1-2 (1995): 129. http://dx.doi.org/10.1016/0378-5173(94)00121-k.

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Sébert, P., Bourny E., A. Benghalem, J. M. Vergnaud, and M. Rollet. "Modelling of release kinetics of drugs from irradiated NaCMC matrix." International Journal of Pharmaceutics 110, no. 3 (1994): 285–89. http://dx.doi.org/10.1016/0378-5173(94)90251-8.

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41

Jalung, Ferdinan, Mila Febrina Rindayani, and Meity Christiani. "Uji Aktivitas Antipiretik Ekstrak Daun Bidara (Ziziphus Spina Christi L) Terhadap Mencit Jantan (Mus Musculus)." Journal of Pharmaceutical and Sciences 6, no. 4 (2023): 1654–57. http://dx.doi.org/10.36490/journal-jps.com.v6i4.289.

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Latar Belakang; Indonesia memiliki ribuan tumbuhan yang tersebar di berbagai daerah. Kekayaan alam hayati yang ada dimanfaatkan sebagai bahan baku obat modern maupun tradisional. Masyarakat telah lama mengenal dan menggunakan obat tradisional untuk mengobati berbagai macam penyakit. Semakin mahalnya harga obat modern di pasaran menjadi salah satu alasan untuk menggali kembali penggunaan obat tradisional. Banyak jenis tanaman obat di Indonesia yang telah dimanfaatkan sebagai bahan baku obat, beberapa jenis tanaman tersebut bahkan telah teruji secara klinis kandungan fitokimia, khasiat dan keama

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42

Nitipir, Cornelia, Stefania Marin, Maria Minodora Marin, Madalina Albu Kaya, Mihaela Violeta Ghica, and Narcisa Mederle. "Hybrid Collagen-NaCMC Matrices Loaded with Mefenamic Acid for Wound Healing." Revista de Chimie 68, no. 11 (2017): 2605–9. http://dx.doi.org/10.37358/rc.17.11.5938.

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Fire and burns represent the fourth cause of death in the world. Numerous options for dressings exist, but their selection should be based on several factors such as burn severity, wound location and water retention. Collagen (COLL) is the most common protein in the human body and, due to its biocompatibility, is the main component in biomaterials development. Mefenamic acid (MA) is a non-steroidal anti-inflammatory drug with analgesic properties, and carboxymethylcellulose (NaCMC) is a biocompatible and biodegradable polymer that is commonly used in biomedical field. Collagen - carboxymethylc

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43

Contreras, L., L. M. Melgoza, R. Villalobos, and I. Caraballo. "Study of the critical points of experimental HPMC–NaCMC hydrophilic matrices." International Journal of Pharmaceutics 386, no. 1-2 (2010): 52–60. http://dx.doi.org/10.1016/j.ijpharm.2009.10.048.

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44

Lopez, Carlos G., Ralph H. Colby, Peter Graham, and Joao T. Cabral. "Viscosity and Scaling of Semiflexible Polyelectrolyte NaCMC in Aqueous Salt Solutions." Macromolecules 50, no. 1 (2016): 332–38. http://dx.doi.org/10.1021/acs.macromol.6b02261.

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45

Correa, Osvaldo, Pompeu Pereira de Abreu Filho, Stanislav Moshkalev, and Jacobus Swart. "Piezoresistive Sensor Based on Micrographite-Glass Thick Films." Sensors 22, no. 9 (2022): 3256. http://dx.doi.org/10.3390/s22093256.

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A new Pb-free glass containing several oxides (Bi2O3, B2O3, SiO2, Al2O3 and ZnO) with sintering temperature reduced down to 600 °C has been developed for applications in a piezoresistive pressure sensor. Using this low sintering temperature glass, it was possible to fabricate micrographite-based pastes and piezoresistive films without losses of graphitic material during the sintering. Good adherence of the films onto alumina substrates was observed and attributed in part to the reactions of ZnO and Bi2O3 with alumina substrates. Piezoresistive films with uniformly distributed micrographite par

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46

Sowasod, Nataporn, Kyuya Nakagawa, Wiwut Tanthapanichakoon, and Tawatchai Charinpanitkul. "Cryogel Based Oil Encapsulation for Controlled Release of Curcumin by Using a Ternary System of Chitosan, Kappa-Carrageenan, and Carboxymethylcellulose Sodium Salt." Advanced Materials Research 701 (May 2013): 98–102. http://dx.doi.org/10.4028/www.scientific.net/amr.701.98.

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Cryogel based oil encapsulation was attempted with a ternary system of colloidal chitosan, κ-carrageenan, and carboxymethylcellulose sodium salt (NaCMC). Favourable formulations of this ternary system that caused irreversible sol-gel transition by freezing (cryogelation) were found in this study, and the oil phase that contained a selected model food ingredient (curcumin) was successfully encapsulated in this prepared cryogel matrix. The encapsulation yields were found to vary from ca 89 to 99%, and the values were influenced by the cooling protocol used during freezing, thereby indicating tha

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47

Kalahal, Prakash B., Ashok M. Sajjan, T. M. Yunus Khan, et al. "Novel Polyelectrolyte Complex Membranes Containing Carboxymethyl Cellulose–Gelatin for Pervaporation Dehydration of Azeotropic Bioethanol for Biofuel." Polymers 14, no. 23 (2022): 5114. http://dx.doi.org/10.3390/polym14235114.

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Polyelectrolyte complex membranes (PECMs) were prepared by combining sodium carboxymethyl cellulose (NaCMC) and gelatin (Ge) with variations in the Ge content in the NaCMC matrix. Characterization methods, such as infrared spectroscopy (FTIR), wide-angle X-ray diffraction (WAXD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), contact angle analysis (CA), and universal testing machines (UTM) were used to investigate the physicochemical studies of the prepared membranes. The pervaporation characteristics of membranes with Ge content were investigated using an azeotropic mi

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48

Burban, Ksenija, Halyna Kukhtenko, Anna Kriukova, et al. "Research by choice of excipients ingredients of the gel for the therapy of radiation lesions of the skin based on rheological studies." ScienceRise: Pharmaceutical Science, no. 5(45) (October 31, 2023): 44–52. http://dx.doi.org/10.15587/2519-4852.2023.290004.

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The aim of this work is to conduct a research analysis of changes in the structural and mechanical properties of the gel from the addition of active substances and surfactants. Materials and methods. In the presented work, model samples of the gel with active substances were studied: freshly obtained stonecrop juice, sea buckthorn oil, rosehip oil, St. John's wort oil and quercetin. As substances for the manufacture of bases hydrocolloids of cellulose derivatives were used: sodium carboxymethylcellulose (NaCMC) and hydroxyethylcellulose (HEC) with a surfactant Lanette SX. A study o

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B., MOUNIKA and I. BALA TRIPURA SUNDARI. "FORMULATION AND EVALUATION OF EMULGEL USING HIBISCUS LEAF EXTRACT." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 12 (2018): 16766–85. https://doi.org/10.5281/zenodo.2525360.

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<strong><em>Aim: </em></strong><em>The study was formulation and evaluation of emulgel using leaf extract of Hibiscus.</em> <strong><em>Methods:</em></strong><em>  The emulsions were prepared by using different oils like light liquid paraffin, coconut oil, olive oil and by using varying concentrations of Tween80 and Span80. The best selected emulsion was formulated into emulgel by using different gelling agents like Carbopol934, HPMC K4M, HPMC E15, NaCMC in different ratios. All the formulations were evaluated for their physicochemical parameters and percentage drug release.</em> <strong>

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Yi, Guobin, Yunwei Huang, Fuhua Xiong, Bing Liao, Jin Yang, and Xudong Chen. "Preparation and swelling behaviors of rapid responsive semi-IPN NaCMC/PNIPAm hydrogels." Journal of Wuhan University of Technology-Mater. Sci. Ed. 26, no. 6 (2011): 1073–78. http://dx.doi.org/10.1007/s11595-011-0365-3.

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