Academic literature on the topic 'GUAR GUM HYDROGEL'

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Journal articles on the topic "GUAR GUM HYDROGEL"

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Pak, Sol-Ju, and Fang Chen. "Functional Enhancement of Guar Gum−Based Hydrogel by Polydopamine and Nanocellulose." Foods 12, no. 6 (2023): 1304. http://dx.doi.org/10.3390/foods12061304.

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The development of green, biomedical hydrogels using natural polymers is of great significance. From this viewpoint, guar gum (GG) has been widely used for hydrogel preparation; however, its mechanical strength and adhesion often cannot satisfy the biomedical application. Therefore, in the present study, gelatin and a cellulose nanocrystal (CNC) were first applied to overcome the defects of guar gum hydrogel. Dopamine was self−polymerized into polydopamine (PDA) on the gelatin chain at alkaline condition, and gelatin−polydopamine (Gel−PDA) further cross−linked with guar gum and CNC via the bor
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Xiong, Yun, Xu Zhang, and Ming Zhu Liu. "Surface-Crosslinked Guar Gum-g-Sodium Polyacrylate Superabsorbents: Swelling Characteristics and Mechanics Performance." Applied Mechanics and Materials 729 (January 2015): 39–46. http://dx.doi.org/10.4028/www.scientific.net/amm.729.39.

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Guar gum grafted sodium polyacrylate have been prepared via aqueous solution graft polymerization. Furthermore, the polymers were then surface-crosslinked using trimethylolpropane triglycidyl ether (TMPTGE) to improve the properties of swollen hydrogel. Polymerization conditions were systematically optimized to achieve the optimum swelling capacity. FTIR and DSC spectra confirmed that sodium acrylate had been grafted onto guar gum chains. SEM observations showed morphology of the samples. The results confirmed that introducing guar gum into the superabsorbent could improve the swollen hydrogel
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Luo, Yi, Werner Pauer, and Gerrit A. Luinstra. "Nonlinear Viscoelasticity of and Structural Modulation in Guar Gum-Enhanced Triple-Network Hydrogels." Polymers 17, no. 5 (2025): 597. https://doi.org/10.3390/polym17050597.

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The effect of the presence of guar gum (0–0.75 wt%) in a thermo-responsive triple-network (TN) PVA/TA/PVA-MA-g-PNIPAAm hydrogel (PVA: polyvinyl alcohol; MA: methacrylate, PNIPAAm: poly-N-isopropyl acryl amide; TA: tannic acid) with respect to the structural, mechanical, and viscoelastic properties was mapped. A comprehensive analysis, using large-amplitude oscillatory shear (LAOS), SEM imaging, XRD, and mechanical analysis revealed that guar enhances hydrogel crystallinity (up to 30% at 0.75 wt%), which goes along with a strain hardening. The hydrogel achieved superior mechanical performance a
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Poudel, Humendra, Ambar B. RanguMagar, Pooja Singh, et al. "Guar-Based Injectable Hydrogel for Drug Delivery and In Vitro Bone Cell Growth." Bioengineering 10, no. 9 (2023): 1088. http://dx.doi.org/10.3390/bioengineering10091088.

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Injectable hydrogels offer numerous advantages in various areas, which include tissue engineering and drug delivery because of their unique properties such as tunability, excellent carrier properties, and biocompatibility. These hydrogels can be administered with minimal invasiveness. In this study, we synthesized an injectable hydrogel by rehydrating lyophilized mixtures of guar adamantane (Guar-ADI) and poly-β-cyclodextrin (p-βCD) in a solution of phosphate-buffered saline (PBS) maintained at pH 7.4. The hydrogel was formed via host-guest interaction between modified guar (Guar-ADI), obtaine
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Namburu, Srikanth, and C. Kumar Anitha. "Preparation of guar gum hydrogels." Abstracts of International Conferences & Meetings (AICM) 1, no. 2 (2021): 11. https://doi.org/10.5281/zenodo.4876616.

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<strong>Introduction: </strong>Hydrogels have existed for more than half century, they are unique, consist of a self-supporting, water-swollen three-dimensional (3D) viscoelastic network which permits the diffusion and attachment of molecules (1). Hydrogels are more elastic and stronger, and they are easy to modify. Despite of the vast importance of green chemistry, synthesis and characterization, natural biopolymers eliminate the danger to health and environment (2). Polysaccharides are widely spread biopolymers with diversity of structure and properties. Guar gum in a natural polymer, which
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Li, Yanli, Yucheng Feng, Jun Jing, and Fei Yang. "Cellulose/guar gum hydrogel microspheres as a magnetic anticancer drug carrier." BioResources 14, no. 2 (2019): 3615–29. http://dx.doi.org/10.15376/biores.14.2.3615-3629.

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A novel magnetic anticancer drug carrier based on cellulose, guar gum, and Fe3O4 hydrogel microspheres was synthesized by chemical crosslinking. These microspheres were crosslinked with epoxy chloropropane and loaded with 5-fluorouracil (5-fu). The effect of the ratio of cellulose to guar gum on bead size, drug loading, and in vitro release behaviors were investigated. The influence of the magnetic content on drug loading and in vitro release behaviors were also evaluated. The magnetic hydrogel microspheres were characterized via an optical microscope, Fourier transform infrared spectroscopy,
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SATHEESHKUMAR, K. V., and PARVATHI JAYASANKAR AND A. MOHANAN. "Sustained Release of Diclofenac from Doubly Cross-linked Hydrogels Consisting of Sodium Alginate/Guar Gum/Zinc Oxide." JOURNAL OF ENVIRONMENT AND BIO-SCIENCE 37, no. 02 (2023): 127. http://dx.doi.org/10.59467/jebs.2023.37.127.

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Diclofenac sodium is a widely used drug for muscular pain. However, it is having considerable adverse effects due to its sensitivity to the gastrointestinal tract. To overcome this problem, a popular method is the usage of alginate-based hydrogel as a matrix. Still, the method is far from satisfactory results due to the high swelling of the matrix, which is due to the inherent swelling property of alginate gel and causes burst release of the drug. The current study is aimed at a solution for all these problems, targeting sustained release of the active drug with controlled swelling of the hydr
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Dai, Lei, Liqiang Zhang, Baobin Wang, et al. "Multifunctional self-assembling hydrogel from guar gum." Chemical Engineering Journal 330 (December 2017): 1044–51. http://dx.doi.org/10.1016/j.cej.2017.08.041.

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Gutierrez-Reyes, Jazmín E., Martín Caldera-Villalobos, Juan J. Becerra-Rodriguez, Denis A. Cabrera-Munguía, and Jesús A. Claudio-Rizo. "Hydrogels Made up of Natural Gums Based on Polysaccharides for Applications in Biomedicine: Brief Review." Asian Journal of Applied Science and Technology 06, no. 01 (2022): 152–63. http://dx.doi.org/10.38177/ajast.2022.6118.

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Natural gums based on polysaccharides such as guar gum, gum arabic and xanthan gum possess structure and properties that have been used for various applications in pharmaceutical, food and biomedicine. Due to their high presence of hydroxyl and/or carboxylate groups in their glycosidic skeletons, they can retain water molecules, forming matrices in the hydrogel state. These hydrogels have high biocompatibility that has been exploited in the biomedical field in strategies as controlled release of therapeutic agents, regenerative medicine, tissue engineering and modulation of cell growth. The ob
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Shen, Xianfei, Lina Wang, Xuemin Pan, Bijin Yang, Jiayuan Han, and Lianxing Zhang. "Application of Guar Gum Treatment of Basalt Residual-Soil Shallow Slope in Early Ecological Restoration." Sustainability 16, no. 15 (2024): 6676. http://dx.doi.org/10.3390/su16156676.

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This paper found that environmentally friendly guar gum biopolymers are helpful for stopping the erosion of basalt residual-soil shallow slopes, while also improving the problems of poor stability, difficult growth of early vegetation, and weak initial resistance to the rainfall scouring of these slopes under extreme climatic conditions. Then, to illustrate the effects of the guar gum treatment, laboratory tests have been conducted, including a soil strength test, water retention and water absorption tests, a disintegration test, and a simulated rainfall erosion test, and the pattern of its ef
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Dissertations / Theses on the topic "GUAR GUM HYDROGEL"

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Almeida, Monique Rocha. "Desenvolvimento de um dispositivo fotoeletroqu?mico a base de g-C3N4, Cu2O e CuO para clivagem da ?gua em H2 e O2." UFVJM, 2016. http://acervo.ufvjm.edu.br/jspui/handle/1/1311.

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Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-03-24T21:23:22Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) monique_rocha_almeida.pdf: 4635045 bytes, checksum: 2d203824a390ae82a5006e68b621c98b (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-04-20T19:40:16Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) monique_rocha_almeida.pdf: 4635045 bytes, checksum: 2d203824a390ae82a5006e68b621c98b (MD5)<br>Made available in DSpac
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Melo, Edilailsa Janu?rio de. "Hematitas nanoparticuladas como fotocatalisadores potenciais para degrada??o qu?mica de contaminantes org?nicos em meio aquoso e a produ??o de hidrog?nio por fragmenta??o molecular da ?gua e da am?nia." UFVJM, 2017. http://acervo.ufvjm.edu.br/jspui/handle/1/1371.

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Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-06-02T22:41:13Z No. of bitstreams: 2 edilailsa_januario_melo.pdf: 2845467 bytes, checksum: 55f2a32335b696129bb30309f301b7ee (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-06-22T12:28:16Z (GMT) No. of bitstreams: 2 edilailsa_januario_melo.pdf: 2845467 bytes, checksum: 55f2a32335b696129bb30309f301b7ee (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)<br>Made available in D
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Oliveira, ?ngelo Anderson Silva de. "S?ntese e caracteriza??o do l?quido i?nico tetrafluoroborato de 1-metil-3-(2,6-(S)-dimetiloct-2-eno)-imidazol como eletr?lito para produ??o de hidrog?nio via eletr?lise da ?gua." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12992.

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Made available in DSpace on 2014-12-17T14:08:55Z (GMT). No. of bitstreams: 1 AngeloASO_DISSERT.pdf: 1949187 bytes, checksum: e1a09a3868062ecaf1e44bef8c6c67fb (MD5) Previous issue date: 2013-11-18<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>Ionic liquids (ILs) are organic compounds liquid at room temperature, good electrical conductors, with the potential to form as a means for electrolyte on electrolysis of water, in which the electrodes would not be subjected to such extreme conditions demanding chemistry [1]. This paper describes the synthesis, characterization and st
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SOLANKI, RAHUL. "PREPARATION AND ANALYSIS OF POLY (ACRYLAMIDE-GUAR GUM) HYDROGEL." Thesis, 2020. http://dspace.dtu.ac.in:8080/jspui/handle/repository/18319.

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As we as a whole know the significance of green science combination and portrayal of ecological benevolent changed regular polymers is need of time. These regular polysaccharides additionally dispose of the risk to wellbeing and condition. Guar gum is one of the significant normally happening polymer having wide applications because of its rheological adjusting properties in therapeutic, pharmaceutical, food, material and scores of other modern and business divisions. There has been wide investigation on physiochemical and pharmaceutical properties of guar gum yet concentrate on adjuste
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ALAM, GAUSH. "REMOVAL OF NICKEL FROM WASTE WATER USING GUAR GUM." Thesis, 2017. http://dspace.dtu.ac.in:8080/jspui/handle/repository/17045.

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Heavy metals are one of the most toxic materials to the environment. Adsorption is the process which is used for the removal of heavy metals from wastewater. Many researches have been conducted to remove heavy metals using different materials. Various adsorbents have been used to remove different type of heavy metal ions from wastewater especially those that are harmful to mankind. Activated carbons, plant or lignocellulosic wastes, clays and biopolymers are the most common adsorbents used. For this research, Guar Gum was used as a adsorbent to remove Heavy Metal from wastewater. G
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YU, YUEH-CHIN, and 俞月琴. "Studies on Preparation and Characterization of Sodium Alginate/Guar Gum Hydrogel Beads." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/6wh92c.

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碩士<br>中華科技大學<br>健康科技研究所在職專班<br>107<br>Ferulic acid, a major active constituent of Chinese medicinal herbs, exhibits a variety of biological activities such as antioxidant, anti-inflammatory, anti-allergic, anti-cancer, and antibacterial effects. Erythromycin, a macrolide antibiotic, is commonly used in treatment of many bacterial actions. Ferulic acid-loaded and erythromycin-loaded hydrogel beads as oral delivery formulations were studied. In this work, the homogeneous sodium alginate/guar gum solution was dropped into calcium chloride solution, crosslinked by calcium ions, and the pH-sensit
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GARG, PIYUSH. "STUDIES ON HYDROGELS BASED ON POLYACRYLAMIDE AND GUAR GUM DERIVATIVES." Thesis, 2013. http://dspace.dtu.ac.in:8080/jspui/handle/repository/15677.

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As we all know the importance of green chemistry synthesis and characterization of environmental friendly modified natural polymers is need of time. These natural polysaccharides also eliminates the danger to health and environment. Guar gum is one of the important naturally occurring polymer having wide applications due to its rheological modifying properties in medicinal, pharmaceutical, food, textile and scores of other industrial and commercial sectors. There has been wide study on physiochemical and pharmaceutical properties of guar gum but study on modified guar gum and its derivatives a
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Book chapters on the topic "GUAR GUM HYDROGEL"

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Khushbu, Ashank Upadhyay, and Sudhir G. Warkar. "Synthesis and Study of a Novel Carboxymethyl Guar Gum/Polyacrylate Polymeric Structured Hydrogel for Agricultural Application." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8542-5_95.

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Song, Ci, Yunfei Bao, Yong Lv, and Deng Ye. "Preparation and Adsorption Performance of Heavy Metal Ions of a Complex Hydrogel of Oxidized Nanofibrillated Cellulose/Cationic Guar Gum." In Lecture Notes in Electrical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-9955-2_54.

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Baruah, Chinmoy, and Jayanta K. Sarmah. "Guar gum-based hydrogel and hydrogel nanocomposites for biomedical applications." In Micro- and Nanoengineered Gum-Based Biomaterials for Drug Delivery and Biomedical Applications. Elsevier, 2022. http://dx.doi.org/10.1016/b978-0-323-90986-0.00002-9.

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Zaki, Elsayed Gamal, Shimaa Mohamed Elsaeed, Faissal Aziz, Athir Mahmood Haddad, Aula Ali Alwattar, and Khalid Aziz. "Optimization of Green Hydrogel in Agriculture Based on Guar Gum by Response Surface Methodology." In Handbook of Research on Principles and Practices for Orchards Management. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-6684-2423-0.ch003.

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Water plays an essential purpose in agricultural yield. Unfortunately, water shortages have led to desertification and salination of soils, threatening the durable progress of agriculture, horticulture, and food security, especially in dried regions, where water resources are a severe problem. The hydrogel absorbed the water, released it to the plants as required while maintaining the soil moist during long periods. Biopolymer as guar gum-based hydrogel is becoming one of the most green ways to hydrogel materials for water retention. Artificial intelligence (AI) is used in hydrogel technology
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Das, Subhraseema, and Usharani Subuddhi. "Potential of guar gum hydrogels in drug delivery." In Plant and Algal Hydrogels for Drug Delivery and Regenerative Medicine. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-821649-1.00006-4.

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"Application of Biopolymeric Electrospun Nanofibers in Biological Science." In Materials Research Foundations. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901076-7.

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Biopolymers are those class of macromolecules which are found in nature or extracted from the living organisms. Various structures and properties of the biopolymers-based materials are well researched till to date. These mainly includes hydrogels, bio glasses, bio inks, biocomposites, fibers and others. These biopolymers-based structures have some limitations. However, Biopolymers have some common advantages (i.e., non-toxicity, easy availability, monodispersity, degradability, and better solubility etc.) and disadvantages (i.e., poor thermal and chemical stabilities, brittleness etc.). To ove
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Conference papers on the topic "GUAR GUM HYDROGEL"

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Sun, Hongyu, Liguo Zhong, Jianbin Liu, et al. "Experimental Study on the Influence of Hydraulic Fracturing on Hydrogen Sulfide Generation in Longxi Block of Daqing Oilfield." In ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/omae2022-79022.

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Abstract Hydraulic fracturing has a significant effect on increasing production and injection of oil and water wells in low-permeability and tight reservoirs. Hydrogen sulfide (H2S) was generated after hydraulic fracturing of oil and water wells in Longxi Block of Daqing Oilfield. The maximum hydrogen sulfide content in casing gas reached 232 ppm, far exceeding the safety critical concentration value (20 ppm), which increased the risk and difficulty of production and construction operation. In order to reveal the influence mechanism of fracturing on H2S generation in Daqing oilfield, the exper
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Monreal, Gabriel, Frank Zamora, Hans Henrik Ovrebo, Peter Orizondo, and Otto Soidinsalo. "Characterization of a New Green Material for Offshore Well Completions and Downhole Treatments." In Offshore Technology Conference. OTC, 2022. http://dx.doi.org/10.4043/31870-ms.

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Abstract In oil and gas well construction during the drillouts or wellbore cleaning process, one of the most critical functions of land and offshore completions fluids is the ability to suspend solids effectively under extreme downhole conditions. Conventional agents such as xanthan gum, HEC and numerous other polymers have historically been used to accomplish this function, albeit with limitations. Functionally, these commonly used polymers depend primarily upon viscosity rather than elastic characteristics to suspend solids and require intensive chemical processing that leads to high deploym
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