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Sundram S, Dhiman N, Malviya R, Awasthi R. Synthesis of Novel Acrylamide Graft Copolymer of Acacia nilotica Gum for the Stabilization of Melatonin Nanoparticles for Improved Therapeutic Effect: Optimization Using (3) 2 Factorial Design. Assay Drug Dev Technol 2024. [PMID: 38962889 DOI: 10.1089/adt.2024.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/05/2024] Open
Abstract
The objective of the present study was to optimize the microwave-assisted synthesis of the acrylamide graft copolymer of Acacia nilotica gum (AM-co-ANG). Furthermore, graft copolymer was used for the formulation of a nanoparticulate system using a novel top to bottom solvent antisolvent technique for the delivery of melatonin. Grafting of ANG was optimized by using 32 factorial design, where concentrations of polymer and monomer (acrylamide) were used as independent variables and swelling index in acidic (0.1 N HCl) and basic (1 N NaOH) pH. Grafted polymers were further used to develop and optimize nanoparticulate system using concentration of the graft copolymer and concentration of drug as independent variables. The size of the nanoformulation and entrapment efficiency were selected as dependent variables. Difference in infrared spectrum and absorbance maxima in the ultraviolet region confirm that grafting has taken place. Porous structure and a higher contact angle confirmed hydrophobic nature of AM-co-ANG as compared with the native polymer. Acrylamide graft copolymers show more swelling in 1 N NaOH as compared with 0.1 N HCl. In vitro toxicity studies in hepatic (HepG2 cell line), brain (SHSY5Y cell line), and skin (HaCaT cell line) cells easily predict that synthesized polymer have no cytotoxicity. The entrapment efficiency ranged from 55.24 ± 1.35% to 73.21 ± 1.83%. A nonlinear correlation was observed between independent and dependent variables, as confirmed by multivariate analysis of variance, surface regression, and the correlation report. The prepared formulations were able to release drug up to 12 h. The regression coefficient easily predicted that most of the formulations followed Baker-Lonsdale drug release kinetics.
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Affiliation(s)
- Sonali Sundram
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, India
- Department of Pharmaceutical Chemistry, Amity Institute of Pharmacy, Amity University, Noida, India
| | - Neerupma Dhiman
- Department of Pharmaceutical Chemistry, Amity Institute of Pharmacy, Amity University, Noida, India
| | - Rishabha Malviya
- Department of Pharmacy, School of Medical and Allied Sciences, Galgotias University, Greater Noida, India
| | - Rajendra Awasthi
- Department of Pharmaceutical Sciences, School of Health Sciences and Technology, UPES, Dehradun, India
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Das IJ, Kashyap S, Jena K, Sinha A, Chinnappan BA, Rangappa SM, Siengchin S, Chakroborty S, Bal T. Evaluation of microwave irradiated Polyacrylamide grafted Opuntia leaf mucilage graft copolymer (OPM-g-PAM) as effective controlled release polymer for release of Rosuvastastin as model drug. Int J Biol Macromol 2024:133200. [PMID: 38942673 DOI: 10.1016/j.ijbiomac.2024.133200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/02/2024] [Accepted: 06/14/2024] [Indexed: 06/30/2024]
Abstract
Controlled drug delivery systems offer numerous advantages. This research evaluates Opuntia leaf mucilage grafted with polyacrylamide (OPM-g-PAM) as a promising controlled-release polymer. PAM chains were grafted onto the backbone of OPM using a microwave-assisted method. Optimization of the best grade was based on % grafting efficiency and intrinsic viscosity, followed by extensive physical and analytical characterizations. Analytical characterizations revealed semicrystalline nature of the biomaterial. SEM and AFM observations revealed rough and porous surfaces, indicating effective grafting. Swelling behavior showed maximum sensitivity at pH 7, with reduced swelling at higher sodium chloride concentrations. A comparative study of % drug release of Rosuvastatin over 24 h showed that the optimized grade controlled drug release effectively, achieving 78.5 % release compared to 98.8 % for GF-3. The release data fitted the Korsmeyer-Peppas model, with an "n" value of 0.8334, indicating non-Fickian (anomalous) diffusion. Bacterial biodegradability studies confirmed the high biodegradability of the graft copolymer. In vitro acute toxicity tests showed no toxicity, as confirmed by histopathological studies of heart, liver, and kidney. Overall, the results indicate that OPM-g-PAM is a highly promising material for use in drug delivery systems, demonstrating potential as a novel controlled-release polymer.
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Affiliation(s)
- Itishree Jogamaya Das
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, India
| | - Shambhavi Kashyap
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, India
| | - Karmabeer Jena
- CSB-Central Tasar Research and Training Institute, Central Silk Board, P.O. Piska-Nagri, Ranchi 835303, Jharkhand, India
| | - Ananta Sinha
- CSB-Central Tasar Research and Training Institute, Central Silk Board, P.O. Piska-Nagri, Ranchi 835303, Jharkhand, India
| | | | - Sanjay Mavinkere Rangappa
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, Thailand
| | - Suchart Siengchin
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German Graduate School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, Thailand
| | | | - Trishna Bal
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, 835215, India.
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Yang H, Wu K, Zhu J, Lin Y, Ma X, Cao Z, Ma W, Gong F, Liu C, Pan J. Highly efficient and selective removal of anionic dyes from aqueous solutions using polyacrylamide/peach gum polysaccharide/attapulgite composite hydrogels with positively charged hybrid network. Int J Biol Macromol 2024; 266:131213. [PMID: 38552690 DOI: 10.1016/j.ijbiomac.2024.131213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 03/08/2024] [Accepted: 03/26/2024] [Indexed: 04/02/2024]
Abstract
To avoid the weakness (lower adsorption rate and selectivity) of peach gum polysaccharide (PGP) and improve the adsorption performance of polyacrylamide (PAAm) hydrogel (lower adsorption capacity), in the present work, the PGP was chemically tailored to afford ammoniated PGP (APGP) and quaternized PGP (QPGP), and attapulgite (ATP) was bi-functionalized with cation groups and carbon‑carbon double bond. Then, PAAm/APGP and PAAm/QPGP/ATP hydrogels were synthesized via redox polymerization. The synthesis procedure and properties of hydrogels were traced by FTIR, SEM, XPS, TGA, TEM, and BET methods, and the dye adsorption performance of the hydrogels was evaluated using the new coccine (NC) and tartrazine (TTZ) aqueous solutions as the model anionic dyes. Effects of initial dye concentration, pH, and ionic strength on the adsorption were investigated. Compared with PAAm/APGP hydrogel, PAAm/APGP/ATP hydrogel exhibits higher adsorption rate, superior adsorption capacity, stability, and selectivity towards anionic dye. The adsorption process of PAAm/QPGP/ATP hydrogel reached equilibrium in about 20 min and followed the pseudo-second-order kinetic model and Langmuir isotherm. The adsorption capacities towards NC and TTZ of PAAm/QPGP/ATP hydrogel were calculated as 873.235 and 731.432 mg/g. This hydrogel adsorbent originating from PAAm, PGP, and ATP shows great promise for application in practical water treatment.
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Affiliation(s)
- Haicun Yang
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China; National Experimental Demonstration Center for Materials Science and Engineering (Changzhou University), Changzhou, Jiangsu 213164, People's Republic of China
| | - Kaide Wu
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Jianbo Zhu
- Shandong Jianbang New Material Co., Ltd, Jining, Shandong 370800, People's Republic of China
| | - Yongxiang Lin
- Shandong Jianbang New Material Co., Ltd, Jining, Shandong 370800, People's Republic of China
| | - Xudong Ma
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China
| | - Zheng Cao
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China; National Experimental Demonstration Center for Materials Science and Engineering (Changzhou University), Changzhou, Jiangsu 213164, People's Republic of China.
| | - Wenzhong Ma
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China; National Experimental Demonstration Center for Materials Science and Engineering (Changzhou University), Changzhou, Jiangsu 213164, People's Republic of China.
| | - Fanghong Gong
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China; School of Mechanical Technology, Wuxi Institute of Technology, Wuxi, Jiangsu 214121, People's Republic of China.
| | - Chunlin Liu
- Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials, School of Materials Science and Engineering, Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou University, Changzhou, Jiangsu 213164, People's Republic of China; National Experimental Demonstration Center for Materials Science and Engineering (Changzhou University), Changzhou, Jiangsu 213164, People's Republic of China
| | - Ji Pan
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, People's Republic of China; School of Rail Transportation, Soochow University, Suzhou, Jiangsu 215123, People's Republic of China.
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Purohit P, Bhatt A, Mittal RK, Abdellattif MH, Farghaly TA. Polymer Grafting and its chemical reactions. Front Bioeng Biotechnol 2023; 10:1044927. [PMID: 36714621 PMCID: PMC9874337 DOI: 10.3389/fbioe.2022.1044927] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/12/2022] [Indexed: 01/13/2023] Open
Abstract
Polymer grafting is a technique to improve the morphology, chemical, and physical properties of the polymer. This technique has the potential to improve the existing conduction and properties of polymers other than charge transport; as a result, it enhances the solubility, nano-dimensional morphology, biocompatibility, bio-communication, and other property of parent polymer. A polymer's physicochemical properties can be modified even further by creating a copolymer with another polymer or by grafting. Here in the various chemical approaches for polymer grafting, like free radical, click reaction, amide formation, and alkylation have been discussed with their importance, moreover the process and its importance are covered comprehensively with their scientific explanation. The present review also covers the effectiveness of the graft-to approaches and its application in various fields, which will give reader a glimpse about polymer grafting and its uses.
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Affiliation(s)
- Priyank Purohit
- School of Pharmacy, Graphic Era Hill University, Dehradun, India,*Correspondence: Priyank Purohit, ,
| | - Akanksha Bhatt
- School of Pharmacy, Graphic Era Hill University, Dehradun, India
| | | | | | - Thoraya A. Farghaly
- Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
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Azevedo GA, Heinrichs MC, Moraes ÂM. Cashew tree gum for biomaterials engineering: A versatile raw material in consolidation. J Appl Polym Sci 2022. [DOI: 10.1002/app.52484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Gabriel Assis Azevedo
- Department of Engineering of Materials and of Bioprocesses, School of Chemical Engineering University of Campinas Campinas São Paulo Brazil
| | - Maria Carolina Heinrichs
- Department of Engineering of Materials and of Bioprocesses, School of Chemical Engineering University of Campinas Campinas São Paulo Brazil
| | - Ângela Maria Moraes
- Department of Engineering of Materials and of Bioprocesses, School of Chemical Engineering University of Campinas Campinas São Paulo Brazil
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Characterization of Microwave-Controlled Polyacrylamide Graft Copolymer of Tamarind Seed Polysaccharide. Polymers (Basel) 2022; 14:polym14051037. [PMID: 35267860 PMCID: PMC8914783 DOI: 10.3390/polym14051037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 12/02/2022] Open
Abstract
The main objective of the study was to prepare tamarind seed polysaccharide grafted copolymers of polyacrylamide (TSP-g-Am) using a 32 factorial design. Tamarind seed polysaccharide (TSP) was extracted, and grafted copolymer of TSP was prepared using polyacrylamide as copolymer and ceric ammonium nitrate as initiator. Various batches (F1-F9) of TSP-g-Am were prepared, among which F1 showed highest grafting efficiency; hence, the prepared TSP-g-Am (F1) was evaluated for grafting efficiency, conversion, effect of initiator and further characterized using SEM analysis, contact angle determination, DSC analysis, swelling index, swelling and deswelling, and chemical resistance. The contact angle of TSP was found to be 81 ± 2, and that of TSP-g-Am (F1) was found to be 74 ± 2, which indicates that the wetting ability of the grafted copolymer was less than that of the native polymer. The results of thermal analysis indicated that TSP-g-Am had a more stable molecular structure than TSP. The morphology of the grafted polymer was observed from SEM images, and it was observed that the particles was asymmetrical. Antimicrobial activity was also found in the grafted copolymer. The present study concludes that the TSP-g-Am showed an excellent performance in thermal stability and swelling capacity compared with TSP. The detailed structural characteristics, as well as the excellent thermal stability and swelling capacities, will make it beneficial to use the synthesised copolymer as a precursor for the production of large-scale eco-friendly advanced materials with a wide range of applications, acting as a stabiliser, thickener, binder, release retardant, modifier, suspending agent, viscosity enhancer, emulsifying agent, or carrier for novel drug delivery systems in oral, buccal, colon, and ocular systems, and in nanofabrication and wound dressing, and it is also becoming an important part of food, cosmetics, confectionery, and bakery.
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de Souza WFC, Pereira I, de Lucena FA, Martins LP, Furtado RF, de Castro RJS, Sato HH. A new system of Erwinia sp. D12 cells immobilized in a matrix of alginate and algaroba gum (Prosopis juliflora): An efficient way to improve isomaltulose production. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.01.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Chagas ADLD, de Oliveira LP, Cruz MV, de Melo RM, Miguel MP, Fernandes KF, de Menezes LB. Polysaccharide-Based Membrane Biocompatibility Study of Anacardium occidentale L. and Polyvinyl Alcohol after Subcutaneous Implant in Rats. MATERIALS 2022; 15:ma15041296. [PMID: 35207837 PMCID: PMC8878544 DOI: 10.3390/ma15041296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/29/2022] [Accepted: 01/31/2022] [Indexed: 02/05/2023]
Abstract
Polymeric membranes are a viable and sustainable option for the biotechnology industry from an economic and environmental point of view. In this study, we evaluated tissue response and tolerance to the implantation of a polymeric membrane prepared with cashew gum polysaccharide (CGP) associated with polyvinyl alcohol (PVA). The objective was to characterize the biocompatibility of the CGP/PVA membrane in vivo. Following the evaluation criteria of the ISO 10993-6 standard, we demonstrated that the CGP/PVA membrane showed moderate tissue reaction, with a non-irritating ISO pattern, a thinner fibrous capsule, and a smaller amount of collagen compared to the positive control group. At 30 and 60 days, the membrane presented a similar amount of mast cells to that observed in the negative control group. The data demonstrate that the CGP/PVA membrane presents biocompatibility in accordance with the ISO 10993-6 standard.
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Affiliation(s)
- Angelica de Lima das Chagas
- Programa de Pós-Graduação em Ciências da Saúde, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia 74605-050, GO, Brazil;
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
| | - Leiny Paula de Oliveira
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
| | - Mauricio Vicente Cruz
- Departamento de Áreas Acadêmicas II, Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Campus Goiânia, Goiania 74055-120, GO, Brazil;
| | - Renato Miranda de Melo
- Departamento de Cirurgia, Faculdade de Medicina, Universidade Federal de Goiás, Goiânia 74605-050, GO, Brazil;
| | - Marina Pacheco Miguel
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
| | - Katia Flavia Fernandes
- Laboratório de Química de Polímeros, Instituto de Ciências Biológicas, ICB2, Campus Samambaia, Universidade Federal de Goiás, Goiania 74690-900, GO, Brazil;
| | - Liliana Borges de Menezes
- Programa de Pós-Graduação em Ciências Animal, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia 74001-970, GO, Brazil; (L.P.d.O.); (M.P.M.)
- Setor de Patologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Rua 235, s/n, Setor Universitário, Goiânia 74605-050, GO, Brazil
- Correspondence: ; Tel.:+55-62-3209-6110
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Water-Soluble Starch-Based Copolymers Synthesized by Electron Beam Irradiation: Physicochemical and Functional Characterization. MATERIALS 2022; 15:ma15031061. [PMID: 35161009 PMCID: PMC8839537 DOI: 10.3390/ma15031061] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/24/2022] [Accepted: 01/27/2022] [Indexed: 02/05/2023]
Abstract
Modification of natural polymers for applications in the treatment of waste and surface waters is a continuous concern of researchers and technologists in close relation to the advantages they provide as related to classical polymeric flocculants. In this work, copolymers of starch-graft-polyacrylamide (St-g-PAM) were synthesized by electron beam irradiation used as the free radical initiator by applying different irradiation doses and dose rates. St-g-PAM loaded with ex situ prepared silver nanoparticles was also synthesized by using an accelerated electron beam. The graft copolymers were characterized by chemical analysis, rheology, and differential scanning calorimetry (DSC). The results showed that the level of grafting (monomer conversion coefficient and residual monomer concentration), intrinsic viscosity and thermal behavior (thermodynamic parameters) were influenced by the irradiation dose, dose rate and presence of silver nanoparticles. The flocculation performances of the synthesized copolymers were also tested on water from the meat industry in experiments at the laboratory level. In the coagulation–flocculation process, the copolymer aqueous solutions showed good efficiency to improve different water quality indicators.
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Zhao S, Wang R, Jiang F, Pu W. Preparation and structural analysis of a comb‐like polymer through functional monomer design. POLYM ENG SCI 2021. [DOI: 10.1002/pen.25806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shuai Zhao
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum University Chengdu China
| | - Ruolan Wang
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum University Chengdu China
| | - Feng Jiang
- College of Chemistry and Chemical Engineering China West Normal University Nanchong China
| | - Wanfen Pu
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Southwest Petroleum University Chengdu China
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Malviya R, Sundram S, Fuloria S, Subramaniyan V, Sathasivam KV, Azad AK, Sekar M, Kumar DH, Chakravarthi S, Porwal O, Meenakshi DU, Fuloria NK. Evaluation and Characterization of Tamarind Gum Polysaccharide: The Biopolymer. Polymers (Basel) 2021; 13:polym13183023. [PMID: 34577925 PMCID: PMC8467713 DOI: 10.3390/polym13183023] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 08/29/2021] [Accepted: 09/01/2021] [Indexed: 12/14/2022] Open
Abstract
Polymers from natural sources are widely used as excipients in the formulation of pharmaceutical dosage forms. The objective of this study was to extract and further characterize the tamarind gum polysaccharide (TGP) obtained from Tamarindus indica as an excipient for biomedical applications. Double distilled water was used as a solvent for the extraction of gum while Ethyl alcohol was used as an antisolvent for the precipitation. The results of the Hausner ratio, Carr’s index and angle of repose were found to be 0.94, 6.25, and 0.14, respectively, which revealed that the powder is free-flowing with good flowability. The gum was investigated for purity by carrying out chemical tests for different phytochemical constituents and only carbohydrates were found to be present. The swelling index was found to be 87 ± 1%, which shows that TGP has good water intake capacity. The pH of the 1% gum solution was found to be neutral, approximately 6.70 ± 0.01. The ash values such as total ash, sulphated ash, acid insoluble ash, and water-soluble ash were found to be 14.00 ± 1.00%, 13.00 ± 0.05%, 14.04 ± 0.57% and 7.29 ± 0.06%, respectively. The IR spectra confirmed the presence of alcohol, amines, ketones, anhydrides groups. The contact angle was <90°, indicating favorable wetting and good spreading of liquid over the surface The scanning electron micrograph (SEM) revealed that the particle is spherical in shape and irregular. DSC analysis shows a sharp exothermic peak at 350 °C that shows its crystalline nature. The results of the evaluated properties showed that TGP has acceptable properties and can be used as a excipient to formulate dosage forms for biomedical applications.
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Affiliation(s)
- Rishabha Malviya
- Department of Pharmacy, School of Medical & Allied Sciences, Galgotias University, Greater Noida 201310, Uttar Pradesh, India; (R.M.); (S.S.)
| | - Sonali Sundram
- Department of Pharmacy, School of Medical & Allied Sciences, Galgotias University, Greater Noida 201310, Uttar Pradesh, India; (R.M.); (S.S.)
| | - Shivkanya Fuloria
- Faculty of Pharmacy, Centre of Excellence for Biomaterials Engineering, AIMST University, Bedong 08100, Kedah, Malaysia
- Correspondence: (S.F.); (N.K.F.); Tel.: +60-143034057 (S.F.); +60-164037685 (N.K.F.)
| | - Vetriselvan Subramaniyan
- Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jalan SP 2, Bandar Saujana Putra, Jenjarom 42610, Selangor, Malaysia; (V.S.); (S.C.)
| | - Kathiresan V. Sathasivam
- Faculty of Applied Science, Centre of Excellence for Biomaterials Engineering, AIMST University, Bedong 08100, Kedah, Malaysia;
| | - Abul Kalam Azad
- Advanced Drug Delivery Laboratory, Faculty of Pharmacy, International Islamic University Malaysia, Kuantan 25200, Pahang Darul Makmur, Malaysia;
| | - Mahendran Sekar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Universiti Kuala Lumpur Royal College of Medicine Perak, Ipoh 30450, Perak, Malaysia;
| | - Darnal Hari Kumar
- Jeffrey Cheah School of Medicine & Health Sciences, Monash University, No.3 Jalan Masjid Abu Bakar, 80100 Johor Bahru, Johor, Malaysia;
| | - Srikumar Chakravarthi
- Faculty of Medicine, Bioscience and Nursing, MAHSA University, Jalan SP 2, Bandar Saujana Putra, Jenjarom 42610, Selangor, Malaysia; (V.S.); (S.C.)
| | - Omji Porwal
- Department of Pharmacognosy, Tishk International University, Erbil 44001, Iraq;
| | | | - Neeraj Kumar Fuloria
- Faculty of Pharmacy, Centre of Excellence for Biomaterials Engineering, AIMST University, Bedong 08100, Kedah, Malaysia
- Correspondence: (S.F.); (N.K.F.); Tel.: +60-143034057 (S.F.); +60-164037685 (N.K.F.)
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Rodrigues Sousa H, Lima IS, Neris LML, Silva AS, Santos Nascimento AMS, Araújo FP, Ratke RF, Silva DA, Osajima JA, Bezerra LR, Silva-Filho EC. Superabsorbent Hydrogels Based to Polyacrylamide/Cashew Tree Gum for the Controlled Release of Water and Plant Nutrients. Molecules 2021; 26:2680. [PMID: 34063701 PMCID: PMC8125684 DOI: 10.3390/molecules26092680] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/27/2021] [Accepted: 04/27/2021] [Indexed: 11/17/2022] Open
Abstract
Agricultural production is influenced by the water content in the soil and availability of fertilizers. Thus, superabsorbent hydrogels, based on polyacrylamide, natural cashew tree gum (CG) and potassium hydrogen phosphate (PHP), as fertilizer and water releaser were developed. The structure, morphology, thermal stability and chemical composition of samples of polyacrylamide and cashew tree gum hydrogels with the presence of fertilizer (HCGP) and without fertilizer (HCG) were investigated, using X-ray diffractometry (XRD), Fourier Transformed Infrared Spectroscopy (FTIR), Scanning Electron Microscopy (SEM), Thermogravimetric Analysis (TGA/DTG) and Energy Dispersive Spectroscopy (EDS). Swelling/reswelling tests, textural analysis, effect of pH, release of nutrients and kinetics were determined; the ecotoxicity of the hydrogels was investigated by the Artemia salina test. The results showed that PHP incorporation in the hydrogel favored the crosslinking of chains. This increased the thermal stability in HCGP but decreased the hardness and adhesion properties. The HCGP demonstrated good swelling capacity (~15,000 times) and an excellent potential for reuse after fifty-five consecutive cycles. The swelling was favored in an alkaline pH due to the ionization of hydrophilic groups. The sustained release of phosphorus in HCGP was described by the Korsmeyer-Peppas model, and Fickian diffusion is the main fertilizer release mechanism. Finally, the hydrogels do not demonstrate toxicity, and HCGP has potential for application in agriculture.
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Affiliation(s)
- Heldeney Rodrigues Sousa
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Idglan Sá Lima
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Lucas Matheus Lima Neris
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Albert Santos Silva
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Ariane Maria Silva Santos Nascimento
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Francisca Pereira Araújo
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Rafael Felippe Ratke
- Graduate Studies in Agronomy, Mato Grosso of Soulth Federal University, Chapadão do Sul 76560-000, Mato Grosso do Sul, Brazil;
| | - Durcilene Alves Silva
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
- Research Center on Biodiversity and Biotechnolog, Delta do Parnaíba Federal University, Parnaíba 64202-020, Piaui, Brazil
| | - Josy Anteveli Osajima
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
| | - Leilson Rocha Bezerra
- Veterinary Medicine Academic Unit, Campina Grande Federal University, Patos 58708-110, Paraíba, Brazil;
| | - Edson Cavalcanti Silva-Filho
- LIMAV, Interdisciplinary Laboratory for Advanced Materials, Piaui Federal University, Campus Universitário Ministro Petrônio Portella, Teresina 64049-550, Piaui, Brazil; (H.R.S.); (I.S.L.); (L.M.L.N.); (A.S.S.); (A.M.S.S.N.); (F.P.A.); (D.A.S.); (J.A.O.)
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13
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Singh B, Mohan M, Singh B. Synthesis and characterization of the azadirachta indica gum–polyacrylamide interpenetrating network for biomedical applications. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2020. [DOI: 10.1016/j.carpta.2020.100017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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14
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Araújo CM, das Virgens Santana M, do Nascimento Cavalcante A, Nunes LCC, Bertolino LC, de Sousa Brito CAR, Barreto HM, Eiras C. Cashew-gum-based silver nanoparticles and palygorskite as green nanocomposites for antibacterial applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 115:110927. [DOI: 10.1016/j.msec.2020.110927] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 03/09/2020] [Accepted: 04/01/2020] [Indexed: 01/06/2023]
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15
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Conversion of Lignocellulosic Corn Agro-Waste into Cellulose Derivative and Its Potential Application as Pharmaceutical Excipient. Processes (Basel) 2020. [DOI: 10.3390/pr8060711] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Lignocellulosic biomass is widely grown in many agricultural-based countries. These are typically incinerated or discarded in open spaces, which further may cause severe health and environmental problems. Hence, the proper utilization and conversion of different parts of lignocellulosic biomasses (e.g., corn wastes derived leave, cob, stalk, and husk) into value-added materials could be a promising way of protecting both health and environments. In addition, they have high-potential for myriads applications (e.g., pharmaceuticals, cosmetics, textiles, and so on). In this context, herein, we isolated holocellulose (a mixture of alpha α, beta β, and gamma γ cellulose) from corn waste, and then it was converted into carboxymethyl cellulose (CMC). Subsequently, the prepared CMC was evaluated successfully to be used as a pharmaceutical excipient. Different characterization tools were employed for structural, morphological, and thermal properties of the extracted holocellulose and synthesized CMC. Results showed that the highest yield of CMC was obtained 187.5% along with the highest degree of substitution (DS i.e., 1.83) in a single stage (i.e., size reduction technique) with the lowest particle size of holocellulose (100 µm). This happened due to the use of a single stage instead of multiple stages. Finally, extracted CMC was successfully used as a pharmaceutical excipient with promising results compared to commercially available pharmaceutical-grade CMC.
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16
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Bal T, Swain S. Microwave assisted synthesis of polyacrylamide grafted polymeric blend of fenugreek seed mucilage-Polyvinyl alcohol (FSM-PVA-g-PAM) and its characterizations as tissue engineered scaffold and as a drug delivery device. Daru 2020; 28:33-44. [PMID: 30712231 PMCID: PMC7214592 DOI: 10.1007/s40199-019-00237-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 01/02/2019] [Indexed: 11/28/2022] Open
Abstract
Microwave assisted synthesis of graft copolymer of polymeric blend of Fenugreek seed mucilage (FSM)-Polyvinyl alcohol (PVA) with acrylamide (AM) was done by free radical polymerization using ammonium per sulfate (APS) as initiator. Varying amount of AM and APS was used to optimize the best grade based on highest percentage grafting efficiency and investigated with intrinsic viscosity measurement, Fourier Transformation infrared spectroscopy (FTIR),13C NMR spectra, X-ray diffraction, elemental analysis, Thermogravimetric analysis, Scanning electron microscopy. The results of intrinsic viscosity indicate that the optimized sample GF4 has longer chain length than in comparison to the native mucilage and thus exhibits more swelling tendencies and thus can be used as very good controlled release matrix system. The thermal analysis and X-ray indicates that GF4 is more stable and possess more amorphous properties than the native FSM. The NMR and FT-IR studies reveal that in GF4 there is prominent presence of amide and the hydroxyl groups indicating that grafting mechanism has efficiently taken place. Histological studies & SEM image for optimized grade implanted on animals revealed sufficient tissue growth and exhibited biodegradability proving the material to be biocompatible and suitable to be used as tissue engineered scaffolds. The controlled release behavior of the optimized polymeric system GF4 was evidenced by 95% release of loaded drug Enalapril maleate for 16 h. Graphical abstract.
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Affiliation(s)
- Trishna Bal
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology Mesra, Ranchi, Jharkhand, 835215, India.
| | - Sabyasachi Swain
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology Mesra, Ranchi, Jharkhand, 835215, India
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17
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Mate CJ, Mishra S, Srivastava P. In vitro release kinetics of graft matrices from Lannea coromandelica (Houtt) gum for treatment of colonic diseases by 5-ASA. Int J Biol Macromol 2020; 149:908-920. [DOI: 10.1016/j.ijbiomac.2020.02.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/31/2020] [Accepted: 02/03/2020] [Indexed: 11/28/2022]
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18
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Bal T, Yadav SK, Rai N, Swain S, Shambhavi, Garg S, Sen G. Invitro evaluations of free radical assisted microwave irradiated polyacrylamide grafted cashew gum (CG) biocompatible graft copolymer (CG-g-PAM) as effective polymeric scaffold. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101572] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Self-assembling cashew gum-graft-polylactide copolymer nanoparticles as a potential amphotericin B delivery matrix. Int J Biol Macromol 2020; 152:492-502. [PMID: 32097738 DOI: 10.1016/j.ijbiomac.2020.02.166] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/14/2020] [Accepted: 02/15/2020] [Indexed: 01/13/2023]
Abstract
Amphotericin B is an antibiotic used in the treatment of fungal disease and leishmania; however, it exhibits side effects to patients, hindering its wider application. Therefore, nanocarriers have been investigated as delivery systems for amphotericin B (AMB) in order to decrease its toxicity, besides increase bioavailability and solubility. Amphiphilic copolymers are interesting materials to encapsulate hydrophobic drugs such as AMB, hence copolymers of cashew gum (CG) and l-lactide (LA) were synthesized using two different CG:LA molar ratios (1:1 and 1:10). Data obtained revealed that copolymer nanoparticles present similar figures for particle sizes and zeta potentials; however, particle size of encapsulated AMB increases if compared to unloaded nanoparticles. The 1:10 nanoparticle sample has better stability although higher polydispersity index (PDI) if compared to 1:1 sample. High amphotericin (AMB) encapsulation efficiencies and low hemolysis were obtained. AMB loaded copolymers show lower aggregation pattern than commercial AMB solution. AMB loaded nanoparticles show antifungal activities against four C. albicans strains. It can be inferred that cashew gum/polylactide copolymers have potential as nanocarrier systems for AMB.
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20
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Acrylamide grafted neem (Azadirachta indica) gum polymer: Screening and exploration as a drug release retardant for tablet formulation. Carbohydr Polym 2020; 229:115357. [DOI: 10.1016/j.carbpol.2019.115357] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/28/2019] [Accepted: 09/19/2019] [Indexed: 01/06/2023]
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21
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Sustainable natural gums for industrial application: Physiochemical and texturometric evaluation. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.101306] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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22
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Badwaik HR, Alexander A, Sakure K. Understanding the Significance of Microwave Radiation for the Graft Copolymerization of Acrylamide on Carboxymethyl Xanthan Gum. CURRENT MICROWAVE CHEMISTRY 2019. [DOI: 10.2174/2213335606666190307162901] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Nowadays, microwave assisted techniques are becoming popular ecofriendly
approaches in Green Chemistry. However, to date, no study has reported the microwave assisted
graft copolymerization of acrylamide on carboxymethyl xanthan gum backbone.
Objective:
The objective of this study was to study the effect of microwave radiations on graft copolymerization
of acrylamide on carboxymethyl xanthan gum.
Methods:
Carboxymethyl xanthan gum was grafted with acrylamide under microwave irradiation.
The grafting process is optimized by varying the amount of carboxymethyl xanthan gum, acrylamide,
ammonium persulphate, microwave power and exposure time. The graft copolymer was further characterized
and evaluated for its efficacy.
Results:
Grafting was successfully optimized for higher grafting efficiency (92.4 %) and grafting
(410.5 %) in a short reaction time of 150 s, at 40 times less concentration of ammonium persulphate.
The characterization study confirmed the grafting of acrylamide on the hydroxyl group of carboxymethyl
xanthan gum backbone.
Conclusion:
Microwave radiations play a vital role in graft copolymerization of acrylamide on carboxymethyl
xanthan gum, in short reaction time, at 40 times less concentration of initiator. The synthesized
graft copolymers remain nontoxic and also showed more antimicrobial activity than carboxymethyl
xanthan gum.
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Affiliation(s)
- Hemant R. Badwaik
- Rungta College of Pharmaceutical Sciences and Research, Kohka-Kurud Road, Bhilai 490023, Chhattisgarh, India
| | - Amit Alexander
- Rungta College of Pharmaceutical Sciences and Research, Kohka-Kurud Road, Bhilai 490023, Chhattisgarh, India
| | - Kalyani Sakure
- Rungta College of Pharmaceutical Sciences and Research, Kohka-Kurud Road, Bhilai 490023, Chhattisgarh, India
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23
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Shi Z, Jia C, Wang D, Deng J, Xu G, Wu C, Dong M, Guo Z. Synthesis and characterization of porous tree gum grafted copolymer derived from Prunus cerasifera gum polysaccharide. Int J Biol Macromol 2019; 133:964-970. [DOI: 10.1016/j.ijbiomac.2019.04.128] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 04/13/2019] [Accepted: 04/16/2019] [Indexed: 02/04/2023]
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24
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Machale J, Majumder SK, Ghosh P, Sen TK. Role of chemical additives and their rheological properties in enhanced oil recovery. REV CHEM ENG 2019. [DOI: 10.1515/revce-2018-0033] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
A significant amount of oil (i.e. 60–70%) remains trapped in reservoirs after the conventional primary and secondary methods of oil recovery. Enhanced oil recovery (EOR) methods are therefore necessary to recover the major fraction of unrecovered trapped oil from reservoirs to meet the present-day energy demands. The chemical EOR method is one of the promising methods where various chemical additives, such as alkalis, surfactants, polymer, and the combination of all alkali–surfactant–polymer (ASP) or surfactant–polymer (SP) solutions, are injected into the reservoir to improve the displacement and sweep efficiency. Every oil field has different conditions, which imposes new challenges toward alternative but more effective EOR techniques. Among such attractive alternative additives are polymeric surfactants, natural surfactants, nanoparticles, and self-assembled polymer systems for EOR. In this paper, water-soluble chemical additives such as alkalis, surfactants, polymer, and ASP or SP solution for chemical EOR are highlighted. This review also discusses the concepts and techniques related to the chemical methods of EOR, and highlights the rheological properties of the chemicals involved in the efficiency of EOR methods.
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Affiliation(s)
- Jinesh Machale
- Department of Chemical Engineering , Indian Institute of Technology Guwahati , Guwahati 781039, Assam , India
| | - Subrata Kumar Majumder
- Department of Chemical Engineering , Indian Institute of Technology Guwahati , Guwahati 781039, Assam , India
| | - Pallab Ghosh
- Department of Chemical Engineering , Indian Institute of Technology Guwahati , Guwahati 781039, Assam , India
| | - Tushar Kanti Sen
- Department of Chemical Engineering , Curtin University , GPO Box U1987 , Perth, WA 6845 , Australia
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25
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Zheng M, Lian F, Xiong Y, Liu B, Zhu Y, Miao S, Zhang L, Zheng B. The synthesis and characterization of a xanthan gum-acrylamide-trimethylolpropane triglycidyl ether hydrogel. Food Chem 2019; 272:574-579. [DOI: 10.1016/j.foodchem.2018.08.083] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 07/28/2018] [Accepted: 08/20/2018] [Indexed: 11/15/2022]
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26
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Dan S, Mandal P, Bose A, Pal TK. Microwave Assisted Acrylamide Grafting on a Natural Gum Cassia Tora: Characterization and Pharmacokinetic Evaluation of the Formulation Containing Metformin and Sitagliptin in Rats by LC-MS/MS. ACTA ACUST UNITED AC 2018. [DOI: 10.1080/22297928.2018.1479305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Shubhasis Dan
- Bioequivalence Study Centre, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
- TAAB Biostudy Services, Kolkata, India
| | - Pallab Mandal
- Bioequivalence Study Centre, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
| | - Anirbandeep Bose
- Universiti Teknologi MARA, Non-Destructive Biomedical and Pharmaceutical Research Centre, Puncak Alam 42300, Malaysia
| | - Tapan Kumar Pal
- Bioequivalence Study Centre, Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
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27
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Zhao C, Zheng H, Sun Y, Zhang S, Liang J, Liu Y, An Y. Evaluation of a novel dextran-based flocculant on treatment of dye wastewater: Effect of kaolin particles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 640-641:243-254. [PMID: 29859440 DOI: 10.1016/j.scitotenv.2018.05.286] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 05/23/2018] [Accepted: 05/23/2018] [Indexed: 06/08/2023]
Abstract
Graft modified flocculants have recently received increasing attention in the field of water treatment as they have the combinative advantages of synthetic and natural polymeric flocculants. In this work, surface-active monomer benzyl(methacryloyloxyethyl)dimethylammonium chloride (BMDAC) was selected to graft on dextran (DX) with high molecular weight (10.3 × 106 g/mol) produced through enzyme-catalyzed process in order to remove dissolved dyes from wastewater. The flocculant (DAB) was fabricated by ultrasound initiated polymerization technique, and the structure characterization of FTIR, 1H/12C NMR, XRD and XPS spectrum confirmed the successful grafting. Then the Congo red (CR) removal efficiency by DAB was optimized based on the flocculation conditions, including wastewater initial pH, flocculant dosage and initial dye concentration. The effect of suspended solids on the removal of dyes was evaluated in kaolin-CR simulated wastewater. The results indicated that the optimal removal efficiency of CR was 68.1% and 88.2% in single CR and kaolin-CR flocculation system, respectively. The improvement of removal efficiency was attributed to the fact that partial CR molecules were adsorbed onto kaolin particles before flocculation, and were synergistically flocculated accompanied by kaolin particles. Finally, the flocculation mechanism was discussed by a detailed investigation of the zeta potentials, FTIR and XPS spectra of flocs, which can provide important reference for optimizing the flocculation conditions and designing novel high-performance flocculants.
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Affiliation(s)
- Chuanliang Zhao
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Huaili Zheng
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, China.
| | - Yongjun Sun
- Jiangsu Key Laboratory of Industrial Water-Conservation & Emission Reduction, College of Environment, Nanjing Tech University, Nanjing 211800, China
| | - Shixin Zhang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Jianjun Liang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Yongzhi Liu
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, China
| | - Yanyan An
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, State Ministry of Education, Chongqing University, Chongqing 400045, China
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28
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Mahmoud GA, Ezz El-Din MR, Saad EA, Mohamed AA. Characterization and Properties of Magnetic and Non-magnetic (Gum Acacia/Polyacryamide/Graphene) Nanocomposites Prepared by Gamma Irradiation. J Inorg Organomet Polym Mater 2018. [DOI: 10.1007/s10904-018-0901-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Sethi S, Mangla B, Kamboj S, Rana V. A QbD approach for the fabrication of immediate and prolong buoyant cinnarizine tablet using polyacrylamide-g-corn fibre gum. Int J Biol Macromol 2018; 117:350-361. [DOI: 10.1016/j.ijbiomac.2018.05.178] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 05/02/2018] [Accepted: 05/24/2018] [Indexed: 11/28/2022]
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30
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Klein JM, de Lima VS, da Feira JMC, Camassola M, Brandalise RN, Forte MMDC. Preparation of cashew gum-based flocculants by microwave- and ultrasound-assisted methods. Int J Biol Macromol 2018; 107:1550-1558. [DOI: 10.1016/j.ijbiomac.2017.09.118] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Revised: 08/24/2017] [Accepted: 09/28/2017] [Indexed: 10/18/2022]
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31
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Sanaeishoar H, Sabbaghan M, Argyropoulos DS. Ultrasound assisted polyacrylamide grafting on nano-fibrillated cellulose. Carbohydr Polym 2017; 181:1071-1077. [PMID: 29253933 DOI: 10.1016/j.carbpol.2017.11.042] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/12/2017] [Accepted: 11/14/2017] [Indexed: 10/18/2022]
Abstract
Polyacrylamide has been grafted onto nanofibrillated cellulose (NFC-g-PAM) under mild conditions. This was accomplished by developing and optimizing an ultrasound assisted protocol in the presence of potassium persulfate initiator. The synthesis was optimized on the basis of maximizing grafting percentage and grafting efficiency by varying the initiator and monomer concentration. The data shows that ultrasound has a profound effect in promoting the grafting of PAM onto NFC. The intended grafting was confirmed and the properties of the new co-polymers were examined by elemental analyses, Fourier transform infrared spectroscopy, thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). Intrinsic viscosity determinations in 0.1M cupriethylenediamine solutions for the NFC-g-PAM copolymers and the starting NFC and PAM homopolymer revealed that grafting of PAM onto nanofibrillated cellulose has a profound effect on the hydrodynamic characteristics of the graft polymers.
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Affiliation(s)
- Haleh Sanaeishoar
- Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran.
| | - Maryam Sabbaghan
- Chemistry Department, Faculty of Sciences, Shahid Rajaee Teacher Training University, PO Box 16785 163 Tehran, Iran.
| | - Dimitris S Argyropoulos
- Department of Forest Biomaterials, Organic Chemistry of Wood Components Laboratory, North Carolina State University, 2820 Faucette Drive, Raleigh, NC 27695-8005, United States.
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32
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Baki M, Abedi-Koupai J. Preparation and characterization of a superabsorbent slow-release fertilizer with sodium alginate and biochar. J Appl Polym Sci 2017. [DOI: 10.1002/app.45966] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- M. Baki
- Department of Water Engineering, College of Agriculture; Isfahan University of Technology; Isfahan 84156-83111 Iran
| | - J. Abedi-Koupai
- Department of Water Engineering, College of Agriculture; Isfahan University of Technology; Isfahan 84156-83111 Iran
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33
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Fast microwave-assisted green synthesis of xanthan gum grafted acrylic acid for enhanced methylene blue dye removal from aqueous solution. Carbohydr Polym 2017; 176:315-326. [PMID: 28927614 DOI: 10.1016/j.carbpol.2017.08.093] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2017] [Revised: 08/11/2017] [Accepted: 08/19/2017] [Indexed: 11/24/2022]
Abstract
In the present project, graft polymerization was employed to synthesis a novel adsorbent using acrylic acid (AA) and xanthan gum (XG) for cationic methylene dye (MB+) removal from aqueous solution. The XG was rapidly grafted with acrylic acid (CH2=CHCOOH) under microwave heating. Fourier-transform infrared spectroscopy (FTIR), Proton Nuclear magnetic resonance spectroscopy (1H NMR), scanning electron microscopy (SEM), X-ray diffraction (XRD) and Thermal gravimetric analysis (TGA) techniques were used to verify the adsorbent formed under optimized reaction conditions. Optimum reaction conditions [AA (0.4M), APS (0.05M), XG (2gL-1), MW power (100%), MW time (80s)] offer maximum %G and %GE of 484 and 78.3, respectively. The removal ratio of adsorbent to MB+ reached to 92.8% at 100mgL-1. Equilibrium and kinetic adsorptions of dyes were better explained by the Langmuir isotherm and pseudo second-order kinetic model respectively. The results demonstrate xanthan gum grafted polyacrylic acid (mw XG-g-PAA) absorbent had the universality for removal of dyes through the chemical adsorption mechanism.
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Wei W, Qi X, Li J, Zhong Y, Zuo G, Pan X, Su T, Zhang J, Dong W. Synthesis and characterization of a novel cationic hydrogel base on salecan-g-PMAPTAC. Int J Biol Macromol 2017; 101:474-480. [DOI: 10.1016/j.ijbiomac.2017.03.106] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Revised: 03/08/2017] [Accepted: 03/20/2017] [Indexed: 01/02/2023]
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Dutta K, Das B, Mondal D, Adhikari A, Rana D, Kumar Chattopadhyay A, Banerjee R, Mishra R, Chattopadhyay D. An ex situ approach to fabricating nanosilica reinforced polyacrylamide grafted guar gum nanocomposites as an efficient biomaterial for transdermal drug delivery application. NEW J CHEM 2017. [DOI: 10.1039/c7nj01713h] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
A novel biocompatible TDDS based on nano-silica reinforced polyacrylamide grafted guar-gum nanocomposite.
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Affiliation(s)
- Koushik Dutta
- Department of Polymer Science and Technology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
| | - Beauty Das
- Department of Polymer Science and Technology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
| | - Dipankar Mondal
- Department of Polymer Science and Technology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
| | - Arpita Adhikari
- Department of Polymer Science and Technology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
| | - Dipak Rana
- Department of Chemical and Biological Engineering
- Industrial Membrane Research Institute
- University of Ottawa
- 161 Louis Pasteur St
- Ottawa
| | - Atis Kumar Chattopadhyay
- Faculty Council For PG & UG Studies in Science
- Jadavpur University, 188 Raja S. C. Mallick Road
- Kolkata
- India
| | - Rajdeb Banerjee
- Department of Physiology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
| | - Roshnara Mishra
- Department of Physiology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
| | - Dipankar Chattopadhyay
- Department of Polymer Science and Technology
- University of Calcutta
- 92 A.P.C. Road
- Kolkata 700009
- India
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Tungala K, Adhikary P, Azmeera V, Kumar K, Krishnamoorthi S. Dendritic star polymer of polyacrylamide based on a β-cyclodextrin trimer: a flocculant and drug vehicle. NEW J CHEM 2017. [DOI: 10.1039/c6nj02599d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
3-β-CD-PAM: a better flocculant in water treatment and methylene blue dye removal, and a vehicle for the drugs diclofenac sodium and doxorubicin.
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Affiliation(s)
- Kranthikumar Tungala
- Department of Chemistry
- Centre of Advanced Studies
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
| | - Pubali Adhikary
- Department of Chemistry
- Centre of Advanced Studies
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
| | - Venkanna Azmeera
- Department of Chemistry
- Centre of Advanced Studies
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
| | - Krishna Kumar
- Department of Applied Science
- Madan Mohan Malaviya University of Technology
- Gorakhpur-273010
- India
| | - S. Krishnamoorthi
- Department of Chemistry
- Centre of Advanced Studies
- Institute of Science
- Banaras Hindu University
- Varanasi-221005
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37
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QbD based synthesis and characterization of polyacrylamide grafted corn fibre gum. Carbohydr Polym 2017; 156:45-55. [DOI: 10.1016/j.carbpol.2016.08.089] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/23/2016] [Accepted: 08/26/2016] [Indexed: 11/21/2022]
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38
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Abreu CM, Paula HC, Seabra V, Feitosa JP, Sarmento B, de Paula RC. Synthesis and characterization of non-toxic and thermo-sensitive poly( N -isopropylacrylamide)-grafted cashew gum nanoparticles as a potential epirubicin delivery matrix. Carbohydr Polym 2016; 154:77-85. [DOI: 10.1016/j.carbpol.2016.08.031] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 08/09/2016] [Accepted: 08/09/2016] [Indexed: 12/24/2022]
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Klein JM, Silva de Lima V, Couto da Feira JM, Nichele Brandalise R, de Camargo Forte MM. Chemical modification of cashew gum with acrylamide using an ultrasound-assisted method. J Appl Polym Sci 2016. [DOI: 10.1002/app.43634] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jalma Maria Klein
- Laboratory of Polymeric Materials (LAPOL); Engineering School; Federal University of Rio Grande do Sul (UFRGS); P.O. Box 15010 Porto Alegre RS 91501-970 Brazil
| | - Vanessa Silva de Lima
- Laboratory of Polymeric Materials (LAPOL); Engineering School; Federal University of Rio Grande do Sul (UFRGS); P.O. Box 15010 Porto Alegre RS 91501-970 Brazil
| | - José Manoel Couto da Feira
- Laboratory of Polymeric Materials (LAPOL); Engineering School; Federal University of Rio Grande do Sul (UFRGS); P.O. Box 15010 Porto Alegre RS 91501-970 Brazil
| | - Rosmary Nichele Brandalise
- Exact Science and Technology Center; University of Caxias do Sul (UCS); P.O. Box 1352 Caxias do Sul RS 95070-560 Brazil
| | - Maria Madalena de Camargo Forte
- Laboratory of Polymeric Materials (LAPOL); Engineering School; Federal University of Rio Grande do Sul (UFRGS); P.O. Box 15010 Porto Alegre RS 91501-970 Brazil
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Synthesis and characterisation of poly(acryalamide) grafted carboxymethyl xanthan gum copolymer. Int J Biol Macromol 2016; 85:361-9. [DOI: 10.1016/j.ijbiomac.2016.01.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 01/04/2016] [Indexed: 11/17/2022]
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Ribeiro AJ, de Souza FRL, Bezerra JMNA, Oliveira C, Nadvorny D, de La Roca Soares MF, Nunes LCC, Silva-Filho EC, Veiga F, Soares Sobrinho JL. Gums' based delivery systems: Review on cashew gum and its derivatives. Carbohydr Polym 2016; 147:188-200. [PMID: 27178924 DOI: 10.1016/j.carbpol.2016.02.042] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 02/06/2016] [Accepted: 02/14/2016] [Indexed: 11/28/2022]
Abstract
The development of delivery systems using natural polymers such as gums offers distinct advantages, such as, biocompatibility, biodegradability, and cost effectiveness. Cashew gum (CG) has rheological and mucoadhesive properties that can find many applications, among which the design of delivery systems for drugs and other actives such as larvicide compounds. In this review CG is characterized from its source through to the process of purification and chemical modification highlighting its physicochemical properties and discussing its potential either for micro and nanoparticulate delivery systems. Chemical modifications of CG increase its reactivity towards the design of delivery systems, which provide a sustained release effect for larvicide compounds. The purification and, the consequent characterization of CG either original or modified are of utmost importance and is still a continuing challenge when selecting the suitable CG derivative for the delivery of larvicide compounds.
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Affiliation(s)
- António J Ribeiro
- Faculdade de Farmácia, Universidade de Coimbra, 3000-548 Coimbra, Portugal; I3S, Instituto de Investigação e Inovação em Saúde, IBMC-Instituto de Biologia Molecular e Celular, Genetics of Cognitive Dysfunction, Rua do Campo Alegre 823, 4150-180 Porto, Portugal.
| | - Flávia R Lucena de Souza
- Núcleo de Controle de Qualidade de Medicamentos e Correlatos-NCQMC, Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco-UFPE, Brazil
| | - Janira M N A Bezerra
- Núcleo de Controle de Qualidade de Medicamentos e Correlatos-NCQMC, Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco-UFPE, Brazil
| | - Claudia Oliveira
- Faculdade de Farmácia, Universidade de Coimbra, 3000-548 Coimbra, Portugal; I3S, Instituto de Investigação e Inovação em Saúde, IBMC-Instituto de Biologia Molecular e Celular, Genetics of Cognitive Dysfunction, Rua do Campo Alegre 823, 4150-180 Porto, Portugal
| | - Daniela Nadvorny
- Núcleo de Controle de Qualidade de Medicamentos e Correlatos-NCQMC, Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco-UFPE, Brazil
| | - Monica F de La Roca Soares
- Núcleo de Controle de Qualidade de Medicamentos e Correlatos-NCQMC, Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco-UFPE, Brazil
| | - Lívio C C Nunes
- Laboratório Interdisciplinar de Materiais Avançados-LIMAV, Centro de Ciências da Natureza-CCN, Universidade Federal do Piauí-UFPI, Brazil
| | - Edson C Silva-Filho
- Laboratório Interdisciplinar de Materiais Avançados-LIMAV, Centro de Ciências da Natureza-CCN, Universidade Federal do Piauí-UFPI, Brazil
| | - Francisco Veiga
- CNC.IBILI, Universidade de Coimbra, 3000-548 Coimbra, Portugal; Faculdade de Farmácia, Universidade de Coimbra, 3000-548 Coimbra, Portugal
| | - José L Soares Sobrinho
- Núcleo de Controle de Qualidade de Medicamentos e Correlatos-NCQMC, Departamento de Ciências Farmacêuticas, Universidade Federal de Pernambuco-UFPE, Brazil
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Qiu H, Yan J, Lan G, Liu Y, Song X, Peng W, Cui Y. Removal of Cu2+ from wastewater by modified xanthan gum (XG) with ethylenediamine (EDA). RSC Adv 2016. [DOI: 10.1039/c6ra11423g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Herein, a new adsorbent was synthesized by modifying xanthan gum for the removal of Cu2+ from wastewater.
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Affiliation(s)
- Haiyan Qiu
- State Key Laboratory of Oil Gas Reservoir Geology and Exploitation
- Southwest Petroleum University
- Chengdu 610500
- China
- College of Chemistry and Chemical Engineering
| | - Junhua Yan
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
| | - Guihong Lan
- State Key Laboratory of Oil Gas Reservoir Geology and Exploitation
- Southwest Petroleum University
- Chengdu 610500
- China
- College of Chemistry and Chemical Engineering
| | - Yongqiang Liu
- Faculty of Engineering and the Environment
- University of Southampton
- Southampton SO171BJ
- UK
| | - Xiaoqin Song
- State Key Laboratory of Oil Gas Reservoir Geology and Exploitation
- Southwest Petroleum University
- Chengdu 610500
- China
- College of Chemistry and Chemical Engineering
| | - Wanxi Peng
- College of Wood Science and Engineering
- Central South University of Forestry and Technology
- Changsha 410004
- China
| | - Yingyi Cui
- College of Chemistry and Chemical Engineering
- Southwest Petroleum University
- Chengdu 610500
- China
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43
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Cho MK, Singu BS, Na YH, Yoon KR. Fabrication and characterization of double-network agarose/polyacrylamide nanofibers by electrospinning. J Appl Polym Sci 2015. [DOI: 10.1002/app.42914] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Min Kyoung Cho
- Department of Chemistry; Hannam University; 461-6 Jeonmin-Dong Yuseong-Gu, Daejeon 305-811 Korea
| | - Bal Sydulu Singu
- Department of Chemistry; Hannam University; 461-6 Jeonmin-Dong Yuseong-Gu, Daejeon 305-811 Korea
| | - Yang Ho Na
- Department of Advanced Materials; Hannam University; 461-6 Jeonmin-Dong Yuseong-Gu Daejeon 305-811 Korea
| | - Kuk Ro Yoon
- Department of Chemistry; Hannam University; 461-6 Jeonmin-Dong Yuseong-Gu, Daejeon 305-811 Korea
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44
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Preparation of gold nanoparticles by a novel biodegradable graft copolymer sodium alginate-g-poly (N,N-dimethylacrylamide-co-acrylic acid) with anti micro bacterial application. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.01.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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45
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Giri TK, Pure S, Tripathi DK. Synthesis of graft copolymers of acrylamide for locust bean gum using microwave energy: swelling behavior, flocculation characteristics and acute toxicity study. POLIMEROS 2015. [DOI: 10.1590/0104-1428.1717] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
| | - Sanjeet Pure
- Under Swami Vivekananda Technical University, India
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46
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Synthesis, characterization and antimicrobial properties of grafted sugarcane bagasse/silver nanocomposites. Carbohydr Polym 2015; 115:276-84. [DOI: 10.1016/j.carbpol.2014.08.052] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2014] [Revised: 07/19/2014] [Accepted: 08/22/2014] [Indexed: 11/22/2022]
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47
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Łukasiewicz M, Kowalski G, Ptaszek A. Microwave-Synthesized Polysaccharide Copolymers. POLYSACCHARIDES 2015. [DOI: 10.1007/978-3-319-16298-0_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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48
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Kolya H, Roy A, Tripathy T. Starch-g-Poly-(N, N-dimethyl acrylamide-co-acrylic acid): An efficient Cr (VI) ion binder. Int J Biol Macromol 2015; 72:560-8. [DOI: 10.1016/j.ijbiomac.2014.09.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 09/05/2014] [Indexed: 11/29/2022]
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49
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El-Mohdy HA. Radiation initiated synthesis of 2-acrylamidoglycolic acid grafted carboxymethyl cellulose as pH-sensitive hydrogel. POLYM ENG SCI 2014; 54:2753-2761. [DOI: 10.1002/pen.23831] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Affiliation(s)
- H.L. Abd El-Mohdy
- Polymer Chemistry Department, National Center for Radiation Research and Technology (NCRRT); Nasr City Cairo Egypt
- Department of Chemistry; Faculty of Arts and Science; Northern Border University; Rafha Saudi Arabia
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50
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Del Real A, Wallander D, Maciel A, Cedillo G, Loza H. Graft copolymerization of ethyl acrylate onto tamarind kernel powder, and evaluation of its biodegradability. Carbohydr Polym 2014; 117:11-18. [PMID: 25498603 DOI: 10.1016/j.carbpol.2014.09.044] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 08/27/2014] [Accepted: 09/08/2014] [Indexed: 10/24/2022]
Abstract
In the present study, tamarind kernel powder and ethyl acrylate were reacted by free radical polymerization to synthesize a grafted copolymer soluble in water. The grafted copolymer was analyzed by Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (NMR); FTIR showed a shift of the vibration of R-CO-OR' from 1258 cm(-1) to 1253 cm(-1). This shift appeared because of the grafting copolymerization. Films were prepared to study the mechanical properties and the biodegradation of this material. The mechanical properties of the grafted copolymer were found to lie between those of the parent polymers, suitable for disposable products. The new grafted copolymer manifested a steady process of biodegradation under incubation with the bacterial strain Alicycliphilus sp. BQ1; this was proved by scanning electron microscopy (SEM) and near infrared spectroscopy (NIR).
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Affiliation(s)
- Alicia Del Real
- Departamento de Nanotecnología, Centro de Física Aplica y Tecnología Avanzada, Universidad Nacional Autónoma de México, Campus Juriquilla, Querétaro C.P. 76230, Qro., Mexico.
| | - Daniela Wallander
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, 04510 Mexico DF, Mexico.
| | - Alfredo Maciel
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, 04510 Mexico DF, Mexico.
| | - Gerardo Cedillo
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, 04510 Mexico DF, Mexico.
| | - Herminia Loza
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, Cd. Universitaria, 04510 México DF, Mexico.
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