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Maity J, Ray SK. Synthesis, characterization and column adsorption properties of gum ghatti and water hyacianth derived cellulose grafted poly(vinyl sulfonic acid-co-acrylamide) composites. Int J Biol Macromol 2024; 268:131652. [PMID: 38649075 DOI: 10.1016/j.ijbiomac.2024.131652] [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: 02/22/2024] [Revised: 04/07/2024] [Accepted: 04/14/2024] [Indexed: 04/25/2024]
Abstract
Vinylsulfonic acid (VSA), acrylamide (AM) and N, N methylene bis acrylamide(MBA) were copolymerized by radical polymerization in the presence of gum ghatti (GG) and treated water hyacianth (WH) in water. Several composite copolymers were prepared by varying the i) AM: VSA molar ratios ii) wt% of GG and iii) wt% of treated WH based on a Box-Behnken Design(BBD) of a response surface methodology (RSM) model with three input variables and the batch adsorption capacity (mg/g) of 100 mg/L Cd (II) from water as response. The composite polymer was characterized by Fourier transform Infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis(TGA), X- ray photo electron spectroscopy (XPS), compressive strength, pH reversibility, pH at point zero charge (pHPZC), Brunauer-Emmett-Teller (BET) surface area and scanning electron microscopy (SEM). The network parameters of the composites were determined. The copolymer composite prepared with AM: VSA of 5:1 containing 10 wt% GG and 4 wt% treated WH showed an optimum batch adsorption capacity of 399.15 mg/g Cd (II) from water containing 100 mg/L Cd (II). The same composite showed an adsorption capacity of 170.1 mg/g and a removal% of 31.5 at a feed concentration/feed flow rate/bed height of 150 mgL-1/30mLmin-1/30 mm in a fixed bed column.
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Affiliation(s)
- Jayabrata Maity
- Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, West Bengal, India
| | - Samit Kumar Ray
- Department of Polymer Science and Technology, University of Calcutta, 92 A.P.C. Road, Kolkata 700009, West Bengal, India.
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2
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Mandal S, Chi H, Moss RE, Dhital P, Babatunde EO, Gurav R, Hwang S. Seed gum-based polysaccharides hydrogels for sustainable agriculture: A review. Int J Biol Macromol 2024; 263:130339. [PMID: 38387640 DOI: 10.1016/j.ijbiomac.2024.130339] [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: 11/27/2023] [Revised: 02/07/2024] [Accepted: 02/19/2024] [Indexed: 02/24/2024]
Abstract
Globally, water scarcity in arid and semiarid regions has become one of the critical issues that hinder sustainable agriculture. Agriculture, being a major water consumer, presents several challenges that affect water availability. Hydrogels derived from polysaccharides seed gums are hydrophilic polymers capable of retaining substantial moisture in their three-dimensional network and releasing it back into the soil during drought conditions. Implementation of hydrogels in the agricultural sectors enhances soil health, plant growth, and crop yield. Furthermore, the soil permeability, density, structure, texture, and rate of evaporation and percolation of water are modified by hydrogel. In this review, hydrogels based on natural plant seed gum like guar, fenugreek, Tara and locust beans have been discussed in terms of their occurrence, properties, chemical structure, method of synthesis, and swelling behavior. The focus extends to recent applications of modified seed gum-based natural hydrogels in agriculture, serving as soil conditioners and facilitating nutrient delivery to growing plants. The swelling behavior and inherent structure of these hydrogels can help researchers unravel their maximum possibilities to promote sustainable agriculture and attenuate the obstacles propounded by our dynamic nature. The current review also examines market growth, prospects, and challenges of eco-friendly hydrogels in recent times.
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Affiliation(s)
- Sujata Mandal
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA.
| | - Hyemein Chi
- Department of Civil and Environmental Engineering, Yonsei University, Seoul, South Korea
| | - Rhiannon E Moss
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Prabin Dhital
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Eunice O Babatunde
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Ranjit Gurav
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Sangchul Hwang
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA.
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Rana H, Anamika, Sareen D, Goswami S. Nanocellulose-Based Ecofriendly Nanocomposite for Effective Wastewater Remediation: A Study on Its Process Optimization, Improved Swelling, Adsorption, and Thermal and Mechanical Behavior. ACS OMEGA 2024; 9:8904-8922. [PMID: 38434840 PMCID: PMC10905691 DOI: 10.1021/acsomega.3c06924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/29/2023] [Accepted: 01/05/2024] [Indexed: 03/05/2024]
Abstract
A nanocellulose (NC)-based cross-linked adsorbent has been employed herein for the removal of dye pollutants (e.g., methylene blue) from the textile industry. The synthesized hydrogel was optimized to achieve the best concentrations of the adsorbent constituents, i.e., 1.55% guar gum, 1.46% NC, and 0.84% borax for achieving the maximum swelling index (SI, 3741.42%) and higher adsorption capacity (qe, 24.05 mg g-1). 98.8% of dye qe was achieved at optimal conditions of pH 8 within 30 min at 30 °C. Adsorption isotherms and kinetics investigations showed good correlation with the Freundlich adsorption isotherm model (R2 > 0.9889; ΔG° = -4.71; ΔH° = -12.30; ΔS° = -0.025) as well as the pseudo-second-order kinetics model, indicating multilayered and intricate adsorption mechanisms for dye removal. The study of thermodynamic parameters confirmed the exothermic nature of the adsorption process. The adsorption-desorption study of the resulting hydrogel exhibited 64.58% dye removal efficiency even after 4 consecutive cycles of reuse. Further, scanning electron microscopy, Fourier transform infrared spectroscopy, thermogravimetric analysis, and X-ray diffraction analysis revealed the surface morphology, functional moieties, thermal behavior, and crystallinity pattern of the hydrogel. Rheological analysis demonstrated pseudoplastic flow and improved mechanical behavior for the hydrogel. The current study found that the synthesized adsorbent with a higher SI and qe has a noticeable potential for the removal of dye pollutants from wastewater.
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Affiliation(s)
- Harshdeep Rana
- Chemical
Engineering Division, Center of Innovative
and Applied Bioprocessing, Mohali, Punjab 140306, India
- Department
of Biochemistry, Panjab University, Hargobind Khorana Block, Sector-25, Chandigarh 160014, India
| | - Anamika
- Chemical
Engineering Division, Center of Innovative
and Applied Bioprocessing, Mohali, Punjab 140306, India
| | - Dipti Sareen
- Department
of Biochemistry, Panjab University, Hargobind Khorana Block, Sector-25, Chandigarh 160014, India
| | - Saswata Goswami
- Chemical
Engineering Division, Center of Innovative
and Applied Bioprocessing, Mohali, Punjab 140306, India
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4
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Mehta P, Sharma M, Devi M. Hydrogels: An overview of its classifications, properties, and applications. J Mech Behav Biomed Mater 2023; 147:106145. [PMID: 37797557 DOI: 10.1016/j.jmbbm.2023.106145] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/07/2023]
Abstract
The review paper starts with the introduction to hydrogels along with broad literature survey covering different modes of synthesis including high energy radiation methods. After that, paper covered broad classification of the hydrogels depending upon the basis of their source of origin, method of synthesis, type of cross-linking present and ionic charges on bound groups. Another advanced category response triggered hydrogels, which includes pH, temperature, electro, and light and substrate responsive hydrogels was also studied. Presented paper summarises chemical structure, properties, and synthesis of different kinds of hydrogels. Main focus was given to the preparation super absorbents such as: Semi-interpenetrating networks (semi-IPNs), Interpenetrating networks (IPNs) and cross-linked binary graft copolymers (BGCPs). The weak mechanical properties and easy degradation limit the uses of bio-based -hydrogels in biomedical field. Their properties can be improved through different chemical and physical methods. These methods were also discussed in the current research paper. Also, it includes development of hydrogels as controlled drug delivery devices, as implants and biomaterials to replace malfunctioned body parts along with their use in several other applications listed in the literature. Literature survey on the application of hydrogels in different fields like biomedical, nano-biotechnology, tissue engineering, drug delivery and agriculture was also carried out.
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Affiliation(s)
- Preeti Mehta
- Department of Applied Sciences, CEC-Chandigarh Group of Colleges, Landran, Mohali, 140307, Punjab, India.
| | - Monika Sharma
- Department of Applied Sciences, CEC-Chandigarh Group of Colleges, Landran, Mohali, 140307, Punjab, India.
| | - Meena Devi
- Department of Applied Sciences, CEC-Chandigarh Group of Colleges, Landran, Mohali, 140307, Punjab, India.
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Mandal S, Hwang S, Shi SQ. Guar gum, a low-cost sustainable biopolymer, for wastewater treatment: A review. Int J Biol Macromol 2023; 226:368-382. [PMID: 36513177 DOI: 10.1016/j.ijbiomac.2022.12.039] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 11/22/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022]
Abstract
Rapid population growth and the resultant pollution of freshwater resources have created a water stress condition reducing the availability of safe and affordable water. Guar gum, a biocompatible macromolecule obtained from the endosperm of the seeds of Cyamopsis tetragonolobus, is a fascinating raw material for multifunctional adsorbents. This review assembled the work conducted by various researchers over the past few decades and discussed the structure, properties, and different modifications methods employed to develop versatile guar gum-based adsorbent. The paper also summarized the recent progress of guar gum-based nanocomposites for the remediation of multiple hazardous substances such as organic dyes, toxic heavy metal ions, oil-water separation as well as inhibiting the growth of bacterial pathogens. Thus, the important contribution of guar gum composites to safeguard the water quality is highlighted which will overcome the limitations and streamline the future course of innovative research.
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Affiliation(s)
- Sujata Mandal
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA
| | - Sangchul Hwang
- Ingram School of Engineering, Texas State University, San Marcos, TX 78666, USA.
| | - Sheldon Q Shi
- Department of Mechanical Engineering, University of North Texas, Denton, TX 76207, USA
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6
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Optimization of biodegradable cross-linked guar-gum-PLA superabsorbent hydrogel formation employing response surface methodology. Int J Biol Macromol 2022; 223:652-662. [PMID: 36356878 DOI: 10.1016/j.ijbiomac.2022.11.020] [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: 07/25/2022] [Revised: 10/26/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022]
Abstract
Cross-linked polymer networks with three-dimensional structures known as hydrogels absorb and retain a large amount of water. Because of their properties, hydrogel materials have been considered a boon in agriculture science. In the present investigation, guar gum cross-linked polylactic acid hydrogel is synthesized using MMA as monomer and optimized using a central composite design of response surface methodology for better swelling. The studied input variables are monomer concentration, initiator concentration, and cross-linker concentration at constant pH and temperature. The constructed response model has been tested using the analysis of variance (ANOVA), where the model F-value of 4.64 indicates that the model is significant. The R2 value (0.806) (multiple correlation coefficient) and the standard deviation for the quadratic model were both found to be 4.27. A separate validation experiment is conducted to ensure the quadratic model is sufficient. The hydrogel synthesis was confirmed by characterization techniques like FTIR spectroscopy, SEM, TGA, XRD, and water absorption studies. Synthesized hydrogels swell maximum in water and least in 0.9 % NaCl solution. The present work highlights the development of guar gum-based super-absorbent hydrogels, which are biodegradable and lead to potential application in agriculture, especially in drought regions.
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Jíménez-Arias D, Morales-Sierra S, Silva P, Carrêlo H, Gonçalves A, Ganança JFT, Nunes N, Gouveia CSS, Alves S, Borges JP, Pinheiro de Carvalho MÂA. Encapsulation with Natural Polymers to Improve the Properties of Biostimulants in Agriculture. PLANTS (BASEL, SWITZERLAND) 2022; 12:plants12010055. [PMID: 36616183 PMCID: PMC9823467 DOI: 10.3390/plants12010055] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/14/2022] [Accepted: 12/19/2022] [Indexed: 05/28/2023]
Abstract
Encapsulation in agriculture today is practically focused on agrochemicals such as pesticides, herbicides, fungicides, or fertilizers to enhance the protective or nutritive aspects of the entrapped active ingredients. However, one of the most promising and environmentally friendly technologies, biostimulants, is hardly explored in this field. Encapsulation of biostimulants could indeed be an excellent means of counteracting the problems posed by their nature: they are easily biodegradable, and most of them run off through the soil, losing most of the compounds, thus becoming inaccessible to plants. In this respect, encapsulation seems to be a practical and profitable way to increase the stability and durability of biostimulants under field conditions. This review paper aims to provide researchers working on plant biostimulants with a quick overview of how to get started with encapsulation. Here we describe different techniques and offer protocols and suggestions for introduction to polymer science to improve the properties of biostimulants for future agricultural applications.
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Affiliation(s)
- David Jíménez-Arias
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
| | - Sarai Morales-Sierra
- Grupo de Biología Vegetal Aplicada, Departamento de Botánica, Ecología y Fisiología Vegetal-Facultad de Farmacia, Universidad de La Laguna, Avenida, Astrofísico Francisco Sánchez s/n, 38071 La Laguna, Spain
| | - Patrícia Silva
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
- Faculty of Exact Sciences and Engineering, University of Madeira, 9020-105 Funchal, Portugal
| | - Henrique Carrêlo
- CENIMAT|i3N, Department of Materials Science, School of Science and Technology, NOVA University Lisbon and CEMOP/UNINOVA, 2829-516 Caparica, Portugal
| | - Adriana Gonçalves
- CENIMAT|i3N, Department of Materials Science, School of Science and Technology, NOVA University Lisbon and CEMOP/UNINOVA, 2829-516 Caparica, Portugal
| | - José Filipe Teixeira Ganança
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
| | - Nuno Nunes
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
- CiTAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
| | - Carla S. S. Gouveia
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
- CiTAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
- Faculty of Life Sciences, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
| | - Sónia Alves
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
| | - João Paulo Borges
- CENIMAT|i3N, Department of Materials Science, School of Science and Technology, NOVA University Lisbon and CEMOP/UNINOVA, 2829-516 Caparica, Portugal
| | - Miguel Â. A. Pinheiro de Carvalho
- ISOPlexis, Center for Sustainable Agriculture and Food Technology, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
- CiTAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
- Faculty of Life Sciences, University of Madeira, Campus Universitário da Penteada, 9020-105 Funchal, Portugal
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8
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Lee M, Kim MC, Lee JY. Nanomaterial-Based Electrically Conductive Hydrogels for Cardiac Tissue Repair. Int J Nanomedicine 2022; 17:6181-6200. [PMID: 36531116 PMCID: PMC9748845 DOI: 10.2147/ijn.s386763] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 11/23/2022] [Indexed: 08/28/2023] Open
Abstract
Cardiovascular disease is one of major causes of deaths, and its incidence has gradually increased worldwide. For cardiovascular diseases, several therapeutic approaches, such as drugs, cell-based therapy, and heart transplantation, are currently employed; however, their therapeutic efficacy and/or practical availability are still limited. Recently, biomaterial-based tissue engineering approaches have been recognized as promising for regenerating cardiac function in patients with cardiovascular diseases, including myocardial infarction (MI). In particular, materials mimicking the characteristics of native cardiac tissues can potentially prevent pathological progression and promote cardiac repair of the heart tissues post-MI. The mechanical (softness) and electrical (conductivity) properties of biomaterials as non-biochemical cues can improve the cardiac functions of infarcted hearts by mitigating myocardial cell death and subsequent fibrosis, which often leads to cardiac tissue stiffening and high electrical resistance. Consequently, electrically conductive hydrogels that can provide mechanical strength and augment the electrical activity of the infarcted heart tissue are considered new functional materials capable of mitigating the pathological progression to heart failure and stimulating cardiac regeneration. In this review, we highlight nanomaterial-incorporated hydrogels that can induce cardiac repair after MI. Nanomaterials, including carbon-based nanomaterials and recently discovered two-dimensional nanomaterials, offer great opportunities for developing functional conductive hydrogels owing to their excellent electrical conductivity, large surface area, and ease of modification. We describe recent results using nanomaterial-incorporated conductive hydrogels as cardiac patches and injectable hydrogels for cardiac repair. While further evaluations are required to confirm the therapeutic efficacy and toxicity of these materials, they could potentially be used for the regeneration of other electrically active tissues, such as nerves and muscles.
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Affiliation(s)
- Mingyu Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
| | - Min Chul Kim
- Division of Cardiology, Department of Internal Medicine, Chonnam National University Medical School, Gwangju, Republic of Korea
| | - Jae Young Lee
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
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9
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Palhares Farias T, de Melo Castro E, Marucci Pereira Tangerina M, Quintino da Rocha C, Brito Bezerra CW, de Souza Moreira FM. Rhizobia exopolysaccharides: promising biopolymers for use in the formulation of plant inoculants. Braz J Microbiol 2022; 53:1843-1856. [PMID: 36104575 PMCID: PMC9679134 DOI: 10.1007/s42770-022-00824-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 08/29/2022] [Indexed: 01/13/2023] Open
Abstract
Inoculants with beneficial microorganisms comprise both selected strains and carriers that ensure a favorable microenvironment for cell survival and stability. Formulations of inoculants using synthetic polymers as carriers are common. However, only a few studies are available in the literature regarding the formulation of inoculants using natural biomolecules as carriers. Exopolysaccharides (EPS) are biomolecules produced by a vast array of microbial species, including symbiotic nitrogen-fixing bacteria, commonly known as rhizobia. EPS perform several functions, such as the protection against the deleterious effects of diverse environmental soil stresses. Two Rhizobium tropici strains and one Paraburkholderia strain were selected after semiquantitative analysis by scanning electron microscopy (SEM) of their EPS production in liquid YMA medium. Their EPS were characterized through a series of analytical techniques, aiming at their use in the formulation of plant inoculants. In addition, the effect of the carbon source on EPS yield was evaluated. Multi-stage fragmentation analysis showed the presence of xylose, glucose, galactose, galacturonic acid, and glucuronic acid in EPS chemical composition, which was confirmed by FT-IR spectra and 13C NMR spectroscopy. Thermal stability (thermogravimetric) was close to 270 °C and viscosity ranged from 120 to 1053.3 mPa.s. Surface morphology (SEM) was rough and irregular, with a cross-linked spongy matrix, which, together with the hydrophilic functional groups, confers water holding capacity. The present study showed that the three EPS have potential as microorganism carriers for formulation of microbial inoculants to be applied in plants.
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Affiliation(s)
- Thiago Palhares Farias
- Departamento de Ciência Do Solo, Universidade Federal de Lavras (UFLA), Caixa Postal 3037, CEP 37200-900, Lavras, MG Brazil
- Laboratório de Microbiologia Do Solo E Biotecnologia/DDE, IFMA, Campus São Luís – Maracanã, CEP 65095-460, São Luís, MA Brazil
| | - Elisa de Melo Castro
- Universidade Federal de Lavras, Caixa Postal 3037, CEP 37200-900, Lavras, MG Brazil
| | | | - Cláudia Quintino da Rocha
- Departamento de Química da, Universidade Federal Do Maranhão, Campus Universitário Dom Delgado, 1966, CEP 65080-040, São Luís, MA Brazil
| | - Cicero Wellington Brito Bezerra
- Departamento de Química da, Universidade Federal Do Maranhão, Campus Universitário Dom Delgado, 1966, CEP 65080-040, São Luís, MA Brazil
| | - Fatima Maria de Souza Moreira
- Departamento de Ciência Do Solo da, Universidade Federal de Lavras, Campus Universitário, Caixa Postal 3037, CEP 37200-900, Lavras, MG Brazil
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10
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In Situ Synthesis of AZO-Np in Guar Gum/PVOH Composite Fiber Mats for Potential Bactericidal Release. Polymers (Basel) 2022; 14:polym14224983. [PMID: 36433110 PMCID: PMC9698413 DOI: 10.3390/polym14224983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/29/2022] [Accepted: 11/04/2022] [Indexed: 11/19/2022] Open
Abstract
Since the number of antibiotic-resistant bacterial infections is growing and cases are getting worse every year, the search for new alternative bactericidal wound dressing treatments is becoming crucial. Within this context, the use of polysaccharides from plants and seeds in innovative biopolymer technologies is of key importance. In this work, bio-nano-composite guar gum/polyvinyl alcohol (PVOH) membranes loaded with aluminum-doped zinc oxide nanoparticles were produced via electrospinning. Citric acid was added to the mixture to increase spinnability. However, depending on the pH, zinc oxide nanoparticles are partially dissociated, decreasing their bactericidal efficiency. Thus, a second successful alkaline thermo-chemical regrowth step was added to the process to treat the obtained fibers. This alkaline thermo-chemical treatment reconstituted both the nanoparticles and their bactericidal properties. The Staphylococcus aureus antibacterial assay results show that the membranes obtained after the alkaline thermo-chemical treatment presented a 57% increase in growth inhibition.
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11
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Benny Mattam L, Bijoy A, Abraham Thadathil D, George L, Varghese A. Conducting Polymers: A Versatile Material for Biomedical Applications. ChemistrySelect 2022. [DOI: 10.1002/slct.202201765] [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)
- Liya Benny Mattam
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road, Bengaluru Karnataka 560029 India
| | - Anusha Bijoy
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road, Bengaluru Karnataka 560029 India
| | - Ditto Abraham Thadathil
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road, Bengaluru Karnataka 560029 India
| | - Louis George
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road, Bengaluru Karnataka 560029 India
| | - Anitha Varghese
- Department of Chemistry CHRIST (Deemed to be University) Hosur Road, Bengaluru Karnataka 560029 India
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12
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Electrical/Spectroscopic Stability of Conducting and Biodegradable Graft‐Copolymer. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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13
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Choudhary S, Sharma K, Bhatti MS, Sharma V, Kumar V. DOE-based synthesis of gellan gum-acrylic acid-based biodegradable hydrogels: screening of significant process variables and in situ field studies. RSC Adv 2022; 12:4780-4794. [PMID: 35425477 PMCID: PMC8981380 DOI: 10.1039/d1ra08786j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/14/2022] [Indexed: 11/21/2022] Open
Abstract
The current study uses the free radical graft copolymerization of acrylic acid as a monomer, N,N-methylene-bis-(acrylamide) as a crosslinker and ammonium persulfate as an initiator to synthesise GG-cl-poly(AA) hydrogels based on gellan gum utilising response surface methodology (RSM). A full factorial design was used to obtain the greatest percent swelling (Ps), and key process variables were determined using the Pareto chart. To make the procedure cost-effective, a multiple regression model employing ANOVA projected a linear model with a maximum percentage swelling of 556 at the lowest concentration of all three studied factors. As a result, the sequential experimental design was successful in obtaining two-fold increases in the percentage swelling in a systematic way. An RSM-based central composite design was used to optimize the percentage swelling of the three most important synthesis parameters: initiator concentration, monomer concentration, and crosslinker concentration. The best process conditions are 7.3 mM L−1 initiator, 44 μM L−1 monomer, and 21.6 mM L−1 crosslinker. The effective synthesis of GG-cl-poly(AA) was validated by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction, field emission scanning electron microscopy (FE-SEM), and 1H-nuclear magnetic resonance. The swelling behavior of GG-cl-poly(AA) in water and saline solutions, as well as its water retention capability, was investigated. In comparison to distilled water, the swelling potential of optimized hydrogel was shown to be significantly reduced in saline solutions. The addition of GG-cl-poly(AA) significantly improved the moisture properties of plant growth media (clay, sandy, and clay–soil combination), implying that it has great potential in moisture stress agriculture. GG-cl-poly(AA) biodegradation was studied by soil burial and vermicomposting methods. The composting approach showed 89.95% deterioration after 22 days, while the soil burial method showed 86.71% degradation after 22 days. The synthesized hydrogel may be beneficial for agricultural applications because of its considerable degradation behaviour, strong water retention capacity, low cost, and environmental friendliness. We use free radical graft copolymerization of acrylic acid as a monomer, N,N-methylene-bis-(acrylamide) as a crosslinker and ammonium persulfate as an initiator to synthesise GG-cl-poly(AA) hydrogels based on gellan gum utilising response surface methodology.![]()
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Affiliation(s)
- Sonal Choudhary
- Institute of Forensic Science & Criminology, Panjab University, Chandigarh-160014, India
| | - Kashma Sharma
- Department of Chemistry, DAV College, Sector-10, Chandigarh, India 160011
| | - Manpreet S. Bhatti
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Vishal Sharma
- Institute of Forensic Science & Criminology, Panjab University, Chandigarh-160014, India
| | - Vijay Kumar
- Department of Physics, National Institute of Technology Srinagar, Jammu and Kashmir, 190006, India
- Department of Physics, University of the Free State, P. O. Box 339, Bloemfontein ZA9300, South Africa
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14
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Anjum A, Zuber M, Zia KM, Anjum MN, Aftab W. Preparation and characterization of guar gum based polyurethanes. Int J Biol Macromol 2021; 183:2174-2183. [PMID: 34102237 DOI: 10.1016/j.ijbiomac.2021.06.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 05/25/2021] [Accepted: 06/03/2021] [Indexed: 01/07/2023]
Abstract
Guar gum (plant-based polysaccharide) is a promising candidate with immense potential. It is used as emulsifier, thickener, stabilizer, and as binding agent in many industries. In the present project, it was planned to synthesize guar gum based polyurethanes by varying the amount of guar gum. Guar gum (GG) was used along with hydroxyl-terminated polybutadiene (HTPB) as soft segment, which was then reacted with isophorone diisocyanate (IPDI) to form PU pre-polymers. In last step, these -NCO terminated pre-polymers were extended with 1,4 butane diol as chain extender. The prepared polyurethane samples were then characterized by using FTIR, solid-state 1HNMR and X-ray diffraction (XRD). Thermal behavior of the samples was studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Results indicated that the incorporation of guar gum in PU backbone improved its thermal behavior and crystallinity.
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Affiliation(s)
- Anbreen Anjum
- Department of Applied Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Mohammad Zuber
- Department of Applied Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Khalid Mahmood Zia
- Department of Chemistry, Government College University, Faisalabad 38030, Pakistan.
| | - Muhammad Naveed Anjum
- Department of Applied Chemistry, Government College University, Faisalabad 38030, Pakistan
| | - Waseem Aftab
- College of Engineering, Peking University Beijing, 100871, China
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15
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Ahmed FK, Mostafa M, Abd-Elsalam KA. Micro-/nanoscale biodegradable hydrogels: Water purification, management, conservation, and agrochemical delivery. AQUANANOTECHNOLOGY 2021:201-229. [DOI: 10.1016/b978-0-12-821141-0.00002-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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16
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Qureshi MA, Nishat N, Jadoun S, Ansari MZ. Polysaccharide based superabsorbent hydrogels and their methods of synthesis: A review. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2020. [DOI: 10.1016/j.carpta.2020.100014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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17
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Kaur K, Jindal R. Comparative studies of directly loaded and cyclodextrin-mediated release of Theophylline and evaluation of biodegradation studies of HPNs. Polym Bull (Berl) 2020. [DOI: 10.1007/s00289-020-03323-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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18
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Suner SS, Sahiner N. Biocompatible macro, micro and nano scale guar gum hydrogels and their protein absorption capacity. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2020. [DOI: 10.1080/10601325.2020.1787844] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Selin Sagbas Suner
- Chemistry Department, Faculty of Science & Arts, and Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University, Canakkale, Turkey
| | - Nurettin Sahiner
- Chemistry Department, Faculty of Science & Arts, and Nanoscience and Technology Research and Application Center (NANORAC), Canakkale Onsekiz Mart University, Canakkale, Turkey
- Department of Ophthalmology, School of Medicine, University of South Florida Eye Institute, Tampa, FL, USA
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19
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Dai L, Wang Y, Li Z, Wang X, Duan C, Zhao W, Xiong C, Nie S, Xu Y, Ni Y. A multifunctional self-crosslinked chitosan/cationic guar gum composite hydrogel and its versatile uses in phosphate-containing water treatment and energy storage. Carbohydr Polym 2020; 244:116472. [PMID: 32536403 DOI: 10.1016/j.carbpol.2020.116472] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 05/11/2020] [Accepted: 05/16/2020] [Indexed: 12/13/2022]
Abstract
A new self-crosslinked composite hydrogel is prepared with chitosan (CS) and cationic guar gum (CGG), based on the imine and acetal chemistry for gelation. The CS/CGG hydrogel exhibits thermal/pH responsiveness, injectability, adhesiveness and good compressive strength. The hydrogel is effective in removing phosphate from wastewater through an adsorption process, during which KH2PO4 is used as a phosphate model. The adsorption complies with the Freundlich model, indicating that it is a multilayered process with complex adsorption mechanisms. Considering their porous structure and nitrogen/phosphorus heteroatoms doping, the phosphate-adsorbed hydrogels are made into porous N,P doped carbon aerogels that can be potentially used as electrodes for a supercapacitor. The results indicate that these carbon aerogels possess excellent capacitive performance (best specific capacitance of 302.2 ± 4.9 F/g), as well as good cycling stability after 5000 times of charging/discharging.
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Affiliation(s)
- Lei Dai
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China; Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, College of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, China; College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China.
| | - Yan Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Zixiu Li
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Xiaowan Wang
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Chao Duan
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Wei Zhao
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Chuanyin Xiong
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China.
| | - Shuangxi Nie
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, College of Light Industry and Food Engineering, Guangxi University, Nanning, 530004, China
| | - Yongjian Xu
- College of Bioresources Chemical and Materials Engineering, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Key Laboratory of Paper Based Functional Materials of China National Light Industry, National Demonstration Center for Experimental Light Chemistry Engineering Education, Shaanxi University of Science and Technology, Xi'an, 710021, China
| | - Yonghao Ni
- Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada.
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20
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Xiang J, Shen L, Hong Y. Status and future scope of hydrogels in wound healing: Synthesis, materials and evaluation. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109609] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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21
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Sharma AK, Kaith BS, Shanker U, Gupta B. γ-radiation induced synthesis of antibacterial silver nanocomposite scaffolds derived from natural gum Boswellia serrata. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101550] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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22
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Kaur K, Jindal R, Jindal D. Controlled release of vitamin B1 and evaluation of biodegradation studies of chitosan and gelatin based hydrogels. Int J Biol Macromol 2020; 146:987-999. [DOI: 10.1016/j.ijbiomac.2019.09.223] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 09/22/2019] [Accepted: 09/25/2019] [Indexed: 01/31/2023]
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23
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Shelar-Lohar G, Joshi S. Comparative study of uranium and thorium metal ion adsorption by gum ghatti grafted poly(acrylamide) copolymer composites. RSC Adv 2019; 9:41326-41335. [PMID: 35540053 PMCID: PMC9076367 DOI: 10.1039/c9ra08212c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 11/16/2019] [Indexed: 12/02/2022] Open
Abstract
Uranium and thorium ions were selectively removed from aqueous solution using synthesized gum ghatti grafted poly(acrylamide) gum-g-poly(AAm) composite. A gamma radiation induced free radical copolymerization technique was used to synthesize the copolymer composite of gum-g-poly(AAm). Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TG), X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) were used to characterize the graft copolymer gum-g-poly(AAm). The adsorption of uranium ions and thorium ions using the gum-g-poly(AAm) copolymer composites has been investigated in batch mode. The adsorptive characteristics were investigated by varying the pH, concentration and time for both ions. The adsorption method depends on the pH of each metal ion, and the highest adsorption percentage was achieved at pH 6.0. The adsorption statistics were justified by isotherm, kinetic and thermodynamic models. The Langmuir adsorption model was revealed to be the best fitted monolayer arrangement, with a maximum adsorption capacity of 367.65 mg g-1 for the uranium ions and 125.95 mg g-1 for the thorium ions. The adsorption of metal ions occurred by the ion exchange process, which was specified through the rate controlling step with a best-fitted pseudo-second order kinetic rate model. Thermodynamic analysis shows that the ΔH and ΔS values for the uranium ions and thorium ions were positive. The negative ΔG values decreased with an increase in temperature, suggesting that the metal ion adsorption process was endothermic and spontaneous in behaviour.
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Affiliation(s)
- Gauri Shelar-Lohar
- Department of Chemistry, Savitribai Phule Pune University Pune Maharashtra India
- Department of Chemistry, Fergusson College Shivajinagar Pune Maharashtra India
| | - Satyawati Joshi
- Department of Chemistry, Savitribai Phule Pune University Pune Maharashtra India
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24
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Effects of hexamethylenetetramine (HMTA) on the aqueous solution structure, dynamics and ion solvation scenario: A concentration and temperature dependent study with potential HMTA models. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.111820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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25
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Dai L, Cheng T, Wang Y, Wang B, Duan C, Ke H, Ni Y. A self-assembling guar gum hydrogel for efficient oil/water separation in harsh environments. Sep Purif Technol 2019. [DOI: 10.1016/j.seppur.2019.05.070] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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26
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A review on latest innovations in natural gums based hydrogels: Preparations & applications. Int J Biol Macromol 2019; 136:870-890. [DOI: 10.1016/j.ijbiomac.2019.06.113] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 06/13/2019] [Accepted: 06/16/2019] [Indexed: 02/03/2023]
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27
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Shah TV, Vasava DV. A glimpse of biodegradable polymers and their biomedical applications. E-POLYMERS 2019. [DOI: 10.1515/epoly-2019-0041] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AbstractOver the past two decades, biodegradable polymers (BPs) have been widely used in biomedical applications such as drug carrier, gene delivery, tissue engineering, diagnosis, medical devices, and antibacterial/antifouling biomaterials. This can be attributed to numerous factors such as chemical, mechanical and physiochemical properties of BPs, their improved processibility, functionality and sensitivity towards stimuli. The present review intended to highlight main results of research on advances and improvements in terms of synthesis, physical properties, stimuli response, and/or applicability of biodegradable plastics (BPs) during last two decades, and its biomedical applications. Recent literature relevant to this study has been cited and their developing trends and challenges of BPs have also been discussed.
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Affiliation(s)
- Tejas V. Shah
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat- 380009, India
| | - Dilip V. Vasava
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat- 380009, India
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28
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Mitra M, Mahapatra M, Dutta A, Roy JSD, Karmakar M, Deb M, Mondal H, Chattopadhyay PK, Bandyopadhyay A, Singha NR. Carbohydrate and collagen-based doubly-grafted interpenetrating terpolymer hydrogel via N-H activated in situ allocation of monomer for superadsorption of Pb(II), Hg(II), dyes, vitamin-C, and p-nitrophenol. JOURNAL OF HAZARDOUS MATERIALS 2019; 369:746-762. [PMID: 30836295 DOI: 10.1016/j.jhazmat.2018.12.019] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 12/04/2018] [Accepted: 12/05/2018] [Indexed: 05/20/2023]
Abstract
Herein, guar gum (GG)-g-(acrylic acid (AA)-co-3-acrylamido propanoic acid (AMPA)-co-acrylamide (AM))-g-cow buffing dust (CBD)/(GGTPCBD), a smart carbohydrate and protein-based doubly-grafted interpenetrating terpolymer hydrogel showing excellent physicochemical properties and recyclability was synthesized by in situ strategic allocation of AMPA during solution polymerization of AA and AM through systematic optimization of the amounts of components and reaction temperature for superadsorption of Hg(II), Pb(II), methyl violet (MV), methylene blue (MB), p-nitrophenol (PNP), and vitamin-C (vit.C). The in situ strategic protrusion of AMPA, grafting of both GG and CBD into AA-co-AMPA-co-AM, and ligand-selective superadsorption was inferred by advanced microstructural analyses of unadsorbed- and/or adsorbed-GGTPCBD using FTIR, 1H/13C NMR, O1s-/N1s-/C1s-/Pb4f7/2,5/2-/Hg4f7/2,5/2-XPS, UV-vis, TGA, DSC, XRD, DLS, SEM, EDX, % gel content, % -COOH, and pHPZC. The prevalence of covalent, ionic, and variegated interactions was rationalized by FTIR, fitting of kinetics data to the pseudosecond order model, and activation energies of adsorption. The BET and Langmuir isotherms fitted the best to MB and Hg(II)/Pb(II)/MV, respectively. Thermodynamically spontaneous chemisorption processes showed the maximum adsorption capacities (ACs) of 976.64, 859.23, 116.80, and 58.52 mg g-1 for Pb(II), Hg(II), MV, and MB, respectively, at 303 K, adsorbent dose = 0.01 g, and initial concentration of metal ions/dyes = 800/30 ppm.
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Affiliation(s)
- Madhushree Mitra
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Manas Mahapatra
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Arnab Dutta
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Joy Sankar Deb Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India; Department of Polymer Science and Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Mrinmoy Karmakar
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Mousumi Deb
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Himarati Mondal
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India.
| | - Abhijit Bandyopadhyay
- Department of Polymer Science and Technology, University of Calcutta, 92, A.P.C. Road, Kolkata, 700009, West Bengal, India
| | - Nayan Ranjan Singha
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, 700106, West Bengal, India.
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29
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Gupta A, Kowalczuk M, Heaselgrave W, Britland ST, Martin C, Radecka I. The production and application of hydrogels for wound management: A review. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2018.12.019] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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30
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Joseph J, Deshmukh K, Tung T, Chidambaram K, Khadheer Pasha SK. 3D Printing Technology of Polymer Composites and Hydrogels for Artificial Skin Tissue Implementations. LECTURE NOTES IN BIOENGINEERING 2019. [DOI: 10.1007/978-3-030-04741-2_7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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31
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Sharma G, Kumar A, Naushad M, García-Peñas A, Al-Muhtaseb AH, Ghfar AA, Sharma V, Ahamad T, Stadler FJ. Fabrication and characterization of Gum arabic-cl-poly(acrylamide) nanohydrogel for effective adsorption of crystal violet dye. Carbohydr Polym 2018; 202:444-453. [DOI: 10.1016/j.carbpol.2018.09.004] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/26/2018] [Accepted: 09/03/2018] [Indexed: 01/07/2023]
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32
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Guar gum and its composites as potential materials for diverse applications: A review. Carbohydr Polym 2018; 199:534-545. [PMID: 30143160 DOI: 10.1016/j.carbpol.2018.07.053] [Citation(s) in RCA: 182] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 05/02/2018] [Accepted: 07/16/2018] [Indexed: 11/22/2022]
Abstract
Naturally occurring polymers are currently of prime importance among which polysaccharides occupies superior position due to their easy availability, eco- friendly and non-toxic nature. Guar gum, one of the naturally occurring polymer, is a galactomannan acquired by ground endosperm of Cyamopsis tetragonolobus or Cyamopsis psoraloides. It belongs to the family leguminosae. Presence of large number of hydroxyl groups increases its H- bonding ability when dissolved in water that enhance the viscosity and gelling properties of the guar gum solution. Based upon these properties, guar gum is used in several industries such as textile, food, petrochemical, mining and paper for varied applications. It is used as suspending, emulsifying, gelling and stabilising agent in the conventional dosage forms. Last few decades have marked the increase in development of various composites of guar gum that have intrinsic utilization in various fields. Immobilization of guar gum with the others not only enhances its properties but also enriches its utilization in numerous fields for diverse applications such as water purification, drug delivery, pharmaceutical, cosmetic and food industries, etc. Guar gum derivatives are found to have therapeutic importance in certain physiological disorders also. In this review article, we have summarized various possible composites of guar gum and their most probable applications in different fields.
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Shen J, Li B, Zhan X, Wang L. A One Pot Method for Preparing an Antibacterial Superabsorbent Hydrogel with a Semi-IPN Structure Based on Tara Gum and Polyquaternium-7. Polymers (Basel) 2018; 10:E696. [PMID: 30960621 PMCID: PMC6403564 DOI: 10.3390/polym10070696] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 06/20/2018] [Accepted: 06/21/2018] [Indexed: 11/17/2022] Open
Abstract
An antibacterial superabsorbent polymer was prepared by graft polymerization of acrylic acid onto tara gum polysaccharide, by adding N,N-dimethyl-N-2-propenyl-2-propen-1-aminium chloride and a polymer with 2-propenamide (polyquaternium-7, PQ7) as an antibacterial agent. The effects of the amount of PQ7 in the hydrogel on its swelling ratio were investigated and maximum swelling ratios of 712 g/g and 68 g/g, in distilled water and 0.9 wt % NaCl solution were attained with 0.5 g PQ7 per gram of tara gum. The superabsorbent hydrogel was characterized by using Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscopy and thermal gravimetric analysis. The results showed that poly (acrylic acid) was successfully grafted onto tara gum and a three-dimensional network structure formed with PQ7 chains penetrated in the networks. The antibacterial properties of these superabsorbent hydrogels against Staphylococcus aureus and Escherichia coli improved with increasing PQ7 content. This study demonstrates a method of preparing novel functional superabsorbent hydrogels.
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Affiliation(s)
- Jie Shen
- Key Laboratory of Bio-based Materials Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China.
- Research Center of Wood Bionic Intelligent Science, Northeast Forestry University, Harbin 150040, China.
| | - Bingjie Li
- Key Laboratory of Bio-based Materials Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China.
- Research Center of Wood Bionic Intelligent Science, Northeast Forestry University, Harbin 150040, China.
| | - Xianxu Zhan
- Dehua TB New Decoration Material Co., Ltd., Huzhou 313218, China.
| | - Lijuan Wang
- Key Laboratory of Bio-based Materials Science and Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China.
- Research Center of Wood Bionic Intelligent Science, Northeast Forestry University, Harbin 150040, China.
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34
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Singha NR, Dutta A, Mahapatra M, Karmakar M, Mondal H, Chattopadhyay PK, Maiti DK. Guar Gum-Grafted Terpolymer Hydrogels for Ligand-Selective Individual and Synergistic Adsorption: Effect of Comonomer Composition. ACS OMEGA 2018; 3:472-494. [PMID: 31457906 PMCID: PMC6641655 DOI: 10.1021/acsomega.7b01682] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 12/27/2017] [Indexed: 05/20/2023]
Abstract
Grafting of guar gum (GG) and in situ strategic attachment of acrylamidosodiumpropanoate (ASP) via solution polymerization of acrylamide (AM) and sodium acrylate (SA) resulted in the synthesis of a sustainable GG-g-(AM-co-SA-co-ASP)/GGAMSAASP interpenetrating polymer network (IPN)-based smart superadsorbent with excellent physicochemical properties and reusability, through systematic optimization by response surface methodology (RSM) for removal of methyl violet (MV) and/or Hg(II). The relative effects of SA/AM ratios, in situ allocation of ASP, grafting of GG into the AMSAASP terpolymer, ligand-selective superadsorption mechanism, and relative microstructural changes in individually/synergistically-adsorbed MV-/Hg(II)-/Hg(II)-MV-GGAMSAASPs were determined by extensive analyses using Fourier transform infrared (FTIR), proton nuclear magnetic resonance, ultraviolet-visible (UV-vis), and O 1s-/N 1s-/C 1s-/Hg 4f7/2,5/2-X-ray photoelectron spectroscopies, thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction, field emission scanning electron microscopy, and energy-dispersive spectroscopy and were supported by % gel content, pHPZC, and % graft ratio. The ionic/covalent-bonding, monodentate, bidentate bridging, and bidentate chelating coordination between GGAMSAASPs and Hg(II), and MV+-Hg(II) bonding were rationalized by FTIR, UV-vis, fitment of kinetics data to the pseudo-second-order model, and thermodynamic parameters. The maximum adsorption capacities of 49.12 and 53.28 mg g-1 were determined for Hg(II) and MV, respectively, under optimized conditions.
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Affiliation(s)
- Nayan Ranjan Singha
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Arnab Dutta
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Manas Mahapatra
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Mrinmoy Karmakar
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Himarati Mondal
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Pijush Kanti Chattopadhyay
- Advanced
Polymer Laboratory, Department of Polymer Science and Technology, and Department of
Leather Technology, Government College of
Engineering and Leather Technology (Post-Graduate), Maulana
Abul Kalam Azad University of Technology, Salt Lake, Kolkata 700106, West Bengal, India
| | - Dilip K. Maiti
- Department
of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata 700009, India
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Maharana V, Gaur D, Nayak SK, Singh VK, Chakraborty S, Banerjee I, Ray SS, Anis A, Pal K. Reinforcing the inner phase of the filled hydrogels with CNTs alters drug release properties and human keratinocyte morphology: A study on the gelatin- tamarind gum filled hydrogels. J Mech Behav Biomed Mater 2017; 75:538-548. [DOI: 10.1016/j.jmbbm.2017.08.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 08/17/2017] [Accepted: 08/22/2017] [Indexed: 10/19/2022]
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Messali M, Lgaz H, Dassanayake R, Salghi R, Jodeh S, Abidi N, Hamed O. Guar gum as efficient non-toxic inhibitor of carbon steel corrosion in phosphoric acid medium: Electrochemical, surface, DFT and MD simulations studies. J Mol Struct 2017. [DOI: 10.1016/j.molstruc.2017.05.081] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Troncoso OP, Zamora B, Torres FG. Thermal and Rheological Properties of the Mucilage from the Fruit of Cordia lutea. ACTA ACUST UNITED AC 2017. [DOI: 10.1177/204124791700800301] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In recent years, natural gums and mucilages have been shown to be useful in the food and pharmacological industries. In this study, the mucilage of the fruit of Cordia lueta has been extracted and characterised in order to explore its potential applications. Thermogravimetric tests were used to measure the water content of this natural mucilage. Differential scanning calorimetry allowed assessing thermal transitions and thermal degradation of the samples. Steady flow rheometry was used to measure the viscosity of the samples as a function of the shear rate. Dynamic oscillatory rheometry was used to study the variation of the storage and loss modulus of the mucilage as function of the oscillatory frequency and stress. The results showed that this mucilage is a polysaccharide network that behaves as a pseudoplastic fluid. Its storage modulus is not completely independent from the oscillation frequency. In addition, the stress sweeps showed that C. lutea mucilage has a reversible stress softening behaviour. The findings reported in the present work suggest that this mucilage can be used as a rheology modifier for commercial foods and biomedical materials.
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Affiliation(s)
- Omar P. Troncoso
- Department of Mechanical Engineering, Pontificia Universidad Catolica del Peru, Lima 32 - Peru
| | - Bruno Zamora
- Department of Mechanical Engineering, Pontificia Universidad Catolica del Peru, Lima 32 - Peru
| | - Fernando G. Torres
- Department of Mechanical Engineering, Pontificia Universidad Catolica del Peru, Lima 32 - Peru
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Engineering Biodegradable and Biocompatible Bio-ionic Liquid Conjugated Hydrogels with Tunable Conductivity and Mechanical Properties. Sci Rep 2017; 7:4345. [PMID: 28659629 PMCID: PMC5489531 DOI: 10.1038/s41598-017-04280-w] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 05/03/2017] [Indexed: 12/20/2022] Open
Abstract
Conventional methods to engineer electroconductive hydrogels (ECHs) through the incorporation of conductive nanomaterials and polymers exhibit major technical limitations. These are mainly associated with the cytotoxicity, as well as poor solubility, processability, and biodegradability of their components. Here, we describe the engineering of a new class of ECHs through the functionalization of non-conductive polymers with a conductive choline-based bio-ionic liquid (Bio-IL). Bio-IL conjugated hydrogels exhibited a wide range of highly tunable physical properties, remarkable in vitro and in vivo biocompatibility, and high electrical conductivity without the need for additional conductive components. The engineered hydrogels could support the growth and function of primary cardiomyocytes in both two dimentinal (2D) and three dimensional (3D) cultures in vitro. Furthermore, they were shown to be efficiently biodegraded and possess low immunogenicity when implanted subcutaneously in rats. Taken together, our results suggest that Bio-IL conjugated hydrogels could be implemented and readily tailored to different biomedical and tissue engineering applications.
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Effects of the anti-microbial peptide pardaxin plus sodium erythorbate dissolved in different gels on the quality of Pacific white shrimp under refrigerated storage. Food Control 2017. [DOI: 10.1016/j.foodcont.2016.09.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Stejskal J, Bober P, Trchová M, Kovalcik A, Hodan J, Hromádková J, Prokeš J. Polyaniline Cryogels Supported with Poly(vinyl alcohol): Soft and Conducting. Macromolecules 2017. [DOI: 10.1021/acs.macromol.6b02526] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Jaroslav Stejskal
- Institute
of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, 162 06 Prague 6, Czech Republic
| | - Patrycja Bober
- Institute
of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, 162 06 Prague 6, Czech Republic
| | - Miroslava Trchová
- Institute
of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, 162 06 Prague 6, Czech Republic
| | - Adriana Kovalcik
- Kompetenzzentrum Holz GmbH, Competence Centre for Wood Composites and Wood Chemistry (Wood K Plus), A-4040 Linz, Austria
| | - Jiří Hodan
- Institute
of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, 162 06 Prague 6, Czech Republic
| | - Jiřina Hromádková
- Institute
of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, 162 06 Prague 6, Czech Republic
| | - Jan Prokeš
- Faculty
of Mathematics and Physics, Charles University, 180 00 Prague 8, Czech Republic
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Sharma K, Kumar V, Kaith BS, Kalia S, Swart HC. Conducting Polymer Hydrogels and Their Applications. SPRINGER SERIES ON POLYMER AND COMPOSITE MATERIALS 2017. [DOI: 10.1007/978-3-319-46458-9_7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Garcia-Hernandez A, Lobato-Calleros C, Vernon-Carter EJ, Sosa-Hernandez E, Alvarez-Ramirez J. Effects of clay concentration on the morphology and rheological properties of xanthan gum-based hydrogels reinforced with montmorillonite particles. J Appl Polym Sci 2016. [DOI: 10.1002/app.44517] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- A. Garcia-Hernandez
- Departamento de Ingeniería de Procesos e Hidráulica; Universidad Autónoma Metropolitana-Iztapalapa; Apartado Postal 55-534 Ciudad de México 09340 México
| | - C. Lobato-Calleros
- Departamento de Preparatoria Agrícola; Universidad Autónoma Chapingo; Km. 38.5 Carretera México-Texcoco Texcoco 56230 México
| | - E. J. Vernon-Carter
- Departamento de Ingeniería de Procesos e Hidráulica; Universidad Autónoma Metropolitana-Iztapalapa; Apartado Postal 55-534 Ciudad de México 09340 México
| | - E. Sosa-Hernandez
- Instituto Mexicano del Petróleo; Grupo de Evaluación de Riesgo en Ductos; Ciudad de México 07355 México
| | - J. Alvarez-Ramirez
- Departamento de Ingeniería de Procesos e Hidráulica; Universidad Autónoma Metropolitana-Iztapalapa; Apartado Postal 55-534 Ciudad de México 09340 México
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Sharma K, Kumar V, Swart-Pistor C, Chaudhary B, Swart HC. Synthesis, characterization, and anti-microbial activity of superabsorbents based on agar–poly(methacrylic acid-glycine). J BIOACT COMPAT POL 2016. [DOI: 10.1177/0883911516653148] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
In this study, poly(methacrylic acid-glycine)-grafted agar-based hydrogels with optimized process parameters were synthesized via a two-step green-radiation induced grafting process using microwave heating. Poly(methacrylic acid) chains were graft copolymerized onto an agar backbone using ammonium persulfate as a free radical initiator and N,N′-methylene-bis-acrylamide as a cross-linking means using microwave heating. The influence of different reaction parameters was investigated on the percentage swelling behavior of the cross-linked hydrogel networks. The prepared hydrogel networks with optimum percentage swelling were characterized by Fourier transform infrared spectroscopy, time-of-flight secondary ion mass spectrometry, scanning electron microscopy, X-ray diffraction, and thermogravimetric analysis, using agar as a reference. The anti-bacterial activities of the prepared hydrogels against Gram-positive Staphylococcus aureus bacteria and Gram-negative Escherichia coli bacteria were investigated. Staphylococcus aureus was found to be more susceptible to the compounds compared to Escherichia coli. These results indicate that the prepared hydrogels have the potential to be applied as anti-bacterial agents.
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Affiliation(s)
- Kashma Sharma
- Department of Physics, University of the Free State, Bloemfontein, South Africa
| | - Vijay Kumar
- Department of Physics, University of the Free State, Bloemfontein, South Africa
- Department of Applied Physics, Chandigarh University, Gharuan, Mohali (Punjab), India
| | - Chantel Swart-Pistor
- Centre for Microscopy, Department of Microbial, Biochemical and Food Biotechnology, University of the Free State, Bloemfontein, South Africa
| | - Babulal Chaudhary
- Science and Engineering Research Board, Department of Science & Technology, New Delhi, India
| | - Hendrik C Swart
- Department of Physics, University of the Free State, Bloemfontein, South Africa
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Thombare N, Jha U, Mishra S, Siddiqui MZ. Guar gum as a promising starting material for diverse applications: A review. Int J Biol Macromol 2016; 88:361-72. [PMID: 27044346 DOI: 10.1016/j.ijbiomac.2016.04.001] [Citation(s) in RCA: 226] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 03/28/2016] [Accepted: 04/01/2016] [Indexed: 12/15/2022]
Abstract
Guar gum is the powdered endosperm of the seeds of the Cyamopsis tetragonolobus which is a leguminous crop. The endosperm contains a complex polysaccharide called galactomannan, which is a polymer of d-galactose and d-mannose. This hydroxyl group rich polymer when added to water forms hydrogen bonding imparting significant viscosity and thickening to the solution. Due to its thickening, emulsifying, binding and gelling properties, quick solubility in cold water, wide pH stability, film forming ability and biodegradability, it finds applications in large number of industries. In last few decades a lot of research has been done on guar gum to fit it into particular application, as such or by its structural modifications. This review gives an overview of the nature, chemistry and properties of guar gum and discusses recent developments in its modifications and applications in major industries like hydraulic fracturing, explosives, food, agriculture, textile, paper, cosmetics, bioremediation, drug delivery, medical and pharmaceuticals. This article would help researchers engaged in biopolymer area and other end-users who want to begin research in natural polysaccharides.
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Affiliation(s)
- Nandkishore Thombare
- Processing and Product Development Divisios.n, ICAR-Indian Institute of Natural Resins and Gums, Namkum, Ranchi 834010, India.
| | - Usha Jha
- Department of Chemistry, Birla Institute of Technology, Mesra, Ranchi 835215, India
| | - Sumit Mishra
- Department of Chemistry, Birla Institute of Technology, Mesra, Ranchi 835215, India
| | - M Z Siddiqui
- Processing and Product Development Divisios.n, ICAR-Indian Institute of Natural Resins and Gums, Namkum, Ranchi 834010, India
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Su X, Bai B, Xu X, Ding C, Wang H, Suo Y. Fabrication and properties of a novel superabsorbent composite based on coco peat and poly (acrylic acid) cross-linked trimethylolpropane trimaleate under ultraviolet irradiation. POLYM ADVAN TECHNOL 2016. [DOI: 10.1002/pat.3781] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaoyu Su
- College of Environmental Science and Engineering; Chang'an University; Xi'an 710054 China
| | - Bo Bai
- College of Environmental Science and Engineering; Chang'an University; Xi'an 710054 China
| | - Xiaohui Xu
- College of Environmental Science and Engineering; Chang'an University; Xi'an 710054 China
| | - Chenxu Ding
- Key Laboratory of Tibetan Medicine Research, Northwest Plateau Institute of Biology; Chinese Academy of Sciences; Xining 810001 China
| | - Honglun Wang
- Key Laboratory of Tibetan Medicine Research, Northwest Plateau Institute of Biology; Chinese Academy of Sciences; Xining 810001 China
| | - Yourui Suo
- Key Laboratory of Tibetan Medicine Research, Northwest Plateau Institute of Biology; Chinese Academy of Sciences; Xining 810001 China
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Karthika J, Vishalakshi B. Novel stimuli responsive gellan gum-graft-poly(DMAEMA) hydrogel as adsorbent for anionic dye. Int J Biol Macromol 2015; 81:648-55. [DOI: 10.1016/j.ijbiomac.2015.08.064] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 08/18/2015] [Accepted: 08/26/2015] [Indexed: 10/23/2022]
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