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Zamani-Babgohari F, Irannejad A, Kalantari Pour M, Khayati GR. Synthesis of carboxymethyl starch co (polyacrylamide/ polyacrylic acid) hydrogel for removing methylene blue dye from aqueous solution. Int J Biol Macromol 2024; 269:132053. [PMID: 38704075 DOI: 10.1016/j.ijbiomac.2024.132053] [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: 01/21/2024] [Revised: 04/13/2024] [Accepted: 05/01/2024] [Indexed: 05/06/2024]
Abstract
Natural polysaccharides, notably starch, have garnered attention for their accessibility, cost-effectiveness, and biodegradability. Modifying starch to carboxymethyl starch enhances its solubility, swelling capacity, and adsorption efficiency. This research examines the synthesis of an effective hydrogel adsorbent based on carboxymethyl starch for the elimination of methylene blue from aqueous solutions. The hydrogel was synthesized using polyacrylamide and polyacrylic acid as monomers, ammonium persulfate as the initiator, and N,N'-methylenebisacrylamide as the cross-linker. Through FESEM, swelling morphology was evaluated in both distilled water and methylene blue dye. The adsorption data elucidated that the adsorption capacity of the hydrogel significantly depends on the dosage of the adsorbent, pH, and concentration of the MB dye. At a pH of 7 and a dye concentration of 250 mg/L, the hydrogel exhibited an impressive 95 % removal rate for methylene blue. The results indicate that the adsorption process follows pseudo-second-order kinetics and conforms well to the Langmuir adsorption isotherm, indicating a maximum adsorption capacity of 1700 mg/g. According to the pseudo-second-order kinetic model and FTIR analysis, methylene blue chemisorbs to the adsorbent material. Hydrogel absorbents regulate adsorption through both intra-particle diffusion and liquid film diffusion. These results highlight the potential of the new hydrogel absorber for water purification.
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Affiliation(s)
- Fatemeh Zamani-Babgohari
- Department of Materials Engineering and Metallurgy, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Ahmad Irannejad
- Department of Materials Engineering and Metallurgy, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Maryam Kalantari Pour
- Department of Chemistry, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Gholam Reza Khayati
- Department of Materials Engineering and Metallurgy, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
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2
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Ghobashy MM, Amin MA, Ismail MA, Nowwar AI, El-Diehy MA, Gayed HM. Radiation cross-linked ultra-absorbent hydrogel to rationalize irrigation water and fertilizer for maize planting in drought conditions. Int J Biol Macromol 2023; 252:126467. [PMID: 37640186 DOI: 10.1016/j.ijbiomac.2023.126467] [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: 06/05/2023] [Revised: 08/18/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
The study addresses the potential negative impacts of climate change on water resources, specifically irrigation water for crops. The radiation technique produces the biomaterial hydrogel as a soil conditioner by polymerizing hydroxy ethyl cellulose/acrylamide (HEC/AAm) at various irradiation doses and copolymer concentrations. A maximum swelling of 23.4 g/g is attained by (HEC/PAAm) hydrogel at 1/7.5 ratio, prepared by 10 kGy gamma irradiation. The study introduces a new class of ultra-absorbent hydrogel (UAH) to address the low swelling limitation for soil conditioner applications. The alkaline hydrolysis treatments with NaOH, LiOH, and KOH enhance the water absorbency of (HEC/PAAm) hydrogel, with the highest capacity of 1220 g/g achieved by the KOH treatment, surpassing NaOH (622 g/g) and LiOH (540 g/g). The cumulative release of fertilizers from the UAH sample shows a slow and controlled release behavior. Urea takes 22 days to reach 100 % release. The UAH demonstrates water retention for 28 days, improving the growth of Zea mays L. at drought stress levels of 0 %, 25 %, 50 %, and 100 %, revealing an increase in shoot length by 16 %, 19 %, 24 %, and 20 %, respectively. Also, UAH increased the contents of chlorophyll a, b, a + b, and carotenoid on maize plant leaves compared to the control sample.
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Affiliation(s)
- Mohamed Mohamady Ghobashy
- Radiation Research of Polymer Chemistry Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), P.O. Box 8029, Cairo, Egypt.
| | - Mohamed A Amin
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Mohamed A Ismail
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Abdelatti I Nowwar
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Mahmoud A El-Diehy
- Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - H M Gayed
- Radiation Research of Polymer Chemistry Department, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), P.O. Box 8029, Cairo, Egypt.
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3
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Boldrini DE. Starch-based materials for drug delivery in the gastrointestinal tract-A review. Carbohydr Polym 2023; 320:121258. [PMID: 37659802 DOI: 10.1016/j.carbpol.2023.121258] [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: 05/08/2023] [Revised: 07/15/2023] [Accepted: 08/02/2023] [Indexed: 09/04/2023]
Abstract
Starch is a natural copolymer with unique physicochemical characteristics. Historically, it has been physically, chemically, or enzymatically modified to obtain ad-hoc functional properties for its use in different applications. In this context, the use of starch-based materials in drug delivery systems (DDSs) has gained great attention mainly because it is cheap, biodegradable, biocompatible, and renewable. This paper reviews the state of the art in starch-based materials design for their use in drug-controlled release with internal stimulus responsiveness; i.e., pH, temperature, colonic microbiota, or enzymes; specifically, those orally administered for its release in the gastrointestinal tract (GIT). Physical-chemical principles in the design of these materials taking into account their response to a particular stimulus are discussed. The relationship between the type of DDSs structure, starch modification routes, and the corresponding drug release profiles are systematically analyzed. Furthermore, the challenges and prospects of starch-based materials for their use in stimulus-responsive DDSs are also debated.
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Affiliation(s)
- Diego E Boldrini
- Planta Piloto de Ingeniería Química (PLAPIQUI), CONICET - Universidad Nacional del Sur (UNS), Camino La Carrindanga km 7, 8000 Bahía Blanca, Argentina; Departamento de Ingeniería Química, UNS, Avenida Alem 1253, 8000 Bahía Blanca, Argentina.
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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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An insight into Synthetic, Physiological aspect of Superabsorbent Hydrogels based on Carbohydrate type polymers for various Applications: A Review. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2022. [DOI: 10.1016/j.carpta.2022.100202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Chen J, Wu J, Raffa P, Picchioni F, Koning CE. Superabsorbent Polymers: From long-established, microplastics generating systems, to sustainable, biodegradable and future proof alternatives. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2021.101475] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Hajikarimi A, Sadeghi M. Preparation and characterization of gelatin base cross-linking aerogel and nanoclay aerogel for diltiazem drug delivery. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-021-03696-9] [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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Chen Y, Hao Y, Li S, Luo Z, Gao Q. Preparation of hydroxybutyl starch with a high degree of substitution and its application in temperature-sensitive hydrogels. Food Chem 2021; 355:129472. [PMID: 33780791 DOI: 10.1016/j.foodchem.2021.129472] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 02/04/2021] [Accepted: 02/22/2021] [Indexed: 10/22/2022]
Abstract
In this work, hydroxybutyl starch prepared by acid, alkali, and acid-base synergistic pretreatments from waxy corn starch exhibited great potential for preparing temperature-sensitive hydrogels. The degree of substitution, morphology, and group structure of hydroxybutyl starch were determined. The hydroxybutyl starch prepared by acid-base synergistic pretreatment had the highest degree of substitution. Relative to the native starch, the surface of hydroxybutyl starch particles was smoother and rounder. The formation, microstructure, and properties of temperature-sensitive hydrogels were also determined in this work. The results indicated that the temperature-sensitive hydrogels containing hydroxybutyl starch had irregular pore structures and higher water absorption rates. As the starch content increased, the pore size of these hydrogels increased and then decreased, the water absorption rate increased and the deswelling rate decreased. The equilibrium swelling ratio of the hydrogel prepared by hydroxybutyl starch was greater than that of native starch.
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Affiliation(s)
- Yun Chen
- Carbohydrate Laboratory, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, PR China
| | - Yacheng Hao
- Carbohydrate Laboratory, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, PR China
| | - Sai Li
- Carbohydrate Laboratory, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, PR China
| | - Zhigang Luo
- Carbohydrate Laboratory, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, PR China
| | - Qunyu Gao
- Carbohydrate Laboratory, School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, PR China; Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, Guangzhou 510640, PR China.
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MAZİ HİDAYET, SURMELİHİNDİ BAHAR. Temperature and Ph-sensıtıve Super absorbent Polymers based on Modıfıed Maleıc Anhydrıde. J CHEM SCI 2021. [DOI: 10.1007/s12039-020-01873-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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10
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Environmentally friendly superabsorbent fibers based on electrospun cellulose nanofibers extracted from wheat straw. Carbohydr Polym 2021; 251:117087. [PMID: 33142628 DOI: 10.1016/j.carbpol.2020.117087] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 08/18/2020] [Accepted: 09/08/2020] [Indexed: 11/21/2022]
Abstract
Superabsorbent polymers currently used in health and agricultural sectors are based on petroleum-based materials which led to serious concerns in the society. Here, superabsorbent fibers (SAFs) based on electrospun cellulose nanofibers (ECNFs) were prepared. Firstly, cellulose was removed from wheat straw, pre-treated with the TEMPO-mediated oxidation and subsequently dissolved into Trifluoroacetic acid for production of ECNFs through the electrospinning approach. The maximum swelling ratios of 225 g/g and 208 g/g in distilled water and 0.9 wt% NaCl solution were measured for ESAFs composed of oxidized ECNFs containing 15 % poly (sodium acrylate), respectively. The ESAFs were characterized using Fourier transform infrared spectroscopy and field emission scanning electron microscopy analysis. The FESEM showed that ESAFs formed high strength three-dimensional architecture networks. Also, the results showed that the ionic sensitivity of this ECNFs were low. The prepared ESAFs are attractive renewable alternatives for different applications, contributing to a reduction of plastic microspheres.
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11
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Jiménez‐Rosado M, Martín A, Alonso‐González M, Guerrero A, Romero A. Functional biodegradable protein‐based matrices as a potential candidate for micronutrients and water supply. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mercedes Jiménez‐Rosado
- Departamento de Ingeniería Química, Escuela Politécnica SuperiorUniversidad de Sevilla Sevilla Spain
| | - Adrián Martín
- Departamento de Ingeniería Química, Escuela Politécnica SuperiorUniversidad de Sevilla Sevilla Spain
| | - María Alonso‐González
- Departamento de Ingeniería Química, Facultad de FísicaUniversidad de Sevilla Sevilla Spain
| | - Antonio Guerrero
- Departamento de Ingeniería Química, Escuela Politécnica SuperiorUniversidad de Sevilla Sevilla Spain
| | - Alberto Romero
- Departamento de Ingeniería Química, Facultad de FísicaUniversidad de Sevilla Sevilla Spain
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12
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Hajikarimi A, Sadeghi M. Free radical synthesis of cross-linking gelatin base poly NVP/acrylic acid hydrogel and nanoclay hydrogel as cephalexin drug deliver. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-2020-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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13
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Yang J, Medronho B, Lindman B, Norgren M. Simple One Pot Preparation of Chemical Hydrogels from Cellulose Dissolved in Cold LiOH/Urea. Polymers (Basel) 2020; 12:E373. [PMID: 32046040 PMCID: PMC7077449 DOI: 10.3390/polym12020373] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 02/01/2020] [Accepted: 02/03/2020] [Indexed: 11/17/2022] Open
Abstract
In this work, non-derivatized cellulose pulp was dissolved in a cold alkali solution (LiOH/urea) and chemically cross-linked with methylenebisacrylamide (MBA) to form a robust hydrogel with superior water absorption properties. Different cellulose concentrations (i.e., 2, 3 and 4 wt%) and MBA/glucose molar ratios (i.e., 0.26, 0.53 and 1.05) were tested. The cellulose hydrogel cured at 60 °C for 30 min, with a MBA/glucose molar ratio of 1.05, exhibited the highest water swelling capacity absorbing ca. 220 g H2O/g dry hydrogel. Moreover, the data suggest that the cross-linking occurs via a basic Michael addition mechanism. This innovative procedure based on the direct dissolution of unmodified cellulose in LiOH/urea followed by MBA cross-linking provides a simple and fast approach to prepare chemically cross-linked non-derivatized high-molecular-weight cellulose hydrogels with superior water uptake capacity.
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Affiliation(s)
- Jiayi Yang
- FSCN, Surface and Colloid Engineering, Mid Sweden University, SE-851 70 Sundsvall, Sweden; (J.Y.); (B.M.); (B.L.)
| | - Bruno Medronho
- FSCN, Surface and Colloid Engineering, Mid Sweden University, SE-851 70 Sundsvall, Sweden; (J.Y.); (B.M.); (B.L.)
- MED—Mediterranean Institute for Agriculture, Environment and Development, Faculty of Sciences and Technology, Campus de Gambelas, Ed. 8, University of Algarve, 8005-139 Faro, Portugal
| | - Björn Lindman
- FSCN, Surface and Colloid Engineering, Mid Sweden University, SE-851 70 Sundsvall, Sweden; (J.Y.); (B.M.); (B.L.)
- Physical Chemistry, University of Lund, SE-221 00 Lund, Sweden
- Chemistry Department, University of Coimbra, 3004-504 Coimbra, Portugal
| | - Magnus Norgren
- FSCN, Surface and Colloid Engineering, Mid Sweden University, SE-851 70 Sundsvall, Sweden; (J.Y.); (B.M.); (B.L.)
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Noreen A, Zia KM, Tabasum S, Khalid S, Shareef R. A review on grafting of hydroxyethylcellulose for versatile applications. Int J Biol Macromol 2020; 150:289-303. [PMID: 32004607 DOI: 10.1016/j.ijbiomac.2020.01.265] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 01/03/2020] [Accepted: 01/27/2020] [Indexed: 01/15/2023]
Abstract
Hydroxyethylcellulose (HEC) is a biocompatible, biodegradable, nontoxic, hydrophilic, non- ionic water soluble derivative of cellulose. It is broadly used in biomedical field, paint industry, as a soil amendment in agriculture, coal dewatering, cosmetics, absorbent pads, wastewater treatment and gel electrolyte membranes. Industrial uses of HEC can be extended by the its grafting with different polymers including poly acrylic acid, polyacrylamide, polylactic acid, polyethyleneglycol, polydimethyleamide, polycaprolactone, polylactic acid and dimethylamino ethylmethacrylate. This permits the formation of new biomaterials with improved properties and versatile applications. In this article, a comprehensive overview of graft copolymers of HEC with other polymers/compounds and their applications in drug delivery, stimuli sensitive hydrogels, super absorbents, personal hygiene products and coal dewatering is presented.
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Affiliation(s)
- Aqdas Noreen
- Department of Applied Chemistry, Government College University, Faisalabad 38030-Pakistan
| | - Khalid Mahmood Zia
- Department of Applied Chemistry, Government College University, Faisalabad 38030-Pakistan.
| | - Shazia Tabasum
- Department of Applied Chemistry, Government College University, Faisalabad 38030-Pakistan
| | - Sana Khalid
- Department of Applied Chemistry, Government College University, Faisalabad 38030-Pakistan
| | - Rahila Shareef
- Department of Applied Chemistry, Government College University, Faisalabad 38030-Pakistan
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15
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Duquette D, Nzediegwu C, Portillo‐Perez G, Dumont M, Prasher S. Eco‐Friendly Synthesis of Hydrogels from Starch, Citric Acid, and Itaconic Acid: Swelling Capacity and Metal Chelation Properties. STARCH-STARKE 2020. [DOI: 10.1002/star.201900008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Daniel Duquette
- Bioresource Engineering DepartmentMcGill University 21111 Lakeshore Rd. Ste‐Anne‐de‐Bellevue QC H9X 3V9 Canada
| | - Christopher Nzediegwu
- Bioresource Engineering DepartmentMcGill University 21111 Lakeshore Rd. Ste‐Anne‐de‐Bellevue QC H9X 3V9 Canada
| | - Guillermo Portillo‐Perez
- Bioresource Engineering DepartmentMcGill University 21111 Lakeshore Rd. Ste‐Anne‐de‐Bellevue QC H9X 3V9 Canada
| | - Marie‐Josée Dumont
- Bioresource Engineering DepartmentMcGill University 21111 Lakeshore Rd. Ste‐Anne‐de‐Bellevue QC H9X 3V9 Canada
| | - Shiv Prasher
- Bioresource Engineering DepartmentMcGill University 21111 Lakeshore Rd. Ste‐Anne‐de‐Bellevue QC H9X 3V9 Canada
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16
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Superabsorbent polymers: A review on the characteristics and applications of synthetic, polysaccharide-based, semi-synthetic and ‘smart’ derivatives. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.04.054] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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17
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Nezami S, Sadeghi M. pH-sensitive free AgNPs composite and nanocomposite beads based on starch as drug delivery systems. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02801-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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18
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Mignon A, Pezzoli D, Prouvé E, Lévesque L, Arslan A, Pien N, Schaubroeck D, Van Hoorick J, Mantovani D, Van Vlierberghe S, Dubruel P. Combined effect of Laponite and polymer molecular weight on the cell-interactive properties of synthetic PEO-based hydrogels. REACT FUNCT POLYM 2019. [DOI: 10.1016/j.reactfunctpolym.2018.12.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Luo MT, Huang C, Li HL, Guo HJ, Chen XF, Xiong L, Chen XD. Bacterial cellulose based superabsorbent production: A promising example for high value-added utilization of clay and biology resources. Carbohydr Polym 2019; 208:421-430. [DOI: 10.1016/j.carbpol.2018.12.084] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 12/24/2018] [Accepted: 12/26/2018] [Indexed: 11/26/2022]
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20
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Nematidil N, Sadeghi M. Fabrication and characterization of a novel biosorbent and its evaluation as adsorbent for heavy metal ions. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2646-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Ma J, Wang T. Preparation and characterization of water-absorbing polyurethane foam composites with microsized sodium polyacrylate particles. J Appl Polym Sci 2018. [DOI: 10.1002/app.46702] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Jie Ma
- College of Materials Science & Engineering; Nanjing Tech University; Nanjing 210009 China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites; Nanjing 210009 China
| | - Tingwei Wang
- College of Materials Science & Engineering; Nanjing Tech University; Nanjing 210009 China
- Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites; Nanjing 210009 China
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Ali A, Ahmed S. Recent Advances in Edible Polymer Based Hydrogels as a Sustainable Alternative to Conventional Polymers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:6940-6967. [PMID: 29878765 DOI: 10.1021/acs.jafc.8b01052] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The over increasing demand of eco-friendly materials to counter various problems, such as environmental issues, economics, sustainability, biodegradability, and biocompatibility, open up new fields of research highly focusing on nature-based products. Edible polymer based materials mainly consisting of polysaccharides, proteins, and lipids could be a prospective contender to handle such problems. Hydrogels based on edible polymer offer many valuable properties compared to their synthetic counterparts. Edible polymers can contribute to the reduction of environmental contamination, advance recyclability, provide sustainability, and thereby increase its applicability along with providing environmentally benign products. This review is highly emphasizing on toward the development of hydrogels from edible polymer, their classification, properties, chemical modification, and their potential applications. The application of edible polymer hydrogels covers many areas including the food industry, agricultural applications, drug delivery to tissue engineering in the biomedical field and provide more safe and attractive products in the pharmaceutical, agricultural, and environmental fields, etc.
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Affiliation(s)
- Akbar Ali
- Department of Chemistry , Jamia Millia Islamia , New Delhi , 110025 , India
| | - Shakeel Ahmed
- Department of Chemistry , Government Degree College Mendhar , Jammu , Jammu and Kashmir , 185211 , India
- Higher Education Department , Government of Jammu and Kashmir , Jammu , 180001 , India
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23
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Martins VG, Costa JAV, Prentice C. Water-uptake properties of a fish protein-based superabsorbent hydrogel chemically modified with ethanol. POLIMEROS 2018. [DOI: 10.1590/0104-1428.0117] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Dil NN, Sadeghi M. Free radical synthesis of nanosilver/gelatin-poly (acrylic acid) nanocomposite hydrogels employed for antibacterial activity and removal of Cu(II) metal ions. JOURNAL OF HAZARDOUS MATERIALS 2018; 351:38-53. [PMID: 29510326 DOI: 10.1016/j.jhazmat.2018.02.017] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 12/29/2017] [Accepted: 02/06/2018] [Indexed: 06/08/2023]
Abstract
The present work involves the synthesis of porous gelatin/AcA (PGE-AcA) hydrogel and novel porous gelatin-silver/AcA (NPGESNC-AcA) nanocomposite hydrogel, and their ability as effective biosorbents for the removal of Cu2+ ions from contaminated water. The formation of the samples was confirmed by UV-Vis, TEM, SEM, EDX, DLS, AFM, XRD, TGA/DTG and FTIR techniques. The adsorption studies results showed that maximum monolayer adsorption capacity of copper ions for PGE-AcA was achieved about 130.50 mg g-1 in pH 6.0 for 50 min, and adsorption capacity for the NPGESNC-AcA was nearly 147.10 mg g-1 in pH 5.5 for 40 min by atomic absorption spectroscopy technique. The Cu2+ ions loaded on the PGE-AcA and NPGESNC-AcA could be recovered by HCl above 65.8% and 78.7% after five consecutive cycles of adsorption/desorption, respectively. The results showed that the both of biosorbents loaded by Cu2+ ions could be easily regenerated and reusable. On the other hand, the results of adsorption kinetics and equilibrium isotherms were indicated high correlation coefficient (closer to a unit) for the pseudo-second-order and excellent fitted the adsorption data with the Langmuir isotherm model. Furthermore, the antimicrobial efficiency of the synthesized samples were tested on the Staphylococcus aureus and the Escherichia coli.
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Affiliation(s)
- Narjes Nemati Dil
- Young Researchers and Elite Club, Arak Branch, Islamic Azad University, Arak, Iran
| | - Mohammad Sadeghi
- Department of Chemistry, Arak Branch, Islamic Azad University, Arak, Iran.
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Cunha da Cruz J, Machado de Castro A, Camporese Sérvulo EF. World market and biotechnological production of itaconic acid. 3 Biotech 2018; 8:138. [PMID: 29484277 DOI: 10.1007/s13205-018-1151-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Accepted: 02/02/2018] [Indexed: 11/28/2022] Open
Abstract
The itaconic acid (IA) world market is expected to exceed 216 million of dollars by 2020 as a result of an increasing demand for bio-based chemicals. The potential of this organic acid produced by fermentation mainly with filamentous fungi relies on the vast industrial applications of polymers derived from it. The applications may be as a superabsorbent polymer for personal care or agriculture, unsaturated polyester resin for the transportation industry, poly(methyl methacrylate) for electronic devices, among many others. However, the existence of other substitutes and the high production cost limit the current IA market. IA manufacturing is done mainly in China and other Asia-Pacific countries. Higher economic feasibility and production worldwide may be achieved with the use of low-cost feedstock of local origin and with the development of applications targeted to specific local markets. Moreover, research on the biological pathway for IA synthesis and the effect of medium composition are important for amplifying the knowledge about the production of that biochemical with great market potential.
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26
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Guo X, Chen C, Liu X, Hou P, Guo X, Ding F, Wang Z, Hu Y, Li Z, Zhang Z. High oral bioavailability of 2-methoxyestradiol in PEG-PLGA micelles-microspheres for cancer therapy. Eur J Pharm Biopharm 2017; 117:116-122. [DOI: 10.1016/j.ejpb.2017.04.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 03/27/2017] [Accepted: 04/06/2017] [Indexed: 11/16/2022]
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27
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Gao PQ, Zhang Y, Zhao L, Chen YZ. Swelling Properties and Environmental Responsiveness of a Superabsorbent Composite Microsphere Based on Starch-g-Poly(acrylic acid)/Organo-Mordenite. INT POLYM PROC 2017. [DOI: 10.3139/217.3112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Starch-g-poly(acrylic acid)/organo-mordenite superabsorbent composite microsphere, was prepared by grafting partially neutralized acrylic acid onto starch in the presence of organo-mordenite as an inorganic component. The morphology was characterized with scanning electron microscope (SEM). The swelling properties of the superabsorbent composite microsphere were evaluated in distilled water, various NaCl solutions, solutions with different pH values, and urea solutions. Swelling kinetics of the superabsorbent composite microsphere in above environments were discussed by means of a Schott's second-order model. The results showed that the incorporation of 10 wt% organo-mordenite enhanced the water absorbency by 144% (from 268 to 655 g · g−1) and possessed the maximum swelling absorbency (75 g · g−1) in the 0.9% NaCl solution and (667 g · g−1) in 0.04 mol · l−1 urea solution. Moreover, swelling of starch-g-poly(acrylic acid)/organo-mordenite (with 10 wt% organo-mordenite) in distilled water and in all other environments followed Schott's second order kinetics. Swelling was extremely environmental-responsive to the concentration of the NaCl solution, the pH values, and urea solutions, respectively. The overall results inferred that the novel superabsorbent composite can be exploited for many potential applications.
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Affiliation(s)
- P.-Q. Gao
- School of Environment Science and Engineering , Tianjin University, Tianjin , PRC
- School of Chemistry and Chemical Engineering , Yulin University, Yulin City , PRC
| | - Y. Zhang
- School of Chemistry and Chemical Engineering , Yulin University, Yulin City , PRC
| | - L. Zhao
- School of Environment Science and Engineering , Tianjin University, Tianjin , PRC
| | - Y.-Z. Chen
- School of Environment Science and Engineering , Tianjin University, Tianjin , PRC
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28
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Mignon A, Snoeck D, Dubruel P, Van Vlierberghe S, De Belie N. Crack Mitigation in Concrete: Superabsorbent Polymers as Key to Success? MATERIALS (BASEL, SWITZERLAND) 2017; 10:E237. [PMID: 28772599 PMCID: PMC5503349 DOI: 10.3390/ma10030237] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/07/2017] [Accepted: 02/20/2017] [Indexed: 11/16/2022]
Abstract
Cracking is a major concern in building applications. Cracks may arise from shrinkage, freeze/thawing and/or structural stresses, amongst others. Several solutions can be found but superabsorbent polymers (SAPs) seem to be interesting to counteract these problems. At an early age, the absorbed water by the SAPs may be used to mitigate autogenous and plastic shrinkage. The formed macro pores may increase the freeze/thaw resistance. The swelling upon water ingress may seal a crack from intruding fluids and may regain the overall water-tightness. The latter water may promote autogenous healing. The use of superabsorbent polymers is thus very interesting. This review paper summarizes the current research and gives a critical note towards the use of superabsorbent polymers in cementitious materials.
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Affiliation(s)
- Arn Mignon
- Magnel Laboratory for Concrete Research, Department of Structural Engineering, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 904, B-9052 Ghent, Belgium.
- Polymer Chemistry and Biomaterials Group, Department of Macromolecular and Organic Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281, B-9000 Ghent, Belgium.
| | - Didier Snoeck
- Magnel Laboratory for Concrete Research, Department of Structural Engineering, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 904, B-9052 Ghent, Belgium.
| | - Peter Dubruel
- Polymer Chemistry and Biomaterials Group, Department of Macromolecular and Organic Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281, B-9000 Ghent, Belgium.
| | - Sandra Van Vlierberghe
- Polymer Chemistry and Biomaterials Group, Department of Macromolecular and Organic Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281, B-9000 Ghent, Belgium.
| | - Nele De Belie
- Magnel Laboratory for Concrete Research, Department of Structural Engineering, Faculty of Engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 904, B-9052 Ghent, Belgium.
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A novel photo-grafting of acrylamide onto carboxymethyl starch. 1. Utilization of CMS-g-PAAm in easy care finishing of cotton fabrics. Carbohydr Polym 2016; 152:105-118. [DOI: 10.1016/j.carbpol.2016.06.088] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 06/18/2016] [Accepted: 06/21/2016] [Indexed: 11/22/2022]
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Liao R, Yang P, Wu W, Ren S. An Inverse Method to Estimate the Root Water Uptake Source-Sink Term in Soil Water Transport Equation under the Effect of Superabsorbent Polymer. PLoS One 2016; 11:e0159936. [PMID: 27505000 PMCID: PMC4978451 DOI: 10.1371/journal.pone.0159936] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2016] [Accepted: 07/11/2016] [Indexed: 11/25/2022] Open
Abstract
The widespread use of superabsorbent polymers (SAPs) in arid regions improves the efficiency of local land and water use. However, SAPs’ repeated absorption and release of water has periodic and unstable effects on both soil’s physical and chemical properties and on the growth of plant roots, which complicates modeling of water movement in SAP-treated soils. In this paper, we proposea model of soil water movement for SAP-treated soils. The residence time of SAP in the soil and the duration of the experiment were considered as the same parameter t. This simplifies previously proposed models in which the residence time of SAP in the soil and the experiment’s duration were considered as two independent parameters. Numerical testing was carried out on the inverse method of estimating the source/sink term of root water uptake in the model of soil water movement under the effect of SAP. The test results show that time interval, hydraulic parameters, test error, and instrument precision had a significant influence on the stability of the inverse method, while time step, layering of soil, and boundary conditions had relatively smaller effects. A comprehensive analysis of the method’s stability, calculation, and accuracy suggests that the proposed inverse method applies if the following conditions are satisfied: the time interval is between 5 d and 17 d; the time step is between 1000 and 10000; the test error is ≥ 0.9; the instrument precision is ≤ 0.03; and the rate of soil surface evaporation is ≤ 0.6 mm/d.
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Affiliation(s)
- Renkuan Liao
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing, China
| | - Peiling Yang
- College of Water Conservancy and Civil Engineering, China Agricultural University, Beijing, China
- * E-mail:
| | - Wenyong Wu
- State Key Laboratory of Simulation and Regulation of Water Cycles in River Basins, China Institute of Water Resources and Hydropower Research, Beijing, China
| | - Shumei Ren
- College of Water Conservancy and Civil Engineering, China Agricultural University, Beijing, China
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31
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Azad MM, Sandros MG. Microwave-assisted polymerization: Inert addition and surface coating of superabsorbent polymer for improved physical properties. J Appl Polym Sci 2016. [DOI: 10.1002/app.43990] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Michael M. Azad
- Department of Nanoscience; University of North Carolina; 2907 Lee Street Greensboro North Carolina 27401
| | - Marinella G. Sandros
- Department of Nanoscience; University of North Carolina; 2907 Lee Street Greensboro North Carolina 27401
- HORIBA Scientific; 3880 Park Avenue Edison New Jersey 08820
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32
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Lee JH, Lee SG. Preparation and swelling behavior of moisture-absorbing polyurethane films impregnated with superabsorbent sodium polyacrylate particles. J Appl Polym Sci 2016. [DOI: 10.1002/app.43973] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jeong Hoon Lee
- Department of Organic Material Science and Engineering; Pusan National University; 2, Busandaehak-Ro 63beon Gil Geumjeong-Gu Busan 46241 Republic of Korea
| | - Seung Geol Lee
- Department of Organic Material Science and Engineering; Pusan National University; 2, Busandaehak-Ro 63beon Gil Geumjeong-Gu Busan 46241 Republic of Korea
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33
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Othman MBH, Khan A, Ahmad Z, Zakaria MR, Ullah F, Akil HM. Kinetic investigation and lifetime prediction of Cs-NIPAM-MBA-based thermo-responsive hydrogels. Carbohydr Polym 2016; 136:1182-93. [PMID: 26572461 DOI: 10.1016/j.carbpol.2015.10.034] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 10/09/2015] [Accepted: 10/10/2015] [Indexed: 11/28/2022]
Abstract
This study attempted to clarify the influence of a cross-linker, N,N-methylenebisacrylamide (MBA), and N-isopropylacrylamide (NIPAM) on the non-isothermal kinetic degradation, solid state and lifetime of hydrogels using the Flynn-Wall-Ozawa (F-W-O), Kissinger, and Coats-Redfern (C-Red) methods. The series of dual-responsive Cs-PNIPAM-MBA microgels were synthesized by soapless-emulsion free radical copolymerization in an aqueous medium at 70 °C. The thermal properties were investigated using thermogravimetric analysis (TG) and differential scanning calorimetry (DSC) under nitrogen atmosphere. The apparent activation energy using the chosen Flynn-Wall-Ozawa and Kissinger methods showed that they fitted each other. Meanwhile, the type of solid state mechanism was determined using the Coats-Redfern method proposed for F1 (pure Cs) and F2 (Cs-PNIPAM-MBA hydrogel series) types, which comprise random nucleation with one nucleus reacting on individual particles, and random nucleation with two nuclei reacting on individual particles, respectively. On average, a higher Ea was attributed to the greater cross-linking density of the Cs hydrogel.
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Affiliation(s)
- Muhammad Bisyrul Hafi Othman
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Abbas Khan
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Zulkifli Ahmad
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Muhammad Razlan Zakaria
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Faheem Ullah
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Hazizan Md Akil
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia.
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34
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Ganguly S, Das TK, Mondal S, Das NC. Synthesis of polydopamine-coated halloysite nanotube-based hydrogel for controlled release of a calcium channel blocker. RSC Adv 2016. [DOI: 10.1039/c6ra24153k] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A stimuli-triggered drug delivery vehicle has been synthesized by self-polymerization of dopamine (DA) on the outer surface of halloysite nanotubes (HNT) followed by gelationviaalginate.
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Affiliation(s)
- Sayan Ganguly
- Rubber Technology Centre
- Indian Institute of Technology
- Kharagpur 721301
- India
| | - Tushar Kanti Das
- Rubber Technology Centre
- Indian Institute of Technology
- Kharagpur 721301
- India
| | - Subhadip Mondal
- Rubber Technology Centre
- Indian Institute of Technology
- Kharagpur 721301
- India
| | - N. C. Das
- Rubber Technology Centre
- Indian Institute of Technology
- Kharagpur 721301
- India
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35
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Azad MM, Sandros MG. Microwave-assisted polymerization: Superabsorbent polymer with improved properties. J Appl Polym Sci 2015. [DOI: 10.1002/app.43325] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Michael M. Azad
- Department of Nanoscience; University of North Carolina at Greensboro; 2907 Lee Street Greensboro North Carolina 27401
- Evonik Industries; 2401 Doyle Street Greensboro North Carolina 27406
| | - Marinella G. Sandros
- Department of Nanoscience; University of North Carolina at Greensboro; 2907 Lee Street Greensboro North Carolina 27401
- HORIBA Scientific; 3880 Park Avenue Edison New Jersey 0880
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36
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Ullah F, Othman MBH, Javed F, Ahmad Z, Md Akil H. Classification, processing and application of hydrogels: A review. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 57:414-33. [PMID: 26354282 DOI: 10.1016/j.msec.2015.07.053] [Citation(s) in RCA: 624] [Impact Index Per Article: 69.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 06/23/2015] [Accepted: 07/25/2015] [Indexed: 01/11/2023]
Abstract
This article aims to review the literature concerning the choice of selectivity for hydrogels based on classification, application and processing. Super porous hydrogels (SPHs) and superabsorbent polymers (SAPs) represent an innovative category of recent generation highlighted as an ideal mould system for the study of solution-dependent phenomena. Hydrogels, also termed as smart and/or hungry networks, are currently subject of considerable scientific research due to their potential in hi-tech applications in the biomedical, pharmaceutical, biotechnology, bioseparation, biosensor, agriculture, oil recovery and cosmetics fields. Smart hydrogels display a significant physiochemical change in response to small changes in the surroundings. However, such changes are reversible; therefore, the hydrogels are capable of returning to its initial state after a reaction as soon as the trigger is removed.
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Affiliation(s)
- Faheem Ullah
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Muhammad Bisyrul Hafi Othman
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Fatima Javed
- Department of Chemistry, Quaid-e-Azam University Islamabad, 45320 Islamabad, Pakistan
| | - Zulkifli Ahmad
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Hazizan Md Akil
- School of Materials and Mineral Resources Engineering, Engineering Campus, Universiti Sains Malaysia, Seri Ampangan, 14300 Nibong Tebal, Pulau Pinang, Malaysia.
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37
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Xu X, Bai B, Ding C, Wang H, Suo Y. Synthesis and Properties of an Ecofriendly Superabsorbent Composite by Grafting the Poly(acrylic acid) onto the Surface of Dopamine-Coated Sea Buckthorn Branches. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b00092] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Xiaohui Xu
- College
of Environmental Science and Engineering, Chang’an University, Xi’an 710054, People’s Republic of China
| | - Bo Bai
- Northwest
Plateau Institute of Biology, Chinese Academy of Sciences, Xining 810001, People’s Republic of China
| | - Chenxu Ding
- Northwest
Plateau Institute of Biology, Chinese Academy of Sciences, Xining 810001, People’s Republic of China
| | - Honglun Wang
- Northwest
Plateau Institute of Biology, Chinese Academy of Sciences, Xining 810001, People’s Republic of China
| | - Yourui Suo
- Northwest
Plateau Institute of Biology, Chinese Academy of Sciences, Xining 810001, People’s Republic of China
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38
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Synthesis and properties of hectorite/poly(AM/IA) nanocomposite hydrogels with high gel strength. J CHEM SCI 2015. [DOI: 10.1007/s12039-014-0746-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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Hectorite effects on swelling and gel properties of hectorite/poly(AM/IA) nanocomposite hydrogels. Polym Bull (Berl) 2015. [DOI: 10.1007/s00289-015-1327-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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40
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Influence of crosslinker amount on swelling and gel properties of hectorite/poly(acrylamide/itaconic acid) nanocomposite hydrogels. KOREAN J CHEM ENG 2015. [DOI: 10.1007/s11814-014-0313-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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41
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Islam MS, Rahaman MS, Yeum JH. Electrospun novel super-absorbent based on polysaccharide–polyvinyl alcohol–montmorillonite clay nanocomposites. Carbohydr Polym 2015; 115:69-77. [DOI: 10.1016/j.carbpol.2014.08.086] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 07/19/2014] [Accepted: 08/13/2014] [Indexed: 11/15/2022]
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42
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Cao X, Peng X, Zhong L, Sun R. Multiresponsive hydrogels based on xylan-type hemicelluloses and photoisomerized azobenzene copolymer as drug delivery carrier. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:10000-7. [PMID: 25260117 DOI: 10.1021/jf504040s] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Stimulus-responsive hydrogels, which can undergo significant physicochemical changes in response to various physical or chemical stimuli, have drawn wide attention in many fields. In this study, novel photoresponsive hydrogels prepared by free radical copolymerization of xylan-type hemicellulose methacrylate with 4-[(4-acryloyloxyphenyl)azo]benzoic acid (AOPAB) were investigated, which showed multiresponsive behaviors to pH, water/ethanol alternating solutions, and light. The swelling ratios of the prepared hydrogels in distilled water decreased from 9.8 to 2.2 g/g with AOPAB content increase from 2% to 16%. The hydrogel displayed rapid swelling and deswelling performance in water and ethanol alternating solutions. Additionally, under UV irradiation the trans-conformation of azobenzene in the hydrogel would generally convert into the cis-conformation and resulted in the hydrophilic/hydrophobic balance variation of the hydrogel. Therefore, the hydrogel loaded with vitamin B12 (VB12) showed a higher drug cumulative release rate under UV irradiation than that without UV irradiation.
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Affiliation(s)
- Xuefei Cao
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology , Guangzhou, 510640, China
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43
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Preparation of cassava starch-based superabsorbent polymer using a twin-roll mixer as reactor. CHINESE JOURNAL OF POLYMER SCIENCE 2014. [DOI: 10.1007/s10118-014-1516-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Chandrika KSVP, Singh A, Sarkar DJ, Rathore A, Kumar A. pH-sensitive crosslinked guar gum-based superabsorbent hydrogels: Swelling response in simulated environments and water retention behavior in plant growth media. J Appl Polym Sci 2014. [DOI: 10.1002/app.41060] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- K. S. V. Poorna Chandrika
- Division of Agricultural Chemicals; Indian Agricultural Research Institute; Pusa New Delhi 110012 India
| | - Anupama Singh
- Division of Agricultural Chemicals; Indian Agricultural Research Institute; Pusa New Delhi 110012 India
| | - Dhruba Jyoti Sarkar
- Division of Agricultural Chemicals; Indian Agricultural Research Institute; Pusa New Delhi 110012 India
| | - Abhishek Rathore
- Biometrics Division; CEG, International Crops Research Institute for the Semi-Arid Tropics; Patancheru, Hyderabad 502324 Andhra Pradesh India
| | - Anil Kumar
- Division of Design of Experiments; Indian Agricultural Statistics Research Institute; Library Avenue Pusa New Delhi 110012 India
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45
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Lee JO, Lee MJ, Kim D, Lee ES. A molecular zipping/unzipping nano-vehicles sensitive to tumor extracellular pH. J BIOACT COMPAT POL 2014. [DOI: 10.1177/0883911514533866] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A new class of pH- responsive multivalent host–guest interactions to manipulate polypeptide-based nano-vehicles was developed. Poly(l-lysine) (poly(Lys)) grafted with β-cyclodextrin and 2,3-dimethylmaleic acid was coupled with oleic acid. This new polymer was utilized to fabricate pH-responsive nano-vehicles for antitumor drug doxorubicin delivery. The host–guest (zipping) interaction between β-cyclodextrin and 2,3-dimethylmaleic acid moieties and the hydrophobic interaction between the oleic acid molecules contributed to form self-assembled nano-vehicles. 2,3-Dimethylmaleic acid moieties were highly degradable at a slightly acidic pH (~pH 6.8). These nano-vehicles increased the release of the encapsulated doxorubicin content (by the unzipping interaction between β-cyclodextrin and degraded 2,3-dimethylmaleic acid moieties) when the pH of the solution decreased to 6.8. This event caused a significant increase in the efficiency of cellular doxorubicin uptake and in vitro tumor inhibition.
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Affiliation(s)
- Jung Ok Lee
- Department of Biotechnology, The Catholic University of Korea, Bucheon, Republic of Korea
| | - Min Ji Lee
- Department of Biotechnology, The Catholic University of Korea, Bucheon, Republic of Korea
| | - Dongin Kim
- Department of Biomedical Engineering, Yale University, New Haven, CT, USA
| | - Eun Seong Lee
- Department of Biotechnology, The Catholic University of Korea, Bucheon, Republic of Korea
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46
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PEG-PCL based micelle hydrogels as oral docetaxel delivery systems for breast cancer therapy. Biomaterials 2014; 35:6972-85. [PMID: 24836952 DOI: 10.1016/j.biomaterials.2014.04.099] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 04/24/2014] [Indexed: 02/05/2023]
Abstract
In this study, a composite drug delivery system was developed and evaluated for oral delivery of docetaxel: docetaxel-loaded micelles in pH-responsive hydrogel (DTX-micelle-hydrogel). Docetaxel was successfully loaded in micelles with small particle size of 20 nm and high drug loading of 7.76%, which contributed to the drug absorption in the intestinal tract. The experiments of cytotoxicity on 4T1 cells demonstrated the effective antitumor activity of DTX micelles. Meanwhile, a pH-responsive hydrogel was synthesized and optimized for incorporating the docetaxel micelles. The pH-responsiveness and reversibility of the hydrogel were investigated under the pH conditions of the gastrointestinal tract. Furthermore, the DTX-micelle-hydrogel system showed much quicker diffusion of micelles in simulated intestinal fluid than in simulated gastric fluid, which was mainly caused by the change of pH value. The docetaxel released from the micelle-hydrogel system quite slowly, so it had little influence on the absorption of DTX micelles in small intestine. More important, the pharmacokinetic study revealed that the DTX-micelle-hydrogel significantly improved the oral bioavailability of docetaxel (75.6%) about 10 times compared to DTX micelles, and this increase in bioavailability was probably due to the small intestine targeting release of the pH-responsive hydrogel. Consequently, the oral DTX-micelle-hydrogel system was effective in inhibiting tumor growth in subcutaneous 4T1 breast cancer model, and decreased systemic toxicity compared with intravenous treatment. The apoptosis cells in the immunofluorescent studies and the proliferation-positive cells in the immunohistochemical studies were also consistent with the results. Therefore, the DTX-micelle-hydrogel system might be a promising candidate oral drug for breast cancer therapy.
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Akay P, Omay D. Synthesis and Characterization of Chitosan & Amino Acid Superabsorbent Hydrogels. INT POLYM PROC 2014. [DOI: 10.3139/217.2869] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Chitosan & L-alanine and chitosan & L-leucine superabsorbent hydrogels were prepared by crosslinking chitosan with glutaraldehyde. L-alanine and L-leucine were used as amino acid structures in different loading degrees and the optimum amount of amino acid was determined for both types of hydrogel. The swelling behaviors of neat chitosan, chitosan & L-alanine and chitosan & L-leucine hydrogels were investigated by gravimetric measurements with different pH values and at different intervals of time. The neat chitosan, chitosan & L-alanine and chitosan & L-leucine hydrogels were characterized by Fourier transform infrared spectroscopy (FT-IR). Thermogravimetric Analysis (TGA) and Differential Scanning Calorimetry (DSC) were used to find the thermal stability of the hydrogels. Also, surface morphological studies of all the hydrogels were carried out by using a Scanning Electron Microscope (SEM). In addition, XRD analysis demonstrated significant changes in the characteristic and morphological structures of the hydrogels.
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Affiliation(s)
- P. Akay
- Yalova University , Faculty of Engineering, Department of Chemical and Process Engineering, Yalova , Turkey
| | - D. Omay
- Yalova University , Faculty of Engineering, Department of Chemical and Process Engineering, Yalova , Turkey
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Likhitha M, Sailaja R, Priyambika V, Ravibabu M. Microwave assisted synthesis of guar gum grafted sodium acrylate/cloisite superabsorbent nanocomposites: Reaction parameters and swelling characteristics. Int J Biol Macromol 2014; 65:500-8. [DOI: 10.1016/j.ijbiomac.2014.02.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 01/29/2014] [Accepted: 02/03/2014] [Indexed: 11/29/2022]
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Zhang M, Cheng Z, Liu M, Zhang Y, Hu M, Li J. Synthesis and properties of a superabsorbent from an ultraviolet-irradiated waste nameko mushroom substrate and poly(acrylic acid). J Appl Polym Sci 2014. [DOI: 10.1002/app.40471] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Mingyue Zhang
- College of Chemistry; Jilin University; Changchun 130012 People's Republic of China
| | - Zhiqiang Cheng
- College of Chemistry; Jilin University; Changchun 130012 People's Republic of China
- College of Resources and Environment; Jilin Agriculture University; Changchun 130118 People's Republic of China
| | - Mengzhu Liu
- College of Chemistry; Jilin University; Changchun 130012 People's Republic of China
| | - Yongqiang Zhang
- College of Chemistry; Jilin University; Changchun 130012 People's Republic of China
| | - Meijuan Hu
- College of Chemistry; Jilin University; Changchun 130012 People's Republic of China
| | - Junfeng Li
- College of Chemistry; Jilin University; Changchun 130012 People's Republic of China
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Zhou M, Yang S, Zhou Y, Qin N, He S, Lai D, Xie Z, Yuan J. Optimization of Preparing Poly(AM-DMDAAC)/MMT Superabsorbent Nanocomposite by Orthogonal Experiment. POLYMER KOREA 2014. [DOI: 10.7317/pk.2014.38.1.16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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