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Huerta-Ángeles G, Kanizsová L, Mielczarek K, Konefał M, Konefał R, Hodan J, Kočková O, Bednarz S, Beneš H. Sustainable aerogels based on biobased poly (itaconic acid) for adsorption of cationic dyes. Int J Biol Macromol 2024; 259:129727. [PMID: 38272425 DOI: 10.1016/j.ijbiomac.2024.129727] [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: 11/30/2023] [Revised: 01/12/2024] [Accepted: 01/22/2024] [Indexed: 01/27/2024]
Abstract
This work reports the synthesis of poly (itaconic acid) by thermal polymerization mediated by 2,2'-Azobis(2-methylpropionamidine) dihydrochloride. Furthermore, physical hydrogels were prepared by using high molecular weight poly (itaconic acid) characterized by low dispersity and laponite RD. The hydrogels presented porous 3D network structures, with a high-water penetration of almost 2000 g/g of swelling ratio, which can allow the adsorption sites of both poly (itaconic acid) and laponite RD to be easily exposed and facilitate the adsorption of dyes. The water adsorption followed Schott's pseudo-second-order model. The mechanism of the adsorption process was investigated using 1H and 31P NMR. The hydrogel is able to fast adsorb by a combination of electrostatic interactions and hydrogen bonding by the synergic effect of the clay and poly (itaconic acid). Moreover, the prepared aerogels exhibited a fast removal of Basic Fuchsin, with an adsorption capacity of 67.56 mg/g and a high removal efficiency (~99 %). The adsorption followed the pseudo-second-order kinetic model and Langmuir isotherm model. Furthermore, the thermodynamic parameters showed that the BF process of adsorption was spontaneous and feasible, endothermic, and followed physisorption. These results indicated that the PIA/laponite-based aerogel can be considered a promising adsorbent material in textile wastewater treatment.
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Affiliation(s)
- Gloria Huerta-Ángeles
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic.
| | - Lívia Kanizsová
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic
| | - Kacper Mielczarek
- Cracow University of Technology, Faculty of Chemical Engineering and Technology, Department of Biotechnology and Physical Chemistry, Cracow, Poland
| | - Magdalena Konefał
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic
| | - Rafał Konefał
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic
| | - Jiří Hodan
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic
| | - Olga Kočková
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic
| | - Szczepan Bednarz
- Cracow University of Technology, Faculty of Chemical Engineering and Technology, Department of Biotechnology and Physical Chemistry, Cracow, Poland
| | - Hynek Beneš
- Institute of Macromolecular Chemistry of the Czech Academy of Sciences, Heyrovského nam. 2, 162 06 Prague, 6, Czech Republic
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Mottola S, Iannone G, Giordano M, González-Garcinuño Á, Jiménez A, Tabernero A, Martín Del Valle E, De Marco I. Supercritical impregnation of starch aerogels with quercetin: Fungistatic effect and release modelling with a compartmental model. Int J Biol Macromol 2023; 253:127406. [PMID: 37832612 DOI: 10.1016/j.ijbiomac.2023.127406] [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: 07/26/2023] [Revised: 09/30/2023] [Accepted: 10/10/2023] [Indexed: 10/15/2023]
Abstract
This work proposes the use of supercritical CO2 to impregnate starch (potato and corn) aerogels with quercetin for a potential fungistatic application. Starch aerogels were successfully produced with supercritical drying, but different results were found depending on the amylose/amylopectin ratio. A higher amount of amylose increases aerogels' specific surface area (with a structure with nanofibrils and nodes) due to the linear and amorphous character of this polymer, whereas a higher amount of amylopectin decreases this property until values of only 25 m2·g-1, obtaining an aerogel with a rough surface. These results were explained with XRD, thermogravimetric, and rheological results (triple step with two temperature sweeps and a time sweep and steady state analysis) concerning hydrogel formation. In fact, retrogradation step plays a more important role in hydrogel formation for a starch source with a higher amount of amylopectin due to an increase in the different polymers' interactions. Supercritical impregnation of quercetin on the aerogels was successfully performed (a loading around 0.30 % with respect to the amount of polymer), and in vitro results indicated that the aerogels produced a fungistatic effect on different types of fungi, but only in the first 12 h because the microorganisms adapted to the surrounding environment. Finally, a compartmental model was used to fit the drug release, which is controlled by quercetin aqueous solubility, indicating the main mass transfer resistances (mass transfer through aerogels was always around 500 min-1 and dissolution process mass transfer from 5·10-3 to 1.65·10-3 s-1) and how an increase in the specific surface area of the aerogels (in the case of corn aerogel) provided a stronger initial burst (70-80 % in 20 min). In fact, this initial burst release was mathematically related to a parameter, that varies from 0.178 to 0.036 depending on the aerogel composition. This study shows that starch aerogels can be impregnated with a hydrophobic compound with fungistatic effect by using supercritical CO2, modifying in addition the drug release by changing the native starch.
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Affiliation(s)
- Stefania Mottola
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
| | - Giovanna Iannone
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
| | - Maria Giordano
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy
| | - Álvaro González-Garcinuño
- Department of Chemical Engineering, University of Salamanca, Plaza de los Caídos s/n, Salamanca, SA 37008, Spain; Institute of Biomedical Research, Hospital Virgen de la Vega, Paseo San Vicente 58-182, Salamanca, SA 37007, Spain
| | - Alejandro Jiménez
- GIR - QUESCAT, Department of Inorganic Chemistry, University of Salamanca, Plaza de los Caídos s/n, Salamanca, SA 37008, Spain
| | - Antonio Tabernero
- Department of Chemical Engineering, University of Salamanca, Plaza de los Caídos s/n, Salamanca, SA 37008, Spain; Institute of Biomedical Research, Hospital Virgen de la Vega, Paseo San Vicente 58-182, Salamanca, SA 37007, Spain.
| | - Eva Martín Del Valle
- Department of Chemical Engineering, University of Salamanca, Plaza de los Caídos s/n, Salamanca, SA 37008, Spain; Institute of Biomedical Research, Hospital Virgen de la Vega, Paseo San Vicente 58-182, Salamanca, SA 37007, Spain
| | - Iolanda De Marco
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy; Research Centre for Biomaterials BIONAM, University of Salerno, Via Giovanni Paolo II, 132, Fisciano, SA 84084, Italy.
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Ukani H, Mehra S, Parmar B, Kumar A, Khan I, El Seoud OA, Malek N. Metal–Organic Framework-Based Aerogel: A Novel Adsorbent for the Efficient Removal of Heavy Metal Ions and Selective Removal of a Cationic Dye from Aqueous Solution. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c03804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Hiral Ukani
- Ionic Liquids Research Laboratory, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat 395007, India
| | - Sanjay Mehra
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Salt and Marine Chemicals Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific and Industrial Research, G. B. Marg, Bhavnagar, Gujarat 364002, India
| | - Bhagyesh Parmar
- Ionic Liquids Research Laboratory, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat 395007, India
| | - Arvind Kumar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Salt and Marine Chemicals Division, CSIR-Central Salt and Marine Chemicals Research Institute, Council of Scientific and Industrial Research, G. B. Marg, Bhavnagar, Gujarat 364002, India
| | - Imran Khan
- Chemical Engineering Department, Government Engineering College, Bhuj, Gujarat 370001, India
| | - Omar A. El Seoud
- Institute of Chemistry, University of São Paulo, São Paulo, SP 05508-000, Brazil
| | - Naved Malek
- Ionic Liquids Research Laboratory, Department of Chemistry, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat 395007, India
- Institute of Chemistry, University of São Paulo, São Paulo, SP 05508-000, Brazil
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Validation of a compartmental model to predict drug release from porous structures produced by ScCO 2 techniques. Eur J Pharm Sci 2023; 180:106325. [PMID: 36351487 DOI: 10.1016/j.ejps.2022.106325] [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: 09/29/2022] [Revised: 11/02/2022] [Accepted: 11/04/2022] [Indexed: 11/09/2022]
Abstract
A global release model is proposed to study the drug release from porous materials for pharmaceutical applications. This model is defined by implementing a compartmental model where the release profile could be explained as the combination of mass transfer phenomena through three compartments as well as a desorption process or dissolution process from the support. This model was validated with five different systems produced with supercritical CO2 (aerogels, membranes, and fibers), showing different release processes. Numerical results indicate that this compartmental approach can be useful to determine adsorption and desorption constants as well as mass transfer resistances within the material. Likewise, this model can predict lag phases and imbibition phenomena. Therefore, the development of compartmental models can be an alternative to traditional models to successfully predict the drug profile of porous materials, achieving a complete understanding of the involved phenomena regardless of the material characteristics.
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