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Milani M, Mazzanti M, Stevanin C, Chenet T, Magnacca G, Pasti L, Molinari A. CdS-Based Hydrothermal Photocatalysts for Complete Reductive Dehalogenation of a Chlorinated Propionic Acid in Water by Visible Light. Nanomaterials (Basel) 2024; 14:579. [PMID: 38607114 PMCID: PMC11013931 DOI: 10.3390/nano14070579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/11/2024] [Accepted: 03/25/2024] [Indexed: 04/13/2024]
Abstract
Cadmium sulfide (CdS)-based photocatalysts are prepared following a hydrothermal procedure (with CdCl2 and thiourea as precursors). The HydroThermal material annealed (CdS-HTa) is crystalline with a band gap of 2.31 eV. Photoelectrochemical investigation indicates a very reducing photo-potential of -0.9 V, which is very similar to that of commercial CdS. CdS-HTa, albeit having similar reducing properties, is more active than commercial CdS in the reductive dehalogenation of 2,2-dichloropropionic acid (dalapon) to propionic acid. Spectroscopic, electro-, and photoelectrochemical investigation show that photocatalytic properties of CdS are correlated to its electronic structure. The reductive dehalogenation of dalapon has a double significance: on one hand, it represents a demanding reductive process for a photocatalyst, and on the other hand, it has a peculiar interest in water treatment because dalapon can be considered a representative molecule of persistent organic pollutants and is one of the most important disinfection by products, whose removal from the water is the final obstacle to its complete reuse. HPLC-MS investigation points out that complete disappearance of dalapon passes through 2-monochloropropionic acid and leads to propionic acid as the final product. CdS-HTa requires very mild working conditions (room temperature, atmospheric pressure, natural pH), and it is stable and recyclable without significant loss of activity.
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Affiliation(s)
- Martina Milani
- Dipartimento di Scienze Chimiche, Farmaceutiche ed Agrarie, Università di Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy; (M.M.); (A.M.)
| | - Michele Mazzanti
- Dipartimento di Scienze Chimiche, Farmaceutiche ed Agrarie, Università di Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy; (M.M.); (A.M.)
| | - Claudia Stevanin
- Dipartimento di Scienze dell’Ambiente e della Prevenzione, Università di Ferrara, Corso Ercole I d’Este 32, 44121 Ferrara, Italy; (C.S.); (T.C.)
| | - Tatiana Chenet
- Dipartimento di Scienze dell’Ambiente e della Prevenzione, Università di Ferrara, Corso Ercole I d’Este 32, 44121 Ferrara, Italy; (C.S.); (T.C.)
| | - Giuliana Magnacca
- Dipartimento di Chimica, Università di Torino, Via P. Giuria 7, 10125 Torino, Italy;
| | - Luisa Pasti
- Dipartimento di Scienze dell’Ambiente e della Prevenzione, Università di Ferrara, Corso Ercole I d’Este 32, 44121 Ferrara, Italy; (C.S.); (T.C.)
| | - Alessandra Molinari
- Dipartimento di Scienze Chimiche, Farmaceutiche ed Agrarie, Università di Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy; (M.M.); (A.M.)
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Chen X, Boffa V, Ma X, Magnacca G, Calza P, Wang D, Meng F, Nielsen AH, Deganello F, Li K, Yue Y. Zeolite Imidazolate Frameworks-8@SiO 2-ZrO 2 Crystal-Amorphous Hybrid Core-Shell Structure as a Building Block for Water Purification Membranes. ACS Appl Mater Interfaces 2024; 16:11835-11848. [PMID: 38382008 PMCID: PMC10921995 DOI: 10.1021/acsami.3c19559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/06/2024] [Accepted: 02/06/2024] [Indexed: 02/23/2024]
Abstract
Metal-organic frameworks (MOFs) are emerging as promising materials for water purification membranes, owing to their uniform microporous structures and chemical functionalities. Here, we report a simple procedure for depositing MOF-based nanofiltration membranes on commercial TiO2 ceramic tubular supports, completely avoiding the use of dispersants or binders. Zeolite imidazolate frameworks-8 (ZIF-8) nanocrystals were synthesized in methanol at room temperature and subsequently coated with an amorphous SiO2-ZrO2 gel to generate a dispersion of ZIF-8@SiO2-ZrO2 core-shell nanoparticles. The amorphous SiO2-ZrO2 gel served as a binding agent for the ZIF-8 nanocrystals, thus forming a defect-free continuous membrane layer. After repeating the coating twice, the active layer had a thickness of 0.96 μm, presenting a rejection rate >90% for the total organic carbon in an aquaculture effluent and in a wastewater treatment plant, while reducing the concentration of trimethoprim, here used as a target pollutant. Moreover, the oxide gel provided the MOF-based active layer with good adhesion to the support and enhanced its hydrophilicity, resulting in a membrane with excellent mechanical stability and resistance to fouling during the crossflow filtration of the real wastewater samples. These results implied the high potential of the MOF-based nanocomposite membrane for effective treatment of actual wastewater streams.
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Affiliation(s)
- Xinxin Chen
- Department
of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | - Vittorio Boffa
- Department
of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | - Xianzheng Ma
- Department
of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | | | - Paola Calza
- Dipartimento
di Chimica, Università di Torino, Torino 10125, Italy
| | - Deyong Wang
- Department
of Materials and Production, Aalborg University, Aalborg 9220, Denmark
| | - Fanpeng Meng
- Shandong
Guiyuan Advanced Ceramic Co., Ltd (Sicer), Zibo 255086, China
| | | | - Francesca Deganello
- Istituto
per lo Studio dei Materiali Nanostrutturati (ISMN), Consiglio Nazionale delle Ricerche, Palermo 90146, Italy
| | - Kang Li
- Department
of Chemical Engineering, Imperial College
London, London SW7 2AZ, U.K.
| | - Yuanzheng Yue
- Department
of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
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Russo C, Gautier di Confiengo G, Magnacca G, Faga M, Apicella B. Insights on non-exhaust emissions: An approach for the chemical characterization of debris generated during braking. Heliyon 2023; 9:e20672. [PMID: 37842568 PMCID: PMC10568096 DOI: 10.1016/j.heliyon.2023.e20672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/25/2023] [Accepted: 10/04/2023] [Indexed: 10/17/2023] Open
Abstract
Up to 50 % of total PM2.5 emissions are due to particles derived from the automotive sector, and both exhaust and non-exhaust emissions contribute to the pollution of urban areas. Fuel incomplete combustion, or lubricant degradation due to high temperatures during the combustion process, are responsible for exhaust emissions. The non-exhaust ones concern brakes, tires and road surface-wear emissions and road resuspension contribution. The present study aims to provide a methodological approach for a detailed chemical characterization of wear friction products by means of a large array of techniques including spectroscopic tools, thermogravimetric analysis (TGA), chromatography, morphological and elemental analysis. The dust sample derived from the wear of a brake pad material was collected after a Noise & Vibration Harshness (NVH) test under loads similar to a Worldwide Light vehicle Test Procedure (WLTP) braking cycle. The TGA shows that only a small fraction is burned during the test in an oxidizing environment, testifying that the sample consists mostly of metals (more than 90 %). Fe exhibits the highest concentrations (50-80 %, even in the form of oxides). Also other kinds of metals, such as Zn, Al, Mg, Si, S, Sn, Mn, occur in small quantities (about 1-2% each). This finding is confirmed by X-ray diffraction (XRD) analysis. The organic fraction of the debris, investigated by means of Raman spectroscopy, has an evident aromatic character, probably due to oxidative phenomena occurring during the braking cycle test. Noteworthy, the extraction of the dust sample with organic solvents, revealed for the first time the presence of ultrafine particles (UFPs), even in the range of few nanometers (nanoparticles), and polycyclic aromatic hydrocarbons (PAHs), recognized as highly toxic compounds. The simultaneous presence of toxic organic carbon and metals makes of concern the non-exhaust emissions and mandatory a deep insight on their structure and detailed composition.
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Affiliation(s)
- C. Russo
- Istituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili, CNR, Italy
| | | | - G. Magnacca
- Dipartimento di chimica, Università degli Studi di Torino, Torino, Italy
| | - M.G. Faga
- Istituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili, CNR, Italy
| | - B. Apicella
- Istituto di Scienze e Tecnologie per l’Energia e la Mobilità Sostenibili, CNR, Italy
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Gomes BR, Lopes JL, Coelho L, Ligonzo M, Rigoletto M, Magnacca G, Deganello F. Development and Upscaling of SiO 2@TiO 2 Core-Shell Nanoparticles for Methylene Blue Removal. Nanomaterials (Basel) 2023; 13:2276. [PMID: 37630862 PMCID: PMC10458987 DOI: 10.3390/nano13162276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/03/2023] [Accepted: 08/04/2023] [Indexed: 08/27/2023]
Abstract
SiO2@TiO2 core-shell nanoparticles were successfully synthesized via a simple, reproducible, and low-cost method and tested for methylene blue adsorption and UV photodegradation, with a view to their application in wastewater treatment. The monodisperse SiO2 core was obtained by the classical Stöber method and then coated with a thin layer of TiO2, followed by calcination or hydrothermal treatments. The properties of SiO2@TiO2 core-shell NPs resulted from the synergy between the photocatalytic properties of TiO2 and the adsorptive properties of SiO2. The synthesized NPs were characterized using FT-IR spectroscopy, HR-TEM, FE-SEM, and EDS. Zeta potential, specific surface area, and porosity were also determined. The results show that the synthesized SiO2@TiO2 NPs that are hydrothermally treated have similar behaviors and properties regardless of the hydrothermal treatment type and synthesis scale and better performance compared to the SiO2@TiO2 calcined and TiO2 reference samples. The generation of reactive species was determined by EPR, and the photocatalytic activity was evaluated by the methylene blue (MB) removal in aqueous solution under UV light. Hydrothermally treated SiO2@TiO2 showed the highest adsorption capacity and photocatalytic removal of almost 100% of MB after 15 min in UV light, 55 and 89% higher compared to SiO2 and TiO2 reference samples, respectively, while the SiO2@TiO2 calcined sample showed 80%. It was also observed that the SiO2-containing samples showed a considerable adsorption capacity compared to the TiO2 reference sample, which improved the MB removal. These results demonstrate the efficient synergy effect between SiO2 and TiO2, which enhances both the adsorption and photocatalytic properties of the nanomaterial. A possible photocatalytic mechanism was also proposed. Also noteworthy is that the performance of the upscaled HT1 sample was similar to one of the lab-scale synthesized samples, demonstrating the potentiality of this synthesis methodology in producing candidate nanomaterials for the removal of contaminants from wastewater.
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Affiliation(s)
- Bárbara R. Gomes
- CeNTItvc—Centre for Nanotechnology and Smart Materials, Vila Nova de Famalicão 4760-034, Portugal; (B.R.G.); (J.L.L.)
| | - Joana L. Lopes
- CeNTItvc—Centre for Nanotechnology and Smart Materials, Vila Nova de Famalicão 4760-034, Portugal; (B.R.G.); (J.L.L.)
| | - Lorena Coelho
- CeNTItvc—Centre for Nanotechnology and Smart Materials, Vila Nova de Famalicão 4760-034, Portugal; (B.R.G.); (J.L.L.)
| | - Mattia Ligonzo
- Dipartimento di Chimica, Università degli Studi di Torino (UNITO), Via Pietro Giuria 7, 10124 Torino, Italy; (M.L.); (M.R.); (G.M.)
| | - Monica Rigoletto
- Dipartimento di Chimica, Università degli Studi di Torino (UNITO), Via Pietro Giuria 7, 10124 Torino, Italy; (M.L.); (M.R.); (G.M.)
| | - Giuliana Magnacca
- Dipartimento di Chimica, Università degli Studi di Torino (UNITO), Via Pietro Giuria 7, 10124 Torino, Italy; (M.L.); (M.R.); (G.M.)
- NIS Interdepartmental Centre, Università degli Studi di Torino, Via Pietro Giuria 7, 10124 Torino, Italy
| | - Francesca Deganello
- Consiglio Nazionale delle Ricerche (CNR) Istituto per lo Studio dei Materiali Nanostrutturati (ISMN), Via Ugo La Malfa 153, 90146 Palermo, Italy;
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Khalifa EB, Cecone C, Bracco P, Malandrino M, Paganini MC, Magnacca G. Eco-friendly PVA-LYS fibers for gold nanoparticle recovery from water and their catalytic performance. Environ Sci Pollut Res Int 2023; 30:65659-65674. [PMID: 37086312 DOI: 10.1007/s11356-023-26912-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 04/05/2023] [Indexed: 05/03/2023]
Abstract
In this work, we grafted lysine on PVA electrospun fibers, using a green preparation technique. The resulting fiber mats were proposed for gold nanoparticles (AuNPs) removal from water. The efficiency of three fibers with different lysine amounts (10, 20, and 30%) was investigated. The incorporation of amino groups in PVA fibers was firstly proved by FTIR, SEM, and elemental analysis, confirming the presence of lysine. Among the three different fibers, PVA-LYS 30% has shown the best removal efficiency, reaching 65%, at pH equal to 5. Adsorption isotherms were studied and showed that the Langmuir model is the best model fitting our experimental results, with a maximum adsorption capacity of 20.1 mg g-1. Metal-ligand interactions and electrostatic attraction between protonated amino groups of lysine on the fibers and negatively charged, citrate capped, AuNPs are the main proposed mechanisms for AuNP adsorption on the fibers. Sustainability of AuNPs adsorbed on these fibers has been checked through their reuse as catalyst for the reduction of 4-nitrophenol to 4-aminophenol. The process was completed within 60 min, and their reusability showed more than 99% efficiency after 5 reduction cycles. Our results prove that green PVA-LYS fibers can extract nanoparticles from water, as low cost-effective and eco-friendly adsorbent, and contribute to the promotion of a circular economy approach, through their reuse as catalyst in the reduction of pollutants.
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Affiliation(s)
- Eya Ben Khalifa
- Department of Chemistry and NIS Interdepartmental Centre, Torino University, Via P. Giuria 7, 10125, Turin, Italy
| | - Claudio Cecone
- Department of Chemistry and NIS Interdepartmental Centre, Torino University, Via P. Giuria 7, 10125, Turin, Italy.
| | - Pierangiola Bracco
- Department of Chemistry and NIS Interdepartmental Centre, Torino University, Via P. Giuria 7, 10125, Turin, Italy
| | - Mery Malandrino
- Department of Chemistry and NIS Interdepartmental Centre, Torino University, Via P. Giuria 7, 10125, Turin, Italy
| | - Maria Cristina Paganini
- Department of Chemistry and NIS Interdepartmental Centre, Torino University, Via P. Giuria 7, 10125, Turin, Italy
| | - Giuliana Magnacca
- Department of Chemistry and NIS Interdepartmental Centre, Torino University, Via P. Giuria 7, 10125, Turin, Italy
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Abolfazli Behrooz B, Oustan S, Mirseyed Hosseini H, Etesami H, Padoan E, Magnacca G, Marsan FA. The importance of presoaking to improve the efficiency of MgCl 2-modified and non-modified biochar in the adsorption of cadmium. Ecotoxicol Environ Saf 2023; 257:114932. [PMID: 37080130 DOI: 10.1016/j.ecoenv.2023.114932] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/14/2023] [Accepted: 04/16/2023] [Indexed: 05/03/2023]
Abstract
Investigating the effect of presoaking, as one of the most important physical factors affecting the adsorption behavior of biochar, on the adsorption of heavy metals by modified or non-modified biochar and presoaking mechanism is still an open issue. In this study, the water presoaking effect on the kinetics of cadmium (Cd) adsorption by rice husk biochar (produced at 450 °C, B1, and at 600 °C, B2) and the rice husk biochar modified with magnesium chloride (B1 modified with MgCl2, MB1, and B2 modified with MgCl2, MB2) was investigated. Furthermore, the effect of pH (2, 5, and 6), temperature (15, 25, and 35 °C), and biochar particle size (100 and 500 µm) on the kinetics of Cd adsorption was also investigated. Results revealed that the content of Cd adsorbed by the presoaked biochar was significantly higher than that by the non-presoaked biochar. The highest Cd adsorption capacity of MB2 and MB1 was 98.4 and 97.6 mg g-1, respectively, which was much better than that of B1 (7.6 mg g-1) and B2 (7.5 mg g-1). The modeling of kinetics results showed that in all cases pseudo-second-order model was well-fitted (R2>0.99) with Cd adsorption data. The results also indicated that the highest Cd adsorption values were observed at pH 6 in presoaked MB1 with size of 100 µm as well as at the temperature of 35 °C in presoaked MB2, indicating the optimum conditions for this process. The presoaking process was not affected by biochar size and pH, and the difference in adsorbed Cd content between presoaked biochars and non-presoaked ones was also similar. However, the temperature had a negative effect on presoaking. The presoaking process decreased micropores (<10 µm) in the biochars but had no effect on biochar hydrophobicity. Therefore, presoaking, which could significantly increase Cd adsorption and reduce equilibrium time by reducing the micropores of biochars, is suggested as an effective strategy for improving the efficiency of modified biochars or non-modified ones in the adsorption of contaminants (Cd) from aquatic media.
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Affiliation(s)
- Bahram Abolfazli Behrooz
- Department of Soil Science, College of Agriculture and Natural Resources, University of Tehran, Tehran, Iran
| | - Shahin Oustan
- Soil Science Department, Agricultural Faculty, University of Tabriz, Iran
| | - Hossein Mirseyed Hosseini
- Department of Soil Science, College of Agriculture and Natural Resources, University of Tehran, Tehran, Iran
| | - Hassan Etesami
- Department of Soil Science, College of Agriculture and Natural Resources, University of Tehran, Tehran, Iran.
| | - Elio Padoan
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Grugliasco, TO, Italy
| | - Giuliana Magnacca
- Dipartimento di chimica, Università degli Studi di Torino, Torino, Italy
| | - Franco Ajmone Marsan
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Grugliasco, TO, Italy
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Milani M, Mazzanti M, Magnacca G, Caramori S, Molinari A. A Novel Hydrothermal CdS with Enhanced Photocatalytic Activity and Photostability for Visible Light Hydrogenation of Azo Bond: Synthesis and Characterization. Nanomaterials (Basel) 2023; 13:413. [PMID: 36770375 PMCID: PMC9921911 DOI: 10.3390/nano13030413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/16/2023] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
A good photocatalyst maximizes the absorption of excitation light while reducing the recombination of photogenerated carriers. Among visible light responsive materials, CdS has good carrier transport capacity; however, its photostability is poor and limits its use. Here, the synthesis of a new hydrothermal CdS is reported, and post-synthesis annealing determines crystal properties and spectroscopic characteristics. The introduction of sulfur vacancies as intra band gap states is the key factor for the enhancement of photocatalytic activity. In fact, by spectroscopic and photo-electrochemical experiments, we demonstrate that sulfur vacancies act as an electron sink, favoring the charge transfer process to methyl orange. In addition, the studied hydrothermal CdS is characterized by very high stability, thus enabling a visible-light active photocatalyst that is overall recyclable, stable and more efficient than the commercial benchmark.
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Affiliation(s)
- Martina Milani
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy
| | - Michele Mazzanti
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy
| | - Giuliana Magnacca
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Stefano Caramori
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy
| | - Alessandra Molinari
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Via Luigi Borsari 46, 44121 Ferrara, Italy
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Ayala LIM, Aparicio F, Boffa V, Magnacca G, Carlos L, Bosio GN, Mártire DO. Removal of As(III) via adsorption and photocatalytic oxidation with magnetic Fe–Cu nanocomposites. Photochem Photobiol Sci 2022; 22:503-512. [PMID: 36327035 DOI: 10.1007/s43630-022-00330-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Accepted: 10/20/2022] [Indexed: 11/06/2022]
Abstract
Magnetic Fe-Cu nanocomposites with high adsorption capacity and photocatalytic properties were prepared via the precursor method using soluble substances isolated from urban biowaste (BBS) as carbon sources and different temperatures of the pyrolysis treatment (400, 600, and 800 °C). BBS is used as complexing agent for the Fe3+ and Cu2+ ions in the precursors. The as-prepared magnetic materials were tested in As(III) removal processes from water. Dark experiments performed with the materials obtained at 400 and 600 °C showed excellent adsorption capacities achieving a significant uptake of 911 and 840 mg g-1 for As(III), respectively. Experiments conducted under steady-state irradiation showed a reduction of 50-71% in As(III) levels evidencing the meaningful photocatalytic capacity of Fe-Cu nanocomposites. The best photocatalytic performance was obtained for the nanocomposite synthesized at the highest pyrolysis temperature, in line with the reported trend of HO· radicals production. Transient absorption spectroscopy experiments revealed the occurrence of an alternative oxidation pathway involving the valence band holes and yielded relevant kinetic information related to the early stages of the As(III) photooxidation. The higher absorption of the electron-hole pairs observed for the samples treated at lower temperature means that controlling the pyrolysis temperature during the synthesis of the Fe-Cu nanocomposites allows tuning the photocatalyst activity for oxidation of substrates via valence band holes, or via HO· radicals.
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Affiliation(s)
- Lucía I Morán Ayala
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina
| | - Francisca Aparicio
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina
| | - Vittorio Boffa
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220, Aalborg, Denmark
| | - Giuliana Magnacca
- Dipartimento di Chimica and NIS Inter-Departmental Centre, Università di Torino, Via Pietro Giuria 7, 10125, Torino, Italy
| | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (CONICET-UNCo), Universidad Nacional del Comahue, 8300, Neuquén, Argentina.
| | - Gabriela N Bosio
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina
| | - Daniel O Mártire
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET, Casilla de Correo 16, Sucursal 4, 1900, La Plata, Argentina.
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9
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Tummino ML, Nisticò R, Franzoso F, Bianco Prevot A, Calza P, Laurenti E, Paganini MC, Scalarone D, Magnacca G. The "Lab4treat" Outreach Experience: Preparation of Sustainable Magnetic Nanomaterials for Remediation of Model Wastewater. Molecules 2021; 26:3361. [PMID: 34199539 PMCID: PMC8199662 DOI: 10.3390/molecules26113361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/23/2021] [Accepted: 05/28/2021] [Indexed: 11/17/2022] Open
Abstract
The Lab4treat experience has been developed to demonstrate the use of magnetic materials in environmental applications. It was projected in the frame of the European project Mat4Treat, and it was tested several times in front of different audiences ranging from school students to the general public in training and/or divulgation events. The experience lends itself to discuss several aspects of actuality, physics and chemistry, which can be explained by modulating the discussion depth level, in order to meet the interests of younger or more experienced people and expand their knowledge. The topic is relevant, dealing with the recycling of urban waste and water depollution. The paper is placed within the field of water treatment for contaminant removal; therefore, a rich collection of recent (and less recent) papers dealing with magnetic materials and environmental issues is described in the Introduction section. In addition, the paper contains a detailed description of the experiment and a list of the possible topics which can be developed during the activity. The experimental approach makes the comprehension of scientific phenomena effective, and, from this perspective, the paper can be considered to be an example of interactive teaching.
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Affiliation(s)
- Maria Laura Tummino
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Roberto Nisticò
- Department of Applied Science and Technology DISAT, Polytechnic of Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Flavia Franzoso
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Alessandra Bianco Prevot
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Paola Calza
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Enzo Laurenti
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Maria Cristina Paganini
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Dominique Scalarone
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
| | - Giuliana Magnacca
- Department of Chemistry, University of Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (F.F.); (A.B.P.); (P.C.); (E.L.); (M.C.P.); (D.S.)
- NIS Interdepartmental Centre, University of Torino, Via P. Giuria 7, 10125 Torino, Italy
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10
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Tummino ML, Nisticò R, Riedo C, Fabbri D, Cerruti M, Magnacca G. Waste Cleaning Waste: Combining Alginate with Biowaste-Derived Substances in Hydrogels and Films for Water Cleanup. Chemistry 2021; 27:660-668. [PMID: 32970361 DOI: 10.1002/chem.202003250] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 09/03/2020] [Indexed: 11/10/2022]
Abstract
Biowaste-derived substances isolated from green compost (BBS-GC) are environmentally friendly reactants similar to humic substances, which contain multiple functionalities, that are suitable for adsorbing different kinds of pollutants in wastewater. Herein, sodium alginate (derived from brown algae) cross-linked with both Ca2+ ions and BBS-GC in the form of hydrogels and dried films are proposed as green, easy-to-form, and handleable materials for tertiary water treatments. The results show that both hydrogels and films are mechanically stable and can effectively remove differently charged dyes through an adsorption mechanism that can be described by the Freundlich model. BBS-GC-containing gels always performed better than samples prepared without BBS-GC, revealing that such unconventional materials can integrate waste valorization and water decontamination, potentially providing social and environmental benefits.
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Affiliation(s)
- Maria Laura Tummino
- Department of Chemistry, Università degli Studi di Torino, Via P. Giuria 7, 10125, Turin, Italy
- Current address: Institute of Intelligent Industrial Technologies and Systems, for Advanced Manifacturing-Italian National Research Council, Corso Giuseppe Pella 16, 13800, Biella, Italy
| | - Roberto Nisticò
- Independent Researcher, via Borgomasino 39, 10149, Turin, Italy
| | - Chiara Riedo
- Department of Chemistry, Università degli Studi di Torino, Via P. Giuria 7, 10125, Turin, Italy
| | - Debora Fabbri
- Department of Chemistry, Università degli Studi di Torino, Via P. Giuria 7, 10125, Turin, Italy
| | - Marta Cerruti
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 2B2, Canada
| | - Giuliana Magnacca
- Department of Chemistry, Università degli Studi di Torino, Via P. Giuria 7, 10125, Turin, Italy
- NIS Centre, Via P. Giuria 7, 10125, Turin, Italy
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11
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Nisticò R, Guerretta F, Benzi P, Magnacca G. Chitosan-derived biochars obtained at low pyrolysis temperatures for potential application in electrochemical energy storage devices. Int J Biol Macromol 2020; 164:1825-1831. [DOI: 10.1016/j.ijbiomac.2020.08.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 07/29/2020] [Accepted: 08/03/2020] [Indexed: 12/20/2022]
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12
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Tummino ML, Tolardo V, Malandrino M, Sadraei R, Magnacca G, Laurenti E. A Way to Close the Loop: Physicochemical and Adsorbing Properties of Soybean Hulls Recovered After Soybean Peroxidase Extraction. Front Chem 2020; 8:763. [PMID: 33005610 PMCID: PMC7479214 DOI: 10.3389/fchem.2020.00763] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 07/22/2020] [Indexed: 12/25/2022] Open
Abstract
Soybean hulls are one of the by-products of soybean crushing and find application mainly in the animal feed sector. Nevertheless, soybean hulls have been already exploited as source of peroxidase (soybean peroxidase, SBP), an enzyme adopted in a wide range of applications such as bioremediation and wastewater treatment, biocatalysis, diagnostic tests, therapeutics and biosensors. In this work, the soybean hulls after the SBP extraction, destined to become a putrescible waste, were recovered and employed as adsorbents for water remediation due to their cellulose-based composition. They were studied from a physicochemical point of view using different characterization techniques and applied for the adsorption of five inorganic ions [Fe(III), Al(III), Cr(III), Ni(II), and Mn(II)] in different aqueous matrixes. The behavior of the exhausted soybean hulls was compared to pristine hulls, demonstrating better performances as pollutant adsorbents despite significant changes in their features, especially in terms of surface morphology, charge and composition. Overall, this work evidences that these kinds of double-recovered scraps are an effective and sustainable alternative for metal contaminants removal from water.
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Affiliation(s)
| | | | | | - Razieh Sadraei
- Department of Chemistry, Università di Torino, Turin, Italy
| | - Giuliana Magnacca
- Department of Chemistry, Università di Torino, Turin, Italy.,Centre for Nanostructured Interfaces and Surfaces (NIS) and INSTM Reference Centre, Turin, Italy
| | - Enzo Laurenti
- Department of Chemistry, Università di Torino, Turin, Italy
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13
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Magnacca G, Neves Dos Santos F, Sadraei R. Bio-based Substances From Compost as Reactant and Active Phase for Selective Capture of Cationic Pollutants From Waste Water. Front Chem 2020; 8:550. [PMID: 32793547 PMCID: PMC7385075 DOI: 10.3389/fchem.2020.00550] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/28/2020] [Indexed: 11/13/2022] Open
Abstract
Alumina porous monoliths were successfully fabricated using a simple and reproducible synthesis dispersing gamma alumina phase from commercial boehmite (GAB) in water containing water-soluble bio-based substances (BBSs) obtained from composted biowaste. The wet mixture obtained was shaped in form of small spheres and then dried and calcined at 500°C in order to burn the organic matter and obtain mesoporous monoliths. They were successively functionalized with BBSs in order to introduce BBS functional groups and obtain an efficient adsorbing system. Therefore, in this work, BBSs acted as template/binder for the production of monoliths and as functionalizing agent of the produced monoliths. The reference powders, deeply studied in a published article (Sadraei et al., 2019b), and the monoliths of GAB before and after functionalization were characterized by means of x-ray diffraction to evidence their crystal structure, Fourier transform infrared spectroscopy for evaluating the presence of BBSs on the supports, thermogravimetric analysis to measure the thermal stability of the materials and quantify the functionalizing BBS amount immobilized on the supports, nitrogen adsorption at 77 K for the investigation of the surface area and porosity of the systems, and zeta potential measurements to analyze the effect of BBS immobilization on the surface charge of the supports and to predict the type of interaction, which can be established with substrates. Finally, the systems were applied in removal of pollutants with different charge, polarity, and molecular structure, such as dyes (crystal violet and acid orange 7) and contaminants of emerging concern (carbamazepine and atenolol). Only the cationic dye CV is captured by the adsorbing material, and this allows envisaging a possible use of the functionalized monoliths for selective adsorption of cationic substrates.
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Affiliation(s)
- Giuliana Magnacca
- Dipartimento di Chimica, Università di Torino, Turin, Italy.,Centre for Nanostructured Interfaces and Surfaces (NIS) Interdepartmental Centre, Università di Torino, Turin, Italy
| | | | - Razieh Sadraei
- Faculty of Science and Engineering, University of Wolverhampton, Wolverhampton, United Kingdom
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Eray E, Boffa V, Jørgensen MK, Magnacca G, Candelario VM. Enhanced fabrication of silicon carbide membranes for wastewater treatment: From laboratory to industrial scale. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118080] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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15
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Tummino ML, Magnacca G, Cimino D, Laurenti E, Nisticò R. The Innovation Comes from the Sea: Chitosan and Alginate Hybrid Gels and Films as Sustainable Materials for Wastewater Remediation. Int J Mol Sci 2020; 21:E550. [PMID: 31952241 PMCID: PMC7013933 DOI: 10.3390/ijms21020550] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/10/2020] [Accepted: 01/13/2020] [Indexed: 12/25/2022] Open
Abstract
The growing utilization of renewable and residual biomasses for environmental preservation and remediation are important goals to be pursued to minimize the environmental impact of human activities. In this paper, sodium alginate (derived from brown algae) was crosslinked using chitosan (mainly derived from the exoskeleton of crustaceans) in the presence of biowaste-derived substances isolated from green compost (BBS-GC), to produce hydrogels and dried films. The obtained materials were tested as adsorbents for wastewater remediation. To this purpose, gels were characterized using a multi-analytical approach and used as active substrates for the removal of three differently-charged molecules, chosen as model pollutants: crystal violet, rhodamine B, and orange II. The effectiveness of the gel formulations was demonstrated and attributed to the variety of active functionalities introduced by the different precursors, the structural factors and the peculiar physicochemical properties of the resulting materials.
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Affiliation(s)
- Maria Laura Tummino
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
| | - Giuliana Magnacca
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
- NIS Centre, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Dafne Cimino
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
- Department of Environmental Sciences, Informatics and Statistics, Università Ca’ Foscari di Venezia, Via Torino 155, 30172 Venezia-Mestre, Italy
| | - Enzo Laurenti
- Department of Chemistry, Università degli studi di Torino, Via P. Giuria 7, 10125 Torino, Italy; (M.L.T.); (G.M.); (D.C.); (E.L.)
| | - Roberto Nisticò
- Department of Applied Science and Technology DISAT, Polytechnic of Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
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16
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Calza P, Di Sarro J, Magnacca G, Bianco Prevot A, Laurenti E. Use of Low-Cost Magnetic Materials Containing Waste Derivatives for the (Photo)-Fenton Removal of Organic Pollutants. Materials (Basel) 2019; 12:ma12233942. [PMID: 31795189 PMCID: PMC6926715 DOI: 10.3390/ma12233942] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2019] [Revised: 11/22/2019] [Accepted: 11/25/2019] [Indexed: 11/16/2022]
Abstract
Hybrid magnetite/maghemite nanoparticles (MNP) coated with waste-sourced bio-based substances (BBS) were synthesized and studied for the degradation of phenol, chosen as a model pollutant, in water. A systematic study was undertaken in order to rationalize MNP-BBS behavior and optimize their performance. The effect of experimental parameters, such as light irradiation, addition of hydrogen peroxide, and the ratio between hydrogen peroxide and MNP-BBS concentrations, was studied. The generation of hydroxyl radicals was assessed, and the recovery and re-cycle of the material was investigated. Our results indicate that phenol degradation could be attained by both Fenton and photo-Fenton processes, with higher efficiency in dark condition and in the presence of a suitable amount of hydrogen peroxide. Evidence was obtained for the roles of iron ions leached from the materials as well as of organic matter released in the solution upon partial photodegradation of the organic coating. The reusability tests indicated a lower but still valid performance of the material. Optimization of the experimental conditions was performed to achieve the highest efficiency in substrate degradation, and fundamental insights into the mechanism of the MNP-BBS Fenton-like reaction were obtained.
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Affiliation(s)
- Paola Calza
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy (G.M.); (E.L.)
- Correspondence: (P.C.); (A.B.P.); Tel.: +39-011-670-5268 (P.C.); +39-011-670-5292 (A.B.P.)
| | - Jessica Di Sarro
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy (G.M.); (E.L.)
| | - Giuliana Magnacca
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy (G.M.); (E.L.)
- Nanostructured Interfaces and Surfaces (NIS) and National Interuniversity Consortium of Materials Science and Technology (INSTM) Reference Centre, Via P. Giuria 7, I-10125 Torino, Italy
| | - Alessandra Bianco Prevot
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy (G.M.); (E.L.)
- Correspondence: (P.C.); (A.B.P.); Tel.: +39-011-670-5268 (P.C.); +39-011-670-5292 (A.B.P.)
| | - Enzo Laurenti
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy (G.M.); (E.L.)
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17
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Aparicio F, Escalada JP, De Gerónimo E, Aparicio VC, García Einschlag FS, Magnacca G, Carlos L, Mártire DO. Carbamazepine Degradation Mediated by Light in the Presence of Humic Substances-Coated Magnetite Nanoparticles. Nanomaterials (Basel) 2019; 9:nano9101379. [PMID: 31561528 PMCID: PMC6836229 DOI: 10.3390/nano9101379] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 08/19/2019] [Accepted: 09/02/2019] [Indexed: 11/16/2022]
Abstract
The use of iron-based nanomaterials for environmental remediation processes has recently received considerable attention. Here, we employed core-shell magnetite-humic acids nanoparticles as a heterogeneous photosensitizer and iron source in photo-Fenton reaction for the degradation of the psychiatric drug carbamazepine (CBZ). CBZ showed low photodegradation rates in the presence of the magnetic nanoparticles, whereas the addition of hydrogen peroxide at pH = 3 to the system drastically increased the abatement of the contaminant. The measured Fe2+ and Fe3+ profiles point to the generation of Fe3+ at the surface of the nanoparticles, indicating a heterogeneous oxidation of the contaminant mediated by hydroxyl radicals. Products with a higher transformation degree were observed in the photo-Fenton procedure and support the attack of the HO• radical on the CBZ molecule. Promising results encourage the use of the nanoparticles as efficient iron sources with enhanced magnet-sensitive properties, suitable for applications in photo-Fenton treatments for the purification of wastewater.
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Affiliation(s)
- Francisca Aparicio
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET. Casilla de Correo 16, Sucursal 4, La Plata 1900, Argentina.
| | - Juan Pablo Escalada
- Unidad Académica Río Gallegos, Universidad Nacional de la Patagonia Austral, Río Gallegos 9400, Argentina.
| | - Eduardo De Gerónimo
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Route 226 Km 73,5, Balcarce 7620, Argentina.
| | - Virginia C Aparicio
- Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Balcarce, Route 226 Km 73,5, Balcarce 7620, Argentina.
| | - Fernando S García Einschlag
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET. Casilla de Correo 16, Sucursal 4, La Plata 1900, Argentina.
| | - Giuliana Magnacca
- Dipartimento di Chimica and NIS Inter-departmental Centre, Università di Torino, Via Giuria 7, 10125 Torino, Italy.
| | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas (PROBIEN), Neuquén 8300, Argentina.
| | - Daniel O Mártire
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de la Plata, CONICET. Casilla de Correo 16, Sucursal 4, La Plata 1900, Argentina.
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18
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Suri A, Calzavarini L, Strunck AB, Magnacca G, Boffa V. Comparison of Chemical Cross-Linkers with Branched and Linear Molecular Structures for Stabilization of Graphene Oxide Membranes and Their Performance in Ethanol Dehydration. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01532] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Anil Suri
- Center for Membrane Technology, Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg Øst, Denmark
| | | | - Azeem Bo Strunck
- Center for Membrane Technology, Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg Øst, Denmark
| | | | - Vittorio Boffa
- Center for Membrane Technology, Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg Øst, Denmark
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Affiliation(s)
| | - R. Scott Murphy
- Department of Chemistry and Biochemistry, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan S4S 0A2, Canada
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20
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Boffa V, Lunghi C, Quist-Jensen CA, Magnacca G, Calza P. Fabrication and Surface Interactions of Super-Hydrophobic Silicon Carbide for Membrane Distillation. Nanomaterials (Basel) 2019; 9:nano9081159. [PMID: 31412633 PMCID: PMC6723911 DOI: 10.3390/nano9081159] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 07/29/2019] [Accepted: 08/07/2019] [Indexed: 01/20/2023]
Abstract
Hydrophilic silicon carbide was modified by surface deposition of a super-hydrophobic coating that is based on perfluorosilanes. The modification was proven to yield membrane surfaces with contact angles that were higher than 145° and to be stable under hydrothermal conditions. The measurement of the isosteric heat of adsorption of water and toluene by microgravimetry showed that, after modification, the membrane material was fully covered by a low-energy surface, which is consistent with the fluorocarbon moieties that were introduced by the modification. The same modification method was applied to a commercial multichannel SiC membrane tube (nominal pore size = 0.04 µm), which was tested in a direct contact membrane distillation apparatus. The membrane was permeable to water vapour and volatiles, but it showed full rejection for salt ions and organic pollutants with low vapour pressure (such as ibuprofen and caffeine). Moreover, the membrane was reusable, and its performances were stable with no sign of pore wetting over 8 h of filtration.
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Affiliation(s)
- Vittorio Boffa
- Center for Membrane Technology, Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg Øst, Denmark.
| | - Cristian Lunghi
- Dipartimento di Chimica, Universitá di Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Cejna A Quist-Jensen
- Center for Membrane Technology, Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg Øst, Denmark
| | - Giuliana Magnacca
- Dipartimento di Chimica, Universitá di Torino, Via P. Giuria 7, 10125 Torino, Italy
- NIS Interdepartmental Center, Universitá di Torino, Via P. Giuria 7, 10125 Torino, Italy
| | - Paola Calza
- Dipartimento di Chimica, Universitá di Torino, Via P. Giuria 7, 10125 Torino, Italy
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21
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Naknikham U, Magnacca G, Qiao A, Kristensen PK, Boffa V, Yue Y. Phenol Abatement by Titanium Dioxide Photocatalysts: Effect of The Graphene Oxide Loading. Nanomaterials (Basel) 2019; 9:E947. [PMID: 31261941 PMCID: PMC6669876 DOI: 10.3390/nano9070947] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/22/2019] [Accepted: 06/24/2019] [Indexed: 11/27/2022]
Abstract
Hetero-photocatalytic graphene-TiO2 materials have, in the literature, been found to possess better photocatalytic activity for environmental applications compared to pure TiO2. These types of materials can be prepared in different ways; however, their photocatalytic performance and quality are not easily controlled and reproduced. Therefore, we synthetized graphene oxide-TiO2 nanoparticles by sol-gel reaction from TiCl4, as precursor, with two different methods of synthesis and with a graphene oxide (GO) loading ranging from 0 to 1.0. This approach led to a good adhesion of GO to TiO2 through the Ti-O-C bonding, which could enhance the photocatalytic performances of the materials. Overall, 0.05 wt % GO loading gave the highest rate in the photodegradation of phenol under visible light, while higher GO loadings had a negative impact on the photocatalytic performances of the composites. The 0.05 wt % GO-TiO2 composite material was confirmed to be a promising photocatalyst for water pollutant abatement. The designed synthetic approach could easily be implemented in large-scale production of the GO-TiO2 coupling materials.
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Affiliation(s)
- Usuma Naknikham
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark
| | | | - Ang Qiao
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
| | | | - Vittorio Boffa
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark.
| | - Yuanzheng Yue
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg, Denmark.
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China.
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22
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Peralta ME, Jadhav SA, Magnacca G, Scalarone D, Mártire DO, Parolo ME, Carlos L. Synthesis and in vitro testing of thermoresponsive polymer-grafted core-shell magnetic mesoporous silica nanoparticles for efficient controlled and targeted drug delivery. J Colloid Interface Sci 2019; 544:198-205. [DOI: 10.1016/j.jcis.2019.02.086] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 01/18/2019] [Accepted: 02/26/2019] [Indexed: 12/13/2022]
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23
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Tummino ML, Testa ML, Malandrino M, Gamberini R, Bianco Prevot A, Magnacca G, Laurenti E. Green Waste-Derived Substances Immobilized on SBA-15 Silica: Surface Properties, Adsorbing and Photosensitizing Activities towards Organic and Inorganic Substrates. Nanomaterials (Basel) 2019; 9:E162. [PMID: 30699919 PMCID: PMC6409592 DOI: 10.3390/nano9020162] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/24/2019] [Accepted: 01/25/2019] [Indexed: 11/16/2022]
Abstract
Urban wastes are a potential source of environment contamination, especially when they are not properly disposed. Nowadays, researchers are finding innovative solutions for recycling and reusing wastes in order to favour a sustainable development from the viewpoint of circular economy. In this context, the lignin-like fraction of biomass derived from Green Compost is a cost-effective source of soluble Bio-Based Substances (BBS-GC), namely complex macromolecules/supramolecular aggregates characterized by adsorbing and photosensitizing properties. In this work BBS-GC were immobilized on a silica support (SBA-15) and the chemico-physical properties of the resulting hybrid material (BBS-SBA) were analysed by zeta-potential measurements, nitrogen adsorption at 77K and micro-calorimetric techniques. Successively, the BBS-SBA photosensitizing and adsorption abilities were tested. Adsorption in the dark of Rhodamine B and Orange II on BBS-SBA and their degradation upon irradiation under simulated solar light were shown, together with the formation of hydroxyl radicals detected by Electron Paramagnetic Resonance spectroscopy. Furthermore, the adsorption of six inorganic ions (Al, Ni, Mn, As, Hg, Cr) on BBS-SBA was studied in pure water at two different pH values and in a landfill leachate, showing the good potential of this kind of materials in the removal of wastewater contaminants.
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Affiliation(s)
- Maria Laura Tummino
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
| | - Maria Luisa Testa
- Istituto per lo Studio dei Materiali Nanostrutturati, Consiglio Nazionale delle Ricerche, via U. La Malfa 153, I-90146 Palermo, Italy.
| | - Mery Malandrino
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
| | - Roberta Gamberini
- Acea Pinerolese Industriale S.p.A., Via Vigone 42, I-10064 Pinerolo (TO), Italy.
| | | | - Giuliana Magnacca
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
- NIS and INSTM Reference Centre, Via P. Giuria 7, I-10125 Torino, Italy.
| | - Enzo Laurenti
- Dipartimento di Chimica, Università di Torino, via P. Giuria 7, I-10125 Torino, Italy.
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Nisticò R, Cesano F, Franzoso F, Magnacca G, Scarano D, Funes IG, Carlos L, Parolo ME. From biowaste to magnet-responsive materials for water remediation from polycyclic aromatic hydrocarbons. Chemosphere 2018; 202:686-693. [PMID: 29602101 DOI: 10.1016/j.chemosphere.2018.03.153] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 03/21/2018] [Accepted: 03/22/2018] [Indexed: 06/08/2023]
Abstract
Composted urban biowaste-derived substances (BBS-GC) are used as carbon sources for the preparation of carbon-coated magnet-sensitive nanoparticles obtained via co-precipitation method and the subsequent thermal treatment at 550 °C under nitrogen atmosphere. A multitechnique approach has been applied to investigate the morphology, magnetic properties, phase composition, thermal stability of the obtained magnet-sensitive materials. In particular, pyrolysis-induced modifications affecting the BBS-GC/carbon shell were highlighted. The adsorption capacity of such bio-derivative magnetic materials for the removal of hydrophobic contaminants such as polycyclic aromatic hydrocarbons was evaluated in order to verify their potential application in wastewater remediation process. The promising results suggest their use as a new generation of magnet-responsive easily-recoverable adsorbents for water purification treatments.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; Polytechnic of Torino, Department of Applied Science and Technology DISAT, C.so Duca degli Abruzzi 24, 10129 Torino, Italy
| | - Federico Cesano
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS Interdepartment Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Flavia Franzoso
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS Interdepartment Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Domenica Scarano
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS Interdepartment Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Israel G Funes
- Instituto de Investigación en Toxicología Ambiental y Agrobiotecnología, CITAAC (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional Del Comahue, Buenos Aires 1400, 8300 Neuquén, Argentina
| | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional Del Comahue, Buenos Aires 1400, 8300 Neuquén, Argentina
| | - Maria E Parolo
- Instituto de Investigación en Toxicología Ambiental y Agrobiotecnología, CITAAC (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional Del Comahue, Buenos Aires 1400, 8300 Neuquén, Argentina.
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25
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Palma D, Bianco Prevot A, Brigante M, Fabbri D, Magnacca G, Richard C, Mailhot G, Nisticò R. New Insights on the Photodegradation of Caffeine in the Presence of Bio-Based Substances-Magnetic Iron Oxide Hybrid Nanomaterials. Materials (Basel) 2018; 11:ma11071084. [PMID: 29949864 PMCID: PMC6073507 DOI: 10.3390/ma11071084] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 06/19/2018] [Accepted: 06/22/2018] [Indexed: 01/19/2023]
Abstract
The exploitation of organic waste as a source of bio-based substances to be used in environmental applications is gaining increasing interest. In the present research, compost-derived bio-based substances (BBS-Cs) were used to prepare hybrid magnetic nanoparticles (HMNPs) to be tested as an auxiliary in advanced oxidation processes. Hybrid magnetic nanoparticles can be indeed recovered at the end of the treatment and re-used in further water purification cycles. The research aimed to give new insights on the photodegradation of caffeine, chosen as marker of anthropogenic pollution in natural waters, and representative of the contaminants of emerging concern (CECs). Hybrid magnetic nanoparticles were synthetized starting from Fe(II) and Fe(III) salts and BBS-C aqueous solution, in alkali medium, via co-precipitation. Hybrid magnetic nanoparticles were characterized via X-ray diffraction (XRD), thermo-gravimetric analysis (TGA) and Fourier transform infrared (FTIR) spectroscopy. The effect of pH, added hydrogen peroxide, and dissolved oxygen on caffeine photodegradation in the presence of HMNPs was assessed. The results allow for the hypothesis that caffeine abatement can be obtained in the presence of HMNPs and hydrogen peroxide through a heterogeneous photo-Fenton mechanism. The role of hydroxyl radicals in the process was assessed examining the effect of a selective hydroxyl radical scavenger on the caffeine degradation kinetic.
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Affiliation(s)
- Davide Palma
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125 Torino, Italy.
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | | | - Marcello Brigante
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | - Debora Fabbri
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125 Torino, Italy.
| | - Giuliana Magnacca
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125 Torino, Italy.
- NIS (Nanostructured Interfaces and Surfaces) Centre, Via P. Giuria 7, 10125 Torino, Italy.
| | - Claire Richard
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | - Gilles Mailhot
- CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France.
| | - Roberto Nisticò
- Polytechnic of Torino, Department of Applied Science and Technology DISAT, C.so Duca Degli Abruzzi 24, 10129 Torino, Italy.
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26
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Nisticò R, Celi LR, Bianco Prevot A, Carlos L, Magnacca G, Zanzo E, Martin M. Sustainable magnet-responsive nanomaterials for the removal of arsenic from contaminated water. J Hazard Mater 2018; 342:260-269. [PMID: 28843795 DOI: 10.1016/j.jhazmat.2017.08.034] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 08/11/2017] [Accepted: 08/13/2017] [Indexed: 06/07/2023]
Abstract
In this study, chitosan and bio-based substances (BBS) obtained from composted biowaste were used as stabilizers for the synthesis of magnet-sensitive nanoparticles (NPs) via coprecipitation method. A pyrolysis treatment was carried out on both biopolymers at 550°C, and their consequent conversion into a carbon matrix was followed by means of different physicochemical characterization techniques (mainly FTIR spectroscopy and XRD), whereas magnetic properties were evaluated by magnetization curves. The prepared materials were tested in water remediation processes from arsenic (As) species (both inorganic and organic forms). These tests, explained by means of the most common adsorption models, evidenced that the best performances were reached by both materials obtained after pyrolysis treatments, pointing out the promising application of such magnet-sensitive materials as easy-recoverable tools for water purification treatments.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; Polytechnic of Torino, Department of Applied Science and Technology DISAT, C.so Duca Degli Abruzzi 24, 10129 Torino, Italy.
| | - Luisella R Celi
- University of Torino, Department of Agricultural, Forest and Food Sciences, Soil Biogeochemistry, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
| | | | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (CONICET-UNCo), Buenos Aires 1400, Neuquén, Argentina
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy; NIS (Nanostructured Interphases and Surfaces) Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Elena Zanzo
- University of Torino, Department of Agricultural, Forest and Food Sciences, Soil Biogeochemistry, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
| | - Maria Martin
- University of Torino, Department of Agricultural, Forest and Food Sciences, Soil Biogeochemistry, Largo Paolo Braccini 2, 10095 Grugliasco, Italy
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Donadelli JA, García Einschlag FS, Laurenti E, Magnacca G, Carlos L. Soybean peroxidase immobilized onto silica-coated superparamagnetic iron oxide nanoparticles: Effect of silica layer on the enzymatic activity. Colloids Surf B Biointerfaces 2018; 161:654-661. [PMID: 29169120 DOI: 10.1016/j.colsurfb.2017.11.043] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 11/09/2017] [Accepted: 11/16/2017] [Indexed: 11/17/2022]
Abstract
Peroxidase immobilization onto magnetic supports is considered an innovative strategy for the development of technologies that involves enzymes in wastewater treatment. In this work, magnetic biocatalysts were prepared by immobilization of soybean peroxidase (SBP) onto different silica-coated superparamagnetic iron oxide nanoparticles. The obtained magnetic biocatalysts were tested for the degradation of malachite green (MG), a pollutant often found in industrial wastewaters and with significant drawbacks for the human and environmental health. A deep physicochemical characterization of the materials was performed by means of X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), High Resolution-Transmission Electron Microscope (HR-TEM) and magnetization measurements among others techniques. Results showed high immobilization yield of SBP onto nanomaterials with excellent properties for magnetic recoverability. A partial loss of activity with respect to free SBP was observed, compatible with the modification of the conformational structure of the enzyme after immobilization. The structural modification depended on the amount (and thickness) of silica present in the hybrid materials and the activity yield of 43% was obtained for the best biocatalyst. Thermal stability and reusability capacity were also evaluated.
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Affiliation(s)
- Jorge A Donadelli
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata-CONICET, Universidad Nacional de La Plata, Diag 113 y 64, La Plata, Argentina
| | - Fernando S García Einschlag
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata-CONICET, Universidad Nacional de La Plata, Diag 113 y 64, La Plata, Argentina
| | - Enzo Laurenti
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125, Torino, Italy
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125, Torino, Italy; NIS Interdepartmental Centre, Via P. Giuria 7, 10125, Torino, Italy
| | - Luciano Carlos
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (CONICET-UNCo), Buenos Aires, 1400, Neuquén, Argentina.
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28
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Jadhav SA, Nisticò R, Magnacca G, Scalarone D. Packed hybrid silica nanoparticles as sorbents with thermo-switchable surface chemistry and pore size for fast extraction of environmental pollutants. RSC Adv 2018; 8:1246-1254. [PMID: 35540902 PMCID: PMC9076942 DOI: 10.1039/c7ra11869d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 12/18/2017] [Indexed: 11/21/2022] Open
Abstract
Thermoresponsive poly(N-isopropylacrylamide)-grafted silica nanoparticles (SiNPs) have been synthesized and fully characterized by ATR-FTIR, TGA, HRTEM, BET and DLS analysis. Hybrid solid phase extraction (SPE) beds with tuneable pore size and switchable surface chemistry were prepared by packing the polymer-grafted nanoparticles inside SPE cartridges. The cartridges were tested by checking the thermo-regulated elution of model compounds, namely methylene blue, caffeine and amoxicillin. Extraction of the analytes and regeneration of the interaction sites on the sorbent surface was carried out entirely in water solution by changing the external temperature below and above the lower critical solution temperature (LCST) of the polymer. The results demonstrate that the elution of model compounds depends on the temperature-regulated size of the inter-particle voids and on the change of surface properties of the PNIPAM-grafted nanoparticles from hydrophilic to hydrophobic. Thermoresponsive poly(N-isopropylacrylamide)-grafted silica nanoparticles were synthesized and used to prepare solid phase extraction sorbents with switchable pore size and surface chemistry for temperature-regulated extraction of water pollutants.![]()
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Affiliation(s)
- Sushilkumar A. Jadhav
- Department of Chemistry and NIS Research Centre
- University of Torino
- 10125 Torino
- Italy
| | - Roberto Nisticò
- Department of Chemistry and NIS Research Centre
- University of Torino
- 10125 Torino
- Italy
| | - Giuliana Magnacca
- Department of Chemistry and NIS Research Centre
- University of Torino
- 10125 Torino
- Italy
| | - Dominique Scalarone
- Department of Chemistry and NIS Research Centre
- University of Torino
- 10125 Torino
- Italy
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29
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Nisticò R, Tabasso S, Magnacca G, Jordan T, Shalom M, Fechler N. Reactive Hypersaline Route: One-Pot Synthesis of Porous Photoactive Nanocomposites. Langmuir 2017; 33:5213-5222. [PMID: 28489387 DOI: 10.1021/acs.langmuir.7b00142] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Herein, porous photoactive nanocomposites are prepared by a simple one-pot synthesis approach using a salt and aqueous media. Within this reactive hypersaline route, the salt not only serves in the structuring of the composite but also becomes an integral active part of it. Here, the addition of sodium thiocyanate to a titania precursor guides, on the one hand, the formation of needle-shaped nanoparticles and, on the other hand, forms yellow compound isoperthiocyanic acid, which is homogeneously incorporated into the porous nanocomposite. Compared to a pure titania reference, this material reveals a 7-fold-increased photodegradation rate of Rhodamine B as a model compound. This reveals the reactive hypersaline route to be a promising and facile synthesis route toward photoactive porous materials.
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Affiliation(s)
- Roberto Nisticò
- University of Torino , Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Silvia Tabasso
- University of Torino , Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Giuliana Magnacca
- University of Torino , Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
- NIS Centre , Via P. Giuria 7, 10125 Torino, Italy
| | - Thomas Jordan
- Department of Colloids Chemistry, Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Menny Shalom
- Department of Colloids Chemistry, Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
| | - Nina Fechler
- Department of Colloids Chemistry, Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam-Golm, Germany
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30
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Bianco Prevot A, Baino F, Fabbri D, Franzoso F, Magnacca G, Nisticò R, Arques A. Urban biowaste-derived sensitizing materials for caffeine photodegradation. Environ Sci Pollut Res Int 2017; 24:12599-12607. [PMID: 27696166 DOI: 10.1007/s11356-016-7763-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 09/21/2016] [Indexed: 06/06/2023]
Abstract
Caffeine-photosensitized degradation has been studied in the presence of bio-based materials derived from urban biowaste after aerobic aging. A peculiar fraction (namely bio-based substances (BBSs)), soluble in all the pH range, has been used as photosensitizing agent. Several caffeine photodegradation tests have been performed, and positive results have been obtained in the presence of BBSs and H2O2, without and with additional Fe(II) (photo-Fenton-like process). Moreover, hybrid magnetite-BBS nanoparticles have been synthesized and characterized, in order to improve the sensitizer recovery and reuse after the caffeine degradation. In the presence of such nanoparticles and H2O2 and Fe(II), the complete caffeine degradation has been attained in very short time. Both homogeneous and heterogeneous processes were run at pH = 5, milder condition compared to the classic photo-Fenton process.
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Affiliation(s)
- A Bianco Prevot
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy.
| | - F Baino
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - D Fabbri
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - F Franzoso
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - G Magnacca
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
- NIS Centre, Via Giuria 7, Torino, Italy
| | - R Nisticò
- Dipartimento di Chimica, Università degli Studi di Torino, Torino, Italy
| | - A Arques
- Dpto de Ingeniería Textil y Papelera, Universitat Politècnica de València, Plaza Ferrándiz y Carbonell s/n, Alcoy, Spain
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31
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Naknikham U, Boffa V, Magnacca G, Qiao A, Jensen LR, Yue Y. Mutual-stabilization in chemically bonded graphene oxide–TiO2 heterostructures synthesized by a sol–gel approach. RSC Adv 2017. [DOI: 10.1039/c7ra07472g] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The Ti–O–C interactions between GO and TiO2 are strong enough to induce mutual shaping during synthesis and thermal treatment.
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Affiliation(s)
- Usuma Naknikham
- Department of Chemistry and Bioscience
- Aalborg University
- 9220 Aalborg
- Denmark
| | - Vittorio Boffa
- Department of Chemistry and Bioscience
- Aalborg University
- 9220 Aalborg
- Denmark
| | - Giuliana Magnacca
- Dipartimento di Chimica, NIS Centre
- Universitá di Torino
- 10125 Torino
- Italy
| | - Ang Qiao
- State Key Laboratory of Silicate Materials for Architectures
- Wuhan University of Technology
- Wuhan 430070
- China
| | | | - Yuanzheng Yue
- Department of Chemistry and Bioscience
- Aalborg University
- 9220 Aalborg
- Denmark
- State Key Laboratory of Silicate Materials for Architectures
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32
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Anceschi A, Magnacca G, Trotta F, Zanetti M. Preparation and characterization of microporous carbon spheres from high amylose pea maltodextrin. RSC Adv 2017. [DOI: 10.1039/c7ra05343f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Porous carbon materials have attracted great interest for their many industrial applications.
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Affiliation(s)
| | - Giuliana Magnacca
- University of Turin
- Department of Chemistry
- NIS Centre
- INSTM
- 10125 Torino
| | - Francesco Trotta
- University of Turin
- Department of Chemistry
- NIS Centre
- INSTM
- 10125 Torino
| | - Marco Zanetti
- University of Turin
- Department of Chemistry
- NIS Centre
- INSTM
- 10125 Torino
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33
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Nisticò R, Magnacca G, Jadhav SA, Scalarone D. Polystyrene- block-poly(ethylene oxide) copolymers as templates for stacked, spherical large-mesopore silica coatings: dependence of silica pore size on the PS/PEO ratio. Beilstein J Nanotechnol 2016; 7:1454-1460. [PMID: 27826520 PMCID: PMC5082481 DOI: 10.3762/bjnano.7.137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Accepted: 09/27/2016] [Indexed: 06/06/2023]
Abstract
Large-mesopore silica films with a narrow pore size distribution and high porosity have been obtained by a sol-gel reaction of a silicon oxide precursor (TEOS) and using polystyrene-block-poly(ethylene oxide) (PS-b-PEO) copolymers as templates in an acidic environment. PS-b-PEO copolymers with different molecular weight and composition have been studied in order to assess the effects of the block length on the pore size of the templated silica films. The changes in the morphology of the porous systems have been investigated by transmission electron microscopy and a systematic analysis has been carried out, evidencing the dependence between the hydrophilic/hydrophobic ratio of the two polymer blocks and the size of the final silica pores. The obtained results prove that by tuning the PS/PEO ratio, the pore size of the templated silica films can be easily and finely predicted.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
- NIS and INSTM Reference Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Sushilkumar A Jadhav
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Dominique Scalarone
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
- NIS and INSTM Reference Centre, Via P. Giuria 7, 10125 Torino, Italy
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34
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Nisticò R, Evon P, Labonne L, Vaca-Medina G, Montoneri E, Francavilla M, Vaca-Garcia C, Magnacca G, Franzoso F, Negre M. Extruded Poly(ethylene-co-vinyl alcohol) Composite Films Containing Biopolymers Isolated from Municipal Biowaste. ChemistrySelect 2016. [DOI: 10.1002/slct.201600335] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Roberto Nisticò
- Università degli studi di Torino; Dipartimento di Chimica; Via P. Giuria 7 10125 Torino Italy
| | - Philippe Evon
- Université de Toulouse, INP; Laboratoire de Chimie Agro-industrielle; ENSIACET; 4 Allée Emile Monso, BP 44362 31030 Toulouse Cedex 4 France
- INRA; Laboratoire de Chimie Agro-industrielle; 31030 Toulouse Cedex 4 France
| | - Laurent Labonne
- Université de Toulouse, INP; Laboratoire de Chimie Agro-industrielle; ENSIACET; 4 Allée Emile Monso, BP 44362 31030 Toulouse Cedex 4 France
- INRA; Laboratoire de Chimie Agro-industrielle; 31030 Toulouse Cedex 4 France
| | - Guadalupe Vaca-Medina
- Université de Toulouse, INP; Laboratoire de Chimie Agro-industrielle; ENSIACET; 4 Allée Emile Monso, BP 44362 31030 Toulouse Cedex 4 France
- INRA; Laboratoire de Chimie Agro-industrielle; 31030 Toulouse Cedex 4 France
| | - Enzo Montoneri
- Biowaste Processing; Via XXIV Maggio 25 37126 Verona Italy
| | - Matteo Francavilla
- STAR Integrated Research Unit; Università di Foggia; Via Gramsci, 89-91 71121 Foggia Italy
| | - Carlos Vaca-Garcia
- Université de Toulouse, INP; Laboratoire de Chimie Agro-industrielle; ENSIACET; 4 Allée Emile Monso, BP 44362 31030 Toulouse Cedex 4 France
- INRA; Laboratoire de Chimie Agro-industrielle; 31030 Toulouse Cedex 4 France
| | - Giuliana Magnacca
- Università degli studi di Torino; Dipartimento di Chimica; Via P. Giuria 7 10125 Torino Italy
| | - Flavia Franzoso
- Università degli studi di Torino; Dipartimento di Chimica; Via P. Giuria 7 10125 Torino Italy
| | - Michèle Negre
- Università degli studi di Torino; Dipartimento di Scienze Agrarie; Forestali e Alimentari; Largo P. Braccini 2 10095 Grugliasco (TO) Italy
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35
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Abstract
Graphene and MoS2, with their structural and morphological compatibility, can be well integrated to make new hybrid materials with enhanced catalytic properties, including the photodegradation of organic pollutants.
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Affiliation(s)
- Sara Cravanzola
- Department of Chemistry
- NIS (Nanostructured Interfaces and Surfaces) Interdepartmental Centre and INSTM Centro di Riferimento
- University of Torino
- 10125 Torino
- Italy
| | - Federico Cesano
- Department of Chemistry
- NIS (Nanostructured Interfaces and Surfaces) Interdepartmental Centre and INSTM Centro di Riferimento
- University of Torino
- 10125 Torino
- Italy
| | - Giuliana Magnacca
- Department of Chemistry
- NIS (Nanostructured Interfaces and Surfaces) Interdepartmental Centre and INSTM Centro di Riferimento
- University of Torino
- 10125 Torino
- Italy
| | - Adriano Zecchina
- Department of Chemistry
- NIS (Nanostructured Interfaces and Surfaces) Interdepartmental Centre and INSTM Centro di Riferimento
- University of Torino
- 10125 Torino
- Italy
| | - Domenica Scarano
- Department of Chemistry
- NIS (Nanostructured Interfaces and Surfaces) Interdepartmental Centre and INSTM Centro di Riferimento
- University of Torino
- 10125 Torino
- Italy
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Nisticò R, Avetta P, Calza P, Fabbri D, Magnacca G, Scalarone D. Selective porous gates made from colloidal silica nanoparticles. Beilstein J Nanotechnol 2015; 6:2105-2112. [PMID: 26665082 PMCID: PMC4660950 DOI: 10.3762/bjnano.6.215] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Accepted: 10/21/2015] [Indexed: 06/05/2023]
Abstract
Highly selective porous films were prepared by spin-coating deposition of colloidal silica nanoparticles on an appropriate macroporous substrate. Silica nanoparticles very homogenous in size were obtained by sol-gel reaction of a metal oxide silica precursor, tetraethyl orthosilicate (TEOS), and using polystyrene-block-poly(ethylene oxide) (PS-b-PEO) copolymers as soft-templating agents. Nanoparticles synthesis was carried out in a mixed solvent system. After spin-coating onto a macroporous silicon nitride support, silica nanoparticles were calcined under controlled conditions. An organized nanoporous layer was obtained characterized by a depth filter-like structure with internal porosity due to interparticle voids. Permeability and size-selectivity were studied by monitoring the diffusion of probe molecules under standard conditions and under the application of an external stimulus (i.e., electric field). Promising results were obtained, suggesting possible applications of these nanoporous films as selective gates for controlled transport of chemical species in solution.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Paola Avetta
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Paola Calza
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
- NIS Research Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Debora Fabbri
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
- NIS Research Centre, Via P. Giuria 7, 10125 Torino, Italy
| | - Dominique Scalarone
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125 Torino, Italy
- NIS Research Centre, Via P. Giuria 7, 10125 Torino, Italy
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37
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Nisticò R, Barrasso M, Carrillo Le Roux GA, Seckler MM, Sousa W, Malandrino M, Magnacca G. Biopolymers from Composted Biowaste as Stabilizers for the Synthesis of Spherical and Homogeneously Sized Silver Nanoparticles for Textile Applications on Natural Fibers. Chemphyschem 2015; 16:3902-9. [PMID: 26507571 DOI: 10.1002/cphc.201500721] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2015] [Indexed: 11/09/2022]
Abstract
The use of bio-based substances (BBS) obtained from composted biowaste as stabilizers for the production of silver nanoparticles (AgNPs) in substitution to citrate is investigated herein, evaluating the functionalization of natural fibers for textile antibacterial applications. The results obtained evidenced that BBS can substitute citrate as reducing/stabilizing agent in the synthesis, inducing a geometrical control (in shape and size) of the AgNPs. Two different substrates were selected (wool and cotton) and two dip-coating deposition techniques investigated. The release of AgNPs from the supports in water was evaluated under two different experimental conditions: 1) soaking (static conditions) for 7 and 15 days, simulating the contact with sweat, and 2) centrifugation (dynamic conditions), simulating a washing machine treatment. A wide physicochemical characterization was carried out to evaluate the effects of BBS on the morphology and stability of AgNPs suspensions as well as the functionalization effectiveness.
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Affiliation(s)
- Roberto Nisticò
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125, Torino, Italy.
| | - Marco Barrasso
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125, Torino, Italy
| | - Galo Antonio Carrillo Le Roux
- Escola Politécnica, Universidade de São Paulo, Departamento de Engenharia Química, Av. Prof. Luciano Gualberto, trav. 3, 380, São Paulo SP, Brazil
| | - Marcelo Martins Seckler
- Escola Politécnica, Universidade de São Paulo, Departamento de Engenharia Química, Av. Prof. Luciano Gualberto, trav. 3, 380, São Paulo SP, Brazil
| | - Walter Sousa
- Escola Politécnica, Universidade de São Paulo, Departamento de Engenharia Química, Av. Prof. Luciano Gualberto, trav. 3, 380, São Paulo SP, Brazil
| | - Mery Malandrino
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125, Torino, Italy
| | - Giuliana Magnacca
- University of Torino, Department of Chemistry, Via P. Giuria 7, 10125, Torino, Italy.,University of Torino, NIS Centre and INSTM Reference Centre, Via P. Giuria 7, 10125, Torino, Italy
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Musso GE, Bottinelli E, Celi L, Magnacca G, Berlier G. Influence of surface functionalization on the hydrophilic character of mesoporous silica nanoparticles. Phys Chem Chem Phys 2015; 17:13882-94. [PMID: 25946487 DOI: 10.1039/c5cp00552c] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the synthesis and surface functionalization of MCM-41-like mesoporous silica nanoparticles (MSNs) with spheroidal shape and particle size of 141 ± 41 nm. The success of surface functionalization with aminopropyl and sodium ethylcarboxylate groups (giving amino-MSN and carboxy-MSN, respectively) was ascertained by infrared spectroscopy and ζ potential measurements. The former showed the decrease of surface silanol groups and the corresponding appearance of signals related to NH2 bending mode (δNH2) at 1595 cm(-1) and COO(-) stretching (νas and νsym) at 1562 and 1418 cm(-1). The latter showed a change in surface charge, in that the isoelectric point (IEP) changed from pH 3-4.5 to 8.5 when the MSN was functionalized with the amino groups, while carboxy-MSN showed a more negative charge in the whole pH range with respect to MSN. The hydrophilic character of the prepared materials was ascertained by quantitative microgravimetric measurements, allowing the calculation of the average isosteric adsorption heat (q[combining macron]st). This was found to be 51 ± 3 kJ mol(-1), 61 ± 4, and 65 ± 3 kJ mol(-1) for MSN, amino-MSN, and carboxy-MSN samples, respectively. The increase in q[combining macron]st after functionalization can be ascribed to the specific interaction of water molecules with the functionalizing agents, in agreement with a higher basicity with respect to silanol groups. Moreover, the possibility of multiple H-bonding interactions of water molecules with the carboxylate anion is put forward to account for the higher water uptake with respect to parent MSN.
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Affiliation(s)
- G E Musso
- Università di Torino, Dipartimento di Chimica and NIS Centre, Via P. Giuria 7, 10125 Torino, Italy.
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39
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Corazzari I, Nisticò R, Turci F, Faga MG, Franzoso F, Tabasso S, Magnacca G. Advanced physico-chemical characterization of chitosan by means of TGA coupled on-line with FTIR and GCMS: Thermal degradation and water adsorption capacity. Polym Degrad Stab 2015. [DOI: 10.1016/j.polymdegradstab.2014.12.006] [Citation(s) in RCA: 202] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Testa ML, Tummino ML, Agostini S, Avetta P, Deganello F, Montoneri E, Magnacca G, Prevot AB. Synthesis, characterization and environmental application of silica grafted photoactive substances isolated from urban biowaste. RSC Adv 2015. [DOI: 10.1039/c5ra03164h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hybrid biowaste-derived silica-based systems show good photoactive performance, stability and reusability in the degradation of water pollutants.
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Affiliation(s)
| | | | | | - Paola Avetta
- Università di Torino
- Dipartimento di chimica
- Italy
| | | | | | - Giuliana Magnacca
- Università di Torino
- Dipartimento di chimica
- Italy
- NIS Centre of Excellence
- I-10125 Torino
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Iannarelli L, Nisticò R, Avetta P, Lazzari M, Magnacca G, Calza P, Fabbri D, Scalarone D. Composite membranes with hydrophilic nanopores derived from the self-assembly of block copolymer supramolecular complexes. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2014.11.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Deganello F, Tummino ML, Calabrese C, Testa ML, Avetta P, Fabbri D, Prevot AB, Montoneri E, Magnacca G. A new, sustainable LaFeO3 material prepared from biowaste-sourced soluble substances. NEW J CHEM 2015. [DOI: 10.1039/c4nj01279h] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A LaFeO3 photocatalyst is obtained by solution combustion synthesis from a bio-based substance extracted from urban wastes and tested for its catalytic activity.
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Affiliation(s)
- Francesca Deganello
- Istituto per lo Studio dei Materiali Nanostrutturati (ISMN) – Consiglio Nazionale delle Ricerche (CNR)
- UOS Palermo
- Palermo
- Italy
| | - Maria Laura Tummino
- Istituto per lo Studio dei Materiali Nanostrutturati (ISMN) – Consiglio Nazionale delle Ricerche (CNR)
- UOS Palermo
- Palermo
- Italy
- Università di Torino
| | - Carla Calabrese
- Istituto per lo Studio dei Materiali Nanostrutturati (ISMN) – Consiglio Nazionale delle Ricerche (CNR)
- UOS Palermo
- Palermo
- Italy
| | - Maria Luisa Testa
- Istituto per lo Studio dei Materiali Nanostrutturati (ISMN) – Consiglio Nazionale delle Ricerche (CNR)
- UOS Palermo
- Palermo
- Italy
| | - Paola Avetta
- Università di Torino
- Dipartimento di Chimica
- 10125 Torino
- Italy
| | - Debora Fabbri
- Università di Torino
- Dipartimento di Chimica
- 10125 Torino
- Italy
| | | | - Enzo Montoneri
- Università di Foggia
- STAR*Integrated Research Unit
- Foggia
- Italy
| | - Giuliana Magnacca
- Università di Torino
- Dipartimento di Chimica
- 10125 Torino
- Italy
- NIS Centre
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Cabello CP, Berlier G, Magnacca G, Rumori P, Palomino GT. Enhanced CO2 adsorption capacity of amine-functionalized MIL-100(Cr) metal–organic frameworks. CrystEngComm 2015. [DOI: 10.1039/c4ce01265h] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Functionalization of the MIL-100(Cr) metal–organic framework with alkylamines (ethylenediamine and N,N′-dimethylethylenediamine) improves carbon dioxide sorption properties, especially in the case of ethylenediamine.
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Affiliation(s)
| | - Gloria Berlier
- University of Torino
- Department of Chemistry and NIS Centre
- 10125 Torino, Italy
| | - Giuliana Magnacca
- University of Torino
- Department of Chemistry and NIS Centre
- 10125 Torino, Italy
| | - Paolo Rumori
- Department of Chemistry
- University of the Balearic Islands
- 07122 Palma de Mallorca, Spain
| | - Gemma Turnes Palomino
- Department of Chemistry
- University of the Balearic Islands
- 07122 Palma de Mallorca, Spain
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Abstract
Correction for ‘The hypersaline synthesis of titania: from powders to aerogels’ by R. Nisticò et al., RSC Adv., 2015, 5, 14333–14340.
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Affiliation(s)
- R. Nisticò
- University of Torino
- Department of Chemistry and NIS Research Centre
- 10125 Torino
- Italy
| | - G. Magnacca
- University of Torino
- Department of Chemistry and NIS Research Centre
- 10125 Torino
- Italy
| | - N. Fechler
- Max Planck Institute of Colloids and Interfaces
- Department of Colloid Chemistry
- 14424 Potsdam-Golm
- Germany
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45
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Abstract
This paper deals with the titania powders and aerogels production using inorganic water-soluble salts as porogens (salt-templating via hypersaline medium).
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Affiliation(s)
- R. Nisticò
- University of Torino
- Department of Chemistry and NIS Research Centre
- 10125 Torino
- Italy
| | - G. Magnacca
- University of Torino
- Department of Chemistry and NIS Research Centre
- 10125 Torino
- Italy
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Avetta P, Nisticò R, Faga MG, D'Angelo D, Boot EA, Lamberti R, Martorana S, Calza P, Fabbri D, Magnacca G. Hernia-repair prosthetic devices functionalised with chitosan and ciprofloxacin coating: controlled release and antibacterial activity. J Mater Chem B 2014; 2:5287-5294. [DOI: 10.1039/c4tb00236a] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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47
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Mercado DF, Magnacca G, Malandrino M, Rubert A, Montoneri E, Celi L, Bianco Prevot A, Gonzalez MC. Paramagnetic iron-doped hydroxyapatite nanoparticles with improved metal sorption properties. A bioorganic substrates-mediated synthesis. ACS Appl Mater Interfaces 2014; 6:3937-3946. [PMID: 24588498 DOI: 10.1021/am405217j] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This paper describes the synthesis of paramegnetic iron-containing hydroxyapatite nanoparticles and their increased Cu(2+) sorbent capacity when using Ca(2+) complexes of soluble bioorganic substrates from urban wastes as synthesis precursors. A thorough characterization of the particles by TEM, XRD, FTIR spectroscopy, specific surface area, TGA, XPS, and DLS indicates that loss of crystallinity, a higher specific area, an increased surface oxygen content, and formation of surface iron phases strongly enhance Cu(2+) adsorption capacity of hydroxyapatite-based materials. However, the major effect of the surface and morphologycal modifications is the size diminution of the aggregates formed in aqueous solutions leading to an increased effective surface available for Cu(2+) adsorption. Maximum sorption values of 550-850 mg Cu(2+) per gram of particles suspended in an aqueous solution at pH 7 were determined, almost 10 times the maximum values observed for hydroxyapatite nanoparticles suspensions under the same conditions.
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Affiliation(s)
- D Fabio Mercado
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata-CONICET, Universidad Nacional de La Plata , La Plata, Buenos Aires 1900, Argentina
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Molinari A, Maldotti A, Bratovcic A, Magnacca G. Photocatalytic properties of sodium decatungstate supported on sol–gel silica in the oxidation of glycerol. Catal Today 2013. [DOI: 10.1016/j.cattod.2011.11.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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50
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Magnacca G, Spezzati G, Deganello F, Testa ML. A new in situ methodology for the quantification of the oxygen storage potential in perovskite-type materials. RSC Adv 2013. [DOI: 10.1039/c3ra44930k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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