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Abstract
Chemical pollution of water has raised great concerns among citizens, lawmakers, and nearly all manufacturing industries. As the legislation addressing liquid effluents becomes more stringent, water companies are increasingly scrutinized for their environmental performance. In this context, emergent contaminants represent a major challenge, and the remediation of water bodies and wastewater demands alternative sorbent materials. One of the most promising adsorbing materials for micropolluted water environments involves cyclodextrin (CD) polymers and cyclodextrin-containing polysaccharides. Although cyclodextrins are water-soluble and, thus, unusable as adsorbents in aqueous media, they can be feasibly polymerized by using different crosslinkers such as epichlorohydrin, polycarboxylic acids, and glutaraldehyde. Likewise, with those coupling agents or after substituting hydroxyl groups with more reactive moieties, cyclodextrin units can be covalently attached to a pre-existing polysaccharide. In this direction, the functionalization of chitosan, cellulose, carboxymethyl cellulose, and other carbohydrate polymers with CDs is vastly found in the literature. For the system containing CDs to be used for remediation purposes, there are benefits from a synergy that arises from (i) the ability of CD units to interact selectively with a broad spectrum of molecules, forming inclusion complexes and higher-order supramolecular assemblies, (ii) the functional groups of the crosslinker comonomers, (iii) the three-dimensional structure of the crosslinked network, and/or (iv) the intrinsic characteristics of the polysaccharide backbone. In view of the most recent contributions regarding CD-based copolymers and CD-containing polysaccharides, this review discusses their performance as adsorbents in micropolluted water environments, as well as their interaction patterns, addressing the influence of their structural and physicochemical properties and their functionalization.
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Evaluation of Polyethylene Glycol Crosslinked β-CD Polymers for the Removal of Methylene Blue. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10134679] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The environment is at the heart of global worldwide discussion. This study describes the synthesis of ecofriendly polymers by a crosslinking reaction between β-cyclodextrin as the monomer and polyethylene glycol diglycidyl ether (PEDGE) as well as ethylene diglycidyl ether (EDGE) as the crosslinking agents. The studied polymers were characterized by several techniques, such as SEM, FTIR, TGA-TDA and XRD. Their adsorption properties for methylene blue under various conditions of pH, contact time and initial concentration of dye were assessed in order to find the optimal conditions. The results indicate that the polymers are good nominates for methylene blue adsorption with adsorption capacities up to 15 mg/g. The adsorption mechanism was demonstrated to follow the Langmuir model. Finally, the regeneration of the polymers was investigated using Soxhlet extraction with ethanol. The absorption capacities of the adsorbent were stable after three cycles.
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Morin-Crini N, Winterton P, Fourmentin S, Wilson LD, Fenyvesi É, Crini G. Water-insoluble β-cyclodextrin–epichlorohydrin polymers for removal of pollutants from aqueous solutions by sorption processes using batch studies: A review of inclusion mechanisms. Prog Polym Sci 2018. [DOI: 10.1016/j.progpolymsci.2017.07.004] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Crini G, Exposito Saintemarie A, Rocchi S, Fourmentin M, Jeanvoine A, Millon L, Morin-Crini N. Simultaneous removal of five triazole fungicides from synthetic solutions on activated carbons and cyclodextrin-based adsorbents. Heliyon 2017; 3:e00380. [PMID: 28920087 PMCID: PMC5576959 DOI: 10.1016/j.heliyon.2017.e00380] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 06/30/2017] [Accepted: 08/03/2017] [Indexed: 12/04/2022] Open
Abstract
In this study, an adsorption-oriented process for the removal of fungicides from polycontaminated aqueous solutions was applied. To remove triazole fungicides from aqueous mixtures of propiconazole (PROPI), tebuconazole (TEBU), epoxiconazole (EPOXI), bromuconazole (BROMU) and difenoconazole (DIFENO), several materials used as adsorbents were compared using batch experiments, namely two conventional activated carbons (ACs) and five nonconventional cross-linked cyclodextrin (CD)-based materials (α-CDP, β-CDP, γ-CDP, αβγ-CDP mixture, and hydroxypropyl-β-CDP). This article presents the abatements obtained. As expected, ACs exhibited the highest levels of triazole fungicide removal: the treatment lowered the five azoles by more than 99%, and adsorption was non-selective. Concerning CD-based materials employed for the first time for the removal of fungicides from polycontaminated aqueous solutions, results were interesting in particular for hydroxypropyl-β-CDP: 1 g of adsorbent placed in 1 L of solution containing 1 mg of each of five triazoles (5 mg in total) was able to remove over half of the fungicide amount (2.97 mg). The order obtained was the following: BROMU << PROPI ≅ EPOXI < TEBU << DIFENO. This indicates that, in the mixture studied, strong competition prevailed among fungicides for the binding sites.
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Affiliation(s)
- Grégorio Crini
- Université de Bourgogne Franche-Comté, UFR Sciences et Techniques, Laboratoire Chrono-environnement, UMR 6249, 16 Route de Gray, 25030 Besançon cedex, France
| | - Adeline Exposito Saintemarie
- Université de Bourgogne Franche-Comté, UFR Sciences et Techniques, Laboratoire Chrono-environnement, UMR 6249, 16 Route de Gray, 25030 Besançon cedex, France
| | - Steffi Rocchi
- Université de Bourgogne Franche-Comté, UFR Sciences et Techniques, Laboratoire Chrono-environnement, UMR 6249, 16 Route de Gray, 25030 Besançon cedex, France.,Parasitologie Mycologie, Centre Hospitalier Régional Universitaire, 25030 Besançon cedex, France
| | - Marc Fourmentin
- Université du Littoral Côte d'Opale, Laboratoire de Physico-Chimie de l'Atmosphère MREI2, 189A Avenue Maurice Schumann, 59140 Dunkerque, France
| | - Audrey Jeanvoine
- Université de Bourgogne Franche-Comté, UFR Sciences et Techniques, Laboratoire Chrono-environnement, UMR 6249, 16 Route de Gray, 25030 Besançon cedex, France.,Parasitologie Mycologie, Centre Hospitalier Régional Universitaire, 25030 Besançon cedex, France
| | - Laurence Millon
- Université de Bourgogne Franche-Comté, UFR Sciences et Techniques, Laboratoire Chrono-environnement, UMR 6249, 16 Route de Gray, 25030 Besançon cedex, France.,Parasitologie Mycologie, Centre Hospitalier Régional Universitaire, 25030 Besançon cedex, France
| | - Nadia Morin-Crini
- Université de Bourgogne Franche-Comté, UFR Sciences et Techniques, Laboratoire Chrono-environnement, UMR 6249, 16 Route de Gray, 25030 Besançon cedex, France
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Celebioglu A, ipek S, Durgun E, Uyar T. Selective and Efficient Removal of Volatile Organic Compounds by Channel-type Gamma-Cyclodextrin Assembly through Inclusion Complexation. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b01084] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Asli Celebioglu
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
| | - Semran ipek
- Department
of Engineering Physics, Istanbul Medeniyet University, Istanbul 34700, Turkey
| | - Engin Durgun
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
| | - Tamer Uyar
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
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Celebioglu A, Sen HS, Durgun E, Uyar T. Molecular entrapment of volatile organic compounds (VOCs) by electrospun cyclodextrin nanofibers. CHEMOSPHERE 2016; 144:736-744. [PMID: 26408981 DOI: 10.1016/j.chemosphere.2015.09.029] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 07/21/2015] [Accepted: 09/06/2015] [Indexed: 06/05/2023]
Abstract
In this paper, we reported the molecular entrapment performance of hydroxypropyl-beta-cyclodextrin (HPβCD) and hydroxypropyl-gamma-cyclodextrin (HPγCD) electrospun nanofibers (NF) for two common volatile organic compounds (VOCs); aniline and benzene. The encapsulation efficiency of CD samples were investigated depending on the various factors such as; CD form (NF and powder), electrospinning solvent (DMF and water), CD (HPβCD and HPγCD) and VOCs (aniline and benzene) types. BET analysis indicated that, electrospun CD NF have higher surface area compared to their powder form. In addition DMA measurement provided information about the mechanical properties of CD NF. The encapsulation capability of CD NF and CD powder was investigated by (1)H-NMR and HPLC techniques. The observed results suggested that, CD NF can entrap higher amount of VOCs from surroundings compared to their powder forms. Besides, molecular entrapment efficiency of CD NF also depends on CD, solvent and VOCs types. The inclusion complexation between CD and VOCs was determined by using TGA technique, from the higher decomposition temperature of VOCs. Finally, our results were fortified by the modeling studies which indicated the complexation efficiency variations between CD and VOC types. Here, the inclusion complexation ability of CD molecules was combined with very high surface area and versatile features of CD NF. So these findings revealed that, electrospun CD NF can serve as useful filtering material for air filtration purposes due to their molecular entrapment capability of VOCs.
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Affiliation(s)
- Asli Celebioglu
- Institute of Materials Science & Nanotechnology, Bilkent University, Ankara, 06800, Turkey; UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
| | - Huseyin Sener Sen
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
| | - Engin Durgun
- Institute of Materials Science & Nanotechnology, Bilkent University, Ankara, 06800, Turkey; UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey
| | - Tamer Uyar
- Institute of Materials Science & Nanotechnology, Bilkent University, Ankara, 06800, Turkey; UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, 06800, Turkey.
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Mallard I, Baudelet D, Castiglione F, Ferro M, Panzeri W, Ragg E, Mele A. Polydisperse methyl β-cyclodextrin-epichlorohydrin polymers: variable contact time (13)C CP-MAS solid-state NMR characterization. Beilstein J Org Chem 2015; 11:2785-94. [PMID: 26877800 PMCID: PMC4734408 DOI: 10.3762/bjoc.11.299] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 12/14/2015] [Indexed: 11/23/2022] Open
Abstract
The polymerization of partially methylated β-cyclodextrin (CRYSMEB) with epichlorohydrin was carried out in the presence of a known amount of toluene as imprinting agent. Three different preparations (D1, D2 and D3) of imprinted polymers were obtained and characterized by solid-state (13)C NMR spectroscopy under cross-polarization magic angle spinning (CP-MAS) conditions. The polymers were prepared by using the same synthetic conditions but with different molar ratios of imprinting agent/monomer, leading to morphologically equivalent materials but with different absorption properties. The main purpose of the work was to find a suitable spectroscopic descriptor accounting for the different imprinting process in three homogeneous polymeric networks. The polymers were characterized by studying the kinetics of the cross-polarization process. This approach is based on variable contact time CP-MAS spectra, referred to as VCP-MAS. The analysis of the VCP-MAS spectra provided two relaxation parameters: T CH (the CP time constant) and T 1ρ (the proton spin-lattice relaxation time in the rotating frame). The results and the analysis presented in the paper pointed out that T CH is sensitive to the imprinting process, showing variations related to the toluene/cyclodextrin molar ratio used for the preparation of the materials. Conversely, the observed values of T 1ρ did not show dramatic variations with the imprinting protocol, but rather confirmed that the three polymers are morphologically similar. Thus the combined use of T CH and T 1ρ can be helpful for the characterization and fine tuning of imprinted polymeric matrices.
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Affiliation(s)
| | - Davy Baudelet
- ULCO, UCEIV, F-59140 Dunkerque, France; UCLille, EA GRIIOT (4481), Laboratoire de Pharmacochimie, HEI, 13 rue de Toul, F-59046 Lille, France; UFR Pharmacie, EA GRIIOT (4481), Laboratoire de Chimie Analytique, BP 83, F-59006 Lille, France
| | - Franca Castiglione
- Dipartimento di Chimica, Materiali ed Ingegneria Chimica 'G. Natta' Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy
| | - Monica Ferro
- Dipartimento di Chimica, Materiali ed Ingegneria Chimica 'G. Natta' Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy
| | | | - Enzio Ragg
- Dipartimento di Scienze Molecolari Agroalimentari, Università di Milano, Via Celoria, 2 I-20133 Milano, Italy
| | - Andrea Mele
- Dipartimento di Chimica, Materiali ed Ingegneria Chimica 'G. Natta' Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy; CNR-ICRM, Via L. Mancinelli 7, I-20131 Milano, Italy
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Synthesis, characterization and sorption capacities toward organic pollutants of new β-cyclodextrin modified zeolite derivatives. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.04.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Khaoulani S, Chaker H, Cadet C, Bychkov E, Cherif L, Bengueddach A, Fourmentin S. Wastewater treatment by cyclodextrin polymers and noble metal/mesoporous TiO2 photocatalysts. CR CHIM 2015. [DOI: 10.1016/j.crci.2014.07.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Malanga M, Bálint M, Puskás I, Tuza K, Sohajda T, Jicsinszky L, Szente L, Fenyvesi É. Synthetic strategies for the fluorescent labeling of epichlorohydrin-branched cyclodextrin polymers. Beilstein J Org Chem 2014; 10:3007-18. [PMID: 25670971 PMCID: PMC4311710 DOI: 10.3762/bjoc.10.319] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Accepted: 11/28/2014] [Indexed: 11/23/2022] Open
Abstract
The fluorescent tagging of cyclodextrin derivatives enlarges their spectroscopic properties thus generating chemosensors, biological tools for visualization and sophisticated photoresponsive devices. Cyclodextrin polymers, due to the cooperative interactions, exhibit additional properties compared to their monomeric counterpart. These macromolecules can be prepared either in well water-soluble form or as gels of high swelling. Two versatile synthetic strategies for introducing a fluorescent tag (rhodamine, fluorescein, nitrobenzofuran or coumarin) into the water-soluble epichlorohydrin branched cyclodextrin polymers were worked out and compared. The fluorescent labeling was realized in three steps: 1) building in azido moieties, 2) transforming the azido groups into amino groups and 3) coupling the proper fluorescent compound to the amino groups. The other strategy started by functionalization of the monomer prior to the branching. Either the fluorescent-labeled monomer or the intermediate azido derivative of the monomer was branched. Further tuning of the properties of the polymer was achieved via branching of the methylated cyclodextrin derivative. The key intermediates and the fluorescent final products were characterized by various spectroscopic techniques and capillary electrophoresis. The applied synthetic routes were evaluated based on the molecular weight, cyclodextrin content of the products and the efficiency of labeling.
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Affiliation(s)
- Milo Malanga
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - Mihály Bálint
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - István Puskás
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - Kata Tuza
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - Tamás Sohajda
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - László Jicsinszky
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - Lajos Szente
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
| | - Éva Fenyvesi
- CycloLab Cyclodextrin Research and Development Laboratory Ltd, Illatos 7, Budapest, H-1097 Hungary
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Charles J, Crini G, Morin-Crini N, Badot PM, Trunfio G, Sancey B, de Carvalho M, Bradu C, Avramescu S, Winterton P, Gavoille S, Torri G. Advanced oxidation (UV-ozone) and cyclodextrin sorption: Effects of individual and combined action on the chemical abatement of organic pollutants in industrial effluents. J Taiwan Inst Chem Eng 2014. [DOI: 10.1016/j.jtice.2013.06.023] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Ciobanu A, Landy D, Fourmentin S. Complexation efficiency of cyclodextrins for volatile flavor compounds. Food Res Int 2013. [DOI: 10.1016/j.foodres.2013.03.048] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Retention of aroma compounds from Mentha piperita essential oil by cyclodextrins and crosslinked cyclodextrin polymers. Food Chem 2012; 138:291-7. [PMID: 23265490 DOI: 10.1016/j.foodchem.2012.10.106] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2012] [Revised: 10/02/2012] [Accepted: 10/15/2012] [Indexed: 11/22/2022]
Abstract
In this paper, the controlled release of aroma compounds from cyclodextrins (CDs) and CD polymers was studied by multiple headspace extraction (MHE) experiments. Mentha piperita essential oil was obtained by Soxhlet extraction and identification of the major compounds was performed by GC-MS analysis. Menthol, menthone, pulegone and eucalyptol were identified as the major components. Retention of standard compounds in the presence of different CDs and CD polymers has been realised by static headspace gas chromatography (SH-GC) at 25 °C in the aqueous or gaseous phase. Stability constants for standard compounds and for compounds in essential oil have been also determined with monomeric CD derivatives. The obtained results indicated the formation of a 1:1 inclusion complex for all the studied compounds. Molecular modelling was used to investigate the complementarities between host and guest. This study showed that β-CDs were the most versatile CDs and that β-CD polymers could perform the controlled release of aroma compounds.
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Erra L, Tedesco C, Immediata I, Gregoli L, Gaeta C, Merlini M, Meneghini C, Brunelli M, Fitch AN, Neri P. Inclusion properties of volatile organic compounds in a calixarene-based organic zeolite. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:8511-8517. [PMID: 22568745 DOI: 10.1021/la3009656] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The inclusion properties of a calixarene-based porous material have been studied to investigate the adsorption and the desorption of carbon tetrachloride, chloroform, and water in the zeolite-like structure. Uptake and release processes have been studied both by time-resolved powder X-ray diffraction and by thermogravimetric analysis to obtain structural and kinetic information. The selected guests are able to enter the structure with an increase in the host cell volume and with time-dependent diffusivity coefficients. Chloroform molecules act as a permanent porosity switch promoting a phase transition to non-porous triclinic form.
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Affiliation(s)
- Loredana Erra
- Dipartimento di Chimica e Biologia, Università di Salerno, via Ponte don Melillo, I-84084 Fisciano, Italy
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Inclusion interactions of cyclodextrins and crosslinked cyclodextrin polymers with linalool and camphor in Lavandula angustifolia essential oil. Carbohydr Polym 2012. [DOI: 10.1016/j.carbpol.2011.10.005] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Landy D, Mallard I, Ponchel A, Monflier E, Fourmentin S. Cyclodextrins for Remediation Technologies. ACTA ACUST UNITED AC 2011. [DOI: 10.1007/978-94-007-2442-6_2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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