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Sintra TE, Abranches DO, Benfica J, Soares BP, Ventura SPM, Coutinho JAP. Cholinium-based ionic liquids as bioinspired hydrotropes to tackle solubility challenges in drug formulation. Eur J Pharm Biopharm 2021; 164:86-92. [PMID: 33895294 DOI: 10.1016/j.ejpb.2021.04.013] [Citation(s) in RCA: 14] [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: 01/16/2021] [Revised: 04/04/2021] [Accepted: 04/16/2021] [Indexed: 12/12/2022]
Abstract
Hydrotropy is a well-established strategy to enhance the aqueous solubility of hydrophobic drugs, facilitating their formulation for oral and dermal delivery. However, most hydrotropes studied so far possess toxicity issues and are inefficient, with large amounts being needed to achieve significant solubility increases. Inspired by recent developments in the understanding of the mechanism of hydrotropy that reveal ionic liquids as powerful hydrotropes, in the present work the use of cholinium vanillate, cholinium gallate, and cholinium salicylate to enhance the aqueous solubility of two model drugs, ibuprofen and naproxen, is investigated. It is shown that cholinium vanillate and cholinium gallate are able to increase the solubility of ibuprofen up to 500-fold, while all three ionic liquids revealed solubility enhancements up to 600-fold in the case of naproxen. Remarkably, cholinium salicylate increases the solubility of ibuprofen up to 6000-fold. The results obtained reveal the exceptional hydrotropic ability of cholinium-based ionic liquids to increase the solubility of hydrophobic drugs, even at diluted concentrations (below 1 mol·kg-1), when compared with conventional hydrotropes. These results are especially relevant in the field of drug formulation due to the bio-based nature of these ionic liquids and their low toxicity profiles. Finally, the solubility mechanism in these novel hydrotropes is shown to depend on synergism between both amphiphilic ions.
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Affiliation(s)
- Tânia E Sintra
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Dinis O Abranches
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Jordana Benfica
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Bruna P Soares
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Sónia P M Ventura
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João A P Coutinho
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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2
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Abranches DO, Benfica J, Soares BP, Ferreira AM, Sintra TE, Shimizu S, Coutinho JAP. The impact of the counterion in the performance of ionic hydrotropes. Chem Commun (Camb) 2021; 57:2951-2954. [PMID: 33621286 DOI: 10.1039/d0cc08092f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The efficiency of an ionic hydrotrope is shown to increase with the hydrophobicity of its counterion, challenging the common view that ionic hydrotropes should possess a small, densely charged counterion such as sodium or chloride.
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Affiliation(s)
- Dinis O Abranches
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Jordana Benfica
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Bruna P Soares
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Ana M Ferreira
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Tânia E Sintra
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Seishi Shimizu
- York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5DD, UK
| | - João A P Coutinho
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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4
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Sintra TE, Bagagem SS, Ghazizadeh Ahsaie F, Fernandes A, Martins M, Macário IP, Pereira JL, Gonçalves FJ, Pazuki G, Coutinho JA, Ventura SP. Sequential recovery of C-phycocyanin and chlorophylls from Anabaena cylindrica. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117538] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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5
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Abranches DO, Benfica J, Soares BP, Leal-Duaso A, Sintra TE, Pires E, Pinho SP, Shimizu S, Coutinho JAP. Unveiling the mechanism of hydrotropy: evidence for water-mediated aggregation of hydrotropes around the solute. Chem Commun (Camb) 2020; 56:7143-7146. [DOI: 10.1039/d0cc03217d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [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
The mechanism of hydrotropy is experimentally proven in this work. Apolarity is shown to be the driving force of hydrotropy.
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Affiliation(s)
- Dinis O. Abranches
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Jordana Benfica
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Bruna P. Soares
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Alejandro Leal-Duaso
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH-CSIC) Facultad de Ciencias, C. S. I. C. – Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - Tânia E. Sintra
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Elísabet Pires
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH-CSIC) Facultad de Ciencias, C. S. I. C. – Universidad de Zaragoza
- E-50009 Zaragoza
- Spain
| | - Simão P. Pinho
- Centro de Investigação de Montanha (CIMO)
- Instituto Politécnico de Bragança
- 5300-253 Bragança
- Portugal
| | - Seishi Shimizu
- York Structural Biology Laboratory
- Department of Chemistry
- University of York
- York YO10 5DD
- UK
| | - João A. P. Coutinho
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
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6
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Sintra TE, Gantman MG, Ventura SP, Coutinho JA, Wasserscheid P, Schulz PS. Synthesis and characterization of chiral ionic liquids based on quinine, l-proline and l-valine for enantiomeric recognition. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.03.084] [Citation(s) in RCA: 19] [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: 11/28/2022]
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7
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Belchior DCV, Almeida MR, Sintra TE, Ventura SPM, Duarte IF, Freire MG. Odd–Even Effect in the Formation and Extraction Performance of Ionic-Liquid-Based Aqueous Biphasic Systems. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00663] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [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)
- Diana C. V. Belchior
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mafalda R. Almeida
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Tânia E. Sintra
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Sónia P. M. Ventura
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Iola F. Duarte
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mara G. Freire
- CICECO—Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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8
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Morais ES, Silva NHCS, Sintra TE, Santos SAO, Neves BM, Almeida IF, Costa PC, Correia-Sá I, Ventura SPM, Silvestre AJD, Freire MG, Freire CSR. Anti-inflammatory and antioxidant nanostructured cellulose membranes loaded with phenolic-based ionic liquids for cutaneous application. Carbohydr Polym 2019; 206:187-197. [PMID: 30553312 PMCID: PMC6441335 DOI: 10.1016/j.carbpol.2018.10.051] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [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: 04/24/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 11/29/2022]
Abstract
The utilization of natural compounds, such as phenolic acids and biopolymers, in the healthcare domain is gaining increasing attention. In this study, bacterial nanocellulose (BC) membranes were loaded with ionic liquids (ILs) based on phenolic acids. These ionic compounds, with improved solubility and bioavailability, were prepared by combining the cholinium cation with anions derived from caffeic, ellagic and gallic acids. The obtained BC-ILs membranes were homogeneous, conformable and their swelling ability agreed with the solubility of each IL. These membranes revealed a controlled ILs dissolution rate in the wet state and high antioxidant activity. In vitro assays performed with Raw 264.7 macrophages and HaCaT keratinocytes revealed that these novel BC-ILs membranes are non-cytotoxic and present relevant anti-inflammatory properties. Diffusion studies with Hanson vertical diffusion cells showed a prolonged release profile of the ILs from the BC membranes. Thus, this work, successfully demonstrates the potential of BC-ILs membranes for skin treatment.
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Affiliation(s)
- Eduarda S Morais
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Nuno H C S Silva
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Tânia E Sintra
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Sónia A O Santos
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Bruno Miguel Neves
- Department of Medical Sciences and Institute of Biomedicine - iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Isabel F Almeida
- UCIBIO-REQUIMTE, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4051-401 Porto, Portugal
| | - Paulo C Costa
- UCIBIO-REQUIMTE, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4051-401 Porto, Portugal
| | - Inês Correia-Sá
- Department of Plastic, Aesthetic, Reconstructive and Aesthetic Surgery, Centro Hospitalar de S. João, 4200-319 Porto, Portugal
| | - Sónia P M Ventura
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | | | - Mara G Freire
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Carmen S R Freire
- CICECO, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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9
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Sintra TE, Vilas M, Martins M, Ventura SPM, Lobo Ferreira AIMC, Santos LMNBF, Gonçalves FJM, Tojo E, Coutinho JAP. Synthesis and Characterization of Surface-Active Ionic Liquids Used in the Disruption of Escherichia Coli
Cells. Chemphyschem 2019; 20:727-735. [DOI: 10.1002/cphc.201801127] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 01/19/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Tânia E. Sintra
- Department of Chemistry CICECO - Aveiro Institute of Materials; University of Aveiro Campus Universitário de Santiago; 3810-193 Aveiro Portugal
| | - Miguel Vilas
- Department of Organic Chemistry Faculty of Chemistry; University of Vigo Marcosende, As Lagoas; 36310 Vigo Spain
| | - Margarida Martins
- Department of Chemistry CICECO - Aveiro Institute of Materials; University of Aveiro Campus Universitário de Santiago; 3810-193 Aveiro Portugal
| | - Sónia P. M. Ventura
- Department of Chemistry CICECO - Aveiro Institute of Materials; University of Aveiro Campus Universitário de Santiago; 3810-193 Aveiro Portugal
| | - Ana I. M. C. Lobo Ferreira
- Department of Chemistry and Biochemistry CIQUP, Faculty of Sciences; University of Porto Rua do Campo Alegre 1021/1055; 4169-007 Porto Portugal
| | - Luís M. N. B. F. Santos
- Department of Chemistry and Biochemistry CIQUP, Faculty of Sciences; University of Porto Rua do Campo Alegre 1021/1055; 4169-007 Porto Portugal
| | - Fernando J. M. Gonçalves
- Department of Biology CESAM; University of Aveiro Campus Universitário de Santiago; 3810-193 Aveiro Portugal
| | - Emília Tojo
- Department of Organic Chemistry Faculty of Chemistry; University of Vigo Marcosende, As Lagoas; 36310 Vigo Spain
| | - João A. P. Coutinho
- Department of Chemistry CICECO - Aveiro Institute of Materials; University of Aveiro Campus Universitário de Santiago; 3810-193 Aveiro Portugal
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10
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e Silva FA, Kholany M, Sintra TE, Caban M, Stepnowski P, Ventura SPM, Coutinho JAP. Aqueous Biphasic Systems Using Chiral Ionic Liquids for the Enantioseparation of Mandelic Acid Enantiomers. Solvent Extraction and Ion Exchange 2019. [DOI: 10.1080/07366299.2018.1545344] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Francisca A. e Silva
- CICECO, Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Mariam Kholany
- CICECO, Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Tânia E. Sintra
- CICECO, Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Magda Caban
- Department of Environmental Analysis, Institute for Environmental and Human Health Protection, Faculty of Chemistry, University of Gdańsk, Gdańsk, Poland
| | - Piotr Stepnowski
- Department of Environmental Analysis, Institute for Environmental and Human Health Protection, Faculty of Chemistry, University of Gdańsk, Gdańsk, Poland
| | - Sónia P. M. Ventura
- CICECO, Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - João A. P. Coutinho
- CICECO, Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Aveiro, Portugal
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11
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Belchior DCV, Sintra TE, Carvalho PJ, Soromenho MRC, Esperança JMSS, Ventura SPM, Rogers RD, Coutinho JAP, Freire MG. Odd-even effect on the formation of aqueous biphasic systems formed by 1-alkyl-3-methylimidazolium chloride ionic liquids and salts. J Chem Phys 2018; 148. [PMID: 30283158 DOI: 10.1063/1.5012020] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
This work provides a comprehensive evaluation of the effect of the cation alkyl side chain length of the 1-alkyl-3-methylimidazolium chloride series ([C n C1im]Cl, n = 2-14) of ionic liquids (ILs) on their capability to form aqueous biphasic systems (ABSs) with salts and self-aggregation derived properties. The liquid-liquid phase behavior of ternary systems composed of [C n C1im]Cl, water, and K3PO4 or K2CO3 and the respective Setschenow salting-out coefficients (ks ), a quantitative measure of the two-phase formation ability, were determined. An odd-even effect in the ks values along the number of methylene groups of the longest IL cation alkyl side chain was identified for the ABS formed by K2CO3, a weaker salting-out agent where the phenomenon is clearly identified. In general, cations with even alkyl side chains, being likely to display higher molar volumes, are more easily salted-out and thus more prone to undergo phase separation. The odd-even effect in the ks values is, however, more significant in ILs up to n = 6, where the nanostructuration/nanosegregation of ILs plays a less relevant role. Still, with the [C n C1im]Cl (n = 7-14) series of ILs, an odd-even effect was also identified in the ILs' ionization degree, molar conductivity, and conductivity at infinite dilution. In summary, it is shown here that the ILs' odd-even effect occurs in IL aqueous solutions and not just in neat ILs, an already well-established phenomenon occurring in a series of ILs' properties described as a result of the orientation of the terminal methyl groups to the imidazolium ring cation and consequent effect in the ILs' cohesive energy.
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Affiliation(s)
- Diana C V Belchior
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Tânia E Sintra
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Pedro J Carvalho
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mário R C Soromenho
- LAQV, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - José M S S Esperança
- LAQV, REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - Sónia P M Ventura
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Robin D Rogers
- 525 Solutions, Inc., P.O. Box 2206, Tuscaloosa, Alabama 35403, USA.,Department of Chemistry, The University of Alabama, Tuscaloosa, Alabama 35487, USA
| | - João A P Coutinho
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mara G Freire
- CICECO-Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal
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Mendonça CMN, Balogh DT, Barbosa SC, Sintra TE, Ventura SPM, Martins LFG, Morgado P, Filipe EJM, Coutinho JAP, Oliveira ON, Barros-Timmons A. Understanding the interactions of imidazolium-based ionic liquids with cell membrane models. Phys Chem Chem Phys 2018; 20:29764-29777. [DOI: 10.1039/c8cp05035j] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
IL–phospholipid interactions were studied using Langmuir monolayers and molecular simulations.
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Affiliation(s)
- Carlos M. N. Mendonça
- CICECO-Aveiro Institute of Materials – Department of Chemistry
- University of Aveiro
- Campus de Santiago
- Aveiro
- Portugal
| | | | | | - Tânia E. Sintra
- CICECO-Aveiro Institute of Materials – Department of Chemistry
- University of Aveiro
- Campus de Santiago
- Aveiro
- Portugal
| | - Sónia P. M. Ventura
- CICECO-Aveiro Institute of Materials – Department of Chemistry
- University of Aveiro
- Campus de Santiago
- Aveiro
- Portugal
| | - Luís F. G. Martins
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - Pedro Morgado
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - Eduardo J. M. Filipe
- Centro de Química Estrutural
- Instituto Superior Técnico
- Universidade de Lisboa
- 1049-001 Lisboa
- Portugal
| | - João A. P. Coutinho
- CICECO-Aveiro Institute of Materials – Department of Chemistry
- University of Aveiro
- Campus de Santiago
- Aveiro
- Portugal
| | | | - Ana Barros-Timmons
- CICECO-Aveiro Institute of Materials – Department of Chemistry
- University of Aveiro
- Campus de Santiago
- Aveiro
- Portugal
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13
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Vicente FA, Cardoso IS, Sintra TE, Lemus J, Marques EF, Ventura SPM, Coutinho JAP. Impact of Surface Active Ionic Liquids on the Cloud Points of Nonionic Surfactants and the Formation of Aqueous Micellar Two-Phase Systems. J Phys Chem B 2017; 121:8742-8755. [DOI: 10.1021/acs.jpcb.7b02972] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Filipa A. Vicente
- CICECO, Departamento
de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Inês S. Cardoso
- CICECO, Departamento
de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Tânia E. Sintra
- CICECO, Departamento
de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Jesus Lemus
- CICECO, Departamento
de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
- Seccion de Ingenieria Quimica, Universidad Autonoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Eduardo F. Marques
- Centro de Investigação em
Química (CIQ-UP), Departamento de Química e Bioquímica,
Faculdade de Ciências, Universidade do Porto, P-4169-007 Porto, Portugal
| | - Sónia P. M. Ventura
- CICECO, Departamento
de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - João A. P. Coutinho
- CICECO, Departamento
de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal
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14
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Sintra TE, Nasirpour M, Siopa F, Rosatella AA, Gonçalves F, Coutinho JAP, Afonso CAM, Ventura SPM. Ecotoxicological evaluation of magnetic ionic liquids. Ecotoxicol Environ Saf 2017; 143:315-321. [PMID: 28570952 DOI: 10.1016/j.ecoenv.2017.05.034] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [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: 11/02/2016] [Revised: 05/05/2017] [Accepted: 05/19/2017] [Indexed: 06/07/2023]
Abstract
Although magnetic ionic liquids (MILs) are not yet industrially applied, their continued development and eventual commercial use may lead to their appearance into the aquatic ecosystem through accidental spills or effluents, consequently promoting aquatic contaminations. Furthermore, the deficient information and uncertainty surrounding the environmental impact of MILs could be a major barrier to their widespread industrial application and international registration. Thus, in the present work, a range of cholinium salt derivatives with magnetic properties was synthesized and their ecotoxicity was evaluated towards the luminescent bacteria Vibrio fischeri. The results suggest that all MILs structures tested are moderately toxic, or even toxic, to the bacteria. Furthermore, their toxicity is highly dependent on the structural modifications of the cation, namely the alkyl side chain length and the number of hydroxyethyl groups, as well as the atomic number of the metal anion. Finally, from the magnetic anions evaluated, the [MnCl4]2- is the less toxic. In order to improve the knowledge for the prospective design of environmentally safer MILs, it is important to expand this study to other aquatic organisms at different trophic levels.
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Affiliation(s)
- Tânia E Sintra
- CICECO - Aveiro Institute of Materials & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Maryam Nasirpour
- CICECO - Aveiro Institute of Materials & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Filipa Siopa
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Andreia A Rosatella
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Fernando Gonçalves
- Department of Biology & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João A P Coutinho
- CICECO - Aveiro Institute of Materials & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Carlos A M Afonso
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Sónia P M Ventura
- CICECO - Aveiro Institute of Materials & Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
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Kurnia KA, Sintra TE, Danten Y, Cabaço MI, Besnard M, Coutinho JAP. A simple method for preparation of a novel hydrophobic ionic liquid with a per-fluoro-tert-butoxide anion. NEW J CHEM 2017. [DOI: 10.1039/c6nj02575g] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [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 simple and atom-economic method for preparation of a novel hydrophobic ionic liquid based on the per-fluoro-tert-butoxide anion.
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Affiliation(s)
- Kiki A. Kurnia
- Department of Chemical Engineering
- Universiti Teknologi PETRONAS
- Perak 32610
- Malaysia
| | - Tânia E. Sintra
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- Aveiro
- Portugal
| | - Yann Danten
- Institut de Sciences Moléculaires
- CNRS (UMR 5255)
- Université Bordeaux
- Talence Cedex
- France
| | - Maria Isabel Cabaço
- Centro de Física Atómica da UL
- 1694-003 Lisboa
- Portugal
- Departamento de Física
- Instituto Superior Técnico
| | - Marcel Besnard
- Institut de Sciences Moléculaires
- CNRS (UMR 5255)
- Université Bordeaux
- Talence Cedex
- France
| | - João A. P. Coutinho
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- Aveiro
- Portugal
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Das RN, Sintra TE, Coutinho JAP, Ventura SPM, Roy K, Popelier PLA. Development of predictive QSAR models for Vibrio fischeri toxicity of ionic liquids and their true external and experimental validation tests. Toxicol Res (Camb) 2016; 5:1388-1399. [PMID: 30090443 DOI: 10.1039/c6tx00180g] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Accepted: 07/06/2016] [Indexed: 11/21/2022] Open
Abstract
Despite possessing an interesting chemical nature and tuneable physicochemical properties, ionic liquids (ILs) must have their ecotoxicity tested in order to be commercialized. The water solubility of ILs allows their easy access to the aquatic compartment of the ecosystem creating a potential hazard to aquatic organisms. Hence, it is relevant to design ionic liquids with lower toxicity while keeping the desired properties of interest. Considering the possibility of an enormous number of combinations of different cations and anions, a rational guidance for the structural design of ionic liquids is essential in order to prioritize the synthesis as well as testing of selected molecules only. Predictive in silico models, such as quantitative structure-activity relationship (QSAR) models, can play a pivotal role in exploring the important chemical attributes contributing to the response activity. These models may then lead to the design of novel ionic liquids. The present study aims at developing predictive QSAR models for the ecotoxicity of ionic liquids using the bacteria Vibrio fischeri as an indicator response species. Instead of a single model, here we have used multiple models to capture more complete structural information of ionic liquids for toxicity towards Vibrio fischeri. The derived chemical attributes have been implemented in designing new analogues, some of which have been synthesized and had their ecotoxicity tested for the same model organism. The predictive QSAR models reported here can be used for ecotoxicity prediction of new IL chemicals and for data-gap filling. Moreover, the synthesized low-toxic ILs could be considered for evaluation as well as for application in suitable processes serving the purpose of industry and academia.
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Affiliation(s)
- Rudra Narayan Das
- Drug Theoretics and Cheminformatics Laboratory , Department of Pharmaceutical Technology , Jadavpur University , Kolkata 700 032 , India .
| | - Tânia E Sintra
- CICECO - Aveiro Institute of Materials , Department of Chemistry , University of Aveiro , 3810-193 Aveiro , Portugal .
| | - João A P Coutinho
- CICECO - Aveiro Institute of Materials , Department of Chemistry , University of Aveiro , 3810-193 Aveiro , Portugal .
| | - Sónia P M Ventura
- CICECO - Aveiro Institute of Materials , Department of Chemistry , University of Aveiro , 3810-193 Aveiro , Portugal .
| | - Kunal Roy
- Drug Theoretics and Cheminformatics Laboratory , Department of Pharmaceutical Technology , Jadavpur University , Kolkata 700 032 , India . .,Manchester Institute of Biotechnology , 131 Princess Street , Manchester M1 7DN , UK .
| | - Paul L A Popelier
- Manchester Institute of Biotechnology , 131 Princess Street , Manchester M1 7DN , UK .
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Sintra TE, Luís A, Rocha SN, Lobo Ferreira AIMC, Gonçalves F, Santos LMNBF, Neves BM, Freire MG, Ventura SPM, Coutinho JAP. Enhancing the antioxidant characteristics of phenolic acids by their conversion into cholinium salts. ACS Sustain Chem Eng 2015; 3:2558-2565. [PMID: 28255528 PMCID: PMC5330449 DOI: 10.1021/acssuschemeng.5b00751] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Due to the close relation between oxidative stress and a plethora of inflammatory diseases, antioxidants have received an increased attention for incorporation into dermatological products. Their use and absorption is however limited by their low solubility in water-rich formulations. Herein, a set of novel cholinium-based salts, namely dicholinium ellagate and cholinium caffeate, syringate, vanillate, gallate and salicylate were synthetized and characterized. Their melting and decomposition temperatures, water solubility, and toxicological, antioxidant, cytotoxicity and pro-/anti-inflammatory activities were addressed. These new salts, exclusively composed of ions derived from natural sources, display a high thermal stability - up to 150 ºC. The synthesized compounds are significantly more soluble in water (in average, 3 orders of magnitude higher) than the corresponding phenolic acids. Furthermore, they present not only similar but even higher antioxidant and anti-inflammatory activities, as well as comparable cytotoxicity and lower ecotoxicity profiles than their acidic precursors. Amongst all the investigated salts, dicholinium ellagate is the most promising synthesized salt when considering the respective antioxidant and anti-inflammatory activities. Since all the synthesized salts are based on the cholinium cation, they can further be envisaged as essential nutrients to be used in oral drugs.
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Affiliation(s)
- Tânia E. Sintra
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Andreia Luís
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Samuel N. Rocha
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana I. M. C. Lobo Ferreira
- CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Fernando Gonçalves
- CESAM, Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Luís M. N. B. F. Santos
- CIQUP, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Bruno M. Neves
- QOPNA, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
- Centre for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal
| | - Mara G. Freire
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Sónia P. M. Ventura
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João A. P. Coutinho
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
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Kurnia KA, Sintra TE, Neves CMSS, Shimizu K, Canongia Lopes JN, Gonçalves F, Ventura SPM, Freire MG, Santos LMNBF, Coutinho JAP. The effect of the cation alkyl chain branching on mutual solubilities with water and toxicities. Phys Chem Chem Phys 2014; 16:19952-63. [PMID: 25119425 PMCID: PMC4265389 DOI: 10.1039/c4cp02309a] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The design of ionic liquids has been focused on the cation-anion combinations but other more subtle approaches can be used. In this work the effect of the branching of the cation alkyl chain on the design of ionic liquids (ILs) is evaluated. The mutual solubilities with water and toxicities of a series of bis(trifluoromethylsulfonyl)-based ILs, combined with imidazolium, pyridinium, pyrrolidinium, and piperidinium cations with linear or branched alkyl chains, are reported. The mutual solubility measurements were carried out in the temperature range from (288.15 to 323.15) K. From the obtained experimental data, the thermodynamic properties of the solution (in the water-rich phase) were determined and discussed. The COnductor like Screening MOdel for Real Solvents (COSMO-RS) was used to predict the liquid-liquid equilibrium. Furthermore, molecular dynamic simulations were also carried out aiming to get a deeper understanding of these fluids at the molecular level. The results show that the increase in the number of atoms at the cation ring (from five to six) leads to a decrease in the mutual solubilities with water while increasing their toxicity, and as expected from the well-established relationship between toxicities and hydrophobicities of ILs. The branching of the alkyl chain was observed to decrease the water solubility in ILs, while increasing the ILs solubility in water. The inability of COSMO-RS to correctly predict the effect of branching alkyl chains toward water solubility on them was confirmed using molecular dynamic simulations to be due to the formation of nano-segregated structures of the ILs that are not taken into account by the COSMO-RS model. In addition, the impact of branched alkyl chains on the toxicity is shown to be not trivial and to depend on the aromatic nature of the ILs.
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Affiliation(s)
- Kiki A Kurnia
- Departamento de Química, CICECO, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
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