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Wang X, Wang X, Yang H, Zeng H, Xu Z, Chen W, Zhou G, Peng J. Preparation of ionic gel-modified stationary phase for RPLC/HILIC/IC separation and its application in per aqueous liquid chromatography. J Chromatogr A 2024; 1735:465313. [PMID: 39241402 DOI: 10.1016/j.chroma.2024.465313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2024] [Revised: 08/21/2024] [Accepted: 08/26/2024] [Indexed: 09/09/2024]
Abstract
In this study, we synthesized and employed an ionic gel-functionalized silica stationary phase for high-performance liquid chromatography. The successful fabrication of the stationary phase was confirmed through attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), zeta-potential measurements, and elemental analysis (EA). Comparative performance evaluation against a commercial column demonstrated the prepared column's effectiveness in the mixed mode of reversed-phase liquid chromatography (RPLC), hydrophilic interaction liquid chromatography (HILIC), and ion chromatography (IC). Moreover, the stationary phase exhibited exceptional retention repeatability in per aqueous liquid chromatography, showcasing its potential as an environmentally friendly analytical method. Mechanistic investigations unveiled multiple solute-stationary phase interactions, including π-π interactions, hydrogen bonding, and ion exchange. Finally, we applied the developed stationary phase for the precise detection of preservatives in carbonated beverages and jelly, achieving high levels of accuracy and recovery rates.
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Affiliation(s)
- Xiang Wang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Xingrui Wang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Hanqi Yang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Hanlin Zeng
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Zhiqiang Xu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Wenhao Chen
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Guangming Zhou
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Jingdong Peng
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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2
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Shakourian-Fard M, Ghenaatian HR, Kamath G. Geminal Dicationic Ionic Liquids (GDILs) and Their Adsorption on Graphene Nanoflakes. ACS OMEGA 2024; 9:7575-7587. [PMID: 38405523 PMCID: PMC10882669 DOI: 10.1021/acsomega.3c06581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 01/10/2024] [Accepted: 01/23/2024] [Indexed: 02/27/2024]
Abstract
In this work, the configuration and stability of 15 geminal dicationic ionic liquids (GDILs) and their adsorption mechanism on the graphene nanoflake (GNF) are investigated using the density functional theory (DFT) method. We find that the interactions of dications ([DAm]+, [DIm]+, [DImDm]+, [DPy]+, and [DPyrr]+)) are stabilized near the anions ([BF4]-, [PF6]-, and [Tf2N]-) in the most stable configurations of GDILs through electrostatic interactions, van der Waals (vdW) interactions, and hydrogen bonding (H-bonding). Our calculations show that the adsorption of the GDILs on the GNF is consistent with the charge transfer and occurs via X···π (X = N, O, F), C-H···π, and π···π noncovalent interactions, leading to a decrease in the strength of the intermolecular interactions between the dications and anions in the GDILs. The thermochemistry calculations reveal that the formation of GDIL@GNF complexes is an exothermic and favorable reaction. The adsorption energy (Eads) calculations show that the highest Eads values for the interaction of GDILs containing [BF4]-, [PF6]-, and [Tf2N]- anions with the GNF are observed for the [DPy][BF4]@GNF (-23.56 kcal/mol), [DPy][PF6]@GNF (-29.29 kcal/mol), and [DPyrr][Tf2N]@GNF (-24.74 kcal/mol) complexes, respectively. Our results show that the adsorption of the GDILs on the GNF leads to the decrease of the chemical potential (μ), chemical hardness (η), and HOMO-LUMO energy gap (Eg) values and an increase in the electrophilicity index (ω) value of the GNF. In addition, the effect of GDIL adsorption on the UV-vis absorption spectrum was studied at the TD-M06-2X/cc-pVDZ level of theory. We find that the adsorption of GDILs results in minimal change in the shape of the main absorption peak (at λ = 363 nm) in the GNF spectrum and only shifts it to higher wavelengths. On the other hand, a new peak appears in the GNF spectrum upon adsorption of [DPy][Y] (Y = [BF4]-, [PF6]-, and [Tf2N]-) due to the relatively strong π···π interactions between the [DPy]+ dication and GNF. Finally, the transition density matrix (TDM) heat maps show that electron transfers related to the excitation states in the GDIL@GNF complexes occur mainly through π(C=C) → π*(C=C) transitions in the GNF and the transitions from [DPy]+ dication to the GNF.
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Affiliation(s)
- Mehdi Shakourian-Fard
- Department
of Chemical Engineering, Birjand University
of Technology, Birjand,
P.O. Box 97175/569, Iran
| | | | - Ganesh Kamath
- Dalzierfiver
LLC, 3500 Carlfied St., El Sobrante, California 94803, United States
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3
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Liu X, Zhang Y, Sun S. Lipophilic alkyl caffeate synthesis using a novel green binuclear ionic liquid 1,1-bis(2-pyrrolidinone) sulfate ([C 3(Hnhp) 2][HSO 4] 2) catalyst. Food Chem 2024; 434:137500. [PMID: 37751672 DOI: 10.1016/j.foodchem.2023.137500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/06/2023] [Accepted: 09/13/2023] [Indexed: 09/28/2023]
Abstract
Caffeic acid (CA), as a potential green antioxidant, plays an important role in food processing. However, the low liposolubility of CA limits its applications. To overcome this issue, CA is normally modified by introducing a lipophilic group, such as alkyl alcohols, resulting in the formation of alkyl caffeate, which can significantly enhance the liposolubility of CA. In this study, a binuclear ionic liquid, 1,1-bis(2-pyrrolidinone) sulfate ([C3(Hnhp)2][HSO4]2), is successfully synthesized and characterized by FT-IR and 1H NMR. The physico-chemical properties of [C3(Hnhp)2][HSO4]2, including the density, viscosity, thermal stability and Brønsted acidity, were analyzed. As a novel catalyst for the esterification of CA with model dodecanol, its catalytic performance was investigated and optimized by response surface methodology. Under the optimal conditions, a 95.42 ± 1.01% yield of dodecanol caffeate was achieved. Moreover, the [C3(Hnhp)2][HSO4]2 exhibits excellent stability and reusability, making it a highly promising catalyst for the synthesis of various lipophilic alkyl caffeates.
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Affiliation(s)
- Xuejing Liu
- National Engineering Research Center of Wheat and Corn Further Processing, School of Food Science and Engineering, Henan University of Technology, Lianhua Road 100, Zhengzhou 450001, Henan Province, PR China.
| | - Yaoyao Zhang
- National Engineering Research Center of Wheat and Corn Further Processing, School of Food Science and Engineering, Henan University of Technology, Lianhua Road 100, Zhengzhou 450001, Henan Province, PR China.
| | - Shangde Sun
- National Engineering Research Center of Wheat and Corn Further Processing, School of Food Science and Engineering, Henan University of Technology, Lianhua Road 100, Zhengzhou 450001, Henan Province, PR China.
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4
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Song X, Tian R, Liu K. Recent advances in the application of ionic liquids in antimicrobial material for air disinfection and sterilization. Front Cell Infect Microbiol 2023; 13:1186117. [PMID: 37265495 PMCID: PMC10230022 DOI: 10.3389/fcimb.2023.1186117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/04/2023] [Indexed: 06/03/2023] Open
Abstract
Airborne transmission is one of the most unpredictable routes of infection. Nowadays, airborne diseases increase ever than before because of the complex living air environment. Apart from the inorganic particles, active microorganisms including bacteria, viruses, and fungi are incorporated in the pathogens acting as threaten to public health, which can hardly be treated by the traditional air purification methods based on adsorption. Therefore, effective filtration material with antimicrobial activity is demanded to solve the problem. Ionic liquids (ILs) are a category of salts that remain liquid at room temperature. The stable physico-chemical properties and extremely low vapor pressure make them suitable for a wide range of applications. Thanks to the numerous combinations of cations and anions, as well as the ability of inheriting properties from the parent ions, Ils are believed to be a promising industrial material. In recent decades, several Ils, such as imidazolium, pyridinium, pyrrolidinium, phosphonium, and choline, have been found to have antimicrobial activity in their monomeric or polymeric forms. This work focuses on the antimicrobial activity and safety of the latest types of ionic liquids, discussing the synthesis or manufacturing methods of Ils for air purification and filtration. Furthermore, possible applications of Ils antimicrobial materials in medical instruments and indoor environments are mentioned to encourage the scientific community to further explore the potential applications of Ils.
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Affiliation(s)
- Xizi Song
- Division of Environment and Sustainability, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, Hong Kong SAR, China
| | - Rujin Tian
- University of Health and Rehabilitation Sciences Qingdao Hospital (Qingdao Municipal Hospital), Qingdao, Shandong, China
| | - Kai Liu
- University of Health and Rehabilitation Sciences Qingdao Hospital (Qingdao Municipal Hospital), Qingdao, Shandong, China
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5
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Arteaga A, Ranathunga DTS, Qu J, Biguetti CC, Nielsen SO, C Rodrigues D. Exogenous Protein Delivery of Ionic Liquid-Mediated HMGB1 Coating on Titanium Implants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:2204-2217. [PMID: 36716434 DOI: 10.1021/acs.langmuir.2c02688] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Strategies for modifying titanium (Ti) implant surfaces are becoming increasingly popular to enhance osseointegration during acute and inflammatory healing stages. In this study, two dicationic imidazolium-based ionic liquids (IonLs) containing phenylalanine and methionine anions (IonL-Phe(1,10-bis(3-methylimidazolium-1-yl)decane diphenylalanine) and IonL-Met(1,10-bis(3-methylimidazolium-1-yl)decane dimethionine)) were investigated to stably deliver exogenous proteins on Ti to promote osseointegration. The protein selected for this study is High-Mobility Group Box 1 (HMGB1), which recruits inflammatory and mesenchymal stem cells to the implantation site, contributing to healing. To explore IonL-Ti interactions and HMGB1 stability on the IonL-coated surface, experimental characterization techniques including X-ray photoelectron spectroscopy, scanning electron microscopy, dynamic scanning calorimetry (DSC), and liquid chromatography mass spectrometry (LC-MS) were used along with molecular dynamics (MD) computer simulations to provide a detailed molecular level description. Results show well-structured IonL molecules on the Ti surface that impact protein crystallization and coating morphology. IonL cations and anions were found to bind strongly to oppositely charged residues of the protein. LC-MS/MS reveals that HMGB1 B-box lysine residues bind strongly to the IonLs. Stronger interactions of HMGB1 with Ion-Phe in contrast to IonL-Met results in greater retention capacity of HMGB1 in the IonL-Phe coating. Overall, this study provides evidence that the selected IonLs strongly interact with HMGB1, which can be a potential surface treatment for bone-implantable Ti devices.
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Affiliation(s)
- Alexandra Arteaga
- Department of Bioengineering, The University of Texas at Dallas, Richardson, Texas75080, United States
| | - Dineli T S Ranathunga
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas75080, United States
| | - Jiayi Qu
- School of Dentistry, University of Texas Health San Antonio, San Antonio, Texas78229, United States
| | - Claudia C Biguetti
- School of Medicine, University of Texas Rio Grande Valley, Edinburg, Texas78539, United States
| | - Steven O Nielsen
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas75080, United States
| | - Danieli C Rodrigues
- Department of Bioengineering, The University of Texas at Dallas, Richardson, Texas75080, United States
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6
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Akkravijitkul N, Cheechana N, Rithchumpon P, Junpirom T, Limwanich W, Nalampang K, Thavornyutikarn P, Punyodom W, Meepowpan P. Scalable and Room-Temperature Ring-Opening Polymerization of ε-Caprolactone Catalyzed by Active Lithium Tetramethylene-Tethered Bis[ N-( N'-butylimidazol-2-ylidene)] N-Heterocyclic Carbene as a Lewis Acid Organocatalyst. J Org Chem 2022; 87:12052-12064. [PMID: 36073019 DOI: 10.1021/acs.joc.2c01062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The Lewis acid organocatalytic system of lithium tetramethylene-tethered bis[N-(N'-butylimidazol-2-ylidene)] N-heterocyclic carbene (1,4-bisNHC) including lithium benzyloxide and benzyl alcohol has been successfully utilized in the ring-opening polymerization (ROP) of ε-caprolactone (CL) for the first time. The catalytic performance of this organic catalyst in the synthesis of high-molecular-weight polymers was investigated via bulk polymerization using different combinations of tetramethylene-tethered bis[N-(N'-butylimidazolium)] hexafluorophosphate (1,4-bis[Bim][PF6]), benzyl alcohol (BnOH), and n-butyl lithium (nBuLi) ([1,4-bis[Bim][PF6]]/[BnOH]/[nBuLi]) with the molar ratios of 0:2:2, 1:1:3, 1:2:3, and 1:2:4. The results showed that the molar ratio of 1:2:3 efficiently and rapidly initiated the bulk ROP of CL at room temperature with a high molar ratio of CL to 1,4-bis[Bim][PF6] of 3000/1 and produced the highest number of average-molecular-weight (Mn) poly(ε-caprolactone) (103,057 g mol-1) with the dispersity (D̵) and %conversion of 1.73 and 98% in a short period of time (152 s). From comparative studies, the relative polymerization rates of the bulk ROP of CL with different [1,4-bis[Bim][PF6]]/[BnOH]/[nBuLi] molar ratios was determined in the following order: 1:2:4 > 1:1:3 > 1:2:3 > 0:2:2. For mechanistic investigation, the bulk ROP mechanism of CL with our organic catalyst was proposed through the intramolecular bis-lithium-carbene interaction pathway for 1,4-bisNHC1,1,3, 1,4-bisNHC1,2,3, and 1,4-bisNHC1,2,4 systems.
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Affiliation(s)
- Natthapol Akkravijitkul
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Nathaporn Cheechana
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Puracheth Rithchumpon
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Graduate School, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Thiti Junpirom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Wanich Limwanich
- Faculty of Sciences and Agricultural Technology, Rajamangala University of Technology Lanna, Chiang Mai 50300, Thailand
| | - Kanarat Nalampang
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Praput Thavornyutikarn
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Winita Punyodom
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
| | - Puttinan Meepowpan
- Department of Chemistry, Faculty of Science, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence for Innovation in Chemistry (PERCH-CIC), Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand.,Center of Excellence in Materials Science and Technology, Chiang Mai University, 239 Huay Kaew Road, Chiang Mai 50200, Thailand
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7
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Porous liquids for gas capture, separation, and conversion: Narrowing the knowing-doing gap. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Xu C, Cheng Z. Dicationic Imizadolium‐Based Tetrafluoroborate Ionic Liquids: Synthesis and Hydrothermal Stability Study. ChemistrySelect 2022. [DOI: 10.1002/slct.202201799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chenqian Xu
- State Key Laboratory of Chemical Engineering School of Chemical Engineering East China University of Science and Technology Shanghai 200237 PR China
| | - Zhenmin Cheng
- State Key Laboratory of Chemical Engineering School of Chemical Engineering East China University of Science and Technology Shanghai 200237 PR China
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9
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Krasovskiy VG, Gorbatsevich OB, Talalaeva EV, Glukhov LM, Chernikova EA, Kustov LM. Synthesis and properties of dicationic ionic liquids with pentasiloxane linker. MENDELEEV COMMUNICATIONS 2022. [DOI: 10.1016/j.mencom.2022.07.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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10
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Krasovskii VG, Kapustin GI, Glukhov LM, Chernikova EA, Kustov LM. Dicationic Ionic Liquids As Heat Transfer Fluids in Vacuum. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2022. [DOI: 10.1134/s0036024422070172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Liu X, Li J, Guo Y, Wu J, Hu B. Oxidative Desulfurization of Fuel Oil Catalyzed by Carbon Nitride Supported Phosphotungstic Acid Based Dicationic Ionic Liquid. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00514f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, a novel phosphotungstic acid based dicationic ionic liquid [C2(MIM)2]PW12O40 was successfully prepared and immobilized on graphitic carbon nitride (g-C3N4). The supported catalysts wt% [C2(MIM)2]PW12O40/g-C3N4 (wt=3%, 10%, 30%,...
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12
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Avila J, Lepre LF, Goloviznina K, Guazzelli L, Pomelli CS, Chiappe C, Pádua A, Costa Gomes M. Improved carbon dioxide absorption in double-charged ionic liquids. Phys Chem Chem Phys 2021; 23:23130-23140. [PMID: 34617083 DOI: 10.1039/d1cp02080c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four divalent ionic liquids based on imidazolium cations with alkyl or ether functionalized side-chains were synthesised and characterized: 3,3'-(tetraethyleneglycol-1,11-diyl)bis(1-methyl-1H-imidazolium)bromide, [tetraEG(mim)2][Br]2, 3,3'-(tetraethyleneglycol-1,11-diyl)bis(1-methyl-1H-imidazolium)acetate, [tetraEG(mim)2][OAc]2, 1-butyl-3-methylimidazolium malonate, [C4mim]2[Mal], and 3-butyl-1-methylimidazolium glutarate, [C4mim]2[Glut]. Their densities vary between 1.1 and 1.5 g cm-3 and their viscosities between 0.2 and 4 Pa s at 353 K. We found that the molar volumes are not additive, especially in the case of the divalent ionic liquids based on the double-charged imidazolium cations, meaning that they cannot be predicted using common group contribution methods. The reason for this behaviour could be explained by the structure of the cations, which is dominated by intramolecular hydrogen bonding. The carboxylate-based divalent ionic liquids absorb reversibly large quantities of carbon dioxide following a chemical mechanism described before. An improved 1 : 1 stoichiometry is achieved both in a double-charged imidazolium acetate ionic liquid and in imidazolium carboxylate salts with double charged anions. This behaviour places these ionic liquids amongst the best performing for carbon dioxide absorption.
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Affiliation(s)
- Jocasta Avila
- Laboratoire de Chimie de l'ENS Lyon, CNRS and Université de Lyon, 46 Allée d'Italie, 69364 Lyon, France.
| | - Luiz Fernando Lepre
- Laboratoire de Chimie de l'ENS Lyon, CNRS and Université de Lyon, 46 Allée d'Italie, 69364 Lyon, France.
| | - Kateryna Goloviznina
- Laboratoire de Chimie de l'ENS Lyon, CNRS and Université de Lyon, 46 Allée d'Italie, 69364 Lyon, France.
| | - Lorenzo Guazzelli
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | | | - Cinzia Chiappe
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy
| | - Agilio Pádua
- Laboratoire de Chimie de l'ENS Lyon, CNRS and Université de Lyon, 46 Allée d'Italie, 69364 Lyon, France.
| | - Margarida Costa Gomes
- Laboratoire de Chimie de l'ENS Lyon, CNRS and Université de Lyon, 46 Allée d'Italie, 69364 Lyon, France.
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Lotfi S, Ahmadi S, Kumar P. A hybrid descriptor based QSPR model to predict the thermal decomposition temperature of imidazolium ionic liquids using Monte Carlo approach. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116465] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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14
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Ranathunga DTS, Arteaga A, Biguetti CC, Rodrigues DC, Nielsen SO. Molecular-Level Understanding of the Influence of Ions and Water on HMGB1 Adsorption Induced by Surface Hydroxylation of Titanium Implants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:10100-10114. [PMID: 34370950 DOI: 10.1021/acs.langmuir.1c01444] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Due to its excellent chemical and mechanical properties, titanium has become the material of choice for orthopedic and dental implants to promote rehabilitation via bone anchorage and osseointegration. Titanium osseointegration is partially related to its capability to form a TiO2 surface layer and its ability to interact with key endogenous proteins immediately upon implantation, establishing the first bone-biomaterial interface. Surgical trauma caused by implantation results in the release of high-mobility group box 1 (HMGB1) protein, which is a prototypic DAMP (damage-associated molecular pattern) with multiple roles in inflammation and tissue healing. To develop different surface strategies that improve the clinical outcome of titanium-based implants by controlling their biological activity, a molecular-scale understanding of HMGB1-surface interactions is desired. Here, we use molecular dynamics (MD) computer simulations to provide direct insight into the HMGB1 interactions and the possible molecular arrangements of HMGB1 on fully hydroxylated and nonhydroxylated rutile (110) TiO2 surfaces. The results establish that HMGB1 is most likely to be adsorbed directly onto the surface regardless of surface hydroxylation, which is undesirable because it could affect its biological activity by causing structural changes to the protein. The hydroxylated TiO2 surface shows a greater affinity for HMGB1 than the nonhydroxylated surface. The water layer on the nonhydroxylated TiO2 surface prevents ions and the protein from directly contacting the surface. However, it was observed that if the ionic strength increases, the total number of ions adsorbed on the two surfaces increases and the protein's direct adsorption ability decreases. These findings will help to understand the HMGB1-TiO2 interactions upon implantation as well as the development of different surface strategies by introducing ions or ionic materials to the titanium implant surface to modulate its interactions with HMGB1 to preserve biological function.
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Affiliation(s)
- Dineli T S Ranathunga
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080, United States
| | - Alexandra Arteaga
- Department of Bioengineering, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080, United States
| | - Claudia C Biguetti
- Department of Bioengineering, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080, United States
| | - Danieli C Rodrigues
- Department of Bioengineering, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080, United States
| | - Steven O Nielsen
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 West Campbell Road, Richardson, Texas 75080, United States
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15
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Das L, Rubbi F, Habib K, Aslfattahi N, Saidur R, Baran Saha B, Algarni S, Irshad K, Alqahtani T. State-of-the-art ionic liquid & ionanofluids incorporated with advanced nanomaterials for solar energy applications. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116563] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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16
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Carboxymethyl chitosan/ionic liquid imidazolium-based nanoparticles as nanocarriers for zinc phthalocyanine and its photodynamic activity. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116874] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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17
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Mezzetta A, Guglielmero L, Mero A, Tofani G, D’Andrea F, Pomelli CS, Guazzelli L. Expanding the Chemical Space of Benzimidazole Dicationic Ionic Liquids. Molecules 2021; 26:4211. [PMID: 34299487 PMCID: PMC8303995 DOI: 10.3390/molecules26144211] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/08/2021] [Accepted: 07/09/2021] [Indexed: 11/18/2022] Open
Abstract
Benzimidazole dicationic ionic liquids (BDILs) have not yet been widely explored in spite of their potential. Therefore, two structurally related families of BDILs, paired with either bromide or bistriflimide anions and bearing alkyl spacers ranging from C3 to C6, have been prepared. Their thermal properties have been studied by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC), while their electrical properties have been assessed by cyclic voltammetry (CV). TG analysis confirmed the higher stability of the bistriflimide BDILs over the bromide BDILs, with minor variation within the two families. Conversely, DSC and CV allowed for ascertaining the role played by the spacer length. In particular, the thermal behavior changed dramatically among the members of the bistriflimide family, and all three possible thermal behavior types of ILs were observed. Furthermore, cyclic voltammetry showed different electrochemical window (C3(C1BenzIm)2/2Tf2N < C4(C1BenzIm)2/2Tf2N, C5(C1BenzIm)2/2Tf2N < C6(C1BenzIm)2/2Tf2N) as well as a reduction peak potential, shape, and intensity as a function of the spacer length. The results obtained highlight the benefit of accessing a more structurally diverse pool of compounds offered by dicationic ILs when compared to the parent monocationic ILs. In particular, gains are to be found in the ease of fine-tuning their properties, which translates in facilitating further investigations toward BDILs as designer solvents and catalysts.
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Affiliation(s)
- Andrea Mezzetta
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
| | - Luca Guglielmero
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
- DESTEC, University of Pisa, Largo Lucio Lazzarino, 56122 Pisa, Italy
| | - Angelica Mero
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
| | - Giorgio Tofani
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
- Department of Physics, University of Pisa, Largo Bruno Pontecorvo 3, 56127 Pisa, Italy
| | - Felicia D’Andrea
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
| | - Christian Silvio Pomelli
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
| | - Lorenzo Guazzelli
- Department of Pharmacy, University of Pisa, Via Bonanno 33, 56126 Pisa, Italy; (L.G.); (A.M.); (G.T.); (F.D.); (C.S.P.); (L.G.)
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Vieira JC, Villetti MA, Frizzo CP. Thermal stability and decomposition mechanism of dicationic imidazolium-based ionic liquids with carboxylate anions. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115618] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Kuhn BL, Kaminski TFA, Carvalho ÂR, Fuentefria AM, Johann BMBC, da Silva EE, Silveira GP, da Silveira TL, Soares FAA, Zanatta N, Frizzo CP. Antimicrobial and Toxicity Evaluation of Imidazolium-Based Dicationic Ionic Liquids with Dicarboxylate Anions. Pharmaceutics 2021; 13:pharmaceutics13050639. [PMID: 33947119 PMCID: PMC8145335 DOI: 10.3390/pharmaceutics13050639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/15/2021] [Accepted: 04/22/2021] [Indexed: 01/08/2023] Open
Abstract
Imidazolium-based dicationic ILs (DILs) presenting antimicrobial activity and relatively low toxicity are highly desirable and are envisioned for use in live tissue to prevent bacterial or fungal infections. In this context, we present here DILs with dicarboxylate anions [Cn(MIM)2[Cn(MIM)2][CO2-(CH2)mCO2], in which n = 4, 6, 8, and 10, and m = 0, 1, 2, 3, 4, and 5. The results showed that DILs with an alkyl chain spacer of ten carbons were active against yeasts and the bacterial strains tested. However, most of the DILs were cytotoxic and toxic at 1 mM. By contrast, DILs with alkyl chains possessing less than ten carbons were active against some specific Candidas and bacteria (mainly S. aureus), and they showed moderate cytotoxicity. The best activity against Gram-positive bacteria was observed for [C4(MIM)2][Pim] toward MRSA. For the DILs described herein, their level of toxicity against C. elegans was lower than that of most of the mono- and dicationic IL analogs with other anions. Our results showed that the presence of carboxylate anions reduces the toxicity of DILs compared to DILs containing halide anions, which is particularly significant to the means of designing biologically active compounds in antimicrobial formulations.
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Affiliation(s)
- Bruna L. Kuhn
- Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil; (B.L.K.); (N.Z.)
| | - Taís F. A. Kaminski
- Laboratory of Applied Mycology, School of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre 90470-440, Brazil; (T.F.A.K.); (Â.R.C.); (A.M.F.)
| | - Ânderson R. Carvalho
- Laboratory of Applied Mycology, School of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre 90470-440, Brazil; (T.F.A.K.); (Â.R.C.); (A.M.F.)
| | - Alexandre M. Fuentefria
- Laboratory of Applied Mycology, School of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre 90470-440, Brazil; (T.F.A.K.); (Â.R.C.); (A.M.F.)
| | - Bianca M. B. C. Johann
- Postgraduate Program in Agricultural Microbiology and the Environment, Instituto de Ciências Básicas da Saúde-Campus Centro, Rua Sarmento Leite 500, Porto Alegre 90050-170, Brazil; (B.M.B.C.J.); (G.P.S.)
| | - Edilma E. da Silva
- Postgraduate Program in Chemistry, Instituto de Química-Campus Vale, Av. Bento Gonçalves 9500, Porto Alegre 91501-970, Brazil;
| | - Gustavo P. Silveira
- Postgraduate Program in Agricultural Microbiology and the Environment, Instituto de Ciências Básicas da Saúde-Campus Centro, Rua Sarmento Leite 500, Porto Alegre 90050-170, Brazil; (B.M.B.C.J.); (G.P.S.)
- Postgraduate Program in Chemistry, Instituto de Química-Campus Vale, Av. Bento Gonçalves 9500, Porto Alegre 91501-970, Brazil;
| | - Tássia L. da Silveira
- Departament of Biochemistry and Molecular Biology, Federal University of Santa Maria, Avenida Roraima 1000, Santa Maria 97105-900, Brazil; (T.L.d.S.); (F.A.A.S.)
| | - Félix A. A. Soares
- Departament of Biochemistry and Molecular Biology, Federal University of Santa Maria, Avenida Roraima 1000, Santa Maria 97105-900, Brazil; (T.L.d.S.); (F.A.A.S.)
| | - Nilo Zanatta
- Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil; (B.L.K.); (N.Z.)
| | - Clarissa P. Frizzo
- Department of Chemistry, Federal University of Santa Maria, Santa Maria 97105-900, Brazil; (B.L.K.); (N.Z.)
- Correspondence:
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Polyoxometalate Dicationic Ionic Liquids as Catalyst for Extractive Coupled Catalytic Oxidative Desulfurization. Catalysts 2021. [DOI: 10.3390/catal11030356] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Wettability is an important factor affecting the performance of catalytic oxidative desulfurization. In order to develop an efficient catalyst for the extractive coupled catalytic oxidative desulfurization (ECODS) of fuel oil by H2O2 and acetonitrile, a novel family of imidazole-based polyoxometalate dicationic ionic liquids (POM-DILs) [Cn(MIM)2]PW12O40 (n = 2, 4, 6) was synthesized by modifying phosphotungstic acid (H3PW12O40) with double imidazole ionic liquid. These kinds of catalysts have good dispersity in oil phase and H2O2, which is conducive to the deep desulfurization of fuel oil. The catalytic performance of the catalysts was studied under different conditions by removing aromatic sulfur compound dibenzothiophene (DBT) from model oil. Results showed that [C2(MIM)2]PW12O40 had excellent desulfurization efficiency, and more than 98% of DBT was removed under optimum conditions. In addition, it also exhibited good recyclability, and activity with no significant decline after seven reaction cycles. Meanwhile, dibenzothiophene sulfone (DBTO2), the only oxidation product of DBT, was confirmed by Gas Chromatography-Mass Spectrometry (GC-MS), and a possible mechanism of the ECODS process was proposed.
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21
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Thermal Stability of Ionic Liquids: Current Status and Prospects for Future Development. Processes (Basel) 2021. [DOI: 10.3390/pr9020337] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Ionic liquids (ILs) are the safest solvent in various high-temperature applications due to their non-flammable properties. In order to obtain their thermal stability properties, thermogravimetric analysis (TGA) is extensively used to analyze the kinetics of the thermal decomposition process. This review summarizes the different kinetics analysis methods and finds the isoconversional methods are superior to the Arrhenius methods in calculating the activation energy, and two tools—the compensation effect and master plots—are suggested for the calculation of the pre-exponential factor. With both parameters, the maximum operating temperature (MOT) can be calculated to predict the thermal stability in long-term runnings. The collection of thermal stability data of ILs with divergent cations and anions shows the structure of cations such as alkyl side chains, functional groups, and alkyl substituents will affect the thermal stability, but their influence is less than that of anions. To develop ILs with superior thermal stability, dicationic ILs (DILs) are recommended, and typically, [C4(MIM)2][NTf2]2 has a decomposition temperature as high as 468.1 °C. For the convenience of application, thermal stability on the decomposition temperature and thermal decomposition activation energy of 130 ILs are summarized at the end of this manuscript.
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Synthesis, conformational studies, vibrational spectra and thermal properties, of new 1,4-(phenylenebis(methylene) bis(methyl-imidazolium) ionic liquids. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Hassanshahi N, Hu G, Li J. Application of Ionic Liquids for Chemical Demulsification: A Review. Molecules 2020; 25:E4915. [PMID: 33114253 PMCID: PMC7660632 DOI: 10.3390/molecules25214915] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 10/16/2020] [Accepted: 10/19/2020] [Indexed: 01/17/2023] Open
Abstract
In recent years, ionic liquids have received increasing interests as an effective demulsifier due to their characteristics of non-flammability, thermal stability, recyclability, and low vapor pressure. In this study, emulsion formation and types, chemical demulsification system, the application of ionic liquids as a chemical demulsifier, and key factors affecting their performance were comprehensively reviewed. Future challenges and opportunities of ionic liquids application for chemical demulsification were also discussed. The review indicted that the demulsification performance was affected by the type, molecular weight, and concentration of ionic liquids. Moreover, other factors, including the salinity of aqueous phase, temperature, and oil types, could affect the demulsification process. It can be concluded that ionic liquids can be used as a suitable substitute for commercial demulsifiers, but future efforts should be required to develop non-toxic and less expensive ionic liquids with low viscosity, and the demulsification efficiency could be improved through the application of ionic liquids with other methods such as organic solvents.
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Affiliation(s)
- Nahid Hassanshahi
- Environmental Engineering Program, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada;
| | - Guangji Hu
- School of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Jianbing Li
- Environmental Engineering Program, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada;
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Kawai R, Niki M, Yada S, Yoshimura T. Physicochemical and solution properties of quaternary-ammonium-salt-type amphiphilic gemini ionic liquids with spacers containing oxygen or nitrogen. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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