The Design of Nanoscale Inorganic Materials with Controlled Size and Morphology by Ionic Liquids

Kowsari, Elaheh

doi:10.5772/14976

Cited by 2 publications

(4 citation statements)

References 74 publications

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“…IL interacts with the growing particles, which forms an ILcoating on the HA nanoparticle surface. 22 The modifications in the IL dimension, configuration and polarity, and IL anion− cation Coulomb coupling forces showed a direct effect on the final HA morphology. The nanoparticle sizes for CaP, CaP-1C 4 , and CaP-1C 10 showed a length in the range of 100 ± 20 nm.…”

Section: Resultsmentioning

confidence: 96%

“…Transmission electron microscopy (TEM) analysis (Figure ) demonstrated changes in the nanoparticle sizes for CaP–IL systems and showed the important role of the IL structure in the CaP morphology. IL interacts with the growing particles, which forms an IL-coating on the HA nanoparticle surface . The modifications in the IL dimension, configuration and polarity, and IL anion–cation Coulomb coupling forces showed a direct effect on the final HA morphology.…”

Section: Resultsmentioning

confidence: 99%

“…Morphological investigations by TEM (Figure 2) demonstrated the presence of aggregated crystal nanoparticles and nanoplates, which increased in size with increasing IL N-alkyl chain lengths. Although speculative as the CaP−IL interaction was not studied in real time during the sol−gel reaction, most likely the IL interacted with the forming particles through the hydrogen bond "co-π−π stacking" mechanism, 22 creating an IL-coating on the CaP surface. This interaction affects both the HA particle size and morphology, being influenced by the IL size, geometry, and polarity, and IL anion−cation coupling forces.…”

Section: Discussionmentioning

confidence: 99%

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Antimicrobial Imidazolium Ionic Liquids for the Development of Minimal Invasive Calcium Phosphate-Based Bionanocomposites

Raucci

Fasolino

Pastore

et al. 2018

ACS Appl. Mater. Interfaces

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Biofilm formation is one of the main obstacles that occur during in vivo implantation, which compromises the implant functionality and patients' health. This is the inspiration for the development of novel implant materials that contain broad-spectrum antimicrobial activity, including antibacterial and antifungal, and enable the local release of antimicrobial agents. Here, multifunctional calcium phosphate-ionic liquid (IL) materials, possessing antimicrobial and repair/regeneration features plus injectability, are proposed as implants in minimally invasive surgery. This approach was based on the loading of 1-alkyl-3-alkylimidazolium chloride ionic liquids (ILs) (C n MImCl (n = 4, 10, 16) and (C 10 ) 2 MImCl) during the in situ sol−gel synthesis of calcium phosphates (CaP) and study of their effects on CaP crystallization and biological properties. Physical, morphological, and biological investigations were performed to evaluate the bionanocomposites' properties. The IL N-alkyl chain length influenced the crystallization of CaP and, consequently, the biological properties, which afforded bionanocomposites (when loaded with C 16 MImCl or (C 10 ) 2 MImCl) that, (i) inhibit both in vitro bacterial and fungal growth; (ii) reduce the in vitro inflammatory response; (iii) induce osteogenic differentiation in the basal medium of human mesenchymal stem cells; and (iv) are injectable. This will enable the design of multifunctional injectable implants with antimicrobial, anti-inflammatory, and regenerative properties to be used in minimally invasive surgery of bone and maxillofacial defects.

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Section: Resultsmentioning

confidence: 96%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Antimicrobial Imidazolium Ionic Liquids for the Development of Minimal Invasive Calcium Phosphate-Based Bionanocomposites

Raucci

Fasolino

Pastore

et al. 2018

ACS Appl. Mater. Interfaces

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“…Estas alterações de comportamento dos sistemas híbridos se apresentam de modo diferente para os líquidos iônicos hidrofóbicos e hidrofílicos, sugerindo que dependendo do íon que constitui o liquido iônico, os mesmos interagem com a superfície da partícula sólida, criando arranjos espaciais diferentes daquele do liquido iônico no estado puro. 27 A indústria do vidro soprado, desde o ano de 1914, produz um subproduto de baixo custo, conhecido como contas de vidro, que nada mais são que microesferas ocas de vidro com alta resistência mecânica e térmica. As propriedades físicas das microesferas de vidro lhes conferem baixo peso específico, elevada área superficial, alta resistência mecânica à compressão, alta resistência térmica, baixa viscosidade e baixíssimo custo (microesferas de vidro são comercializadas por aproximadamente US$ 17 kg -1 e quando se considera seu peso específico de 200 kg m -3 , o custo volumétrico é de aproximadamente US$ 3 L -1 ) quando comparado com o dos líquidos iônicos.…”

Section: Introductionunclassified

Sorção De Co2 Utilizando Líquido Iônico Aditivado Com Extensores De Área Superficial

Souza¹,

Vieira²,

Polesso³

et al. 2018

Quim. Nova

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CO 2 SORPTION USING IONIC LIQUID ADDITIVATED WITH SURFACE AREA EXTENDERS. The study of environmentally friendly CO 2 sorption agents are growing due to the need of mitigate this gas from atmosphere. Ionic Liquids (ILs) present the advantage of having low vapor pressures and being chemically and thermally stable. Besides, their properties can be designed by varying the groups of the cation or anion. Yet, these compounds present a lower desorption energy when compared to amines based chemical solvents. These characteristics make ILs potentially important for the development of new processes focused on the mitigation of global warming. However, ILs have high viscosity and high cost, making them economically unfeasible. To minimize these problems, bubble glass can be used as an additive in ionic liquids to reduce cost and viscosity. Bubble glass has several applications in industry, presenting low cost and high chemical and mechanical resistance. This work evaluated the CO 2 solubility in [bmim][BF 4 ] and [mbmim][Tf 2 N] pure and mixed with boron silicate bubble glass in volumetric concentrations of 5% to 50%. Data are reported at 27 bar of pressure and temperatures of 303 and 323 K. Mixed systems with 50% concentration of bubble glass showed the best sorption results for both ionic liquids.

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The Design of Nanoscale Inorganic Materials with Controlled Size and Morphology by Ionic Liquids

Cited by 2 publications

References 74 publications

Antimicrobial Imidazolium Ionic Liquids for the Development of Minimal Invasive Calcium Phosphate-Based Bionanocomposites

Antimicrobial Imidazolium Ionic Liquids for the Development of Minimal Invasive Calcium Phosphate-Based Bionanocomposites

Sorção De Co2 Utilizando Líquido Iônico Aditivado Com Extensores De Área Superficial

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