1
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Terescenco D, Savary G, Picard C, Hucher N. Topical pickering emulsion versus classical excipients: A study of the residual film on the human skin. Int J Pharm 2024; 657:124130. [PMID: 38631484 DOI: 10.1016/j.ijpharm.2024.124130] [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: 01/02/2024] [Revised: 04/13/2024] [Accepted: 04/14/2024] [Indexed: 04/19/2024]
Abstract
The interest in Pickering emulsions is based on the possibility of replacing classical emulsifiers with solid particles. These emulsions are very attractive in the pharmaceutical field for their stability virtues and as a vehicle to deliver active ingredients. The study aimed to analyze the properties of the residual film of the Pickering emulsions on the human skin compared to conventional systems. For this project, three types of solid particles were used: titanium dioxide, zinc oxide and silicon dioxide. All of them are capable of stabilizing the oil/water interface and thus forming totally emulsified systems. To create an emulsion of reference, a classical surfactant was used as an excipient. Complementary systems containing both particles and the emulsifier were also analyzed. Then, a combined approach between physicochemical and biometrological in vivo analysis was employed. The study proved that Pickering emulsions stabilized by the metal oxides were distinct from the reference emulsion in terms of droplet sizes and organization, rheological and textural responses. Consequently, it impacted the properties of the residual film once the product was applied to the skin. The particle-stabilized emulsions formed a hydrophobic film counter to conventional excipients. Also, the Friction parameter (or the roughness of the film) was directly linked to the quantity of the particles used in the formulation and their perception on the skin surface. The use of the particles blurs the glossy effect of the oil phase. Finally, it was observed that the appearance of the residual film was impacted by the type of the particle, namely TiO2 and ZnO particles.
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Affiliation(s)
- Daria Terescenco
- Université Le Havre Normandie, Normandie Univ, URCOM UR 3221, F-76600 Le Havre, France.
| | - Geraldine Savary
- Université Le Havre Normandie, Normandie Univ, URCOM UR 3221, F-76600 Le Havre, France.
| | - Celine Picard
- Université Le Havre Normandie, Normandie Univ, URCOM UR 3221, F-76600 Le Havre, France.
| | - Nicolas Hucher
- Université Le Havre Normandie, Normandie Univ, URCOM UR 3221, F-76600 Le Havre, France.
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2
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Jiang Q, Liu M, Xu LP, Lu ZL, Zhang L, Zhang L. Interfacial Rheological and Emulsion Properties of Self-Assembled Cyclodextrin-Oil Inclusion Complexes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:11675-11683. [PMID: 37551025 DOI: 10.1021/acs.langmuir.3c01246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
To investigate the effect of the molecular size of alkanes and the cavity size of cyclodextrins (CDs) on the formation of interfacial host-guest inclusion complexes, the interfacial tension (IFT) of CD (α-CD, β-CD, γ-CD) solutions against oils (hexadecane, dodecylbenzene) was determined by interfacial dilational rheology measurements. The results show that the "space compatibility" between CDs and oil molecules is crucial for the formation of interface host-guest inclusion complexes. Hexadecane with a smaller molecular size can form host-guest inclusion complexes with small cavities of α-CD and β-CD, dodecylbenzene with a larger molecular size can form interfacial aggregates with the medium-sized cavity of β-CD easily, and the polycyclic aromatic hydrocarbon molecules in kerosene can form inclusion complexes with the large cavity of γ-CD. The formation of interfacial inclusion complexes leads to lower IFT values, higher interfacial dilational modulus, nonlinear IFT responses to the interface area oscillating, and skin-like films at the oil-water interface. What's more, the phase behavior of Pickering emulsions formed by CDs with different oils is explored, and the phenomena in alkane-CD emulsions are in line with the results in dilatation rheology. The interfacial active host-guest structure in the kerosene-γ-CD system improves the stability of the Pickering emulsion, which results in smaller emulsion droplets. This unique space compatibility characteristic is of great significance for the application of CDs in selective host-guest recognition, sensors, enhanced oil recovery, food industries, and local drug delivery.
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Affiliation(s)
- Qin Jiang
- Key Laboratory of Photonic and Optical Detection in Civil Aviation, School of Science, Civil Aviation Flight University of China, Guanghan 618307, China
| | - Miao Liu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Luo-Peng Xu
- Key Laboratory of Photonic and Optical Detection in Civil Aviation, School of Science, Civil Aviation Flight University of China, Guanghan 618307, China
| | - Zi-Ling Lu
- Key Laboratory of Photonic and Optical Detection in Civil Aviation, School of Science, Civil Aviation Flight University of China, Guanghan 618307, China
| | - Lei Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Lu Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
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3
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A “smart-sensing” bactericidal protein-based Pickering emulsion. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2023.111491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
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4
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Lv H, Wang Z, An J, Li Z, Shi L, Shan Y. Preparation and Emulsifying Properties of Carbon-Based Pickering Emulsifier. Processes (Basel) 2023. [DOI: 10.3390/pr11041070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
Water is increasingly being used as a solvent in place of organic solvent in order to meet the demand for green chemical synthesis. Nevertheless, many of the reaction substrates are organic matter, which have low water solubility, resulting in a low reaction interface and limiting the development of organic-water biphasic systems. A surfactant is typically added to the two-phase system to form an emulsion to increase the contact area between the organic phase and the water. Compared to ordinary emulsion stabilized with the surfactant, Pickering emulsion offers better adhesion resistance, biocompatibility, and environmental friendliness. It possesses unrivaled benefits as an emulsifier and catalyst in a two-phase interfacial catalysis system (PIC). In this study, the amine group (NNDB) was employed to alter the surface of graphene oxide (GO). A stable Pickering emulsion was created by adsorbing GO-NNDB on the toluene–water interface. It was determined that the emulsion system had good stability by analyzing digital photographs and microscope images of droplets at various temperatures, and fluorescence microscopy images of emulsion droplets created by both newly added and recovered emulsifiers. This work provided the groundwork for future applications of Pickering emulsion in interfacial catalysis.
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Affiliation(s)
- Huihui Lv
- School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
- College of Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zebo Wang
- School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jialong An
- School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zhanfeng Li
- College of Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China
| | - Lei Shi
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yuanyuan Shan
- School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
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5
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Hazt B, Pereira Parchen G, Fernanda Martins do Amaral L, Rondon Gallina P, Martin S, Hess Gonçalves O, Alves de Freitas R. Unconventional and conventional Pickering emulsions: Perspectives and challenges in skin applications. Int J Pharm 2023; 636:122817. [PMID: 36905974 DOI: 10.1016/j.ijpharm.2023.122817] [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: 09/30/2022] [Revised: 02/27/2023] [Accepted: 03/06/2023] [Indexed: 03/13/2023]
Abstract
Pickering emulsions are free from molecular and classical surfactants and are stabilized by solid particles, creating long-term stability against emulsion coalescence. Additionally, these emulsions are both environmentally and skin-friendly, creating new and unexplored sensorial perceptions. Although the literature mostly describes conventional emulsions (oil-in-water), there are unconventional emulsions (multiple, oil-in-oil and water-in-water) with excellent prospects and challenges in skin application as oil-free systems, permeation enhancers and topical drug delivery agents, with various possibilities in pharmaceutical and cosmetic products. However, up to now, these conventional and unconventional Pickering emulsions are not yet available as commercial products. This review brings to the discussion some important aspects such as the use of phases, particles, rheological and sensorial perception, as well as current trends in the development of these emulsions.
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Affiliation(s)
- Bianca Hazt
- Chemistry Department, Universidade Federal do Paraná (UFPR), R. Coronel F. H. dos Santos, 210, Curitiba - 81531-980, PR, Brazil.
| | - Gabriela Pereira Parchen
- Department of Pharmacy, Universidade Federal do Paraná (UFPR), Av. Pref. Lothário Meissner, 632, Curitiba - 80210-170, PR, Brazil.
| | | | - Patrícia Rondon Gallina
- Department of Pharmacy, Universidade Federal do Paraná (UFPR), Av. Pref. Lothário Meissner, 632, Curitiba - 80210-170, PR, Brazil
| | - Sandra Martin
- Mackenzie School of Medicine, R. Padre Anchieta, 2770, Curitiba - 80730-000, PR, Brazil
| | - Odinei Hess Gonçalves
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal; Post-Graduation Program of Food Technology, Federal University of Technology - Paraná, Via Rosalina Maria Dos Santos, 1233, Campo Mourão - 87301-899, PR, Brazil.
| | - Rilton Alves de Freitas
- Department of Pharmacy, Universidade Federal do Paraná (UFPR), Av. Pref. Lothário Meissner, 632, Curitiba - 80210-170, PR, Brazil.
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6
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Luo J, Zhang Y, Yan Q, Yang G, Zhang Y, Wang H. NaH-promoted one-pot synthesis of 5-amidoimidazoles from arylamines, carbon disulfide and isocyanides. Mol Divers 2023; 27:135-143. [PMID: 35267129 DOI: 10.1007/s11030-022-10413-9] [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: 01/05/2022] [Accepted: 02/15/2022] [Indexed: 02/08/2023]
Abstract
A novel, convenient and efficient protocol to access functionalized 5-amidoimidazoles is developed via one-pot synthesis from readily available materials of arylamines, carbon disulfide and isocyanides. The transformation was realized at room temperature and provided 5-amidoimidazoles in moderate to good yields in the presence of NaH. In addition, control experiments indicated that the process might be achieved via the base-induced cyclization of activated methylene isocyanides with N,N-disubstituted thioureas that produced from the reaction of amines and carbon disulfide.
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Affiliation(s)
- Jie Luo
- College of Yuanpei, College of Chemistry and Chemical Engineering, College of Life Sciences, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, People's Republic of China
| | - Yichan Zhang
- Department of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, 224051, Jiangsu, People's Republic of China
| | - Qiuxia Yan
- College of Yuanpei, College of Chemistry and Chemical Engineering, College of Life Sciences, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, People's Republic of China
| | - Guo Yang
- College of Yuanpei, College of Chemistry and Chemical Engineering, College of Life Sciences, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, People's Republic of China
| | - Yaohong Zhang
- College of Yuanpei, College of Chemistry and Chemical Engineering, College of Life Sciences, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, People's Republic of China.
| | - Hai Wang
- College of Yuanpei, College of Chemistry and Chemical Engineering, College of Life Sciences, Zhejiang Key Laboratory of Alternative Technologies for Fine Chemicals Process, Shaoxing University, Shaoxing, 312000, Zhejiang, People's Republic of China.
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7
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Wang Q, Zhang A, Zhu L, Yang X, Fang G, Tang B. Cyclodextrin-based ocular drug delivery systems: A comprehensive review. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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8
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A Current Overview of Cyclodextrin-Based Nanocarriers for Enhanced Antifungal Delivery. Pharmaceuticals (Basel) 2022; 15:ph15121447. [PMID: 36558897 PMCID: PMC9785708 DOI: 10.3390/ph15121447] [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: 11/01/2022] [Revised: 11/18/2022] [Accepted: 11/20/2022] [Indexed: 11/23/2022] Open
Abstract
Fungal infections are an extremely serious health problem, particularly in patients with compromised immune systems. Most antifungal agents have low aqueous solubility, which may hamper their bioavailability. Their complexation with cyclodextrins (CDs) could increase the solubility of antifungals, facilitating their antifungal efficacy. Nanoparticulate systems are promising carriers for antifungal delivery due to their ability to overcome the drawbacks of conventional dosage forms. CD-based nanocarriers could form beneficial combinations of CDs and nanoparticulate platforms. These systems have synergistic or additive effects regarding improved drug loading, enhanced chemical stability, and enhanced drug permeation through membranes, thereby increasing the bioavailability of drugs. Here, an application of CD in antifungal drug formulations is reviewed. CD-based nanocarriers, such as nanoparticles, liposomes, nanoemulsions, nanofibers, and in situ gels, enhancing antifungal activity in a controlled-release manner and possessing good toxicological profiles, are described. Additionally, the examples of current, updated CD-based nanocarriers loaded with antifungal drugs for delivery by various routes of administration are discussed and summarized.
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9
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Wang C, Li X, Sang S, Julian McClements D, Chen L, Long J, Jiao A, Wang J, Jin Z, Qiu C. Preparation, characterization and in vitro digestive behaviors of emulsions synergistically stabilized by γ-cyclodextrin/sodium caseinate/alginate. Food Res Int 2022; 160:111634. [DOI: 10.1016/j.foodres.2022.111634] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/29/2022] [Accepted: 07/05/2022] [Indexed: 01/11/2023]
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10
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Effect of type of fatty acid attached to chitosan on walnut oil-in-water Pickering emulsion properties. Carbohydr Polym 2022; 291:119566. [DOI: 10.1016/j.carbpol.2022.119566] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 01/02/2023]
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11
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Li X, Fan L, Li J. Extrusion-based 3D printing of high internal phase emulsions stabilized by co-assembled β-cyclodextrin and chitosan. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.108036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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From Polyethyleneimine Hydrogels to Pickering-like Smart “On/Off” Emulgels Switched by pH and Temperature. J Colloid Interface Sci 2022; 628:807-819. [DOI: 10.1016/j.jcis.2022.07.177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 11/13/2022]
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13
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Influence of β-cyclodextrin concentration on the physicochemical properties and skin permeation behavior of vitamin C-loaded Pickering water-in-oil-in-water (W1/O/W2) double emulsions. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Nanotechnology in aquaculture: Applications, perspectives and regulatory challenges. AQUACULTURE AND FISHERIES 2022. [DOI: 10.1016/j.aaf.2021.12.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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15
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Costa ALR, Gomes A, Cangussu LB, Cunha RL, de Oliveira LS, Franca AS. Stabilization mechanisms of O/W emulsions by cellulose nanocrystals and sunflower protein. Food Res Int 2022; 152:110930. [DOI: 10.1016/j.foodres.2021.110930] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 12/22/2021] [Accepted: 12/25/2021] [Indexed: 11/04/2022]
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16
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Maw PD, Pienpinijtham P, Pruksakorn P, Jansook P. Cyclodextrin-based Pickering nanoemulsions containing amphotericin B: Part II. Formulation, antifungal activity, and chemical stability. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103174] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Peito S, Peixoto D, Ferreira-Faria I, Margarida Martins A, Margarida Ribeiro H, Veiga F, Marto J, Cláudia Santos A. Nano- and microparticle-stabilized Pickering emulsions designed for topical therapeutics and cosmetic applications. Int J Pharm 2022; 615:121455. [PMID: 35031412 DOI: 10.1016/j.ijpharm.2022.121455] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 12/16/2022]
Abstract
Pickering emulsions are systems composed of two immiscible fluids, which are stabilized by solid organic or inorganic particles. These solid particles include a broad range of particles that can be used to stabilize Pickering emulsions. An improved resistance against coalescence and lower toxicity, against conventional emulsions stabilized by surfactants, make Pickering emulsions suitable candidates for numerous applications, such as catalysis, food, oil recovery, cosmetics, and pharmaceutical industries. In this article, we give an overview of Pickering emulsions focusing on topical applications. First, we reference the parameters that influence the stabilization of Pickering emulsions. Second, we discuss some of the already investigated topical applications of nano- and microparticles used to stabilize Pickering emulsions. Afterwards, we consider some of the most promising stabilizers of Pickering emulsions for topical applications. Ultimately, we carried out a brief analysis of toxicity and advances in future perspectives, highlighting the promising use of these emulsions in cosmetics and dermopharmaceutical formulations.
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Affiliation(s)
- Sofia Peito
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Diana Peixoto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Inês Ferreira-Faria
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Ana Margarida Martins
- Research Institute for Medicine (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Helena Margarida Ribeiro
- Research Institute for Medicine (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Francisco Veiga
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
| | - Joana Marto
- Research Institute for Medicine (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Ana Cláudia Santos
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal; REQUIMTE/LAQV, Group of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal.
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18
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Piot S, Mentink L, Pensé-Lhéritier AM. Characterization of oil-in-water pickering emulsions stabilized by β-cyclodextrin systems. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.2013863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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19
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Temperature-responsive Pickering emulsions stabilized by poly(ethylene glycol)-functionalized silica particles. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127641] [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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20
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Douyère G, Leclercq L, Nardello-Rataj V. Cross-linked poly(4‐vinylpyridine) particles for pH- and ionic strength-responsive “on–off” Pickering emulsions. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127705] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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21
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Yuan C, Cheng C, Cui B. Pickering Emulsions Stabilized by Cyclodextrin Nanoparticles: A Review. STARCH-STARKE 2021. [DOI: 10.1002/star.202100077] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Chao Yuan
- State Key Laboratory of Biobased Material and Green Papermaking Shandong Academy of Sciences Qilu University of Technology Jinan 250353 China
- School of Food Science and Engineering Shandong Academy of Sciences Qilu University of Technology Jinan 250353 China
| | - Caiyun Cheng
- State Key Laboratory of Biobased Material and Green Papermaking Shandong Academy of Sciences Qilu University of Technology Jinan 250353 China
- School of Food Science and Engineering Shandong Academy of Sciences Qilu University of Technology Jinan 250353 China
| | - Bo Cui
- State Key Laboratory of Biobased Material and Green Papermaking Shandong Academy of Sciences Qilu University of Technology Jinan 250353 China
- School of Food Science and Engineering Shandong Academy of Sciences Qilu University of Technology Jinan 250353 China
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22
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Rincón-López J, Almanza-Arjona YC, Riascos AP, Rojas-Aguirre Y. When Cyclodextrins Met Data Science: Unveiling Their Pharmaceutical Applications through Network Science and Text-Mining. Pharmaceutics 2021; 13:1297. [PMID: 34452258 PMCID: PMC8399453 DOI: 10.3390/pharmaceutics13081297] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/14/2021] [Accepted: 08/16/2021] [Indexed: 12/21/2022] Open
Abstract
We present a data-driven approach to unveil the pharmaceutical technologies of cyclodextrins (CDs) by analyzing a dataset of CD pharmaceutical patents. First, we implemented network science techniques to represent CD patents as a single structure and provide a framework for unsupervised detection of keywords in the patent dataset. Guided by those keywords, we further mined the dataset to examine the patenting trends according to CD-based dosage forms. CD patents formed complex networks, evidencing the supremacy of CDs for solubility enhancement and how this has triggered cutting-edge applications based on or beyond the solubility improvement. The networks exposed the significance of CDs to formulate aqueous solutions, tablets, and powders. Additionally, they highlighted the role of CDs in formulations of anti-inflammatory drugs, cancer therapies, and antiviral strategies. Text-mining showed that the trends in CDs for aqueous solutions, tablets, and powders are going upward. Gels seem to be promising, while patches and fibers are emerging. Cyclodextrins' potential in suspensions and emulsions is yet to be recognized and can become an opportunity area. This is the first unsupervised/supervised data-mining approach aimed at depicting a landscape of CDs to identify trending and emerging technologies and uncover opportunity areas in CD pharmaceutical research.
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Affiliation(s)
- Juliana Rincón-López
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City 04510, Mexico;
| | - Yara C. Almanza-Arjona
- Instituto de Ciencias Aplicadas y Tecnología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City 04510, Mexico;
| | - Alejandro P. Riascos
- Instituto de Física, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City 04510, Mexico
| | - Yareli Rojas-Aguirre
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Ciudad Universitaria, Mexico City 04510, Mexico;
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23
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Cyclodextrin-based Pickering emulsions: functional properties and drug delivery applications. J INCL PHENOM MACRO 2021; 101:31-50. [PMID: 34366706 PMCID: PMC8330820 DOI: 10.1007/s10847-021-01097-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/28/2021] [Indexed: 12/19/2022]
Abstract
Cyclodextrins (CDs) are biocompatible, cyclic oligosaccharides that are widely used in various industrial applications and have intriguing interfacial science properties. While CD molecules typically have low surface activity, they are capable of stabilizing emulsions by inclusion complexation of oil-phase components at the oil/water interface, which results in Pickering emulsion formation. Such surfactant-free formulations have gained considerable attention in recent years, owing to their enhanced physical stability, improved tolerability, and superior environmental compatibility compared to conventional, surfactant-based emulsions. In this review, we critically describe the latest insights into the molecular mechanisms involved in CD stabilization of Pickering emulsions, including covering practical aspects such as methods to prepare CD-based Pickering emulsions, lipid encapsulation, and relevant stability issues. In addition, the rheological and textural features of CD-based Pickering emulsions are discussed and particular attention is focused on promising examples for drug delivery, cosmetic, and nutraceutical applications. The functionality of currently developed CD-based Pickering emulsions is also summarised, including examples such as antifungal uses, and we close by discussing emerging possibilities to utilize the molecular encapsulation of CD-based emulsions for translational medicine applications in the antiviral and antibacterial spaces.
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Sultan M, Elsayed H, Abdelhakim AEF, Taha G. Active packaging gelatin films based on chitosan/Arabic gum/coconut oil Pickering nano emulsions. J Appl Polym Sci 2021. [DOI: 10.1002/app.51442] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Maha Sultan
- Packaging Materials Department National Research Centre Cairo Egypt
| | - Hamed Elsayed
- Chemistry of Tanning Materials and Leather Technology Department National Research Centre Cairo Egypt
| | | | - Ghada Taha
- Pre‐treatment and Finishing of Cellulosic Fibers Department National Research Centre Cairo Egypt
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Leclercq L, Tessier J, Nardello-Rataj V, Schmitzer AR. Highly Active, Entirely Biobased Antimicrobial Pickering Emulsions. ChemMedChem 2021; 16:2223-2230. [PMID: 33735940 DOI: 10.1002/cmdc.202100030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 03/17/2021] [Indexed: 12/13/2022]
Abstract
We present the development of surfactant-free, silica-free and fully biobased oil-in-water antimicrobial Pickering emulsions, based on the self-assembly of β-cyclodextrin and phytoantimicrobial oils (terpinen-4-ol or carvacrol). Undecylenic acid (UA), derived from castor oil, can be used as bio-based drug to treat fungal infection, but is less effective than petroleum-based drugs as azole derivatives. To maximize its antifungal potential, we have incorporated UA in fully biobased Pickering emulsions. These emulsions are effective against fungi, Gram-positive and Gram-negative bacteria. The carvacrol emulsion charged with UA is +390 % and +165 % more potent against methicillin-resistant S. aureus (MRSA), compared to UA and azole-based commercial formulations. Moreover, this emulsion is up to +480 % more efficient that UA ointment against C. albicans. Finally, remarkable eradication of E. coli and MRSA biofilms was obtained with this environmental-friendly emulsion.
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Affiliation(s)
- Loïc Leclercq
- Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181-UCCS, Unité de Catalyse et Chimie du Solide, 59000, Lille, France.,Département de Chimie, Université de Montréal, CP 6128 Succursale Centre-Ville, H3C3J7, Montréal, Québec, Canada
| | - Jérémie Tessier
- Département de Chimie, Université de Montréal, CP 6128 Succursale Centre-Ville, H3C3J7, Montréal, Québec, Canada
| | - Véronique Nardello-Rataj
- Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181-UCCS, Unité de Catalyse et Chimie du Solide, 59000, Lille, France
| | - Andreea-Ruxandra Schmitzer
- Département de Chimie, Université de Montréal, CP 6128 Succursale Centre-Ville, H3C3J7, Montréal, Québec, Canada
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Zhang J, Wang Y, Wang J, Yi T. A Novel Solid Nanocrystals Self-Stabilized Pickering Emulsion Prepared by Spray-Drying with Hydroxypropyl-β-cyclodextrin as Carriers. Molecules 2021; 26:molecules26061809. [PMID: 33806952 PMCID: PMC8004820 DOI: 10.3390/molecules26061809] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/15/2021] [Accepted: 03/18/2021] [Indexed: 11/16/2022] Open
Abstract
A drug nanocrystals self-stabilized Pickering emulsion (NSSPE) with a unique composition and microstructure has been proven to significantly increase the bioavailability of poorly soluble drugs. This study aimed to develop a new solid NSSPE of puerarin preserving the original microstructure of NSSPE by spray-drying. A series of water-soluble solid carriers were compared and then Box-Behnken design was used to optimize the parameters of spray-drying. The drug release and stability of the optimized solid NSSPE in vitro were also investigated. The results showed that hydroxypropyl-β-cyclodextrin (HP-β-CD), rather than solid carriers commonly used in solidification of traditional Pickering emulsions, was suitable for the solid NSSPE to retain the original appearance and size of emulsion droplets after reconstitution. The amount of HP-β-CD had more influences on the solid NSSPE than the feed rate and the inlet air temperature. Fluorescence microscopy, confocal laser scanning microscopy and scanning electron microscopy showed that the reconstituted emulsion of the solid NSSPE prepared with HP-β-CD had the same core-shell structure with a core of oil and a shell of puerarin nanocrystals as the liquid NSSPE. The particle size of puerarin nanocrystal sand interfacial adsorption rate also did not change significantly. The cumulative amount of released puerarin from the solid NSSPE had no significant difference compared with the liquid NSSPE, which were both significantly higher than that of puerarin crude material. The solid NSSPE was stable for 3 months under the accelerated condition of 75% relative humidity and 40 °C. Thus, it is possible todevelop the solid NSSPE preserving the unique microstructure and the superior properties in vitro of the liquid NSSPE for poorly soluble drugs.
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Affiliation(s)
- Jifen Zhang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China;
- Correspondence: (J.Z.); (T.Y.); Tel.: +816-23-68251225 (J.Z.); +853-85-99-3471 (T.Y.)
| | - Yanhua Wang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China;
| | - Jirui Wang
- Chongqing Academy of Chinese Materia Medica, Chongqing 400065, China;
| | - Tao Yi
- Macao Polytechnic Institute, School of Health Sciences and Sports, Macao 00853, China
- Correspondence: (J.Z.); (T.Y.); Tel.: +816-23-68251225 (J.Z.); +853-85-99-3471 (T.Y.)
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27
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Yang H, Lu SN, Chen Z, Wu XF. Silver-Mediated [3 + 2] Cycloaddition of Azomethine Ylides with Trifluoroacetimidoyl Chlorides for the Synthesis of 5-(Trifluoromethyl)imidazoles. J Org Chem 2021; 86:4361-4370. [PMID: 33615797 DOI: 10.1021/acs.joc.1c00131] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A silver-mediated [3 + 2] cycloaddition of azomethine ylides with trifluoroacetimidoyl chlorides for the rapid assembly of 5-(trifluoromethyl)imidazoles has been developed. Notable features of the reaction include readily accessible reagents, a broad substrate scope, and high efficiency. The protocol can be successfully applied to construct the analogue of the specific allosteric modulator of GABAA receptors. The silver species could be recycled by a simple operation.
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Affiliation(s)
- Hefei Yang
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Shu-Ning Lu
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Zhengkai Chen
- Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People's Republic of China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, Liaoning People's Republic of China.,Leibniz-Institut für Katalyse e. V. an der Universität Rostock, Albert-Einstein-Straβe 29a, 18059 Rostock, Germany
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28
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Chen Q, Yang Z, Tai X, Bai Y, Wang G. Study on influencing factors of Pickering emulsion stabilized by modified montmorillonite and fatty alcohol polyoxyethylene ether. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.1884088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Qian Chen
- China Research Institute of Daily Chemistry Co., Ltd, Taiyuan, P. R. China
| | - Zeyu Yang
- China Research Institute of Daily Chemistry Co., Ltd, Taiyuan, P. R. China
| | - Xiumei Tai
- China Research Institute of Daily Chemistry Co., Ltd, Taiyuan, P. R. China
| | - Yanyun Bai
- China Research Institute of Daily Chemistry Co., Ltd, Taiyuan, P. R. China
| | - Guoyong Wang
- China Research Institute of Daily Chemistry Co., Ltd, Taiyuan, P. R. China
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Main Applications of Cyclodextrins in the Food Industry as the Compounds of Choice to Form Host-Guest Complexes. Int J Mol Sci 2021; 22:ijms22031339. [PMID: 33572788 PMCID: PMC7866268 DOI: 10.3390/ijms22031339] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/18/2021] [Accepted: 01/23/2021] [Indexed: 11/16/2022] Open
Abstract
Cyclodextrins (CDs) are cyclic oligomers broadly used in food manufacturing as food additives for different purposes, e.g., to improve sensorial qualities, shelf life, and sequestration of components. In this review, the latest advancements of their applications along with the characteristics of the uses of the different CDs (α, β, γ and their derivatives) were reviewed. Their beneficial effects can be achieved by mixing small amounts of CDs with the target material to be stabilized. Essentially, they have the capacity to form stable inclusion complexes with sensitive lipophilic nutrients and constituents of flavor and taste. Their toxicity has been also studied, showing that CDs are innocuous in oral administration. A review of the current legislation was also carried out, showing a general trend towards a wider acceptance of CDs as food additives. Suitable and cost-effective procedures for the manufacture of CDs have progressed, and nowadays it is possible to obtain realistic prices and used them in foods. Therefore, CDs have a promising future due to consumer demand for healthy and functional products.
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31
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Gong H, Shen X, Ye L. Synthesis of Bacteria Imprinted Polymers by Pickering Emulsion Polymerization. Methods Mol Biol 2021; 2359:43-51. [PMID: 34410658 DOI: 10.1007/978-1-0716-1629-1_4] [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] [Indexed: 06/13/2023]
Abstract
Molecularly imprinted polymers have been studied for a long time and have found useful applications in many fields. In most cases, small organic molecules are used as templates to synthesize imprinted polymers. In contrast to low molecular weight targets, large biological molecules and cells are more challenging to use as templates to synthesize cell-recognizing materials. This chapter presents an interfacial imprinting method to synthesize bacteria-recognizing polymer beads using Pickering emulsion polymerization. The tendency of bacteria to reside between two immiscible liquids is utilized to create surface-imprinted binding sites on cross-linked polymer microspheres.
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Affiliation(s)
- Haiyue Gong
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Lund, Sweden
| | - Xiantao Shen
- Institute of Environmental Medicine, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lei Ye
- Division of Pure and Applied Biochemistry, Department of Chemistry, Lund University, Lund, Sweden.
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32
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Tomato Oil Encapsulation by α-, β-, and γ-Cyclodextrins: A Comparative Study on the Formation of Supramolecular Structures, Antioxidant Activity, and Carotenoid Stability. Foods 2020; 9:foods9111553. [PMID: 33121076 PMCID: PMC7693019 DOI: 10.3390/foods9111553] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 02/06/2023] Open
Abstract
Cyclodextrins (CDs) are oligosaccharides, comprising 6 (α), 7 (β), or 8 (γ) glucose residues, used to prepare oil-in-water emulsions and improve oil stability towards degradation. In this research, the aptitude of α-, β-, and γ-CDs to form complexes with a supercritical CO2 extracted lycopene-rich tomato oil (TO) was comparatively assessed. TO/CD emulsions and the resulting freeze-dried powders were characterized by microscopy, Fourier transform infrared-attenuated total reflection (FTIR-ATR), and differential scanning calorimetry (DSC), as well as for their antioxidant activity. Furthermore, carotenoid stability was monitored for 90 days at 25 and 4 °C. Confocal and SEM microscopy revealed morphological differences among samples. α- and β-CDs spontaneously associated into microcrystals assembling in thin spherical shells (cyclodextrinosomes, Ø ≈ 27 µm) at the oil/water interface. Much smaller (Ø ≈ 9 µm) aggregates were occasionally observed with γ-CDs, but most TO droplets appeared "naked". FTIR and DSC spectra indicated that most CDs did not participate in TO complex formation, nevertheless structurally different interfacial complexes were formed. The trolox equivalent antioxidant capacity (TEAC) activity of emulsions and powders highlighted better performances of α- and β-CDs as hydrophobic antioxidants-dispersing agents across aqueous media. Regardless of CDs type, low temperature slowed down carotenoid degradation in all samples, except all-[E]-lycopene, which does not appear efficiently protected by any CD type in the long storage period.
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33
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In vitro study of versatile drug formulations based on α-cyclodextrin and polyethylene glycol using colloidal tectonics. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101913] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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34
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Abstract
Pickering emulsions are systems composed of two immiscible fluids stabilized by solid organic or inorganic particles. Pickering emulsions are particularly useful in cosmetics, where the surfactants are unwanted, as well as in the pharmaceutical field, where transdermal and/or dermal drug delivery is difficult to achieve and controlled drug release is desired. Here, we studied calcium carbonate particles as stabilizers of Pickering emulsions for topical use. An optimized formulation was obtained using a Quality by Design approach. First, a screening experiment was performed to identify the formulation and process critical variables that affect the quality properties of the Pickering emulsion. The optimization of the production was then studied by establishing the design space. The final formulation was hereinafter investigated regarding the pH, rheological properties, and in vitro cytotoxicity assays. The results showed the formulation had a pH compatible with human skin and a shear thinning behavior. Moreover, this formulation showed a strong network structure, with a suitable spreadability on the skin, allowing an easy application. The in vitro assays were performed to assess the potential cytotoxicity of the calcium carbonate-stabilized emulsion and the particles themselves, and the results revealed that the formulation did not significantly affect the cell viability. In conclusion, the use of calcium carbonate particles as a stabilizer ingredient contributed to achieve an eco-friendly Pickering emulsion.
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Kaganyuk M, Mohraz A. Shear-induced deformation and interfacial jamming of solid-stabilized droplets. SOFT MATTER 2020; 16:4431-4443. [PMID: 32322857 DOI: 10.1039/d0sm00374c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We use rheo-microscopy to directly investigate the dynamics of solid-stabilized droplets subjected to shear flow of a surrounding bulk fluid. In our system, the stabilizing particles are weakly attractive through the continuous fluid phase and along the droplet interface. Under shear, droplets stabilized by these particles at near-complete surface coverage exhibit a number of previously unforeseen phenomena, including negative-then-positive deviations from the predictions of Taylor and the behavior of bare droplets, evolution toward spherocylindrical shapes, and an earlier onset of rupture than their bare counterparts, which we explain in light of the weak attractive interparticle interactions along the droplet interface. We also demonstrate the formation of long-lived anisotropic particle-coated droplets by flow cessation, and provide evidence that this is due to the formation of a jammed, disordered particle network along the interface at surface coverage lower than the starting conditions. Importantly, these newly observed phenomena are shown to be sensitive to the droplets' initial surface coverage. Our findings provide new technologically-relevant insights into the physics of particle-coated droplets under fluidic or other external stresses, and introduce avenues for future research to better understand the roles of interparticle interactions and surface coverage in mediating the interfacial rheology of particle-laden interfaces and solid-stabilized emulsions.
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Affiliation(s)
- M Kaganyuk
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, California 92697-2580, USA.
| | - A Mohraz
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, California 92697-2580, USA.
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36
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Lv L, Wang H, Chen J, Cao Y, Wang H, Ren B, Zhang S. Fabrication of Ionic Liquid-Based Pickering Emulsion and Its Enhancement for Tri-isobutene Formation in Isobutene Oligomerization. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00295] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lunchao Lv
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Hongyan Wang
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Jian Chen
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yingying Cao
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Hui Wang
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Baozeng Ren
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Suojiang Zhang
- Beijing Key Laboratory of Ionic Liquids Clean Process, CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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Hu S, Yang H, Chen Z, Wu XF. Base-mediated [3+2] annulation of trifluoroacetimidoyl chlorides and isocyanides: An improved approach for regioselective synthesis of 5-trifluoromethyl-imidazoles. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131168] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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38
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Leclercq L, Tessier J, Douyère G, Nardello-Rataj V, Schmitzer AR. Phytochemical- and Cyclodextrin-Based Pickering Emulsions: Natural Potentiators of Antibacterial, Antifungal, and Antibiofilm Activity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:4317-4323. [PMID: 32271592 DOI: 10.1021/acs.langmuir.0c00314] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We present self-assembled Pickering emulsions containing biocidal phytochemical oils (carvacrol and terpinen-4-ol) and β-cyclodextrin able to potentiate the antimicrobial and antibiofilm activity of miconazoctylium bromide. The carvacrol-containing emulsion is 2-fold more sensitive against C. albicans and S. aureus and highly active against E. coli, compared to the commercial cream containing miconazole nitrate. Moreover, this emulsion shows a synergistic effect against fungi, additive responses against bacteria, and remarkable staphylococcal biofilm eradication. These results are associated with membrane permeabilization, enzymes inhibition, and the accumulation of reactive oxygen species in microorganisms.
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Affiliation(s)
- Loïc Leclercq
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, UCCS - Unité de Catalyse et Chimie du Solide, 59000 Lille, France
| | - Jérémie Tessier
- Université de Montréal, Département de Chimie, CP 6128 Succursale Centre-Ville, H3C3J7 Montréal, Québec, Canada
| | - Grégory Douyère
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, UCCS - Unité de Catalyse et Chimie du Solide, 59000 Lille, France
| | - Véronique Nardello-Rataj
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181, UCCS - Unité de Catalyse et Chimie du Solide, 59000 Lille, France
| | - Andreea R Schmitzer
- Université de Montréal, Département de Chimie, CP 6128 Succursale Centre-Ville, H3C3J7 Montréal, Québec, Canada
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Dechézelles JF, Ciotonea C, Catrinescu C, Ungureanu A, Royer S, Nardello-Rataj V. Emulsions Stabilized with Alumina-Functionalized Mesoporous Silica Particles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3212-3220. [PMID: 32164410 DOI: 10.1021/acs.langmuir.9b03900] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Alumina-functionalized ordered mesoporous silica SBA-15 particles have been proposed to stabilize Pickering emulsions. Functionalization of SBA-15 particles have been performed by depositing alumina using a two-step synthesis (first, silica condensation, followed by alumina precipitation). Three different Al to Si ratios have been prepared. The calcined materials have been characterized by TEM, SEM, XRD, N2 physisorption, and zeta potential, in order to determine key physicochemical properties, and the alumina localization. The emulsifying and stabilizing properties of the calcined particles have been evaluated for water/toluene-based Pickering emulsions.
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Affiliation(s)
- Jean-François Dechézelles
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 - UCCS, Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Carmen Ciotonea
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 - UCCS, Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Cezar Catrinescu
- Faculty of Chemical Engineering and Environmental Protection "Gheorghe Asachi" Technical University of Iasi, 73 D. Mangeron, Blvd, 700050 Iasi, Romania
| | - Adrian Ungureanu
- Faculty of Chemical Engineering and Environmental Protection "Gheorghe Asachi" Technical University of Iasi, 73 D. Mangeron, Blvd, 700050 Iasi, Romania
| | - Sébastien Royer
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 - UCCS, Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Véronique Nardello-Rataj
- Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181 - UCCS, Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
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40
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Peng W, Hao P, Luo J, Peng B, Han X, Liu H. Guanidine-Functionalized Amphiphilic Silica Nanoparticles as a Pickering Interfacial Catalyst for Biodiesel Production. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.9b06097] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Wenli Peng
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Ping Hao
- Shanghai Institute of Measurement and Testing Technology, Shanghai 201203, P. R. China
| | - Jianhui Luo
- Research Institute of Petroleum Exploration & Development (RIPED), PetroChina, Key Laboratory of Nano Chemistry (KLNC), CNPC, Beijing 100083, P. R. China
| | - Baoliang Peng
- Research Institute of Petroleum Exploration & Development (RIPED), PetroChina, Key Laboratory of Nano Chemistry (KLNC), CNPC, Beijing 100083, P. R. China
| | - Xia Han
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Honglai Liu
- Shanghai Engineering Research Center of Hierarchical Nanomaterials and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
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41
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Armstrong OL, Baxter SN, Deepak FL, Thomas PJ. A one-pot route to stable Pickering emulsions featuring nanocrystalline Ag and Au. Chem Commun (Camb) 2020; 56:4801-4803. [DOI: 10.1039/d0cc00967a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple one-pot scheme yielding stable Pickering emulsions with Au or Ag nanoparticle surfactants is described. The dimensions and temporal stability of emulsion droplets as well the nanoparticle surfactants are studied.
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Affiliation(s)
| | - Sean N. Baxter
- School of Natural Sciences
- Bangor University
- Bangor
- Gwynedd
- UK
| | - F. L. Deepak
- Nanostructured Materials Group
- International Iberian Nanotechnology Laboratory
- 4715-330 Braga
- Portugal
| | - P. John Thomas
- School of Natural Sciences
- Bangor University
- Bangor
- Gwynedd
- UK
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Lewińska A, Jaromin A, Jezierska J. Role of architecture of N-oxide surfactants in the design of nanoemulsions for Candida skin infection. Colloids Surf B Biointerfaces 2019; 187:110639. [PMID: 31776055 DOI: 10.1016/j.colsurfb.2019.110639] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 10/23/2019] [Accepted: 11/09/2019] [Indexed: 11/29/2022]
Abstract
In this work we present comprehensive research on the formation, stability and structural properties of oil-in-water (o/w) nanoemulsions with the ability for topical administration, penetration of the skin and acting as antifungal agents against C. albicans. The studied nanoemulsions were composed of different ratios of double-head - single-tail surfactants {1-bis{[3-(N,N-dimethylamino)ethyl]amido}alkane-di-N-oxides (Cn-MEDA), N,N-bis[3,3'-(dimethyl-amino)propyl]alkyl-amide di-N-oxides (Cn(DAPANO)2} and single-head - single-tail surfactants {2-(alkanoylamino)-ethyldimethyl-amine-N-oxides (Cn-EDA), and 3-(alkanoylamino) propyldimethylamine-N-oxides, (Cn-PDA)} added to the oil {isooctane IO, isopropyl myristate IPM or glyceryl monocaprylate GM as (O)} and to the water phase (W). The phase behavior of the systems was examined by a titration method. Morphology of the resulting colloids was characterized by scanning and transmission electron microscopy, the particle size and size distributions determined by dynamic light scattering, and kinetic stability by multiple light scattering. While both surfactant types resulted in quite stable nanoemulsions, the systems formed using a single-headed one-tail surfactant were slightly more stable with GM or IPM. The microenvironmental properties of the nanoemulsions were studied by an electron paramagnetic resonance technique to distinguish the molecular dynamics of the different spin probes localized in the particular regions of the surfactant layers, depending on the surfactant structure and the system preparation. Skin permeation studies were performed to monitor transport through the skin, and changes in skin structure were followed using differential scanning calorimetry. Moreover, the activities of curcumin-loaded nanoemulsions stabilized by N-oxide surfactants against Candida albicans fungus were evaluated. To estimate in vitro efficacy, the suitability of an N-oxide nanoemulsion dressing against wound infection with biofilm C. albicans was assessed according to the Antibiofilm Dressing's Activity Measurement. We expect that the nanoemulsion formulations tested in this study will have potential for application as topical delivery systems for pharmaceutically active compounds in skin-related conditions.
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Affiliation(s)
- Agnieszka Lewińska
- Faculty of Chemistry, University of Wroclaw, Joliot-Curie 14, 50-383 Wroclaw, Poland.
| | - Anna Jaromin
- Department of Lipids and Liposomes, Faculty of Biotechnology, University of Wroclaw, Joliot-Curie 14A, 50-383 Wroclaw, Poland.
| | - Julia Jezierska
- Faculty of Chemistry, University of Wroclaw, Joliot-Curie 14, 50-383 Wroclaw, Poland
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Xi Y, Zou Y, Luo Z, Qi L, Lu X. pH-Responsive Emulsions with β-Cyclodextrin/Vitamin E Assembled Shells for Controlled Delivery of Polyunsaturated Fatty Acids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:11931-11941. [PMID: 31589419 DOI: 10.1021/acs.jafc.9b04168] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Lipid-based delivery systems (LBDSs) are widely applied in pharmaceuticals and health care because of the increased bioavailability of lipophilic components when they are coadministered with high-fat meals. However, how to accurately control their in vivo release and stability is still challenging. Here, after introducing the simple esterification and coprecipitation, we created the dual-functional composite ODS-β-CD-VE by the coassembly of β-cyclodextrin (β-CD), octadecenyl succinic anhydride (ODSA), and vitamin E (VE). The resulting dual-functional particle presented a uniform sheetlike shape and nanometer size. In addition, its chemical structure was clarified in detail via nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FTIR), and X-ray diffraction (XRD). Benefiting from the antioxygenation of VE, lipid oxidation in the ODS-β-CD-VE-stabilized Pickering emulsion was effectively inhibited. Meanwhile, pH-induced protonation/deprotonation of carboxyl groups guaranteed that the emulsions kept steady at pH ≤4 but were unsteady under neutral conditions. In this way, the lipids contained in the emulsion were protected from gastric juice and then digested and accurately released as n-3 polyunsaturated fatty acids (PUFA) in the simulated intestine environment. This strategy sheds some light on the rational and efficient construction of LBDSs for nutrient supplements and even pharmaceuticals in a living digestive tract.
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Affiliation(s)
- Yongkang Xi
- School of Food Science and Technology , South China University of Technology , Guangzhou 510640 , People's Republic of China
| | - Yuxiao Zou
- Sericultural & Agri-Food Research Institute GAAS , Guangdong Academy of Agricultural Sciences , Guangzhou 510610 , People's Republic of China
| | - Zhigang Luo
- School of Food Science and Technology , South China University of Technology , Guangzhou 510640 , People's Republic of China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center) , Guangzhou 510640 , People's Republic of China
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety , South China University of Technology , Guangzhou 510640 , People's Republic of China
| | - Liang Qi
- School of Food Science and Technology , South China University of Technology , Guangzhou 510640 , People's Republic of China
| | - Xuanxuan Lu
- Department of Food Science , Rutgers, The State University of New Jersey , New Brunswick , New Jersey 08901 , United States
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Abstract
Suspensions and emulsions are prone to kinetic instabilities of sedimentation and creaming, wherein the suspended particles and droplets fall or rise through a matrix fluid. It is important to understand and quantify sedimentation and creaming in such dispersed systems as they affect the shelf-life of products manufactured in the form of suspensions and emulsions. In this article, the unhindered and hindered settling/creaming behaviors of conventional emulsions and suspensions are first reviewed briefly. The available experimental data on settling/creaming of concentrated emulsions and suspensions are interpreted in terms of the drift flux theory. Modeling and simulation of nanoparticle-stabilized Pickering emulsions are carried out next. The presence of nanoparticles at the oil/water interface has a strong influence on the creaming/sedimentation behaviors of single droplets and swarm of droplets. Simulation results clearly demonstrate the strong influence of three-phase contact angle of nanoparticles present at the oil/water interface. This is the first definitive study dealing with modeling and simulation of unhindered and hindered creaming and sedimentation behaviors of nanoparticle-stabilized Pickering emulsions.
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Xu P, Zhu Y, Li X, Wang F, Wang S, Ji S. Copper‐Catalyzed Reaction of Aryl Isocyanides with Active Methylene Isocyanides and Arylsulfonothioates: Synthesis of Sulfur‐Containing Trisubstituted Imidazoles. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900904] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Pei Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 People's Republic of China
| | - Yi‐Ming Zhu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 People's Republic of China
| | - Xing‐Jia Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 People's Republic of China
| | - Fei Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 People's Republic of China
| | - Shun‐Yi Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 People's Republic of China
| | - Shun‐Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow University Suzhou 215123 People's Republic of China
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Albert C, Beladjine M, Tsapis N, Fattal E, Agnely F, Huang N. Pickering emulsions: Preparation processes, key parameters governing their properties and potential for pharmaceutical applications. J Control Release 2019; 309:302-332. [DOI: 10.1016/j.jconrel.2019.07.003] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 07/05/2019] [Accepted: 07/06/2019] [Indexed: 12/18/2022]
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Badr-Eldin SM, Labib GS, Aburahma MH. Eco-Friendly Tadalafil Surfactant-Free Dry Emulsion Tablets (SFDETs) Stabilized by In Situ Self-Assembled Aggregates of Natural Oil and Native Cyclodextrins. AAPS PharmSciTech 2019; 20:255. [PMID: 31321570 DOI: 10.1208/s12249-019-1450-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 06/03/2019] [Indexed: 12/30/2022] Open
Abstract
The main principles of green chemistry and engineering were extended to pharmaceutical formulations to prepare eco-friendly surfactant-free dry emulsion tablets (SFDETs) devoid of solvents or synthetic surfactants. Surfactant-free emulsions were stabilized by in situ cyclodextrins/sweet almond oil inclusion complexes and assessed for creaming stability. Formulation variables' effects on the emulsion droplet size and tadalafil solubility were studied using 22 × 3 factorial design. The emulsions exhibited nanometric and micrometric droplet sizes. The optimized nanoemulsion was loaded with tadalafil, morphologically evaluated, and utilized for preparing lyophilized SFDETs using different gelatin/Pearlitol® ratios. The tablets were characterized and the selected formulation was subjected to storage for 6 months. The emulsions prepared using β-cyclodextrin or higher concentrations of α-cyclodextrin showed little or no phase separation. Statistical analysis revealed significant influence of cyclodextrin type and amount on droplet size, while cyclodextrin type and oil volume exhibited significant effect on drug solubility. Morphological examination revealed non-aggregated spherical emulsion droplets. The prepared tablets showed satisfactory mechanical strength, short disintegration times, and enhanced drug dissolution. The selected tablet formulation (gelatin/Pearlitol®, 4:2 w/w) showed acceptable stability at 25°C/60% relative humidity. An overall conclusion claims that the absence of surfactants is expected to minimize the proposed tablets' in vivo toxicity and environmental concerns.
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Hou C, Yi B, Jiang J, Chang YF, Yao X. Up-to-date vaccine delivery systems: robust immunity elicited by multifarious nanomaterials upon administration through diverse routes. Biomater Sci 2019; 7:822-835. [PMID: 30540292 DOI: 10.1039/c8bm01197d] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
In this review, we summarize the recent design strategies (2015-present) of nanomaterial-based vaccine delivery systems via multiple routes to induce robust protective immunity. The selected topics are focused on the novel design strategies of nanomaterial carriers for vaccine delivery. Inspired by recent advances, we also briefly introduce the emerging administration routes that may give rise to synergistic immune effects with advanced delivery systems. Ultimately, we present the existing challenges and survey the prospective development of various nanoparticle vaccine delivery systems.
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Affiliation(s)
- Changshun Hou
- Department of Biomedical Sciences, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, P. R. China.
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Harman CL, Patel MA, Guldin S, Davies GL. Recent developments in Pickering emulsions for biomedical applications. Curr Opin Colloid Interface Sci 2019. [DOI: 10.1016/j.cocis.2019.01.017] [Citation(s) in RCA: 80] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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50
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Jo M, Ban C, Goh KK, Choi YJ. Gastrointestinal digestion and stability of submicron-sized emulsions stabilized using waxy maize starch crystals. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.06.026] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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