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Jin H, Li C, Sun Y, Zhao B, Li Y. Preparation and Application of High Internal Phase Pickering Emulsion Gels Stabilized by Starch Nanocrystal/Tannic Acid Complex Particles. Gels 2024; 10:335. [PMID: 38786252 PMCID: PMC11121127 DOI: 10.3390/gels10050335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/05/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024] Open
Abstract
Herein, the starch nanocrystal/tannic acid (ST) complex particles, which were prepared based on the hydrogen bond between starch nanocrystal (SNC) and tannic acid (TA), were successfully used to stabilize the HIPPE gels. The optimal TA concentration of the ST complex particles resulted in better water dispersibility, surface wettability, and interfacial activity as compared to SNC. The hydrogen bond responsible for the formation of ST complex particles and subsequent stable emulsions was demonstrated by varying the pH and ionic strength of the aqueous phase. Notably, the HIPPE gels stabilized via the ST complex particles can maintain long-term stability for up to three months. The HIPPEs stabilized via the ST complex particles all displayed gel-like features and had smaller droplets and denser droplet networks than the SNC-stabilized HIPPEs. The rheological behavior of HIPPE gels stabilized via the ST complex particles can be readily changed by tuning the mass ratio of SNC and TA as well as pH. Finally, the prepared HIPPE gels used to effectively protect encapsulated β-carotene against high temperatures and ultraviolet radiation and its controllable release at room temperature were demonstrated. It is anticipated that the aforementioned findings will provide new perspectives on the preparation of Pickering emulsion for delivery systems.
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Affiliation(s)
- Haoran Jin
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China (B.Z.)
| | - Chen Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China (B.Z.)
- School of Chemistry, Biology and Environment, Yuxi Normal University, Yuxi 653100, China
| | - Yajuan Sun
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China (B.Z.)
| | - Bingtian Zhao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China (B.Z.)
| | - Yunxing Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China (B.Z.)
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Ariga K. Liquid Interfacial Nanoarchitectonics: Molecular Machines, Organic Semiconductors, Nanocarbons, Stem Cells, and Others. Curr Opin Colloid Interface Sci 2022. [DOI: 10.1016/j.cocis.2022.101656] [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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Palamarchuk KV, Borodina TN, Kostenko AV, Chesnokov YM, Kamyshinsky RA, Palamarchuk NP, Yudina EB, Nikolskaya ED, Yabbarov NG, Mollaeva MR, Bukreeva TV. Development of Submicrocapsules Based on Co-Assembled Like-Charged Silica Nanoparticles and Detonation Nanodiamonds and Polyelectrolyte Layers. Pharmaceutics 2022; 14:pharmaceutics14030575. [PMID: 35335951 PMCID: PMC8951451 DOI: 10.3390/pharmaceutics14030575] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 01/22/2023] Open
Abstract
Capsules with shells based on nanoparticles of different nature co-assembled at the interface of liquid phases of emulsion are promising carriers of lipophilic drugs. To obtain such capsules, theoretically using the Derjaguin–Landau–Verwey–Overbeek (DLVO) theory and experimentally using dynamic light-scattering (DLS) and transmission electron microscopy (TEM) methods, the interaction of like-charged silica nanoparticles and detonation nanodiamonds in an aqueous solution was studied and their ratios selected for the formation of submicron-sized colloidosomes. The resulting colloidosomes were modified with additional layers of nanoparticles and polyelectrolytes, applying LbL technology. As a model anti-cancer drug, thymoquinone was loaded into the developed capsules, demonstrating a significant delay of the release as a result of colloidosome surface modification. Fluorescence flow cytometry and confocal laser scanning microscopy showed efficient internalization of the capsules by MCF7 cancer cells. The obtained results demonstrated a high potential for nanomedicine application in the field of the drug-delivery system development.
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Affiliation(s)
- Konstantin V. Palamarchuk
- National Research Centre “Kurchatov Institute”, 1 Akademika Kurchatova Sq., 123182 Moscow, Russia; (A.V.K.); (Y.M.C.); (R.A.K.); (N.P.P.); (T.V.B.)
- Correspondence: ; Tel.: +7-926-785-22-38
| | - Tatiana N. Borodina
- Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, 59 Leninsky Pr., 119333 Moscow, Russia;
| | - Anastasia V. Kostenko
- National Research Centre “Kurchatov Institute”, 1 Akademika Kurchatova Sq., 123182 Moscow, Russia; (A.V.K.); (Y.M.C.); (R.A.K.); (N.P.P.); (T.V.B.)
- Moscow Institute of Physics and Technology, 9 Institutskiy Per., 141701 Dolgoprudny, Russia
| | - Yury M. Chesnokov
- National Research Centre “Kurchatov Institute”, 1 Akademika Kurchatova Sq., 123182 Moscow, Russia; (A.V.K.); (Y.M.C.); (R.A.K.); (N.P.P.); (T.V.B.)
- Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, 59 Leninsky Pr., 119333 Moscow, Russia;
| | - Roman A. Kamyshinsky
- National Research Centre “Kurchatov Institute”, 1 Akademika Kurchatova Sq., 123182 Moscow, Russia; (A.V.K.); (Y.M.C.); (R.A.K.); (N.P.P.); (T.V.B.)
- Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, 59 Leninsky Pr., 119333 Moscow, Russia;
- Moscow Institute of Physics and Technology, 9 Institutskiy Per., 141701 Dolgoprudny, Russia
| | - Natalya P. Palamarchuk
- National Research Centre “Kurchatov Institute”, 1 Akademika Kurchatova Sq., 123182 Moscow, Russia; (A.V.K.); (Y.M.C.); (R.A.K.); (N.P.P.); (T.V.B.)
- Moscow Institute of Physics and Technology, 9 Institutskiy Per., 141701 Dolgoprudny, Russia
| | - Elena B. Yudina
- Ioffe Institute, 26 Politekhnicheskaya Str., 194021 St. Petersburg, Russia;
| | - Elena D. Nikolskaya
- N.M. Emanuel Institute of Biochemical Physics of Russian Academy of Sciences, 4 Kosygina Str., 119334 Moscow, Russia; (E.D.N.); (N.G.Y.); (M.R.M.)
| | - Nikita G. Yabbarov
- N.M. Emanuel Institute of Biochemical Physics of Russian Academy of Sciences, 4 Kosygina Str., 119334 Moscow, Russia; (E.D.N.); (N.G.Y.); (M.R.M.)
| | - Mariia R. Mollaeva
- N.M. Emanuel Institute of Biochemical Physics of Russian Academy of Sciences, 4 Kosygina Str., 119334 Moscow, Russia; (E.D.N.); (N.G.Y.); (M.R.M.)
| | - Tatiana V. Bukreeva
- National Research Centre “Kurchatov Institute”, 1 Akademika Kurchatova Sq., 123182 Moscow, Russia; (A.V.K.); (Y.M.C.); (R.A.K.); (N.P.P.); (T.V.B.)
- Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” of Russian Academy of Sciences, 59 Leninsky Pr., 119333 Moscow, Russia;
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Koroleva MY, Yurtov EV. Pickering emulsions: properties, structure, using as colloidosomes and stimuli-responsive emulsions. RUSSIAN CHEMICAL REVIEWS 2022. [DOI: 10.1070/rcr5024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Thermoresponsive starch-based particle-stabilized Pickering high internal phase emulsions as nutraceutical containers for controlled release. Int J Biol Macromol 2020; 146:171-178. [DOI: 10.1016/j.ijbiomac.2019.12.269] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 12/24/2019] [Accepted: 12/31/2019] [Indexed: 11/19/2022]
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Pickering emulsion stabilized by amphiphilic pH-sensitive starch nanoparticles as therapeutic containers. Colloids Surf B Biointerfaces 2019; 181:244-251. [DOI: 10.1016/j.colsurfb.2019.05.046] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 05/05/2019] [Accepted: 05/18/2019] [Indexed: 12/25/2022]
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Jiang H, Hong L, Li Y, Ngai T. All-Silica Submicrometer Colloidosomes for Cargo Protection and Tunable Release. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805968] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Hang Jiang
- Department of Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong Hong Kong
| | - Liangzhi Hong
- Department of Polymer Materials Science and Engineering; South China University of Technology; Guangzhou 510641 P. R. China
| | - Yunxing Li
- The Key Laboratory of Synthetic and Biological Colloids; Ministry of Education; School of Chemical and Material Engineering; Jiangnan University; Wuxi 214122 P. R. China
| | - To Ngai
- Department of Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong Hong Kong
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Jiang H, Hong L, Li Y, Ngai T. All-Silica Submicrometer Colloidosomes for Cargo Protection and Tunable Release. Angew Chem Int Ed Engl 2018; 57:11662-11666. [PMID: 30030905 DOI: 10.1002/anie.201805968] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 06/29/2018] [Indexed: 11/12/2022]
Abstract
Colloidosomes have received considerable attention for the controlled delivery of active ingredients in medicine, agrochemicals, and cosmetics. However, most reported colloidosomes are highly permeable and size is larger than 1 μm. All silica colloidosomes have now been prepared with adjustable size, compact shell and low permeability. Our approach is based on the formation of inverse water-in-oil (w/o) emulsions stabilized solely by hydrophobic silica nanoparticles and subsequent locking of the particle at the oil-water interface by a simple sol-gel reaction of silica precursor at room temperature. The colloidosomes obtained display a robust and closed shell, ensuring a long-term retention of small hydrophilic molecules such as Methylene Blue. Remarkably, unlike all other reported silica colloidosomes, a timely and stepwise release of the encapsulated cargo can be triggered by adding ethanol or surfactant without destroying the capsule shell.
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Affiliation(s)
- Hang Jiang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, Hong Kong
| | - Liangzhi Hong
- Department of Polymer Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, P. R. China
| | - Yunxing Li
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, P. R. China
| | - To Ngai
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, Hong Kong
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Hu H, Xiao C, Wu H, Li Y, Zhou Q, Tang Y, Yu C, Yang X, Li Z. Nanocolloidosomes with Selective Drug Release for Active Tumor-Targeted Imaging-Guided Photothermal/Chemo Combination Therapy. ACS APPLIED MATERIALS & INTERFACES 2017; 9:42225-42238. [PMID: 29124920 DOI: 10.1021/acsami.7b14796] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Selective drug release is highly desirable for photothermal/chemo combination therapy when two or even more theranostic agents are encapsulated together within the same nanocarrier. A conventional nanocarrier can hardly achieve this goal. Herein, doxorubicin and indocyanine green (DOX/ICG)-loaded nanocolloidosomes (NCs), with selective drug release, were fabricated as a novel multifunctional theranostic nanoplatform for photothermal/chemo combination therapy. Templating from galactose-functionalized hydroxyethyl starch-polycaprolactone (Gal-HES-PCL) nanoparticles-stabilized Pickering emulsions, the resultant DOX/ICG@Gal-HES-PCL NCs had a diameter of around 140 nm and showed an outstanding tumor-targeting ability, preferable tumor penetration capability, and promotion of photothermal effect. Moreover, these NCs can be used for NIR fluorescence imaging and thus render real-time imaging of solid tumors with high contrast. Collectively, such NCs achieved the best in vivo antitumor efficacy combined with laser irradiation compared with DOX/ICG@HES-PCL NCs and DOX/ICG mixture. These NCs are valuable for active tumor-targeted imaging-guided combination therapy against liver cancer and potentially other diseases.
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Affiliation(s)
- Hang Hu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Chen Xiao
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Honglian Wu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Yihui Li
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Qing Zhou
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Yuxiang Tang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Chan Yu
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
| | - Zifu Li
- National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, P. R. China
- Wuhan Institute of Biotechnology , High Tech Road 666, East Lake High Tech Zone, Wuhan 430040, P. R. China
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10
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Amiryousefi MR, Mohebbi M, Golmohammadzadeh S, Koocheki A, Baghbani F. Fuzzy logic application to model caffeine release from hydrogel colloidosomes. J FOOD ENG 2017. [DOI: 10.1016/j.jfoodeng.2017.05.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Koroleva M, Nagovitsina T, Bidanov D, Gorbachevski O, Yurtov E. Nano- and microcapsules as drug-delivery systems. RESOURCE-EFFICIENT TECHNOLOGIES 2016. [DOI: 10.1016/j.reffit.2016.10.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Wu J, Ma GH. Recent Studies of Pickering Emulsions: Particles Make the Difference. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:4633-48. [PMID: 27337222 DOI: 10.1002/smll.201600877] [Citation(s) in RCA: 398] [Impact Index Per Article: 49.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 05/13/2016] [Indexed: 05/20/2023]
Abstract
In recent years, emulsions stabilized by micro- or nanoparticles (known as Pickering emulsions) have attracted much attention. Micro- or nanoparticles, as the main components of the emulsion, play a key role in the preparation and application of Pickering emulsions. The existence of particles at the interface between the oil and aqueous phases affects not only the preparation, but also the properties of Pickering emulsions, affording superior stability, low toxicity, and stimuli-responsiveness compared to classical emulsions stabilized by surfactants. These advantages of Pickering emulsions make them attractive, especially in biomedicine. In this review, the effects of the characteristics of micro- and nanoparticles on the preparation and properties of Pickering emulsions are introduced. In particular, the preparation methods of Pickering emulsions, especially uniform-sized emulsions, are listed. Uniform Pickering emulsions are convenient for both mechanistic research and applications. Furthermore, some biomedical applications of Pickering emulsions are discussed and the problems hindering their clinical application are identified.
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Affiliation(s)
- Jie Wu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China
| | - Guang-Hui Ma
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100190, China.
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing, 211800, China.
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Zandi M. Simulation of Ascorbic Acid Release from Alginate-Whey Protein Concentrates Microspheres at the Simulated Gastrointestinal Condition Using Netlogo Platform. J FOOD PROCESS ENG 2015. [DOI: 10.1111/jfpe.12327] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Mohsen Zandi
- Department of Food Science and Technology; Urmia University; Urmia 5756151818 Iran
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Dan N. Compound release from core–shell carriers triggered by oscillating fields: Monte Carlo simulations. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.04.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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17
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Drug release through liposome pores. Colloids Surf B Biointerfaces 2015; 126:80-6. [DOI: 10.1016/j.colsurfb.2014.11.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 11/23/2014] [Accepted: 11/25/2014] [Indexed: 11/19/2022]
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Zandi M, Mohebbi M. An agent-based simulation of a release process for encapsulated flavour using the NetLogo platform. FLAVOUR FRAG J 2015. [DOI: 10.1002/ffj.3234] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- M. Zandi
- Department of Food Science and Technology; Urmia University; Urmia Iran
| | - M. Mohebbi
- Department of Food Science and Technology; Ferdowsi University of Mashhad (FUM); Mashhad Iran
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Lishchuk SV. Effective surface dilatational viscosity of highly concentrated particle-laden interfaces. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2014; 90:053005. [PMID: 25493879 DOI: 10.1103/physreve.90.053005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Indexed: 06/04/2023]
Abstract
The effective surface dilatational viscosity is calculated of a flat interface separating two immiscible fluids laden with half-immersed monodisperse rigid spherical non-Brownian particles in the limit of high particle concentration. The derivation is based upon the facts that (i) highly concentrated particle arrays in a plane form a hexagonal structure and (ii) the dominant contribution to the viscous dissipation rate arises in the thin gaps between neighboring particles.
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Affiliation(s)
- S V Lishchuk
- Department of Mathematics, University of Leicester, Leicester LE1 7RH, United Kingdom
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Zandi M, Mohebbei M. Investigation of encapsulated diacetyl colloidosome release profile as a function of sintering process and release media properties. FLAVOUR FRAG J 2014. [DOI: 10.1002/ffj.3214] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mohsen Zandi
- Food Science and Technology department, agricultural faculty; Urmia university; West Azerbaijan Iran
| | - Mohebbat Mohebbei
- Ferdowsi University of Mashhad (FUM); Food Science and Technology; Mashhad 9177948974 Iran
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Zhao Y, Pan Y, Nitin N, Tikekar RV. Enhanced stability of curcumin in colloidosomes stabilized by silica aggregates. Lebensm Wiss Technol 2014. [DOI: 10.1016/j.lwt.2014.03.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Tan H, Sun G, Lin W, Mu C, Ngai T. Gelatin particle-stabilized high internal phase emulsions as nutraceutical containers. ACS APPLIED MATERIALS & INTERFACES 2014; 6:13977-84. [PMID: 25102954 DOI: 10.1021/am503341j] [Citation(s) in RCA: 188] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In this paper, we report for the first time the use of a well-dispersed gelatin particle as a representative of natural and biocompatible materials to be an effective particle stabilizer for high internal phase emulsion (HIPE) formulation. Fairly monodispersed gelatin particles (∼200 nm) were synthesized through a two-step desolvation method and characterized by dynamic light scattering, ζ-potential measurements, scanning electron microscopy, and atomic force microscopy. Those protein latexes were then used as sole emulsifiers to fabricate stable oil-in-water Pickering HIPEs at different concentrations, pH conditions, and homogenization times. Most of the gelatin particles were irreversibly adsorbed at the oil-water interface to hinder droplet coalescence, such that Pickering HIPEs can be formed by a small amount of gelatin particles (as low as 0.5 wt % in the water phase) at pH far away from the isoelectric point of the gelatin particles. In addition, increasing homogenization time led to narrow size distribution of droplets, and high particle concentration resulted in more solidlike Pickering HIPEs. In vitro controlled-release experiments revealed that the release of the encapsulated β-carotene can be tuned by manipulating the concentration of gelatin particles in the formulation, suggesting that the stable and narrow-size-distributed gelatin-stabilized HIPEs had potential in functional food and pharmaceutical applications.
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Affiliation(s)
- Huan Tan
- Department of Pharmaceutical and Bioengineering, School of Chemical Engineering, Sichuan University , Chengdu 610065, P.R. China
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Sander JS, Studart AR. Nanoparticle-filled complex colloidosomes for tunable cargo release. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:15168-15173. [PMID: 24266601 DOI: 10.1021/la402901c] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Capsules with a shell made out of nanoparticles, so-called colloidosomes, are very interesting for controlled encapsulation and release because of their selectively permeable shell, their mechanical stability, and the possibility to make them from many materials. Here, we report the creation of complex colloidosomes that can release encapsulated cargo on-demand in single or multiple release events. Unprecedented on-demand, multiple release is achieved by incorporating functional nanoparticles within the colloidosome hollow core. The entrapped nanoparticles enable pH-triggered release by either swelling to rupture the capsule shell in one single event or desorbing on-demand cargo molecules initially adsorbed on their surface. Implementation of such mechanisms in capsules with magnetically responsive shells enabled the creation of colloidosomes exhibiting unique spatiotemporal control of cargo release.
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Affiliation(s)
- Jonathan S Sander
- Complex Materials, Department of Materials, ETH Zurich , 8093 Zurich, Switzerland
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Zhao Y, Dan N, Pan Y, Nitin N, Tikekar RV. Enhancing the barrier properties of colloidosomes using silica nanoparticle aggregates. J FOOD ENG 2013. [DOI: 10.1016/j.jfoodeng.2013.04.030] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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