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Baghbanbashi M, Shiran HS, Kakkar A, Pazuki G, Ristroph K. Recent advances in drug delivery applications of aqueous two-phase systems. PNAS NEXUS 2024; 3:pgae255. [PMID: 39006476 PMCID: PMC11245733 DOI: 10.1093/pnasnexus/pgae255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Accepted: 06/06/2024] [Indexed: 07/16/2024]
Abstract
Aqueous two-phase systems (ATPSs) are liquid-liquid equilibria between two aqueous phases that usually contain over 70% water content each, which results in a nontoxic organic solvent-free environment for biological compounds and biomolecules. ATPSs have attracted significant interest in applications for formulating carriers (microparticles, nanoparticles, hydrogels, and polymersomes) which can be prepared using the spontaneous phase separation of ATPSs as a driving force, and loaded with a wide range of bioactive materials, including small molecule drugs, proteins, and cells, for delivery applications. This review provides a detailed analysis of various ATPSs, including strategies employed for particle formation, polymerization of droplets in ATPSs, phase-guided block copolymer assemblies, and stimulus-responsive carriers. Processes for loading various bioactive payloads are discussed, and applications of these systems for drug delivery are summarized and discussed.
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Affiliation(s)
- Mojhdeh Baghbanbashi
- Department of Agricultural and Biological Engineering, Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, USA
| | - Hadi Shaker Shiran
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran 1591634311, Iran
| | - Ashok Kakkar
- Department of Chemistry, McGill University, 801 Sherbrooke St West, Montreal, QC H3A 0B8, Canada
| | - Gholamreza Pazuki
- Department of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran 1591634311, Iran
| | - Kurt Ristroph
- Department of Agricultural and Biological Engineering, Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, USA
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Hu B, Zhao Y, Ye Z, Wang H. Water-in-Water Emulsions Stabilized by Silica Janus Nanosheets. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206215. [PMID: 36670084 DOI: 10.1002/smll.202206215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/09/2022] [Indexed: 06/17/2023]
Abstract
Water-in-water (w/w) emulsions have been recognized for their broad applications in foods, cosmetics, and biomedical engineering. In this work, silica Janus nanosheets (JNs) with polyacrylic acid (PAA) chains grafted on one surface via crushing functional silica foams, and used silica JNs as Pickering stabilizer to produce stable water-in-water (w/w) emulsions from the aqueous two-phase system (ATPS) containing methacrylic acid (MAA) and NaCl are prepared. The interfacial area of w/w emulsions increases linearly with the concentration of silica JNs, and the interfacial coverage of nanosheets is calculated to be about 98%. After polymerizing w/w emulsions prepared from MAA/NaCl ATPS, it is found that silica JNs are entrapped at the interface of w/w emulsions with the smooth PAA-grafted surface located toward MAA-rich phase due to their specific interaction. These results show that functional silica JNs can be used as a promising amphiphilic Pickering stabilizer to produce well-defined w/w emulsions for numerous application fields.
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Affiliation(s)
- Bintao Hu
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, P. R. China
| | - Yongliang Zhao
- Shanghai Dilato Materials Company Limited, Shanghai, 200433, P. R. China
| | - Zhangfan Ye
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, P. R. China
| | - Haitao Wang
- State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai, 200438, P. R. China
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Quintana AA, Sztapka AM, Santos Ebinuma VDC, Agatemor C. Enabling Sustainable Chemistry with Ionic Liquids and Deep Eutectic Solvents: A Fad or the Future? Angew Chem Int Ed Engl 2022; 61:e202205609. [PMID: 35789078 DOI: 10.1002/anie.202205609] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Indexed: 12/17/2022]
Abstract
Ionic liquids (ILs) and deep eutectic solvents (DESs) debuted with a promise of a superior sustainability footprint due to their low vapor pressure. However, their toxicity and high cost compromise this footprint, impeding their real-world applications. Fortunately, their property tunability through a rational selection of precursors, including bioderived ones, provides a strategy to ameliorate toxicity, lower cost, and endow new functions. This Review discusses whether ILs and DESs are sustainable solvents and how they contribute to sustainable chemical processes.
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Affiliation(s)
| | | | - Valéria de Carvalho Santos Ebinuma
- Department of Engineering of Bioprocesses and Biotechnology, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - Christian Agatemor
- Department of Chemistry, University of Miami, Coral Gables, FL 33124, USA.,Sylvester Comprehensive Cancer Center, University of Miami, Miami, FL 33136, USA
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Torres-Bautista A, Torres-Acosta MA, González-Valdez J. Characterization and optimization of polymer-polymer aqueous two-phase systems for the isolation and purification of CaCo2 cell-derived exosomes. PLoS One 2022; 17:e0273243. [PMID: 36054216 PMCID: PMC9439200 DOI: 10.1371/journal.pone.0273243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 08/04/2022] [Indexed: 12/02/2022] Open
Abstract
Exosomes are cell-derived vesicles that present attractive characteristics such as nano size and unique structure for their use as drug delivery systems for drug therapy, biomarkers for prognostic, diagnostic and personalized treatments. So far, one of the major challenges for therapeutic applications of exosomes is the development of optimized isolation methods. In this context, aqueous two-phase systems (ATPS) have been used as an alternative method to isolate biological molecules and particles with promising expectations for exosomes. In this work, fractionation of exosomes obtained from CaCo2 cell line and culture media contaminants were individually performed in 20 polymer-polymer ATPS. The effect of design parameters such as polymer composition, molecular weight, and tie-line length (TLL) on polyethylene glycol (PEG)-Dextran, Dextran-Ficoll and PEG-Ficoll systems was studied. After partition analysis, 4 of the 20 systems presented the best exosome fractionation from contaminants under initial conditions, which were optimized via salt addition (NaCl) to a final concentration of 25 mM, to improve collection efficiency. The PEG 10,000 gmol-1 –Dextran 10,000 gmol-1 system at TLL 25% w/w with NaCl, showed the best potential isolation efficiency. Following this proposed strategy, an exosome purification factor of 2 in the top PEG-rich phase can be expected furtherly demonstrating that ATPS have the potential for the selective recovery of these promising nanovesicles.
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Affiliation(s)
- Abril Torres-Bautista
- School of Engineering and Science, Tecnológico de Monterrey, Monterrey, Nuevo León, Mexico
| | - Mario A. Torres-Acosta
- Department of Biochemical Engineering, The Advanced Centre for Biochemical Engineering, University College London, London, England, United Kingdom
| | - José González-Valdez
- School of Engineering and Science, Tecnológico de Monterrey, Monterrey, Nuevo León, Mexico
- * E-mail:
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Schwaminger SP, Zimmermann I, Berensmeier S. Current research approaches in downstream processing of pharmaceutically relevant proteins. Curr Opin Biotechnol 2022; 77:102768. [PMID: 35930843 DOI: 10.1016/j.copbio.2022.102768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/04/2022] [Accepted: 07/12/2022] [Indexed: 11/03/2022]
Abstract
Biopharmaceuticals and their production are on the rise. They are needed to treat and to prevent multiple diseases. Therefore, an urgent need for process intensification in downstream processing (DSP) has been identified to produce biopharmaceuticals more efficiently. The DSP currently accounts for the majority of production costs of pharmaceutically relevant proteins. This short review gathers essential research over the past 3 years that addresses novel solutions to overcome this bottleneck. The overview includes promising studies in the fields of chromatography, aqueous two-phase systems, precipitation, crystallization, magnetic separation, and filtration for the purification of pharmaceutically relevant proteins.
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Affiliation(s)
- Sebastian P Schwaminger
- Division of Medicinal Chemistry, Otto Loewi Research Center, Medical University of Graz, Graz, Austria; Bioseparation Engineering Group, School of Engineering and Design, Technical University of Munich, Garching, Germany.
| | - Ines Zimmermann
- Bioseparation Engineering Group, School of Engineering and Design, Technical University of Munich, Garching, Germany
| | - Sonja Berensmeier
- Bioseparation Engineering Group, School of Engineering and Design, Technical University of Munich, Garching, Germany.
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Agatemor C, Quintana AA, Sztapka LM, Ebinuma VDCS. Enabling Sustainable Chemistry with Ionic Liquids and Deep Eutectic Solvents: a Fad or the Future? Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Christian Agatemor
- University of Miami - Coral Gables Campus: University of Miami Chemistry 1301 Memorial Dr 33146 Coral Gables UNITED STATES
| | - Aline Andrea Quintana
- University of Miami - Coral Gables Campus: University of Miami Chemistry UNITED STATES
| | - Lani Maria Sztapka
- University of Miami - Coral Gables Campus: University of Miami Chemistry UNITED STATES
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