1
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Williams YO, Schroën K, Corstens MN. A microfluidic method to systematically study droplet stability in highly concentrated emulsions. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2023.111535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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2
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Bahr MN, Nandkeolyar A, Kenna JK, Nevins N, Da Vià L, Işık M, Chodera JD, Mobley DL. Automated high throughput pK a and distribution coefficient measurements of pharmaceutical compounds for the SAMPL8 blind prediction challenge. J Comput Aided Mol Des 2021; 35:1141-1155. [PMID: 34714468 DOI: 10.1007/s10822-021-00427-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 10/13/2021] [Indexed: 11/28/2022]
Abstract
The goal of the Statistical Assessment of the Modeling of Proteins and Ligands (SAMPL) challenge is to improve the accuracy of current computational models to estimate free energy of binding, deprotonation, distribution and other associated physical properties that are useful for the design of new pharmaceutical products. New experimental datasets of physicochemical properties provide opportunities for prospective evaluation of computational prediction methods. Here, aqueous pKa and a range of bi-phasic logD values for a variety of pharmaceutical compounds were determined through a streamlined automated process to be utilized in the SAMPL8 physical property challenge. The goal of this paper is to provide an in-depth review of the experimental methods utilized to create a comprehensive data set for the blind prediction challenge. The significance of this work involves the use of high throughput experimentation equipment and instrumentation to produce acid dissociation constants for twenty-three drug molecules, as well as distribution coefficients for eleven of those molecules.
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Affiliation(s)
- Matthew N Bahr
- Pharmaceutical Research and Development, GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, PA, 19426, USA.
| | - Aakankschit Nandkeolyar
- Pharmaceutical Research and Development, GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, PA, 19426, USA.,Drexel University, 3141 Chestnut Street, Philadelphia, PA, 19104, USA.,Department of Pharmaceutical Sciences and Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
| | - John K Kenna
- Pharmaceutical Research and Development, GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, PA, 19426, USA
| | - Neysa Nevins
- Pharmaceutical Research and Development, GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, PA, 19426, USA
| | - Luigi Da Vià
- Pharmaceutical Research and Development, GlaxoSmithKline, Gunnels Wood Road, Stevenage, SG1 2NY, UK
| | - Mehtap Işık
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - John D Chodera
- Computational and Systems Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - David L Mobley
- Department of Pharmaceutical Sciences and Department of Chemistry, University of California, Irvine, Irvine, CA, 92697, USA
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3
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Sattari A, Janfaza S, Mashhadi Keshtiban M, Tasnim N, Hanafizadeh P, Hoorfar M. Microfluidic On-Chip Production of Alginate Hydrogels Using Double Coflow Geometry. ACS OMEGA 2021; 6:25964-25971. [PMID: 34660958 PMCID: PMC8515369 DOI: 10.1021/acsomega.1c02728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
Microfluidic on-chip production of microgels employing external gelation has numerous biological and pharmaceutical applications, particularly for the encapsulation of delicate cargos; however, the on-chip production of microgels in microfluidic devices can be challenging due to problems such as clogging caused by accelerated progress in precursor solution viscosity. Here, we introduce a novel microfluidic design incorporating two consecutive coflow geometries for microfluidic droplet generation. A shielding oil phase is employed to avoid emulsification and gelation stages from occurring simultaneously, thereby preventing clogging. The results revealed that the microfluidic device could generate highly monodispersed spherical droplets (coefficient of variation < 3%) with an average diameter in the range of 60-200 μm. Additionally, it was demonstrated that the device could appropriately create a shelter of the oil phase around the inner aqueous phase regardless of the droplet formation regime and flow conditions. The ability of the proposed microfluidic device in the generation of microgels was validated by producing alginate microgels utilizing an aqueous solution of calcium chloride as the continuous phase.
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Affiliation(s)
- Amirmohammad Sattari
- School
of Mechanical Engineering, College of Engineering, University of Tehran, Tehran 16589-53571, Iran
- School
of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Sajjad Janfaza
- School
of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
- Department
of Biological Sciences, University of Alberta, Edmonton, AB T6G 2E9, Canada
| | - Mohsen Mashhadi Keshtiban
- School
of Mechanical Engineering, College of Engineering, University of Tehran, Tehran 16589-53571, Iran
| | - Nishat Tasnim
- School
of Engineering, University of British Columbia, Kelowna, BC V1V 1V7, Canada
| | - Pedram Hanafizadeh
- School
of Mechanical Engineering, College of Engineering, University of Tehran, Tehran 16589-53571, Iran
- Department
of Mechanical Engineering, University of
California, Berkeley, California 94720, United States
| | - Mina Hoorfar
- Department
of Mechanical Engineering, University of
Victoria, Victoria, BC V8W 3P6, Canada
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4
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Li N, Zhang T, Chen G, Xu J, Ouyang G, Zhu F. Recent advances in sample preparation techniques for quantitative detection of pharmaceuticals in biological samples. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116318] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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5
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Elvira KS. Microfluidic technologies for drug discovery and development: friend or foe? Trends Pharmacol Sci 2021; 42:518-526. [PMID: 33994176 DOI: 10.1016/j.tips.2021.04.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 04/19/2021] [Accepted: 04/20/2021] [Indexed: 02/07/2023]
Abstract
There is a point in the evolution of every new technology when questions need to be asked regarding its usefulness and impact. Although microfluidic technologies have drastically decreased the scales at which laboratory processes can be performed and have enabled scientific advances that would have otherwise not been possible, it is time to consider whether these technologies are more disruptive than enabling. Here, my aims are to introduce researchers in the broad fields of drug discovery and development to the advantages and disadvantages of microfluidic technologies, to highlight current work showing how microfluidic technologies can be used at different stages in the drug discovery and development process, to discuss how we can transfer academic breakthroughs in the field of microfluidic technologies to industrial environments, and to examine whether microfluidic technologies have the potential to cause a fundamental paradigm shift in the way that drug discovery and development occurs.
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6
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Lan W, Liu D, Guo X, Liu A, Sun Q, Li X, Jing S, Li S. Study on Liquid–Liquid Droplet Flow Separation in a T-Shaped Microseparator. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01379] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wenjie Lan
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Dan Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Xuqiang Guo
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Aixian Liu
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Qiang Sun
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Xingxun Li
- State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China
| | - Shan Jing
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
| | - Shaowei Li
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
- State Key Laboratory of Chemical Engineering, Tsinghua University, Beijing 100084, China
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7
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Li M, Dyett B, Zhang X. Automated Femtoliter Droplet-Based Determination of Oil–Water Partition Coefficient. Anal Chem 2019; 91:10371-10375. [DOI: 10.1021/acs.analchem.9b02586] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Miaosi Li
- School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
| | - Brendan Dyett
- School of Science, RMIT University, Melbourne, Victoria 3000, Australia
| | - Xuehua Zhang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
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8
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Yu X, Chen B, He M, Wang H, Tian S, Hu B. Facile Design of Phase Separation for Microfluidic Droplet-Based Liquid Phase Microextraction as a Front End to Electrothermal Vaporization-ICPMS for the Analysis of Trace Metals in Cells. Anal Chem 2018; 90:10078-10086. [PMID: 30039697 DOI: 10.1021/acs.analchem.8b03078] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The issue of quantifying trace metals in cells has drawn widespread attention but is threatened with insufficient sensitivity of the instruments, complex cellular matrix and limited cell consumption. In this study, microfluidic droplet-based liquid phase microextraction (LPME), as a miniaturized platform, was developed and combined with electrothermal vaporization (ETV)-inductively coupled plasma mass spectrometry (ICPMS) for the analysis of trace Cd, Hg, Pb, and Bi in cells. A novel and facile design of phase separation region was proposed, which made the phase separation very easily for subsequent ETV-ICPMS detection. Mechanism of the phase separation was carefully discussed using the incompressible formulation of the Navier-Stokes equations. The developed microfluidic droplet-based LPME system exhibited much higher extraction efficiency to target metals than microfluidic stratified flow-based LPME. Under the optimized conditions, the limits of detection of the proposed microfluidic droplet-based LPME-ETV-ICPMS system were 2.5, 3.9, 5.5, and 3.4 ng L-1 for Cd, Hg, Pb, and Bi, respectively. The accuracy of the developed method was well validated by analyzing the target metals in Certified Reference Materials of GBW07601a human hair. Finally, the proposed method was successfully applied to the analysis of target metals in HeLa and HepG2 cells with the recoveries for the spiked samples ranging from 83.5 to 112.3%. Overall, the proposed design is a simple and reliable solution for the phase separation on droplet-chip and the microfluidic droplet-based LPME-ETV-ICPMS combination strategy shows great promise for trace elements analysis in cells.
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Affiliation(s)
- Xiaoxiao Yu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Beibei Chen
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Man He
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Han Wang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Songbai Tian
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry , Wuhan University , Wuhan 430072 , China
| | - Bin Hu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), Department of Chemistry , Wuhan University , Wuhan 430072 , China
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9
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Tshepelevitsh S, Hernits K, Jenčo J, Hawkins JM, Muteki K, Solich P, Leito I. Systematic Optimization of Liquid-Liquid Extraction for Isolation of Unidentified Components. ACS OMEGA 2017; 2:7772-7776. [PMID: 31457334 PMCID: PMC6644944 DOI: 10.1021/acsomega.7b01445] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 10/31/2017] [Indexed: 06/10/2023]
Abstract
We present a systematic approach for predicting the best solvents for selective extraction of components with unknown structure from complex mixtures (e.g., natural products)-a tool promising dramatic simplification of extraction process optimization. Its key advantage is that identification of the component(s) is unnecessary-prediction is based on a small set of experimental distribution coefficients (obtained using a combination of shake-flask extraction and chromatographic analysis) rather than structure-based descriptors. The methodology is suitable for the very common situations in practice where the desired compound needs to be separated from unknown impurities (i.e., selectively extracted from the mixture), as well as for large-scale and high-throughput work. The proof-of-concept methodology was developed and evaluated using an extensive set of experimental distribution data of lignin-related compounds obtained in this work.
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Affiliation(s)
- Sofja Tshepelevitsh
- Institute
of Chemistry, University of Tartu, 14a Ravila Street, Tartu 50411, Estonia
| | - Kertu Hernits
- Institute
of Chemistry, University of Tartu, 14a Ravila Street, Tartu 50411, Estonia
| | - Jaroslav Jenčo
- Faculty
of Pharmacy, Department of Analytical Chemistry, Charles University, Akademika Heyrovského 1203, Hradec
Králové 50005, Czech Republic
| | - Joel M. Hawkins
- Pfizer
Worldwide R&D, Eastern
Point Road, Groton, Connecticut 06340, United States
| | - Koji Muteki
- Pfizer
Worldwide R&D, Eastern
Point Road, Groton, Connecticut 06340, United States
| | - Petr Solich
- Faculty
of Pharmacy, Department of Analytical Chemistry, Charles University, Akademika Heyrovského 1203, Hradec
Králové 50005, Czech Republic
| | - Ivo Leito
- Institute
of Chemistry, University of Tartu, 14a Ravila Street, Tartu 50411, Estonia
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10
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Thien J, Peters C, Brands T, Koß HJ, Bardow A. Efficient Determination of Liquid–Liquid Equilibria Using Microfluidics and Raman Microspectroscopy. Ind Eng Chem Res 2017. [DOI: 10.1021/acs.iecr.7b03230] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Julia Thien
- Chair of Technical Thermodynamics, RWTH Aachen University, Schinkelstraße 8, 52062 Aachen, Germany
| | - Christine Peters
- Chair of Technical Thermodynamics, RWTH Aachen University, Schinkelstraße 8, 52062 Aachen, Germany
| | - Thorsten Brands
- Chair of Technical Thermodynamics, RWTH Aachen University, Schinkelstraße 8, 52062 Aachen, Germany
| | - Hans-Jürgen Koß
- Chair of Technical Thermodynamics, RWTH Aachen University, Schinkelstraße 8, 52062 Aachen, Germany
| | - André Bardow
- Chair of Technical Thermodynamics, RWTH Aachen University, Schinkelstraße 8, 52062 Aachen, Germany
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11
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12
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Turbulence in microfluidics: Cleanroom-free, fast, solventless, and bondless fabrication and application in high throughput liquid-liquid extraction. Anal Chim Acta 2016; 940:73-83. [DOI: 10.1016/j.aca.2016.08.052] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Revised: 08/27/2016] [Accepted: 08/29/2016] [Indexed: 11/13/2022]
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13
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Lestari G, Salari A, Abolhasani M, Kumacheva E. A microfluidic study of liquid-liquid extraction mediated by carbon dioxide. LAB ON A CHIP 2016; 16:2710-2718. [PMID: 27327198 DOI: 10.1039/c6lc00597g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Liquid-liquid extraction is an important separation and purification method; however, it faces a challenge in reducing the energy consumption and the environmental impact of solvent (extractant) recovery. The reversible chemical reactions of switchable solvents (nitrogenous bases) with carbon dioxide (CO2) can be implemented in reactive liquid-liquid extraction to significantly reduce the cost and energy requirements of solvent recovery. The development of new effective switchable solvents reacting with CO2 and the optimization of extraction conditions rely on the ability to evaluate and screen the performance of switchable solvents in extraction processes. We report a microfluidic strategy for time- and labour-efficient studies of CO2-mediated solvent extraction. The platform utilizes a liquid segment containing an aqueous extractant droplet and a droplet of a solution of a switchable solvent in a non-polar liquid, with gaseous CO2 supplied to the segment from both sides. Following the reaction of the switchable solvent with CO2, the solvent becomes hydrophilic and transfers from the non-polar solvent to the aqueous droplet. By monitoring the time-dependent variation in droplet volumes, we determined the efficiency and extraction time for the CO2-mediated extraction of different nitrogenous bases in a broad experimental parameter space. The platform enables a significant reduction in the amount of switchable solvents used in these studies, provides accurate temporal characterization of the liquid-liquid extraction process, and offers the capability of high-throughput screening of switchable solvents.
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Affiliation(s)
- Gabriella Lestari
- Department of Chemical Engineering, University of Toronto, 200 College Street, Toronto, ON M5S 3E5, Canada
| | - Alinaghi Salari
- Department of Chemical Engineering, University of Toronto, 200 College Street, Toronto, ON M5S 3E5, Canada
| | - Milad Abolhasani
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Building 66-525, Cambridge, MA 02139, USA.
| | - Eugenia Kumacheva
- Department of Chemical Engineering, University of Toronto, 200 College Street, Toronto, ON M5S 3E5, Canada and Department of Chemistry, University of Toronto, 80 Saint George Street, Toronto, ON M5S 3H6, Canada. and Institute of Biomaterials and Biomedical Engineering, University of Toronto, 164 College Street, Toronto, ON M5S 3G9, Canada
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14
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Affiliation(s)
- Sheng Tang
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Hong Zhang
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
| | - Hian Kee Lee
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
- National University of Singapore Environmental Research Institute, T-Lab Building #02-01, 5A Engineering
Drive 1, Singapore 117411, Singapore
- Tropical
Marine Science Institute, National University of Singapore, S2S, 18
Kent Ridge Road, Singapore 119227, Singapore
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15
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Abolhasani M, Coley CW, Jensen KF. Multiphase Oscillatory Flow Strategy for in Situ Measurement and Screening of Partition Coefficients. Anal Chem 2015; 87:11130-6. [DOI: 10.1021/acs.analchem.5b03311] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Milad Abolhasani
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 66-342, Cambridge, Massachusetts 02139, United States
| | - Connor W. Coley
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 66-342, Cambridge, Massachusetts 02139, United States
| | - Klavs F. Jensen
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 66-342, Cambridge, Massachusetts 02139, United States
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