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Mokhtare A, Davaji B, Xie P, Yaghoobi M, Rosenwaks Z, Lal A, Palermo G, Abbaspourrad A. Non-contact ultrasound oocyte denudation. LAB ON A CHIP 2022; 22:777-792. [PMID: 35075469 DOI: 10.1039/d1lc00715g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Cumulus removal (CR) is a central prerequisite step for many protocols involved in the assisted reproductive technology (ART) such as intracytoplasmic sperm injection (ICSI) and preimplantation genetic testing (PGT). The most prevalent CR technique is based upon laborious manual pipetting, which suffers from inter-operator variability and therefore a lack of standardization. Automating CR procedures would alleviate many of these challenges, improving the odds of a successful ART or PGT outcome. In this study, a chip-scale ultrasonic device consisting of four interdigitated transducers (IDT) on a lithium niobate substrate has been engineered to deliver megahertz (MHz) range ultrasound to perform denudation. The acoustic streaming and acoustic radiation force agitate COCs inside a microwell placed on top of the LiNbO3 substrate to remove the cumulus cells from the oocytes. This paper demonstrates the capability and safety of the denudation procedure utilizing surface acoustic wave (SAW), achieving automation of this delicate manual procedure and paving the steps toward improved and standardized oocyte manipulation.
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Affiliation(s)
- Amir Mokhtare
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA.
| | - Benyamin Davaji
- School of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA
| | - Philip Xie
- The Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Mohammad Yaghoobi
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA.
| | - Zev Rosenwaks
- The Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Amit Lal
- School of Electrical and Computer Engineering, Cornell University, Ithaca, NY, USA
| | - Gianpiero Palermo
- The Ronald O. Perelman and Claudia Cohen Center for Reproductive Medicine, Weill Cornell Medicine, New York, NY, 10021, USA
| | - Alireza Abbaspourrad
- Department of Food Science, Cornell University, Stocking Hall, Ithaca, NY, 14853, USA.
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Liang S, De Los Rios P, Busiello DM. Dissipation-Driven Selection under Finite Diffusion: Hints from Equilibrium and Separation of Time Scales. ENTROPY (BASEL, SWITZERLAND) 2021; 23:1068. [PMID: 34441208 PMCID: PMC8394842 DOI: 10.3390/e23081068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/11/2021] [Accepted: 08/13/2021] [Indexed: 11/24/2022]
Abstract
When exposed to a thermal gradient, reaction networks can convert thermal energy into the chemical selection of states that would be unfavourable at equilibrium. The kinetics of reaction paths, and thus how fast they dissipate available energy, might be dominant in dictating the stationary populations of all chemical states out of equilibrium. This phenomenology has been theoretically explored mainly in the infinite diffusion limit. Here, we show that the regime in which the diffusion rate is finite, and also slower than some chemical reactions, might bring about interesting features, such as the maximisation of selection or the switch of the selected state at stationarity. We introduce a framework, rooted in a time-scale separation analysis, which is able to capture leading non-equilibrium features using only equilibrium arguments under well-defined conditions. In particular, it is possible to identify fast-dissipation sub-networks of reactions whose Boltzmann equilibrium dominates the steady-state of the entire system as a whole. Finally, we also show that the dissipated heat (and so the entropy production) can be estimated, under some approximations, through the heat capacity of fast-dissipation sub-networks. This work provides a tool to develop an intuitive equilibrium-based grasp on complex non-isothermal reaction networks, which are important paradigms to understand the emergence of complex structures from basic building blocks.
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Affiliation(s)
- Shiling Liang
- Institute of Physics, School of Basic Sciences, École Polytechnique Fédérale de Lausanne—EPFL, 1015 Lausanne, Switzerland; (S.L.); (P.D.L.R.)
| | - Paolo De Los Rios
- Institute of Physics, School of Basic Sciences, École Polytechnique Fédérale de Lausanne—EPFL, 1015 Lausanne, Switzerland; (S.L.); (P.D.L.R.)
- Institute of Bioengineering, School of Basic Sciences, École Polytechnique Fédérale de Lausanne—EPFL, 1015 Lausanne, Switzerland
| | - Daniel Maria Busiello
- Institute of Physics, School of Basic Sciences, École Polytechnique Fédérale de Lausanne—EPFL, 1015 Lausanne, Switzerland; (S.L.); (P.D.L.R.)
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Busiello DM, Liang S, Piazza F, De Los Rios P. Dissipation-driven selection of states in non-equilibrium chemical networks. Commun Chem 2021; 4:16. [PMID: 36697543 PMCID: PMC9814615 DOI: 10.1038/s42004-021-00454-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/15/2021] [Indexed: 01/28/2023] Open
Abstract
Life has most likely originated as a consequence of processes taking place in non-equilibrium conditions (e.g. in the proximity of deep-sea thermal vents) selecting states of matter that would have been otherwise unfavorable at equilibrium. Here we present a simple chemical network in which the selection of states is driven by the thermodynamic necessity of dissipating heat as rapidly as possible in the presence of a thermal gradient: states participating to faster reactions contribute the most to the dissipation rate, and are the most populated ones in non-equilibrium steady-state conditions. Building upon these results, we show that, as the complexity of the chemical network increases, the velocity of the reaction path leading to a given state determines its selection, giving rise to non-trivial localization phenomena in state space. A byproduct of our studies is that, in the presence of a temperature gradient, thermophoresis-like behavior inevitably appears depending on the transport properties of each individual state, thus hinting at a possible microscopic explanation of this intriguing yet still not fully understood phenomenon.
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Affiliation(s)
- Daniel Maria Busiello
- grid.5333.60000000121839049Institute of Physics, École Polytechnique Fédérale de Lausanne - EPFL, Lausanne, Switzerland
| | - Shiling Liang
- grid.5333.60000000121839049Institute of Physics, École Polytechnique Fédérale de Lausanne - EPFL, Lausanne, Switzerland
| | - Francesco Piazza
- grid.417870.d0000 0004 0614 8532Centre de Biophysique Moléculaire (CBM), CNRS-UPR 4301, Rue C. Sadron, Orléans, 45071 France ,grid.112485.b0000 0001 0217 6921Université d’Orléans, UFR CoST Sciences et Techniques, 1 rue de Chartres, Orléans, 45100 France
| | - Paolo De Los Rios
- grid.5333.60000000121839049Institute of Physics, École Polytechnique Fédérale de Lausanne - EPFL, Lausanne, Switzerland ,grid.5333.60000000121839049Institute of Bioengineering, École Polytechnique Fédérale de Lausanne - EPFL, Lausanne, Switzerland
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Cruz C, Barragán D, Magnanelli E, Lervik A, Kjelstrup S. Non-equilibrium thermodynamics as a tool to compute temperature at the catalyst surface. Phys Chem Chem Phys 2019; 21:15195-15205. [DOI: 10.1039/c9cp02389e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The NET theory predicts the coupling between reaction rates and thermal driving forces and gives new insights into why Arrhenius plots may turn out to be non-linear.
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Affiliation(s)
- Carolina Cruz
- Escuela de Química
- Facultad de Ciencias
- Universidad Nacional de Colombia
- Carrera 65 No 59A-110
- Medellin
| | - Daniel Barragán
- Escuela de Química
- Facultad de Ciencias
- Universidad Nacional de Colombia
- Carrera 65 No 59A-110
- Medellin
| | - Elisa Magnanelli
- Department of Chemistry
- Norwegian University of Science and Technology
- Norway
| | - Anders Lervik
- Department of Chemistry
- Norwegian University of Science and Technology
- Norway
| | - Signe Kjelstrup
- Department of Chemistry
- Norwegian University of Science and Technology
- Norway
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Sidhu JS, Singh A, Garg N, Kaur N, Singh N. Carbon dots as analytical tools for sensing of thioredoxin reductase and screening of cancer cells. Analyst 2018. [DOI: 10.1039/c7an02040f] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The addition of Cu2+ to a CD solution quenches the fluorescence emission of CDs while on the addition of TrxR, 2-mercaptopropanoic acid released from the surface of the CDs and emission from CDs was regained.
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Affiliation(s)
| | - Ashutosh Singh
- School of Basic Sciences
- Indian Institute of Technology Mandi
- Mandi
- India
| | - Neha Garg
- School of Basic Sciences
- Indian Institute of Technology Mandi
- Mandi
- India
| | - Navneet Kaur
- Department of Chemistry
- Panjab University
- Chandigarh 160014
- India
| | - Narinder Singh
- Department of Chemistry
- Indian Institute of Technology Ropar
- Rupnagar
- India
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Cui X, Hu J, Choi JR, Huang Y, Wang X, Lu TJ, Xu F. A volumetric meter chip for point-of-care quantitative detection of bovine catalase for food safety control. Anal Chim Acta 2016; 935:207-12. [PMID: 27543029 DOI: 10.1016/j.aca.2016.07.046] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Revised: 07/27/2016] [Accepted: 07/28/2016] [Indexed: 01/13/2023]
Abstract
A volumetric meter chip was developed for quantitative point-of-care (POC) analysis of bovine catalase, a bioindicator of bovine mastitis, in milk samples. The meter chip displays multiplexed quantitative results by presenting the distance of ink bar advancement that is detectable by the naked eye. The meter chip comprises a poly(methyl methacrylate) (PMMA) layer, a double-sided adhesive (DSA) layer and a glass slide layer fabricated by the laser-etching method, which is typically simple, rapid (∼3 min per chip), and cost effective (∼$0.2 per chip). Specially designed "U shape" reaction cells are covered by an adhesive tape that serves as an on-off switch, enabling the simple operation of the assay. As a proof of concept, we employed the developed meter chip for the quantification of bovine catalase in raw milk samples to detect catalase concentrations as low as 20 μg/mL. The meter chip has great potential to detect various target analytes for a wide range of POC applications.
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Affiliation(s)
- Xingye Cui
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jie Hu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jane Ru Choi
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yalin Huang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Xuemin Wang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China
| | - Tian Jian Lu
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an, 710049, China.
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Qian H, Kjelstrup S, Kolomeisky AB, Bedeaux D. Entropy production in mesoscopic stochastic thermodynamics: nonequilibrium kinetic cycles driven by chemical potentials, temperatures, and mechanical forces. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2016; 28:153004. [PMID: 26986039 DOI: 10.1088/0953-8984/28/15/153004] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Nonequilibrium thermodynamics (NET) investigates processes in systems out of global equilibrium. On a mesoscopic level, it provides a statistical dynamic description of various complex phenomena such as chemical reactions, ion transport, diffusion, thermochemical, thermomechanical and mechanochemical fluxes. In the present review, we introduce a mesoscopic stochastic formulation of NET by analyzing entropy production in several simple examples. The fundamental role of nonequilibrium steady-state cycle kinetics is emphasized. The statistical mechanics of Onsager's reciprocal relations in this context is elucidated. Chemomechanical, thermomechanical, and enzyme-catalyzed thermochemical energy transduction processes are discussed. It is argued that mesoscopic stochastic NET in phase space provides a rigorous mathematical basis of fundamental concepts needed for understanding complex processes in chemistry, physics and biology. This theory is also relevant for nanoscale technological advances.
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Affiliation(s)
- Hong Qian
- Department of Applied Mathematics, University of Washington, Seattle, WA 98195, USA
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