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Han H, Zhan T, Guo N, Cui M, Xu Y. Cryopreservation of organoids: Strategies, innovation, and future prospects. Biotechnol J 2024; 19:e2300543. [PMID: 38403430 DOI: 10.1002/biot.202300543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 12/18/2023] [Accepted: 01/02/2024] [Indexed: 02/27/2024]
Abstract
Organoid technology has demonstrated unique advantages in multidisciplinary fields such as disease research, tumor drug sensitivity, clinical immunity, drug toxicology, and regenerative medicine. It will become the most promising research tool in translational research. However, the long preparation time of organoids and the lack of high-quality cryopreservation methods limit the further application of organoids. Although the high-quality cryopreservation of small-volume biological samples such as cells and embryos has been successfully achieved, the existing cryopreservation methods for organoids still face many bottlenecks. In recent years, with the development of materials science, cryobiology, and interdisciplinary research, many new materials and methods have been applied to cryopreservation. Several new cryopreservation methods have emerged, such as cryoprotectants (CPAs) of natural origin, ice-controlled biomaterials, and rapid rewarming methods. The introduction of these technologies has expanded the research scope of cryopreservation of organoids, provided new approaches and methods for cryopreservation of organoids, and is expected to break through the current technical bottleneck of cryopreservation of organoids. This paper reviews the progress of cryopreservation of organoids in recent years from three aspects: damage factors of cryopreservation of organoids, new protective agents and loading methods, and new technologies of cryopreservation and rewarming.
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Affiliation(s)
- Hengxin Han
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai, China
| | - Taijie Zhan
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai, China
| | - Ning Guo
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai, China
| | - Mengdong Cui
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai, China
| | - Yi Xu
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
- Shanghai Co-innovation Center for Energy Therapy of Tumors, Shanghai, China
- Shanghai Technical Service Platform for Cryopreservation of Biological Resources, Shanghai, China
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2
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Berkane Y, Hayau J, Filz von Reiterdank I, Kharga A, Charlès L, Mink van der Molen AB, Coert JH, Bertheuil N, Randolph MA, Cetrulo CL, Longchamp A, Lellouch AG, Uygun K. Supercooling: A Promising Technique for Prolonged Organ Preservation in Solid Organ Transplantation, and Early Perspectives in Vascularized Composite Allografts. FRONTIERS IN TRANSPLANTATION 2023; 2:1269706. [PMID: 38682043 PMCID: PMC11052586 DOI: 10.3389/frtra.2023.1269706] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Accepted: 09/29/2023] [Indexed: 05/01/2024]
Abstract
Ex-vivo preservation of transplanted organs is undergoing spectacular advances. Machine perfusion is now used in common practice for abdominal and thoracic organ transportation and preservation, and early results are in favor of substantially improved outcomes. It is based on decreasing ischemia-reperfusion phenomena by providing physiological or sub-physiological conditions until transplantation. Alternatively, supercooling techniques involving static preservation at negative temperatures while avoiding ice formation have shown encouraging results in solid organs. Here, the rationale is to decrease the organ's metabolism and need for oxygen and nutrients, allowing for extended preservation durations. The aim of this work is to review all advances of supercooling in transplantation, browsing the literature for each organ. A specific objective was also to study the initial evidence, the prospects, and potential applications of supercooling preservation in Vascularized Composite Allotransplantation (VCA). This complex entity needs a substantial effort to improve long-term outcomes, marked by chronic rejection. Improving preservation techniques is critical to ensure the favorable evolution of VCAs, and supercooling techniques could greatly participate in these advances.
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Affiliation(s)
- Yanis Berkane
- Vascularized Composite Allotransplantation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
- Department of Plastic, Reconstructive and Aesthetic Surgery, Hôpital Sud, CHU Rennes, University of Rennes, Rennes, France
- MOBIDIC, UMR INSERM 1236, Rennes University Hospital, Rennes, France
| | - Justine Hayau
- Division of Plastic Surgery, Lausanne University Hospital, Lausanne, Switzerland
| | - Irina Filz von Reiterdank
- Vascularized Composite Allotransplantation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
- Department of Plastic, Reconstructive and Hand Surgery, University Medical Center Utrecht, Utrecht, Netherlands
- Center for Engineering for Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Anil Kharga
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
- Center for Engineering for Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
| | - Laura Charlès
- Vascularized Composite Allotransplantation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
| | - Abele B. Mink van der Molen
- Department of Plastic, Reconstructive and Hand Surgery, University Medical Center Utrecht, Utrecht, Netherlands
| | - J. Henk Coert
- Department of Plastic, Reconstructive and Hand Surgery, University Medical Center Utrecht, Utrecht, Netherlands
| | - Nicolas Bertheuil
- Department of Plastic, Reconstructive and Aesthetic Surgery, Hôpital Sud, CHU Rennes, University of Rennes, Rennes, France
- MOBIDIC, UMR INSERM 1236, Rennes University Hospital, Rennes, France
| | - Mark A. Randolph
- Vascularized Composite Allotransplantation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
| | - Curtis L. Cetrulo
- Vascularized Composite Allotransplantation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
| | - Alban Longchamp
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
- Center for Engineering for Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Department of Vascular Surgery, Lausanne University Hospital, Lausanne, Switzerland
- Center for Transplant Sciences, Massachusetts General Hospital, Boston, MA, United States
| | - Alexandre G. Lellouch
- Vascularized Composite Allotransplantation Laboratory, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
| | - Korkut Uygun
- Shriners Children’s Boston, Harvard Medical School, Boston, MA, United States
- Center for Engineering for Medicine and Surgery, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Center for Transplant Sciences, Massachusetts General Hospital, Boston, MA, United States
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3
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Ozgur OS, Namsrai BE, Pruett TL, Bischof JC, Toner M, Finger EB, Uygun K. Current practice and novel approaches in organ preservation. FRONTIERS IN TRANSPLANTATION 2023; 2:1156845. [PMID: 38993842 PMCID: PMC11235303 DOI: 10.3389/frtra.2023.1156845] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 05/16/2023] [Indexed: 07/13/2024]
Abstract
Organ transplantation remains the only treatment option for patients with end-stage organ failure. The last decade has seen a flurry of activity in improving organ preservation technologies, which promise to increase utilization in a dramatic fashion. They also bring the promise of extending the preservation duration significantly, which opens the doors to sharing organs across local and international boundaries and transforms the field. In this work, we review the recent literature on machine perfusion of livers across various protocols in development and clinical use, in the context of extending the preservation duration. We then review the next generation of technologies that have the potential to further extend the limits and open the door to banking organs, including supercooling, partial freezing, and nanowarming, and outline the opportunities arising in the field for researchers in the short and long term.
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Affiliation(s)
- Ozge Sila Ozgur
- Department of Surgery, Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Research Department, Shriners Children’s Boston, Boston, MA, United States
| | - Bat-Erdene Namsrai
- Department of Surgery, University of Minnesota, Minneapolis, MN, United States
| | - Timothy L. Pruett
- Department of Surgery, University of Minnesota, Minneapolis, MN, United States
| | - John C. Bischof
- Departments of Mechanical and Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Mehmet Toner
- Department of Surgery, Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Research Department, Shriners Children’s Boston, Boston, MA, United States
| | - Erik B. Finger
- Department of Surgery, University of Minnesota, Minneapolis, MN, United States
| | - Korkut Uygun
- Department of Surgery, Center for Engineering in Medicine and Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States
- Research Department, Shriners Children’s Boston, Boston, MA, United States
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4
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Amini M, Benson JD. Technologies for Vitrification Based Cryopreservation. Bioengineering (Basel) 2023; 10:bioengineering10050508. [PMID: 37237578 DOI: 10.3390/bioengineering10050508] [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: 01/24/2023] [Revised: 03/08/2023] [Accepted: 03/30/2023] [Indexed: 05/28/2023] Open
Abstract
Cryopreservation is a unique and practical method to facilitate extended access to biological materials. Because of this, cryopreservation of cells, tissues, and organs is essential to modern medical science, including cancer cell therapy, tissue engineering, transplantation, reproductive technologies, and bio-banking. Among diverse cryopreservation methods, significant focus has been placed on vitrification due to low cost and reduced protocol time. However, several factors, including the intracellular ice formation that is suppressed in the conventional cryopreservation method, restrict the achievement of this method. To enhance the viability and functionality of biological samples after storage, a large number of cryoprotocols and cryodevices have been developed and studied. Recently, new technologies have been investigated by considering the physical and thermodynamic aspects of cryopreservation in heat and mass transfer. In this review, we first present an overview of the physiochemical aspects of freezing in cryopreservation. Secondly, we present and catalog classical and novel approaches that seek to capitalize on these physicochemical effects. We conclude with the perspective that interdisciplinary studies provide pieces of the cryopreservation puzzle to achieve sustainability in the biospecimen supply chain.
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Affiliation(s)
- Mohammad Amini
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
| | - James D Benson
- Department of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
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Solanki PK, Rabin Y. Is isochoric vitrification feasible? Cryobiology 2023; 111:9-15. [PMID: 36948380 DOI: 10.1016/j.cryobiol.2023.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/16/2023] [Accepted: 03/18/2023] [Indexed: 03/24/2023]
Abstract
This study investigates the feasibility of ice-free isochoric vitrification for cryopreservation applications using mathematical modeling, computation tools, and the underlying principles of thermo-mechanics. This study is triggered by an increasing interest in the possibility of isochoric vitrification, following promising experimental results of isochoric cryopreservation. In general, isochoric cryopreservation is the preservation of biological materials in subzero temperatures in a rigid-sealed container, where some ice crystallization creates favorable pressure elevation due to the anomaly of water expansion upon ice Ih formation. Vitrification on the other hand, is the transformation of liquid into an amorphous solid in the absence of any crystals, which is typically achieved by rapid cooling of a highly viscous solution. The current study presents a mathematical model for vitrification under variable pressure conditions, building upon a recently published thermo-mechanics modeling approach for isochoric cryopreservation. Using the physical properties of dimethyl sulfoxide (DMSO) as a representative cryoprotective agent (CPA), this study suggests that vitrification under isochoric conditions is not feasible, essentially since the CPA solution contracts more than the isochoric chamber by an order of magnitude. This differential contraction can lead to absolute zero pressure in the isochoric chamber, counteracting the premise of the isochoric cryopreservation process. It is concluded that the only alternative to prevent ice formation while benefiting from the potential advantages of higher pressures is to create the required pressures by external means, and not merely by passively enclosing the specimen in an isochoric chamber.
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Affiliation(s)
- Prem K Solanki
- Biothermal Technology Laboratory, Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Yoed Rabin
- Biothermal Technology Laboratory, Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA.
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6
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Criswell T, Swart C, Stoudemire J, Brockbank KGM, Powell-Palm M, Stilwell R, Floren M. Freezing Biological Time: A Modern Perspective on Organ Preservation. Stem Cells Transl Med 2022; 12:17-25. [PMID: 36571240 PMCID: PMC9887086 DOI: 10.1093/stcltm/szac083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 11/07/2022] [Indexed: 12/27/2022] Open
Abstract
Transporting tissues and organs from the site of donation to the patient in need, while maintaining viability, is a limiting factor in transplantation medicine. One way in which the supply chain of organs for transplantation can be improved is to discover novel approaches and technologies that preserve the health of organs outside of the body. The dominant technologies that are currently in use in the supply chain for biological materials maintain tissue temperatures ranging from a controlled room temperature (+25 °C to +15 °C) to cryogenic (-120 °C to -196 °C) temperatures (reviewed in Criswell et al. Stem Cells Transl Med. 2022). However, there are many cells and tissues, as well as all major organs, that respond less robustly to preservation attempts, particularly when there is a need for transport over long distances that require more time. In this perspective article, we will highlight the current challenges and advances in biopreservation aimed at "freezing biological time," and discuss the future directions and requirements needed in the field.
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Affiliation(s)
- Tracy Criswell
- Corresponding author: Tracy Criswell, PhD, Wake Forest School of Medicine, Wake Forest Institute for Regenerative Medicine, 391 Technology Way, Winston-Salem, NC 27101, USA. Tel: +1 336 713 1615.
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Biomolecular Pathways of Cryoinjuries in Low-Temperature Storage for Mammalian Specimens. Bioengineering (Basel) 2022; 9:bioengineering9100545. [PMID: 36290513 PMCID: PMC9598205 DOI: 10.3390/bioengineering9100545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 11/22/2022] Open
Abstract
Low-temperature preservation could effectively extend in vitro storage of biological materials due to delayed or suspended cellular metabolism and decaying as illustrated by the Arrhenius model. It is widely used as an enabling technology for a variety of biomedical applications such as cell therapeutics, assisted reproductive technologies, organ transplantation, and mRNA medicine. Although the technology to minimize cryoinjuries of mammalian specimens during preservation has been advanced substantially over past decades, mammalian specimens still suffer cryoinjuries under low-temperature conditions. Particularly, the molecular mechanisms underlying cryoinjuries are still evasive, hindering further improvement and development of preservation technologies. In this paper, we systematically recapitulate the molecular cascades of cellular injuries induced by cryopreservation, including apoptosis, necroptosis, ischemia-reperfusion injury (IRI). Therefore, this study not only summarizes the impact of low-temperature preservations on preserved cells and organs on the molecular level, but also provides a molecular basis to reduce cryoinjuries for future exploration of biopreservation methods, materials, and devices.
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Gracious Rinwi T, Sun DW, Ma J, Wang QJ. Effects of Isochoric Freezing on Freezing Process and Quality Attributes of Chicken Breast Meat. Food Chem 2022; 405:134732. [DOI: 10.1016/j.foodchem.2022.134732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 10/10/2022] [Accepted: 10/21/2022] [Indexed: 11/04/2022]
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Temperature-pressure correlations of cryoprotective additives for the design of constant volume cryopreservation protocols. Cryobiology 2022; 108:42-50. [PMID: 35987387 DOI: 10.1016/j.cryobiol.2022.08.001] [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: 03/26/2022] [Revised: 07/15/2022] [Accepted: 08/05/2022] [Indexed: 11/22/2022]
Abstract
In the recent years, the use of constant volume (isochoric) cryopreservation, in medicine and biotechnology has captured more attention from the research community and now there is an increasing interest in the use of this new technology. It has been established that the thermodynamics of isochoric freezing is different from that of isobaric (constant pressure) freezing. This study provides researchers in the field experimental results for various compositions of cryoprotectants commonly used in isobaric cryopreservation, in terms of temperature-pressure-molar concentration correlation. It also reveals experimental isochoric thermodynamic data for the following cryoprotectants, commonly used in isobaric cryopreservation: dimethyl sulfoxide, trehalose, ethylene glycol and diethylene glycol. Currently, the data on the pressure-temperature correlation in an isochoric system of cryoprotectants used in isobaric cryopreservation is not available. Our new experimental results indicate that the studied concentrations for each of the CPAs, lower and expands the range of temperatures in which cryopreservation by isochoric freezing can be safely practiced. We consider that these experiments will aid researchers developing new isochoric cryopreservation protocols.
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Beşchea GA, Câmpean SI, Tăbăcaru MB, Vuţoiu BG, Şerban A, Năstase G. A State of the Art Review of Isochoric Cryopreservation and Cryoprotectants. CRYOLETTERS 2022. [DOI: 10.54680/fr22410110112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
There is a developing enthusiasm for discovering new methods, cryoprotectants, systems and devices for cells, tissues, and organ preservation in medicine, in sub-zero temperature conditions and a growing interest in developing more efficient and economical methods for long-term preservation
of food in a frozen state. Most of the preservation protocols currently used in medicine and food preservation involve the use of atmospheric pressure, and temperatures lower than normal body temperature in medicine, or lower than room temperature in the food industry. In this state of the
art review, we analyzed the results of a new preservation method that uses an isochoric system. We aimed to offer a clear overview of the potential of this new technology. Firstly, to study the origins of isochoric preservation, we searched using the WoS Database. A search with the world "isochoric"
returned 488 results. A more specific search of the term "isochoric freezing" returned 94 results. From these searches, we selected the 12 most relevant articles and discuss them here in detail. We present an overall characterization and criticism of the current use and potential of this new
preservation method that can be used in the medicine and food industry. The main findings indicate encouraging results for the tested biological matter, including for the preservation of food products (e.g.cherries, spinach, potatoes), biological organisms (e. g. Caenorhabditis elegans,
Escherichia coli, Listeria, Salmonella typhimurium), organs (e.g. rat hearts), tissues (e. g., tilapia fish filets) or cells (e. g., mammalian cells, pancreatic cells). Accordingly, we conclude that the isochoric system holds huge potential as a new technique in the
field of preservation.
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Affiliation(s)
- George-Andrei Beşchea
- Transilvania University of Braşov, Faculty of Civil Engineering, Department of Building Services, Braşov, Romania
| | - Stefan-Ioan Câmpean
- Transilvania University of Braşov, Faculty of Civil Engineering, Department of Building Services, Braşov, Romania
| | - Maria-Bianca Tăbăcaru
- Transilvania University of Braşov, Faculty of Civil Engineering, Department of Building Services, Braşov, Romania
| | - Beatrice-Georgiana Vuţoiu
- Transilvania University of Braşov, Faculty of Civil Engineering, Department of Building Services, Braşov, Romania
| | - Alexandru Şerban
- Transilvania University of Braşov, Faculty of Civil Engineering, Department of Building Services, Braşov, Romania
| | - Gabriel Năstase
- University Politehnica of Bucharest, Faculty of Mechanical Mechatornics, Thermotechnics, engines, thermal and refrigeration equipment Department, Bucharest, Romania
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Kumari A, Chauhan AK, Tyagi P. Isochoric freezing: An innovative and emerging technology for retention of food quality characteristics. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16704] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Aparna Kumari
- Department of Dairy Science and Food Technology, Institute of Agricultural Science Banaras Hindu University Varanasi India
| | - Anil Kumar Chauhan
- Department of Dairy Science and Food Technology, Institute of Agricultural Science Banaras Hindu University Varanasi India
| | - Prachi Tyagi
- Department of Dairy Science and Food Technology, Institute of Agricultural Science Banaras Hindu University Varanasi India
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12
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Thermo-mechanics aspects of isochoric cryopreservation: A new modeling approach and comparison with experimental data. PLoS One 2022; 17:e0267852. [PMID: 35482795 PMCID: PMC9049319 DOI: 10.1371/journal.pone.0267852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/16/2022] [Indexed: 11/19/2022] Open
Abstract
A new mathematical model is proposed for the analysis of thermo-mechanics effects during isochoric cryopreservation. In that process, some ice crystallization in a fixed-volume container drives pressure elevation, which may be favorable to the preservation of biological material when it resides in the unfrozen portion of the same container. The proposed model is comprehensive, integrating for the first time concepts from the disparate fields of thermodynamics, heat transfer, fluid mechanics, and solid mechanics. The novelty in this study is in treating the cryopreserved material as having a pseudo-viscoelastic behavior over a very narrow temperature range, without affecting the mechanical behavior of the material in the rest of the domain. This unique approach permits treating the domain as a continuum, while avoiding the need to trace freezing fronts and sperate the analysis to liquid and solid subdomains. Consistent with the continuum approach, the heat transfer problem is solved using the enthalpy approach. The presented analysis focusses on isochoric cooling of pure water between standard atmospheric conditions and the triple point of liquid water, ice Ih, and ice III (-22°C and 207.4 MPa). The proposed model is also applicable to isochoric vitrification, by substituting the pseudo-viscoelastic material model with the real viscosity model of the vitrifying material. Results of this study display good agreement with phase-diagram data at steady state, and with experimental data from the literature. Furthermore, this study provides a venue to discussing experimentation aspects of isochoric cryopreservation. The proposed model is further demonstrated on a 3D problem, while discussing scale considerations, crystallization conditions, and transient effects. Notably, the new model can be used to bridge the gap between limited pressure and temperature measurements during cryopreservation and the analysis of the continuum. Arguably, this study presents the most advanced thermo-mechanics model to solve practical problems relating to isochoric cryopreservation.
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13
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Explorative Supercooling Technology for Prevention of Freeze Damages in Vaccines. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12063173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Most freeze-sensitive vaccines are stored between 2 °C and 8 °C upon manufacturing and until they are eventually administered in intermediate vaccine stores and health facilities. This so-called “cold chain” of vaccine distribution is strictly regulated at these specific temperatures to avoid freeze damage. Liquid formulations of particular vaccines (e.g., aluminum-adsorbed tetanus toxoid (TT)) will irreversibly lose their immunogenicity once frozen. Using an oscillating magnetic field (OMF), supercooling can inhibit ice crystal nucleation effectively; water is susceptible to influence by a strong magnetic field, allowing normal water dynamics even in subzero freezing conditions. This recently developed technology—composed of a custom-designed electromagnet unit producing an optimal field strength (50 mT) at a specific frequency (1 Hz)—was successfully used to inhibit the formation of ice crystals in aluminum adjuvant TT vaccines, therefore preventing any visible damage in the vaccines’ microscopic structure. Despite being subject to temperatures far below their freezing point (up to −14 °C) for up to seven days, the TT vaccines showed no freeze damage on physical appearances. Results were further validated using shake tests and light microscopy. As storage and freeze-protection become more critical during times of increased vaccination efforts—particularly against COVID-19—this supercooling technology can be a promising solution to distribution problems by removing concern for temperature abuse or shock-induced freezing.
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14
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Isochoric supercooling cryomicroscopy. Cryobiology 2022; 106:139-147. [DOI: 10.1016/j.cryobiol.2022.02.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 02/09/2022] [Accepted: 02/09/2022] [Indexed: 01/09/2023]
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15
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Powell-Palm MJ. Calculation of a temperature–volume phase diagram of water to inform the study of isochoric freezing down to cryogenic temperatures. RSC Adv 2022; 12:20603-20609. [PMID: 35919185 PMCID: PMC9288857 DOI: 10.1039/d2ra03683e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 07/11/2022] [Indexed: 11/21/2022] Open
Abstract
Phase diagrams are integral to the application and interpretation of materials thermodynamics, and none is more ubiquitous than the common temperature–pressure diagram of water and its many icy phases. Inspired by recent advances in isochoric thermodynamics, we here employ a simple convex hull approach to efficiently calculate an updated temperature–volume phase diagram for water and five of its solid polymorphs from existing Helmholtz free energy data. We proceed to highlight fundamental similarities between this T–V diagram and conventional binary temperature–concentration (T–x) diagrams, provide the volume coordinates of a variety of three-phase invariant reactions (e.g. “confined” or “volumetric” eutectics, peritectics, etc.) that occur amongst the phases of pure water under isochoric or confined conditions, and calculate the phase fraction evolution of ice Ih with temperature along multiple isochores of interest to experimental isochoric freezing. This work provides a requisite baseline upon which to extend the study of isochoric freezing to cryogenic temperatures, with potential applications in thermodynamic metrology, cryovolcanism, and cryopreservation. A new temperature–volume phase diagram is reported for water and five of its icy polymorphs, enabling new interrogation of isochoric freezing processes down to 190 K.![]()
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Affiliation(s)
- Matthew J. Powell-Palm
- Department of Mechanical Engineering, Texas A&M University, College Station, TX 7783, USA
- Department of Materials Science and Engineering, Texas A&M University, College Station, TX 7783, USA
- Department of Mechanical Engineering, University of California at Berkeley, Berkeley, CA 94720, USA
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16
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Glucose and glycerol temperature-pressure correlations for the design of cryopreservation protocols in an isochoric system at subfreezing temperature. Biochem Biophys Res Commun 2021; 559:42-47. [PMID: 33933991 DOI: 10.1016/j.bbrc.2021.04.084] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 04/19/2021] [Indexed: 11/21/2022]
Abstract
There is growing interest in the use of isochoric (constant volume) freezing for cryopreservation of biological matter. The goal of this study is to generate fundamental experimental data on the pressure temperature relation during the freezing of an isochoric system of aqueous solutions of two compounds, glucose and glycerol. Glucose and glycerol are commonly used as cryoprotectants in conventional isobaric (constant pressure) cryopreservation protocols. Earlier studies have shown that the increase in pressure during isochoric freezing is detrimental to biological matter and limits the range of temperatures in which isochoric freezing can be used for preservation to temperatures corresponding to pressures below 40 MPa. In physiological saline solution this pressure corresponds to a temperature of - 4 °C. Our new experimental data shows that the addition of 2 M glycerol to the saline solution lowers the temperature at which the isochoric freezing pressure is 40 MPa to -11 °C, 3 M glycerol to - 16.5 °C, and 4 M glycerol to - 24.5 °C, thereby substantially expending the range of temperatures in which cryopreservation by isochoric freezing can be practiced.
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17
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William N, Acker JP. High Sub-Zero Organ Preservation: A Paradigm of Nature-Inspired Strategies. Cryobiology 2021; 102:15-26. [PMID: 33905707 DOI: 10.1016/j.cryobiol.2021.04.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 03/18/2021] [Accepted: 04/11/2021] [Indexed: 01/03/2023]
Abstract
The field of organ preservation is filled with advancements that have yet to see widespread clinical translation, with some of the more notable strategies deriving their inspiration from nature. While static cold storage (SCS) at 2 °C to 4 °C is the current state-of-the-art, it contributes to the current shortage of transplantable organs due to the limited preservation times it affords combined with the limited ability of marginal grafts (i.e. those at risk for post-transplant dysfunction or primary non-function) to tolerate SCS. The era of storage solution optimization to minimize SCS-induced hypothermic injury has plateaued in its improvements, resulting in a shift towards the use of machine perfusion systems to oxygenate organs at normothermic, sub-normothermic, or hypothermic temperatures, as well as the use of sub-zero storage temperatures to leverage the protection brought forth by a reduction in metabolic demand. Many of the rigors that organs are subjected to at low sub-zero temperatures (-80 °C to -196 °C) commonly used for mammalian cell preservation have yet to be surmounted. Therefore, this article focuses on an intermediate temperature range (0 °C to -20 °C), where much success has been seen in the past two decades. The mechanisms leveraged by organisms capable of withstanding prolonged periods at these temperatures through either avoiding or tolerating the formation of ice has provided a foundation for some of the more promising efforts. This article therefore aims to contextualize the translation of these strategies into the realm of mammalian organ preservation.
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Affiliation(s)
- Nishaka William
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, T6G 2R3, Canada.
| | - Jason P Acker
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, AB, T6G 2R3, Canada; Centre for Innovation, Canadian Blood Services, 8249 114th Street, Edmonton, AB, T6G 2R8, Canada.
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18
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Nida S, Moses JA, Anandharamakrishnan C. Isochoric Freezing and Its Emerging Applications in Food Preservation. FOOD ENGINEERING REVIEWS 2021. [DOI: 10.1007/s12393-021-09284-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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19
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Ugraitskaya SV, Shishova NV, Valeeva ER, Kaurova SA, Shvirst NE, Fesenko EE. Cryopreservation of HeLa Cells at a High Hydrostatic Pressure of 1.0–1.5 kbar. Biophysics (Nagoya-shi) 2021. [DOI: 10.1134/s0006350921010140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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20
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Bridges DF, Bilbao‐Sainz C, Powell‐Palm MJ, Williams T, Wood D, Sinrod AJG, Ukpai G, McHugh TH, Rubinsky B, Wu VCH. Viability of
Listeria monocytogenes
and
Salmonella
Typhimurium after isochoric freezing. J Food Saf 2020. [DOI: 10.1111/jfs.12840] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- David F. Bridges
- United States Department of Agriculture Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
| | - Cristina Bilbao‐Sainz
- United States Department of Agriculture Healthy Processed Foods Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
| | | | - Tina Williams
- United States Department of Agriculture Bioproducts Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
| | - Delilah Wood
- United States Department of Agriculture Bioproducts Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
| | - Amanda J. G. Sinrod
- United States Department of Agriculture Healthy Processed Foods Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
| | - Gideon Ukpai
- Department of Mechanical Engineering University of California Berkeley California USA
| | - Tara H. McHugh
- United States Department of Agriculture Healthy Processed Foods Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
| | - Boris Rubinsky
- Department of Mechanical Engineering University of California Berkeley California USA
| | - Vivian C. H. Wu
- United States Department of Agriculture Produce Safety and Microbiology Research Unit, Western Regional Research Center, Agricultural Research Service Albany California USA
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21
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Buriak I, Fleck RA, Goltsev A, Shevchenko N, Petrushko M, Yurchuk T, Puhovkin A, Rozanova S, Guibert EE, Robert MC, de Paz LJ, Powell-Palm MJ, Fuller B. Translation of Cryobiological Techniques to Socially Economically Deprived Populations—Part 1: Cryogenic Preservation Strategies. J Med Device 2020. [DOI: 10.1115/1.4045878] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Abstract
Use of cold for preservation of biological materials, avoidance of food spoilage and to manage a variety of medical conditions has been known for centuries. The cryobiological science justified these applications in the 1960s increasing their use in expanding global activities. However, the engineering and technological aspects associated with cryobiology can be expensive and this raises questions about the abilities of resource-restricted low and middle income countries (LMICs) to benefit from the advances. This review was undertaken to understand where or how access to cryobiological advances currently exist and the constraints on their usage. The subject areas investigated were based on themes which commonly appear in the journal Cryobiology. This led in the final analysis for separating the review into two parts, with the first part dealing with cold applied for biopreservation of living cells and tissues in science, health care and agriculture, and the second part dealing with cold destruction of tissues in medicine. The limitations of the approaches used are recognized, but as a first attempt to address these topics surrounding access to cryobiology in LMICs, the review should pave the way for future more subject-specific assessments of the true global uptake of the benefits of cryobiology.
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Affiliation(s)
- Iryna Buriak
- Department of Cryomicrobiology, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences of Ukraine, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Roland A. Fleck
- Centre for Ultrastructural Imaging, Kings College London, New Hunts House, Guy's Campus, London SE1 1 UL, United Kingdom
| | - Anatoliy Goltsev
- Department of Cryopathophysiology and Immunology, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Nadiya Shevchenko
- Laboratory of Phytocryobiology, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences of Ukraine, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Maryna Petrushko
- Department for Cryobiology of Reproduction System, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences of Ukraine, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Taisiia Yurchuk
- Department for Cryobiology of Reproduction System, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences of Ukraine, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Anton Puhovkin
- Department for Cryobiology of Reproduction System, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences of Ukraine, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Svitlana Rozanova
- Department of Cryobiophysics, Institute for Problems of Cryobiology and Cryomedicine, National Academy of Sciences of Ukraine, 23, Pereyaslavska str, Kharkiv 61016, Ukraine
| | - Edgardo Elvio Guibert
- Departamento de Ciencias Biologicas, Centro Binacional (Argentina-Italia) de Investigaciones en Criobiología Clínica y Aplicada, Universidad Nacional de Rosario, Avda. Arijon 28BIS, Rosario 2000, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. Arijon 28BIS, Rosario 2000, Argentina
| | - Maria Celeste Robert
- Centro Binacional (Argentina-Italia) de Investigaciones en Criobiología Clínica y Aplicada, Universidad Nacional de Rosario, Avda. Arijon 28BIS, Rosario 2000, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. Arijon 28BIS, Rosario 2000, Argentina
| | - Leonardo Juan de Paz
- Centro Binacional (Argentina-Italia) de Investigaciones en Criobiología Clínica y Aplicada, Universidad Nacional de Rosario, Avda. Arijon 28BIS, Rosario 2000, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas, Avda. Arijon 28BIS, Rosario 2000, Argentina
| | - Matthew J. Powell-Palm
- Department of Mechanical Engineering, University of California Berkeley, 6124 Etcheverry Hall, Hearst Ave, Berkeley, CA 94720
| | - Barry Fuller
- Division of Surgery and Interventional Science, UCL Medical School, Royal Free Hospital, London NW3 2QG, United Kingdom
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22
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Kang T, You Y, Jun S. Supercooling preservation technology in food and biological samples: a review focused on electric and magnetic field applications. Food Sci Biotechnol 2020; 29:303-321. [PMID: 32257514 PMCID: PMC7105587 DOI: 10.1007/s10068-020-00750-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 02/27/2020] [Accepted: 03/10/2020] [Indexed: 12/27/2022] Open
Abstract
Freezing has been widely recognized as the most common process for long-term preservation of perishable foods; however, unavoidable damages associated with ice crystal formation lead to unacceptable quality losses during storage. As an alternative, supercooling preservation has a great potential to extend the shelf-life and maintain quality attributes of fresh foods without freezing damage. Investigations for the application of external electric field (EF) and magnetic field (MF) have theorized that EF and MF appear to be able to control ice nucleation by interacting with water molecules in foods and biomaterials; however, many questions remain open in terms of their roles and influences on ice nucleation with little consensus in the literature and a lack of clear understanding of the underlying mechanisms. This review is focused on understanding of ice nucleation processes and introducing the applications of EF and MF for preservation of food and biological materials.
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Affiliation(s)
- Taiyoung Kang
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, Honolulu, Hawaii 96822 USA
| | - Youngsang You
- Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, Hawaii 96822 USA
| | - Soojin Jun
- Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, Hawaii 96822 USA
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23
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Anderson DM, Benson JD, Kearsley AJ. Foundations of modeling in cryobiology-III: Inward solidification of a ternary solution towards a permeable spherical cell in the dilute limit. Cryobiology 2020; 92:34-46. [PMID: 31604066 DOI: 10.1016/j.cryobiol.2019.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 08/15/2019] [Accepted: 09/30/2019] [Indexed: 11/24/2022]
Abstract
In the previous two manuscripts we outlined the general theory of heat and mass transport in a cell-liquid-ice system with general boundaries and nonideal and nondilute assumptions. Here we simplify the models considerably by presenting a reduction to a spherically symmetric system-a spherical cell with an encroaching spherical ice front. We also reduce to linear approximations of the nonideal nondilute models, essentially assuming dilute and ideal conditions. We derive the resulting nondimensional combined heat and mass transport model for a ternary solution and present numerical solutions. We include an analysis of the effects of varying some nondimensional parameters on rates of ice growth with comments on the necessity of models that account for spatially varying quantities in cryobiology.
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Affiliation(s)
- Daniel M Anderson
- Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, MD, 20878, USA; Department of Mathematical Sciences, George Mason University, Fairfax, VA, 22030, USA.
| | - James D Benson
- Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, MD, 20878, USA; Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada.
| | - Anthony J Kearsley
- Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, MD, 20878, USA.
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24
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Anderson DM, Benson JD, Kearsley AJ. Foundations of modeling in cryobiology-II: Heat and mass transport in bulk and at cell membrane and ice-liquid interfaces. Cryobiology 2019; 91:3-17. [PMID: 31589832 PMCID: PMC7098062 DOI: 10.1016/j.cryobiol.2019.09.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 08/15/2019] [Accepted: 09/30/2019] [Indexed: 11/18/2022]
Abstract
Modeling coupled heat and mass transport in biological systems is critical to the understanding of cryobiology. In Part I of this series we derived the transport equation and presented a general thermodynamic derivation of the critical components needed to use the transport equation in cryobiology. Here we refine to more cryobiologically relevant instances of a double free-boundary problem with multiple species. In particular, we present the derivation of appropriate mass and heat transport constitutive equations for a system consisting of a cell or tissue with a free external boundary, surrounded by liquid media with an encroaching free solidification front. This model consists of two parts-namely, transport in the "bulk phases" away from boundaries, and interfacial transport. Here we derive the bulk and interfacial mass, energy, and momentum balance equations and present a simplification of transport within membranes to jump conditions across them. We establish the governing equations for this cell/liquid/solid system whose solution in the case of a ternary mixture is explored in Part III of this series.
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Affiliation(s)
- Daniel M Anderson
- Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, MD, 20899-8910, USA; Department of Mathematical Sciences, George Mason University, Fairfax, VA, 22030, USA.
| | - James D Benson
- Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, MD, 20899-8910, USA; Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada.
| | - Anthony J Kearsley
- Applied and Computational Mathematics Division, National Institute of Standards and Technology, Gaithersburg, MD, 20899-8910, USA.
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25
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Powell-Palm MJ, Rubinsky B. A shift from the isobaric to the isochoric thermodynamic state can reduce energy consumption and augment temperature stability in frozen food storage. J FOOD ENG 2019. [DOI: 10.1016/j.jfoodeng.2019.02.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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26
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Taylor MJ, Weegman BP, Baicu SC, Giwa SE. New Approaches to Cryopreservation of Cells, Tissues, and Organs. Transfus Med Hemother 2019; 46:197-215. [PMID: 31244588 PMCID: PMC6558330 DOI: 10.1159/000499453] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 03/07/2019] [Indexed: 12/11/2022] Open
Abstract
In this concept article, we outline a variety of new approaches that have been conceived to address some of the remaining challenges for developing improved methods of biopreservation. This recognizes a true renaissance and variety of complimentary, high-potential approaches leveraging inspiration by nature, nanotechnology, the thermodynamics of pressure, and several other key fields. Development of an organ and tissue supply chain that can meet the healthcare demands of the 21st century means overcoming twin challenges of (1) having enough of these lifesaving resources and (2) having the means to store and transport them for a variety of applications. Each has distinct but overlapping logistical limitations affecting transplantation, regenerative medicine, and drug discovery, with challenges shared among major areas of biomedicine including tissue engineering, trauma care, transfusion medicine, and biomedical research. There are several approaches to biopreservation, the optimum choice of which is dictated by the nature and complexity of the tissue and the required length of storage. Short-term hypothermic storage at temperatures a few degrees above the freezing point has provided the basis for nearly all methods of preserving tissues and solid organs that, to date, have proved refractory to cryopreservation techniques successfully developed for single-cell systems. In essence, these short-term techniques have been based on designing solutions for cellular protection against the effects of warm and cold ischemia and basically rely upon the protective effects of reduced temperatures brought about by Arrhenius kinetics of chemical reactions. However, further optimization of such preservation strategies is now seen to be restricted. Long-term preservation calls for much lower temperatures and requires the tissue to withstand the rigors of heat and mass transfer during protocols designed to optimize cooling and warming in the presence of cryoprotective agents. It is now accepted that with current methods of cryopreservation, uncontrolled ice formation in structured tissues and organs at subzero temperatures is the single most critical factor that severely restricts the extent to which tissues can survive procedures involving freezing and thawing. In recent years, this major problem has been effectively circumvented in some tissues by using ice-free cryopreservation techniques based upon vitrification. Nevertheless, despite these promising advances there remain several recognized hurdles to be overcome before deep-subzero cryopreservation, either by classic freezing and thawing or by vitrification, can provide the much-needed means for biobanking complex tissues and organs for extended periods of weeks, months, or even years. In many cases, the approaches outlined here, including new underexplored paradigms of high-subzero preservation, are novel and inspired by mechanisms of freeze tolerance, or freeze avoidance, in nature. Others apply new bioengineering techniques such as nanotechnology, isochoric pressure preservation, and non-Newtonian fluids to circumvent currently intractable problems in cryopreservation.
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Affiliation(s)
- Michael J. Taylor
- Sylvatica Biotech, Inc., North Charleston, South Carolina, USA
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
- Department of Medicine, University of Arizona, Tucson, Arizona, USA
| | | | - Simona C. Baicu
- Sylvatica Biotech, Inc., North Charleston, South Carolina, USA
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27
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Powell-Palm MJ, Aruda J, Rubinsky B. Thermodynamic Theory and Experimental Validation of a Multiphase Isochoric Freezing Process. J Biomech Eng 2019; 141:2731934. [DOI: 10.1115/1.4043521] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Indexed: 12/29/2022]
Abstract
Freezing of the aqueous solutions that comprise biological materials, such as isotonic physiological saline, results in the formation of ice crystals and the generation of a hypertonic solution, both of which prove deleterious to biological matter. The field of modern cryopreservation, or preservation of biological matter at subfreezing temperatures, emerged from the 1948 discovery that certain chemical additives such as glycerol, known as cryoprotectants, can protect cells from freeze-related damage by depressing the freezing point of water in solution. This gave rise to a slew of important medical applications, from the preservation of sperm and blood cells to the recent preservation of an entire liver, and current cryopreservation protocols thus rely heavily on the use of additive cryoprotectants. However, high concentrations of cryoprotectants themselves prove toxic to cells, and thus there is an ongoing effort to minimize cryoprotectant usage while maintaining protection from ice-related damage. Herein, we conceive from first principles a new, purely thermodynamic method to eliminate ice formation and hypertonicity during the freezing of a physiological solution: multiphase isochoric freezing. We develop a comprehensive thermodynamic model to predict the equilibrium behaviors of multiphase isochoric systems of arbitrary composition and validate these concepts experimentally in a simple device with no moving parts, providing a baseline from which to design tailored cryopreservation protocols using the multiphase isochoric technique.
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Affiliation(s)
- Matthew J. Powell-Palm
- Department of Mechanical Engineering, University of California Berkeley, Berkeley, CA 94720 e-mail:
| | - Justin Aruda
- Department of Mechanical Engineering, University of California Berkeley, Berkeley, CA 94720
| | - Boris Rubinsky
- Department of Mechanical Engineering, University of California Berkeley, Berkeley, CA 94720
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28
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Powell-Palm MJ, Zhang Y, Aruda J, Rubinsky B. Isochoric conditions enable high subfreezing temperature pancreatic islet preservation without osmotic cryoprotective agents. Cryobiology 2019; 86:130-133. [DOI: 10.1016/j.cryobiol.2019.01.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/06/2018] [Accepted: 01/04/2019] [Indexed: 11/30/2022]
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29
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Powell-Palm MJ, Preciado J, Lyu C, Rubinsky B. Escherichia coli viability in an isochoric system at subfreezing temperatures. Cryobiology 2018; 85:17-24. [DOI: 10.1016/j.cryobiol.2018.10.262] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/19/2018] [Accepted: 10/22/2018] [Indexed: 10/28/2022]
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