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Seyedmirzaei Sarraf S, Rokhsar Talabazar F, Namli I, Maleki M, Sheibani Aghdam A, Gharib G, Grishenkov D, Ghorbani M, Koşar A. Fundamentals, biomedical applications and future potential of micro-scale cavitation-a review. LAB ON A CHIP 2022; 22:2237-2258. [PMID: 35531747 DOI: 10.1039/d2lc00169a] [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
Thanks to the developments in the area of microfluidics, the cavitation-on-a-chip concept enabled researchers to control and closely monitor the cavitation phenomenon in micro-scale. In contrast to conventional scale, where cavitation bubbles are hard to be steered and manipulated, lab-on-a-chip devices provide suitable platforms to conduct smart experiments and design reliable devices to carefully harness the collapse energy of cavitation bubbles in different bio-related and industrial applications. However, bubble behavior deviates to some extent when confined to micro-scale geometries in comparison to macro-scale. Therefore, fundamentals of micro-scale cavitation deserve in-depth investigations. In this review, first we discussed the physics and fundamentals of cavitation induced by tension-based as well as energy deposition-based methods within microfluidic devices and discussed the similarities and differences in micro and macro-scale cavitation. We then covered and discussed recent developments in bio-related applications of micro-scale cavitation chips. Lastly, current challenges and future research directions towards the implementation of micro-scale cavitation phenomenon to emerging applications are presented.
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Affiliation(s)
- Seyedali Seyedmirzaei Sarraf
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
| | - Farzad Rokhsar Talabazar
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
| | - Ilayda Namli
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
| | - Mohammadamin Maleki
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
| | - Araz Sheibani Aghdam
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
| | - Ghazaleh Gharib
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
- Center of Excellence for Functional Surfaces and Interfaces for Nano-Diagnostics (EFSUN), Sabanci University, Orhanli, 34956, Tuzla, Istanbul, Turkey
| | - Dmitry Grishenkov
- Department of Biomedical Engineering and Health Systems, KTH Royal Institute of Technology, SE-141 57 Stockholm, Sweden
| | - Morteza Ghorbani
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
- Center of Excellence for Functional Surfaces and Interfaces for Nano-Diagnostics (EFSUN), Sabanci University, Orhanli, 34956, Tuzla, Istanbul, Turkey
| | - Ali Koşar
- Faculty of Engineering and Natural Science, Sabanci University, 34956 Tuzla, Istanbul, Turkey.
- Sabanci University Nanotechnology Research and Application Center, 34956 Tuzla, Istanbul, Turkey
- Center of Excellence for Functional Surfaces and Interfaces for Nano-Diagnostics (EFSUN), Sabanci University, Orhanli, 34956, Tuzla, Istanbul, Turkey
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Abbasiasl T, Sutova H, Niazi S, Celebi G, Karavelioglu Z, Kirabali U, Yilmaz A, Uvet H, Kutlu O, Ekici S, Ghorbani M, Kosar A. A Flexible Cystoscope Based on Hydrodynamic Cavitation for Tumor Tissue Ablation. IEEE Trans Biomed Eng 2021; 69:513-524. [PMID: 34329154 DOI: 10.1109/tbme.2021.3100542] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Hydrodynamic cavitation is characterized by the formation of bubbles inside a flow due to local reduction of pressure below the saturation vapor pressure. The resulting growth and violent collapse of bubbles lead to a huge amount of released energy. This energy can be implemented in different fields such as heat transfer enhancement, wastewater treatment and chemical reactions. In this study, a cystoscope based on small scale hydrodynamic cavitation was designed and fabricated to exploit the destructive energy of cavitation bubbles for treatment of tumor tissues. The developed device is equipped with a control system, which regulates the movement of the cystoscope in different directions. According to our experiments, the fabricated cystoscope was able to locate the target and expose cavitating flow to the target continuously and accurately. The designed cavitation probe embedded into the cystoscope caused a significant damage to prostate cancer and bladder cancer tissues within less than 15 minutes. The results of our experiments showed that the cavitation probe could be easily coupled with endoscopic devices because of its small diameter. We successfully integrated a biomedical camera, a suction tube, tendon cables, and the cavitation probe into a 6.7 mm diameter cystoscope, which could be controlled smoothly and accurately via a control system. The developed device is considered as a mechanical ablation therapy, can be a solid alternative for minimally invasive tissue ablation methods such as radiofrequency (RF) and laser ablation, and could have lower side effects compared to ultrasound therapy and cryoablation.
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Xiong R, Xu RX, Huang C, De Smedt S, Braeckmans K. Stimuli-responsive nanobubbles for biomedical applications. Chem Soc Rev 2021; 50:5746-5776. [PMID: 33972972 DOI: 10.1039/c9cs00839j] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Stimuli-responsive nanobubbles have received increased attention for their application in spatial and temporal resolution of diagnostic techniques and therapies, particularly in multiple imaging methods, and they thus have significant potential for applications in the field of biomedicine. This review presents an overview of the recent advances in the development of stimuli-responsive nanobubbles and their novel applications. Properties of both internal- and external-stimuli responsive nanobubbles are highlighted and discussed considering the potential features required for biomedical applications. Furthermore, the methods used for synthesis and characterization of nanobubbles are outlined. Finally, novel biomedical applications are proposed alongside the advantages and shortcomings inherent to stimuli-responsive nanobubbles.
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Affiliation(s)
- Ranhua Xiong
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, P. R. China. and Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, 9000 Ghent, Belgium.
| | - Ronald X Xu
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei 230022, P. R. China and Department of Biomedical Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Chaobo Huang
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, P. R. China.
| | - Stefaan De Smedt
- Joint Laboratory of Advanced Biomedical Materials (NFU-UGent), College of Chemical Engineering, Nanjing Forestry University (NFU), Nanjing 210037, P. R. China. and Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, 9000 Ghent, Belgium. and Centre for Advanced Light Microscopy, Ghent University, 9000, Ghent, Belgium.
| | - Kevin Braeckmans
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, 9000 Ghent, Belgium. and Centre for Advanced Light Microscopy, Ghent University, 9000, Ghent, Belgium.
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Rokhsar Talabazar F, Jafarpour M, Zuvin M, Chen H, Gevari MT, Villanueva LG, Grishenkov D, Koşar A, Ghorbani M. Design and fabrication of a vigorous "cavitation-on-a-chip" device with a multiple microchannel configuration. MICROSYSTEMS & NANOENGINEERING 2021; 7:44. [PMID: 34567757 PMCID: PMC8433160 DOI: 10.1038/s41378-021-00270-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 03/20/2021] [Accepted: 03/21/2021] [Indexed: 05/28/2023]
Abstract
Hydrodynamic cavitation is one of the major phase change phenomena and occurs with a sudden decrease in the local static pressure within a fluid. With the emergence of microelectromechanical systems (MEMS), high-speed microfluidic devices have attracted considerable attention and been implemented in many fields, including cavitation applications. In this study, a new generation of 'cavitation-on-a-chip' devices with eight parallel structured microchannels is proposed. This new device is designed with the motivation of decreasing the upstream pressure (input energy) required for facile hydrodynamic cavitation inception. Water and a poly(vinyl alcohol) (PVA) microbubble (MB) suspension are used as the working fluids. The results show that the cavitation inception upstream pressure can be reduced with the proposed device in comparison with previous studies with a single flow restrictive element. Furthermore, using PVA MBs further results in a reduction in the upstream pressure required for cavitation inception. In this new device, different cavitating flow patterns with various intensities can be observed at a constant cavitation number and fixed upstream pressure within the same device. Moreover, cavitating flows intensify faster in the proposed device for both water and the water-PVA MB suspension in comparison to previous studies. Due to these features, this next-generation 'cavitation-on-a-chip' device has a high potential for implementation in applications involving microfluidic/organ-on-a-chip devices, such as integrated drug release and tissue engineering.
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Affiliation(s)
- Farzad Rokhsar Talabazar
- Faculty of Engineering and Natural Science, Sabanci University, Tuzla, Istanbul Turkey
- Sabanci University Nanotechnology Research and Application Center, Tuzla, Istanbul Turkey
| | - Mohammad Jafarpour
- Faculty of Engineering and Natural Science, Sabanci University, Tuzla, Istanbul Turkey
- Sabanci University Nanotechnology Research and Application Center, Tuzla, Istanbul Turkey
| | - Merve Zuvin
- Faculty of Engineering and Natural Science, Sabanci University, Tuzla, Istanbul Turkey
- Advanced NEMS Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Hongjian Chen
- Department of Biomedical Engineering and Health Systems, KTH Royal Institute of Technology, SE-141 57 Stockholm, Sweden
| | - Moein Talebian Gevari
- Division of Solid State Electronics, Department of Electrical Engineering, The Ångström Laboratory, Uppsala University, Uppsala, Sweden
| | - Luis Guillermo Villanueva
- Advanced NEMS Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Dmitry Grishenkov
- Department of Biomedical Engineering and Health Systems, KTH Royal Institute of Technology, SE-141 57 Stockholm, Sweden
| | - Ali Koşar
- Faculty of Engineering and Natural Science, Sabanci University, Tuzla, Istanbul Turkey
- Sabanci University Nanotechnology Research and Application Center, Tuzla, Istanbul Turkey
- Center of Excellence for Functional Surfaces and Interfaces for Nano-Diagnostics (EFSUN), Sabanci University, Orhanli, Tuzla, Istanbul Turkey
| | - Morteza Ghorbani
- Sabanci University Nanotechnology Research and Application Center, Tuzla, Istanbul Turkey
- Department of Biomedical Engineering and Health Systems, KTH Royal Institute of Technology, SE-141 57 Stockholm, Sweden
- Center of Excellence for Functional Surfaces and Interfaces for Nano-Diagnostics (EFSUN), Sabanci University, Orhanli, Tuzla, Istanbul Turkey
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Zhou Y, Gao XW. Effect of hydrodynamic cavitation in the tissue erosion by pulsed high-intensity focused ultrasound (pHIFU). Phys Med Biol 2016; 61:6651-6667. [PMID: 27541633 DOI: 10.1088/0031-9155/61/18/6651] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
High-intensity focused ultrasound (HIFU) is emerging as an effective therapeutic modality in clinics. Besides the thermal ablation, tissue disintegration is also possible because of the interaction between the distorted HIFU bursts and either bubble cloud or boiling bubble. Hydrodynamic cavitation is another type of cavitation and has been employed widely in industry, but its role in mechanical erosion to tissue is not clearly known. In this study, the bubble dynamics immediately after the termination of HIFU exposure in the transparent gel phantom was captured by high-speed photography, from which the bubble displacement towards the transducer and the changes of bubble size was quantitatively determined. The characteristics of hydrodynamic cavitation due to the release of the acoustic radiation force and relaxation of compressed surrounding medium were found to associate with the number of pulses delivered and HIFU parameters (i.e. pulse duration and pulse repetition frequency). Because of the initial big bubble (~1 mm), large bubble expansion (up to 1.76 folds), and quick bubble motion (up to ~1 m s-1) hydrodynamic cavitation is significant after HIFU exposure and may lead to mechanical erosion. The shielding effect of residual tiny bubbles would reduce the acoustic energy delivered to the pre-existing bubble at the focus and, subsequently, the hydrodynamic cavitation effect. Tadpole shape of mechanical erosion in ex vivo porcine kidney samples was similar to the contour of bubble dynamics in the gel. Liquefied tissue was observed to emit towards the transducer through the punctured tissue after HIFU exposure in the sonography. In summary, the release of HIFU exposure-induced hydrodynamic cavitation produces significant bubble expansion and motion, which may be another important mechanism of tissue erosion. Understanding its mechanism and optimizing the outcome would broaden and enhance HIFU applications.
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Ghorbani M, Oral O, Ekici S, Gozuacik D, Kosar A. Review on Lithotripsy and Cavitation in Urinary Stone Therapy. IEEE Rev Biomed Eng 2016; 9:264-83. [PMID: 27249837 DOI: 10.1109/rbme.2016.2573381] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Cavitation is the sudden formation of vapor bubbles or voids in liquid media and occurs after rapid changes in pressure as a consequence of mechanical forces. It is mostly an undesirable phenomenon. Although the elimination of cavitation is a major topic in the study of fluid dynamics, its destructive nature could be exploited for therapeutic applications. Ultrasonic and hydrodynamic sources are two main origins for generating cavitation. The purpose of this review is to give the reader a general idea about the formation of cavitation phenomenon and existing biomedical applications of ultrasonic and hydrodynamic cavitation. Because of the high number of the studies on ultrasound cavitation in the literature, the main focus of this review is placed on the lithotripsy techniques, which have been widely used for the treatment of urinary stones. Accordingly, cavitation phenomenon and its basic concepts are presented in Section II. The significance of the ultrasound cavitation in the urinary stone treatment is discussed in Section III in detail and hydrodynamic cavitation as an important alternative for the ultrasound cavitation is included in Section IV. Finally, side effects of using both ultrasound and hydrodynamic cavitation in biomedical applications are presented in Section V.
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Uzusen D, Demir E, Yavuz Perk O, Oral O, Ekici S, Unel M, Gozuacik D, Kosar A. Assessment of Probe-to-Specimen Distance Effect in Kidney Stone Treatment With Hydrodynamic Cavitation. J Med Device 2015. [DOI: 10.1115/1.4030274] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
The aim of this study is to focus on the effect of probe-to-specimen distance in kidney stone treatment with hydrodynamic bubbly cavitation. Cavitating bubbles were generated by running phosphate buffered saline (PBS) through stainless steel tubing of inner diameter of 1.56 mm at an inlet pressure of ∼10,000 kPa, which was connected to a 0.75 mm long probe with an inner diameter of 147 μm at the exit providing a sudden contraction and thus low local pressures. The bubbles were targeted on the surface of nine calcium oxalate kidney stones (submerged in a water pool at room temperature and atmospheric pressure) from three different distances, namely, 0.5 mm, 2.75 mm, and 7.75 mm. The experiments were repeated for three different time durations (5 min, 10 min, and 20 min). The experimental data show that amongst the three distances considered, the distance of 2.75 mm results in the highest erosion amount and highest erosion rate (up to 0.94 mg/min), which suggests that a closer distance does not necessarily lead to a higher erosion rate and that the probe-to-specimen distance is a factor of great importance, which needs to be optimized. In order to be able to explain the experimental results, a visualization study was also conducted with a high speed CMOS camera. A new correlation was developed to predict the erosion rates on kidney stones exposed to hydrodynamic cavitation as a function of material properties, time, and distance.
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Affiliation(s)
- Dogan Uzusen
- Mechatronics Engineering Program, Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul 34956, Turkey e-mail:
| | - Ebru Demir
- Mechatronics Engineering Program, Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul 34956, Turkey e-mail:
| | - Osman Yavuz Perk
- Mechatronics Engineering Program, Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul 34956, Turkey e-mail:
| | - Ozlem Oral
- Biological Sciences and Bioengineering Program, Faculty of Engineering and Natural Sciences, Sabanci University Nanotechnology Research and Application Center, Sabancı University, Orhanli, Tulza, Istanbul 34956, Turkey e-mail:
| | - Sinan Ekici
- Department of Urology, Maltepe University Hospital, Maltepe University, Maltepe, Istanbul 34956, Turkey e-mail:
| | - Mustafa Unel
- Mechatronics Engineering Program, Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul 34956, Turkey e-mail:
| | - Devrim Gozuacik
- Molecular Biology, Genetics and Bioengineering Program, Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Tuzla, Istanbul 34956, Turkey e-mail:
| | - Ali Kosar
- Mem. ASME Mechatronics Engineering Program, Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul 34956, Turkey e-mail:
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Itah Z, Oral O, Perk OY, Sesen M, Demir E, Erbil S, Dogan-Ekici AI, Ekici S, Kosar A, Gozuacik D. Hydrodynamic cavitation kills prostate cells and ablates benign prostatic hyperplasia tissue. Exp Biol Med (Maywood) 2013; 238:1242-50. [PMID: 24047796 DOI: 10.1177/1535370213503273] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Hydrodynamic cavitation is a physical phenomenon characterized by vaporization and bubble formation in liquids under low local pressures, and their implosion following their release to a higher pressure environment. Collapse of the bubbles releases high energy and may cause damage to exposed surfaces. We recently designed a set-up to exploit the destructive nature of hydrodynamic cavitation for biomedical purposes. We have previously shown that hydrodynamic cavitation could kill leukemia cells and erode kidney stones. In this study, we analyzed the effects of cavitation on prostate cells and benign prostatic hyperplasia (BPH) tissue. We showed that hydrodynamic cavitation could kill prostate cells in a pressure- and time-dependent manner. Cavitation did not lead to programmed cell death, i.e. classical apoptosis or autophagy activation. Following the application of cavitation, we observed no prominent DNA damage and cells did not arrest in the cell cycle. Hence, we concluded that cavitation forces directly damaged the cells, leading to their pulverization. Upon application to BPH tissues from patients, cavitation could lead to a significant level of tissue destruction. Therefore similar to ultrasonic cavitation, we propose that hydrodynamic cavitation has the potential to be exploited and developed as an approach for the ablation of aberrant pathological tissues, including BPH.
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Affiliation(s)
- Zeynep Itah
- Biological Sciences and Bioengineering Program, Faculty of Engineering and Natural Sciences, Sabanci University, Orhanli-Tuzla, 34956 Istanbul, Turkey
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