51
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Luan T, Meng F, Tao P, Shang W, Wu J, Song C, Deng T. Bubble-Enabled Underwater Motion of a Light-Driven Motor. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1804959. [PMID: 30790442 DOI: 10.1002/smll.201804959] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 01/24/2019] [Indexed: 06/09/2023]
Abstract
This work reports the photothermally driven horizontal motion of a motor as well as the suspending and vertical movements underwater. A motor is designed by attaching two polydimethylsiloxane-coated oxidized copper foams (POCF) to the two opposite sides of an oxidized copper foam (OCF). When the hydrophobic POCF is immersed in water, it serves as both an air bubble trapper and a light-to-heat conversion center. As bubbles grow under photothermal heating, they provide lifting force and result in the revolving motion of the motor. With removal of light illumination, bubbles are cooled by the surrounding water and shrink, and the buoyance is lowered. The resultant force of gravitational force, buoyance, and fluid resistance drives the motor to move forward horizontally. Furthermore, the motors are utilized as oil collectors and oil/water separation is achieved successfully. To effectively control the suspending motion, a polydimethylsiloxane foam doped with carbon black (C-foam) is designed under the photothermal principle. It is maintained at a certain position underwater by controlling the on/off of light. The vertical motion is also studied and utilized to generate electricity. It is expected that different types of underwater motion will open up new opportunities for various applications including drug delivery, collection of heavy oil underwater, and electricity generation.
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Affiliation(s)
- Tian Luan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Fanchen Meng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Peng Tao
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Wen Shang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Jianbo Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Chengyi Song
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
| | - Tao Deng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Rd, Shanghai, 200240, P. R. China
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52
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Li W, Gai M, Rutkowski S, He W, Meng S, Gorin D, Dai L, He Q, Frueh J. An Automated Device for Layer-by-Layer Coating of Dispersed Superparamagnetic Nanoparticle Templates. COLLOID JOURNAL 2019. [DOI: 10.1134/s1061933x18060078] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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53
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Rutkowski S, Si T, Gai M, Sun M, Frueh J, He Q. Magnetically-guided hydrogel capsule motors produced via ultrasound assisted hydrodynamic electrospray ionization jetting. J Colloid Interface Sci 2019; 541:407-417. [PMID: 30710823 DOI: 10.1016/j.jcis.2019.01.103] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 01/22/2019] [Accepted: 01/23/2019] [Indexed: 12/19/2022]
Abstract
Hydrogel capsules are a potential candidate for drug delivery and an interesting alternative to polyelectrolyte multilayer capsules which are under investigation since 20 years. Recently introduced polyelectrolyte complex capsules produced by spraying are non-biodegradable and not biocompatible, which limits their practical application, while biodegradable alginate capsules require complex coaxial electrospray ionization jetting. In this work, biodegradable alginate capsules cross-linked by calcium are successfully produced by hydrodynamic electrospray ionization jetting with the assistance of low frequency ultrasound. The size and shape of most capsules show significant differences with respect to different spraying distance, spraying mode, electrode shape and spraying concentration. Capsules in the shape of vase, mushrooms and spheres were successfully produced. Average capsule size can be adjusted from 10 μm to 2 mm. These capsules are used to encapsulate a model drug. Encapsulated paramagnetic particles enable defined directional motion under the propulsion of a rotating magnetic field, while model drugs can be released by ultrasound.
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Affiliation(s)
- Sven Rutkowski
- Key Lab of Microsystems and Microstructures Manufacturing, Yikuang Street 2 B1, Harbin Institute of Technology, Harbin 150080, PR China
| | - Tieyan Si
- Physics Department, Yikuang Street 2 2H, School of Science, Harbin Institute of Technology, Harbin 150080, PR China.
| | - Meiyu Gai
- Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany; National Research Tomsk Polytechnic University, 634050 Tomsk, Russian Federation
| | - Mengmeng Sun
- Key Lab of Microsystems and Microstructures Manufacturing, Yikuang Street 2 B1, Harbin Institute of Technology, Harbin 150080, PR China
| | - Johannes Frueh
- Key Lab of Microsystems and Microstructures Manufacturing, Yikuang Street 2 B1, Harbin Institute of Technology, Harbin 150080, PR China; National Research Tomsk Polytechnic University, 634050 Tomsk, Russian Federation; Institute of Environmental Engineering, ETH Eidgenössische Technische Hochschule Zürich, 8093 Zürich, Switzerland.
| | - Qiang He
- Key Lab of Microsystems and Microstructures Manufacturing, Yikuang Street 2 B1, Harbin Institute of Technology, Harbin 150080, PR China.
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54
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Gao Y, Du H, Xie Z, Li M, Zhu J, Xu J, Zhang L, Tao J, Zhu J. Self-adhesive photothermal hydrogel films for solar-light assisted wound healing. J Mater Chem B 2019. [DOI: 10.1039/c9tb00481e] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Self-adhesive photothermal hydrogel films can adhere to skin wound and convert solar light into heat, warming up the wound locally and promoting wound repair.
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Affiliation(s)
- Yujie Gao
- Key Lab of Materials Chemistry for Energy Conversion and Storage of Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Hongyao Du
- Department of Dermatology
- Union Hospital
- Tongji Medical College
- HUST
- Wuhan 430022
| | - Zhanjun Xie
- Key Lab of Materials Chemistry for Energy Conversion and Storage of Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Miaomiao Li
- Key Lab of Materials Chemistry for Energy Conversion and Storage of Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Jinjin Zhu
- Department of Dermatology
- Union Hospital
- Tongji Medical College
- HUST
- Wuhan 430022
| | - Jingwei Xu
- Key Lab of Materials Chemistry for Energy Conversion and Storage of Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Lianbin Zhang
- Key Lab of Materials Chemistry for Energy Conversion and Storage of Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
| | - Juan Tao
- Department of Dermatology
- Union Hospital
- Tongji Medical College
- HUST
- Wuhan 430022
| | - Jintao Zhu
- Key Lab of Materials Chemistry for Energy Conversion and Storage of Ministry of Education
- School of Chemistry and Chemical Engineering
- Huazhong University of Science and Technology (HUST)
- Wuhan 430074
- China
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55
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Gai M, Li W, Frueh J, Sukhorukov GB. Polylactic acid sealed polyelectrolyte complex microcontainers for controlled encapsulation and NIR-Laser based release of cargo. Colloids Surf B Biointerfaces 2019; 173:521-528. [DOI: 10.1016/j.colsurfb.2018.10.026] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 10/03/2018] [Accepted: 10/05/2018] [Indexed: 01/14/2023]
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56
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Srivastava SK, Clergeaud G, Andresen TL, Boisen A. Micromotors for drug delivery in vivo: The road ahead. Adv Drug Deliv Rev 2019; 138:41-55. [PMID: 30236447 DOI: 10.1016/j.addr.2018.09.005] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/27/2018] [Accepted: 09/11/2018] [Indexed: 01/16/2023]
Abstract
Autonomously propelled/externally guided micromotors overcome current drug delivery challenges by providing (a) higher drug loading capacity, (b) localized delivery (less toxicity), (c) enhanced tissue penetration and (d) active maneuvering in vivo. These microscale drug delivery systems can exploit biological fluids, as well as exogenous stimuli, like light-NIR, ultrasound and magnetic fields (or a combination of these), towards propulsion/drug release. Ability of these wireless drug carriers towards localized targeting and controlled drug release, makes them a lucrative candidate for drug administration in complex microenvironments (like solid tumors or gastrointestinal tract). In this report, we discuss these microscale drug delivery systems for their therapeutic benefits under in vivo setting and provide a design-application rationale towards greater clinical significance. Also, a proof-of-concept depicting 'microbots-in-a-capsule' towards oral drug delivery has been discussed.
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Affiliation(s)
- Sarvesh Kumar Srivastava
- Center for Intelligent Drug Delivery and Sensing Using microcontainers and Nanomechanics (IDUN), Department of Micro- and Nanotechnology, Technical University of Denmark, Denmark.
| | - Gael Clergeaud
- Center for Nanomedicine and Theranostics, Department of Micro- and Nanotechnology, Technical University of Denmark, Denmark.
| | - Thomas L Andresen
- Center for Nanomedicine and Theranostics, Department of Micro- and Nanotechnology, Technical University of Denmark, Denmark
| | - Anja Boisen
- Center for Intelligent Drug Delivery and Sensing Using microcontainers and Nanomechanics (IDUN), Department of Micro- and Nanotechnology, Technical University of Denmark, Denmark
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57
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Soto F, Chrostowski R. Frontiers of Medical Micro/Nanorobotics: in vivo Applications and Commercialization Perspectives Toward Clinical Uses. Front Bioeng Biotechnol 2018; 6:170. [PMID: 30488033 PMCID: PMC6246686 DOI: 10.3389/fbioe.2018.00170] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/25/2018] [Indexed: 11/13/2022] Open
Abstract
The field of medical micro/nanorobotics holds considerable promise for advancing medical diagnosis and treatment due to their unique ability to move and perform complex task at small scales. Nevertheless, the grand challenge of the field remains in its successful translation towards widespread patient use. We critically address the frontiers of the current methodologies for in vivo applications and discuss the current and foreseeable perspectives of their commercialization. Although no "killer application" that would catalyze rapid commercialization has yet emerged, recent engineering breakthroughs have led to the successful in vivo operation of medical micro/nanorobots. We also highlight how standardizing report summaries of micro/nanorobotics is essential not only for increasing the quality of research but also for minimizing investment risk in their potential commercialization. We review current patents and commercialization efforts based on emerging proof-of-concept applications. We expect to inspire future research efforts in the field of micro/nanorobotics toward future medical diagnosis and treatment.
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Affiliation(s)
- Fernando Soto
- Department of Nanoengineering, University of California, San Diego, La Jolla, CA, United States
| | - Robert Chrostowski
- Texas Materials Institute, The University of Texas at Austin, Austin, TX, United States
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58
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Jiang W, Ma L, Xu X. Recent progress on the design and fabrication of micromotors and their biomedical applications. Biodes Manuf 2018. [DOI: 10.1007/s42242-018-0025-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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59
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Pourrahimi AM, Pumera M. Multifunctional and self-propelled spherical Janus nano/micromotors: recent advances. NANOSCALE 2018; 10:16398-16415. [PMID: 30178795 DOI: 10.1039/c8nr05196h] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Recent progress in autonomous self-propelled multifunctional Janus nano/micromotors, which are able to convert chemical or light energy into mechanical motion, is presented. This technology of moving micro- and nanodevices is at the forefront of materials research and is a promising and growing technology with the possibility of using these motors in both biomedical and environmental applications. The development of novel multifunctional Janus motors together with their motion mechanisms is discussed. Different preparation and synthesis routes are compared. The effects of the size, interfacial structures and porosity on the directional motion and the speed of Janus micromotors are discussed. For light-derived Janus micromotors, newly developed techniques that are able to observe directly the interfaces' charge distribution on a nanometer scale are presented in order to clarify the underlying electrophoresis motion mechanism. This review aims to encourage further research in the field of micromotors using new and facile methodologies for obtaining novel Janus motors with enhanced motion and activity.
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Affiliation(s)
- Amir Masoud Pourrahimi
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, University of Chemistry and Technology Prague, 166 28 Prague 6, Czech Republic.
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60
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Geryak R, Quigley E, Kim S, Korolovych VF, Calabrese R, Kaplan DL, Tsukruk VV. Tunable Interfacial Properties in Silk Ionomer Microcapsules with Tailored Multilayer Interactions. Macromol Biosci 2018; 19:e1800176. [PMID: 30102459 DOI: 10.1002/mabi.201800176] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 06/29/2018] [Indexed: 11/06/2022]
Abstract
Microencapsulation techniques represent a critical step in realizing highly controlled transport of functional materials in multiphase systems. The first demonstration of microcapsules prepared from minimally grafted silk ionomers (silk fibroin modified with cationic/anionic charge groups) are presented here. These tailored biomacromolecules have shown significantly increased biocompatibility over traditional polyelectrolytes and heavily grafted silk ionomers, but the low grafting density had previously limited attempts to fabricate stable microcapsules. In addition, the first microcapsules from polyethylene-glycol-grafted silk ionomers are fabricated and the corresponding impact on microcapsule behavior is demonstrated. The materials are shown to exhibit pH-responsive properties, with the microcapsules demonstrating an approx. tenfold decrease in stiffness and an approx. threefold change in diffusion coefficient when moving from acidic to basic buffer. Finally, the effect of assembly conditions of the microcapsules are shown to play a large role in determining final properties, with microcapsules prepared in acidic buffers showing lower roughness, stiffness, and an inversion in transport behavior (i.e., permeability decreases at higher pH).
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Affiliation(s)
- Ren Geryak
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Elizabeth Quigley
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Sunghan Kim
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Volodymyr F Korolovych
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
| | - Rossella Calabrese
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, 4 Colby St, Medford, MA, 02155, USA
| | - Vladimir V Tsukruk
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332, USA
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61
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Malki M, Fleischer S, Shapira A, Dvir T. Gold Nanorod-Based Engineered Cardiac Patch for Suture-Free Engraftment by Near IR. NANO LETTERS 2018; 18:4069-4073. [PMID: 29406721 PMCID: PMC6047511 DOI: 10.1021/acs.nanolett.7b04924] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/22/2018] [Indexed: 05/19/2023]
Abstract
Although cardiac patches hold a promise for repairing the infarcted heart, their integration with the myocardium by sutures may cause further damage to the diseased organ. To address this issue, we developed facile and safe, suture-free technology for the attachment of engineered tissues to organs. Here, nanocomposite scaffolds comprised of albumin electrospun fibers and gold nanorods (AuNRs) were developed. Cardiac cells were seeded within the scaffolds and assembled into a functioning patch. The engineered tissue was then positioned on the myocardium and irradiated with a near IR laser (808 nm). The AuNRs were able to absorb the light and convert it to thermal energy, which locally changed the molecular structure of the fibrous scaffold, and strongly, but safely, attached it to the wall of the heart. Such hybrid biomaterials can be used in the future to integrate any engineered tissue with any defected organs, while minimizing the risk of additional injury for the patient, caused by the conventional stitching methods.
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Affiliation(s)
- Maayan Malki
- The
Department of Materials Science and Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 6997801, Israel
- The
Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Sharon Fleischer
- The
Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 6997801, Israel
- The
School for Molecular Cell Biology and Biotechnology, Faculty of Life
Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Assaf Shapira
- The
Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 6997801, Israel
- The
School for Molecular Cell Biology and Biotechnology, Faculty of Life
Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol
Center for Regenerative Biotechnology, Tel
Aviv University, Tel Aviv 6997801, Israel
| | - Tal Dvir
- The
Department of Materials Science and Engineering, Faculty of Engineering, Tel Aviv University, Tel Aviv 6997801, Israel
- The
Center for Nanoscience and Nanotechnology, Tel Aviv University, Tel Aviv 6997801, Israel
- The
School for Molecular Cell Biology and Biotechnology, Faculty of Life
Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol
Center for Regenerative Biotechnology, Tel
Aviv University, Tel Aviv 6997801, Israel
- E-mail:
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62
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Zhou D, Gao Y, Yang J, Li YC, Shao G, Zhang G, Li T, Li L. Light-Ultrasound Driven Collective "Firework" Behavior of Nanomotors. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800122. [PMID: 30027044 PMCID: PMC6051403 DOI: 10.1002/advs.201800122] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 03/22/2018] [Indexed: 05/20/2023]
Abstract
It is of great interest and big challenge to control the collective behaviors of nanomotors to mimic the aggregation/separation behavior of biological systems. Here, a light-acoustic combined method is proposed to control the aggregation/separation of artificial nanomotors. It is shown that nanomotors aggregate at the pressure node in acoustic field and afterward present a collective "firework" separation behavior induced by light irradiation. The collective behavior is found to be applicable for metallic materials and polymers even different light wavelengths are used. Physical insights on the collective firework behavior resulting from the change of acoustic streaming caused by optical force are provided. It is found that diffusion velocity and diffusion region of cluster can be controlled by adjusting light intensity and acoustic excitation voltage, and irradiation direction, respectively. This harmless, controllable, and widely applicable method provides new possibilities for groups of nanomachines, drug release, and cargo transport in nanomedicine and nanosensors.
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Affiliation(s)
- Dekai Zhou
- Key Laboratory of Microsystems and Microstructures ManufacturingHarbin Institute of TechnologyHarbinHeilongjiang150001China
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
- Department of ChemistryThe Pennsylvania State UniversityUniversity ParkPA16802USA
| | - Yuan Gao
- Key Laboratory of Microsystems and Microstructures ManufacturingHarbin Institute of TechnologyHarbinHeilongjiang150001China
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
| | - Junjie Yang
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
| | - Yuguang C. Li
- Department of ChemistryThe Pennsylvania State UniversityUniversity ParkPA16802USA
| | - Guangbin Shao
- Key Laboratory of Microsystems and Microstructures ManufacturingHarbin Institute of TechnologyHarbinHeilongjiang150001China
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
| | - Guangyu Zhang
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
| | - Tianlong Li
- Key Laboratory of Microsystems and Microstructures ManufacturingHarbin Institute of TechnologyHarbinHeilongjiang150001China
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
| | - Longqiu Li
- Key Laboratory of Microsystems and Microstructures ManufacturingHarbin Institute of TechnologyHarbinHeilongjiang150001China
- School of Mechatronics EngineeringHarbin Institute of TechnologyHarbin150001China
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63
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Studying of Surfactant Excess Separation from Non-aqueous Quantum Dots Solution on its Monolayer Formation Process. BIONANOSCIENCE 2018. [DOI: 10.1007/s12668-018-0537-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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64
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Peng F, Tu Y, Wilson DA. Micro/nanomotors towards in vivo application: cell, tissue and biofluid. Chem Soc Rev 2018; 46:5289-5310. [PMID: 28524919 DOI: 10.1039/c6cs00885b] [Citation(s) in RCA: 196] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Inspired by highly efficient natural motors, synthetic micro/nanomotors are self-propelled machines capable of converting the supplied fuel into mechanical motion. A significant advance has been made in the construction of diverse motors over the last decade. These synthetic motor systems, with rapid transporting and efficient cargo towing abilities, are expected to open up new horizons for various applications. Utilizing emergent motor platforms for in vivo applications is one important aspect receiving growing interest as conventional therapeutic methodology still remains limited for cancer, heart, or vasculature diseases. In this review we will highlight the recent efforts towards realistic in vivo application of various motor systems. With ever booming research enthusiasm in this field and increasing multidisciplinary cooperation, micro/nanomotors with integrated multifunctionality and selectivity are on their way to revolutionize clinical practice.
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Affiliation(s)
- Fei Peng
- Institute for Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands.
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65
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In-situ NIR-laser mediated bioactive substance delivery to single cell for EGFP expression based on biocompatible microchamber-arrays. J Control Release 2018; 276:84-92. [PMID: 29501723 DOI: 10.1016/j.jconrel.2018.02.044] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 02/26/2018] [Accepted: 02/28/2018] [Indexed: 11/21/2022]
Abstract
Controlled drug delivery and gene expression is required for a large variety of applications including cancer therapy, wound healing, cell migration, cell modification, cell-analysis, reproductive and regenerative medicine. Controlled delivery of precise amounts of drugs to a single cell is especially interesting for cell and tissue engineering as well as therapeutics and has until now required the application of micro-pipettes, precisely placed dispersed drug delivery vehicles, or injections close to or into the cell. Here we present surface bound micro-chamber arrays able to store small hydrophilic molecules for prolonged times in subaqueous conditions supporting spatiotemporal near infrared laser mediated release. The micro-chambers (MCs) are composed of biocompatible and biodegradable polylactic acid (PLA). Biocompatible gold nanoparticles are employed as light harvesting agents to facilitate photothermal MC opening. The degree of photothermal heating is determined by numerical simulations utilizing optical properties of the MC, and confirmed by Brownian motion measurements of laser-irradiated micro-particles exhibiting similar optical properties like the MCs. The amount of bioactive small molecular cargo (doxycycline) from local release is determined by fluorescence spectroscopy and gene expression in isolated C2C12 cells via enhanced green fluorescent protein (EGFP) biosynthesis.
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66
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Vilela D, Cossío U, Parmar J, Martínez-Villacorta AM, Gómez-Vallejo V, Llop J, Sánchez S. Medical Imaging for the Tracking of Micromotors. ACS NANO 2018; 12:1220-1227. [PMID: 29361216 DOI: 10.1021/acsnano.7b07220] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Micro/nanomotors are useful tools for several biomedical applications, including targeted drug delivery and minimally invasive microsurgeries. However, major challenges such as in vivo imaging need to be addressed before they can be safely applied on a living body. Here, we show that positron emission tomography (PET), a molecular imaging technique widely used in medical imaging, can also be used to track a large population of tubular Au/PEDOT/Pt micromotors. Chemisorption of an iodine isotope onto the micromotor's Au surface rendered them detectable by PET, and we could track their movements in a tubular phantom over time frames of up to 15 min. In a second set of experiments, micromotors and the bubbles released during self-propulsion were optically tracked by video imaging and bright-field microscopy. The results from direct optical tracking agreed with those from PET tracking, demonstrating that PET is a suitable technique for the imaging of large populations of active micromotors in opaque environments, thus opening opportunities for the use of this mature imaging technology for the in vivo localization of artificial swimmers.
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Affiliation(s)
- Diana Vilela
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology , Baldiri Reixac 10-12, 08028 Barcelona, Spain
- Max Planck Institute for Intelligent Systems Institution , Heisenbergstraße 3, 70569 Stuttgart, Germany
| | - Unai Cossío
- Radiochemistry and Nuclear Imaging Group, CIC biomaGUNE , Paseo Miramón 182, 20014 San Sebastián, Spain
| | - Jemish Parmar
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology , Baldiri Reixac 10-12, 08028 Barcelona, Spain
- Max Planck Institute for Intelligent Systems Institution , Heisenbergstraße 3, 70569 Stuttgart, Germany
| | | | - Vanessa Gómez-Vallejo
- Radiochemistry and Nuclear Imaging Group, CIC biomaGUNE , Paseo Miramón 182, 20014 San Sebastián, Spain
| | - Jordi Llop
- Radiochemistry and Nuclear Imaging Group, CIC biomaGUNE , Paseo Miramón 182, 20014 San Sebastián, Spain
| | - Samuel Sánchez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology , Baldiri Reixac 10-12, 08028 Barcelona, Spain
- Max Planck Institute for Intelligent Systems Institution , Heisenbergstraße 3, 70569 Stuttgart, Germany
- Institució Catalana de Recerca i Estudis Avancats (ICREA) , Pg. Lluís Companys 23, 08010 Barcelona, Spain
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Ning H, Zhang Y, Zhu H, Ingham A, Huang G, Mei Y, Solovev AA. Geometry Design, Principles and Assembly of Micromotors. MICROMACHINES 2018; 9:E75. [PMID: 30393351 PMCID: PMC6187850 DOI: 10.3390/mi9020075] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 02/06/2018] [Accepted: 02/07/2018] [Indexed: 01/19/2023]
Abstract
Discovery of bio-inspired, self-propelled and externally-powered nano-/micro-motors, rotors and engines (micromachines) is considered a potentially revolutionary paradigm in nanoscience. Nature knows how to combine different elements together in a fluidic state for intelligent design of nano-/micro-machines, which operate by pumping, stirring, and diffusion of their internal components. Taking inspirations from nature, scientists endeavor to develop the best materials, geometries, and conditions for self-propelled motion, and to better understand their mechanisms of motion and interactions. Today, microfluidic technology offers considerable advantages for the next generation of biomimetic particles, droplets and capsules. This review summarizes recent achievements in the field of nano-/micromotors, and methods of their external control and collective behaviors, which may stimulate new ideas for a broad range of applications.
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Affiliation(s)
- Huanpo Ning
- Department of Materials Science, Fudan University, 220 Handan Road, 200433 Shanghai, China.
| | - Yan Zhang
- Department of Materials Science, Fudan University, 220 Handan Road, 200433 Shanghai, China.
| | - Hong Zhu
- Department of Materials Science, Fudan University, 220 Handan Road, 200433 Shanghai, China.
| | - Andreas Ingham
- Department of Biology, University of Copenhagen, 5 Ole Maaløes Vej, DK-2200, 1165 København, Denmark.
| | - Gaoshan Huang
- Department of Materials Science, Fudan University, 220 Handan Road, 200433 Shanghai, China.
| | - Yongfeng Mei
- Department of Materials Science, Fudan University, 220 Handan Road, 200433 Shanghai, China.
| | - Alexander A Solovev
- Department of Materials Science, Fudan University, 220 Handan Road, 200433 Shanghai, China.
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Mushaben M, Urie R, Flake T, Jaffe M, Rege K, Heys J. Spatiotemporal modeling of laser tissue soldering using photothermal nanocomposites. Lasers Surg Med 2018; 50:143-152. [PMID: 28990678 PMCID: PMC5820132 DOI: 10.1002/lsm.22746] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/23/2017] [Indexed: 01/13/2023]
Abstract
OBJECTIVE Laser tissue soldering using photothermal solders is a technology that facilitates rapid sealing using heat-induced changes in the tissue and the solder material. The solder material is made of gold nanorods embedded in a protein matrix patch that can be placed over the tissue rupture site and heated with a laser. Although laser tissue soldering is an attractive approach for surgical repair, potential photothermal damage can limit the success of this approach. Development of predictive mathematical models of photothermal effects including cell death, can lead to more efficient approaches in laser-based tissue repair. METHODS We describe an experimental and modeling investigation into photothermal solder patches for sealing porcine and mouse cadaver intestine sections using near-infrared laser irradiation. Spatiotemporal changes in temperature were determined at the surface as well as various depths below the patch. A mathematical model, based on the finite element method, predicts the spatiotemporal temperature distribution in the patch and surrounding tissue, as well as concomitant cell death in the tissue is described. RESULTS For both the porcine and mouse intestine systems, the model predicts temperatures that are quantitatively similar to the experimental measurements with the model predictions of temperature increase often being within a just a few degrees of experimental measurements. CONCLUSION This mathematical model can be employed to identify optimal conditions for minimizing healthy cell death while still achieving a strong seal of the ruptured tissue using laser soldering. Lasers Surg. Med. 50:143-152, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Madaline Mushaben
- Department of Chemical and Biological Engineering, Montana State University, Bozeman, Montana
| | - Russell Urie
- Department of Chemical Engineering, Arizona State University, Tempe, Arizona
| | - Tanner Flake
- Department of Chemical Engineering, Arizona State University, Tempe, Arizona
| | - Michael Jaffe
- College of Veterinary Medicine, Midwestern University, Glendale, 85308, Arizona
| | - Kaushal Rege
- Department of Chemical Engineering, Arizona State University, Tempe, Arizona
| | - Jeffrey Heys
- Department of Chemical and Biological Engineering, Montana State University, Bozeman, Montana
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Jurado-Sánchez B, Pacheco M, Rojo J, Escarpa A. Magnetocatalytic Graphene Quantum Dots Janus Micromotors for Bacterial Endotoxin Detection. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201701396] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Beatriz Jurado-Sánchez
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering; University of Alcalá; Madrid Spain
| | - Marta Pacheco
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering; University of Alcalá; Madrid Spain
| | - Jaime Rojo
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering; University of Alcalá; Madrid Spain
| | - Alberto Escarpa
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering; University of Alcalá; Madrid Spain
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Jurado-Sánchez B, Pacheco M, Rojo J, Escarpa A. Magnetocatalytic Graphene Quantum Dots Janus Micromotors for Bacterial Endotoxin Detection. Angew Chem Int Ed Engl 2017; 56:6957-6961. [PMID: 28504463 DOI: 10.1002/anie.201701396] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Indexed: 12/30/2022]
Abstract
Magnetocatalytic hybrid Janus micromotors encapsulating phenylboronic acid (PABA) modified graphene quantum dots (GQDs) are described herein as ultrafast sensors for the detection of deadly bacteria endotoxins. A bottom-up approach was adopted to synthesize an oil-in-water emulsion containing the GQDs along with a high loading of platinum and iron oxide nanoparticles on one side of the Janus micromotor body. The two different "active regions" enable highly efficient propulsion in the presence of hydrogen peroxide or magnetic actuation without the addition of a chemical fuel. Fluorescence quenching was observed upon the interaction of GQDs with the target endotoxin (LPS), whereby the PABA tags acted as highly specific recognition receptors of the LPS core polysaccharide region. Such adaptive hybrid operation and highly specific detection hold considerable promise for diverse clinical, agrofood, and biological applications and integration in future lab-on-chip technology.
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Affiliation(s)
- Beatriz Jurado-Sánchez
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Madrid, Spain
| | - Marta Pacheco
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Madrid, Spain
| | - Jaime Rojo
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Madrid, Spain
| | - Alberto Escarpa
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcalá, Madrid, Spain
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Gai M, Kudryavtseva VL, Sukhorukov GB, Frueh J. Micro-Patterned Polystyrene Sheets as Templates for Interlinked 3D Polyelectrolyte Multilayer Microstructures. BIONANOSCIENCE 2017. [DOI: 10.1007/s12668-017-0403-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Mei L, Fan R, Li X, Wang Y, Han B, Gu Y, Zhou L, Zheng Y, Tong A, Guo G. Nanofibers for improving the wound repair process: the combination of a grafted chitosan and an antioxidant agent. Polym Chem 2017. [DOI: 10.1039/c7py00038c] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Wound healing, a complex process involving several important biomolecules and pathways, requires efficient dressings to enhance the therapy effects.
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He W, Frueh J, Shao J, Gai M, Hu N, He Q. Guidable GNR-Fe 3 O 4 -PEM@SiO 2 composite particles containing near infrared active nanocalorifiers for laser assisted tissue welding. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.09.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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