51
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Wang Z, Xu Z, Zhu B, Zhang Y, Lin J, Wu Y, Wu D. Design, fabrication and application of magnetically actuated micro/nanorobots: a review. NANOTECHNOLOGY 2022; 33:152001. [PMID: 34915458 DOI: 10.1088/1361-6528/ac43e6] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Magnetically actuated micro/nanorobots are typical micro- and nanoscale artificial devices with favorable attributes of quick response, remote and contactless control, harmless human-machine interaction and high economic efficiency. Under external magnetic actuation strategies, they are capable of achieving elaborate manipulation and navigation in extreme biomedical environments. This review focuses on state-of-the-art progresses in design strategies, fabrication techniques and applications of magnetically actuated micro/nanorobots. Firstly, recent advances of various robot designs, including helical robots, surface walkers, ciliary robots, scaffold robots and biohybrid robots, are discussed separately. Secondly, the main progresses of common fabrication techniques are respectively introduced, and application achievements on these robots in targeted drug delivery, minimally invasive surgery and cell manipulation are also presented. Finally, a short summary is made, and the current challenges and future work for magnetically actuated micro/nanorobots are discussed.
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Affiliation(s)
- Zhongbao Wang
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Zhenjin Xu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Bin Zhu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Yang Zhang
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Jiawei Lin
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Yigen Wu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
| | - Dezhi Wu
- Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen, 361005, People's Republic of China
- Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, People's Republic of China
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52
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Nano/Microrobots Line Up for Gastrointestinal Tract Diseases: Targeted Delivery, Therapy, and Prevention. ENERGIES 2022. [DOI: 10.3390/en15020426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Nano/microrobots (NMRs) are tiny devices that can convert energy into motion and operate at nano/microscales.54 Especially in biomedical research, NMRs have received much attention over the past twenty years because of their excellent capabilities and great potential in various applications, including on-demand drug delivery, gene and cell transport, and precise microsurgery. Reports published in recent years show that synthetic nano/microrobots have promising potential to function in the gastrointestinal (GI) region, particularly in terms of drug delivery. These tiny robots were able to be designed in such a way that they propel in their surroundings (biological media) with high speed, load cargo (drug) efficiently, transport it safely, and release upon request successfully. Their propulsion, retention, distribution, and toxicity in the GI tract of mice has been evaluated. The results envisage that such nano/microrobots can be further modified and developed as a new-generation treatment of GI tract diseases. In this minireview, we focus on the functionality of micro/nanorobots as a biomedical treatment system for stomach/intestinal diseases. We review the research progress from the first in vivo report in December 2014 to the latest in August 2021. Then, we discuss the treatment difficulties and challenges in vivo application (in general) and possible future development routes.
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53
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Chen S, Chen Y, Fu M, Cao Q, Wang B, Chen W, Ma X. Active Nanomotors Surpass Passive Nanomedicines: Current Progress and Challenges. J Mater Chem B 2022; 10:7099-7107. [DOI: 10.1039/d2tb00556e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Artificial nanomotors show advantages over traditional nanomedicines in biomedical applications due to their active locomotion by converting various energy sources into mechanical force in situ. Currently, nanomotors have attracted wide...
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Ye Y, Tong F, Wang S, Jiang J, Gao J, Liu L, Liu K, Wang F, Wang Z, Ou J, Chen B, Wilson DA, Tu Y, Peng F. Apoptotic Tumor DNA Activated Nanomotor Chemotaxis. NANO LETTERS 2021; 21:8086-8094. [PMID: 34559543 DOI: 10.1021/acs.nanolett.1c02441] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Inspired by the tactic organisms in Nature that can self-direct their movement following environmental stimulus gradient, we proposed a DNase functionalized Janus nanoparticle (JNP) nanomotor system for the first time, which can be powered by ultralow nM to μM levels of DNA. The system exhibited interesting chemotactic behavior toward a DNA richer area, which is physiologically related with many diseases including tumors. In the presence of the subtle DNA gradient generated by apoptotic tumor cells, the cargo loaded nanomotors were able to sense the DNA signal released by the cells and demonstrate directional motion toward tumor cells. For our system, the subtle DNA gradient by a small amount (10 μL) of tumor cells is sufficient to induce the chemotaxis behavior of self-navigating and self-targeting ability of our nanomotor system, which promises to shed new light for tumor diagnosis and therapy.
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Affiliation(s)
- Yicheng Ye
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Fei Tong
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Shuanghu Wang
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Jiamiao Jiang
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Junbin Gao
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Lu Liu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Kun Liu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Fei Wang
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Zhen Wang
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Juanfeng Ou
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Bin Chen
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Daniela A Wilson
- Institute for Molecules and Materials, Radboud University, Nijmegen, 6525 AJ, The Netherlands
| | - Yingfeng Tu
- School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Screening, Southern Medical University, Guangzhou 510515, China
| | - Fei Peng
- School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
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55
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Llacer-Wintle J, Rivas-Dapena A, Chen XZ, Pellicer E, Nelson BJ, Puigmartí-Luis J, Pané S. Biodegradable Small-Scale Swimmers for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2102049. [PMID: 34480388 DOI: 10.1002/adma.202102049] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/14/2021] [Indexed: 06/13/2023]
Abstract
Most forms of biomatter are ephemeral, which means they transform or deteriorate after a certain time. From this perspective, implantable healthcare devices designed for temporary treatments should exhibit the ability to degrade and either blend in with healthy tissues, or be cleared from the body with minimal disruption after accomplishing their designated tasks. This topic is currently being investigated in the field of biomedical micro- and nanoswimmers. These tiny devices have the ability to move through fluids by converting physical or chemical energy into motion. Several architectures of these devices have been designed to mimic the motion strategies of nature's motile microorganisms and cells. Due to their motion abilities, these devices have been proposed as minimally invasive tools for precision healthcare applications. Hence, a natural progression in this field is to produce motile structures that can adopt, or even surpass, similar transient features as biological systems. The fate of small-scale swimmers after accomplishing their therapeutic mission is critical for the successful translation of small-scale swimmers' technologies into clinical applications. In this review, recent research efforts are summarized on the topic of biodegradable micro- and nanoswimmers for biomedical applications, with a focus on targeted therapeutic delivery.
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Affiliation(s)
- Joaquin Llacer-Wintle
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Zurich, CH-8092, Switzerland
| | - Antón Rivas-Dapena
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Zurich, CH-8092, Switzerland
| | - Xiang-Zhong Chen
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Zurich, CH-8092, Switzerland
| | - Eva Pellicer
- Departament de Física, Universitat Autònoma de Barcelona, Bellaterra (Cerdanyola del Vallès), Barcelona, 08193, Spain
| | - Bradley J Nelson
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Zurich, CH-8092, Switzerland
| | - Josep Puigmartí-Luis
- Departament de Ciència dels Materials i Química Física, Institut de Química Teòrica I Computacional, Barcelona, 08028, Spain
- ICREA, Pg. Lluís Companys 23, Barcelona, 0 8010, Spain
| | - Salvador Pané
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Zurich, CH-8092, Switzerland
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56
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Duan S, Xu P, Wang W. Better fuels for photocatalytic micromotors: a case study of triethanolamine. Chem Commun (Camb) 2021; 57:9902-9905. [PMID: 34494625 DOI: 10.1039/d1cc03857e] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Efficient fuels are critical for designing photocatalytic micromotors with high performance. We discover that 0.5 mM of triethanolamine can power TiO2-Pt motors at 35 μm s-1 without producing bubbles, a significant improvement over conventional fuels such as water, H2O2 or hydroquinone. The effectiveness of hole scavengers such as triethanolamine can be generalized to other photocatalytic micromotors containing a heterojunction with an n-type (but not a p-type) semiconductor.
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Affiliation(s)
- Shifang Duan
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China.
| | - Pengzhao Xu
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China.
| | - Wei Wang
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China.
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57
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Bayraktaroğlu M, Jurado-Sánchez B, Uygun M. Peroxidase driven micromotors for dynamic bioremediation. JOURNAL OF HAZARDOUS MATERIALS 2021; 418:126268. [PMID: 34098261 DOI: 10.1016/j.jhazmat.2021.126268] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/08/2021] [Accepted: 05/28/2021] [Indexed: 06/12/2023]
Abstract
Phenolics are size products present in tons concentrations in industrial wastewater that can cause adverse health effects when released in the environment. As such, there is a growing interest in the development of efficient strategies for the removal of phenolic compounds from polluted water. Herein we describe the use of poly(3,4-ethylenedioxythiophene) (PEDOT)-Au/peroxidase micromotors as dynamic biocatalytic platforms for the removal of model phenolics (phenol, bisphenol A, guaiacol, pyrogallol and catechol). Micromotors are synthetized by using a simplified template electrodeposition protocol followed by covalent enzyme immobilization in the inner Au layer. Kinetic parameters revealed that enzyme immobilization in the inner micromotor layer increased over 2-fold the enzymatic activity, along with increasing operational pH and thermal stabilities. The micromotors can propel at speed of up to 60 µm/s, generating an enhanced fluid mixing that results in removal efficiencies of up to 60% as compared with the 27% removal when using free peroxidase under the same conditions. In addition, excellent activities of almost 100% were obtained within ten cycles of removal using the micromotors. This newly developed bioremediation strategy holds considerable promise in for its application in large scale water treatment systems and many relevant environmental processes.
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Affiliation(s)
- Melis Bayraktaroğlu
- Adnan Menderes University, Faculty of Science and Arts, Department of Chemistry, Aydın, Turkey
| | - Beatriz Jurado-Sánchez
- Universidad de Alcalá, Departmento de Química Analítica, Química Física e Ingeniería Química, Alcala de Henares, Madrid, Spain
| | - Murat Uygun
- Adnan Menderes University, Faculty of Science and Arts, Department of Chemistry, Aydın, Turkey; Adnan Menderes University, Nanotechnology Application and Research Center, Aydın, Turkey.
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58
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Ressnerova A, Novotny F, Michalkova H, Pumera M, Adam V, Heger Z. Efficient Protein Transfection by Swarms of Chemically Powered Plasmonic Virus-Sized Nanorobots. ACS NANO 2021; 15:12899-12910. [PMID: 34282903 DOI: 10.1021/acsnano.1c01172] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Transfection is based on nonviral delivery of nucleic acids or proteins into cells. Viral approaches are being used; nevertheless, their translational capacity is nowadays decreasing due to persistent fear of their safety, therefore creating space for the field of nanotechnology. However, nanomedical approaches introducing static nanoparticles for the delivery of biologically active molecules are very likely to be overshadowed by the vast potential of nanorobotics. We hereby present a rapid nonviral transfection of protein into a difficult-to-transfect prostate cancer cell line facilitated by chemically powered rectangular virus-sized (68 nm × 33 nm) nanorobots. The enhanced diffusion of these biocompatible nanorobots is the key to their fast internalization into cells, happening in a matter of minutes and being up to 6-fold more efficient compared to static nanorobots in a nonfueled environment. The Au/Ag plasmonic nature of these nanorobots makes them simply traceable and allows for their detailed subcellular localization. Protein transfection mediated by such nanorobots is an important step forward, challenging the field of nanomedicine and having potential in future translational medical research.
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Affiliation(s)
- Alzbeta Ressnerova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic
| | - Filip Novotny
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, University of Chemistry and Technology, Technicka 5, CZ-166 28 Prague, Czech Republic
| | - Hana Michalkova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic
| | - Martin Pumera
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, University of Chemistry and Technology, Technicka 5, CZ-166 28 Prague, Czech Republic
- Center for Nanorobotics and Machine Intelligence, Department of Food Technology, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Department of Medical Research, China Medical University Hospital, China Medical University, No. 91 Hsueh-Shih Road, 40402 Taichung, Taiwan
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, 03722 Seoul, Korea
- Future Energy and Innovation Lab, Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic
| | - Zbynek Heger
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Purkynova 123, CZ-612 00 Brno, Czech Republic
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59
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Lyu X, Liu X, Zhou C, Duan S, Xu P, Dai J, Chen X, Peng Y, Cui D, Tang J, Ma X, Wang W. Active, Yet Little Mobility: Asymmetric Decomposition of H 2O 2 Is Not Sufficient in Propelling Catalytic Micromotors. J Am Chem Soc 2021; 143:12154-12164. [PMID: 34339185 DOI: 10.1021/jacs.1c04501] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A popular principle in designing chemical micromachines is to take advantage of asymmetric chemical reactions such as the catalytic decomposition of H2O2. Contrary to intuition, we use Janus micromotors half-coated with platinum (Pt) or catalase as an example to show that this ingredient is not sufficient in powering a micromotor into self-propulsion. In particular, by annealing a thin Pt film on a SiO2 microsphere, the resulting microsphere half-decorated with discrete Pt nanoparticles swims ∼80% more slowly than its unannealed counterpart in H2O2, even though they both catalytically produce comparable amounts of oxygen. Similarly, SiO2 microspheres half-functionalized with the enzyme catalase show negligible self-propulsion despite high catalytic activity toward decomposing H2O2. In addition to highlighting how surface morphology of a catalytic cap enables/disables a chemical micromotor, this study offers a refreshed perspective in understanding how chemistry powers nano- and microscopic objects (or not): our results are consistent with a self-electrophoresis mechanism that emphasizes the electrochemical decomposition of H2O2 over nonelectrochemical pathways. More broadly, our finding is a critical piece of the puzzle in understanding and designing nano- and micromachines, in developing capable model systems of active colloids, and in relating enzymes to active matter.
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Affiliation(s)
- Xianglong Lyu
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Xiaoxia Liu
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China.,Sauvage Laboratory for Smart Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Chao Zhou
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Shifang Duan
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Pengzhao Xu
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Jia Dai
- Department of Chemistry, The University of Hong Kong, Hong Kong 999077, China
| | - Xiaowen Chen
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Yixin Peng
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Donghao Cui
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
| | - Jinyao Tang
- Department of Chemistry, The University of Hong Kong, Hong Kong 999077, China.,State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong 999077, China
| | - Xing Ma
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China.,Sauvage Laboratory for Smart Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China.,Shenzhen Bay Laboratory, No. 9 Duxue Road, Shenzhen 518055, China
| | - Wei Wang
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, Guangdong 518055, China
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60
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Xu D, Hu J, Pan X, Sánchez S, Yan X, Ma X. Enzyme-Powered Liquid Metal Nanobots Endowed with Multiple Biomedical Functions. ACS NANO 2021; 15:11543-11554. [PMID: 34181392 DOI: 10.1021/acsnano.1c01573] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Catalytically powered micro/nanobots (MNBs) can perform active movement by harnessing energy from in situ chemical reactions and show tremendous potential in biomedical applications. However, the development of imageable MNBs that are driven by bioavailable fuels and possess multiple therapeutic functions remains challenging. To resolve such issues, we herein propose enzyme (urease) powered liquid metal (LM) nanobots that are naturally of multiple therapeutic functions and imaging signals. The main body of the nanobot is composed of a biocompatible LM nanoparticle encapsulated by polydopamine (PDA). Urease enzyme needed for the powering and desired drug molecules, e.g., cefixime trihydrate antibiotic, are grafted on external surfaces of the PDA shell. Such a chemical composition endows the nanobots with dual-mode ultrasonic (US) and photoacoustic (PA) imaging signals and favorable photothermal effect. These LM nanobots exhibit positive chemotaxis and therefore can be collectively guided along a concentration gradient of urea for targeted transportation. When exposed to NIR light, the LM nanobots would deform and complete the function change from active drug carriers to photothermal reagents, to achieve synergetic antibacterial treatment by both photothermal and chemotherapeutic effects. The US and PA properties of the LM nanoparticle can be used to not only track and monitor the active movement of the nanobots in a microfluidic vessel model but also visualize their dynamics in the bladder of a living mouse in vivo. To conclude, the LM nanobots demonstrated herein represent a proof-of-concept therapeutic nanosystem with multiple biomedical functionalities, providing a feasible tool for preclinical studies and clinical trials of MNB-based imaging-guided therapy.
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Affiliation(s)
- Dandan Xu
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
- Shenzhen Bay Laboratory, No. 9 Duxue Road, Shenzhen 518055, China
| | - Jing Hu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361005, China
| | - Xi Pan
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
- Shenzhen Bay Laboratory, No. 9 Duxue Road, Shenzhen 518055, China
| | - Samuel Sánchez
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, Barcelona 08010, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, Barcelona 08028, Spain
| | - Xiaohui Yan
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361005, China
| | - Xing Ma
- Sauvage Laboratory for Smart Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
- Shenzhen Bay Laboratory, No. 9 Duxue Road, Shenzhen 518055, China
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Xu K, Xu S, Wei F. Recent progress in magnetic applications for micro- and nanorobots. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2021; 12:744-755. [PMID: 34367858 PMCID: PMC8313977 DOI: 10.3762/bjnano.12.58] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/06/2021] [Indexed: 06/13/2023]
Abstract
In recent years, magnetic micro- and nanorobots have been developed and extensively used in many fields. Actuated by magnetic fields, micro- and nanorobots can achieve controllable motion, targeted transportation of cargo, and energy transmission. The proper use of magnetic fields is essential for the further research and development of micro- and nanorobotics. In this article, recent progress in magnetic applications in the field of micro- and nanorobots is reviewed. First, the achievements of manufacturing micro- and nanorobots by incorporating different magnetic nanoparticles, such as diamagnetic, paramagnetic, and ferromagnetic materials, are discussed in detail, highlighting the importance of a rational use of magnetic materials. Then the innovative breakthroughs of using different magnetoelectric devices and magnetic drive structures to improve the micro- and nanorobots are reviewed. Finally, based on the biofriendliness and the precise and stable performance of magnetic micro- and nanorobots in microbial environments, some future challenges are outlined, and the prospects of magnetic applications for micro- and nanorobots are presented.
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Affiliation(s)
- Ke Xu
- School of Information & Control Engineering, Shenyang Jianzhu University, Shenyang, China
| | - Shuang Xu
- School of Information & Control Engineering, Shenyang Jianzhu University, Shenyang, China
| | - Fanan Wei
- School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
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62
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Ramos-Docampo MA, Brodszkij E, Ceccato M, Foss M, Folkjær M, Lock N, Städler B. Surface polymerization induced locomotion. NANOSCALE 2021; 13:10035-10043. [PMID: 34037649 DOI: 10.1039/d1nr01465j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Nano- and micromotors are self-navigating particles that gain locomotion using fuel from the environment or external power sources to outperform Brownian motion. Herein, motors that make use of surface polymerization of hydroxyethylmethylacrylate to gain locomotion are reported, synthetically mimicking microorganisms' way of propulsion. These motors have enhanced Brownian motion with effective diffusion coefficients up to ∼0.5 μm2 s-1 when mesoporous Janus particles are used. Finally, indication of swarming is observed when high numbers of motors homogenously coated with atom-transfer radical polymerization initiators are used, while high-density Janus motors lost their ability to exhibit enhanced Brownian motion. This report illustrates an alternative route to self-propelled particles, employing a polymerization process that has the potential to be applied for various purposes benefiting from the tool box of modern polymer chemistry.
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Affiliation(s)
- Miguel A Ramos-Docampo
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark.
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Noh W, Jo S, Kim J, Lee TS. Visible-Light-Driven Asymmetric TiO 2-Based Photocatalytic Micromotor Hybridized with a Conjugated Polyelectrolyte and Glucose Oxidase. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:6301-6310. [PMID: 33982566 DOI: 10.1021/acs.langmuir.1c00729] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We fabricated a TiO2-based micromotor that was asymmetrically decorated with a water-soluble conjugated polymer (WSP) on one hemisphere and glucose oxidase (GOx) on the opposite hemisphere. The WSP, which had photocatalytic activity for H2O2 decomposition, enabled motion of the micromotor under visible light. The GOx on the other hemisphere of the micromotor decomposed glucose to produce H2O2 and enabled motion of the micromotor without light irradiation. In addition, WSP and GOx were attached to TiO2 by chemical bonds, providing stability during use. As a result, the micromotor could move by self-generating H2O2 for its own fuel by consuming glucose even without photoirradiation. The micromotor could move faster than without visible light irradiation through the synergistic decomposition of glucose and H2O2 under visible light by the diffusiophoretic mechanism with a speed of 7.49 μm/s.
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Affiliation(s)
- Wonho Noh
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon 34134, Korea
| | - Seonyoung Jo
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon 34134, Korea
| | - Juang Kim
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon 34134, Korea
| | - Taek Seung Lee
- Organic and Optoelectronic Materials Laboratory, Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University, Daejeon 34134, Korea
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64
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Shandilya E, Dasgupta B, Maiti S. Interconnectivity between Surface Reactivity and Self-Assembly of Kemp Elimination Catalyzing Nanorods. Chemistry 2021; 27:7831-7836. [PMID: 33769607 DOI: 10.1002/chem.202100450] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Indexed: 11/08/2022]
Abstract
Understanding the fundamental facts behind dynamicity of catalytic processes has been a longstanding quest across disciplines. Herein, we report self-assembly of catalytically active gold nanorods that can be regulated by tuning its reactivity towards a proton transfer reaction at different pH. Unlike substrate-induced templating and co-operativity, the enhanced aggregation rate is due to alteration of catalytic surface charge only during reactivity as negatively charged transition state of reactant (5-nitrobenzisoxazole) is formed on positively charged nanorod while undergoing a concerted E2-pathway. Herein, enhanced diffusivity during catalytic processes might also act as an additional contributing factor. Furthermore, we have also shown that nanosized hydrophobic cavities of clustered nanorods can also efficiently accelerate the rate of an aromatic nucleophilic substitution reaction, which also demonstrates a catalytic phenomenon that can lead to cascading of other reactions where substrates and products of the starting reactions are not directly involved.
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Affiliation(s)
- Ekta Shandilya
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Manauli, 140306, India
| | - Basundhara Dasgupta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Manauli, 140306, India
| | - Subhabrata Maiti
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Manauli, 140306, India
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65
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Robotics for enzyme technology: innovations and technological perspectives. Appl Microbiol Biotechnol 2021; 105:4089-4097. [PMID: 33970318 DOI: 10.1007/s00253-021-11302-1] [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: 12/12/2020] [Revised: 04/09/2021] [Accepted: 04/17/2021] [Indexed: 10/21/2022]
Abstract
The use of robotics in the life science sector has created a considerable and significant impact on a wide range of research areas, including enzyme technology due to their immense applications in enzyme and microbial engineering as an indispensable tool in high-throughput screening applications. Scientists are experiencing the advanced applications of various biological robots (nanobots), fabricated based on bottom-up or top-down approaches for making nanotechnology scaffolds. Nanobots and enzyme-powered nanomotors are particularly attractive because they are self-propelled vehicles, which consume biocompatible fuels. These smart nanostructures are widely used as drug delivery systems for the efficient treatment of various diseases. This review gives insights into the escalating necessity of robotics and nanobots and their ever-widening applications in enzyme technology, including biofuel production and biomedical applications. It also offers brief insights into high-throughput robotic platforms that are currently being used in enzyme screening applications for monitoring and control of microbial growth conditions. KEY POINTS: • Robotics and their applications in biotechnology are highlighted. • Robotics for high-throughput enzyme screening and microbial engineering are described. • Nanobots and enzyme-powered nanomotors as controllable drug delivery systems are reviewed.
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66
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Kutorglo EM, Elashnikov R, Rimpelova S, Ulbrich P, Říhová Ambrožová J, Svorcik V, Lyutakov O. Polypyrrole-Based Nanorobots Powered by Light and Glucose for Pollutant Degradation in Water. ACS APPLIED MATERIALS & INTERFACES 2021; 13:16173-16181. [PMID: 33787203 DOI: 10.1021/acsami.0c20055] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Novel photoactive and enzymatically active nanomotors were developed for efficient organic pollutant degradation. The developed preparation route is simple and scalable. Light-absorbing polypyrrole nanoparticles were equipped with a bi-enzyme [glucose oxidase/catalase (GOx/Cat)] system enabling the simultaneous utilization of light and glucose as energy sources for jet-induced nanoparticle movement and active radical production. The GOx utilizes glucose to produce hydrogen peroxide, which is subsequently degraded by Cat, resulting in the generation of active radicals and/or oxygen bubbles that propel the particles. Uneven grafting of GOx/Cat molecules on the nanoparticle surface ensures inhomogeneity of peroxide creation/degradation, providing the nanomotor random propelling. The nanomotors were tested for their ability to degrade chlorophenol, under various experimental conditions, that is, with and without simulated sunlight illumination or glucose addition. In all cases, degradation was accelerated by the presence of the self-propelled nanoparticles or light illumination. Light-induced heating also positively affects enzymatic activity, further accelerating nanomotor diffusion and pollutant degradation. In fact, the chemical and photoactivities of the nanoparticles led to more than 95% removal of chlorophenol in 1 h, without any external stirring. Finally, the quality of the purified water and the extent of pollutant removal were checked using an eco-toxicological assay, with demonstrated significant synergy between glucose pumping and sunlight illumination.
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Affiliation(s)
- Edith Mawunya Kutorglo
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic
| | - Roman Elashnikov
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic
| | - Silvie Rimpelova
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, 16628 Prague, Czech Republic
| | - Pavel Ulbrich
- Department of Biochemistry and Microbiology, University of Chemistry and Technology, 16628 Prague, Czech Republic
| | - Jana Říhová Ambrožová
- Department of Water Technology and Environmental Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic
| | - Vaclav Svorcik
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic
| | - Oleksiy Lyutakov
- Department of Solid State Engineering, University of Chemistry and Technology, 16628 Prague, Czech Republic
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67
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Vilela D, Blanco-Cabra N, Eguskiza A, Hortelao AC, Torrents E, Sanchez S. Drug-Free Enzyme-Based Bactericidal Nanomotors against Pathogenic Bacteria. ACS APPLIED MATERIALS & INTERFACES 2021; 13:14964-14973. [PMID: 33769023 PMCID: PMC8478280 DOI: 10.1021/acsami.1c00986] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The low efficacy of current conventional treatments for bacterial infections increases mortality rates worldwide. To alleviate this global health problem, we propose drug-free enzyme-based nanomotors for the treatment of bacterial urinary-tract infections. We develop nanomotors consisting of mesoporous silica nanoparticles (MSNPs) that were functionalized with either urease (U-MSNPs), lysozyme (L-MSNPs), or urease and lysozyme (M-MSNPs), and use them against nonpathogenic planktonic Escherichia coli. U-MSNPs exhibited the highest bactericidal activity due to biocatalysis of urea into NaHCO3 and NH3, which also propels U-MSNPs. In addition, U-MSNPs in concentrations above 200 μg/mL were capable of successfully reducing 60% of the biofilm biomass of a uropathogenic E. coli strain. This study thus provides a proof-of-concept, demonstrating that enzyme-based nanomotors are capable of fighting infectious diseases. This approach could potentially be extended to other kinds of diseases by selecting appropriate biomolecules.
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Affiliation(s)
- Diana Vilela
- Smart
nano-bio-devices, Institute for Bioengineering
of Catalonia (IBEC), The Barcelona Institute of Science and Technology
(BIST), Baldiri Reixac 10-12, 08028 Barcelona Spain
| | - Nuria Blanco-Cabra
- Bacterial
infections: antimicrobial therapies, Institute
for Bioengineering of Catalonia (IBEC), The Barcelona Institute of
Science and Technology (BIST), Baldiri Reixac 10-12, 08028 Barcelona Spain
| | - Ander Eguskiza
- Smart
nano-bio-devices, Institute for Bioengineering
of Catalonia (IBEC), The Barcelona Institute of Science and Technology
(BIST), Baldiri Reixac 10-12, 08028 Barcelona Spain
| | - Ana C. Hortelao
- Smart
nano-bio-devices, Institute for Bioengineering
of Catalonia (IBEC), The Barcelona Institute of Science and Technology
(BIST), Baldiri Reixac 10-12, 08028 Barcelona Spain
| | - Eduard Torrents
- Bacterial
infections: antimicrobial therapies, Institute
for Bioengineering of Catalonia (IBEC), The Barcelona Institute of
Science and Technology (BIST), Baldiri Reixac 10-12, 08028 Barcelona Spain
- Microbiology
Section, Department of Genetics, Microbiology and Statistics Faculty
of Biology, University of Barcelona, 643 Diagonal Ave., 08028 Barcelona, Spain
| | - Samuel Sanchez
- Smart
nano-bio-devices, Institute for Bioengineering
of Catalonia (IBEC), The Barcelona Institute of Science and Technology
(BIST), Baldiri Reixac 10-12, 08028 Barcelona Spain
- Institució
Catalana de Recerca i Estudis Avancats (ICREA), Pg. Lluís Companys 23, 08010 Barcelona, Spain
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Abstract
![]()
Manipulation and navigation of micro
and nanoswimmers in different
fluid environments can be achieved by chemicals, external fields,
or even motile cells. Many researchers have selected magnetic fields
as the active external actuation source based on the advantageous
features of this actuation strategy such as remote and spatiotemporal
control, fuel-free, high degree of reconfigurability, programmability,
recyclability, and versatility. This review introduces fundamental
concepts and advantages of magnetic micro/nanorobots (termed here
as “MagRobots”) as well as basic knowledge of magnetic
fields and magnetic materials, setups for magnetic manipulation, magnetic
field configurations, and symmetry-breaking strategies for effective
movement. These concepts are discussed to describe the interactions
between micro/nanorobots and magnetic fields. Actuation mechanisms
of flagella-inspired MagRobots (i.e., corkscrew-like motion and traveling-wave
locomotion/ciliary stroke motion) and surface walkers (i.e., surface-assisted
motion), applications of magnetic fields in other propulsion approaches,
and magnetic stimulation of micro/nanorobots beyond motion are provided
followed by fabrication techniques for (quasi-)spherical, helical,
flexible, wire-like, and biohybrid MagRobots. Applications of MagRobots
in targeted drug/gene delivery, cell manipulation, minimally invasive
surgery, biopsy, biofilm disruption/eradication, imaging-guided delivery/therapy/surgery,
pollution removal for environmental remediation, and (bio)sensing
are also reviewed. Finally, current challenges and future perspectives
for the development of magnetically powered miniaturized motors are
discussed.
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Affiliation(s)
- Huaijuan Zhou
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Carmen C Mayorga-Martinez
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic
| | - Salvador Pané
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Tannenstrasse 3, 8092 Zurich, Switzerland
| | - Li Zhang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong 999077, China
| | - Martin Pumera
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technicka 5, 166 28 Prague 6, Czech Republic.,Department of Medical Research, China Medical University Hospital, China Medical University, No. 91 Hsueh-Shih Road, Taichung 40402, Taiwan.,Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic.,Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea.,Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, Brno CZ-612 00, Czech Republic
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69
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Mestre R, Patiño T, Sánchez S. Biohybrid robotics: From the nanoscale to the macroscale. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2021; 13:e1703. [PMID: 33533200 DOI: 10.1002/wnan.1703] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/17/2020] [Accepted: 01/10/2021] [Indexed: 12/11/2022]
Abstract
Biohybrid robotics is a field in which biological entities are combined with artificial materials in order to obtain improved performance or features that are difficult to mimic with hand-made materials. Three main level of integration can be envisioned depending on the complexity of the biological entity, ranging from the nanoscale to the macroscale. At the nanoscale, enzymes that catalyze biocompatible reactions can be used as power sources for self-propelled nanoparticles of different geometries and compositions, obtaining rather interesting active matter systems that acquire importance in the biomedical field as drug delivery systems. At the microscale, single enzymes are substituted by complete cells, such as bacteria or spermatozoa, whose self-propelling capabilities can be used to transport cargo and can also be used as drug delivery systems, for in vitro fertilization practices or for biofilm removal. Finally, at the macroscale, the combinations of millions of cells forming tissues can be used to power biorobotic devices or bioactuators by using muscle cells. Both cardiac and skeletal muscle tissue have been part of remarkable examples of untethered biorobots that can crawl or swim due to the contractions of the tissue and current developments aim at the integration of several types of tissue to obtain more realistic biomimetic devices, which could lead to the next generation of hybrid robotics. Tethered bioactuators, however, result in excellent candidates for tissue models for drug screening purposes or the study of muscle myopathies due to their three-dimensional architecture. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Nanotechnology Approaches to Biology > Nanoscale Systems in Biology.
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Affiliation(s)
- Rafael Mestre
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain
| | - Tania Patiño
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.,Chemistry Department, University of Rome, Rome, Italy
| | - Samuel Sánchez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain.,School of Materials Science and Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, China
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70
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Wang B, Kostarelos K, Nelson BJ, Zhang L. Trends in Micro-/Nanorobotics: Materials Development, Actuation, Localization, and System Integration for Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2002047. [PMID: 33617105 DOI: 10.1002/adma.202002047] [Citation(s) in RCA: 167] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 08/24/2020] [Indexed: 05/23/2023]
Abstract
Micro-/nanorobots (m-bots) have attracted significant interest due to their suitability for applications in biomedical engineering and environmental remediation. Particularly, their applications in in vivo diagnosis and intervention have been the focus of extensive research in recent years with various clinical imaging techniques being applied for localization and tracking. The successful integration of well-designed m-bots with surface functionalization, remote actuation systems, and imaging techniques becomes the crucial step toward biomedical applications, especially for the in vivo uses. This review thus addresses four different aspects of biomedical m-bots: design/fabrication, functionalization, actuation, and localization. The biomedical applications of the m-bots in diagnosis, sensing, microsurgery, targeted drug/cell delivery, thrombus ablation, and wound healing are reviewed from these viewpoints. The developed biomedical m-bot systems are comprehensively compared and evaluated based on their characteristics. The current challenges and the directions of future research in this field are summarized.
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Affiliation(s)
- Ben Wang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Kostas Kostarelos
- Nanomedicine Lab, Faculty of Biology, Medicine & Health, The University of Manchester, AV Hill Building, Manchester, M13 9PT, UK
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), Campus UAB, Bellaterra, Barcelona, Spain
| | - Bradley J Nelson
- Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, Tannenstrasse 3, Zurich, CH-8092, Switzerland
| | - Li Zhang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
- CUHK T Stone Robotics Institute, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
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71
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Affiliation(s)
- Steve Pressé
- Department of Physics, Arizona State University, Tempe, AZ 85287;
- School of Molecular Sciences, Arizona State University, Tempe, AZ 85287
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72
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Yuan H, Liu X, Wang L, Ma X. Fundamentals and applications of enzyme powered micro/nano-motors. Bioact Mater 2020; 6:1727-1749. [PMID: 33313451 PMCID: PMC7711193 DOI: 10.1016/j.bioactmat.2020.11.022] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 12/22/2022] Open
Abstract
Micro/nanomotors (MNMs) are miniaturized machines that can convert many kinds of energy into mechanical motion. Over the past decades, a variety of driving mechanisms have been developed, which have greatly extended the application scenarios of MNMs. Enzymes exist in natural organisms which can convert chemical energy into mechanical force. It is an innovative attempt to utilize enzymes as biocatalyst providing driving force for MNMs. The fuels for enzymatic reactions are biofriendly as compared to traditional counterparts, which makes enzyme-powered micro/nanomotors (EMNMs) of great value in biomedical field for their nature of biocompatibility. Until now, EMNMs with various shapes can be propelled by catalase, urease and many others. Also, they can be endowed with multiple functionalities to accomplish on-demand tasks. Herein, combined with the development process of EMNMs, we are committed to present a comprehensive understanding of EMNMs, including their types, propelling principles, and potential applications. In this review, we will introduce single enzyme that can be used as motor, enzyme powered molecule motors and other micro/nano-architectures. The fundamental mechanism of energy conversion process of EMNMs and crucial factors that affect their movement behavior will be discussed. The current progress of proof-of-concept applications of EMNMs will also be elaborated in detail. At last, we will summarize and prospect the opportunities and challenges that EMNMs will face in their future development. Clear classification and description of different enzyme-powered micro/nanomotors (EMNMs). Discussion of the fundamental mechanism of energy conversion process of EMNMs and their movement influence factors. Introduction of the current progress of proof-of-concept applications of EMNMs.
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Affiliation(s)
- Hao Yuan
- Flexible Printed Electronic Technology Center and School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Xiaoxia Liu
- Flexible Printed Electronic Technology Center and School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Liying Wang
- Flexible Printed Electronic Technology Center and School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Xing Ma
- Flexible Printed Electronic Technology Center and School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China.,Shenzhen Bay Laboratory, No. 9 Duxue Road, Shenzhen, 518055, China.,Key Laboratory of Microsystems and Microstructures Manufacturing, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
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73
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Xing Y, Du X, Xu T, Zhang X. Janus dendritic silica/carbon@Pt nanomotors with multiengines for H 2O 2, near-infrared light and lipase powered propulsion. SOFT MATTER 2020; 16:9553-9558. [PMID: 32969461 DOI: 10.1039/d0sm01355b] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Hybrid micro/nanomotors with multiple distinct propulsion modes are expected to improve their motion ability in complex body fluids. Herein, we report a multi-stimuli propelled Janus lipase-modified dendritic silica/carbon@Pt (DMS/C@Pt) nanomotor with built-in engines for hybrid propulsions of H2O2, light, and enzyme. The enhanced motion of the DMS/C@Pt nanomotor is achieved under the stimulus of H2O2 that produces an oxygen concentration gradient derived from the asymmetric catalysis of Pt nanoparticles. Irradiated with near-infrared (NIR) light, the uneven photothermal effect of the carbon part propels this nanomotor by self-thermophoresis. Besides, lipase is efficiently loaded into the dendritic pores, which decomposes triglyceride on the silica part and induces self-diffusiophoretic propulsion. These multiple propulsions shed light on the rational integration of various functional building blocks into one micro/nanomotor for complex tasks in biomedical applications.
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Affiliation(s)
- Yi Xing
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China.
| | - Xin Du
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China.
| | - Tailin Xu
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China.
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, Department of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing 100083, China.
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74
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Terzopoulou A, Nicholas JD, Chen XZ, Nelson BJ, Pané S, Puigmartí-Luis J. Metal–Organic Frameworks in Motion. Chem Rev 2020; 120:11175-11193. [DOI: 10.1021/acs.chemrev.0c00535] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Anastasia Terzopoulou
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092 Zurich, Switzerland
| | - James D. Nicholas
- Institute for Chemical and Bioengineering, ETH Zurich, Vladimir-Prelog-Weg 1, CH-8093 Zurich, Switzerland
- Departament de Ciència dels Materials i Química Física, Institut de Química Teòrica i Computacional, 08028 Barcelona, Spain
| | - Xiang-Zhong Chen
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092 Zurich, Switzerland
| | - Bradley J. Nelson
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092 Zurich, Switzerland
| | - Salvador Pané
- Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, CH-8092 Zurich, Switzerland
| | - Josep Puigmartí-Luis
- Institute for Chemical and Bioengineering, ETH Zurich, Vladimir-Prelog-Weg 1, CH-8093 Zurich, Switzerland
- Departament de Ciència dels Materials i Química Física, Institut de Química Teòrica i Computacional, 08028 Barcelona, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
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75
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Shen H, Zheng X, Zhou Z, He W, Li M, Su P, Song J, Yang Y. Oriented immobilization of enzyme-DNA conjugates on magnetic Janus particles for constructing a multicompartment multienzyme system with high activity and stability. J Mater Chem B 2020; 8:8467-8475. [PMID: 32812630 DOI: 10.1039/d0tb01439g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Various organelles (e.g., mitochondria and chloroplasts) have a multicompartment structure, providing superior function of material transformation, selective segregation and energy conversion. Enlightened by the elegant evolution of nature, intended isolation of the biochemical process by cooperative multicompartments in cells has become an appealing blueprint to construct bioreactors. In this study, we develop a "soft separation" way to establish a delicate multicompartment multienzyme system (MMS) with polyphenol-encapsulated enzyme-DNA conjugates, which are anchored on magnetic Janus particles, providing a biomimetic catalysis network with the model cascade reactions in confinement. The well-designed MMS exhibits preferable bioactivity benefitting from the dependable DNA bridges and the oriented immobilization of enzymes, while the polyphenol shell further protects the anchored enzymes from exterior attacks, such as heat and enzymatic degradation. Moreover, by applying the MMS as nanomotors, the asymmetrical distribution of enzymes on Janus particles is found to improve mutual elevation between the self-driven locomotion and enzyme-mediated reactions, delivering enhanced dispersal ability and bioactivity. Owing to the excellent enzymatic activity, promoted stability and satisfying biocompatibility, the assembled MMS is proved to be promising for the in vitro and intracellular sensing of glucose, showing significant potential for biochemical analysis applications.
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Affiliation(s)
- Hao Shen
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Xuelian Zheng
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Zixin Zhou
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Wenting He
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Mengqi Li
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Ping Su
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Jiayi Song
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
| | - Yi Yang
- Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China.
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76
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Wang L, Marciello M, Estévez‐Gay M, Soto Rodriguez PED, Luengo Morato Y, Iglesias‐Fernández J, Huang X, Osuna S, Filice M, Sánchez S. Enzyme Conformation Influences the Performance of Lipase‐powered Nanomotors. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008339] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Lei Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Baldiri i Reixac 10–12 08028 Barcelona Spain
| | - Marzia Marciello
- Nanobiotechnology for Life Sciences Lab Department of Chemistry in Pharmaceutical Sciences Faculty of Pharmacy Universidad Complutense de Madrid (UCM) Plaza Ramón y Cajal 28040 Madrid Spain
| | - Miquel Estévez‐Gay
- Compbiolab Group Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química Universitat de Girona Carrer Maria Aurelia Capmany 69 17003 Girona Spain
| | - Paul E. D. Soto Rodriguez
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Baldiri i Reixac 10–12 08028 Barcelona Spain
| | - Yurena Luengo Morato
- Nanobiotechnology for Life Sciences Lab Department of Chemistry in Pharmaceutical Sciences Faculty of Pharmacy Universidad Complutense de Madrid (UCM) Plaza Ramón y Cajal 28040 Madrid Spain
| | - Javier Iglesias‐Fernández
- Compbiolab Group Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química Universitat de Girona Carrer Maria Aurelia Capmany 69 17003 Girona Spain
| | - Xin Huang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
| | - Sílvia Osuna
- Compbiolab Group Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química Universitat de Girona Carrer Maria Aurelia Capmany 69 17003 Girona Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
| | - Marco Filice
- Nanobiotechnology for Life Sciences Lab Department of Chemistry in Pharmaceutical Sciences Faculty of Pharmacy Universidad Complutense de Madrid (UCM) Plaza Ramón y Cajal 28040 Madrid Spain
- Microscopy and Dynamic Imaging Unit Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) Calle Melchor Fernandez Almagro 3 28029 Madrid Spain
| | - Samuel Sánchez
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Baldiri i Reixac 10–12 08028 Barcelona Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
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77
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Wang L, Marciello M, Estévez‐Gay M, Soto Rodriguez PED, Luengo Morato Y, Iglesias‐Fernández J, Huang X, Osuna S, Filice M, Sánchez S. Enzyme Conformation Influences the Performance of Lipase‐powered Nanomotors. Angew Chem Int Ed Engl 2020; 59:21080-21087. [DOI: 10.1002/anie.202008339] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/23/2020] [Indexed: 01/06/2023]
Affiliation(s)
- Lei Wang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Baldiri i Reixac 10–12 08028 Barcelona Spain
| | - Marzia Marciello
- Nanobiotechnology for Life Sciences Lab Department of Chemistry in Pharmaceutical Sciences Faculty of Pharmacy Universidad Complutense de Madrid (UCM) Plaza Ramón y Cajal 28040 Madrid Spain
| | - Miquel Estévez‐Gay
- Compbiolab Group Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química Universitat de Girona Carrer Maria Aurelia Capmany 69 17003 Girona Spain
| | - Paul E. D. Soto Rodriguez
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Baldiri i Reixac 10–12 08028 Barcelona Spain
| | - Yurena Luengo Morato
- Nanobiotechnology for Life Sciences Lab Department of Chemistry in Pharmaceutical Sciences Faculty of Pharmacy Universidad Complutense de Madrid (UCM) Plaza Ramón y Cajal 28040 Madrid Spain
| | - Javier Iglesias‐Fernández
- Compbiolab Group Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química Universitat de Girona Carrer Maria Aurelia Capmany 69 17003 Girona Spain
| | - Xin Huang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical Engineering Harbin Institute of Technology Harbin 150001 China
| | - Sílvia Osuna
- Compbiolab Group Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química Universitat de Girona Carrer Maria Aurelia Capmany 69 17003 Girona Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
| | - Marco Filice
- Nanobiotechnology for Life Sciences Lab Department of Chemistry in Pharmaceutical Sciences Faculty of Pharmacy Universidad Complutense de Madrid (UCM) Plaza Ramón y Cajal 28040 Madrid Spain
- Microscopy and Dynamic Imaging Unit Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) Calle Melchor Fernandez Almagro 3 28029 Madrid Spain
| | - Samuel Sánchez
- Institute for Bioengineering of Catalonia (IBEC) The Barcelona Institute of Science and Technology (BIST) Baldiri i Reixac 10–12 08028 Barcelona Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA) Pg. Lluís Companys 23 08010 Barcelona Spain
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78
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79
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Venugopalan PL, Esteban-Fernández de Ávila B, Pal M, Ghosh A, Wang J. Fantastic Voyage of Nanomotors into the Cell. ACS NANO 2020; 14:9423-9439. [PMID: 32701260 DOI: 10.1021/acsnano.0c05217] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Richard Feynman's 1959 vision of controlling devices at small scales and swallowing the surgeon has inspired the science-fiction Fantastic Voyage film and has played a crucial role in the rapid development of the microrobotics field. Sixty years later, we are currently witnessing a dramatic progress in this field, with artificial micro- and nanoscale robots moving within confined spaces, down to the cellular level, and performing a wide range of biomedical applications within the cellular interior while addressing the limitations of common passive nanosystems. In this review article, we discuss key recent advances in the field of micro/nanomotors toward important cellular applications. Specifically, we outline the distinct capabilities of nanoscale motors for such cellular applications and illustrate how the active movement of nanomotors leads to distinct advantages of rapid cell penetration, accelerated intracellular sensing, and effective intracellular delivery toward enhanced therapeutic efficiencies. We finalize by discussing the future prospects and key challenges that such micromotor technology face toward implementing practical intracellular applications. By increasing our knowledge of nanomotors' cell entry and of their behavior within the intracellular space, and by successfully addressing key challenges, we expect that next-generation nanomotors will lead to exciting advances toward cell-based diagnostics and therapy.
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Affiliation(s)
- Pooyath Lekshmy Venugopalan
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | | | - Malay Pal
- Centre for Nano Science and Engineering, Indian Institute of Science, Bengaluru 560012, India
| | - Ambarish Ghosh
- Centre for Nano Science and Engineering, Department of Physics, Indian Institute of Science, Bengaluru 560012, India
| | - Joseph Wang
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
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80
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Arqué X, Andrés X, Mestre R, Ciraulo B, Ortega Arroyo J, Quidant R, Patiño T, Sánchez S. Ionic Species Affect the Self-Propulsion of Urease-Powered Micromotors. RESEARCH 2020; 2020:2424972. [PMID: 32803169 PMCID: PMC7404610 DOI: 10.34133/2020/2424972] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 06/17/2020] [Indexed: 11/18/2022]
Abstract
Enzyme-powered motors self-propel through the catalysis of in situ bioavailable fuels, which makes them excellent candidates for biomedical applications. However, fundamental issues like their motion in biological fluids and the understanding of the propulsion mechanism are critical aspects to be tackled before a future application in biomedicine. Herein, we investigated the physicochemical effects of ionic species on the self-propulsion of urease-powered micromotors. Results showed that the presence of PBS, NaOH, NaCl, and HEPES reduced self-propulsion of urease-powered micromotors pointing towards ion-dependent mechanisms of motion. We studied the 3D motion of urease micromotors using digital holographic microscopy to rule out any motor-surface interaction as the cause of motion decay when salts are present in the media. In order to protect and minimize the negative effect of ionic species on micromotors' performance, we coated the motors with methoxypolyethylene glycol amine (mPEG) showing higher speed compared to noncoated motors at intermediate ionic concentrations. These results provide new insights into the mechanism of urease-powered micromotors, study the effect of ionic media, and contribute with potential solutions to mitigate the reduction of mobility of enzyme-powered micromotors.
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Affiliation(s)
- Xavier Arqué
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, 08028 Barcelona, Spain
| | - Xavier Andrés
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, 08028 Barcelona, Spain
| | - Rafael Mestre
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, 08028 Barcelona, Spain
| | - Bernard Ciraulo
- Institute of Photonic Sciences (ICFO), The Barcelona Institute of Science and Technology, Carl Friedrich Gauss 3, 08860 Castelldefels, Barcelona, Spain
| | - Jaime Ortega Arroyo
- Institute of Photonic Sciences (ICFO), The Barcelona Institute of Science and Technology, Carl Friedrich Gauss 3, 08860 Castelldefels, Barcelona, Spain
| | - Romain Quidant
- Institute of Photonic Sciences (ICFO), The Barcelona Institute of Science and Technology, Carl Friedrich Gauss 3, 08860 Castelldefels, Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, 08010 Barcelona, Spain
| | - Tania Patiño
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, 08028 Barcelona, Spain.,Chemistry Department, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Samuel Sánchez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, 08028 Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, 08010 Barcelona, Spain
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81
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Hu M, Ge X, Chen X, Mao W, Qian X, Yuan WE. Micro/Nanorobot: A Promising Targeted Drug Delivery System. Pharmaceutics 2020; 12:E665. [PMID: 32679772 PMCID: PMC7407549 DOI: 10.3390/pharmaceutics12070665] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/10/2020] [Accepted: 07/13/2020] [Indexed: 11/16/2022] Open
Abstract
Micro/nanorobot, as a research field, has attracted interest in recent years. It has great potential in medical treatment, as it can be applied in targeted drug delivery, surgical operation, disease diagnosis, etc. Differently from traditional drug delivery, which relies on blood circulation to reach the target, the designed micro/nanorobots can move autonomously, which makes it possible to deliver drugs to the hard-to-reach areas. Micro/nanorobots were driven by exogenous power (magnetic fields, light energy, acoustic fields, electric fields, etc.) or endogenous power (chemical reaction energy). Cell-based micro/nanorobots and DNA origami without autonomous movement ability were also introduced in this article. Although micro/nanorobots have excellent prospects, the current research is mainly based on in vitro experiments; in vivo research is still in its infancy. Further biological experiments are required to verify in vivo drug delivery effects of micro/nanorobots. This paper mainly discusses the research status, challenges, and future development of micro/nanorobots.
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Affiliation(s)
- Mengyi Hu
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (M.H.); (X.C.)
| | - Xuemei Ge
- Department of Food Science and Technology, College of Light Industry Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
| | - Xuan Chen
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (M.H.); (X.C.)
| | - Wenwei Mao
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (M.H.); (X.C.)
| | - Xiuping Qian
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (M.H.); (X.C.)
| | - Wei-En Yuan
- Engineering Research Center of Cell & Therapeutic Antibody, Ministry of Education, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China; (M.H.); (X.C.)
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82
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Hermanová S, Pumera M. Biocatalytic Micro- and Nanomotors. Chemistry 2020; 26:11085-11092. [PMID: 32633441 DOI: 10.1002/chem.202001244] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/24/2020] [Indexed: 11/08/2022]
Abstract
Enzyme-powered micro- and nanomotors are tiny devices inspired by nature that utilize enzyme-triggered chemical conversion to release energy stored in the chemical bonds of a substrate (fuel) to actuate it into active motion. Compared with conventional chemical micro-/nanomotors, these devices are particularly attractive because they self-propel by utilizing biocompatible fuels, such as glucose, urea, glycerides, and peptides. They have been designed with functional material constituents to efficiently perform tasks related to active targeting, drug delivery and release, biosensing, water remediation, and environmental monitoring. Because only a small number of enzymes have been exploited as bioengines to date, a new generation of multifunctional, enzyme-powered nanorobots will emerge in the near future to selectively search for and utilize water contaminants or disease-related metabolites as fuels. This Minireview highlights recent progress in enzyme-powered micro- and nanomachines.
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Affiliation(s)
- Soňa Hermanová
- Department of Polymers, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 16628, Prague, Czech Republic.,Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 16628, Prague, Czech Republic
| | - Martin Pumera
- Center for Advanced Functional Nanorobots, Department of Inorganic Chemistry, Faculty of Chemical Technology, University of Chemistry and Technology Prague, Technická 5, 16628, Prague, Czech Republic.,Department of Medical Research, China Medical University Hospital, China Medical University, No. 91 Hsueh-Shih Road, Taichung, 40402, Taiwan.,Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, Brno, 616 00, Czech Republic.,Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
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83
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Dong RY, Zhang Y, Lou K, Granick S. Micromotor That Carries Its Own Fuel Internally. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:7701-7705. [PMID: 32571028 DOI: 10.1021/acs.langmuir.0c01486] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Micromotors enjoy burgeoning interest but a limitation of their design is to require continuous supply of new fuel. The preponderance of extant micromotors depend, for their motion, on irradiation by light or exposure to acid in their environment. Here we demonstrate a motor that carries its own fuel internally, in this sense representing an analogue, in micron-sized objects, of the internal combustion engine. The fuel is DPCP (diphenylcyclopropenone) microcrystal, a solid-state chemical that after ignition by UV light requires no further irradiation to sustain a chemical reaction that emits carbon monoxide gas that can be used to propel the particle on which this chemical resides. It is loaded asymmetrically onto inexpensive microparticles to produce internally fueled propulsion with speed up to ∼20 μm/s over distances up to 15 times the capsule length in water. Once ignited, the motors maintain their direction of motion and move without need for light to follow their path. Possible strategies to extend the idea beyond the current proof of concept are discussed.
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Affiliation(s)
- Ruo-Yu Dong
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, South Korea
| | - Yifan Zhang
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, South Korea
- Department of Chemistry, University of Victoria, 3800 Finnerty Road, Victoria, British Columbia V8P 5C2, Canada
| | - Kai Lou
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, South Korea
| | - Steve Granick
- Center for Soft and Living Matter, Institute for Basic Science (IBS), Ulsan 44919, South Korea
- Departments of Chemistry and Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, South Korea
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84
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Xing Y, Zhou M, Xu T, Tang S, Fu Y, Du X, Su L, Wen Y, Zhang X, Ma T. Core@Satellite Janus Nanomotors with pH‐Responsive Multi‐phoretic Propulsion. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202006421] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Yi Xing
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Mengyun Zhou
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Tailin Xu
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Songsong Tang
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Yang Fu
- Discipline of Chemistry The University of Newcastle Callaghan NSW 2308 Australia
| | - Xin Du
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Lei Su
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Yongqiang Wen
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Xueji Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Tianyi Ma
- Discipline of Chemistry The University of Newcastle Callaghan NSW 2308 Australia
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85
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Xing Y, Zhou M, Xu T, Tang S, Fu Y, Du X, Su L, Wen Y, Zhang X, Ma T. Core@Satellite Janus Nanomotors with pH‐Responsive Multi‐phoretic Propulsion. Angew Chem Int Ed Engl 2020; 59:14368-14372. [DOI: 10.1002/anie.202006421] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Indexed: 12/22/2022]
Affiliation(s)
- Yi Xing
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Mengyun Zhou
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Tailin Xu
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Songsong Tang
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Yang Fu
- Discipline of Chemistry The University of Newcastle Callaghan NSW 2308 Australia
| | - Xin Du
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Lei Su
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Yongqiang Wen
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Xueji Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology Department of Chemistry & Biological Engineering University of Science & Technology Beijing Beijing 100083 China
| | - Tianyi Ma
- Discipline of Chemistry The University of Newcastle Callaghan NSW 2308 Australia
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86
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Xu D, Wang Y, Liang C, You Y, Sanchez S, Ma X. Self-Propelled Micro/Nanomotors for On-Demand Biomedical Cargo Transportation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1902464. [PMID: 31464072 DOI: 10.1002/smll.201902464] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/25/2019] [Indexed: 06/10/2023]
Abstract
Micro/nanomotors (MNMs) are miniaturized machines that can perform assigned tasks at the micro/nanoscale. Over the past decade, significant progress has been made in the design, preparation, and applications of MNMs that are powered by converting different sources of energy into mechanical force, to realize active movement and fulfill on-demand tasks. MNMs can be navigated to desired locations with precise controllability based on different guidance mechanisms. A considerable research effort has gone into demonstrating that MNMs possess the potential of biomedical cargo loading, transportation, and targeted release to achieve therapeutic functions. Herein, the recent advances of self-propelled MNMs for on-demand biomedical cargo transportation, including their self-propulsion mechanisms, guidance strategies, as well as proof-of-concept studies for biological applications are presented. In addition, some of the major challenges and possible opportunities of MNMs are identified for future biomedical applications in the hope that it may inspire future research.
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Affiliation(s)
- Dandan Xu
- State Key Laboratory of Advanced Welding and Joining, Flexible Printed Electronic Technology Center, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Yong Wang
- State Key Laboratory of Advanced Welding and Joining, Flexible Printed Electronic Technology Center, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Chunyan Liang
- State Key Laboratory of Advanced Welding and Joining, Flexible Printed Electronic Technology Center, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Yongqiang You
- State Key Laboratory of Advanced Welding and Joining, Flexible Printed Electronic Technology Center, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
| | - Samuel Sanchez
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Pg. Lluís Companys 23, Barcelona, 08010, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, Barcelona, 08028, Spain
| | - Xing Ma
- State Key Laboratory of Advanced Welding and Joining, Flexible Printed Electronic Technology Center, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China
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87
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Mazur F, Fernández-Medina M, Gal N, Hovorka O, Chandrawati R, Städler B. Locomotion of Micromotors Due to Liposome Disintegration. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:7056-7065. [PMID: 32097021 DOI: 10.1021/acs.langmuir.9b03509] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Synthetic micromotors are evaluated extensively in a range of biomedical, microscale transport, and environmental applications. Fundamental insight into micromotors that exhibit locomotion due to triggered disintegration of their associated liposomes is provided. Directed self-propulsion is observed when the lipid vesicles are solubilized using Triton X-100 (TX) and bile at sufficiently high concentrations. Directional motion, initiated by a propagating TX or bile gradient, is found when using a sufficiently high concentration of solubilization agents. On the other hand, a low bile concentration results in short-term reverse directional motion. The experimental and theoretical considerations offer valid fundamental understanding to complement the list of explored locomotion mechanisms for micromotors.
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Affiliation(s)
- Federico Mazur
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
- School of Chemical Engineering and Australian Centre for NanoMedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Marina Fernández-Medina
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Noga Gal
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
| | - Ondrej Hovorka
- Faculty of Engineering and Physical Sciences, University of Southampton, SO16 7QF Southampton, United Kingdom
| | - Rona Chandrawati
- School of Chemical Engineering and Australian Centre for NanoMedicine (ACN), The University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Brigitte Städler
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus, Denmark
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88
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Wu Z, Chen Y, Mukasa D, Pak OS, Gao W. Medical micro/nanorobots in complex media. Chem Soc Rev 2020; 49:8088-8112. [PMID: 32596700 DOI: 10.1039/d0cs00309c] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Medical micro/nanorobots have received tremendous attention over the past decades owing to their potential to be navigated into hard-to-reach tissues for a number of biomedical applications ranging from targeted drug/gene delivery, bio-isolation, detoxification, to nanosurgery. Despite the great promise, the majority of the past demonstrations are primarily under benchtop or in vitro conditions. Many developed micro/nanoscale propulsion mechanisms are based on the assumption of a homogeneous, Newtonian environment, while realistic biological environments are substantially more complex. Moving toward practical medical use, the field of micro/nanorobotics must overcome several major challenges including propulsion through complex media (such as blood, mucus, and vitreous) as well as deep tissue imaging and control in vivo. In this review article, we summarize the recent research efforts on investigating how various complexities in biological environments impact the propulsion of micro/nanoswimmers. We also highlight the emerging technological approaches to enhance the locomotion of micro/nanorobots in complex environments. The recent demonstrations of in vivo imaging, control and therapeutic medical applications of such micro/nanorobots are introduced. We envision that continuing materials and technological innovations through interdisciplinary collaborative efforts can bring us steps closer to the fantasy of "swallowing a surgeon".
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Affiliation(s)
- Zhiguang Wu
- Andrew and Peggy Cherng Department of Medical Engineering, California Institute of Technology, Pasadena, CA, USA.
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89
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Reguera J, Flora T, Winckelmans N, Rodríguez-Cabello JC, Bals S. Self-assembly of Janus Au:Fe 3O 4 branched nanoparticles. From organized clusters to stimuli-responsive nanogel suprastructures. NANOSCALE ADVANCES 2020; 2:2525-2530. [PMID: 36133381 PMCID: PMC9417527 DOI: 10.1039/d0na00102c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/21/2020] [Indexed: 06/13/2023]
Abstract
Janus nanoparticles offer enormous possibilities through a binary selective functionalization and dual properties. Their self-assembly has attracted strong interest due to their potential as building blocks to obtain molecular colloids, supracrystals and well-organized nanostructures that can lead to new functionalities. However, this self-assembly has been focused on relatively simple symmetrical morphologies, while for complex nanostructures this process has been unexplored. Here, we study the assembly of plasmonic-magnetic Janus nanoparticles with a branched (nanostar) - sphere morphology. The branched morphology enhances their plasmonic properties in the near-infrared region and therefore their applicability, but at the same time constrains their self-assembly capabilities to obtain more organized or functional suprastructures. We describe the self-assembly of these nanoparticles after amphiphilic functionalization. The role of the nanoparticle branching, as well as the size of the polymer-coating, is explored. We show how the use of large molecular weight stabilizing polymers can overcome the anisotropy of the nanoparticles producing a change in the morphology from small clusters to larger quasi-cylindrical nanostructures. Finally, the Janus nanoparticles are functionalized with a thermo-responsive elastin-like recombinamer. These nanoparticles undergo reversible self-assembly in the presence of free polymer giving rise to nanoparticle-stabilized nanogel-like structures with controlled size, providing the possibility to expand their applicability to multi-stimuli controlled self-assembly.
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Affiliation(s)
- Javier Reguera
- BCMaterials, Basque Center for Materials, Applications and Nanostructures UPV/EHU Science Park 48940 Leioa Spain
- CIC biomaGUNE Paseo de Miramón 182 20014 Donostia-San Sebastián Spain
- Ikerbasque, Basque Foundation for Science 48013 Bilbao Spain
| | - Tatjana Flora
- BIOFORGE Lab, University of Valladolid, Edificio Lucia Paseo de Belén 19 47011 Valladolid Spain
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Ciber-BBN Spain
| | - Naomi Winckelmans
- EMAT - University of Antwerp Groenenborgerlaan 171 B-2020 Antwerp Belgium
| | - José C Rodríguez-Cabello
- BIOFORGE Lab, University of Valladolid, Edificio Lucia Paseo de Belén 19 47011 Valladolid Spain
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Ciber-BBN Spain
| | - Sara Bals
- EMAT - University of Antwerp Groenenborgerlaan 171 B-2020 Antwerp Belgium
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90
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Tang S, Zhang F, Gong H, Wei F, Zhuang J, Karshalev E, Esteban-Fernández de Ávila B, Huang C, Zhou Z, Li Z, Yin L, Dong H, Fang RH, Zhang X, Zhang L, Wang J. Enzyme-powered Janus platelet cell robots for active and targeted drug delivery. Sci Robot 2020; 5:5/43/eaba6137. [DOI: 10.1126/scirobotics.aba6137] [Citation(s) in RCA: 144] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 04/30/2020] [Indexed: 12/14/2022]
Abstract
Transforming natural cells into functional biocompatible robots capable of active movement is expected to enhance the functions of the cells and revolutionize the development of synthetic micromotors. However, present cell-based micromotor systems commonly require the propulsion capabilities of rigid motors, external fields, or harsh conditions, which may compromise biocompatibility and require complex actuation equipment. Here, we report on an endogenous enzyme-powered Janus platelet micromotor (JPL-motor) system prepared by immobilizing urease asymmetrically onto the surface of natural platelet cells. This Janus distribution of urease on platelet cells enables uneven decomposition of urea in biofluids to generate enhanced chemophoretic motion. The cell surface engineering with urease has negligible impact on the functional surface proteins of platelets, and hence, the resulting JPL-motors preserve the intrinsic biofunctionalities of platelets, including effective targeting of cancer cells and bacteria. The efficient propulsion of JPL-motors in the presence of the urea fuel greatly enhances their binding efficiency with these biological targets and improves their therapeutic efficacy when loaded with model anticancer or antibiotic drugs. Overall, asymmetric enzyme immobilization on the platelet surface leads to a biogenic microrobotic system capable of autonomous movement using biological fuel. The ability to impart self-propulsion onto biological cells, such as platelets, and to load these cellular robots with a variety of functional components holds considerable promise for developing multifunctional cell-based micromotors for a variety of biomedical applications.
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Affiliation(s)
- Songsong Tang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
- Research Center for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Fangyu Zhang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Hua Gong
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Fanan Wei
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Jia Zhuang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Emil Karshalev
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | | | - Chuying Huang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Zhidong Zhou
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Zhengxing Li
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Lu Yin
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Haifeng Dong
- Research Center for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Ronnie H. Fang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, University of Science and Technology Beijing, Beijing 100083, China
| | - Liangfang Zhang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Joseph Wang
- Department of NanoEngineering and Chemical Engineering Program, University of California San Diego, La Jolla, CA 92093, USA
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91
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Li J, Anraku Y, Kataoka K. Self‐Boosting Catalytic Nanoreactors Integrated with Triggerable Crosslinking Membrane Networks for Initiation of Immunogenic Cell Death by Pyroptosis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004180] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Junjie Li
- Innovation Center of NanoMedicine Kawasaki Institute of Industrial Promotion 3-25-14 Tonomachi Kawasaki-ku Kawasaki 210-0821 Japan
| | - Yasutaka Anraku
- Graduate School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine Kawasaki Institute of Industrial Promotion 3-25-14 Tonomachi Kawasaki-ku Kawasaki 210-0821 Japan
- Institute for Future Initiatives The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
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92
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Li J, Anraku Y, Kataoka K. Self‐Boosting Catalytic Nanoreactors Integrated with Triggerable Crosslinking Membrane Networks for Initiation of Immunogenic Cell Death by Pyroptosis. Angew Chem Int Ed Engl 2020; 59:13526-13530. [DOI: 10.1002/anie.202004180] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 05/04/2020] [Indexed: 01/11/2023]
Affiliation(s)
- Junjie Li
- Innovation Center of NanoMedicine Kawasaki Institute of Industrial Promotion 3-25-14 Tonomachi Kawasaki-ku Kawasaki 210-0821 Japan
| | - Yasutaka Anraku
- Graduate School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazunori Kataoka
- Innovation Center of NanoMedicine Kawasaki Institute of Industrial Promotion 3-25-14 Tonomachi Kawasaki-ku Kawasaki 210-0821 Japan
- Institute for Future Initiatives The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-0033 Japan
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93
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De Matteis V, Rizzello L, Cascione M, Liatsi-Douvitsa E, Apriceno A, Rinaldi R. Green Plasmonic Nanoparticles and Bio-Inspired Stimuli-Responsive Vesicles in Cancer Therapy Application. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1083. [PMID: 32486479 PMCID: PMC7353186 DOI: 10.3390/nano10061083] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 01/31/2023]
Abstract
: In the past years, there is a growing interest in the application of nanoscaled materials in cancer therapy because of their unique physico-chemical properties. However, the dark side of their usability is limited by their possible toxic behaviour and accumulation in living organisms. Starting from this assumption, the search for a green alternative to produce nanoparticles (NPs) or the discovery of green molecules, is a challenge in order to obtain safe materials. In particular, gold (Au NPs) and silver (Ag NPs) NPs are particularly suitable because of their unique physico-chemical properties, in particular plasmonic behaviour that makes them useful as active anticancer agents. These NPs can be obtained by green approaches, alternative to conventional chemical methods, owing to the use of phytochemicals, carbohydrates, and other biomolecules present in plants, fungi, and bacteria, reducing toxic effects. In addition, we analysed the use of green and stimuli-responsive polymeric bio-inspired nanovesicles, mainly used in drug delivery applications that have revolutionised the way of drugs supply. Finally, we reported the last examples on the use of metallic and Au NPs as self-propelling systems as new concept of nanorobot, which is able to respond and move towards specific physical or chemical stimuli in biological entities.
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Affiliation(s)
- Valeria De Matteis
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Via Arnesano, 73100 Lecce, Italy; (M.C.); (R.R.)
| | - Loris Rizzello
- The Barcelona Institute of Science and Technology, Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10–12, 08028 Barcelona, Spain; (L.R.); (A.A.)
- Department of Pharmaceutical Sciences, University of Milan, via Mangiagalli 25, 20133 Milano, Italy
| | - Mariafrancesca Cascione
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Via Arnesano, 73100 Lecce, Italy; (M.C.); (R.R.)
| | - Eva Liatsi-Douvitsa
- Department of Chemistry, University College London (UCL), 20 Gordon Street, London WC1H 0AJ, UK;
| | - Azzurra Apriceno
- The Barcelona Institute of Science and Technology, Institute for Bioengineering of Catalonia (IBEC), Baldiri Reixac 10–12, 08028 Barcelona, Spain; (L.R.); (A.A.)
- Department of Chemistry, University College London (UCL), 20 Gordon Street, London WC1H 0AJ, UK;
| | - Rosaria Rinaldi
- Department of Mathematics and Physics “Ennio De Giorgi”, University of Salento, Via Arnesano, 73100 Lecce, Italy; (M.C.); (R.R.)
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94
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Wang J, Toebes BJ, Plachokova AS, Liu Q, Deng D, Jansen JA, Yang F, Wilson DA. Self-Propelled PLGA Micromotor with Chemotactic Response to Inflammation. Adv Healthc Mater 2020; 9:e1901710. [PMID: 32142216 DOI: 10.1002/adhm.201901710] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 02/13/2020] [Indexed: 02/01/2023]
Abstract
Local drug delivery systems have recently been developed for multiple diseases that have the requirements of site-specific actions, prolonged delivery periods, and decreased drug dosage to reduce undesirable side effects. The challenge for such systems is to achieve directional and precise delivery in inaccessible narrow lesions, such as periodontal pockets or root canals in deeper portions of the dentinal tubules. The primary strategy to tackle this challenge is fabricating a smart tracking delivery system. Here, drug-loaded biodegradable micromotors showing self-propelled directional movement along a hydrogen peroxide concentration gradient produced by phorbol esters-stimulated macrophages are reported. The drug-loaded poly(lactic-co-glycolic acid) micromotors with asymmetric coverage of enzyme (patch-like enzyme distribution) are prepared by electrospraying and postfunctionalized with catalase via 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide coupling. Doxycycline, a common drug for the treatment of periodontal disease, is selected as a model drug, and the release study by high-performance liquid chromatography is shown that both the postfunctionalization step and the presence of hydrogen peroxide have no negative influence on drug release profiles. The movement behavior in the presence of hydrogen peroxide is confirmed by nanoparticle tracking analysis. An in vitro model is designed and confirmed the response efficiency and directional control of the micromotors toward phorbol esters-stimulated macrophages.
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Affiliation(s)
- Jiamian Wang
- Department of Dentistry – BiomaterialsRadboud University Medical Center 6525 EX Nijmegen The Netherlands
| | - B. Jelle Toebes
- Institute for Molecules and Materials Radboud University 6525 AJ Nijmegen The Netherlands
| | - Adelina S. Plachokova
- Department of Dentistry – Implantology and PeriodontologyRadboud University Medical Center 6525 EX Nijmegen The Netherlands
| | - Qian Liu
- Department of Dentistry – BiomaterialsRadboud University Medical Center 6525 EX Nijmegen The Netherlands
| | - Dongmei Deng
- Department of Preventive DentistryAcademic Center for Dentistry Amsterdam (ACTA)University of Amsterdam and VUUniversity Amsterdam 1081 LA Amsterdam The Netherlands
| | - John A. Jansen
- Department of Dentistry – BiomaterialsRadboud University Medical Center 6525 EX Nijmegen The Netherlands
| | - Fang Yang
- Department of Dentistry – BiomaterialsRadboud University Medical Center 6525 EX Nijmegen The Netherlands
| | - Daniela A. Wilson
- Institute for Molecules and Materials Radboud University 6525 AJ Nijmegen The Netherlands
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95
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Abstract
Nanotherapies based on micelles, liposomes, polymersomes, nanocapsules, magnetic nanoparticles, and noble metal nanoparticles have been at the forefront of drug delivery in the past few decades. Some of these nanopharmaceuticals have been commercially applied to treat a wide range of diseases, from dry eye syndrome to cancer. However, the majority involve particles that are passive, meaning that they do not change shape, and they lack motility; the static features can limit their therapeutic efficacy. In this review, we take a critical look at an emerging field that seeks to utilize active matter for therapeutics. In this context, active matter can be broadly referred to as micro or nanosized constructs that energetically react with their environment or external fields and translate, rotate, vibrate or change shape. Essentially, the recent literature suggests that such particles could significantly augment present-day drug delivery, by enhancing transport and increasing permeability across anatomical barriers by transporting drugs within solid tumor microenvironments or disrupting cardiovascular plaque. We discuss examples of such particles and link the transport and permeability properties of active matter to potential therapeutic applications in the context of two major diseases, namely cancer and heart disease. We also discuss potential challenges, opportunities, and translational hurdles.
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Affiliation(s)
- Arijit Ghosh
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - Weinan Xu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - Neha Gupta
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - David H. Gracias
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA
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96
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Wang J, Xiong Z, Liu M, Li XM, Zheng J, Zhan X, Ding W, Chen J, Li X, Li XD, Feng SP, Tang J. Rational Design of Reversible Redox Shuttle for Highly Efficient Light-Driven Microswimmer. ACS NANO 2020; 14:3272-3280. [PMID: 32125822 DOI: 10.1021/acsnano.9b08799] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The light-driven micro/nanomotor (LMNM) is machinery that harvests photon energy and generates self-propulsion in varieties of liquid media. Though visions are made that these tiny swimming machines can serve future medicine for accurate drug delivery and noninvasive microsurgery, their biomedical application is still impeded by the insufficient propulsion efficiency. Here we provide a holistic model of LMNM by considering (i) photovoltaic, (ii) electrochemical, and (iii) electrokinetic processes therein. Such a quantitative model revealed the pivotal role of reaction kinetics and diffusion properties of shuttle ions in the propulsion efficiency of LMNM. With the guidance of this model, a group of ferrocene-based reversible redox shuttles, which generate slow-diffusion ions, was identified, showcasing a high locomotion velocity of ∼500 μm/s (∼100 body length per second) at an ultralow concentration (70 μM). Owing to the in-depth understanding of the fundamental energy conversion processes in LMNM, we anticipate that the development of other high-performance supporting chemicals and LMNM systems will be greatly motivated, foreseeing the advent of LMNM systems with superior efficiency.
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Affiliation(s)
- Jizhuang Wang
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, P. R. China
| | - Ze Xiong
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Ming Liu
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xiao-Meng Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jing Zheng
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xiaojun Zhan
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Weiting Ding
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jianan Chen
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xuechen Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xiang David Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Shien-Ping Feng
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jinyao Tang
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- State Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
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97
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Luo M, Li S, Wan J, Yang C, Chen B, Guan J. Enhanced Propulsion of Urease-Powered Micromotors by Multilayered Assembly of Ureases on Janus Magnetic Microparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36. [PMID: 32023066 DOI: 10.1021/acs.langmuir.9b03315] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Enzyme-powered micro/nanomotors propelled by biocompatible fuels generally show a weak propulsive force, which greatly limits their applications in complex biological environments. Herein, we have developed a novel and versatile approach to significantly enhance the propulsion of enzyme-powered micromotors by multilayered assembly of enzymes. As an example, multilayers of biotinylated ureases (BU) were asymmetrically immobilized on biotinylated Janus Au/magnetic microparticles (MMPs) with the assistance of streptavidin (SA). When the mass ratio of BU into SA and the amount of BU used in the assembly process are increased, the amount of urease immobilized on the biotinylated Janus Au/MMPs increased monotonously while the migration speed of the micromotor was augmented gradually until a saturated value. The as-optimized micromotors can be self-propelled with an average speed up to about 21.5 ± 0.8 μm/s at physiological urea concentrations (10 mM), which is five times faster than that of the monolayered counterparts and two times faster than that of the previously reported values. Owing to the enhanced thrust, the micromotors can move in liquids with viscosities similar to that of blood. In addition, with the inherent magnetic property of MMPs, the micromotors can exhibit fast magnetic separation and controllable motion direction by external magnetic fields. Our results provide a new pathway for designing high-efficient enzyme-powered micro/nanomotors and thereby promote their biomedical applications.
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Affiliation(s)
- Ming Luo
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering , Wuhan University of Technology , Wuhan 430070 , P. R. China
| | - Shouli Li
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering , Wuhan University of Technology , Wuhan 430070 , P. R. China
| | - Jieshuo Wan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering , Wuhan University of Technology , Wuhan 430070 , P. R. China
| | - Chenglin Yang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering , Wuhan University of Technology , Wuhan 430070 , P. R. China
| | - Beidi Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering , Wuhan University of Technology , Wuhan 430070 , P. R. China
| | - Jianguo Guan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, International School of Materials Science and Engineering , Wuhan University of Technology , Wuhan 430070 , P. R. China
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98
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Mathesh M, Sun J, Wilson DA. Enzyme catalysis powered micro/nanomotors for biomedical applications. J Mater Chem B 2020; 8:7319-7334. [DOI: 10.1039/d0tb01245a] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review provides insights on enzyme powered motors using fuels present in biological environments for biomedical applications.
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Affiliation(s)
- Motilal Mathesh
- Institute of Molecules and Materials
- Radboud University
- Nijmegen
- The Netherlands
| | - Jiawei Sun
- Institute of Molecules and Materials
- Radboud University
- Nijmegen
- The Netherlands
| | - Daniela A. Wilson
- Institute of Molecules and Materials
- Radboud University
- Nijmegen
- The Netherlands
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99
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Li H, Sun Z, Jiang S, Lai X, Böckler A, Huang H, Peng F, Liu L, Chen Y. Tadpole-like Unimolecular Nanomotor with Sub-100 nm Size Swims in a Tumor Microenvironment Model. NANO LETTERS 2019; 19:8749-8757. [PMID: 31671944 DOI: 10.1021/acs.nanolett.9b03456] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Inspired by the natural motors capable of performing multiple tasks in complex living environments, synthetic nanomotors emerge as a potential vehicle for revolutionizing biomedical processes. Yet current motors suffer from decreased and even completely hindered motion in a complex physiological environment, shadowing the future of this booming field. To address this problem, a unimolecular nanomotor based on molecular bottlebrush (MBB) of sub-100 nm size is reported. This motor is constructed precisely via controlled radical polymerization and click chemistry and propelled with biocompatible catalase. Such a molecular nanomotor possesses tadpole-like asymmetry and is able to overcome Brownian motion, and demonstrates strong directional propulsion (linear and coiled cyclic trajectories) in a viscous tumor microenvironment gel model at an ultralow hydrogen peroxide level of 2 mM (0.006%). In addition, the molecular nanomotor exhibits superior stability in serum containing cell medium and good biocompatibility in blood. Such molecular bottlebrush based nanomotors may represent a unique platform for overcoming the tissue penetration barrier.
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Affiliation(s)
- Huaan Li
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Ziyang Sun
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Suqiu Jiang
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Xinyi Lai
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Andreas Böckler
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Huahua Huang
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Fei Peng
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Lixin Liu
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Yongming Chen
- School of Materials Science and Engineering, and Center of Functional Biomaterials, Key Laboratory of Polymeric Composite Materials and Functional Materials of Ministry of Education, GD Research Center for Functional Biomaterials Engineering and Technology , Sun Yat-sen University , Guangzhou 510275 , China
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100
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Gao C, Zhou C, Lin Z, Yang M, He Q. Surface Wettability-Directed Propulsion of Glucose-Powered Nanoflask Motors. ACS NANO 2019; 13:12758-12766. [PMID: 31621286 DOI: 10.1021/acsnano.9b04708] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Chemically driven colloidal motors capable of implementing different movements under a common environment are of great importance for various complex tasks. However, the key parameters underlying different motion behaviors are incompletely understood. Here, we demonstrate that carbonaceous nanoflask (CNF) motors move spontaneously in glucose powered by the cascade reaction of glucose oxidase and catalase, and their directional propulsion can be premeditated by controlling the surface wettability of nanomotors. The hydrophilic CNF motors move from the round-bottom to the opening neck (backward), whereas the hydrophobic CNF motors swim from the opening neck to the round-bottom (forward). We demonstrate that the backward motion of the hydrophilic CNF motors is driven by the local glucose gradient due to self-diffusiophoresis, and the forward movement of the hydrophobic CNF motors is caused by the locally produced glucose acid gradient. The fluid simulation reveals that the hydrophilic and hydrophobic CNF motors correspond to the puller and pusher models, respectively. Our study offers a minimal strategy to manipulate the direction of motion of motors for specific applications and to change the hydrodynamic behaviors of glucose-powered motors.
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Affiliation(s)
- Changyong Gao
- Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Micro/Nanotechnology Research Centre , Harbin Institute of Technology , Yi Kuang Jie 2 , Harbin 150080 , China
| | - Chang Zhou
- Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Micro/Nanotechnology Research Centre , Harbin Institute of Technology , Yi Kuang Jie 2 , Harbin 150080 , China
| | - Zhihua Lin
- Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Micro/Nanotechnology Research Centre , Harbin Institute of Technology , Yi Kuang Jie 2 , Harbin 150080 , China
| | - Mingcheng Yang
- Beijing National Laboratory for Condensed Matter Physics and Key Laboratory of Soft Matter Physics , Institute of Physics, Chinese Academy of Sciences , Beijing 100190 , China
| | - Qiang He
- Key Laboratory of Microsystems and Microstructures Manufacturing, Ministry of Education, Micro/Nanotechnology Research Centre , Harbin Institute of Technology , Yi Kuang Jie 2 , Harbin 150080 , China
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