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Luo L, Manda S, Park Y, Demir B, Sanchez J, Anantram MP, Oren EE, Gopinath A, Rolandi M. DNA nanopores as artificial membrane channels for bioprotonics. Nat Commun 2023; 14:5364. [PMID: 37666808 PMCID: PMC10477224 DOI: 10.1038/s41467-023-40870-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 08/14/2023] [Indexed: 09/06/2023] Open
Abstract
Biological membrane channels mediate information exchange between cells and facilitate molecular recognition. While tuning the shape and function of membrane channels for precision molecular sensing via de-novo routes is complex, an even more significant challenge is interfacing membrane channels with electronic devices for signal readout, which results in low efficiency of information transfer - one of the major barriers to the continued development of high-performance bioelectronic devices. To this end, we integrate membrane spanning DNA nanopores with bioprotonic contacts to create programmable, modular, and efficient artificial ion-channel interfaces. Here we show that cholesterol modified DNA nanopores spontaneously and with remarkable affinity span the lipid bilayer formed over the planar bio-protonic electrode surface and mediate proton transport across the bilayer. Using the ability to easily modify DNA nanostructures, we illustrate that this bioprotonic device can be programmed for electronic recognition of biomolecular signals such as presence of Streptavidin and the cardiac biomarker B-type natriuretic peptide, without modifying the biomolecules. We anticipate this robust interface will allow facile electronic measurement and quantification of biomolecules in a multiplexed manner.
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Affiliation(s)
- Le Luo
- Department of Electrical and Computer Engineering, Jack Baskin School of Engineering, University of California, Santa Cruz, Santa Cruz, CA, 95064, USA
| | - Swathi Manda
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
| | - Yunjeong Park
- Department of Electrical and Computer Engineering, Jack Baskin School of Engineering, University of California, Santa Cruz, Santa Cruz, CA, 95064, USA
| | - Busra Demir
- Bionanodesign Laboratory, Department of Biomedical Engineering, TOBB University of Economics and Technology, Ankara, 06560, Turkey
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara, 06560, Turkey
- Department of Electrical and Computer Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Jesse Sanchez
- Department of Electrical and Computer Engineering, Jack Baskin School of Engineering, University of California, Santa Cruz, Santa Cruz, CA, 95064, USA
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR, 97331, USA
| | - M P Anantram
- Department of Electrical and Computer Engineering, University of Washington, Seattle, WA, 98195, USA
| | - Ersin Emre Oren
- Bionanodesign Laboratory, Department of Biomedical Engineering, TOBB University of Economics and Technology, Ankara, 06560, Turkey
- Department of Materials Science and Nanotechnology Engineering, TOBB University of Economics and Technology, Ankara, 06560, Turkey
| | - Ashwin Gopinath
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA.
| | - Marco Rolandi
- Department of Electrical and Computer Engineering, Jack Baskin School of Engineering, University of California, Santa Cruz, Santa Cruz, CA, 95064, USA.
- UC Santa Cruz Genomics Institute, University of California Santa Cruz, Santa Cruz, CA, 95060, USA.
- Institute for the Biology of Stem Cells, University of California Santa Cruz, Santa Cruz, CA, 95064, USA.
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The Electrical Conductivity and Mechanical Properties of Monolayer and Multilayer Nanofibre Membranes from Different Fillers: Calculated Based on Parallel Circuit. Polymers (Basel) 2022; 14:polym14225048. [PMID: 36433173 PMCID: PMC9697373 DOI: 10.3390/polym14225048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/13/2022] [Accepted: 11/15/2022] [Indexed: 11/24/2022] Open
Abstract
Advanced research on improving the performance of conductive polymer composites is essential to exploring their potential in various applications. Thus, in this study, the electrical conductivity of multilayer nanofibre membranes composed of polyvinyl alcohol (PVA) with different electroconductive fillers content including zinc oxide (ZnO), multiwalled carbon nanotubes (MWNTs), and Ferro ferric oxide (Fe3O4), were produced via electrospinning. The tensile property and electrical conductivity of monolayer membranes were explored. The results showed that PVA with 2 wt.% MWNTs nanofibre membrane has the best conductivity (1.0 × 10-5 S/cm) and tensile strength (29.36 MPa) compared with other fillers. Meanwhile, the combination of multilayer membrane ZnO/Fe3O4/Fe3O4/MWNTs/ZnO showed the highest conductivity (1.39 × 10-5 S/cm). The parallel circuit and calculation of parallel resistance were attempted to demonstrate the conductive mechanism of multilayer membranes, which can predict the conductivity of other multilayer films. The production of multilayer composites that enhance electrical conductivity and improve conductive predictions was successfully explored.
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Man T, Lai W, Xiao M, Wang X, Chandrasekaran AR, Pei H, Li L. A versatile biomolecular detection platform based on photo-induced enhanced Raman spectroscopy. Biosens Bioelectron 2019; 147:111742. [PMID: 31672389 DOI: 10.1016/j.bios.2019.111742] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/19/2019] [Accepted: 09/28/2019] [Indexed: 12/25/2022]
Abstract
Surface-enhanced Raman spectroscopy (SERS) as one of the effective tools for sensitive and selective detection of biomolecules has attracted tremendous attention. Here, we construct a versatile biomolecular detection platform based on photo-induced enhanced Raman spectroscopy (PIERS) effect for ultrasensitive detection of multiple analytes. In our PIERS sensor, we exploit the molecular recognition capacity of aptamers and the high affinity of aptamers with analyte to trigger TiO2@AgNP substrates binding with Raman tag-labeled gold nanoparticles probes via analyte, thus forming sandwich complexes. Additionally, combining plasmonic nanoparticles with photo-activated substrates allows PIERS sensor to achieve increased sensitivity beyond the normal SERS effect upon ultraviolet irradiation. Accordingly, the PIERS can be implemented for analysis of multiple analytes by designing different analyte aptamers, and we further demonstrate that the constructed PIERS sensor can serve as a versatile detection platform for sensitively analyzing various biomolecules including small molecules (adenosine triphosphate (ATP), limit of detection (LOD) of 0.1 nM), a biomarker (thrombin, LOD of 50 pM), and a drug (cocaine, LOD of 5 nM). Therefore, this versatile biomolecular detection platform based on PIERS effect for ultrasensitive detection of multiple analytes holds great promise to be a practical tool.
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Affiliation(s)
- Tiantian Man
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China
| | - Wei Lai
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China
| | - Mingshu Xiao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China
| | - Xiwei Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China
| | | | - Hao Pei
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China
| | - Li Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, PR China.
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Low ZWK, Li Z, Owh C, Chee PL, Ye E, Kai D, Yang DP, Loh XJ. Using Artificial Skin Devices as Skin Replacements: Insights into Superficial Treatment. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1805453. [PMID: 30690897 DOI: 10.1002/smll.201805453] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Indexed: 06/09/2023]
Abstract
Artificial skin devices are able to mimic the flexibility and sensory perception abilities of the skin. They have thus garnered attention in the biomedical field as potential skin replacements. This Review delves into issues pertaining to these skin-deep devices. It first elaborates on the roles that these devices have to fulfill as skin replacements, and identify strategies that are used to achieve such functionality. Following which, a comparison is done between the current state of these skin-deep devices and that of natural skin. Finally, an outlook on artificial skin devices is presented, which discusses how complementary technologies can create skin enhancements, and what challenges face such devices.
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Affiliation(s)
- Zhi Wei Kenny Low
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
| | - Zibiao Li
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Cally Owh
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
| | - Pei Lin Chee
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
| | - Enyi Ye
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Dan Kai
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
| | - Da-Peng Yang
- College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou, 362000, Fujian Province, China
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, 2 Fusionopolis Way, Innovis, #08-03, Singapore, 138634, Singapore
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore, 117576, Singapore
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Ramirez P, Cervera J, Gomez V, Ali M, Nasir S, Ensinger W, Mafe S. Optimizing Energy Transduction of Fluctuating Signals with Nanofluidic Diodes and Load Capacitors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1702252. [PMID: 28960903 DOI: 10.1002/smll.201702252] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 07/28/2017] [Indexed: 06/07/2023]
Abstract
The design and experimental implementation of hybrid circuits is considered allowing charge transfer and energy conversion between nanofluidic diodes in aqueous ionic solutions and conventional electronic elements such as capacitors. The fundamental concepts involved are reviewed for the case of fluctuating zero-average external potentials acting on single pore and multipore membranes. This problem is relevant to electrochemical energy conversion and storage, the stimulus-response characteristics of nanosensors and actuators, and the estimation of the accumulative effects caused by external signals on biological ion channels. Half-wave and full-wave voltage doublers and quadruplers can scale up the transduction between ionic and electronic signals. The network designs discussed here should be useful to convert the weak signals characteristic of the micro and nanoscale into robust electronic responses by interconnecting iontronics and electronic elements.
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Affiliation(s)
- Patricio Ramirez
- Departament de Física Aplicada, Universitat Politécnica de València, E-46022, València, Spain
| | - Javier Cervera
- Departament de Física de la Terra i Termodinàmica, Universitat de València, E-46100, Burjassot, Spain
| | - Vicente Gomez
- Departament de Física Aplicada, Universitat Politécnica de València, E-46022, València, Spain
| | - Mubarak Ali
- Department of Material- and Geo-Sciences, Technische Universität Darmstadt, D-64287, Darmstadt, Germany
- Materials Research Department, GSI Helmholtzzentrum für Schwerionenforschung, D-64291, Darmstadt, Germany
| | - Saima Nasir
- Department of Material- and Geo-Sciences, Technische Universität Darmstadt, D-64287, Darmstadt, Germany
| | - Wolfgang Ensinger
- Department of Material- and Geo-Sciences, Technische Universität Darmstadt, D-64287, Darmstadt, Germany
| | - Salvador Mafe
- Departament de Física de la Terra i Termodinàmica, Universitat de València, E-46100, Burjassot, Spain
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Chen L, Chao J, Qu X, Zhang H, Zhu D, Su S, Aldalbahi A, Wang L, Pei H. Probing Cellular Molecules with PolyA-Based Engineered Aptamer Nanobeacon. ACS APPLIED MATERIALS & INTERFACES 2017; 9:8014-8020. [PMID: 28221021 DOI: 10.1021/acsami.6b16764] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Adenosine triphosphate (ATP) is a central metabolite that is of critical importance in many cellular processes. The development of sensitive and selective methods for the detection of ATP level in vivo is crucial in diagnostic and theranostic applications. In this work, we have developed a polyA-based aptamer nanobeacon (PAaptNB) with improved efficiency and speed of ATP analysis. We found that the dissociation constants and competitive binding kinetics of the PAaptNB could be programmably regulated by adjusting the polyA length. When the polyA length reached to 30 bases, a 10 μM detection limit for ATP assay with PAaptNB can be achieved (∼10-fold improvement compared with the conventional thiol-based aptamer nanobeacon). The feasibility of the PAaptNB for in vivo assay was further demonstrated by imaging intracellular ATP molecules. This study provides a new strategy to construct high-efficiency and high-speed biosensors for cellular molecules analysis, which holds great potential in bioanalysis and theranostic applications.
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Affiliation(s)
- Lizhen Chen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University , 500 Dongchuan Road, Shanghai 200241, PR China
| | - Jie Chao
- Institute of Advanced Materials, Nanjing University of Posts and Telecommunications , Nanjing 210023, PR China
| | - Xiangmeng Qu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University , 500 Dongchuan Road, Shanghai 200241, PR China
| | - Hongbo Zhang
- Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki , FI-00014 Helsinki, Finland
| | - Dan Zhu
- Institute of Advanced Materials, Nanjing University of Posts and Telecommunications , Nanjing 210023, PR China
| | - Shao Su
- Institute of Advanced Materials, Nanjing University of Posts and Telecommunications , Nanjing 210023, PR China
| | - Ali Aldalbahi
- Chemistry Department, King Saud University , Riyadh 11451, Saudi Arabia
| | - Lianhui Wang
- Institute of Advanced Materials, Nanjing University of Posts and Telecommunications , Nanjing 210023, PR China
| | - Hao Pei
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University , 500 Dongchuan Road, Shanghai 200241, PR China
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