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Luo Y, Zhang Q, Wang Q, Liu Z, Duan L, Cao W, Cao Z, Han C. Highly sensitive gold nanoparticles-modified silver nanorod arrays for determination of methyl viologen. Mikrochim Acta 2022; 189:479. [DOI: 10.1007/s00604-022-05590-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 11/23/2022] [Indexed: 11/29/2022]
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Lee JM, Devaraj V, Jeong NN, Lee Y, Kim YJ, Kim T, Yi SH, Kim WG, Choi EJ, Kim HM, Chang CL, Mao C, Oh JW. Neural mechanism mimetic selective electronic nose based on programmed M13 bacteriophage. Biosens Bioelectron 2021; 196:113693. [PMID: 34700263 DOI: 10.1016/j.bios.2021.113693] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/30/2021] [Accepted: 10/02/2021] [Indexed: 01/03/2023]
Abstract
The electronic nose is a reliable practical sensor device that mimics olfactory organs. Although numerous studies have demonstrated excellence in detecting various target substances with the help of ideal models, biomimetic approaches still suffer in practical realization because of the inability to mimic the signal processing performed by olfactory neural systems. Herein, we propose an electronic nose based on the programable surface chemistry of M13 bacteriophage, inspired by the neural mechanism of the mammalian olfactory system. The neural pattern separation (NPS) was devised to apply the pattern separation that operates in the memory and learning process of the brain to the electronic nose. We demonstrate an electronic nose in a portable device form, distinguishing polycyclic aromatic compounds (harmful in living environment) in an atomic-level resolution (97.5% selectivity rate) for the first time. Our results provide practical methodology and inspiration for the second-generation electronic nose development toward the performance of detection dogs (K9).
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Affiliation(s)
- Jong-Min Lee
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea; School of Nano Convergence Technology, Hallym University, Chuncheon, Gangwon-do, 24252, South Korea
| | - Vasanthan Devaraj
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea
| | - Na-Na Jeong
- Department of Public Health Science, Graduate School of Korea University, Seoul, 02841, South Korea
| | - Yujin Lee
- Department of Nano Fusion Technology, Pusan National University, Busan, 46241, South Korea
| | - Ye-Ji Kim
- Department of Nano Fusion Technology, Pusan National University, Busan, 46241, South Korea
| | - Taehyeong Kim
- Finance·Fishery·Manufacture Industrial Mathematics Center on Big Data and Department of Mathematics, Pusan National University, Busan, 46241, South Korea
| | - Seung Heon Yi
- Finance·Fishery·Manufacture Industrial Mathematics Center on Big Data and Department of Mathematics, Pusan National University, Busan, 46241, South Korea
| | - Won-Geun Kim
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea
| | - Eun Jung Choi
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea
| | - Hyun-Min Kim
- Finance·Fishery·Manufacture Industrial Mathematics Center on Big Data and Department of Mathematics, Pusan National University, Busan, 46241, South Korea.
| | - Chulhun L Chang
- Department of Laboratory Medicine, College of Medicine, Pusan National University, Yangsan, 50612, South Korea.
| | - Chuanbin Mao
- Department of Chemistry and Biochemistry, University of Oklahoma, Norman, OK, 73019, United States.
| | - Jin-Woo Oh
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea; Department of Nano Fusion Technology, Pusan National University, Busan, 46241, South Korea.
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Lee JM, Lee Y, Devaraj V, Nguyen TM, Kim YJ, Kim YH, Kim C, Choi EJ, Han DW, Oh JW. Investigation of colorimetric biosensor array based on programable surface chemistry of M13 bacteriophage towards artificial nose for volatile organic compound detection: From basic properties of the biosensor to practical application. Biosens Bioelectron 2021; 188:113339. [PMID: 34030096 DOI: 10.1016/j.bios.2021.113339] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/10/2021] [Accepted: 05/11/2021] [Indexed: 12/20/2022]
Abstract
Various threats such as explosives, drugs, environmental hormones, and spoiled food manifest themselves with the presence of volatile organic compounds (VOCs) in our environment. In order to recognize and respond to these threats early, the demand for highly sensitive and selective electronic noses is increasing. The M13 bacteriophage-based optoelectronic nose is an excellent candidate to meet all these requirements. However, the phage-based electronic nose is still in its infancy, and strategies that include a systematic approach and development are still essential. Here, we have integrated theoretical and experimental approaches to analyze the correlation between the surface chemistry of genetically engineered phage and the phage-based optoelectronic nose properties. The reactivity of the genetically engineered phage color film to some VOCs were quantitatively analyzed, and the correlation with the binding affinity value calculated by Density-functional theory (DFT) was compared. This demonstrates that phage color films have controllable reactivity through a genetic engineering. We have selected phages that are advantageous in distinguishing each VOCs in this work through hierarchical cluster analysis (HCA). The reason for this difference was verified through the optimized geometry calculated by DFT. Through this, it was confirmed that the tryptophan-based and the Histidine-based of genetically engineered phage film are important in distinguishing the VOCs (Y-hexanolactone, 2-isopropyl-4-methylthiazole, ethanol, acetone, ethyl acetate, and acetaldehyde) used in this work to evaluate the peach freshness quality. This was applied to the design of a field-applied phage-based optoelectronic nose and verified by measuring the freshness of the actual fruit.
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Affiliation(s)
- Jong-Min Lee
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea
| | - Yujin Lee
- Department of Nano Fusion Technology, Pusan National University, Busan, 46241, Republic of Korea
| | - Vasanthan Devaraj
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea
| | - Thanh Mien Nguyen
- Department of Nano Fusion Technology, Pusan National University, Busan, 46241, Republic of Korea
| | - Ye-Ji Kim
- Department of Nano Fusion Technology, Pusan National University, Busan, 46241, Republic of Korea
| | - You Hwan Kim
- Department of Nanoenergy Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Chuntae Kim
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea
| | - Eun Jung Choi
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea.
| | - Dong-Wook Han
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea; Department of Cogno-Mechatronics Engineering, Pusan National University, Busan, 46241, Republic of Korea.
| | - Jin-Woo Oh
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, Republic of Korea; Department of Nano Fusion Technology, Pusan National University, Busan, 46241, Republic of Korea; Department of Nanoenergy Engineering, Pusan National University, Busan, 46241, Republic of Korea.
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Abstract
The diversity of advanced genetic engineering techniques that have become available in recent years has enabled a more precise manipulation of genes and genomes. Among these, bacteriophage genomes stand out as an interesting target due to their dependence on a host for replication, which previously complicated their manipulation, and due as well to the many possible fields in which they can be used. In this review, we highlight recent applications for which genetically modified bacteriophages are being employed: as phage therapy in medicine, animal industries and agricultural settings; as a source of new antimicrobials; as biosensors for research, health and environmental purposes; and as genetic engineering tools themselves.
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Affiliation(s)
| | - Hiroki Ando
- Department of Microbiology, Graduate School of Medicine, Gifu University
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Devaraj V, Jeong H, Kim C, Lee J, Oh J. Modifying Plasmonic-Field Enhancement and Resonance Characteristics of Spherical Nanoparticles on Metallic Film: Effects of Faceting Spherical Nanoparticle Morphology. Coatings 2019; 9:387. [DOI: 10.3390/coatings9060387] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A three-dimensional finite-difference time-domain study of the plasmonic structure of nanoparticles on metallic film (NPOM) is presented in this work. An introduction to nanoparticle (NP) faceting in the NPOM structure produced a variety of complex transverse cavity modes, which were labeled S11 to S13. We observed that the dominant S11 mode resonance could be tuned to the desired wavelength within a broadband range of ~800 nm, with a maximum resonance up to ~1.42 µm, as a function of NP facet width. Despite being tuned at the broad spectral range, the S11 mode demonstrated minimal decrease in its near field enhancement characteristics, which can be advantageous for surface-enhanced spectroscopy applications and device fabrication perspectives. The identification of mode order was interpreted using cross-sectional electric field profiles and three-dimensional surface charge mapping. We realized larger local field enhancement in the order of ~109, even for smaller NP diameters of 50 nm, as function of the NP faceting effect. The number of radial modes were dependent upon the combination of NP diameter and faceting length. We hope that, by exploring the sub-wavelength complex optical properties of the plasmonic structures of NPOM, a variety of exciting applications will be revealed in the fields of sensors, non-linear optics, device engineering/processing, broadband tunable plasmonic devices, near-infrared plasmonics, and surface-enhanced spectroscopy.
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