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Kawasaki D, Nishitsuji R, Endo T. Dealing with plasmonic crystal biosensors: Sensitivity assessment of nanodisks/nanoholes arrayed plasmonic system for label-free DNA detection. Biosens Bioelectron 2024; 264:116659. [PMID: 39128297 DOI: 10.1016/j.bios.2024.116659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2024] [Revised: 08/08/2024] [Accepted: 08/08/2024] [Indexed: 08/13/2024]
Abstract
Label-free optical deoxyribonucleic acid (DNA) sensing with arrayed plasmonic nanostructures (plasmonic crystals) is a promising technology for biomedical diagnosis and bioanalytical science. Plasmonic biosensors can detect target biomolecules by utilizing the shift in plasmonic resonance caused by changes in the surrounding refractive index (RI) attributed to the capture of target biomolecules using a recognizer. Conventional explanations for the sensitivity of plasmonic crystals are based on bulk (BRIS) and surface RI sensitivities (SRIS) for basic plasmonic nanoparticles despite their unique properties such as surface lattice resonances (SLRs), wherein localized surface plasmons (LSPs) cooperatively oscillate with their pitch. Therefore, investigating the sensitivity of SLRs is imperative for improving sensing performance. In this study, the sensitivity of adenomatous polyposis coli (APC) gene-related DNA hybridization detection of complementary plasmonic crystals composed of nanodisks (PNDs) on or under plasmonic nanoholes (PNHs) was investigated considering the SLR properties. The BRIS was measured using the conventional definition of the peak wavelength shift per unit RI increment (nm/RIU) followed by the SRIS measurement using the layer-by-layer method. The BRIS and SRIS measurements reflect the practical sensitivity for DNA detection. PNHs had higher sensitivity than PNDs, with a limit of detection of 0.30 nM. Further, only the SLR-based mode responded to localized RI changes because of DNA hybridization, whereas both the LSPs- and SLR-based modes responded to uniform RI changes caused by layer-by-layer coating. Our investigation will open up possibilities and opportunities for plasmonic crystal biosensors.
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Affiliation(s)
- Daiki Kawasaki
- Metamaterials Laboratory, RIKEN Cluster for Pioneering Research, 2-1 Hirosawa, Wako, 351-0198, Saitama, Japan
| | - Ryosuke Nishitsuji
- Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, 2-8 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Tatsuro Endo
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, Sakai, 599-8531, Japan.
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2
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Dutovs A, Popļausks R, Putāns O, Perkanuks V, Jurkevičiūtė A, Tamulevičius T, Malinovskis U, Olyshevets I, Erts D, Prikulis J. In situ optical sub-wavelength thickness control of porous anodic aluminum oxide. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2024; 15:126-133. [PMID: 38317824 PMCID: PMC10840541 DOI: 10.3762/bjnano.15.12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/11/2024] [Indexed: 02/07/2024]
Abstract
Porous anodic aluminum oxide (PAAO), sometimes referred to as nanoporous anodic alumina, serves as a cost-effective template for nanofabrication in many fields of science and engineering. However, production of ultrathin PAAO membranes with precise thickness in the optical sub-wavelength range remains challenging because of difficulties regarding process control at the initial stage of anodic oxidation. In this study, we demonstrate a technique for consistently manufacturing PAAO with the targeted thickness. An electrochemical cell with an optical window was designed for reflectance spectroscopy of PAAO during anodization. Real-time fitting of spectra to a transfer-matrix model enabled continuous monitoring of the thickness growth of the PAAO layer. Automation software was designed to terminate the anodization process at preset PAAO thickness values. While the concept was illustrated using the widely used method of anodization in a 0.3 M oxalic acid electrolyte with a 40 V potential, it can be readily customized for other protocols. PAAO layers with effective thickness below 300 nm could be produced with a few nanometers accuracy using single-crystal aluminum substrates. The results were confirmed using spectroscopic ellipsometry. The method for controlling the thickness during anodization eliminates the necessity of sample sectioning for electron microscopy and is particularly valuable for the small-scale production of PAAO-based functional optical coatings.
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Affiliation(s)
- Aleksandrs Dutovs
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Raimonds Popļausks
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Oskars Putāns
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Vladislavs Perkanuks
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Aušrinė Jurkevičiūtė
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
- Institute of Materials Science of Kaunas University of Technology, K. Baršausko St. 59, Kaunas LT-51423, Lithuania
| | - Tomas Tamulevičius
- Institute of Materials Science of Kaunas University of Technology, K. Baršausko St. 59, Kaunas LT-51423, Lithuania
- Department of Physics, Faculty of Mathematics and Natural Sciences, Kaunas University of Technology, Studentų St. 50, Kaunas LT-51368, Lithuania
| | - Uldis Malinovskis
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Iryna Olyshevets
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Donats Erts
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
- Faculty of Chemistry, University of Latvia, 1 Jelgavas Str., Riga LV-1004, Latvia
| | - Juris Prikulis
- Institute of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
- Faculty of Physics, Mathematics and Optometry, University of Latvia, 3 Jelgavas Str., Riga LV-1004, Latvia
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3
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Rong G, Zheng Y, Li X, Guo M, Su Y, Bian S, Dang B, Chen Y, Zhang Y, Shen L, Jin H, Yan R, Wen L, Zhu P, Sawan M. A high-throughput fully automatic biosensing platform for efficient COVID-19 detection. Biosens Bioelectron 2022; 220:114861. [PMCID: PMC9630290 DOI: 10.1016/j.bios.2022.114861] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 09/19/2022] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
Abstract
We propose a label-free biosensor based on a porous silicon resonant microcavity and localized surface plasmon resonance. The biosensor detects SARS-CoV-2 antigen based on engineered trimeric angiotensin converting enzyme-2 binding protein, which is conserved across different variants. Robotic arms run the detection process including sample loading, incubation, sensor surface rinsing, and optical measurements using a portable spectrometer. Both the biosensor and the optical measurement system are readily scalable to accommodate testing a wide range of sample numbers. The limit of detection is 100 TCID50/ml. The detection time is 5 min, and the throughput of one single robotic site is up to 384 specimens in 30 min. The measurement interface requires little training, has standard operation, and therefore is suitable for widespread use in rapid and onsite COVID-19 screening or surveillance.
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Affiliation(s)
- Guoguang Rong
- CenBRAIN Neurotech, School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China
| | - Yuqiao Zheng
- CenBRAIN Neurotech, School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China
| | - Xiangqing Li
- School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China
| | - Mengzhun Guo
- Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake, University, Hangzhou, Zhejiang, 310030, China,Center for Infectious Disease Research, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, China,Institute of Biology, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, China
| | - Yi Su
- CenBRAIN Neurotech, School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China
| | - Sumin Bian
- CenBRAIN Neurotech, School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China
| | - Bobo Dang
- Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake, University, Hangzhou, Zhejiang, 310030, China,Center for Infectious Disease Research, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, China,Institute of Biology, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, China
| | - Yin Chen
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou, Zhejiang, 310051, China
| | - Yanjun Zhang
- Zhejiang Provincial Center for Disease Control and Prevention, 3399 Binsheng Road, Hangzhou, Zhejiang, 310051, China
| | - Linhai Shen
- Hangzhou Center for Disease Control and Prevention, 568 Mingshi Road, Jianggan District, Hangzhou, Zhejiang, 310021, China
| | - Hui Jin
- Hangzhou Center for Disease Control and Prevention, 568 Mingshi Road, Jianggan District, Hangzhou, Zhejiang, 310021, China
| | - Renhong Yan
- Key Laboratory of Structural Biology of Zhejiang Province, School of Life Sciences, Westlake, University, Hangzhou, Zhejiang, 310030, China,Center for Infectious Disease Research, Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, China
| | - Liaoyong Wen
- School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China
| | - Peixi Zhu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, Zhejiang, 310014, China
| | - Mohamad Sawan
- CenBRAIN Neurotech, School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China,Institute of Advanced Study, Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310024, China,Corresponding author. CenBRAIN Neurotech, School of Engineering, Westlake University, 600 Dunyu Road, Xihu District, Hangzhou, Zhejiang, 310030, China
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4
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Yamada H, Kawasaki D, Sueyoshi K, Hisamoto H, Endo T. Fabrication of Metal-Insulator-Metal Nanostructures Composed of Au-MgF 2-Au and Its Potential in Responding to Two Different Factors in Sample Solutions Using Individual Plasmon Modes. MICROMACHINES 2022; 13:257. [PMID: 35208381 PMCID: PMC8879021 DOI: 10.3390/mi13020257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 11/16/2022]
Abstract
In this paper, metal-insulator-metal (MIM) nanostructures, which were designed to exhibit two absorption peaks within 500-1100 nm wavelength range, were fabricated using magnesium difluoride (MgF2) as the insulator layer. Since the MIM nanostructures have two plasmon modes corresponding to the absorption peaks, they independently responded to the changes in two phases: the surrounding medium and the inside insulator layer, the structure is expected to obtain multiple information from sample solution: refractive index (RI) and molecular interaction between solution components and the insulator layer. The fabricated MIM nanostructure had a diameter of 139.6 ± 2.8 nm and a slope of 70°, and exhibited absorption peaks derived from individual plasmon modes at the 719 and 907 nm wavelengths. The evaluation of the response to surrounding solution component of the MIM nanostructures revealed a linear response of one plasmon mode toward the RI of the surrounding medium and a large blue shift of the other plasmon mode under conditions where glycerol was present at high concentration. From optical simulation and the evaluation of the MgF2 fabricated by deposition, the blue shift was expected to be due to the swelling of MgF2 interacting with the hydroxyl groups abundantly included in the glycerol molecules. The results indicated the individual responses of two plasmon modes in MIM nanostructures toward medium components, and brought the prospect for the simultaneous measurement of multiple elements using two or more plasmon modes.
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Affiliation(s)
- Hirotaka Yamada
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan; (H.Y.); (D.K.); (K.S.); (H.H.)
| | - Daiki Kawasaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan; (H.Y.); (D.K.); (K.S.); (H.H.)
| | - Kenji Sueyoshi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan; (H.Y.); (D.K.); (K.S.); (H.H.)
- Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), 5-3 Yonban-cho, Chiyoda, Tokyo 102-8666, Japan
| | - Hideaki Hisamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan; (H.Y.); (D.K.); (K.S.); (H.H.)
| | - Tatsuro Endo
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan; (H.Y.); (D.K.); (K.S.); (H.H.)
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5
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Thi Huong V, Thi Ta HK, Mai NXD, Van Tran TT, Khuyen BX, Trinh KTL, Lee NY, Phan BT, Tran NHT. Development of a highly sensitive sensor chip using optical diagnostic based on functionalized plasmonically active AuNPs. NANOTECHNOLOGY 2021; 32:335505. [PMID: 33979787 DOI: 10.1088/1361-6528/ac0080] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Accepted: 05/12/2021] [Indexed: 06/12/2023]
Abstract
Measuring solution concentration plays an important role in chemical, biochemical, clinical diagnosis, environmental monitoring, and biological analyses. In this work, we develop a transmission-mode localized surface plasmon resonance sensor chip system and convenient method which is highly efficient, highly sensitive for detection sensing using multimode fiber. The plasmonically active sensor's surface AuNPs with high-density NPs were decorated onto 1 cm sensing length of various clad-free fiber in the form of homogeneous monolayer utilizing a self-assembly process for immobilization of the target molecule. The carboxyl bond is formed through a functional reaction on the sensor head. Using the significance in the refractive index difference and numerical aperture, which is caused by a variation in the concentration of measuring bovine serum albumin (BSA) protein which can be accurately measured by the output signal. The refractive index variation of the medium analyte layer can be converted to signal output power change at the He-Ne wavelength of 632.8 nm. The sensor detection limit was estimated to be 0.075 ng ml-1for BSA protein which shows high sensitivity compared to other types of label-free optical biosensors. This also leads to a possibility of finding the improvement in the sensitivity label-free biosensors. The conventional method should allow multimode fiber biosensors to become a possible replacement for conventional biosensing techniques based on fluorescence.
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Affiliation(s)
- Vu Thi Huong
- Faculty Department of Information Communication, Convergence Technology, Soongsil University, Seoul 06978, Republic of Korea
| | - Hanh Kieu Thi Ta
- Faculty of Materials Science and Technology, University of Science, HoChiMinh City, Vietnam
- Vietnam National University, HoChiMinh City, Vietnam
- Center for Innovative Materials and Architectures (INOMAR), HoChiMinh City, Vietnam
| | - Ngoc Xuan Dat Mai
- Vietnam National University, HoChiMinh City, Vietnam
- Center for Innovative Materials and Architectures (INOMAR), HoChiMinh City, Vietnam
| | - Thi Thanh Van Tran
- Faculty of Materials Science and Technology, University of Science, HoChiMinh City, Vietnam
- Vietnam National University, HoChiMinh City, Vietnam
| | - Bui Xuan Khuyen
- Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Kieu The Loan Trinh
- Department of Industrial Environmental Engineering, College of Industrial Environmental Engineering, Gachon University, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, Seongnam-si, Gyeonggi-do 13120, Republic of Korea
| | - Bach Thang Phan
- Vietnam National University, HoChiMinh City, Vietnam
- Center for Innovative Materials and Architectures (INOMAR), HoChiMinh City, Vietnam
- Laboratory of Advanced Materials, University of Science, HoChiMinh City, Vietnam
| | - Nhu Hoa Thi Tran
- Faculty of Materials Science and Technology, University of Science, HoChiMinh City, Vietnam
- Vietnam National University, HoChiMinh City, Vietnam
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6
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Feng S, Ji W. Advanced Nanoporous Anodic Alumina-Based Optical Sensors for Biomedical Applications. FRONTIERS IN NANOTECHNOLOGY 2021. [DOI: 10.3389/fnano.2021.678275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Close-packed hexagonal array nanopores are widely used both in research and industry. A self-ordered nanoporous structure makes anodic aluminum oxide (AAO) one of the most popular nanomaterials. This paper describes the main formation mechanisms for AAO, the AAO fabrication process, and optical sensor applications. The paper is focused on four types of AAO-based optical biosensor technology: surface-Enhanced Raman Scattering (SERS), surface Plasmon Resonance (SPR), reflectometric Interference Spectroscopy (RIfS), and photoluminescence Spectroscopy (PL). AAO-based optical biosensors feature very good selectivity, specificity, and reusability.
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7
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Chen S, Liu C, Liu Y, Liu Q, Lu M, Bi S, Jing Z, Yu Q, Peng W. Label-Free Near-Infrared Plasmonic Sensing Technique for DNA Detection at Ultralow Concentrations. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:2000763. [PMID: 33304743 PMCID: PMC7709993 DOI: 10.1002/advs.202000763] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 08/05/2020] [Indexed: 06/12/2023]
Abstract
Biomolecular detection at a low concentration is usually the most important criterion for biological measurement and early stage disease diagnosis. In this paper, a highly sensitive nanoplasmonic biosensing approach is demonstrated by achieving near-infrared plasmonic excitation on a continuous gold-coated nanotriangular array. Near-infrared incident light at a small incident angle excites surface plasmon resonance with much higher spectral sensitivity compared with traditional configuration, due to its greater interactive volume and the stronger electric field intensity. By introducing sharp nanotriangular metallic tips, intense localization of plasmonic near-fields is realized to enhance the molecular perception ability on sensing surface. This approach with an enhanced sensitivity (42103.8 nm per RIU) and a high figure of merit (367.812) achieves a direct assay of ssDNA at nanomolar level, which is a further step in label-free ultrasensitive sensing technique. Considerable improvement is recorded in the detection limit of ssDNA as 1.2 × 10-18 m based on the coupling effect between nanotriangles and gold nanoparticles. This work combines high bulk- and surface-sensitivities, providing a simple way toward label-free ultralow-concentration biomolecular detection.
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Affiliation(s)
- Shimeng Chen
- School of Optoelectronic Engineering and Instrumentation ScienceDalian University of TechnologyDalian116024China
| | - Chuan Liu
- State Key Laboratory of Structural Analysis for Industrial EquipmentDalian University of TechnologyDalian116024China
| | - Yun Liu
- School of PhysicsDalian University of TechnologyDalian116024China
| | - Qiang Liu
- School of PhysicsDalian University of TechnologyDalian116024China
| | - Mengdi Lu
- School of PhysicsDalian University of TechnologyDalian116024China
| | - Sheng Bi
- Key Laboratory for Precision and Non‐traditional MachiningTechnology of the Ministry of EducationDalian University of TechnologyDalian116024China
| | - Zhenguo Jing
- School of PhysicsDalian University of TechnologyDalian116024China
| | - Qingxu Yu
- School of Optoelectronic Engineering and Instrumentation ScienceDalian University of TechnologyDalian116024China
| | - Wei Peng
- School of PhysicsDalian University of TechnologyDalian116024China
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8
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Amouzadeh Tabrizi M, Ferre-Borrull J, Marsal LF. Advances in Optical Biosensors and Sensors Using Nanoporous Anodic Alumina. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5068. [PMID: 32906635 PMCID: PMC7570681 DOI: 10.3390/s20185068] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/03/2020] [Accepted: 09/04/2020] [Indexed: 12/11/2022]
Abstract
This review paper focuses on recent progress in optical biosensors using self-ordered nanoporous anodic alumina. We present the fabrication of self-ordered nanoporous anodic alumina, surface functionalization, and optical sensor applications. We show that self-ordered nanoporous anodic alumina has good potential for use in the fabrication of antibody-based (immunosensor), aptamer-based (aptasensor), gene-based (genosensor), peptide-based, and enzyme-based optical biosensors. The fabricated optical biosensors presented high sensitivity and selectivity. In addition, we also showed that the performance of the biosensors and the self-ordered nanoporous anodic alumina can be used for assessing biomolecules, heavy ions, and gas molecules.
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Affiliation(s)
| | | | - Lluis F. Marsal
- Departamento de Ingeniería Electrónica, Eléctrica y Automática, Universitat Rovira i Virgili, Avda. Països Catalans 26, 43007 Tarragona, Spain; (M.A.T.); (J.F.-B.)
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9
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Zamrik I, Bayat H, Alhusaini Q, Raoufi M, Schönherr H. In Situ Study of Layer-by-Layer Polyelectrolyte Deposition in Nanopores of Anodic Aluminum Oxide by Reflectometric Interference Spectroscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:1907-1915. [PMID: 32009415 DOI: 10.1021/acs.langmuir.9b03769] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The modification of cylindrical anodic aluminum oxide (AAO) nanopores by alternating layer-by-layer (LBL) deposition of poly(sodium-4-styrene sulfonate) (PSS) and poly(allylamine hydrochloride) (PAH) was studied in situ by reflectometric interference spectroscopy (RIfS). In particular, the kinetics of polyelectrolyte deposition inside the pores with a diameter of 37 ± 3 nm and a length of 3.7 ± 0.3 μm were unraveled, and potential differences in the LBL multilayer growth compared to flat silicon substrates as well as the effect of different ionic strengths and different types of ions were investigated. RIfS measures the effective optical thicknesses, which is-for a constant pore length-proportional to the effective refractive index of the AAO sample, from which, in turn, the deposited mass of the polymer or the corresponding layer thickness can be estimated. Compared to the multilayer growth by the LBL deposition on the flat aminosilane-primed silicon wafers, which was assessed by spectroscopic ellipsometry, the thickness increment per deposited bilayer, as well as the dependence of this increment on the ionic strength (0.01-0.15) and the counterion type (Na+ vs Ca2+) inside the aminosilane-primed nanopores, was for the first bilayers to within the experimental error identical. For thicker multilayers, the pore diameter became smaller, which led to reduced thickness increments and eventually virtually completely filled the pores. The observed kinetics is consistent with the mass-transport-limited adsorption of the polyelectrolyte to the charged surface according to a Langmuir isotherm with a negligible desorption rate. In addition to fundamental insights into the buildup of polyelectrolyte multilayers inside the AAO nanopores, our results highlight the sensitivity of RIfS and its use as an analytical tool for probing processes inside the nanopores and for the development of biosensors.
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Affiliation(s)
- Imad Zamrik
- Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering (Cμ), University of Siegen, 57076 Siegen, Germany
| | - Haider Bayat
- Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering (Cμ), University of Siegen, 57076 Siegen, Germany
| | - Qasim Alhusaini
- Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering (Cμ), University of Siegen, 57076 Siegen, Germany
| | - Mohammad Raoufi
- Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering (Cμ), University of Siegen, 57076 Siegen, Germany
- Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, 1416753955Tehran, Iran
| | - Holger Schönherr
- Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering (Cμ), University of Siegen, 57076 Siegen, Germany
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10
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Law CS, Lim SY, Abell AD, Voelcker NH, Santos A. Nanoporous Anodic Alumina Photonic Crystals for Optical Chemo- and Biosensing: Fundamentals, Advances, and Perspectives. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E788. [PMID: 30287772 PMCID: PMC6215225 DOI: 10.3390/nano8100788] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2018] [Revised: 10/01/2018] [Accepted: 10/01/2018] [Indexed: 12/15/2022]
Abstract
Optical sensors are a class of devices that enable the identification and/or quantification of analyte molecules across multiple fields and disciplines such as environmental protection, medical diagnosis, security, food technology, biotechnology, and animal welfare. Nanoporous photonic crystal (PC) structures provide excellent platforms to develop such systems for a plethora of applications since these engineered materials enable precise and versatile control of light⁻matter interactions at the nanoscale. Nanoporous PCs provide both high sensitivity to monitor in real-time molecular binding events and a nanoporous matrix for selective immobilization of molecules of interest over increased surface areas. Nanoporous anodic alumina (NAA), a nanomaterial long envisaged as a PC, is an outstanding platform material to develop optical sensing systems in combination with multiple photonic technologies. Nanoporous anodic alumina photonic crystals (NAA-PCs) provide a versatile nanoporous structure that can be engineered in a multidimensional fashion to create unique PC sensing platforms such as Fabry⁻Pérot interferometers, distributed Bragg reflectors, gradient-index filters, optical microcavities, and others. The effective medium of NAA-PCs undergoes changes upon interactions with analyte molecules. These changes modify the NAA-PCs' spectral fingerprints, which can be readily quantified to develop different sensing systems. This review introduces the fundamental development of NAA-PCs, compiling the most significant advances in the use of these optical materials for chemo- and biosensing applications, with a final prospective outlook about this exciting and dynamic field.
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Affiliation(s)
- Cheryl Suwen Law
- School of Chemical Engineering, The University of Adelaide, Adelaide SA 5005, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, Adelaide SA 5005, Australia.
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), The University of Adelaide, Adelaide SA 5005, Australia.
| | - Siew Yee Lim
- School of Chemical Engineering, The University of Adelaide, Adelaide SA 5005, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, Adelaide SA 5005, Australia.
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), The University of Adelaide, Adelaide SA 5005, Australia.
| | - Andrew D Abell
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, Adelaide SA 5005, Australia.
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), The University of Adelaide, Adelaide SA 5005, Australia.
- Department of Chemistry, The University of Adelaide, Adelaide SA 5005, Australia.
| | - Nicolas H Voelcker
- Melbourne Centre for Nanofabrication, Victorian Node of the Australian National Fabrication Facility, Melbourne 3168, Australia.
- Drug Delivery, Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, Melbourne 3052, Australia.
- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Melbourne 3168, Australia.
- INM-Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.
| | - Abel Santos
- School of Chemical Engineering, The University of Adelaide, Adelaide SA 5005, Australia.
- Institute for Photonics and Advanced Sensing (IPAS), The University of Adelaide, Adelaide SA 5005, Australia.
- ARC Centre of Excellence for Nanoscale BioPhotonics (CNBP), The University of Adelaide, Adelaide SA 5005, Australia.
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11
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Nagai H, Tomioka K, Okumura S. Optimal Conditions for the Asymmetric Polymerase Chain Reaction for Detecting Food Pathogenic Bacteria Using a Personal SPR Sensor. Appl Biochem Biotechnol 2018; 187:323-337. [PMID: 29943274 DOI: 10.1007/s12010-018-2819-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 06/10/2018] [Indexed: 12/16/2022]
Abstract
We have been developing quick and simple system for detecting food-poisoning bacteria using a combination of an asymmetric PCR and a portable surface plasmon resonance (SPR) sensor. The system would be suitable for point-of-care detection of food-poisoning bacteria in the field of food industry. In this study, we established a novel method for quantifying the amplified forward (F) and reverse (R) chains of Staphylococcus aureus separately by high-performance liquid chromatography (HPLC). The concentration of single-stranded DNA amplicon excessively amplified, which is crucial for the system, could be calculated as the difference between those of the F- and R-chains. For the R-chain, a correction based on the F-chain concentration in the sample was used to obtain a more accurate value, because the determination of the R-chain concentration was affected by that of the coexisting F-chain. The concentration values were also determined by fluorescence imaging for electrophoresis gels of amplicons with FITC- or Cy5-conjugated primers, and they were in good agreement with the values by the HPLC. The measured concentration of the single-strand F-chain correlated well with the value of the SPR response against the probe that was a complementary sequence of the F-chain, immobilized on the sensor chip of the SPR sensor.
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Affiliation(s)
- Haruka Nagai
- Department of Biochemistry and Applied Chemistry, National Institute of Technology, Kurume College, 1-1-1 Komorino, Kurume, Fukuoka, 830-8555, Japan
| | - Kanji Tomioka
- Department of Biochemistry and Applied Chemistry, National Institute of Technology, Kurume College, 1-1-1 Komorino, Kurume, Fukuoka, 830-8555, Japan
| | - Shiro Okumura
- Biotechnology and Food Research Institute, Fukuoka Industrial Technology Center, 1465-5 Aikawa, Kurume, Fukuoka, 839-0861, Japan.
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12
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Rajeev G, Prieto Simon B, Marsal LF, Voelcker NH. Advances in Nanoporous Anodic Alumina-Based Biosensors to Detect Biomarkers of Clinical Significance: A Review. Adv Healthc Mater 2018; 7. [PMID: 29205934 DOI: 10.1002/adhm.201700904] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Revised: 10/06/2017] [Indexed: 02/06/2023]
Abstract
There is a strong and growing demand for compact, portable, rapid, and low-cost devices to detect biomarkers of interest in clinical and point-of-care diagnostics. Such devices aid in early diagnosis of diseases without the need to rely on expensive and time-consuming large instruments in dedicated laboratories. Over the last decade, numerous biosensors have been developed for detection of a wide range of clinical biomarkers including proteins, nucleic acids, growth factors, and bacterial enzymes. Various transduction techniques have been reported based on biosensor technology that deliver substantial advances in analytical performance, including sensitivity, reproducibility, selectivity, and speed for monitoring a wide range of human health conditions. Nanoporous anodic alumina (NAA) has been used extensively for biosensing applications due to its inherent optical and electrochemical properties, ease of fabrication, large surface area, tunable properties, and high stability in aqueous environment. This review focuses on NAA-based biosensing systems for detection of clinically significant biomarkers using various detection techniques with the main focus being on electrochemical and optical transduction methods. The review covers an overview of the importance of biosensors for biomarkers detection, general (surface and structural) properties and fabrication of NAA, and NAA-based biomarker sensing systems.
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Affiliation(s)
| | - Beatriz Prieto Simon
- Future Industries Institute; Mawson Lakes SA 5095 Australia
- Monash Institute of Pharmaceutical Sciences; Monash University; Parkville VIC 3052 Australia
| | - Lluis F. Marsal
- Departamento de Ingeniería Electrónica; Eléctrica y Automática; Universitat Rovira i Virgili; Avda. Països Catalans 26 43007 Tarragona Spain
| | - Nicolas H. Voelcker
- Future Industries Institute; Mawson Lakes SA 5095 Australia
- Monash Institute of Pharmaceutical Sciences; Monash University; Parkville VIC 3052 Australia
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13
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Kun Q, Lin Y, Peng H, Cheng L, Cui H, Hong N, Xiong J, Fan H. A “signal-on” switch electrochemiluminescence biosensor for the detection of tumor cells. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2017.11.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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14
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An Assay Using Localized Surface Plasmon Resonance and Gold Nanorods Functionalized with Aptamers to Sense the Cytochrome-c Released from Apoptotic Cancer Cells for Anti-Cancer Drug Effect Determination. MICROMACHINES 2017; 8:mi8110338. [PMID: 30400530 PMCID: PMC6190337 DOI: 10.3390/mi8110338] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 10/31/2017] [Accepted: 11/15/2017] [Indexed: 12/22/2022]
Abstract
To determine the degree of cancer cell killing after treatment with chemotherapeutic drugs, we have developed a sensitive platform using localized surface plasmon resonance (LSPR) and aptamers to detect the extracellular cytochrome-c (cyto-c), a mitochondrial protein released from cancer cells for the induction of apoptosis after treatment, to evaluate the effectiveness of cancer therapy. In this assay, a short single-stranded 76-mer DNA aptamer with a unique DNA sequence, which binds towards the cyto-c like an antibody with a high binding affinity and specificity, was conjugated to gold nanorods (AuNR) for LSPR sensing. Practically, cyto-c was first grabbed by a capturing antibody functionalized on the surface of micro-magnetic particles (MMPs). Subsequently, the AuNR-conjugated aptamer was added to form a complex sandwich structure with cyto-c (i.e., (MMP-Ab)-(cyto-c)-(AuNR-aptamer)) after washing away the non-target impurities, such as serum residues and intracellular contents, in a microfluidic chip. The sandwich complex led to formation of AuNR aggregates, which changed the LSPR signals in relation to the amount of cyto-c. With the LSPR signal enhancement effects from the AuNRs, the detection limit of cyto-c, sparked in human serum or culture medium, was found to be 0.1 ng/mL in our platform and the whole sensing process could be completed within two hours. Moreover, we have applied this assay to monitor the apoptosis in leukemia cancer cells induced by a potential anti-cancer agent phenylarsine oxide.
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15
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Ercan M, Ozalp VC, Tuna BG. Genotyping of single nucleotide polymorphism by probe-gated silica nanoparticles. Anal Biochem 2017; 537:78-83. [DOI: 10.1016/j.ab.2017.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/01/2017] [Accepted: 09/07/2017] [Indexed: 01/12/2023]
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16
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Sun W, Yuan S, Huang H, Liu N, Tan Y. A label-free biosensor based on localized surface plasmon resonance for diagnosis of tuberculosis. J Microbiol Methods 2017; 142:41-45. [DOI: 10.1016/j.mimet.2017.09.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 08/28/2017] [Accepted: 09/10/2017] [Indexed: 11/27/2022]
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17
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Tran NHT, Kim J, Phan TB, Khym S, Ju H. Label-Free Optical Biochemical Sensors via Liquid-Cladding-Induced Modulation of Waveguide Modes. ACS APPLIED MATERIALS & INTERFACES 2017; 9:31478-31487. [PMID: 28849907 DOI: 10.1021/acsami.7b09252] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We demonstrated modulation of the waveguide mode mismatch via liquid cladding of the controllable refractive index for label-free quantitative detection of concentration of chemical or biological substances. A multimode optical fiber with its core exposed was used as the sensor head with the suitable chemical modification of its surface. Injected analyte liquid itself formed the liquid cladding for the waveguide. We found that modulation of the concentration of analyte injected enables a degree of the waveguide mode mismatch to be controlled, resulting in sensitive change in optical power transmission, which was utilized for its real-time quantitative assay. We applied the device to quantitating concentration of glycerol and bovine serum albumin (BSA) solutions. We obtained experimentally the limit of detection (LOD) of glycerol concentration, 0.001% (volume ratio), corresponding to the resolvable index resolution of ∼1.02 × 10-6 RIU (refractive index unit). The presented sensors also exhibited reasonably good reproducibility. In BSA detection, the sensor device response was sensitive to change in the refractive indices not only of liquid bulk but also of layers just above the sensing surface with higher sensitivity, providing the LOD experimentally as ∼3.7 ng/mL (mass coverage of ∼30 pg/mm2). A theoretical model was also presented to invoke both mode mismatch modulation and evanescent field absorption for understanding of the transmission change, offering a theoretical background for designing the sensor head structure for a given analyte. Interestingly, the device sensing length played little role in the important sensor characteristics such as sensitivity, unlike most of the waveguide-based sensors. This unraveled the possibility of realizing a highly simple structured label-free sensor for point-of-care testing in a real-time manner via an optical waveguide with liquid cladding. This required neither metal nor dielectric coating but still produced sensitivity comparable to those of other types of label-free sensors such as plasmonic fiber ones.
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Affiliation(s)
| | | | | | - Sungwon Khym
- Department of Science, Hongik University , 94 Wausan-ro, Mapo-gu, Seoul, Republic of Korea
| | - Heongkyu Ju
- Neuroscience Institute, Gil Hospital , Incheon 405-760, South Korea
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18
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Cristea C, Tertis M, Galatus R. Magnetic Nanoparticles for Antibiotics Detection. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E119. [PMID: 28538684 PMCID: PMC5485766 DOI: 10.3390/nano7060119] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 05/16/2017] [Accepted: 05/17/2017] [Indexed: 12/27/2022]
Abstract
Widespread use of antibiotics has led to pollution of waterways, potentially creating resistance among freshwater bacterial communities. Microorganisms resistant to commonly prescribed antibiotics (superbug) have dramatically increased over the last decades. The presence of antibiotics in waters, in food and beverages in both their un-metabolized and metabolized forms are of interest for humans. This is due to daily exposure in small quantities, that, when accumulated, could lead to development of drug resistance to antibiotics, or multiply the risk of allergic reaction. Conventional analytical methods used to quantify antibiotics are relatively expensive and generally require long analysis time associated with the difficulties to perform field analyses. In this context, electrochemical and optical based sensing devices are of interest, offering great potentials for a broad range of analytical applications. This review will focus on the application of magnetic nanoparticles in the design of different analytical methods, mainly sensors, used for the detection of antibiotics in different matrices (human fluids, the environmental, food and beverages samples).
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Affiliation(s)
- Cecilia Cristea
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Pasteur St., 400349 Cluj-Napoca, Romania.
| | - Mihaela Tertis
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Haţieganu University of Medicine and Pharmacy, 4 Pasteur St., 400349 Cluj-Napoca, Romania.
| | - Ramona Galatus
- Basis of Electronics Department, Faculty of Electronics, Telecommunication and Information Technology, Technical University of Cluj-Napoca, 28 Memorandumului St., 400114 Cluj-Napoca, Romania.
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19
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Tak M, Gupta V, Tomar M. An electrochemical DNA biosensor based on Ni doped ZnO thin film for meningitis detection. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.03.032] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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Kim SW, Lee JS, Lee SW, Kang BH, Kwon JB, Kim OS, Kim JS, Kim ES, Kwon DH, Kang SW. Easy-to-Fabricate and High-Sensitivity LSPR Type Specific Protein Detection Sensor Using AAO Nano-Pore Size Control. SENSORS 2017; 17:s17040856. [PMID: 28406469 PMCID: PMC5424733 DOI: 10.3390/s17040856] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/11/2017] [Accepted: 04/12/2017] [Indexed: 12/16/2022]
Abstract
In this study, we developed a pore size/pore area-controlled optical biosensor-based anodic aluminum oxide (AAO) nanostructure. As the pore size of AAO increases, the unit cell of AAO increases, which also increases the non-pore area to which the antibody binds. The increase in the number of antibodies immobilized on the surface of the AAO enables effective detection of trace amounts of antigen, because increased antigen-antibody bonding results in a larger surface refractive index change. High sensitivity was thus achieved through amplification of the interference wave of two vertically-incident reflected waves through the localized surface plasmon resonance phenomenon. The sensitivity of the fabricated sensor was evaluated by measuring the change in wavelength with the change in the refractive index of the device surface, and sensitivity was increased with increasing pore-size and non-pore area. The sensitivity of the fabricated sensor was improved and up to 11.8 ag/mL serum amyloid A1 antigen was detected. In addition, the selectivity of the fabricated sensor was confirmed through a reaction with a heterogeneous substance, C-reactive protein antigen. By using hard anodization during fabrication of the AAO, the fabrication time of the device was reduced and the AAO chip was fabricated quickly and easily.
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Affiliation(s)
- Sae-Wan Kim
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
| | - Jae-Sung Lee
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
| | - Sang-Won Lee
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
| | - Byoung-Ho Kang
- Division of Advanced Research and Development, SINOKOR, 12 Seongseogongdanbuk-ro 43-gil, Dalseo-gu, Daegu 704-920, Korea.
| | - Jin-Beom Kwon
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
| | - Ok-Sik Kim
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
| | - Ju-Seong Kim
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
| | - Eung-Soo Kim
- Division of Computer and Electronic Engineering, Pusan University of Foreign studies, 65 Namsan-dong, Geumjeong-gu, 608-738 Busan, Korea.
| | - Dae-Hyuk Kwon
- Department of Electronics Engineering, Kyungil University, Hayang-up, Gyeongsang buk-do 712-702, Korea.
| | - Shin-Won Kang
- School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, Korea.
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21
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“Off-On”switching electrochemiluminescence biosensor for mercury(II) detection based on molecular recognition technology. Anal Biochem 2017; 518:46-52. [DOI: 10.1016/j.ab.2016.09.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 09/19/2016] [Accepted: 09/20/2016] [Indexed: 01/26/2023]
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22
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Kim DK, Kim DM, Yoo SM, Lee SY. Controllable gold-capped nanoporous anodic alumina chip for label-free, specific detection of bacterial cells. RSC Adv 2017. [DOI: 10.1039/c6ra27130h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A gold-capped nanostructured PAA sensor that uses aptamers detected bacterial cells in a quantitative manner with high specificities on a single chip.
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Affiliation(s)
- Do-Kyun Kim
- Department of Chemical and Biomolecular Engineering (BK21 Plus Program)
- BioProcess Engineering Research Center
- KAIST
- Daejeon
- Republic of Korea
| | - Dong Min Kim
- Center for Applied Life Science
- Hanbat National University
- Daejeon
- Republic of Korea
| | - Seung Min Yoo
- Department of Chemical and Biomolecular Engineering (BK21 Plus Program)
- BioProcess Engineering Research Center
- KAIST
- Daejeon
- Republic of Korea
| | - Sang Yup Lee
- Department of Chemical and Biomolecular Engineering (BK21 Plus Program)
- BioProcess Engineering Research Center
- KAIST
- Daejeon
- Republic of Korea
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23
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Rapid detection of single nucleotide mutation in p53 gene based on gold nanoparticles decorated on graphene nanosheets. J CHEM SCI 2016. [DOI: 10.1007/s12039-016-1198-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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24
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Localized surface plasmon resonance based gold nanobiosensor: Determination of thyroid stimulating hormone. Anal Biochem 2016; 516:1-5. [PMID: 27717857 DOI: 10.1016/j.ab.2016.10.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2016] [Accepted: 10/03/2016] [Indexed: 11/23/2022]
Abstract
An immunoassay method based on the peak shift of the localized surface plasmon resonance (LSPR) absorption maxima has been developed for the determination of the thyroid stimulating hormone (TSH) in human blood serum. The anti-TSH antibody was adsorbed on the synthesized gold nanoparticles by electrostatic forces. The efficiency of the nanobiosensor was improved by optimizing the factors affecting the probe construction such as the pH and the antibody to gold nanoparticles ratio. Dynamic light scattering was applied for the characterization of the constructed probe. The amount of peak shift of the LSPR absorption maxima was selected as the basis for determination of TSH antigen. The linear dynamic range of 0.4-12.5 mIU L-1 and the calibration sensitivity of 1.71 L mIU-1 were obtained. The human control serum sample was analyzed for TSH by constructed nanobiosensor and the acceptable results were obtained.
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25
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Ke Y, Garg B, Ling YC. A novel graphene-based label-free fluorescence 'turn-on' nanosensor for selective and sensitive detection of phosphorylated species in biological samples and living cells. NANOSCALE 2016; 8:4547-4556. [PMID: 26758942 DOI: 10.1039/c5nr07261a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A novel label-free fluorescence 'turn-on' nanosensor has been developed for highly selective and sensitive detection of phosphorylated species (Ps) in biological samples and living cells. The design strategy relies on the use of Ti(4+)-immobilized polydopamine (PDA) coated reduced graphene oxide (rGO@PDA-Ti(4+)) that serves as an attractive platform to bind riboflavin 5'-monophosphate molecules (FMNs) through ion-pair interactions between phosphate groups and Ti(4+). The as-prepared rGO@PDA-Ti(4+)-FMNs (nanosensor), fluoresce only weakly due to the ineffective Förster resonance energy transfer between the FMNs and rGO@PDA-Ti(4+). The experimental findings revealed that the microwave-assisted interaction of the nanosensor with α-, β-casein, ovalbumin, human serum, non-fat milk, egg white, and living cells (all containing Ps) releases FMNs (due to the high formation constant between phosphate groups and Ti(4+)), leading to an excellent fluorescence 'turn-on' response. The fluorescence spectroscopy, confocal microscopy, and MALDI-TOF MS spectrometry were used to detect Ps both qualitatively and quantitatively. Under the optimized conditions, the nanosensor showed a detection limit of ca. 118.5, 28.9, and 54.8 nM for the tryptic digests of α-, β-casein and ovalbumin, respectively. Furthermore, the standard addition method was used as a bench-mark proof for phosphopeptide quantification in egg white samples. We postulate that the present quantitative assay for Ps holds tremendous potential and may pave the way to disease diagnostics in the near future.
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Affiliation(s)
- Yaotang Ke
- Department of Chemistry, National Tsing Hua University, Kuang-Fu Road, Hsinchu, 30013, Taiwan.
| | - Bhaskar Garg
- Department of Chemistry, National Tsing Hua University, Kuang-Fu Road, Hsinchu, 30013, Taiwan.
| | - Yong-Chien Ling
- Department of Chemistry, National Tsing Hua University, Kuang-Fu Road, Hsinchu, 30013, Taiwan. and Institute of Nano Engineering and Microsystem, National Tsing Hua University, Kuang-Fu Road, Hsinchu, 30013, Taiwan
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26
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Label-free and sensitive aptasensor based on dendritic gold nanostructures on functionalized SBA-15 for determination of chloramphenicol. Anal Bioanal Chem 2016; 408:2557-65. [PMID: 26879648 DOI: 10.1007/s00216-016-9358-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 01/16/2016] [Accepted: 01/22/2016] [Indexed: 10/22/2022]
Abstract
A highly sensitive and low-cost electrochemical aptasensor was developed for the determination of chloramphenicol (CAP). The system was based on a CAP-binding aptamer, a molecular recognition element, and 1,4-diazabicyclo[2.2.2]octane (DABCO)-supported mesoporous silica SBA-15 on the surface of a screen-printed graphite electrode for formation of dendritic gold nanostructures and improving the performance and conductivity of the biosensor. Hemin has been applied as an electrochemical indicator which interacted with the guanine bases of the aptamer. In the absence of CAP, hemin binds to the aptamer and produces a weak differential pulse voltammetric (DPV) signal. The presence of CAP led to stabilization of the folded aptamer, which generated an amplified DPV signal. The peak current of hemin increased linearly with the concentration of CAP. Under optimal conditions, two linear ranges were obtained from 0.03 to 0.15 μM and 0.15 to 7.0 μM, respectively, and the detection limit was 4.0 nM. The prepared biosensor has good selectivity against other non-target drugs. Thus, the sensor could provide a promising platform for the fabrication of aptasensors. The feasibility of using this aptasensor was demonstrated by determination of CAP in a human blood serum sample.
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27
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Development of a localized surface plasmon resonance-based gold nanobiosensor for the determination of prolactin hormone in human serum. Anal Biochem 2016; 495:32-6. [DOI: 10.1016/j.ab.2015.11.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 11/18/2015] [Accepted: 11/26/2015] [Indexed: 11/18/2022]
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28
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Cheng L, Zhang J, Lin Y, Wang Q, Zhang X, Ding Y, Cui H, Fan H. An electrochemical molecular recognition-based aptasensor for multiple protein detection. Anal Biochem 2015; 491:31-6. [PMID: 26344894 DOI: 10.1016/j.ab.2015.08.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 08/19/2015] [Accepted: 08/19/2015] [Indexed: 02/05/2023]
Abstract
This article reports a simple electrochemical approach for the detection of multiple proteins (thrombin and lysozyme) using Dabcyl-labeled aptamer modified metal nanoparticles (DLAPs). DLAPs were immobilized on β-cyclodextrins (β-CDs) modified electrode by means of host-guest self-assembly. During the time of detection, the aptamers' structure will change due to the specific binding with corresponding proteins that forced DLAPs far away from the electrode that had been modified by β-CDs. Thus, the capture of target proteins onto DLAPs was translated via the electrochemical current signal offered by metal nanoparticles. Linearity of the aptasensor for quantitative measurements was demonstrated. Determinations of proteins in human real serum samples were also performed to demonstrate detection in real clinical samples.
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Affiliation(s)
- Lin Cheng
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China
| | - Jie Zhang
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China
| | - Yan Lin
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China
| | - Qiong Wang
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China
| | - XiuXiu Zhang
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China
| | - YanHua Ding
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China
| | - Hanfeng Cui
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China.
| | - Hao Fan
- Department of Pharmacy, JiangXi University of Traditional Chinese Medicine, JiangXi 330004, People's Republic of China.
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29
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Sensing and Biosensing Applications of Nanoporous Anodic Alumina. ELECTROCHEMICALLY ENGINEERED NANOPOROUS MATERIALS 2015. [DOI: 10.1007/978-3-319-20346-1_7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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30
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Oliveira LC, Lima AMN, Thirstrup C, Neff HF. Design Features of Surface Plasmon Resonance Sensors. SPRINGERBRIEFS IN PHYSICS 2015. [DOI: 10.1007/978-3-319-14926-4_4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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Chemical and Structural Modifications of Nanoporous Alumina and Its Optical Properties. ELECTROCHEMICALLY ENGINEERED NANOPOROUS MATERIALS 2015. [DOI: 10.1007/978-3-319-20346-1_8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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32
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Surface Plasmon Resonance Based Label-Free Detection of Salmonella using DNA Self Assembly. Appl Biochem Biotechnol 2014; 175:1330-43. [DOI: 10.1007/s12010-014-1319-y] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Accepted: 10/15/2014] [Indexed: 10/24/2022]
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Kumeria T, Santos A, Losic D. Nanoporous anodic alumina platforms: engineered surface chemistry and structure for optical sensing applications. SENSORS (BASEL, SWITZERLAND) 2014; 14:11878-918. [PMID: 25004150 PMCID: PMC4168464 DOI: 10.3390/s140711878] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Revised: 06/23/2014] [Accepted: 06/25/2014] [Indexed: 12/27/2022]
Abstract
Electrochemical anodization of pure aluminum enables the growth of highly ordered nanoporous anodic alumina (NAA) structures. This has made NAA one of the most popular nanomaterials with applications including molecular separation, catalysis, photonics, optoelectronics, sensing, drug delivery, and template synthesis. Over the past decades, the ability to engineer the structure and surface chemistry of NAA and its optical properties has led to the establishment of distinctive photonic structures that can be explored for developing low-cost, portable, rapid-response and highly sensitive sensing devices in combination with surface plasmon resonance (SPR) and reflective interference spectroscopy (RIfS) techniques. This review article highlights the recent advances on fabrication, surface modification and structural engineering of NAA and its application and performance as a platform for SPR- and RIfS-based sensing and biosensing devices.
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Affiliation(s)
- Tushar Kumeria
- School of Chemical Engineering, Engineering North Building, The University of Adelaide, North Terrace Campus, Adelaide SA 5005, Australia.
| | - Abel Santos
- School of Chemical Engineering, Engineering North Building, The University of Adelaide, North Terrace Campus, Adelaide SA 5005, Australia.
| | - Dusan Losic
- School of Chemical Engineering, Engineering North Building, The University of Adelaide, North Terrace Campus, Adelaide SA 5005, Australia.
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Hammond JL, Bhalla N, Rafiee SD, Estrela P. Localized surface plasmon resonance as a biosensing platform for developing countries. BIOSENSORS-BASEL 2014; 4:172-88. [PMID: 25587417 PMCID: PMC4264378 DOI: 10.3390/bios4020172] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 06/09/2014] [Accepted: 06/17/2014] [Indexed: 11/16/2022]
Abstract
The discovery of the phenomena known as localized surface plasmon resonance (LSPR) has provided the basis for many research areas, ranging from materials science to biosensing. LSPR has since been viewed as a transduction platform that could yield affordable, portable devices for a multitude of applications. This review aims to outline the potential applications within developing countries and the challenges that are likely to be faced before the technology can be effectively employed.
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Affiliation(s)
- Jules L Hammond
- Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, UK; E-Mails: (J.L.H.); (N.B.); (S.D.R.)
| | - Nikhil Bhalla
- Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, UK; E-Mails: (J.L.H.); (N.B.); (S.D.R.)
| | - Sarah D Rafiee
- Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, UK; E-Mails: (J.L.H.); (N.B.); (S.D.R.)
| | - Pedro Estrela
- Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, UK; E-Mails: (J.L.H.); (N.B.); (S.D.R.)
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Tokel O, Inci F, Demirci U. Advances in plasmonic technologies for point of care applications. Chem Rev 2014; 114:5728-52. [PMID: 24745365 PMCID: PMC4086846 DOI: 10.1021/cr4000623] [Citation(s) in RCA: 224] [Impact Index Per Article: 22.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Indexed: 12/12/2022]
Affiliation(s)
- Onur Tokel
- Demirci
Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical
School, Cambridge, Massachusetts 02139, United States
| | - Fatih Inci
- Demirci
Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical
School, Cambridge, Massachusetts 02139, United States
- Demirci
Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Canary Center at Stanford
for Cancer Early Detection, Palo
Alto, California 94304, United States
| | - Utkan Demirci
- Demirci
Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical
School, Cambridge, Massachusetts 02139, United States
- Division of Infectious Diseases, Brigham
and Women’s Hospital, Harvard Medical
School, Boston, Massachusetts 02115, United States
- Harvard-MIT
Health Sciences and Technology, Cambridge, Massachusetts 02139, United States
- Demirci
Bio-Acoustic-MEMS in Medicine (BAMM) Laboratory, Stanford University School of Medicine, Canary Center at Stanford
for Cancer Early Detection, Palo
Alto, California 94304, United States
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36
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Cheng XR, Hau BY, Endo T, Kerman K. Au nanoparticle-modified DNA sensor based on simultaneous electrochemical impedance spectroscopy and localized surface plasmon resonance. Biosens Bioelectron 2014; 53:513-8. [DOI: 10.1016/j.bios.2013.10.003] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2013] [Revised: 09/27/2013] [Accepted: 10/04/2013] [Indexed: 12/17/2022]
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37
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Self-aligned colocalization of 3D plasmonic nanogap arrays for ultra-sensitive surface plasmon resonance detection. Biosens Bioelectron 2014; 51:401-7. [DOI: 10.1016/j.bios.2013.08.008] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 07/31/2013] [Accepted: 08/09/2013] [Indexed: 11/20/2022]
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38
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Huang L, Yang X, Qi C, Niu X, Zhao C, Zhao X, Shangguan D, Yang Y. A label-free electrochemical biosensor based on a DNA aptamer against codeine. Anal Chim Acta 2013; 787:203-10. [PMID: 23830440 DOI: 10.1016/j.aca.2013.05.024] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Revised: 05/01/2013] [Accepted: 05/04/2013] [Indexed: 01/27/2023]
Abstract
In order to develop a sensor for opium alkaloid codeine detection, DNA aptamers against codeine were generated by SELEX (systematic evolution of ligands by exponential enrichment) technique. An aptamer HL7-14, which is a 37-mer sequence with Kd values of 0.91 μM, was optimized by the truncation-mutation assay. The specificity investigation shows that HL7-14 exhibits high specificity to codeine over morphine, and almost cannot bind to other small molecule. With this new selected aptamer, a novel electrochemical label-free codeine aptamer biosensor based on Au-mesoporous silica nanoparticles (Au-MSN) as immobilized substrate has been proposed using [Fe(CN)6](3-/4-) as electroactive redox probe. The linear range covered from 10 pM to 100 nM with correlation coefficient of 0.9979 and the detection limit was 3 pM. Our study demonstrates that the biosensor has good specificity, stability and well regeneration. It can be used to detect codeine.
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Affiliation(s)
- Liangliang Huang
- Chemistry and Chemical Engineering College, Yunnan Normal University, Kunming 650092, China
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39
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Santos A, Kumeria T, Losic D. Nanoporous anodic aluminum oxide for chemical sensing and biosensors. Trends Analyt Chem 2013. [DOI: 10.1016/j.trac.2012.11.007] [Citation(s) in RCA: 113] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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40
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Huang H, Chen S, Liu F, Zhao Q, Liao B, Yi S, Zeng Y. Multiplex Plasmonic Sensor for Detection of Different Metal Ions Based on a Single Type of Gold Nanorod. Anal Chem 2013; 85:2312-9. [DOI: 10.1021/ac303305j] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Haowen Huang
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
| | - Shenna Chen
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
| | - Fang Liu
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
| | - Qian Zhao
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
| | - Bo Liao
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
| | - Shoujun Yi
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
| | - Yunlong Zeng
- Laboratory
of Theoretical Chemistry and Molecular Simulation
of Ministry of Education. School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan,
P. R. China
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41
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Jeong HH, Erdene N, Park JH, Jeong DH, Lee HY, Lee SK. Real-time label-free immunoassay of interferon-gamma and prostate-specific antigen using a Fiber-Optic Localized Surface Plasmon Resonance sensor. Biosens Bioelectron 2012; 39:346-51. [PMID: 22951530 DOI: 10.1016/j.bios.2012.08.013] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 07/26/2012] [Accepted: 08/07/2012] [Indexed: 10/28/2022]
Abstract
A Fiber-Optic Localized Surface Plasmon Resonance (FO LSPR) sensor was fabricated using spherical gold nanoparticles (Au NPs) on a flattened end-face of the optical fiber. The Au NPs were easily synthesized by the Turkevich method and were immobilized on the end-face of the optical fiber by using a self-assembled monolayer (SAM). In order to examine the possibility of its application as a biosensor for label-free immunoassays, the fabricated FO LSPR sensor was used for the detection of the antibody-antigen reaction of interferon-gamma (IFN-γ) and the limit of detection (LOD) was approximately 2pg/ml. Herein, The antibodies and bovine serum albumins (BSAs) were immobilized on the Au NPs by physisorption. Also, the FO LSPR sensor was used for the detection of a prostate-specific antigen (PSA) and the LOD was 1pg/ml below. The fabricated FO LSPR sensor can be used for real-time label-free immunoassay having fast detection time, high resolution and sensitivity. In addition, the proposed sensor platform has the advantages of low cost, simple optical setup, remote sensing, simple fabrication, real-time detection, low sample volume, and potential application to in-vivo detection systems.
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Affiliation(s)
- Hyeon-Ho Jeong
- Department of Nuclear Medicine, SNU College of Medicine, Institute of Radiation Medicine, SNUMRC, 28 Yongon-Dong, Chongno-Gu, Seoul 110-799, Republic of Korea.
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42
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Saito M, Kitamura A, Murahashi M, Yamanaka K, Hoa LQ, Yamaguchi Y, Tamiya E. Novel gold-capped nanopillars imprinted on a polymer film for highly sensitive plasmonic biosensing. Anal Chem 2012; 84:5494-500. [PMID: 22670829 DOI: 10.1021/ac300307e] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein, a nanoporous alumina was fabricated to use as a mold in transforming nanopillar structures onto a thin film polymer by thermal nanoimprint lithography (NIL). The size of the pores was successfully controlled by varying the applied voltages and etching time. These nanoporous structures were transferred to the Cyclo-olefin polymer (COP) film surface from the porous mold by a thermal nanoimprinting process. A plasmonic substrate was fabricated by sputtering a thin layer of gold onto this nanopillar polymer structure, and the refractive index response in a variety of media was evaluated. Finally, the biosensing capacity of this novel plasmonic substrate was verified by analysis of Human immunoglobulin and achieved a minimum detection limit of 1.0 ng/mL. With the advantages of mass production with consistent reproducibility stemming from the nanoimprint fabrication process, our gold-capped polymeric pillars are ready for the transition from academic interest into commercialization systems for practical use in diagnostic applications.
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Affiliation(s)
- Masato Saito
- Department of Applied Physics, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan.
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43
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Hotta K, Yamaguchi A, Teramae N. Nanoporous waveguide sensor with optimized nanoarchitectures for highly sensitive label-free biosensing. ACS NANO 2012; 6:1541-7. [PMID: 22233297 DOI: 10.1021/nn204494z] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Label-free optical biosensors have attracted much attention, and nanoporous metal-oxide membranes with uniform pore structure and diameter are promising candidates for platforms of label-free optical biosensors. However, development of such sensors with high sensitivity still remains challenging. In this paper, we report on the remarkably enhanced sensitivity of a label-free nanoporous optical waveguide (NPWG) sensor composed of a porous anodic alumina (PAA) waveguiding film and an aluminum cladding film. The enhanced sensitivity was achieved by engineering nanostructures and tuning optical properties of the PAA film. Careful tuning of the porosity, pore density, thickness, and refractive index of the PAA film could significantly improve the sensitivity of the NPWG sensor toward adsorption of bovine serum albumin (BSA) onto the PAA surface, and the optimized sensor responded to the adsorption of BSA with an extraordinarily large red shift (>300 nm) of a waveguide mode due to the large adsorption capacity of the PAA film and the inherently high sensitivity of the waveguide mode. The Fresnel calculations suggested that the potential sensitivity of the NPWG sensor was much higher than that of the conventional surface plasmon resonance (SPR) sensors.
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Affiliation(s)
- Kazuhiro Hotta
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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44
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Kussrow A, Enders CS, Bornhop DJ. Interferometric methods for label-free molecular interaction studies. Anal Chem 2012; 84:779-92. [PMID: 22060037 PMCID: PMC4317347 DOI: 10.1021/ac202812h] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Amanda Kussrow
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, 7330 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Carolyn S. Enders
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, 7330 Stevenson Center, Nashville, Tennessee 37235, United States
| | - Darryl J. Bornhop
- Department of Chemistry and Vanderbilt Institute of Chemical Biology, Vanderbilt University, 7330 Stevenson Center, Nashville, Tennessee 37235, United States
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45
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Wang L, Chen X, Wang X, Han X, Liu S, Zhao C. Electrochemical synthesis of gold nanostructure modified electrode and its development in electrochemical DNA biosensor. Biosens Bioelectron 2011; 30:151-7. [DOI: 10.1016/j.bios.2011.09.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2011] [Revised: 08/26/2011] [Accepted: 09/09/2011] [Indexed: 10/17/2022]
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46
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Yeom SH, Kim OG, Kang BH, Kim KJ, Yuan H, Kwon DH, Kim HR, Kang SW. Highly sensitive nano-porous lattice biosensor based on localized surface plasmon resonance and interference. OPTICS EXPRESS 2011; 19:22882-22891. [PMID: 22109166 DOI: 10.1364/oe.19.022882] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We propose a design for a highly sensitive biosensor based on nanostructured anodized aluminum oxide (AAO) substrates. A gold-deposited AAO substrate exhibits both optical interference and localized surface plasmon resonance (LSPR). In our sensor, application of these disparate optical properties overcomes problems of limited sensitivity, selectivity, and dynamic range seen in similar biosensors. We fabricated uniform periodic nanopore lattice AAO templates by two-step anodizing and assessed their suitability for application in biosensors by characterizing the change in optical response on addition of biomolecules to the AAO template. To determine the suitability of such structures for biosensing applications, we immobilized a layer of C-reactive protein (CRP) antibody on a gold coating atop an AAO template. We then applied a CRP antigen (Ag) atop the immobilized antibody (Ab) layer. The shift in reflectance is interpreted as being caused by the change in refractive index with membrane thickness. Our results confirm that our proposed AAO-based biosensor is highly selective toward detection of CRP antigen, and can measure a change in CRP antigen concentration of 1 fg/ml. This method can provide a simple, fast, and sensitive analysis for protein detection in real-time.
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Affiliation(s)
- Se-Hyuk Yeom
- School of Electrical Engineering and Computer Science, Kyungpook National University, 1370 Sankyuk-dong, Bukgu, 702-701 Daegu, South Korea
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47
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Xiao W, Huang J. Immobilization of oligonucleotides onto zirconia-modified filter paper and specific molecular recognition. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:12284-12288. [PMID: 21905718 DOI: 10.1021/la203150f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A morphologically complex cellulosic substance (e.g., commercial filter paper) was employed as a substrate for DNA immobilization and successive recognition. A uniform ultrathin zirconia gel film was first deposited on each cellulose nanofiber in bulk filter paper by a facile sol-gel process. Relying on the large surface area of filter paper and the strong affinity of zirconia for the phosphate group, terminal-phosphate probe DNA was abundantly immobilized on the zirconia-modified filter paper so as to convert the composite to a biofunctional material for the sensitive and repetitive recognition of the corresponding complementary target DNA on the nanomolar level. By contrast, in spite of the viability of the immobilization of the probe DNA and the recognition of target DNA on the quartz plate, the amount of captured probe DNA or recognized target DNA on such a flat substrate was much less than that captured or recognized on filter paper, resulting in a relatively insensitive recognition event. Moreover, control experiments on bare filter paper (without a zirconia nanocoating) suggested that the zirconia gel film was essential to probe DNA immobilization and subsequent target DNA recognition.
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Affiliation(s)
- Wei Xiao
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, China
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48
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Feng J, Zhao W, Su B, Wu J. A label-free optical sensor based on nanoporous gold arrays for the detection of oligodeoxynucleotides. Biosens Bioelectron 2011; 30:21-7. [PMID: 21925859 DOI: 10.1016/j.bios.2011.08.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Revised: 08/16/2011] [Accepted: 08/16/2011] [Indexed: 11/15/2022]
Abstract
Interest in using nanoporous materials for sensing applications has increased. The present study reports a method of preparing well-ordered nanoporous gold arrays using a porous silicon (PSi) template. Gold nanolayer could be electrodeposited on the surface of the PSi template at low electrolysis currents in low concentration of chloroauric acid (HAuCl(4)) solution. Surface morphology characterizations and optical measurements revealed that a PSi-templated nanoporous gold (Au-PSi) array well replicated the nanoporous structure and retained the optical properties of PSi. Fourier transform reflectometric interference spectra showed that a characteristic blue-shifted effective optical thickness (EOT) was observed due to the low refractive index of the gold film. An optical DNA biosensor was then fabricated via the self-assembly of single-stranded DNA (ssDNA) with a specific sequence on the surface of Au-PSi. The attachment of ssDNA and its hybridization with target oligonucleotides (ODNs) persistently caused the blue shift of the EOT. Consequently, a relationship between the EOT shift and the ODN concentration was established. The mechanism of the optical response caused by DNA hybridization on the Au-PSi surface was qualitatively explained by the electromagnetic theory and electrochemical impedance spectroscopy (EIS). The lowest detection limit for target ODNs was estimated at around 10(-14) mol L(-1), when the baseline noise, a variation in the value of EOT is around 5 nm. The fabricated Au-PSi based optical biosensor has potential use in the discovery of new ODN drugs because it will be able to detect the binding event between ODNs and the target DNA.
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Affiliation(s)
- Jiandong Feng
- Institute of Microanalytical System, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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49
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Liu X, Qu X, Dong J, Ai S, Han R. Electrochemical detection of DNA hybridization using a change in flexibility. Biosens Bioelectron 2011; 26:3679-82. [DOI: 10.1016/j.bios.2011.01.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2010] [Revised: 01/25/2011] [Accepted: 01/27/2011] [Indexed: 11/30/2022]
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50
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Gold nanoparticle-based inductively coupled plasma mass spectrometry amplification and magnetic separation for the sensitive detection of a virus-specific RNA sequence. J Chromatogr A 2011; 1218:1795-801. [DOI: 10.1016/j.chroma.2011.02.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Revised: 12/26/2010] [Accepted: 02/03/2011] [Indexed: 11/22/2022]
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