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Inomata T, Endo S, Ido H, Miyamoto M, Ichikawa H, Sugita R, Ozawa T, Masuda H. Detection of Microorganisms Using Artificial Siderophore-Fe III Complex-Modified Substrates. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:2632-2645. [PMID: 38252152 DOI: 10.1021/acs.langmuir.3c03084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Four FeIII complexes of typical artificial siderophore ligands containing catecholate and/or hydroxamate groups of tricatecholate, biscatecholate-monohydroxamate, monocatecholate-bishydroxamate, and trihydroxamate type artificial siderophores (K3[FeIIILC3], K2[FeIIILC2H1], K[FeIIILC1H2], and [FeIIILH3]) were modified on Au substrate surfaces. Their abilities to adsorb microorganisms were investigated using scanning electron microscopy, quartz crystal microbalance, and AC impedance methods. The artificial siderophore-iron complexes modified on Au substrates (FeLC3/Au, FeLC2H1/Au, FeLC1H2/Au, and FeLH3/Au) showed the selective immobilization behavior for various microorganisms, depending on the structural features of the artificial siderophores (the number of catecholate and hydroxamate arms). Their specificities corresponded well with the structural characteristics of natural siderophores released by microorganisms and used for FeIII ion uptake. These findings suggest that they were generated via specific interactions between the artificial siderophore-FeIII complexes and the receptors on microorganism surfaces. Our observations revealed that the FeL/Au systems may be potentially used as effective microbe-capturing probes that can enable rapid and simple detection and identification of various microorganisms.
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Affiliation(s)
- Tomohiko Inomata
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Suguru Endo
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Hiroki Ido
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Masakazu Miyamoto
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Hiroki Ichikawa
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Ririka Sugita
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Tomohiro Ozawa
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Hideki Masuda
- Department of Life Science and Applied Chemistry, Graduate School of Science, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
- Department of Applied Chemistry, Aichi Institute of Technology, 1247 Yachigusa, Yakusa-cho, Toyota 470-0392, Japan
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Endo S, Ozawa T, Inomata T, Masuda H. [Microorganism Immobilization Device Using Artificial Siderophores]. YAKUGAKU ZASSHI 2024; 144:643-650. [PMID: 38825473 DOI: 10.1248/yakushi.23-00197-3] [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] [Indexed: 06/04/2024]
Abstract
Inspired by the mechanism by which microorganisms utilize siderophores to ingest iron, four different FeIII complexes of typical artificial siderophore ligands containing catecholate and/or hydroxamate groups, K3[FeIII-LC3], K2[FeIII-LC2H1], K[FeIII-LC1H2], and [FeIII-LH3], were prepared. They were modified on an Au substrate surface (Fe-L/Au) and applied as microorganism immobilization devices for fast, sensitive, selective detection of microorganisms, where H6LC3, H5LC2H1, H4LC1H2, and H3LH3 denote the tri-catecholate, biscatecholate-monohydroxamate, monocatecholate-bishydroxamate, and tri-hydroxamate type of artificial siderophores, respectively. Their adsorption properties for the several microorganisms were investigated using scanning electron microscopy (SEM), quartz crystal microbalance (QCM), and electric impedance spectroscopy (EIS) methods. The artificial siderophore-iron complexes modified on the Au substrates Fe-LC3/Au, Fe-LC2H1/Au, Fe-LC1H2/Au, and Fe-LH3/Au showed specific microorganism immobilization behavior with selectivity based on the structure of the artificial siderophores. Their specificities corresponded well with the structural characteristics of natural siderophores that microorganisms release from the cell and/or use to take up an iron. These findings suggest that release and uptake are achieved through specific interactions between the artificial siderophore-FeIII complexes and receptors on the cell surfaces of microorganisms. This study revealed that Fe-L/Au systems have specific potential to serve as effective immobilization probes of microorganisms for rapid, selective detection and identification of a variety of microorganisms.
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Affiliation(s)
- Suguru Endo
- Graduate School of Engineering, Nagoya Institute of Technology
| | - Tomohiro Ozawa
- Graduate School of Engineering, Nagoya Institute of Technology
| | | | - Hideki Masuda
- Graduate School of Engineering, Nagoya Institute of Technology
- Faculty of Engineering, Aichi Institute of Technology
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Saffari Z, Sepahi M, Ahangari-Cohan R, Khoobi M, Hamidi-Fard M, Ghavidel A, Aghasadeghi MR, Norouzian D. A quartz crystal microbalance biosensor based on polyethylenimine-modified gold electrode to detect hepatitis B biomarker. Anal Biochem 2023; 661:114981. [PMID: 36400147 DOI: 10.1016/j.ab.2022.114981] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/25/2022] [Accepted: 11/07/2022] [Indexed: 11/17/2022]
Abstract
Biomarkers-based QCM-biosensors are suitable tools for the label-free detection of infectious diseases. In the current study, a QCM-biosensor was developed for the detection of HBsAg. Briefly, anti-HBsAg antibodies were covalently bound to the primary amines after PEI and thiolated-PEI surface modifications of gold-electrode. After RSM optimization, the statistical analysis revealed no significant difference between the immobilization yields of modified layers. Therefore, the PEI-modified QCM-biosensor was selected for further analysis. The PEI-surface was evaluated by FESEM, AFM, ATR-FTIR, and CA measurement. The surface hydrophilicity and its roughness were increased after PEI-coating. Also, FTIR confirmed the PEI-layering on the gold-surface. RSM optimization increased the antibody immobilization yield up to 80%. The QCM-biosensor showed noteworthy results with a wide dynamic range of 1-1 × 103 ng/mL, LOD of 3.14 ng/mL, LOQ of 9.52 ng/mL, and detection capability in human-sera, which were comparable with the ELISA. The mean accuracy of the QCM-biosensor was obtained at 91% when measured by the spike recovery test using human-sera. The biosensor was completely regenerated using 50 mM NaOH and 1% SDS. The benefits provided by the developed biosensor such as broad dynamic range, sensitivity, selectivity, stability, regenerate ability, and low cost suggest its potential application for the non-invasive and timely monitoring of HBV-biomarker.
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Affiliation(s)
- Zahra Saffari
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran
| | - Mina Sepahi
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran
| | - Reza Ahangari-Cohan
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran
| | - Mehdi Khoobi
- Departments of Radio Pharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Medical Biomaterials Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Amir Ghavidel
- Physics Department, Sharif University of Technology, Tehran, Iran
| | - Mohammad Reza Aghasadeghi
- Hepatitis and AIDS Department, Pasteur Institute of Iran, Tehran, Iran; Viral Vaccine Research Center, Pasteur Institute of Iran, Tehran, Iran.
| | - Dariush Norouzian
- Nanobiotechnology Department, New Technologies Research Group, Pasteur Institute of Iran, Tehran, Iran.
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Soylu MÇ, Azgin ST. Sensitive Multi‐Detection of
Escherichia coli
by Quartz Crystal Microbalance with a Novel Surface Controllable Sensing Method in Liquid Organic Fertilizer Produced by Sewage Sludge. ChemistrySelect 2021. [DOI: 10.1002/slct.202102149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mehmet Çağrı Soylu
- Biological and Medical Diagnostic Sensors Laboratory (BioMeD Sensors Lab) Department of Biomedical Engineering Erciyes University Kayseri 38039 Turkey
| | - Sukru Taner Azgin
- Department of Environmental Engineering Erciyes University Kayseri 38039 Turkey
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A Quartz Crystal Microbalance Immunosensor for Stem Cell Selection and Extraction. SENSORS 2017; 17:s17122747. [PMID: 29182568 PMCID: PMC5751627 DOI: 10.3390/s17122747] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 11/21/2017] [Accepted: 11/24/2017] [Indexed: 02/07/2023]
Abstract
A cost-effective immunosensor for the detection and isolation of dental pulp stem cells (DPSCs) based on a quartz crystal microbalance (QCM) has been developed. The recognition mechanism relies on anti-CD34 antibodies, DPSC-specific monoclonal antibodies that are anchored on the surface of the quartz crystals. Due to its high specificity, real time detection, and low cost, the proposed technology has a promising potential in the field of cell biology, for the simultaneous detection and sorting of stem cells from heterogeneous cell samples. The QCM surface was properly tailored through a biotinylated self-assembled monolayer (SAM). The biotin–avidin interaction was used to immobilize the biotinylated anti-CD34 antibody on the gold-coated quartz crystal. After antibody immobilization, a cellular pellet, with a mixed cell population, was analyzed; the results indicated that the developed QCM immunosensor is highly specific, being able to detect and sort only CD34+ cells. Our study suggests that the proposed technology can detect and efficiently sort any kind of cell from samples with high complexity, being simple, selective, and providing for more convenient and time-saving operations.
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Poller AM, Spieker E, Lieberzeit PA, Preininger C. Surface Imprints: Advantageous Application of Ready2use Materials for Bacterial Quartz-Crystal Microbalance Sensors. ACS APPLIED MATERIALS & INTERFACES 2017; 9:1129-1135. [PMID: 27936575 DOI: 10.1021/acsami.6b13888] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Four different materials (two ab initio synthesized polyurethanes; ready-to-use: Epon1002F and poly(vinyl alcohol)/N-methyl-4(4'-formylstyryl)pyridinium methosulfate acetal) for the generation of Escherichia coli surface imprints are compared in this work. The use of commercially available, ready-to-use materials instead of self-synthesized polymers represents an innovative and convenient way of molecular imprint fabrication. This was herein investigated for large, biological templates. Fully synthesized imprint materials (polyurethanes) were developed and optimized regarding their OH excess and the use of catalyst in the polymerization reaction. No to low OH excess (0-10%) and a noncatalyzed synthesis were determined to be superior for the imprinting of the Gram-negative bacteria. Imprints were characterized using atomic force microscopy, with Epon1002F yielding the most distinguished imprints, along with a smooth surface. The imprints were afterward tested as plastic antibody coatings in a mass-sensitive quartz-crystal microbalance measurement. Dilutions of E. coli suspensions, down to a limit of detection of 1.4 × 107 CFU/mL, were successfully measured. Best results were obtained with Epon1002F and self-synthesized, stoichiometric polyurethane. Since ready-to-use Epon1002F was superior in terms of signal intensities and sensitivity, it can advantageously replace self-synthesized polymers for the generation of imprinted sensor surfaces. Easy day-to-day reproducibility and further shortening of imprint fabrication time are other advantages of employing the ready-to-use material instead of conventionally synthesized polymers.
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Affiliation(s)
- Anna-Maria Poller
- AIT - Austrian Institute of Technology, Konrad-Lorenz-Straße 24, 3430 Tulln, Austria
| | - Eva Spieker
- Department of Physical Chemistry, Faculty for Chemistry, University of Vienna , Währinger Straße 42, 1090 Wien, Austria
| | - Peter A Lieberzeit
- Department of Physical Chemistry, Faculty for Chemistry, University of Vienna , Währinger Straße 42, 1090 Wien, Austria
| | - Claudia Preininger
- AIT - Austrian Institute of Technology, Konrad-Lorenz-Straße 24, 3430 Tulln, Austria
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Zeidan E, Kepley CL, Sayes C, Sandros MG. Surface plasmon resonance: a label-free tool for cellular analysis. Nanomedicine (Lond) 2016; 10:1833-46. [PMID: 26080702 DOI: 10.2217/nnm.15.31] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Surface plasmon resonance (SPR) is a popular technique that allows for sensitive, specific, label-free and real-time assessment of biomolecular interactions. SPR is a nondestructive, modular and flexible tool for various applications in biomedical sciences ranging from cell sorting, cell surface characterization and drug discovery. In this review, we will discuss more specifically how SPR is used to monitor the dynamics of various types of cellular binding events and morphological adherence changes in response to external stimuli.
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Affiliation(s)
- Effat Zeidan
- University of North Carolina at Greensboro, Department of Nanoscience, 2907 E Lee Street, Greensboro, NC, 27401, USA
| | - Christopher L Kepley
- University of North Carolina at Greensboro, Department of Nanoscience, 2907 E Lee Street, Greensboro, NC, 27401, USA
| | - Christie Sayes
- University of North Carolina at Greensboro, Department of Nanoscience, 2907 E Lee Street, Greensboro, NC, 27401, USA
| | - Marinella G Sandros
- University of North Carolina at Greensboro, Department of Nanoscience, 2907 E Lee Street, Greensboro, NC, 27401, USA
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Daneshpour M, moradi LS, Izadi P, Omidfar K. Femtomolar level detection of RASSF1A tumor suppressor gene methylation by electrochemical nano-genosensor based on Fe 3 O 4 /TMC/Au nanocomposite and PT-modified electrode. Biosens Bioelectron 2016; 77:1095-103. [DOI: 10.1016/j.bios.2015.11.007] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/20/2015] [Accepted: 11/02/2015] [Indexed: 10/22/2022]
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Asiaei S, Smith B, Nieva P. Enhancing conjugation rate of antibodies to carboxylates: Numerical modeling of conjugation kinetics in microfluidic channels and characterization of chemical over-exposure in conventional protocols by quartz crystal microbalance. BIOMICROFLUIDICS 2015; 9:064115. [PMID: 26697125 PMCID: PMC4684571 DOI: 10.1063/1.4937929] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2015] [Accepted: 12/01/2015] [Indexed: 06/05/2023]
Abstract
This research reports an improved conjugation process for immobilization of antibodies on carboxyl ended self-assembled monolayers (SAMs). The kinetics of antibody/SAM binding in microfluidic heterogeneous immunoassays has been studied through numerical simulation and experiments. Through numerical simulations, the mass transport of reacting species, namely, antibodies and crosslinking reagent, is related to the available surface concentration of carboxyl ended SAMs in a microchannel. In the bulk flow, the mass transport equation (diffusion and convection) is coupled to the surface reaction between the antibodies and SAM. The model developed is employed to study the effect of the flow rate, conjugating reagents concentration, and height of the microchannel. Dimensionless groups, such as the Damköhler number, are used to compare the reaction and fluidic phenomena present and justify the kinetic trends observed. Based on the model predictions, the conventional conjugation protocol is modified to increase the yield of conjugation reaction. A quartz crystal microbalance device is implemented to examine the resulting surface density of antibodies. As a result, an increase in surface density from 321 ng/cm(2), in the conventional protocol, to 617 ng/cm(2) in the modified protocol is observed, which is quite promising for (bio-) sensing applications.
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Affiliation(s)
| | | | - Patricia Nieva
- Department of Mechanical and Mechatronics Engineering, University of Waterloo , Waterloo, Ontario N2L 3G1, Canada
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Hossain SMZ, Ozimok C, Sicard C, Aguirre SD, Ali MM, Li Y, Brennan JD. Multiplexed paper test strip for quantitative bacterial detection. Anal Bioanal Chem 2012; 403:1567-76. [DOI: 10.1007/s00216-012-5975-x] [Citation(s) in RCA: 172] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Revised: 03/21/2012] [Accepted: 03/26/2012] [Indexed: 11/30/2022]
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Identification, isolation, characterization, and banking of human dental pulp stem cells. Methods Mol Biol 2012; 879:443-63. [PMID: 22610575 DOI: 10.1007/978-1-61779-815-3_26] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Dental pulp stem cells (DPSCs) can be found within the "cell rich zone" of the dental pulp. Their embryonic origin, from neural crests, explains their multipotency. Up to now, it has been demonstrated that these cells are capable of producing bone tissue, both in vitro and in vivo, as well as a simil-dentin tissue, in vitro. In addition, it has been reported that these cells differentiate into adipocytes, endotheliocytes, melanocytes, neurons, and glial cells and can be easily cryopreserved and stored for long periods of time and retain their multipotency and bone-producing capacity. Moreover, recent attention has been focused on tissue engineering and on the properties of these cells: several scaffolds have been used to promote 3D tissue formation and studies have demonstrated that DPSCs show good adherence and bone tissue formation on microconcavity surface textures. In addition, adult bone tissue with good vascularization has been obtained in grafts. Interestingly, they seem to possess immunoprivileges as they can be grafted into allogenic tissues and seem to exert anti-inflammatory abilities, like many other mesenchymal stem cells. Their recent use in clinical trials for bone repair enforces the notion that DPSCs can be used successfully in patients. Therefore, their isolation, selection, differentiation, and banking are of great importance. The isolation technique used in most laboratories is based on the use of flow cytometry with cell sorter termed FACS (fluorescent activated cell sorter). It is now important to obtain new methods/protocols to select and isolate stem cells without staining by fluorescent markers or use of magnetic beads. These new procedures should be based on biophysical differences among the different cell populations in order to obtain interesting peculiarities for implementation in biomedical/clinical laboratories. It is emphasized that the new methods must address simplicity and short times of preparation and use of samples, complete sterility of cells, the potential disposable, low cost and complete maintenance of the viability, and integrity of the cells with real-time response for subsequent applications in the biomedical/clinical/surgical fields.
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Becker B, Cooper MA. A survey of the 2006-2009 quartz crystal microbalance biosensor literature. J Mol Recognit 2011; 24:754-87. [DOI: 10.1002/jmr.1117] [Citation(s) in RCA: 138] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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13
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A sensitive method to detect Escherichia coli based on immunomagnetic separation and real-time PCR amplification of aptamers. Biosens Bioelectron 2009; 24:3550-5. [PMID: 19505816 DOI: 10.1016/j.bios.2009.05.010] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2009] [Revised: 04/22/2009] [Accepted: 05/11/2009] [Indexed: 11/21/2022]
Abstract
Aptamers, single-stranded nucleic acids, provide a unique opportunity as amplifiable molecules using polymerase chain reaction (PCR) as well as recognition molecules like antibodies. We report a highly sensitive detection of Escherichia coli by taking advantage of the aptamer amplification as well as the specific binding of aptamers onto E. coli. This unique approach consists of three steps. First, the target E. coli was captured by antibody-conjugated magnetic beads. Second, the RNA aptamers were bound onto the surface of captured E. coli in a sandwich way. Finally, the heat-released aptamers were amplified by using real-time reverse-transcriptase-PCR (RT-PCR). The aptamer amplification in this approach has enabled a sensitive detection of microorganisms, such as the detection of 10 E. coli in 1 ml sample. When compared to the amplification of nucleic acids extracted from the target microorganisms, this approach can not only prevent the loss of target nucleic acids during the sample preparation by obviating the necessity of cell lysis, but also provide an additional mechanism of signal amplification due to the binding of many aptamers to the surface of each E. coli. Detection of E. coli in this approach showed a wide dynamic range from 10(1) to 10(7)E. coli per ml, which can be explained by the exponential amplification of aptamers. This report has demonstrated, for the first time, the effective use of aptamer amplification in the development of sensitive microorganism detection. It is anticipated that the present approach will be easily expanded and employed in various types of microorganism detection.
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