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Reviakine I. Quartz crystal microbalance in soft and biological interfaces. Biointerphases 2024; 19:010801. [PMID: 38416603 DOI: 10.1116/6.0003312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 02/05/2024] [Indexed: 03/01/2024] Open
Abstract
Applications of quartz crystal microbalance with dissipation to studying soft and biological interfaces are reviewed. The focus is primarily on data analysis through viscoelastic modeling and a model-free approach focusing on the acoustic ratio. Current challenges and future research and development directions are discussed.
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Bonet NF, Cava DG, Vélez M. Quartz crystal microbalance and atomic force microscopy to characterize mimetic systems based on supported lipids bilayer. Front Mol Biosci 2022; 9:935376. [PMID: 35992275 PMCID: PMC9382308 DOI: 10.3389/fmolb.2022.935376] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 07/05/2022] [Indexed: 11/23/2022] Open
Abstract
Quartz Crystal Microbalance (QCM) with dissipation and Atomic Force Microscopy (AFM) are two characterization techniques that allow describing processes taking place at solid-liquid interfaces. Both are label-free and, when used in combination, provide kinetic, thermodynamic and structural information at the nanometer scale of events taking place at surfaces. Here we describe the basic operation principles of both techniques, addressing a non-specialized audience, and provide some examples of their use for describing biological events taking place at supported lipid bilayers (SLBs). The aim is to illustrate current strengths and limitations of the techniques and to show their potential as biophysical characterization techniques.
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Schofield MM, Delgado-Buscalioni R. Quantitative description of the response of finite size adsorbates on a quartz crystal microbalance in liquids using analytical hydrodynamics. SOFT MATTER 2021; 17:8160-8174. [PMID: 34525162 DOI: 10.1039/d1sm00492a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Despite being a fundamental tool in soft matter research and biosensing, quartz crystal microbalance (QCM) analyses of discrete macromolecules in liquids so far lack a firm theoretical basis. Quite often, acoustic signals of discrete particles are qualitatively interpreted using ad hoc frameworks based on effective electrical circuits, effective springs and trapped-solvent models with many fitting parameters. Nevertheless, due to its extreme sensitivity, the QCM technique pledges to become an accurate predictive tool. Using unsteady low Reynolds hydrodynamics we derive analytical expressions for the acoustic impedance of adsorbed discrete spheres. The present approach is successfully validated against 3D simulations and a plethora of experimental results covering more than a decade of research on proteins, viruses, liposomes, and massive nanoparticles, with sizes ranging from a few to hundreds of nanometers. The agreement without fitting parameters indicates that the acoustic response is dominated by the hydrodynamic propagation of the particle surface stress over the resonator. Understanding this leading contribution is a prerequisite for deciphering the secondary contributions arising from the relevant specific molecular and physico-chemical forces.
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Affiliation(s)
- Marc Meléndez Schofield
- Departmento de Fisica de la Materia Condensada, Universidad Autonoma de Madrid, and Institute for Condensed Matter Physics, IFIMAC, Campus de Cantoblanco, Madrid 28049, Spain.
| | - Rafael Delgado-Buscalioni
- Departmento de Fisica de la Materia Condensada, Universidad Autonoma de Madrid, and Institute for Condensed Matter Physics, IFIMAC, Campus de Cantoblanco, Madrid 28049, Spain.
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Milioni D, Mateos-Gil P, Papadakis G, Tsortos A, Sarlidou O, Gizeli E. Acoustic Methodology for Selecting Highly Dissipative Probes for Ultrasensitive DNA Detection. Anal Chem 2020; 92:8186-8193. [PMID: 32449355 DOI: 10.1021/acs.analchem.0c00366] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The objective of this work is to present a methodology for the selection of nanoparticles such as liposomes to be used as acoustic probes for the detection of very low concentrations of DNA. Liposomes, applied in the past as mass amplifiers and detected through frequency measurement, are employed in the current work as probes for energy-dissipation enhancement. Because the dissipation signal is related to the structure of the sensed nanoentity, a systematic investigation of the geometrical features of the liposome/DNA complex was carried out. We introduce the parameter of dissipation capacity by which several sizes of liposome and DNA structures were compared with respect to their ability to dissipate acoustic energy at the level of a single molecule/particle. Optimized 200 nm liposomes anchored to a dsDNA chain led to an improvement of the limit of detection (LoD) by 3 orders of magnitude when compared to direct DNA detection, with the new LoD being 1.2 fmol (or 26 fg/μL or 2 pM). Dissipation monitoring was also shown to be 8 times more sensitive than the corresponding frequency response. The high versatility of this new methodology is demonstrated in the detection of genetic biomarkers down to 1-2 target copies in real samples such as blood. This study offers new prospects in acoustic detection with potential use in real-world diagnostics.
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Affiliation(s)
- Dimitra Milioni
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete 70013, Greece
| | - Pablo Mateos-Gil
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete 70013, Greece
| | - George Papadakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete 70013, Greece
| | - Achilleas Tsortos
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete 70013, Greece
| | - Olga Sarlidou
- Department of Biology, University of Crete, Heraklion, Crete 71110, Greece
| | - Electra Gizeli
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Heraklion, Crete 70013, Greece.,Department of Biology, University of Crete, Heraklion, Crete 71110, Greece
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Tuoriniemi J, Gorton L, Ludwig R, Safina G. Determination of the Distance Between the Cytochrome and Dehydrogenase Domains of Immobilized Cellobiose Dehydrogenase by Using Surface Plasmon Resonance with a Center of Mass Based Model. Anal Chem 2020; 92:2620-2627. [PMID: 31916434 PMCID: PMC7003987 DOI: 10.1021/acs.analchem.9b04490] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Changes
in the tertiary conformation of adsorbed biomolecules can
induce detectable shifts (Δθr) in the surface plasmon resonance (SPR) angle. Here it is shown
how to calculate the corresponding shifts in the adsorbate’s
center of mass (Δzavg) along the
sensing surface normal from the measured Δθr. The novel developed model was used for determining
the mean distance between the cytochrome (CYT) and flavodehydrogenase
(DH) domains of the enzyme cellobiose dehydrogenase (CDH) isolated
from the fungi Neurospora crassa, Corynascus thermophilus, and Myriococcum
thermophilum as a function of pH, [Ca2+], and substrate concentration. SPR confirmed the results from earlier
electrochemical and SAXS studies stating that the closed conformation,
where the two domains are in close vicinity, is stabilized by a lower
pH and an increased [Ca2+]. Interestingly, an increasing
substrate concentration in the absence of any electron acceptors stabilizes
the open conformation as the electrostatic repulsion due to the reaped
electrons pushes the DH and CYT domains apart. The accuracy of distance
determination was limited mostly by the random fluctuations between
replicate measurements, and it was possible to detect movements <1
nm of the domains with respect to each other. The results agreed with
calculations using already established models treating conformational
changes as contraction or expansion of the thickness of the adsorbate
layer (tprotein). Although the models
yielded equivalent results, in this case, the Δzavg-based method also works in situations, where the adsorbate’s
mass is not evenly distributed within the layer.
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Affiliation(s)
- Jani Tuoriniemi
- Department of Chemistry and Molecular Biology , University of Gothenburg , Kemigården 4 , 412 96 Gothenburg , Sweden
| | - Lo Gorton
- Department of Biochemistry and Structural Biology , Lund University , P.O. Box 124, 221 00 Lund , Sweden
| | - Roland Ludwig
- Department of Food Science and Technology , BOKU - University of Natural Resources and Life Sciences , Vienna, Muthgasse 18 , 1190 Vienna , Austria
| | - Gulnara Safina
- Department of Chemistry and Molecular Biology , University of Gothenburg , Kemigården 4 , 412 96 Gothenburg , Sweden.,Division of Biological Physics, Department of Physics , Chalmers University of Technology , Kemigården 1 , 412 96 Gothenburg , Sweden
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Papadakis G, Pantazis AK, Ntogka M, Parasyris K, Theodosi GI, Kaprou G, Gizeli E. 3D-printed Point-of-Care Platform for Genetic Testing of Infectious Diseases Directly in Human Samples Using Acoustic Sensors and a Smartphone. ACS Sens 2019; 4:1329-1336. [PMID: 30964650 DOI: 10.1021/acssensors.9b00264] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The objective of this work is to develop a methodology and associated platform for nucleic acid detection at the point-of-care (POC) that is sensitive, user-friendly, affordable, rapid, and robust. The heart of this system is an acoustic wave sensor, based on a Surface Acoustic Wave (SAW) or Quartz Crystal Microbalance (QCM) device, which is employed for the label-free detection of isothermally amplified target DNA. Nucleic acids amplification and detection is demonstrated inside three crude human samples, i.e., whole blood, saliva, and nasal swab, spiked in with 10-100 Salmonella cells. To qualify for POC applications, a portable platform was developed based on 3D printing, integrating inside a single box: (i) simple fluidics based on plastic tubing and a mini peristaltic pump, (ii) a heating plate combined with disposable reaction tubes for isothermal amplification; (iii) a mini antenna analyzer operated through a tablet; and (iv) an acoustic wave device housing unit. The simplicity of the method combined with smartphone operation and detection, rapid sample-to-answer analysis time (30 min), and high performance (detection limit 4 × 103 CFU/ml) in three of the most important human samples in diagnostics suggest that the methodology could become a tool of choice for nucleic acid detection at the POC. In addition, the low cost of the platform and assay holds promise for its adoption in resource limited areas. The acoustic detection method is shown to give similar results with a standard colorimetric assay carried out in saliva and nasal swab but can also be used to detect nucleic acids inside whole blood, where a colorimetric assay failed to perform.
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Affiliation(s)
- George Papadakis
- Institute of Molecular Biology and Biotechnology-FORTH, 100 N. Plastira Str., Heraklion 70013, Greece
| | - Alexandros K. Pantazis
- Institute of Molecular Biology and Biotechnology-FORTH, 100 N. Plastira Str., Heraklion 70013, Greece
| | - Maria Ntogka
- Department of Biology, University of Crete, Voutes, Heraklion 70013, Greece
| | | | - Gesthimani-Ioanna Theodosi
- Institute of Molecular Biology and Biotechnology-FORTH, 100 N. Plastira Str., Heraklion 70013, Greece
- Department of Biology, University of Crete, Voutes, Heraklion 70013, Greece
| | - Georgia Kaprou
- Department of Biology, University of Crete, Voutes, Heraklion 70013, Greece
- Institute of Nanoscience and Nanotechnology, NCSR-Demokritos, Patr. Gregoriou E’ and 27 Neapoleos Str., 15341 Aghia Paraskevi, Attiki, Greece
| | - Electra Gizeli
- Institute of Molecular Biology and Biotechnology-FORTH, 100 N. Plastira Str., Heraklion 70013, Greece
- Department of Biology, University of Crete, Voutes, Heraklion 70013, Greece
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Papadakis G, Murasova P, Hamiot A, Tsougeni K, Kaprou G, Eck M, Rabus D, Bilkova Z, Dupuy B, Jobst G, Tserepi A, Gogolides E, Gizeli E. Micro-nano-bio acoustic system for the detection of foodborne pathogens in real samples. Biosens Bioelectron 2018; 111:52-58. [DOI: 10.1016/j.bios.2018.03.056] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/21/2018] [Accepted: 03/26/2018] [Indexed: 01/30/2023]
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Madhumitha D, Dhathathreyan A. Interaction of Myoglobin colloids with BSA in solution: Insights into complex formation and elastic compliance. Int J Biol Macromol 2017; 105:1259-1268. [DOI: 10.1016/j.ijbiomac.2017.07.157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/19/2017] [Accepted: 07/26/2017] [Indexed: 11/15/2022]
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Papadakis G, Palladino P, Chronaki D, Tsortos A, Gizeli E. Sample-to-answer acoustic detection of DNA in complex samples. Chem Commun (Camb) 2017; 53:8058-8061. [DOI: 10.1039/c6cc10175e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The present study demonstrates the sensitive and label-free acoustic detection of dsDNA amplicons produced from whole Salmonella Thyphimurium cells without employing any DNA extraction and/or purification step, in the presence of the lysed bacterial cells and in a hybridization-free assay.
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Affiliation(s)
- George Papadakis
- Institute of Molecular Biology and Biotechnology-FORTH
- Heraklion
- Greece
| | | | - Dimitra Chronaki
- Institute of Molecular Biology and Biotechnology-FORTH
- Heraklion
- Greece
- Dept. of Biology
- Univ. of Crete
| | - Achilleas Tsortos
- Institute of Molecular Biology and Biotechnology-FORTH
- Heraklion
- Greece
| | - Electra Gizeli
- Institute of Molecular Biology and Biotechnology-FORTH
- Heraklion
- Greece
- Dept. of Biology
- Univ. of Crete
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