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He Y, Andrade AF, Ménard-Moyon C, Bianco A. Biocompatible 2D Materials via Liquid Phase Exfoliation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310999. [PMID: 38457626 DOI: 10.1002/adma.202310999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 02/17/2024] [Indexed: 03/10/2024]
Abstract
2D materials (2DMs), such as graphene, transition metal dichalcogenides (TMDs), and black phosphorus (BP), have been proposed for different types of bioapplications, owing to their unique physicochemical, electrical, optical, and mechanical properties. Liquid phase exfoliation (LPE), as one of the most effective up-scalable and size-controllable methods, is becoming the standard process to produce high quantities of various 2DM types as it can benefit from the use of green and biocompatible conditions. The resulting exfoliated layered materials have garnered significant attention because of their biocompatibility and their potential use in biomedicine as new multimodal therapeutics, antimicrobials, and biosensors. This review focuses on the production of LPE-assisted 2DMs in aqueous solutions with or without the aid of surfactants, bioactive, or non-natural molecules, providing insights into the possibilities of applications of such materials in the biological and biomedical fields.
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Affiliation(s)
- Yilin He
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Andrés Felipe Andrade
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Cécilia Ménard-Moyon
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
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Meivita MP, Go SX, Mozar FS, Li L, Tan YS, Bajalovic N, Loke DK. Shape complementarity processes for ultrashort-burst sensitive M13-PEG-WS 2-powered MCF-7 cancer cell sensors. NANOSCALE 2023; 15:16658-16668. [PMID: 37800342 DOI: 10.1039/d3nr03573e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
Biomarkers have the potential to be utilized in disease diagnosis, prediction and monitoring. The cancer cell type is a leading candidate for next-generation biomarkers. Although traditional digital biomolecular sensor (DBS) technology has shown to be effective in assessing cell-based interactions, low cell-population detection of cancer cell types is extremely challenging. Here, we controlled the electrical signature of a two-dimensional (2D) nanomaterial, tungsten disulfide (WS2), by utilizing a combination of the Phage-integrated Polymer and the Nanosheet (PPN), viz., the integration of the M13-conjugated polyethylene glycol (PEG) and the WS2, through shape-complementarity phenomena, and developed a sensor system, i.e., the Phage-based DBS (P-DBS), for the specific, rapid, sensitive detection of clinically-relevant MCF-7 cells. The P-DBS attains a detection limit of 12 cells per μL, as well as a contrast of 1.25 between the MCF-10A sample signal and the MCF-7 sample signal. A reading length of 200 μs was further achieved, along with a relative cell viability of ∼100% for both MCF-7 and MCF-10A cells and with the PNN. Atomistic simulations reveal the structural origin of the shape complementarity-facilitated decrease in the output impedance of the P-DBS. The combination of previously unreported exotic sensing materials and digital sensor design represents an approach to unlocking the ultra-sensitive detection of cancer cell types and provides a promising avenue for early cancer diagnosis, staging and monitoring.
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Affiliation(s)
- Maria P Meivita
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372, Singapore.
| | - Shao-Xiang Go
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372, Singapore.
| | - Fitya S Mozar
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372, Singapore.
| | - Lunna Li
- Thomas Young Centre and Department of Chemical Engineering, University College London, London WC1E 7JE, UK
| | - Yaw Sing Tan
- Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore 138671, Singapore
| | - Natasa Bajalovic
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372, Singapore.
| | - Desmond K Loke
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372, Singapore.
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An Efficient, Short Stimulus PANC-1 Cancer Cell Ablation and Electrothermal Therapy Driven by Hydrophobic Interactions. Pharmaceutics 2022; 15:pharmaceutics15010106. [PMID: 36678734 PMCID: PMC9867450 DOI: 10.3390/pharmaceutics15010106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/19/2022] [Accepted: 12/20/2022] [Indexed: 12/31/2022] Open
Abstract
Promising results in clinical studies have been demonstrated by the utilization of electrothermal agents (ETAs) in cancer therapy. However, a difficulty arises from the balance between facilitating the degradation of ETAs, and at the same time, increasing the electrothermal performance/stability required for highly efficient treatment. In this study, we controlled the thermal signature of the MoS2 by harnessing MoS2 nanostructures with M13 phage (MNM) via the structural assembling (hydrophobic interaction) phenomena and developed a combined PANC-1 cancer cell-MNM alternating current (AC)-stimulus framework for cancer cell ablation and electrothermal therapy. A percentage decrease in the cell viability of ~23% was achieved, as well as a degradation time of 2 weeks; a stimulus length of 100 μs was also achieved. Molecular dynamics (MD) simulations revealed the assembling kinetics in integrated M13 phage-cancer cell protein systems and the structural origin of the hydrophobic interaction-enabled increase in thermal conduction. This study not only introduced an 'ideal' agent that avoided the limitations of ETAs but also provided a proof-of-concept application of MoS2-based materials in efficacious cancer therapy.
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Chan SY, Lee D, Meivita MP, Li L, Tan YS, Bajalovic N, Loke DK. Ultrasensitive Detection of MCF-7 Cells with a Carbon Nanotube-Based Optoelectronic-Pulse Sensor Framework. ACS OMEGA 2022; 7:18459-18470. [PMID: 35694527 PMCID: PMC9178712 DOI: 10.1021/acsomega.2c00842] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 04/07/2022] [Indexed: 06/15/2023]
Abstract
Biosensors are of vital significance for healthcare by supporting the management of infectious diseases for preventing pandemics and the diagnosis of life-threatening conditions such as cancer. However, the advancement of the field can be limited by low sensing accuracy. Here, we altered the bioelectrical signatures of the cells using carbon nanotubes (CNTs) via structural loosening effects. Using an alternating current (AC) pulse under light irradiation, we developed a photo-assisted AC pulse sensor based on CNTs to differentiate between healthy breast epithelial cells (MCF-10A) and luminal breast cancer cells (MCF-7) within a heterogeneous cell population. We observed a previously undemonstrated increase in current contrast for MCF-7 cells with CNTs compared to MCF-10A cells with CNTs under light exposure. Moreover, we obtained a detection limit of ∼1.5 × 103 cells below a baseline of ∼1 × 104 cells for existing electrical-based sensors for an adherent, heterogeneous cell population. All-atom molecular dynamics (MD) simulations reveal that interactions between the embedded CNT and cancer cell membranes result in a less rigid lipid bilayer structure, which can facilitate CNT translocation for enhancing current. This as-yet unconsidered cancer cell-specific method based on the unique optoelectrical properties of CNTs represents a strategy for unlocking the detection of a small population of cancer cells and provides a promising route for the early diagnosis, monitoring, and staging of cancer.
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Affiliation(s)
- Sophia
S. Y. Chan
- Department
of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore487372, Singapore
| | - Denise Lee
- Department
of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore487372, Singapore
| | - Maria Prisca Meivita
- Department
of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore487372, Singapore
| | - Lunna Li
- Department
of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore487372, Singapore
- Thomas
Young Centre and Department of Chemical Engineering, University College London, LondonWC1E 6BT, U.K.
| | - Yaw Sing Tan
- Bioinformatics
Institute, Agency for Science, Technology
and Research (A*STAR), Singapore138671, Singapore
| | - Natasa Bajalovic
- Department
of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore487372, Singapore
| | - Desmond K. Loke
- Department
of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore487372, Singapore
- Office
of Innovation, Changi General Hospital, Singapore529889, Singapore
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Lee D, Naikar JS, Chan SSY, Meivita MP, Li L, Tan YS, Bajalovic N, Loke DK. Ultralong recovery time in nanosecond electroporation systems enabled by orientational-disordering processes. NANOSCALE 2022; 14:7934-7942. [PMID: 35603889 DOI: 10.1039/d1nr07362a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The growing importance of applications based on molecular medicine and genetic engineering is driving the need to develop high-performance electroporation technologies. The electroporation phenomenon involves disruption of the cell for increasing membrane permeability. Although there is a multitude of research focused on exploring new electroporation techniques, the engineering of programming schemes suitable for these electroporation methods remains a challenge. Nanosecond stimulations could be promising candidates for these techniques owing to their ability to generate a wide range of biological responses. Here we control the membrane permeabilization of cancer cells using different numbers of electric-field pulses through orientational disordering effects. We then report our exploration of a few-volt nanosecond alternating-current (AC) stimulation method with an increased number of pulses for developing electroporation systems. A recovery time of ∼720 min was achieved, which is above the average of ∼76 min for existing electroporation methods using medium cell populations, as well as a previously unreported increased conductance with an increase in the number of pulses using weak bias amplitudes. All-atom molecular dynamics (MD) simulations reveal the orientation-disordering-facilitated increase in the degree of permeabilization. These findings highlight the potential of few-volt nanosecond AC-stimulation with an increased number of pulse strategies for the development of next-generation low-power electroporation systems.
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Affiliation(s)
- Denise Lee
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372.
| | - J Shamita Naikar
- Office of Innovation, Changi General Hospital, Singapore, 529889
| | - Sophia S Y Chan
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372.
| | - Maria Prisca Meivita
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372.
| | - Lunna Li
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372.
| | - Yaw Sing Tan
- Bioinformatics Institute, Agency for Science, Technology and Research (A*STAR), Singapore 138671
| | - Natasa Bajalovic
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372.
| | - Desmond K Loke
- Department of Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore 487372.
- Office of Innovation, Changi General Hospital, Singapore, 529889
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