1
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Lab-on-a-chip systems for cancer biomarker diagnosis. J Pharm Biomed Anal 2023; 226:115266. [PMID: 36706542 DOI: 10.1016/j.jpba.2023.115266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/20/2023] [Accepted: 01/20/2023] [Indexed: 01/22/2023]
Abstract
Lab-on-a-chip (LOC) or micro total analysis system is one of the microfluidic technologies defined as the adaptation, miniaturization, integration, and automation of analytical laboratory procedures into a single instrument or "chip". In this article, we review developments over the past five years in the application of LOC biosensors for the detection of different types of cancer. Microfluidics encompasses chemistry and biotechnology skills and has revolutionized healthcare diagnosis. Superior to traditional cell culture or animal models, microfluidic technology has made it possible to reconstruct functional units of organs on chips to study human diseases such as cancer. LOCs have found numerous biomedical applications over the past five years, including integrated bioassays, cell analysis, metabolomics, drug discovery and delivery systems, tissue and organ physiology and disease modeling, and personalized medicine. This review provides an overview of the latest developments in microfluidic-based cancer research, with pros, cons, and prospects.
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2
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Kalinin IA, Roslyakov IV, Khmelenin DN, Napolskii KS. Long-Term Operational Stability of Ta/Pt Thin-Film Microheaters: Impact of the Ta Adhesion Layer. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 13:94. [PMID: 36616004 PMCID: PMC9824110 DOI: 10.3390/nano13010094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/22/2022] [Accepted: 12/23/2022] [Indexed: 06/17/2023]
Abstract
Microheaters with long-term stability are crucial for the development of a variety of microelectronic devices operated at high temperatures. Structured Ta/Pt bilayers, in which the Ta sublayer ensures high adhesion of the Pt resistive layer, are widely used to create microheaters. Herein, a comprehensive study of the microstructure of Ta/Pt films using high-resolution transmission electron microscopy with local elemental analysis reveals the twofold nature of Ta after annealing. The main fraction of Ta persists in the form of tantalum oxide between the Pt resistive layer and the alumina substrate. Such a sublayer hampers Pt recrystallization and grain growth in bilayered Ta/Pt films in comparison with pure Pt films. Tantalum is also observed inside the Pt grains as individual Ta nanoparticles, but their volume fraction is only about 2%. Microheaters based on the 10 nm Ta/90 nm Pt bilayers after pre-annealing exhibit long-term stability with low resistance drift at 500 °C (less than 3%/month).
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Affiliation(s)
- Ivan A. Kalinin
- Department of Materials Science, Lomonosov Moscow State University, 119991 Moscow, Russia
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Ilya V. Roslyakov
- Department of Materials Science, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Dmitry N. Khmelenin
- Shubnikov Institute of Crystallography of Federal Scientific Research Center ‘Crystallography and Photonics’, Russian Academy of Sciences, 119333 Moscow, Russia
| | - Kirill S. Napolskii
- Department of Materials Science, Lomonosov Moscow State University, 119991 Moscow, Russia
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
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3
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Sanchez D, Hawkins G, Hinnen HS, Day A, Woolley AT, Nordin GP, Munro T. 3D printing-enabled uniform temperature distributions in microfluidic devices. LAB ON A CHIP 2022; 22:4393-4408. [PMID: 36282069 PMCID: PMC9643673 DOI: 10.1039/d2lc00612j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Many microfluidic processes rely heavily on precise temperature control. Though internally-contained heaters have been developed using traditional fabrication methods, they are limited in their ability to isothermally heat a precisely defined volume. Advances in 3D printing have led to high resolution printers capable of using bio-compatible materials and achieving geometry resolutions near 20 μm. 3D printing's ability to create arbitrary 3D structures with an arbitrary 3D orientation as opposed to traditional microfluidic fabrication methods enables new three-dimensional heater geometries to be created. As examples, we demonstrate three new 3D heater geometries: a non-planar serpentine channel, a tapered helical channel, and a diamond channel. These new geometries are shown through finite element simulation to isothermally heat microfluidic channels of cross section 200 μm × 200 μm with a 0.1 °C temperature difference along up to 91% of a 10 mm length, compared to designs from the literature that are only able to have that same temperature distance over several μms. Finally, a set of design rules to create isothermal regions in 3D based on the desired temperature, heater pitch, heater gradient, and radial space around a target volume are detailed.
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Affiliation(s)
- Derek Sanchez
- Department of Mechanical Engineering, Brigham Young University, Provo, UT, USA.
| | - Garrett Hawkins
- Department of Mechanical Engineering, Brigham Young University, Provo, UT, USA.
| | - Hunter S Hinnen
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, USA
| | - Alison Day
- Department of Mechanical Engineering, Brigham Young University, Provo, UT, USA.
| | - Adam T Woolley
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - Gregory P Nordin
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, USA
| | - Troy Munro
- Department of Mechanical Engineering, Brigham Young University, Provo, UT, USA.
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Luo M, Yukawa H, Baba Y. Micro-/nano-fluidic devices and in vivo fluorescence imaging based on quantum dots for cytologic diagnosis. LAB ON A CHIP 2022; 22:2223-2236. [PMID: 35583091 DOI: 10.1039/d2lc00113f] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Semiconductor quantum dots (QDs) possess attractive merits over traditional organic dyes, such as tunable emission, narrow emission spectra and good resistance against optical bleaching, and play a vital role in biosensing and bioimaging for cytologic diagnoses. Microfluidic technology is a potentially useful strategy, as it provides a rapid platform for tracing of disease markers. In vivo fluorescence imaging (FI) based on QDs has become popular for the analysis of complex biological processes. We herein report the applications of multifunctional fluorescent QDs as sensitive probes for diagnoses on cancer medicine and stem cell therapy via microfluidic chips and in vivo imaging.
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Affiliation(s)
- Minchuan Luo
- Nanobio Analytical Chemistry, Biomolecular Chemistry, Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.
| | - Hiroshi Yukawa
- Nanobio Analytical Chemistry, Biomolecular Chemistry, Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.
- Institute of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Institute for Quantum Life Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology, Anagawa, Inage-ku, Chiba, 263-8555, Japan
- Nagoya University Institute for Advanced Research, Advanced Analytical and Diagnostic Imaging Center (AADIC)/Medical Engineering Unit (MEU), B3 Unit, Tsurumai 65, Showa-ku, Nagoya 466-8550, Japan
- Development of Quantum-nano Cancer Photoimmunotherapy for Clinical Application of Refractory Cancer, Nagoya University, Tsurumai 65, Showa-ku, Nagoya 466-8550, Japan
| | - Yoshinobu Baba
- Nanobio Analytical Chemistry, Biomolecular Chemistry, Department of Biomolecular Engineering, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan.
- Institute of Nano-Life-Systems, Institutes of Innovation for Future Society, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, Japan
- Institute for Quantum Life Science, Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology, Anagawa, Inage-ku, Chiba, 263-8555, Japan
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Meng Q, Qian S, Ding J, Li Q, Zhao X, Su B, Zhang C. Terahertz absorption characteristics of ammonium salt solution based on self-sampling microfluidic chip. Sci Rep 2022; 12:8144. [PMID: 35581221 PMCID: PMC9114126 DOI: 10.1038/s41598-022-11858-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Accepted: 04/29/2022] [Indexed: 11/23/2022] Open
Abstract
With the continuous development of terahertz (THz) detection technology, the use of terahertz spectroscopy to study chemical samples has become one of the indispensable tools in the field of biochemistry. While most biomolecules biological activity can only be expressed in aqueous solutions, water as a polar molecule has strong absorption properties for terahertz waves, making it difficult to use terahertz technology to study the activity of biological samples in aqueous solutions. In this study, a sandwich-type terahertz microfluidic chip with high terahertz wave transmission was designed and combined with a terahertz time domain spectroscopy (THz-TDS) system to test the terahertz spectra of distilled water, 0.9 mol/L NH4Cl, (NH4)2SO4, (NH4)2CO3 and CH3COONH4 solutions, respectively, and to investigate the effect of the electric field action time on the hydrogen bond in the solution under the action of an external electric field. The experimental results show that the terahertz spectra of different ammonium solutions at the same concentration differ significantly, indicating that the ion hydration process affects the intermolecular hydrogen bonding in water, while the applied electric field also affects the hydrogen bonding in water, resulting in a change in the terahertz waves water absorption.
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Affiliation(s)
- Qinghao Meng
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China.,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China.,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China.,Department of Physics, Capital Normal University, Beijing, 100048, China
| | - Siyu Qian
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China.,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China.,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China.,Department of Physics, Capital Normal University, Beijing, 100048, China
| | - Jing Ding
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China.,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China.,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China.,Department of Physics, Capital Normal University, Beijing, 100048, China
| | - Qingjun Li
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China.,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China.,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China.,Department of Physics, Capital Normal University, Beijing, 100048, China
| | - Xinyuan Zhao
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China.,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China.,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China.,Department of Physics, Capital Normal University, Beijing, 100048, China
| | - Bo Su
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China. .,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China. .,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China. .,Department of Physics, Capital Normal University, Beijing, 100048, China.
| | - Cunlin Zhang
- Key Laboratory of Terahertz Optoelectronics, Ministry of Education, Beijing, 100048, China. .,Beijing Key Laboratory for Terahertz Spectroscopy and Imaging, Beijing, 100048, China. .,Beijing Advanced Innovation Centre for Imaging Theory and Technology, Beijing, 100048, China. .,Department of Physics, Capital Normal University, Beijing, 100048, China.
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6
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Cheng YH, Wang CH, Hsu KF, Lee GB. Integrated Microfluidic System for Cell-Free DNA Extraction from Plasma for Mutant Gene Detection and Quantification. Anal Chem 2022; 94:4311-4318. [PMID: 35235296 DOI: 10.1021/acs.analchem.1c04988] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Ovarian cancer (OvCa) is among the most severe gynecologic cancers, yet individuals may be asymptomatic during its early stages. Routine, early screening for genetic abnormalities associated with OvCa could improve prognoses, and this can be achieved by detecting mutant genes in cell-free DNA (cfDNA). Herein, we developed an integrated microfluidic chip (IMC) that could extract cfDNA from plasma and automatically detect and quantify mutations in the OvCa biomarker BRCA1. The cfDNA extraction module relied on a vortex-type micromixer to mix cfDNA with magnetic beads surface-coated with cfDNA probes and could isolate 76% of molecules from a 200 μL plasma sample in 45 min. The cfDNA quantification module, which comprised a micropump that evenly distributed 4.5 μL of purified cfDNA into the on-chip, allele-specific quantitative polymerase chain reaction (qPCR) zones, was capable of quantifying mutant genes within 90 min. By automating the cfDNA extraction and qPCR processes, this IMC could be used for clinical screening for OvCa-associated mutations.
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Affiliation(s)
- Yu-Hung Cheng
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chih-Hung Wang
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Keng-Fu Hsu
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70403, Taiwan
| | - Gwo-Bin Lee
- Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan.,Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Hsinchu 30013, Taiwan
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Li M, Wan L, Law MK, Meng L, Jia Y, Mak PI, Martins RP. One-shot high-resolution melting curve analysis for KRAS point-mutation discrimination on a digital microfluidics platform. LAB ON A CHIP 2022; 22:537-549. [PMID: 34904611 DOI: 10.1039/d1lc00564b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Single-nucleotide polymorphism (SNP) plays a critical role in personalized medicine, forensics, pharmacogenetics, and disease diagnostics. Among different existing SNP genotyping techniques, melting curve analysis (MCA) becomes increasingly popular due to its high accuracy and straightforward procedures in extracting the melting temperature (Tm). Yet, its study on existing digital microfluidic (DMF) platforms has intrinsic limitations due to the temperature inhomogeneity within a thickened droplet during the on-chip rapid heating process. Although the utilization of an on-chip thermostat can regulate and monitor the dynamic melting process in real time, the limited Tm accuracy resulting from the insufficient system response time to accommodate the fast-melting evolution still poses a great challenge for precise MCA with high throughput. This work proposes a one-shot MCA on a DMF platform. The tailoring of a functional substrate with hierarchical micro/nano structure enables high-resolution patterning of pL-scale droplets. Specifically, the hydrothermal and photocatalysis treatment allows the functional substrate to exhibit a superwettability contrast of >170°, facilitating passive isolation of the pL-scale DNA sample into highly-resolved pL droplets above the 200 μm superhydrophilic patterns. This high-resolution MCA technique can successfully discriminate KRAS gene targets with single-nucleotide mutations in 3 seconds. The high accuracy and consistency in the acquired Tm when compared with off-chip results demonstrate its opportunities for near-patient diagnostics, precision medicines, genetic counseling, and prevention strategies on DMF platforms.
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Affiliation(s)
- Mingzhong Li
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
| | - Liang Wan
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
- Faculty of Science and Technology - Electrical and Computer Engineering, University of Macau, Macao, China
| | - Man-Kay Law
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
- Faculty of Science and Technology - Electrical and Computer Engineering, University of Macau, Macao, China
| | - Li Meng
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
- Faculty of Science and Technology - Electrical and Computer Engineering, University of Macau, Macao, China
| | - Yanwei Jia
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
- Faculty of Science and Technology - Electrical and Computer Engineering, University of Macau, Macao, China
| | - Pui-In Mak
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
- Faculty of Science and Technology - Electrical and Computer Engineering, University of Macau, Macao, China
| | - Rui P Martins
- State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, University of Macau, Taipa, Macao, China.
- Faculty of Science and Technology - Electrical and Computer Engineering, University of Macau, Macao, China
- On leave from Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal
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8
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May JM, Bylicky M, Chopra S, Coleman CN, Aryankalayil MJ. Long and short non-coding RNA and radiation response: a review. Transl Res 2021; 233:162-179. [PMID: 33582242 PMCID: PMC8475769 DOI: 10.1016/j.trsl.2021.02.005] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/02/2021] [Accepted: 02/07/2021] [Indexed: 12/12/2022]
Abstract
Once thought of as arising from "junk DNA," noncoding RNAs (ncRNAs) have emerged as key molecules in cellular processes and response to stress. From diseases such as cancer, coronary artery disease, and diabetes to the effects of ionizing radiation (IR), ncRNAs play important roles in disease progression and as biomarkers of damage. Noncoding RNAs regulate cellular processes by competitively binding DNA, mRNA, proteins, and other ncRNAs. Through these interactions, specific ncRNAs can modulate the radiosensitivity of cells and serve as diagnostic and prognostic biomarkers of radiation damage, whether from incidental exposure in radiotherapy or in accidental exposure scenarios. Analysis of RNA expression after radiation exposure has shown alterations not only in mRNAs, but also in ncRNAs (primarily miRNA, circRNA, and lncRNA), implying an important role in cellular stress response. Due to their abundance and stability in serum and other biofluids, ncRNAs also have great potential as minimally invasive biomarkers with advantages over current biodosimetry methods. Several studies have examined changes in ncRNA expression profiles in response to IR and other forms of oxidative stress. Furthermore, some studies have reported modulation of radiosensitivity by altering expression levels of these ncRNAs. This review discusses the roles of ncRNAs in the radiation response and evaluates prior research on ncRNAs as biomarkers of radiation damage. Future directions and applications of ncRNAs in radiation research are introduced, including the potential for a clinical ncRNA assay for assessing radiation damage and for the therapeutic use of RNA interference (RNAi).
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Affiliation(s)
- Jared M May
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Michelle Bylicky
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - Sunita Chopra
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland
| | - C Norman Coleman
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland; Radiation Research Program, National Cancer Institute, National Institutes of Health, Rockville, Maryland
| | - Molykutty J Aryankalayil
- Radiation Oncology Branch, Center for Cancer Research, National Cancer Institute, Bethesda, Maryland.
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