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Yun HG, Cadierno YA, Kim TW, Muñoz-Barrutia A, Garica-Gonzalez D, Choi S. Computational Hyperspectral Microflow Cytometry. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2400019. [PMID: 38770741 DOI: 10.1002/smll.202400019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/22/2024] [Indexed: 05/22/2024]
Abstract
Miniaturized flow cytometry has significant potential for portable applications, such as cell-based diagnostics and the monitoring of therapeutic cell manufacturing, however, the performance of current techniques is often limited by the inability to resolve spectrally-overlapping fluorescence labels. Here, the study presents a computational hyperspectral microflow cytometer (CHC) that enables accurate discrimination of spectrally-overlapping fluorophores labeling single cells. CHC employs a dispersive optical element and an optimization algorithm to detect the full fluorescence emission spectrum from flowing cells, with a high spectral resolution of ≈3 nm in the range from 450 to 650 nm. CHC also includes a dedicated microfluidic device that ensures in-focus imaging through viscoelastic sheathless focusing, thereby enhancing the accuracy and reliability of microflow cytometry analysis. The potential of CHC for analyzing T lymphocyte subpopulations and monitoring changes in cell composition during T cell expansion is demonstrated. Overall, CHC represents a major breakthrough in microflow cytometry and can facilitate its use for immune cell monitoring.
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Affiliation(s)
- Hyo Geun Yun
- Department of Electronic Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Yoel Alonso Cadierno
- Bioengineering Department, Universidad Carlos III De Madrid, Avda. de la Universidad 30, Leganés, Madrid, 28911, Spain
| | - Tae Won Kim
- Department of Electronic Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Arrate Muñoz-Barrutia
- Bioengineering Department, Universidad Carlos III De Madrid, Avda. de la Universidad 30, Leganés, Madrid, 28911, Spain
| | - Daniel Garica-Gonzalez
- Department of Continuum Mechanics and Structural Analysis, Universidad Carlos III De Madrid, Avda. de la Universidad 30, Leganés, Madrid, 28911, Spain
| | - Sungyoung Choi
- Department of Electronic Engineering, Hanyang University, Seoul, 04763, Republic of Korea
- Department of Biomedical Engineering, Hanyang University, Seoul, 04763, Republic of Korea
- Hanyang Institute of Bioscience and Biotechnology, Hanyang University, Seoul, 04763, Republic of Korea
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2
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Duan X, Zheng X, Liu Z, Dong T, Luo Y, Yan W, Wang C, Song C. On-Chip Photoacoustics-Activated Cell Sorting (PA-ACS) for Label-Free and High-Throughput Detection and Screening of Microalgal Cells. Anal Chem 2024; 96:1301-1309. [PMID: 38193144 DOI: 10.1021/acs.analchem.3c04665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2024]
Abstract
Microalgae play a crucial role in global carbon cycling as they convert carbon dioxide into various valuable macromolecules. Among them, Haematococcus pluvialis (H. pluvialis) is the richest natural source of astaxanthin (AXT), which is a valuable antioxidant, anti-inflammatory, and antiapoptosis agent. These benefits make AXT highly commercially valuable in pharmaceuticals, cosmetics, and nutritional industries. However, intrinsic genetic characteristics and extrinsic cultivation conditions influence biomass gains, leading to low productivity and extraction as the main techno-economic bottlenecks in this industry. Thus, detecting AXT in H. pluvialis is essential to determine the influence of multiple parameters on biocompound accumulation, enabling optimization of cultivation and enrichment of AXT-rich H. pluvialis cells. This work developed an opto-acousto-fluidic microplatform for detection, analysis, and sorting of microalgae. Via label-free monitoring and extraction of sample-induced ultrasonic signals, a photoacoustic microscopic system was proposed to provide a full-field visualization of AXT's content and distribution inside H. pluvialis cells. When employed as on-chip image-based flow cytometry, our microplatform can also offer high-throughput measurements of intracellular AXT in real time, which demonstrates similar results to conventional spectrophotometry methods and further reveals the heterogeneity of AXT content at the single-cell level. In addition, a solenoid valve-pump dual-mode cell sorter was integrated for effective sorting of cells with a maximum working frequency of 0.77 Hz, reducing the fluid response time by 50% in rising and 40-fold in recovery. The H. pluvialis cells which have more AXT accumulation (>30 μm in diameter) were 4.38-fold enriched with almost no dead empty and small green cells. According to the results, automated and reliable photoacoustics-activated cell sorting (PA-ACS) can screen AXT-rich cells and remove impurities at the terminal stage of cultivation, thereby increasing the effectiveness and purity of AXT extraction. The proposed system can be further adopted to enrich strains and mutants for the production of biofuels or other rare organic substances such as β-carotene and lutein.
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Affiliation(s)
- Xiudong Duan
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
| | - Xinqi Zheng
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
| | - Ziyu Liu
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
| | - Tianshu Dong
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
| | - Yingdong Luo
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
| | - Wei Yan
- College of Marine Science and Technology, China University of Geosciences, Wuhan 430074, China
| | - Cong Wang
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
| | - Chaolong Song
- School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan 430074, China
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Sun A, Li Y, Zhu P, He X, Jiang Z, Kong Y, Liu C, Wang S. Dual-view transport of intensity phase imaging flow cytometry. BIOMEDICAL OPTICS EXPRESS 2023; 14:5199-5207. [PMID: 37854577 PMCID: PMC10581798 DOI: 10.1364/boe.504863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 09/03/2023] [Indexed: 10/20/2023]
Abstract
In this work, we design multi-parameter phase imaging flow cytometry based on dual-view transport of intensity (MPFC), which integrates phase imaging and microfluidics to a microscope, to obtain single-shot quantitative phase imaging on cells flowing in the microfluidic channel. The MPFC system has been proven with simple configuration, accurate phase retrieval, high imaging contrast, and real-time imaging and has been successfully employed not only in imaging, recognizing, and analyzing the flowing cells even with high-flowing velocities but also in tracking cell motilities, including rotation and binary rotation. Current results suggest that our proposed MPFC provides an effective tool for imaging and analyzing cells in microfluidics and can be potentially used in both fundamental and clinical studies.
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Affiliation(s)
- Aihui Sun
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yaxi Li
- Radiology Department, Jiangnan University Medical Center, Wuxi, Jiangsu, 214122, China
| | - Pengfei Zhu
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Xiaoliang He
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Zhilong Jiang
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, 214122, China
| | - Yan Kong
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, 214122, China
- Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China
| | - Cheng Liu
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, 214122, China
- Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800, China
| | - Shouyu Wang
- Jiangsu Province Engineering Research Center of Integrated Circuit Reliability Technology and Testing System & School of Electronics and Information Engineering, OptiX+ Laboratory, Wuxi University, Wuxi, Jiangsu 214105, China
- Single Molecule Nanometry Laboratory, China
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Haddad M, Frickenstein A, Wilhelm S. High-Throughput Single-Cell Analysis of Nanoparticle-Cell Interactions. Trends Analyt Chem 2023; 166:117172. [PMID: 37520860 PMCID: PMC10373476 DOI: 10.1016/j.trac.2023.117172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
Understanding nanoparticle-cell interactions at single-nanoparticle and single-cell resolutions is crucial to improving the design of next-generation nanoparticles for safer, more effective, and more efficient applications in nanomedicine. This review focuses on recent advances in the continuous high-throughput analysis of nanoparticle-cell interactions at the single-cell level. We highlight and discuss the current trends in continual flow high-throughput methods for analyzing single cells, such as advanced flow cytometry techniques and inductively coupled plasma mass spectrometry methods, as well as their intersection in the form of mass cytometry. This review further discusses the challenges and opportunities with current single-cell analysis approaches and provides proposed directions for innovation in the high-throughput analysis of nanoparticle-cell interactions.
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Affiliation(s)
- Majood Haddad
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Alex Frickenstein
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Stefan Wilhelm
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73104, USA
- Institute for Biomedical Engineering, Science, and Technology (IBEST), University of Oklahoma, Norman, Oklahoma, 73019, USA
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Sun A, He X, Jiang Z, Kong Y, Wang S, Liu C. Phase flow cytometry with coherent modulation imaging. JOURNAL OF BIOPHOTONICS 2023:e202300057. [PMID: 37039822 DOI: 10.1002/jbio.202300057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/27/2023] [Accepted: 04/05/2023] [Indexed: 06/19/2023]
Abstract
Label-free imaging and identification of fast-moving cells is a very challenging task. A kind of phase flow cytometry using coherent modulation imaging was proposed to realize label-free imaging and identification on fast-moving cells with compact optical alignment and high accuracy. Phase image of cells under inspection could be computed qualitatively from their diffraction patterns at the accuracy of about 0.01 wavelength and the resolution of about 1.23 μm and the view field of 0.126 mm2 . Since the imaging system was mainly composed by a piece of random phase plate a detector without using commonly adopted reference beam and corresponding complex optical alignment, this method has much compacter optical structure and much higher tolerance capability to environmental instability in comparison with other kinds of phase flow cytometry. Current experimental results prove it could be an efficient optical tool for label-free tumor cell detection.
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Affiliation(s)
- Aihui Sun
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, China
| | - Xiaoliang He
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, China
| | - Zhilong Jiang
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, China
| | - Yan Kong
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, China
| | - Shouyu Wang
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, China
| | - Cheng Liu
- Department of Optoelectronic Information Science and Engineering, School of Science, Jiangnan University, Wuxi, Jiangsu, China
- Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, China
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Ma L, Cai Y, Li S, Li J, Chen P, Zyryanov GV, Kopchuk DS, Kovalev IS, Wang Z. New Degradable Semiconducting Polymers for Photoacoustic Imaging of λ-Carrageenan-Induced Arthritis Mouse Model. Anal Chem 2022; 94:14322-14330. [PMID: 36208485 DOI: 10.1021/acs.analchem.2c02906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Semiconducting polymer has a high extinction coefficient and a long band absorption and can be used as a photoacoustic imaging contrast agent. However, nonbiodegradable semiconducting polymers may cause biosafety issues due to being retained in the body. Therefore, developing degradable semiconducting polymers is necessary for in vivo imaging. Herein, we developed three degradable semiconducting polymers with unique optical properties. We adjusted the optical properties of semiconducting polymers by designing the molecular structure of semiconducting polymers. Polymers with a donor-π-acceptor structure could easily improve the optical properties through adjusting the donor or acceptor units. Through adjusting the electron-donor and -acceptor units, three diketopyrrolopyrrole derivative polymers (DPPTz, DPPQu, and DPPWu) were synthesized and converted into nanosize particles. By introducing the degradable chemical groups in the main chain structure of semiconducting polymers, diketopyrrolopyrrole polymers could be degraded by ClO-. Among these nanosize particles, DPPTz NPs and DPPQu NPs were used to achieve the in vivo photoacoustic imaging of λ-carrageenan-induced arthritis mouse model. This work provides a novel design idea for the designing of red-shifted semiconducting polymer with degradable properties.
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Affiliation(s)
- Lijun Ma
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yajie Cai
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shuo Li
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jiguang Li
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Peiyu Chen
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | | | - Dmitry S Kopchuk
- Ural Federal University, Mira Street, 19, Yekaterinburg 620002, Russia.,Postovskii Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences, S. Kovalevskoy, Yekaterinburg 620219, Russia
| | - Igor S Kovalev
- Ural Federal University, Mira Street, 19, Yekaterinburg 620002, Russia
| | - Zhuo Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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Sun A, Ji Y, Li Y, Xie W, Liu Z, Li T, Jin T, Qi W, Li K, Wu C, Xi L. Multicolor Photoacoustic Volumetric Imaging of Subcellular Structures. ACS NANO 2022; 16:3231-3238. [PMID: 35080378 DOI: 10.1021/acsnano.1c11103] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Photoacoustic imaging (PAI) has been widely used in multiscale and multicontrast imaging of biological structures and functions. Optical resolution photoacoustic microscopy (OR-PAM), an emerging submodality of PAI, features high lateral resolution and rich optical contrast, indicating great potential in visualizing cellular and subcellular structures. However, three-dimensional (3D) imaging of subcellular structures using OR-PAM has remained a challenge due to the limited axial resolution. In this study, we propose a multicolor 3D photoacoustic microscopy with high lateral/axial resolutions of 0.42/2 and 0.5/2.5 μm at 532 and 780 nm excitation, respectively. Owing to the significantly increased axial resolution, we could visualize the volumetric subcellular structures of melanoma cells using intrinsic contrast. In addition, we carried out multicolor imaging of labeled microtubules/clathrin-coated pits (CCP) and microtubules/mitochondria, respectively, with one scanning by using two different excitation wavelengths. The internal connections between different subcellular structures are revealed by quantitatively comparing the spatial distributions of microtubules/CCP and microtubules/mitochondria in a single cell. Current results suggest that the proposed OR-PAM may serve as an efficient tool for subcellular and cytophysiological studies.
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Affiliation(s)
- Aihui Sun
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yaoyao Ji
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yaxi Li
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Wenhui Xie
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhihe Liu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Tingting Li
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Tian Jin
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Weizhi Qi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
- Shenzhen Bay Laboratory, Shenzhen 518132, China
| | - Kai Li
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Changfeng Wu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Lei Xi
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
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