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Lackey HE, Espley AF, Potter SM, Lamadie F, Miguirditchian M, Nelson GL, Bryan SA, Lines AM. Quantification of Lanthanides on a PMMA Microfluidic Device with Three Optical Pathlengths Using PCR of UV-Visible, NIR, and Raman Spectroscopy. ACS OMEGA 2024; 9:38548-38556. [PMID: 39310177 PMCID: PMC11411548 DOI: 10.1021/acsomega.4c03857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 08/12/2024] [Accepted: 08/20/2024] [Indexed: 09/25/2024]
Abstract
Microfluidic devices (MFDs) offer customizable, low-cost, and low-waste platforms for performing chemical analyses. Optical spectroscopy techniques provide nondestructive monitoring of small sample volumes within microfluidic channels. Optical spectroscopy can probe speciation, oxidation state, and concentration of analytes as well as detect counterions and provide information about matrix composition. Here, ultraviolet-visible (UV-vis) absorbance, near-infrared (NIR) absorbance, and Raman spectroscopy are utilized on a custom poly(methyl methacrylate) (PMMA) MFD for the detection of three lanthanide nitrates in solution. Absorbance spectroscopies are conducted across three pathlengths using three portions of a contiguous channel within the MFD. Univariate and chemometric multivariate modeling, specifically Beer's law regression and principal component regression (PCR), respectively, are utilized to quantify the three lanthanides and the nitrate counterion. Models are composed of spectra from one or multiple pathlengths. Models are also constructed from multiblock spectra composed of UV-vis, NIR, and Raman spectra at one or multiple pathlengths. Root-mean-square errors (RMSE), limit of detection (LOD), and residual predictive deviation (RPD) values are compared for univariate, multivariate, multi-pathlength, and multiblock models. Univariate modeling produces acceptable results for analytes with a simple signal, such as samarium cations, producing an LOD of 5.49 mM. Multivariate and multiblock models produce enhanced quantification for analytes that experience spectral overlap and interfering nonanalyte signals, such as holmium, which had an LOD reduction from 7.21 mM for the univariate model down to 3.96 mM for the multiblock model. Multi-pathlength models are developed that maintain model errors in line with single-pathlength models. Multi-pathlength models have RPDs from 9.18 to 46.4, while incorporating absorbance spectra collected at optical paths of up to 10-fold difference in length.
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Affiliation(s)
- Hope E. Lackey
- Pacific
Northwest National Laboratory, Richland, Washington 99352, United States
- Department
of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Alyssa F. Espley
- Pacific
Northwest National Laboratory, Richland, Washington 99352, United States
| | - Savannah M. Potter
- Pacific
Northwest National Laboratory, Richland, Washington 99352, United States
| | - Fabrice Lamadie
- CEA,
DES, ISEC, DMRC, Univ Montpellier, Marcoule, 30207 Bagnols-sur-Cèze, France
| | | | | | - Samuel A. Bryan
- Pacific
Northwest National Laboratory, Richland, Washington 99352, United States
- Department
of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Amanda M. Lines
- Pacific
Northwest National Laboratory, Richland, Washington 99352, United States
- Department
of Chemistry, Washington State University, Pullman, Washington 99164, United States
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Kurdadze T, Lamadie F, Nehme KA, Teychené S, Biscans B, Rodriguez-Ruiz I. On-Chip Photonic Detection Techniques for Non-Invasive In Situ Characterizations at the Microfluidic Scale. SENSORS (BASEL, SWITZERLAND) 2024; 24:1529. [PMID: 38475065 DOI: 10.3390/s24051529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024]
Abstract
Microfluidics has emerged as a robust technology for diverse applications, ranging from bio-medical diagnostics to chemical analysis. Among the different characterization techniques that can be used to analyze samples at the microfluidic scale, the coupling of photonic detection techniques and on-chip configurations is particularly advantageous due to its non-invasive nature, which permits sensitive, real-time, high throughput, and rapid analyses, taking advantage of the microfluidic special environments and reduced sample volumes. Putting a special emphasis on integrated detection schemes, this review article explores the most relevant advances in the on-chip implementation of UV-vis, near-infrared, terahertz, and X-ray-based techniques for different characterizations, ranging from punctual spectroscopic or scattering-based measurements to different types of mapping/imaging. The principles of the techniques and their interest are discussed through their application to different systems.
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Affiliation(s)
- Tamar Kurdadze
- CEA, DES, ISEC, DMRC, Univ Montpellier, 30207 Bagnols-sur-Ceze, Marcoule, France
| | - Fabrice Lamadie
- CEA, DES, ISEC, DMRC, Univ Montpellier, 30207 Bagnols-sur-Ceze, Marcoule, France
| | - Karen A Nehme
- Laboratoire de Génie Chimique, CNRS, UMR 5503, 4 Allée Emile Monso, 31432 Toulouse, France
| | - Sébastien Teychené
- Laboratoire de Génie Chimique, CNRS, UMR 5503, 4 Allée Emile Monso, 31432 Toulouse, France
| | - Béatrice Biscans
- Laboratoire de Génie Chimique, CNRS, UMR 5503, 4 Allée Emile Monso, 31432 Toulouse, France
| | - Isaac Rodriguez-Ruiz
- Laboratoire de Génie Chimique, CNRS, UMR 5503, 4 Allée Emile Monso, 31432 Toulouse, France
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3
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Dang Z, Jiang Y, Su X, Wang Z, Wang Y, Sun Z, Zhao Z, Zhang C, Hong Y, Liu Z. Particle Counting Methods Based on Microfluidic Devices. MICROMACHINES 2023; 14:1722. [PMID: 37763885 PMCID: PMC10534595 DOI: 10.3390/mi14091722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/30/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023]
Abstract
Particle counting serves as a pivotal constituent in diverse analytical domains, encompassing a broad spectrum of entities, ranging from blood cells and bacteria to viruses, droplets, bubbles, wear debris, and magnetic beads. Recent epochs have witnessed remarkable progressions in microfluidic chip technology, culminating in the proliferation and maturation of microfluidic chip-based particle counting methodologies. This paper undertakes a taxonomical elucidation of microfluidic chip-based particle counters based on the physical parameters they detect. These particle counters are classified into three categories: optical-based counters, electrical-based particle counters, and other counters. Within each category, subcategories are established to consider structural differences. Each type of counter is described not only in terms of its working principle but also the methods employed to enhance sensitivity and throughput. Additionally, an analysis of future trends related to each counter type is provided.
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Affiliation(s)
- Zenglin Dang
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Yuning Jiang
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Xin Su
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Zhihao Wang
- College of Marine Electrical Engineering, Dalian Maritime University, Dalian 116026, China;
| | - Yucheng Wang
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Zhe Sun
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Zheng Zhao
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Chi Zhang
- College of Transportation Engineering, Dalian Maritime University, Dalian 116026, China;
| | - Yuming Hong
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
| | - Zhijian Liu
- College of Marine Engineering, Dalian Maritime University, Dalian 116026, China; (Z.D.); (Y.J.); (X.S.); (Y.W.); (Z.S.); (Z.Z.); (Y.H.)
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Wang M, Yang C, Deng H, Du Y, Xiao L, Shi X. Electrically induced anisotropic assembly of chitosan with different molecular weights. Carbohydr Polym 2023; 304:120494. [PMID: 36641176 DOI: 10.1016/j.carbpol.2022.120494] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/13/2022] [Accepted: 12/20/2022] [Indexed: 12/27/2022]
Abstract
Anisotropic hydrogel is emerging as an important soft matter in the field of bionics and bioactuators, owing to its outstanding mechanical toughness and strength. Understanding the dynamic construction process of anisotropic hydrogel is beneficial for matching subsequent application. In this work, we establish an electrical field in microfluidics for the in-situ real time visualization of anisotropic assembly of chitosan, an amino polysaccharide. Polarized light microscopy is adopted to observe the dynamic growth of chitosan with different molecular weights. The results demonstrate that electrical signal has a profound influence on anisotropic assembly process of chitosan. It is interesting to notice that high oriented structure can be found in chitosan hydrogel with large molecular weight, which exhibits a dense and compact structure. This work provides a new perspective for predicting and controlling the formation of different molecular weights anisotropic chitosan hydrogels, which permit the rational design of chitosan hydrogels with excellent mechanical properties and specific functions.
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Affiliation(s)
- Manya Wang
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Chen Yang
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Hongbing Deng
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Yumin Du
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China
| | - Ling Xiao
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
| | - Xiaowen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Hubei Engineering Center of Natural Polymers-based Medical Materials, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan 430079, China.
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Hedde PN, Le BT, Gomez EL, Duong L, Steele RE, Ahrar S. SPIM-Flow: An Integrated Light Sheet and Microfluidics Platform for Hydrodynamic Studies of Hydra. BIOLOGY 2023; 12:biology12010116. [PMID: 36671808 PMCID: PMC9856110 DOI: 10.3390/biology12010116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/08/2023] [Accepted: 01/09/2023] [Indexed: 01/13/2023]
Abstract
Selective plane illumination microscopy (SPIM), or light sheet microscopy, is a powerful imaging approach. However, access to and interfacing microscopes with microfluidics have remained challenging. Complex interfacing with microfluidics has limited the SPIM's utility for studying the hydrodynamics of freely moving multicellular organisms. We developed SPIM-Flow, an inexpensive light sheet platform that enables easy integration with microfluidics. We used SPIM-Flow to investigate the hydrodynamics of a freely moving Hydra polyp via particle tracking in millimeter-sized chambers. Initial experiments across multiple animals, feeding on a chip (Artemia franciscana nauplii used as food), and baseline behaviors (tentacle swaying, elongation, and bending) indicated the organisms' health inside the system. Fluidics were used to investigate Hydra's response to flow. The results suggested that the animals responded to an established flow by bending and swaying their tentacles in the flow direction. Finally, using SPIM-Flow in a proof-of-concept experiment, the shear stress required to detach an animal from a surface was demonstrated. Our results demonstrated SPIM-Flow's utility for investigating the hydrodynamics of freely moving animals.
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Affiliation(s)
- Per Niklas Hedde
- Beckman Laser Institute and Medical Clinic, University of California Irvine, Irvine, CA 92612, USA
- Correspondence: (P.N.H.); (S.A.)
| | - Brian T. Le
- Department of Biomedical Engineering, CSU Long Beach, Long Beach, CA 90840, USA
| | - Erika L. Gomez
- Department of Biomedical Engineering, CSU Long Beach, Long Beach, CA 90840, USA
| | - Leora Duong
- Department of Molecular Biology and Biochemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Robert E. Steele
- Department of Biological Chemistry, University of California Irvine, Irvine, CA 92697, USA
| | - Siavash Ahrar
- Department of Biomedical Engineering, CSU Long Beach, Long Beach, CA 90840, USA
- Department of Physics and Astronomy, University of California Irvine, Irvine, CA 92697, USA
- Correspondence: (P.N.H.); (S.A.)
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Liu Y, Fan Z, Qiao L, Liu B. Advances in microfluidic strategies for single-cell research. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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7
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Editorial for the Special Issue on Micromachining for Advanced Biological Imaging. MICROMACHINES 2022; 13:mi13030474. [PMID: 35334764 PMCID: PMC8953275 DOI: 10.3390/mi13030474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 02/01/2023]
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