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Jurina T, Sokač Cvetnić T, Šalić A, Benković M, Valinger D, Gajdoš Kljusurić J, Zelić B, Jurinjak Tušek A. Application of Spectroscopy Techniques for Monitoring (Bio)Catalytic Processes in Continuously Operated Microreactor Systems. Catalysts 2023. [DOI: 10.3390/catal13040690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023] Open
Abstract
In the last twenty years, the application of microreactors in chemical and biochemical industrial processes has increased significantly. The use of microreactor systems ensures efficient process intensification due to the excellent heat and mass transfer within the microchannels. Monitoring the concentrations in the microchannels is critical for a better understanding of the physical and chemical processes occurring in micromixers and microreactors. Therefore, there is a growing interest in performing in-line and on-line analyses of chemical and/or biochemical processes. This creates tremendous opportunities for the incorporation of spectroscopic detection techniques into production and processing lines in various industries. In this work, an overview of current applications of ultraviolet–visible, infrared, Raman spectroscopy, NMR, MALDI-TOF-MS, and ESI-MS for monitoring (bio)catalytic processes in continuously operated microreactor systems is presented. The manuscript includes a description of the advantages and disadvantages of the analytical methods listed, with particular emphasis on the chemometric methods used for spectroscopic data analysis.
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Affiliation(s)
- Tamara Jurina
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Tea Sokač Cvetnić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Anita Šalić
- Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10 000 Zagreb, Croatia
| | - Maja Benković
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Davor Valinger
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Jasenka Gajdoš Kljusurić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
| | - Bruno Zelić
- Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, 10 000 Zagreb, Croatia
- Department for Packaging, Recycling and Environmental Protection, University North, Trg dr. Žarka Dolinara 1, 48 000 Koprivnica, Croatia
| | - Ana Jurinjak Tušek
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierottijeva ul. 6, 10 000 Zagreb, Croatia
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Yan J, Zhao C, Ma Y, Yang W. Covalently Attaching Hollow Silica Nanoparticles on a COC Surface for the Fabrication of a Three-Dimensional Protein Microarray. Biomacromolecules 2022; 23:2614-2623. [PMID: 35603741 DOI: 10.1021/acs.biomac.2c00354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Compared to traditional two-dimensional (2D) biochips, three-dimensional (3D) biochips exhibit the advantages of higher probe density and detection sensitivity due to their designable surface microstructure as well as enlarged surface area. In the study, we proposed an approach to prepare a 3D protein chip by deposition of a monolayer of functionalized hollow silica nanoparticles (HSNs) on an activated cyclic olefin copolymer (COC) substrate. First, the COC substrate was chemically modified through the photografting technique to tether poly[3-(trimethoxysilyl) propyl methacrylate] (PTMSPMA) brushes on it. Then, a monolayer of HSNs was deposited on the modified COC and covalently attached via a condensation reaction between the hydrolyzed pendant siloxane groups of PTMSPMA and the Si-OH groups of HSNs. The roughness of the COC substrate significantly increased to 50.3 nm after depositing a monolayer of HSNs (ranging from 100 to 700 nm), while it only caused a negligible reduction in the light transmittance of COC. The HSN-modified COC was further functionalized with epoxide groups by a silane coupling agent for binding proteins. Immunoglobulin G could be effectively immobilized on this substrate with the highest immobilization efficiency of 75.2% and a maximum immobilization density of 1.236 μg/cm2, while the highest immobilization efficiency on a 2D epoxide group-modified glass slide was only 57.4%. Moreover, immunoassay results confirmed a competitive limit of detection (LOD) (1.06 ng/mL) and a linear detection range (1-100 ng/mL) of the 3D protein chip. This facile and effective approach for fabricating nanoparticle-based 3D protein microarrays has great potential in the field of biorelated detection.
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Terán JE, Millbern Z, Shao D, Sui X, Liu Y, Demmler M, Vinueza NR. Characterization of synthetic dyes for environmental and forensic assessments: A chromatography and mass spectrometry approach. J Sep Sci 2020; 44:387-402. [PMID: 33047882 DOI: 10.1002/jssc.202000836] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 12/07/2022]
Abstract
Dyes have become common substances since they are employed in mostly all objects surrounding our daily activities such as clothing and upholstery. Based on the usage and disposal of these objects, the transfer of the dyes to other media such as soil and water increases their prevalence in our environment. However, this prevalence could help to solve crimes and pollution problems if detection techniques are proper. For that reason, the detection and characterization of dyes in complex matrices is important to determine the possible events leading to their deposition (natural degradation, attempts of removal, possible match with evidence, among others). Currently, there are several chromatographic and mass spectrometric approaches used for the identification of these organic molecules and their derivatives with high specificity and accuracy. This review presents current chromatographic and mass spectrometric methods that are used for the detection and characterization of disperse, acid, basic, and reactive dyes, and their derivatives.
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Affiliation(s)
- Julio E Terán
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Zoe Millbern
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Dongyan Shao
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Xinyi Sui
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Yixin Liu
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Morgan Demmler
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
| | - Nelson R Vinueza
- Department of Textile Engineering, Chemistry, and Science, North Carolina State University, Raleigh, North Carolina, USA
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Veltkamp HW, Akegawa Monteiro F, Sanders R, Wiegerink R, Lötters J. Disposable DNA Amplification Chips with Integrated Low-Cost Heaters. MICROMACHINES 2020; 11:E238. [PMID: 32106462 PMCID: PMC7143804 DOI: 10.3390/mi11030238] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Revised: 02/20/2020] [Accepted: 02/22/2020] [Indexed: 01/03/2023]
Abstract
Fast point-of-use detection of, for example, early-stage zoonoses, e.g., Q-fever, bovine tuberculosis, or the Covid-19 coronavirus, is beneficial for both humans and animal husbandry as it can save lives and livestock. The latter prevents farmers from going bankrupt after a zoonoses outbreak. This paper describes the development of a fabrication process and the proof-of-principle of a disposable DNA amplification chip with an integrated heater. Based on the analysis of the milling process, metal adhesion studies, and COMSOL MultiPhysics heat transfer simulations, the first batch of chips has been fabricated and successful multiple displacement amplification reactions are performed inside these chips. This research is the first step towards the development of an early-stage zoonoses detection device. Tests with real zoonoses and DNA specific amplification reactions still need to be done.
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Affiliation(s)
- Henk-Willem Veltkamp
- Department of Integrated Devices and Systems, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; (F.A.M.); (R.S.); (R.W.); (J.L.)
| | - Fernanda Akegawa Monteiro
- Department of Integrated Devices and Systems, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; (F.A.M.); (R.S.); (R.W.); (J.L.)
| | - Remco Sanders
- Department of Integrated Devices and Systems, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; (F.A.M.); (R.S.); (R.W.); (J.L.)
| | - Remco Wiegerink
- Department of Integrated Devices and Systems, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; (F.A.M.); (R.S.); (R.W.); (J.L.)
| | - Joost Lötters
- Department of Integrated Devices and Systems, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands; (F.A.M.); (R.S.); (R.W.); (J.L.)
- Bronkhorst High-Tech BV, Nijverheidsstraat 1A, 7261 AK Ruurlo, The Netherlands
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Pardy T, Sink H, Koel A, Rang T. Development of a Low-Cost, Wireless Smart Thermostat for Isothermal DNA Amplification in Lab-On-A-Chip Devices. MICROMACHINES 2019; 10:E437. [PMID: 31262090 PMCID: PMC6680506 DOI: 10.3390/mi10070437] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 06/17/2019] [Accepted: 06/27/2019] [Indexed: 01/16/2023]
Abstract
Nucleic acid amplification tests (NAAT) are widely used for the detection of living organisms, recently applied in Lab-on-a-Chip (LoC) devices to make portable DNA analysis platforms. While portable LoC-NAAT can provide definitive test results on the spot, it requires specialized temperature control equipment. This work focuses on delivering a generalized low-cost, wireless smart thermostat for isothermal NAAT protocols in 2 cm × 3 cm LoC cartridges. We report on the design, prototyping, and evaluation results of our smart thermostat. The thermostat was evaluated by experimental and simulated thermal analysis using 3D printed LoC cartridges, in order to verify its applicability to various isothermal NAAT protocols. Furthermore, it was tested at the boundaries of its operating ambient temperature range as well as its battery life was evaluated. The prototype thermostat was proven functional in 20-30 °C ambient range, capable of maintaining the required reaction temperature of 12 isothermal NAAT protocols with 0.7 °C steady-state error in the worst case.
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Affiliation(s)
- Tamas Pardy
- Thomas Johann Seebeck Department of Electronics, Tallinn University of Technology, 19086 Tallinn, Estonia.
| | - Henri Sink
- Thomas Johann Seebeck Department of Electronics, Tallinn University of Technology, 19086 Tallinn, Estonia
| | - Ants Koel
- Thomas Johann Seebeck Department of Electronics, Tallinn University of Technology, 19086 Tallinn, Estonia
| | - Toomas Rang
- Thomas Johann Seebeck Department of Electronics, Tallinn University of Technology, 19086 Tallinn, Estonia
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Knowledge Knows No Boundaries. Int Neurourol J 2019; 23:1-2. [PMID: 30943687 PMCID: PMC6449662 DOI: 10.5213/inj.1920edi.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Direct sample injection from a syringe needle into a separation capillary. Anal Chim Acta 2018; 1042:133-140. [PMID: 30428980 DOI: 10.1016/j.aca.2018.07.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 07/05/2018] [Accepted: 07/10/2018] [Indexed: 11/22/2022]
Abstract
An automatic micro-injector was developed for electrophoretic analysis of a microlitre amount of clinical samples, enabling injection of the sample from a Hamilton syringe. The outlet of the syringe needle is located directly opposite the inlet of the separation capillary at a defined distance of the order of hundreds of μm in the injection space. During the injection, the background electrolyte is forced out by air from this space and a drop of the sample is forced out of the syringe by a micro-pump so that it is caught at the entrance to the capillary. From the drop the sample is injected into the capillary by applying a negative pressure pulse or simply by spontaneous injection. The injection space is then filled with background electrolyte, which washes away excess sample and separation is commenced. The injector was tested in electrophoretic separation of a model sample with equimolar concentrations of 100 μM NH4+, K+, Na+, Mg2+ and Li+ in a short capillary with total/effective length of 16.5/11.5 cm. The repeatability of the migration time and peak area expressed as the RSD value is 2% and 4%, respectively. The practical applicability of the injector was verified on the determination of the antiparasitic pentamidine in 10 μL of rat plasma. Electrophoretic separation of pentamidine was performed in 100 mM of acetic acid/NaOH at pH 4.55, the sample consumption per analysis is 125 nL, the separation time is 45 s and the attained LOQ using contactless conductivity detection is 8 μM.
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Trauba JM, Wittwer CT. Microfluidic Extreme PCR: <1 Minute DNA Amplification in a Thin Film Disposable. ACTA ACUST UNITED AC 2017. [DOI: 10.4236/jbise.2017.105017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Petralia S, Sciuto EL, Conoci S. A novel miniaturized biofilter based on silicon micropillars for nucleic acid extraction. Analyst 2017; 142:140-146. [DOI: 10.1039/c6an02049f] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
New miniaturised microfluidic biofilter (BF) devices based on silicon micropillars have been developed and tested regarding their ability to extract HBV (Hepatitis B Virus) bacterial DNA from biological sample solutions.
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Affiliation(s)
| | | | - Sabrina Conoci
- STMicroelectronics Stradale Primosole
- 50 - 95121 Catania
- Italy
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Jamshaid T, Neto ETT, Eissa MM, Zine N, Kunita MH, El-Salhi AE, Elaissari A. Magnetic particles: From preparation to lab-on-a-chip, biosensors, microsystems and microfluidics applications. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.10.022] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ouyang Y, Duarte GR, Poe BL, Riehl PS, dos Santos FM, Martin-Didonet CC, Carrilho E, Landers JP. A disposable laser print-cut-laminate polyester microchip for multiplexed PCR via infra-red-mediated thermal control. Anal Chim Acta 2015; 901:59-67. [DOI: 10.1016/j.aca.2015.09.042] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Revised: 09/22/2015] [Accepted: 09/23/2015] [Indexed: 02/04/2023]
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Tůma P, Gojda J. Rapid determination of branched chain amino acids in human blood plasma by pressure-assisted capillary electrophoresis with contactless conductivity detection. Electrophoresis 2015; 36:1969-75. [DOI: 10.1002/elps.201400585] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Revised: 12/24/2014] [Accepted: 12/29/2014] [Indexed: 12/11/2022]
Affiliation(s)
- Petr Tůma
- Institute of Biochemistry; Cell and Molecular Biology; Third Faculty of Medicine; Charles University in Prague; Prague Czech Republic
| | - Jan Gojda
- 2nd Internal Department of Third Faculty of Medicine and Faculty Hospital Královské Vinohrady; Centre for Research on Diabetes, Metabolism and Nutrition; Charles University in Prague; Prague Czech Republic
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Zhang X, Lowe SB, Gooding JJ. Brief review of monitoring methods for loop-mediated isothermal amplification (LAMP). Biosens Bioelectron 2014; 61:491-9. [DOI: 10.1016/j.bios.2014.05.039] [Citation(s) in RCA: 194] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 05/14/2014] [Accepted: 05/15/2014] [Indexed: 01/20/2023]
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