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Soman SS, Samad SA, Venugopalan P, Kumawat N, Kumar S. Microfluidic paper analytic device (μPAD) technology for food safety applications. BIOMICROFLUIDICS 2024; 18:031501. [PMID: 38706979 PMCID: PMC11068414 DOI: 10.1063/5.0192295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 04/15/2024] [Indexed: 05/07/2024]
Abstract
Foodborne pathogens, food adulterants, allergens, and toxic chemicals in food can cause major health hazards to humans and animals. Stringent quality control measures at all stages of food processing are required to ensure food safety. There is, therefore, a global need for affordable, reliable, and rapid tests that can be conducted at different process steps and processing sites, spanning the range from the sourcing of food to the end-product acquired by the consumer. Current laboratory-based food quality control tests are well established, but many are not suitable for rapid on-site investigations and are costly. Microfluidic paper analytical devices (μPADs) are a fast-growing field in medical diagnostics that can fill these gaps. In this review, we describe the latest developments in the applications of microfluidic paper analytic device (μPAD) technology in the food safety sector. State-of-the-art μPAD designs and fabrication methods, microfluidic assay principles, and various types of μPAD devices with food-specific applications are discussed. We have identified the prominent research and development trends and future directions for maximizing the value of microfluidic technology in the food sector and have highlighted key areas for improvement. We conclude that the μPAD technology is promising in food safety applications by using novel materials and improved methods to enhance the sensitivity and specificity of the assays, with low cost.
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Affiliation(s)
- Soja Saghar Soman
- Division of Engineering, New York University Abu Dhabi, Abu Dhabi, P.O. Box 129188, UAE
| | - Shafeek Abdul Samad
- Division of Engineering, New York University Abu Dhabi, Abu Dhabi, P.O. Box 129188, UAE
| | | | - Nityanand Kumawat
- Division of Engineering, New York University Abu Dhabi, Abu Dhabi, P.O. Box 129188, UAE
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Raman and near-infrared spectroscopy for in-line sensors. ANAL SCI 2022; 38:1455-1456. [DOI: 10.1007/s44211-022-00202-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Xu D, Ji J, Xiang P, Yan H, Duan G, Shen M. Time course of estazolam in single-strand hair based on micro-segmental analysis after controlled oral administration. Front Chem 2022; 10:996857. [PMID: 36324520 PMCID: PMC9619365 DOI: 10.3389/fchem.2022.996857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 08/12/2022] [Indexed: 11/30/2022] Open
Abstract
The mechanism of estazolam incorporation into hair was investigated by studying the time course of estazolam along single-strand hair after two oral administration of estazolam at 28 days interval. Estazolam in single hair segments 0.4 mm in length was verified and quantified by ultra-high-performance liquid chromatography coupled to tandem mass spectrometry (UPLC-MS/MS). The distributions of estazolam within a strand of hair (collected at 12 h, 28 days, and 56 days post-administration) were visualized by micro-segmental analysis. The highest estazolam concentration (1.5–9.9 pg/mm) was detected in the hair bulb region (S1), and it then decreased through the hair shaft to the distal end, with a small fluctuation (0.3–3 pg/mm) near the junction of the hair roots and shafts (S4–S7) 12 h after drug intake. These findings suggested that the incorporation of estazolam occurred in two regions, mainly in the hair bulb and to a lesser extent in the upper dermis zone. Models using internal temporal markers (TIMs) and temporal intervals (TIs) were constructed to estimate the day of estazolam ingestion. The estimation accuracy was within an average error of 1.7 mm and 3.0 mm between the calculated and actual positions, based on the TIMs and TIs 56 days after estazolam intake. These findings can help in further elucidation of the drug incorporation mechanism, which is crucial for interpreting hair analysis results used to reveal individual drug-use history.
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Affiliation(s)
- Duoqi Xu
- Department of Forensic Toxicology, Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, China
| | - Jiaojiao Ji
- Department of Forensic Toxicology, Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, China
- Department of Forensic Medicine of Shanghai Medical College, Fudan University, Shanghai, China
| | - Ping Xiang
- Department of Forensic Toxicology, Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, China
| | - Hui Yan
- Department of Forensic Toxicology, Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, China
| | - Gengli Duan
- Department of Phamaceutical Analysis, School of Phamacy, Fudan University, Shanghai, China
| | - Min Shen
- Department of Forensic Toxicology, Academy of Forensic Science, Shanghai Key Laboratory of Forensic Medicine, Shanghai, China
- *Correspondence: Min Shen,
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Estrada AC, Daniel-da-Silva AL, Leal C, Monteiro C, Lopes CB, Nogueira HIS, Lopes I, Martins MJ, Martins NCT, Gonçalves NPF, Fateixa S, Trindade T. Colloidal nanomaterials for water quality improvement and monitoring. Front Chem 2022; 10:1011186. [PMID: 36238095 PMCID: PMC9551176 DOI: 10.3389/fchem.2022.1011186] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 09/06/2022] [Indexed: 12/14/2022] Open
Abstract
Water is the most important resource for all kind forms of live. It is a vital resource distributed unequally across different regions of the globe, with populations already living with water scarcity, a situation that is spreading due to the impact of climate change. The reversal of this tendency and the mitigation of its disastrous consequences is a global challenge posed to Humanity, with the scientific community assuming a major obligation for providing solutions based on scientific knowledge. This article reviews literature concerning the development of nanomaterials for water purification technologies, including collaborative scientific research carried out in our laboratory (nanoLAB@UA) framed by the general activities carried out at the CICECO-Aveiro Institute of Materials. Our research carried out in this specific context has been mainly focused on the synthesis and surface chemical modification of nanomaterials, typically of a colloidal nature, as well as on the evaluation of the relevant properties that arise from the envisaged applications of the materials. As such, the research reviewed here has been guided along three thematic lines: 1) magnetic nanosorbents for water treatment technologies, namely by using biocomposites and graphite-like nanoplatelets; 2) nanocomposites for photocatalysis (e.g., TiO2/Fe3O4 and POM supported graphene oxide photocatalysts; photoactive membranes) and 3) nanostructured substrates for contaminant detection using surface enhanced Raman scattering (SERS), namely polymers loaded with Ag/Au colloids and magneto-plasmonic nanostructures. This research is motivated by the firm believe that these nanomaterials have potential for contributing to the solution of environmental problems and, conversely, will not be part of the problem. Therefore, assessment of the impact of nanoengineered materials on eco-systems is important and research in this area has also been developed by collaborative projects involving experts in nanotoxicity. The above topics are reviewed here by presenting a brief conceptual framework together with illustrative case studies, in some cases with original research results, mainly focusing on the chemistry of the nanomaterials investigated for target applications. Finally, near-future developments in this research area are put in perspective, forecasting realistic solutions for the application of colloidal nanoparticles in water cleaning technologies.
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Affiliation(s)
- Ana C. Estrada
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Ana L. Daniel-da-Silva
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Cátia Leal
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Cátia Monteiro
- Department of Biology and CESAM-Centre of Environmental and Marine Studies, University of Aveiro, Aveiro, Portugal
| | - Cláudia B. Lopes
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Helena I. S. Nogueira
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Isabel Lopes
- Department of Biology and CESAM-Centre of Environmental and Marine Studies, University of Aveiro, Aveiro, Portugal
| | - Maria J. Martins
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Natércia C. T. Martins
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Nuno P. F. Gonçalves
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Sara Fateixa
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Tito Trindade
- Department of Chemistry and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
- *Correspondence: Tito Trindade,
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Ray R, Prabhu A, Prasad D, Garlapati VK, Aminabhavi TM, Mani NK, Simal-Gandara J. Paper-based microfluidic devices for food adulterants: Cost-effective technological monitoring systems. Food Chem 2022; 390:133173. [PMID: 35594772 DOI: 10.1016/j.foodchem.2022.133173] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 05/01/2022] [Accepted: 05/05/2022] [Indexed: 01/14/2023]
Abstract
Analytical sciences have witnessed emergent techniques for efficient clinical and industrial food adulterants detection. In this review, the contributions made by the paper-based devices are highlighted for efficient and rapid detection of food adulterants and additives, which is the need of the hour and how different categories of techniques have been developed in the past decade for upgrading the performance for point-of-care testing. A simple strategy with an arrangement for detecting specific adulterants followed by the addition of samples to obtain well-defined qualitative or quantitative signals for confirming the presence of target species. The paper-based microfluidics-based technology advances and prospects for food adulterant detection are discussed given the high-demand from the food sectors and serve as a valued technology for food researchers working in interdisciplinary technological frontiers.
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Affiliation(s)
- Rohitraj Ray
- Microfluidics, Sensors and Diagnostics (µSenD) Laboratory, Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Anusha Prabhu
- Microfluidics, Sensors and Diagnostics (µSenD) Laboratory, Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Dinesh Prasad
- Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi 835215, India
| | - Vijay Kumar Garlapati
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Solan, Himachal Pradesh 173234, India.
| | - Tejraj M Aminabhavi
- School of Advanced Sciences, KLE Technological University, Hubballi, Karnataka 580 031, India; School of Engineering, UPES, Bidholi, Dehradun, Uttarakhand 248 007, India.
| | - Naresh Kumar Mani
- Microfluidics, Sensors and Diagnostics (µSenD) Laboratory, Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain.
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Santos LP, Nascimento MHC, Barros IHAS, Santos NA, Lacerda V, Filgueiras PR, Romão W. Portable Raman spectroscopy applied to the study of drugs of abuse. J Forensic Sci 2022; 67:1399-1416. [DOI: 10.1111/1556-4029.15011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 12/07/2021] [Accepted: 01/26/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Layla P. Santos
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense) Vila Velha Brazil
| | - Marcia H. C. Nascimento
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
| | - Iago H. A. S. Barros
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
| | - Nayara A. Santos
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense) Vila Velha Brazil
| | - Valdemar Lacerda
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
| | - Paulo R. Filgueiras
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
| | - Wanderson Romão
- Laboratório de Petroleômica e Forense Universidade Federal do Espírito Santo (UFES) Vitória Brazil
- Instituto Nacional de Ciência e Tecnologia Forense (INCT Forense) Vila Velha Brazil
- Instituto Federal do Espírito Santo (IFES) Vila Velha Brazil
- Academia Brasileira de Ciências (ABC) Rio de Janeiro Brazil
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Wang Q, Wang J, Li M, Ge Z, Zhang X, Luan L, Li P, Xu W. Size-dependent surface enhanced Raman scattering activity of plasmonic AuNS@AgNCs for rapid and sensitive detection of Butyl benzyl phthalate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119131. [PMID: 33279408 DOI: 10.1016/j.saa.2020.119131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/14/2020] [Accepted: 10/22/2020] [Indexed: 06/12/2023]
Abstract
Phthalate plasticizers (PAEs) are heavily applied to plastic products and poses severe threat to human health. Herein, it is especially urgent to find a stable and reliable method for detecting PAEs. In this report, a Surface Enhanced Raman Scatting (SERS) strategy coupled with plasmonic core-shell Au nanospheres@Ag nanocubes (AuNS@AgNCs) as substrates were employed for the rapid and sensitive detection of Butyl benzyl phthalate (BBP) in liquor samples, and plasmonic core-shell AuNS@AgNCs tend to perform richer localized surface plasmon resonance (LSPR) than AuNS. In this work, different sizes AuNS@AgNCs comprised of Au nanospheres as core and Ag nanocubes as shells were synthesized. Based on this, we then investigated the SERS activity of BBP and crystal violet (CV) reached a maximum level when the thickness of Ag coating shell arrived in a threshold, and even very low signal of trace BBP dissolved in liquor sample can be detected in existence of the plasmonic AuNS@AgNCs active substrate of 50 nm. The sensitivity and repeatability of the optimized size AuNs@AgNCs have been estimated and limits of detection (LOD) was 10-9 M for BBP. In addition, finite difference time domain (FDTD) electromagnetic simulations also performed in great agreement with our experimental results.
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Affiliation(s)
- Qianqian Wang
- Department of Pharmacy, Anhui University of Chinese Medicine, Anhui, Hefei 230038, China
| | - Juan Wang
- Department of Pharmacy, Anhui University of Chinese Medicine, Anhui, Hefei 230038, China
| | - Man Li
- The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Zipan Ge
- Department of Pharmacy, Anhui University of Chinese Medicine, Anhui, Hefei 230038, China
| | - Xiang Zhang
- The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China
| | - Longlong Luan
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Anhui, Hefei 230009, China
| | - Pan Li
- Institute of Health & Medical Technology Hefei Institutes of Physical Science, CAS, Hefei 230021, China.
| | - Weiping Xu
- The First Affiliated Hospital of USTC, Division of Life Science and Medicine, University of Science and Technology of China, Hefei, Anhui 230001, China.
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Han S, Zhang C, Chen Z, Sha X, Hasi W. Rapid Detection of Dezocine in Biological Fluids Based on SERS Technology. ANAL SCI 2021; 37:315-320. [PMID: 32893251 DOI: 10.2116/analsci.20p259] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This paper describes a method based on surface enhanced Raman spectroscopy (SERS) technology for rapid detection of dezocine in urine and serum. Firstly, an Ag colloid substrate was prepared and characterized. Then the Raman characteristic peaks of dezocine were assigned from both theoretical and experimental aspects. Finally, the Raman peak at 661 cm-1 was selected as its characteristic peak to perform SERS detection on dezocine in urine and serum, and the detection limits of dezocine in urine and serum were determined. The relationships between the characteristic peak intensity and the concentration of dezocine in urine and serum were fitted and the recovery rates were calculated. This rapid, accurate and non-destructive method establishes a good foundation for rapid on-site detection of dezocine in biological samples.
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Affiliation(s)
- Siqingaowa Han
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology.,Affiliated Hospital of Inner Mongolia University for the Nationalities
| | - Chen Zhang
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology
| | - Zhijie Chen
- Department of Ophthalmology, Harbin 242 Hospital
| | - Xuanyu Sha
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology
| | - Wuliji Hasi
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology
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Al-Otaibi JS. Detailed quantum mechanical studies on bioactive benzodiazepine derivatives and their adsorption over graphene sheets. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 235:118333. [PMID: 32272424 DOI: 10.1016/j.saa.2020.118333] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Abstract
Estazolam (Z1) and related derivatives, adinazolam (Z2), alprazolam (Z3), 4-hydroxyalprazolam (Z4) and triazolam (Z5) have been studied by using various computational tools to analyze their geometry and spectral characteristics. The compounds were found to interact with graphene monolayer results shows that there is enhancement in various physico-chemical descriptors and surface enhanced Raman spectra (SERS). The various reactive descriptors obtained from the FMO analysis predict the reactive nature of the compound. The various lone pair/sigma to pi conjugation was analyzed using NBO formalism, which provides valuable information about intra molecular electron transfer which is vital in predicting the inherent stability of the molecule. Simulated electronic spectra using TD-DFT and CAM-B3LYP functional are discussed in detail with respect to electronic transitions and light harvesting efficiency. Suitability of candidates as a photo sensitizer in dye sensitized solar cells was studied and 4-Hydroxyalprazolam is identified as a suitable candidate. Nucleophilic and electrophilic regions of the molecules are identified using MESP, which adds to the reactivity information. It can be seen that the highest interaction energy has been obtained in the case of the Z5-graphene system, while the lowest interaction energy has been obtained in the case of the Z1-graphene system. Docking indicates that the ligands adsorbed over graphene also form stable complexes with the receptors as indicated by the high binding affinity energy values.
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Affiliation(s)
- Jamelah S Al-Otaibi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Saudi Arabia.
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