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Sheeraz AS, Aiswarya E, Kumara BN, Sonia J, Rodrigues RV, Sheikh N, Vidyasagar S, Kunder RA, Elangovan S, Mohanty PS, Prasad KS. Additive-manufactured paper-PMMA hybrid microfluidic chip for simultaneous monitoring of creatinine and pH in artificial urine. Analyst 2024. [PMID: 38973472 DOI: 10.1039/d4an00796d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
Nowadays, kidney dysfunction is a common health issue due to the modernized lifestyle. Even though medications are commercially available to treat kidney diseases, early diagnosis is crucial and challenging. Clinically, measuring urine creatinine and pH has gained significant interest as a way to diagnose kidney diseases early. In the present work, we attempted to develop a low-cost, robust, accurate and naked-eye colorimetric method to determine both creatinine levels and pH variations in artificial urine samples using a simple 3D-printed hybrid microfluidic device. Creatinine was detected by the incorporation of the traditional Jaffe test onto the hybrid paper-PMMA microfluidic device and pH (4-8) was measured by a simple anthocyanin test. Notably, the tests were established without employing any sophisticated or costly instrument clusters. The developed 3D-printed microfluidic probe showed a limit of detection (LOD) of 0.04 mM for creatinine over a concentration range of 1-10 mM, with a regression coefficient (R2) of 0.995 in laboratory conditions. Interestingly, the experimental data obtained with artificial urine exhibited a wide linear range from 0.1 mM to 5 mM under different pH values ranging from 4 to 8 in the presence of matrices commonly found in urine samples other than proteins, indicating the potential use of this method in pre-clinical analysis. Since the wide linear range of urine creatinine in artificial urine samples falls well below the clinically relevant concentrations in humans (0.07-0.27 mM), the developed lab-on-chip device is further suitable for clinical evaluation with proper ethical clearance. This 3D-printed hybrid microfluidic colorimetry-based creatinine detection and pH indicator platform can be beneficial in the healthcare sector due to the on-site testing capability, cost-effectiveness, ease of use, robustness, and instrument-free approach.
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Affiliation(s)
- Asim Syed Sheeraz
- School of Biotechnology, KIIT (Deemed to be University), Bhubaneswar, Odisha, India.
| | - Edoth Aiswarya
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - B N Kumara
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - J Sonia
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - Relisha Viyona Rodrigues
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - Nazmin Sheikh
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - Sachin Vidyasagar
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - Rachana A Kunder
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
| | - Selvakumar Elangovan
- School of Biotechnology, KIIT (Deemed to be University), Bhubaneswar, Odisha, India.
| | - Priti Sundar Mohanty
- School of Biotechnology, KIIT (Deemed to be University), Bhubaneswar, Odisha, India.
| | - K Sudhakara Prasad
- Nanomaterial research laboratory (NMRL), Nano Division, Yenepoya Research Centre, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575 018, India.
- Centre for Nutrition Studies, Yenepoya (Deemed to be University), Deralakatte, Mangalore 575018, India
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Tohl D, Tran Tam Pham A, Li J, Tang Y. Point-of-care image-based quantitative urinalysis with commercial reagent strips: Design and clinical evaluation. Methods 2024; 224:63-70. [PMID: 38367653 DOI: 10.1016/j.ymeth.2024.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 01/24/2024] [Accepted: 02/12/2024] [Indexed: 02/19/2024] Open
Abstract
Urinalysis is a useful test as an indicator of health or disease and as such, is a part of routine health screening. Urinalysis can be undertaken in many ways, one of which is reagent strips used in the general evaluation of health and to aid in the diagnosis and monitoring of kidney disease. To be effective, the test must be performed properly, and the results interpreted correctly. However, different light conditions and colour perception can vary between users leading to ambiguous readings. This has led to camera devices being used to capture and generate the estimated biomarker concentrations, but image colour can be affected by variations in illumination and inbuilt image processing. Therefore, a new portable device with embedded image processing techniques is presented in this study to provide quantitative measurements that are invariant to changes in illumination. The device includes a novel calibration process and uses the ratio of RGB values to compensate for variations in illumination across an image and improve the accuracy of quantitative measurements. Results show that the proposed calibration method gives consistent homogeneous illumination across the whole image. Comparisons against other existing methods and clinical results show good performance with a correlation to the clinical values. The proposed device can be used for point-of-care testing to provide reliable results consistent with clinical values.
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Affiliation(s)
- Damian Tohl
- Australia-China Joint Research Centre for Personal Health Technologies, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia
| | - Anh Tran Tam Pham
- Australia-China Joint Research Centre for Personal Health Technologies, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia
| | - Jordan Li
- Department of Renal Medicine, Flinders Medical Centre, College of Medicine and Public Health, Flinders University, South Australia 5042, Australia
| | - Youhong Tang
- Australia-China Joint Research Centre for Personal Health Technologies, Medical Device Research Institute, College of Science and Engineering, Flinders University, South Australia 5042, Australia.
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Rypar T, Bezdekova J, Pavelicova K, Vodova M, Adam V, Vaculovicova M, Macka M. Low-tech vs. high-tech approaches in μPADs as a result of contrasting needs and capabilities of developed and developing countries focusing on diagnostics and point-of-care testing. Talanta 2024; 266:124911. [PMID: 37536103 DOI: 10.1016/j.talanta.2023.124911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 06/28/2023] [Accepted: 07/02/2023] [Indexed: 08/05/2023]
Abstract
Paper-based analysis has captivated scientists' attention in the field of analytical chemistry and related areas for the last two decades. Arguably no other area of modern chemical analysis is so broad and diverse in its approaches spanning from simple 'low-tech' low-cost paper-based analytical devices (PADs) requiring no or simple instrumentation, to sophisticated PADs and microfluidic paper-based analytical devices (μPADs) featuring elements of modern material science and nanomaterials affording high selectivity and sensitivity. Correspondingly diverse is the applicability, covering resource-limited scenarios on the one hand and most advanced approaches on the other. Herein we offer a view reflecting this diversity in the approaches and types of devices. The core idea of this article rests in dividing μPADs according to their type into two groups: A) instrumentation-free μPADs for resource-limited scenarios or developing countries and B) instrumentation-based μPADs as futuristic POC devices for e-diagnostics mainly aimed at developed countries. Each of those two groups is presented and discussed with the view of the main requirements in the given area, the most common targets, sample types and suitable detection approaches either implementing high-tech elements or low-tech low-cost approaches. Finally, a socioeconomic perspective is offered in discussing the fabrication and operational costs of μPADs, and, future perspectives are offered.
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Affiliation(s)
- Tomas Rypar
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Jaroslava Bezdekova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Kristyna Pavelicova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Milada Vodova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Marketa Vaculovicova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Mirek Macka
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic; Central European Institute of Technology, Brno University of Technology, Purkynova 123, 612 00, Brno, Czech Republic; Australian Centre for Research on Separation Science and School o Natural Sciences, University of Tasmania, Private Bag 75, Hobart TAS, 7001, Australia.
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Sequeira-Antunes B, Ferreira HA. Urinary Biomarkers and Point-of-Care Urinalysis Devices for Early Diagnosis and Management of Disease: A Review. Biomedicines 2023; 11:biomedicines11041051. [PMID: 37189669 DOI: 10.3390/biomedicines11041051] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/10/2023] [Accepted: 03/27/2023] [Indexed: 03/31/2023] Open
Abstract
Biosensing and microfluidics technologies are transforming diagnostic medicine by accurately detecting biomolecules in biological samples. Urine is a promising biological fluid for diagnostics due to its noninvasive collection and wide range of diagnostic biomarkers. Point-of-care urinalysis, which integrates biosensing and microfluidics, has the potential to bring affordable and rapid diagnostics into the home to continuing monitoring, but challenges still remain. As such, this review aims to provide an overview of biomarkers that are or could be used to diagnose and monitor diseases, including cancer, cardiovascular diseases, kidney diseases, and neurodegenerative disorders, such as Alzheimer’s disease. Additionally, the different materials and techniques for the fabrication of microfluidic structures along with the biosensing technologies often used to detect and quantify biological molecules and organisms are reviewed. Ultimately, this review discusses the current state of point-of-care urinalysis devices and highlights the potential of these technologies to improve patient outcomes. Traditional point-of-care urinalysis devices require the manual collection of urine, which may be unpleasant, cumbersome, or prone to errors. To overcome this issue, the toilet itself can be used as an alternative specimen collection and urinalysis device. This review then presents several smart toilet systems and incorporated sanitary devices for this purpose.
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An origami microfluidic paper device for on-site assessment of urine tampering. First use of Nessler's reagent for the colorimetric determination of creatinine. Anal Chim Acta 2022; 1237:340610. [DOI: 10.1016/j.aca.2022.340610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/27/2022] [Accepted: 11/10/2022] [Indexed: 11/12/2022]
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Khan MS, Shadman SA, Khandaker MMR. Advances and current trend of bioactive papers and paper diagnostics for health and biotechnological applications. Curr Opin Chem Eng 2022. [DOI: 10.1016/j.coche.2021.100733] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Abstract
Regular health monitoring can result in early detection of disease, accelerate the delivery of medical care and, therefore, considerably improve patient outcomes for countless medical conditions that affect public health. A substantial unmet need remains for technologies that can transform the status quo of reactive health care to preventive, evidence-based, person-centred care. With this goal in mind, platforms that can be easily integrated into people's daily lives and identify a range of biomarkers for health and disease are desirable. However, urine - a biological fluid that is produced in large volumes every day and can be obtained with zero pain, without affecting the daily routine of individuals, and has the most biologically rich content - is discarded into sewers on a regular basis without being processed or monitored. Toilet-based health-monitoring tools in the form of smart toilets could offer preventive home-based continuous health monitoring for early diagnosis of diseases while being connected to data servers (using the Internet of Things) to enable collection of the health status of users. In addition, machine learning methods can assist clinicians to classify, quantify and interpret collected data more rapidly and accurately than they were able to previously. Meanwhile, challenges associated with user acceptance, privacy and test frequency optimization should be considered to facilitate the acceptance of smart toilets in society.
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Affiliation(s)
- Savas Tasoglu
- Department of Mechanical Engineering, Koc University, Istanbul, Turkey. .,Koç University Translational Medicine Research Center (KUTTAM), Koç University, Sarıyer, Istanbul, Turkey. .,Boğaziçi Institute of Biomedical Engineering, Boğaziçi University, Çengelköy, Istanbul, Turkey. .,Physical Intelligence Department, Max Planck Institute for Intelligent Systems, Stuttgart, Germany.
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Tai WC, Chang YC, Chou D, Fu LM. Lab-on-Paper Devices for Diagnosis of Human Diseases Using Urine Samples-A Review. BIOSENSORS 2021; 11:260. [PMID: 34436062 PMCID: PMC8393526 DOI: 10.3390/bios11080260] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 07/26/2021] [Accepted: 07/29/2021] [Indexed: 12/23/2022]
Abstract
In recent years, microfluidic lab-on-paper devices have emerged as a rapid and low-cost alternative to traditional laboratory tests. Additionally, they were widely considered as a promising solution for point-of-care testing (POCT) at home or regions that lack medical infrastructure and resources. This review describes important advances in microfluidic lab-on-paper diagnostics for human health monitoring and disease diagnosis over the past five years. The review commenced by explaining the choice of paper, fabrication methods, and detection techniques to realize microfluidic lab-on-paper devices. Then, the sample pretreatment procedure used to improve the detection performance of lab-on-paper devices was introduced. Furthermore, an in-depth review of lab-on-paper devices for disease measurement based on an analysis of urine samples was presented. The review concludes with the potential challenges that the future development of commercial microfluidic lab-on-paper platforms for human disease detection would face.
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Affiliation(s)
- Wei-Chun Tai
- Department of Oral and Maxillofacial Surgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan;
| | - Yu-Chi Chang
- Department of Engineering Science, National Cheng Kung University, Tainan 701, Taiwan;
| | - Dean Chou
- Department of Biomedical Engineering, National Cheng Kung University, Tainan 701, Taiwan;
| | - Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan 701, Taiwan;
- Graduate Institute of Materials Engineering, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
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Wen P, Yang F, Ge C, Li S, Xu Y, Chen L. Self-assembled nano-Ag/Au@Au film composite SERS substrates show high uniformity and high enhancement factor for creatinine detection. NANOTECHNOLOGY 2021; 32:395502. [PMID: 34161934 DOI: 10.1088/1361-6528/ac0ddd] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Serum creatinine is a key biomarker for the diagnosis and monitoring of kidney disease. Rapid and sensitive creatinine detection is thus important. Here, we propose a high-performance nano-Ag/Au@Au film composite SERS substrate for the rapid detection of creatinine in human serum. Au nanoparticles (AuNPs) and Ag nanoparticles (AgNPs) with uniform particle size were synthesized by a chemical reduction method, and the nano-Ag/Au@Au film composite SERS substrate was successfully prepared via a consecutive layer-on-layer deposition using an optimized liquid-liquid interface self-assembly method. The finite element simulation analysis showed that due to the multi-dimensional plasmonic coupling effect formed between the AuNPs, AgNPs, and the Au film, the intensity of the local electromagnetic field was greatly improved, and a very high enhancement factor (EF) was obtained. Experimental results showed that the limit of detection (LOD) of this composite SERS substrate for rhodamine 6G (R6G) molecules was as low as 1 × 10-13M, and the Raman EF was 15.7 and 2.9 times that of the AuNP and AgNP monolayer substrates respectively. The results of different batch tests and SERS mapping showed that the relative standard deviations of the Raman intensity of R6G at 612 cm-1were 12.5% and 11.7%, respectively. Finally, we used the SERS substrate for the label-free detection of human serum creatinine. The results showed that the LOD of this SERS substrate for serum creatinine was 5 × 10-6M with a linear correlation coefficient of 0.96. In conclusion, the SERS substrate has high sensitivity, good uniformity, simple preparation, and has important developmental potential for the rapid detection and application of disease biomarkers.
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Affiliation(s)
- Ping Wen
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Key Disciplines Lab of Novel Micro-Nano Devices and System Technology, Chongqing University, Chongqing 400044, People's Republic of China
- School of Intelligent Manufacturing, Sichuan University of Arts and Science, Dazhou 635000, People's Republic of China
| | - Feng Yang
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Key Disciplines Lab of Novel Micro-Nano Devices and System Technology, Chongqing University, Chongqing 400044, People's Republic of China
- School of Intelligent Manufacturing, Sichuan University of Arts and Science, Dazhou 635000, People's Republic of China
| | - Chuang Ge
- Key Laboratory of Translational Research for Cancer Metastasis and Individualized Treatment, Chongqing University Cancer Hospital, Chongqing 400030, People's Republic of China
| | - Shunbo Li
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Key Disciplines Lab of Novel Micro-Nano Devices and System Technology, Chongqing University, Chongqing 400044, People's Republic of China
| | - Yi Xu
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Key Disciplines Lab of Novel Micro-Nano Devices and System Technology, Chongqing University, Chongqing 400044, People's Republic of China
| | - Li Chen
- College of Optoelectronic Engineering, Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Key Disciplines Lab of Novel Micro-Nano Devices and System Technology, Chongqing University, Chongqing 400044, People's Republic of China
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Narimani R, Esmaeili M, Rasta SH, Khosroshahi HT, Mobed A. Trend in creatinine determining methods: Conventional methods to molecular‐based methods. ANALYTICAL SCIENCE ADVANCES 2021; 2:308-325. [DOI: 10.1002/ansa.202000074] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/28/2020] [Indexed: 10/07/2023]
Abstract
AbstractRenal failure (RF) disease is ranked as one of the most prevalent diseases with severe morbidity and mortality. Early diagnosis of RF leads to subsequent control of disease to reduce the poor prognosis. The level of sera creatinine is considered as a significant biomarker for kidney biofunction, which is routinely detected by the Jaffe reaction. The normal range for creatinine in the blood may be 0.84‐1.21 mg/dL. Low accuracy, insufficient sensitivity, explosive and toxicity of picric acid, and pseudo‐interaction with nonspecific elements such as ammonium ions in the Jaffe method lead to the development of various techniques for precise detection of creatinine such as spectroscopic, electrochemical, and chromatography approaches and sensors based on enzymes, molecular imprinted polymer and nanoparticles, etc. Based on previously established results, they are trying to construct sensors with high accuracy, optimum sensitivity, acceptable linear/calibration range, and limit of detection, which are small in size and applicable by the patient him/herself (point‐of‐care testing). By comparing the results of research, a molecularly imprinted electrochemiluminescence‐based sensor with linear/calibration range of 5‐1 mMconcentration of creatinine and the detection limit of 0.5 nM has the best detectable resolution with 2 million measurable points. In this paper, we will review the recently developed methods for measuring creatinine concentration and renal biofunction.
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Affiliation(s)
- Ramin Narimani
- Medical Bioengineering Department, School of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
- Molecular Medicine Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Mahdad Esmaeili
- Medical Bioengineering Department, School of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
| | - Seyed Hossein Rasta
- Medical Bioengineering Department, School of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
- Department of Medical Physics, School of Medicine Tabriz University of Medical Sciences Tabriz Iran
- Department of Biomedical Physics, School of Medical Sciences University of Aberdeen Aberdeen UK
| | - Hamid Tayebi Khosroshahi
- Center for Chronic Kidney Disease Tabriz University of Medical Sciences Tabriz Iran
- Department of Internal Medicine, Imam Reza Hospital Tabriz University of Medical Sciences Tabriz Iran
- Biotechnology Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Ahmad Mobed
- Aging Research Institute Tabriz University of Medical Sciences Tabriz Iran
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Pedrozo-Peñafiel MJ, Lópes T, Gutiérrez-Beleño LM, Da Costa MEM, Larrudé DG, Aucelio RQ. Voltammetric determination of creatinine using a gold electrode modified with Nafion mixed with graphene quantum dots-copper. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114561] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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An optimal method for measuring biomarkers: colorimetric optical image processing for determination of creatinine concentration using silver nanoparticles. 3 Biotech 2020; 10:416. [PMID: 32944491 DOI: 10.1007/s13205-020-02405-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/20/2020] [Indexed: 12/31/2022] Open
Abstract
Creatinine concentration is one of the important elements in the body for diagnosing kidney failure, muscular dystrophy, glomerular filtration rate, and diabetic nephropathy. The disadvantages of recently introduced analytical techniques, such as Jaffe's, spectroscopic, colorimetric, and chromatographic methods, for quantifying creatinine in urine involve toxicity, the high cost, interference, and the complexity of the design. In this paper, we designed and fabricated a new colorimetric assay for the measurement of creatinine concentration based on color differentiation generated by mixing different concentrations of creatinine with synthesized silver nanoparticles (AgNPs) coated with polyvinylpyrrolidone (PVP) and polyvinyl alcohol (PVA). An isolated box is designed for the uniform optical imaging of solutions, the captured images are processed in real time, and the quantitative and qualitative results are displayed. For colorimetric processing, a variety of color systems, such as RGB (red, green, blue), CMYK (cyan, magenta, yellow, black), and grayscale (Gr), have been evaluated, indicating that the combination of green (G) and grayscale (Gr) provides the best results for this experiment. TEM analysis and spectroscopy were used to confirm the results of the experiment. Linear range and limit of detection (LOD) were obtained for AgNPs/PVP 0.03-1 mg/dl and 0.024 mg/dl and for AgNPs/PVA 0.01-1 mg/dl and 0.014 mg/dl, respectively, indicating the superiority of our proposed method over recently introduced methods. In this experiment, the detectable resolution with AgNPs/PVP is 40, while it is 71 with AgNPs/PVA. The designed system is simple to use, small in size, and cost-effective for measuring creatinine concentration, while it can be used as a portable system.
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Ding L, Yuan LM, Sun Y, Zhang X, Li J, Yan Z. Rapid Assessment of Exercise State through Athlete's Urine Using Temperature-Dependent NIRS Technology. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2020; 2020:8828213. [PMID: 32908779 PMCID: PMC7475757 DOI: 10.1155/2020/8828213] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 08/18/2020] [Indexed: 06/11/2023]
Abstract
Athletes usually take nutritional supplements and perform the specialized training to improve the performance of sport. A quick assessment of their athletic status will help to understand the current physical function of athletes' status and the effect of nutritional supplementation. Human urine, as one of the most important body indicators, is composed of many metabolites, which can provide effective monitoring information for physical conditions. In this study, temperature-dependent near-infrared spectroscopy (NIRS) technology was used to collect the spectra of athlete's urine for evaluating the feasibility of rapidly detecting the exercise state of the basketball player. To obtain the detection results accurately, several chemometrics methods including principal component analysis (PCA), variables selection method of variable importance in projection (VIP), continuous 1D wavelet transform (CWT), and partial least square-discriminant analysis (PLS-DA) were employed to develop a classifier to distinguish the physical status of athletes. The optimal classifying results were obtained by wavelet-PLS-DA classifier, whose average precision, sensitivity, and specificity are all above 0.95, and the overall accuracy of all samples is 0.97. These results demonstrate that temperature-dependent NIRS can be used to rapidly assess the physical function of athlete's status and the effect of nutritional supplementation is feasible. It can be believed that temperature-dependent NIR spectroscopy will obtain applications more widely in the future.
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Affiliation(s)
- Lihe Ding
- School of Physical Education & Sport Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Lei-ming Yuan
- College of Electric & Electronic Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yiye Sun
- College of Electric & Electronic Engineering, Wenzhou University, Wenzhou 325035, China
| | - Xia Zhang
- College of Electric & Electronic Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jianpeng Li
- School of Physical Education & Sport Science, Wenzhou Medical University, Wenzhou 325035, China
| | - Zou Yan
- School of Physical Education & Sport Science, Wenzhou Medical University, Wenzhou 325035, China
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Hiraoka R, Kuwahara K, Wen YC, Yen TH, Hiruta Y, Cheng CM, Citterio D. Paper-Based Device for Naked Eye Urinary Albumin/Creatinine Ratio Evaluation. ACS Sens 2020; 5:1110-1118. [PMID: 32186370 DOI: 10.1021/acssensors.0c00050] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This paper introduces the concept of "Drawing-PADs" (Drawing paper-based microfluidic analytical devices) allowing to intuitively evaluate the urinary albumin (Alb) index, a clinically important parameter used for the early detection of renal deficiencies related to diabetes, among others. To enable regular monitoring of the Alb index, a simple examination method suitable for self-diagnosis is highly desirable. The Drawing-PADs rely on the simultaneous naked eye detection of Alb and creatinine (Cre) on a single device according to the distance-based microfluidic PAD (μPAD) approach. The Alb index is visualized by simply drawing a straight line connecting the top of two color-changed assay channel sections (Alb and Cre channels), followed by visually confirming the position of the intercept of the drawn straight line. The semiquantitative Alb index evaluation performed with Drawing-PADs does not require any equipment such as a camera, software, or a color reference chart. The obtained results are independent of the sample volume and are not influenced by changes in the absolute Alb and Cre concentrations caused by urine excretion variations, making spot urine assays possible. Classification of Alb index values according to clinically relevant criteria (normoalbuminuria, microalbuminuria, and macroalbuminuria) is readily achieved within 15 min and has been validated for 15 human urine samples including diabetic patients and healthy volunteers.
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Affiliation(s)
- Ryuya Hiraoka
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama 223-8522, Japan
| | - Kento Kuwahara
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama 223-8522, Japan
| | - Yun-Chiao Wen
- School of Traditional Chinese Medicine, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Tzung-Hai Yen
- Department of Nephrology, Chang Gung Memorial Hospital and College of Medicine, Chang Gung University, Taoyuan 333, Taiwan
| | - Yuki Hiruta
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama 223-8522, Japan
| | - Chao-Min Cheng
- Institute of Biomedical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan
| | - Daniel Citterio
- Department of Applied Chemistry, Keio University, 3-14-1 Hiyoshi,
Kohoku-ku, Yokohama 223-8522, Japan
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15
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Liu KZ, Tian G, Ko ACT, Geissler M, Brassard D, Veres T. Detection of renal biomarkers in chronic kidney disease using microfluidics: progress, challenges and opportunities. Biomed Microdevices 2020; 22:29. [PMID: 32318839 DOI: 10.1007/s10544-020-00484-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chronic kidney disease (CKD) typically evolves over many years in a latent period without clinical signs, posing key challenges to detection at relatively early stages of the disease. Accurate and timely diagnosis of CKD enable effective management of the disease and may prevent further progression. However, long turn-around times of current testing methods combined with their relatively high cost due to the need for established laboratory infrastructure, specialized instrumentation and trained personnel are drawbacks for efficient assessment and monitoring of CKD, especially in underserved and resource-poor locations. Among the emerging clinical laboratory approaches, microfluidic technology has gained increasing attention over the last two decades due to the possibility of miniaturizing bioanalytical assays and instrumentation, thus potentially improving diagnostic performance. In this article, we review current developments related to the detection of CKD biomarkers using microfluidics. A general trend in this emerging area is the search for novel, sensitive biomarkers for early detection of CKD using technology that is improved by means of microfluidics. It is anticipated that these innovative approaches will be soon adopted and utilized in both clinical and point-of-care settings, leading to improvements in life quality of patients.
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Affiliation(s)
- Kan-Zhi Liu
- Medical Devices Research Centre, National Research Council Canada, 435 Ellice Avenue, Winnipeg, MB, R3B1Y6, Canada.
| | - Ganghong Tian
- Medical Devices Research Centre, National Research Council Canada, 435 Ellice Avenue, Winnipeg, MB, R3B1Y6, Canada
| | - Alex C-T Ko
- Medical Devices Research Centre, National Research Council Canada, 435 Ellice Avenue, Winnipeg, MB, R3B1Y6, Canada
| | - Matthias Geissler
- Medical Devices Research Centre, National Research Council Canada, 75 de Mortagne Boulevard, Boucherville, QC, J4B6Y4, Canada
| | - Daniel Brassard
- Medical Devices Research Centre, National Research Council Canada, 75 de Mortagne Boulevard, Boucherville, QC, J4B6Y4, Canada
| | - Teodor Veres
- Medical Devices Research Centre, National Research Council Canada, 75 de Mortagne Boulevard, Boucherville, QC, J4B6Y4, Canada
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16
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Mathaweesansurn A, Thongrod S, Khongkaew P, Phechkrajang CM, Wilairat P, Choengchan N. Simple and fast fabrication of microfluidic paper-based analytical device by contact stamping for multiple-point standard addition assay: Application to direct analysis of urinary creatinine. Talanta 2020; 210:120675. [DOI: 10.1016/j.talanta.2019.120675] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 12/21/2019] [Accepted: 12/23/2019] [Indexed: 02/06/2023]
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17
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El-Shahawi MS, Mujawar LH, Khoj MA, Vattamkandathil S. Rapid and sensitive determination of Pb2+ in water using chromogenic reagent patterned on nail polish modified filter paper. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104448] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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18
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Fava EL, Martimiano do Prado T, Almeida Silva T, Cruz de Moraes F, Censi Faria R, Fatibello‐Filho O. New Disposable Electrochemical Paper‐based Microfluidic Device with Multiplexed Electrodes for Biomarkers Determination in Urine Sample. ELECTROANAL 2020. [DOI: 10.1002/elan.201900641] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Elson Luiz Fava
- Department of Chemistry Federal University of São Carlos São Carlos, P.O. Box 676 13560-970, SP Brazil
| | | | - Tiago Almeida Silva
- Department of Chemistry Federal University of São Carlos São Carlos, P.O. Box 676 13560-970, SP Brazil
- Department of Metallurgy and Chemistry Federal Center for Technological Education of Minas Gerais Timóteo 35180-008, MG Brazil
| | - Fernando Cruz de Moraes
- Department of Chemistry Federal University of São Carlos São Carlos, P.O. Box 676 13560-970, SP Brazil
| | - Ronaldo Censi Faria
- Department of Chemistry Federal University of São Carlos São Carlos, P.O. Box 676 13560-970, SP Brazil
| | - Orlando Fatibello‐Filho
- Department of Chemistry Federal University of São Carlos São Carlos, P.O. Box 676 13560-970, SP Brazil
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19
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Feasibility of measuring sodium, potassium and creatinine from urine sample on dried filter paper. Bioanalysis 2019; 11:689-701. [PMID: 30994023 DOI: 10.4155/bio-2018-0295] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Aim: To develop a bioassay for estimation of sodium, potassium and creatinine in dried urine strips and comparing with their respective concentration in liquid urine samples. Materials & methods: Urine was collected on filter paper strips, dried at room temperature and, eluted for estimation of sodium, potassium by indirect ion selective electrode method and creatinine by Jaffé method. Result: This bioassay was validated based on the US FDA guidelines for bioanalytical method validation and was linear, sensitive, accurate and precise with acceptable recovery and matrix effects. Analytes were stable in dried urine strips during 1 year of storage at 4°C. Conclusion: We conclude that the dried urine is suitable for analysis of sodium, potassium and creatinine and offers a convenient alternative for monitoring dietary salt intake.
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20
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Nishat S, Awan FR, Bajwa SZ. Nanoparticle-based Point of Care Immunoassays for in vitro Biomedical Diagnostics. ANAL SCI 2019; 35:123-131. [PMID: 30224569 DOI: 10.2116/analsci.18r001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In resource-limited settings, the availability of medical practitioners and early diagnostic facilities are inadequate relative to the population size and disease burden. To address cost and delayed time issues in diagnostics, strip-based immunoassays, e.g. dipstick, lateral flow assay (LFA) and microfluidic paper-based analytical devices (microPADs), have emerged as promising alternatives to conventional diagnostic approaches. These assays rely on chromogenic agents to detect disease biomarkers. However, limited specificity and sensitivity have motivated scientists to improve the efficiency of these assays by conjugating chromogenic agents with nanoparticles for enhanced qualitative and quantitative output. Various nanomaterials, which include metallic, magnetic and luminescent nanoparticles, are being used in the fabrication of biosensors to detect and quantify biomolecules and disease biomarkers. This review discusses some of the principles and applications of such nanoparticle-based point of care biosensors in biomedical diagnosis.
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Affiliation(s)
- Sumaira Nishat
- National Institute for Biotechnology and Genetic Engineering (NIBGE).,akistan Institute of Engineering and Applied Sciences (PIEAS).,Department of Computer Science, University of Agriculture
| | - Fazli Rabbi Awan
- National Institute for Biotechnology and Genetic Engineering (NIBGE).,akistan Institute of Engineering and Applied Sciences (PIEAS)
| | - Sadia Zafar Bajwa
- National Institute for Biotechnology and Genetic Engineering (NIBGE).,akistan Institute of Engineering and Applied Sciences (PIEAS)
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21
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Singh AT, Lantigua D, Meka A, Taing S, Pandher M, Camci-Unal G. Paper-Based Sensors: Emerging Themes and Applications. SENSORS (BASEL, SWITZERLAND) 2018; 18:E2838. [PMID: 30154323 PMCID: PMC6164297 DOI: 10.3390/s18092838] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 08/21/2018] [Accepted: 08/23/2018] [Indexed: 02/06/2023]
Abstract
Paper is a versatile, flexible, porous, and eco-friendly substrate that is utilized in the fabrication of low-cost devices and biosensors for rapid detection of analytes of interest. Paper-based sensors provide affordable platforms for simple, accurate, and rapid detection of diseases, in addition to monitoring food quality, environmental and sun exposure, and detection of pathogens. Paper-based devices provide an inexpensive technology for fabrication of simple and portable diagnostic systems that can be immensely useful in resource-limited settings, such as in developing countries or austere environments, where fully-equipped facilities and highly trained medical staff are absent. In this work, we present the different types of paper that are currently utilized in fabrication of paper-based sensors, and common fabrication techniques ranging from wax printing to origami- and kirigami-based approaches. In addition, we present different detection techniques that are employed in paper-based sensors such as colorimetric, electrochemical, and fluorescence detection, chemiluminescence, and electrochemiluminescence, as well as their applications including disease diagnostics, cell cultures, monitoring sun exposure, and analysis of environmental reagents including pollutants. Furthermore, main advantages and disadvantages of different types of paper and future trends for paper-based sensors are discussed.
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Affiliation(s)
- Amrita Tribhuwan Singh
- Department of Biological Sciences, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
| | - Darlin Lantigua
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
- Biomedical Engineering and Biotechnology Program, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
| | - Akhil Meka
- Department of Biological Sciences, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
| | - Shainlee Taing
- Department of Biological Sciences, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
| | - Manjot Pandher
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
- Biomedical Engineering and Biotechnology Program, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
| | - Gulden Camci-Unal
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Avenue, Lowell, MA 01854, USA.
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22
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23
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Chaiyo S, Kalcher K, Apilux A, Chailapakul O, Siangproh W. A novel paper-based colorimetry device for the determination of the albumin to creatinine ratio. Analyst 2018; 143:5453-5460. [DOI: 10.1039/c8an01122b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A novel paper-based analytical device (PAD) was fabricated and developed for the simple and rapid determination of the albumin to creatinine ratio (ACR) in urine samples.
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Affiliation(s)
- Sudkate Chaiyo
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE)
- Department of Chemistry
- Faculty of Science
- Chulalongkorn University
- Bangkok 10330
| | - Kurt Kalcher
- Institute of Chemistry
- Department of Analytical Chemistry
- Karl-Franzens University
- Graz A-8010
- Austria
| | - Amara Apilux
- Department of Clinical chemistry
- Faculty of Medical Technology
- Mahidol University
- Nakhon Pathom 73170
- Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence (EOSCE)
- Department of Chemistry
- Faculty of Science
- Chulalongkorn University
- Bangkok 10330
| | - Weena Siangproh
- Department of Chemistry
- Faculty of Science
- Srinakharinwirot University
- Bangkok 10110
- Thailand
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