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Kashif M, Acharya S, Khalil A. Molecular Interactions Leading to Advancements in the Techniques for COVID-19 Detection: A Review. J AOAC Int 2024; 107:519-528. [PMID: 38310327 DOI: 10.1093/jaoacint/qsae010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/20/2024] [Accepted: 01/20/2024] [Indexed: 02/05/2024]
Abstract
Since 2019 the world has been in a combat with the highly contagious disease COVID-19 which is caused by the rapid transmission of the SARS-CoV-2 virus (severe acute respiratory syndrome coronavirus 2). Detection of this disease in an early stage helps to control its spread and management. To combat this epidemic with one-time effective medication, improved quick analytical procedures must be developed and validated. The requirement for accurate and precise analytical methods for the diagnosis of the virus and antibodies in infected patients has been a matter of concern. The global impact of this virus has motivated scientists and researchers to investigate and develop various analytical diagnostic techniques. This review includes the study of standard methods which are reliable and accredited for the analytical recognition of the said virus. For early detection of SARS-CoV-2 RNA, RT-PCR (Real-time reverse transcriptase-polymerase chain reaction) is an accurate method among other methods and, thus, considered as the "gold standard" technique. Here, we outline the most extensively used analytical methods for diagnosing COVID-19, along with a brief description of each technique and its analytical aspects/perspective.
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Affiliation(s)
- Mohammad Kashif
- Aligarh Muslim University, Analytical Chemistry Section, Department of Chemistry, Aligarh, Uttar Pradesh 202002, India
| | - Swati Acharya
- Aligarh Muslim University, Analytical Chemistry Section, Department of Chemistry, Aligarh, Uttar Pradesh 202002, India
| | - Adila Khalil
- Aligarh Muslim University, Analytical Chemistry Section, Department of Chemistry, Aligarh, Uttar Pradesh 202002, India
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Vealan K, Joseph N, Alimat S, Karumbati AS, Thilakavathy K. Lateral flow assay: a promising rapid point-of-care testing tool for infections and non-communicable diseases. ASIAN BIOMED 2023; 17:250-266. [PMID: 38161347 PMCID: PMC10754503 DOI: 10.2478/abm-2023-0068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
The point-of-care testing (POCT) approach has established itself as having remarkable importance in diagnosing various infectious and non-communicable diseases (NCDs). The POCT approach has succeeded in meeting the current demand for having diagnostic strategies that can provide fast, sensitive, and highly accurate test results without involving complicated procedures. This has been accomplished by introducing rapid bioanalytical tools or biosensors such as lateral flow assays (LFAs). The production cost of these tools is very low, allowing developing countries with limited resources to utilize them or produce them on their own. Thus, their use has grown in various fields in recent years. More importantly, LFAs have created the possibility for a new era of incorporating nanotechnology in disease diagnosis and have already attained significant commercial success worldwide, making POCT an essential approach not just for now but also for the future. In this review, we have provided an overview of POCT and its evolution into the most promising rapid diagnostic approach. We also elaborate on LFAs with a special focus on nucleic acid LFAs.
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Affiliation(s)
- Kumaravel Vealan
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM Serdang43400, Malaysia
| | - Narcisse Joseph
- Department of Medical Microbiology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM Serdang43400, Malaysia
| | - Sharizah Alimat
- Department of Chemistry Malaysia, Ministry of Science, Technology and Innovation, Petaling Jaya46661, Selangor, Malaysia
| | - Anandi S. Karumbati
- Centre for Chemical Biology and Therapeutics, Institute for Stem Cell Science and Regenerative Medicine, Bangalore560065, India
| | - Karuppiah Thilakavathy
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, UPM Serdang43400, Malaysia
- Malaysian Research Institute on Ageing (MyAgeing), Universiti Putra Malaysia, UPM Serdang43400, Selangor, Malaysia
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Wang R, Wang S, Guo W, Zhang T, Kang Q, Wang P, Zhou F, Yang L. Flow injection analysis coupled with photoelectrochemical immunoassay for simultaneous detection of anti-SARS-CoV-2-spike and anti-SARS-CoV-2-nucleocapsid antibodies in serum samples. Anal Chim Acta 2023; 1280:341857. [PMID: 37858551 DOI: 10.1016/j.aca.2023.341857] [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: 05/19/2023] [Revised: 09/28/2023] [Accepted: 09/28/2023] [Indexed: 10/21/2023]
Abstract
A thin-layer flow cell of low internal volume (12 μL) is incorporated in a flow injection analysis (FIA) system for simultaneous and real-time photoelectrochemical (PEC) immunoassay of anti-SARS-CoV-2 spike 1 (S1) and anti-SARS-CoV-2 nucleocapsid (N) antibodies. Covalent linkage of S1 and N proteins to two separate polyethylene glycol (PEG)-covered gold nanoparticles (AuNPs)/TiO2 nanotube array (NTA) electrodes affords 10 consecutive analyses with surface regenerations in between. An indium tin oxide (ITO) allows visible light to impinge onto the two electrodes. The detection limits for anti-S1 and anti-N antibodies were estimated to be 177 and 97 ng mL-1, respectively. Such values compare well with those achieved with other reported methods and satisfy the requirement for screening convalescent patients with low antibody levels. Additionally, our method exhibits excellent intra-batch (RSD = 1.3%), inter-batch (RSD = 3.4%), intra-day (RSD = 1.0%), and inter-day (RSD = 1.6%) reproducibility. The obviation of an enzyme label and continuous analysis markedly decreased the assay cost and duration, rendering this method cost-effective. The excellent anti-fouling property of PEG enables accuracy validation by comparing our PEC immunoassays of patient sera to those of ELISA. In addition, the simultaneous detection of two antibodies holds great potential in disease diagnosis and immunity studies.
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Affiliation(s)
- Ruimin Wang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Shuai Wang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Wanze Guo
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Tiantian Zhang
- University Hospital, University of Jinan, Jinan, Shandong, 250022, PR China
| | - Qing Kang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China.
| | - Pengcheng Wang
- Institute of Surface Analysis and Chemical Biology, University of Jinan, Jinan, Shandong, 250022, PR China.
| | - Feimeng Zhou
- School of Life Sciences, Tiangong University, Tianjin, 300387, PR China
| | - Lixia Yang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang, 330063, PR China
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Cedro VQM, de Lima Gomes S, Simões ACCD, Sverzut TDVL, Bertti KCX, Tristão MT, Cavalcanti YW, Câmara JVF, Pereira AC. Cost-effectiveness analysis of COVID-19 tests in the unified health system. COST EFFECTIVENESS AND RESOURCE ALLOCATION 2023; 21:64. [PMID: 37705076 PMCID: PMC10498608 DOI: 10.1186/s12962-023-00469-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 08/17/2023] [Indexed: 09/15/2023] Open
Abstract
BACKGROUND To evaluate the cost-effectiveness ratio and economic impact of the Rapid Antigen Test (TR-Ag) to replace RT-PCR for the detection of the new Coronavirus in the Unified Health System (SUS). METHODS This is a cost-effectiveness analysis. Clinical protocols were used for the diagnosis of COVID-19 at the São José Municipal Hospital, located in the city of Itaberá-SP. The Incremental Cost-Effectiveness Ratio (ICER) was divided into two scenarios. In the first, the accuracy reported by the test manufacturers was included, and in the second, the cost resulting from a systematic review. Both were compared with the performance of the RT-PCR test. The increase in diagnoses was chosen as a health outcome and absenteeism was used as a criterion for assessing the economic impact. RESULTS The analysis resulted in incremental cost-effectiveness ratios of R$ 42,136.67 and R$ 68,329.73 for every thousand tests, according to the accuracy of the manufacturers' TR-Ag tests and what is reported in the literature in relation to RT-PCR, respectively. The average value found for the RT-PCR test (R$ 202.87) represents an increase of 165.32% in cost in relation to the value found for the TR-Ag. 4,305 tests were performed between April 2020 and December 2021 at the referral hospital. Also, maintaining the use of RT-PCR as the first choice for diagnosing COVID-19 and regulating absenteeism in the economically active population could have an impact of up to R$ 1,022,779.68 on municipal management. CONCLUSION It is concluded that the TR-Ag are configured as a cost-effective alternative for the SUS in the detection of the new Coronavirus. The strategy becomes economically favorable for the expansion of testing, combating the COVID-19 pandemic and reducing the impact on the local economy. However, studies are needed to validate the accuracy of the tests so that economic evaluations on the subject are more assertive.
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Affiliation(s)
- Vinicius Queiroz Miranda Cedro
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil.
| | - Stéfany de Lima Gomes
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil
| | - Ana Clara Correa Duarte Simões
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil
| | - Tatiana do Valle Lovato Sverzut
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil
| | - Keila Cristina Xavier Bertti
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil
| | - Marcelo Tadeu Tristão
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil
| | - Yuri Wanderley Cavalcanti
- Department of Clinical and Social Dentistry, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - João Victor Frazão Câmara
- Clinic of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University Hospital, Homburg/Saar, Germany
| | - Antonio Carlos Pereira
- Department of Community Dentistry, Piracicaba Dental School, Universidade Estadual de Campinas - UNICAMP, Piracicaba, SP, Brazil
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Rahmanzadeh F, Malekpour N, Faramarzi A, Yusefzadeh H. Cost-effectiveness analysis of diagnostic strategies for COVID-19 in Iran. BMC Health Serv Res 2023; 23:861. [PMID: 37580701 PMCID: PMC10426176 DOI: 10.1186/s12913-023-09868-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 07/31/2023] [Indexed: 08/16/2023] Open
Abstract
BACKGROUND Since 2020, COVID-19 has become a global public health issue and has caused problems worldwide. This infection can lead to a fever and respiratory problems. Asymptomatic carriers of the virus are a significant part of the spread of the disease, so early screening and diagnosis of suspected cases of COVID-19 are essential. Generally, standard diagnostic methods include lung imaging (CT), polymerase chain reaction (PCR), and corona antibody (IgM&IgG) testing. However, the costs of the above tests for the healthcare system cannot be ignored, and evaluating the incremental costs against the additional benefit is necessary. Therefore, this study aimed to determine the cost-effectiveness of diagnostic methods for COVID-19 patients. MATERIALS AND METHODS In this research, an economic evaluation analysis was conducted to reveal the cost-effectiveness of the diagnostic strategies for COVID-19 from the service provider's perspective. Basic information about the costs of CT, serology (IgG&IgM), and molecular (PCR) tests were collected from the Ministry of Health of Iran. The effectiveness data were calculated according to the sensitivity and specificity of the diagnostic tests for COVID-19. In this study, the incremental cost-effectiveness ratio (ICER) of the diagnostic strategies for COVID-19 was estimated, and the most cost-effective diagnostic strategy was determined. In calculating ICER and analyzing the sensitivity of the results, Treeage software was used. RESULTS According to the calculated incremental effectiveness cost ratio for scenarios with 5, 10, and 50% prevalence of COVID-19 and according to the threshold defined by the World Health Organization, in the study, PCR, PCR, and IgG&IgM strategies are the most cost-effective diagnostic methods of the corona. Also, the results were not sensitive to the desired parameters based on the results of one-way sensitivity analysis. CONCLUSION Nowadays there are various tests with different levels of accuracy in the diagnosis of COVID-19. In general, PCR tests are more cost-effective for low prevalence of Covid-19, while IgM&IgG tests are more cost-effective for high estimated prevalence. The results of this research can help policymakers and health system managers to validate the most accurate diagnostic method for COVID-19, considering the prevalence of the disease.
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Affiliation(s)
- F Rahmanzadeh
- Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran
| | - N Malekpour
- Health Education Department, Urmia University of Medical Sciences, Health deputy, Urmia, Iran
| | - A Faramarzi
- Department of Health Economics and Management, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran
| | - H Yusefzadeh
- Department of Health Economics and Management, School of Public Health, Urmia University of Medical Sciences, Urmia, Iran.
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Response to the Letter to the Editor: "COVID-19 Infection Risk, Elective Arthroplasty and Surgical Complications, and COVID-19 Vaccination: Correspondence". Arthroplast Today 2023; 19:101063. [PMID: 36349198 PMCID: PMC9633620 DOI: 10.1016/j.artd.2022.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
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