In ref (253), the 3D structure of the causative agent in SARS infection and the comprehensive information about the morphological surface of SARS-CoV was obtained. we discuss visualization and characterization tools that can potentially be used not only for sensing applications but also to assist in speeding up the drug finding and vaccine development process. Furthermore, we discuss the growing monitoring mechanism, namely wastewater-based epidemiology, for early warning of the outbreak, focusing on detectors for quick and on-site analysis of SARS-CoV2 in sewage. To conclude, we provide alternative insights into difficulties associated with the quick translation of sensing systems, policies, ethical issues, technology adoption, and an overall outlook of the role of the sensing systems in pandemics. proteinCprotein relationships where the glycoprotein spikes bind to the angiotensin-converting enzyme 2 (ACE2) within the cell surface.34 This attachment of the disease within the cell and further entry into the cell is assisted by protease enzyme called TMPRSS2. After the entry of the SARS-CoV2 disease into the cells, the RNA quickly translates into proteins, including the RNA synthesis in the cytoplasm by viral replication.31 Open in a separate window Number 1 Structural view of SARS-CoV2 virus and its surface protein. Reproduced with permission from ref (29) under a Creative Commons CC-BY license. Copyright 2020 StatPearls Publishing. Open in a separate window Number 2 5 UTR and 3 UTR and coding region of COVID-19, SARS-CoV and MERS-CoV. Reprinted with permission from ref (34). Copyright 2020 Elsevier. Current Detection and Tracing Mouse monoclonal to BMX Systems for COVID-19 Current detection for Doxycycline HCl COVID-19 is definitely primarily based within the combination of two or more techniques which include RT-PCR, chest X-ray, computed tomography (CT) scans, and the detection of some common biomarkers in the blood.35 These biomarker tests include identification of elevated levels of the C-reactive protein, low procalcitonin, low lymphocyte counts, and high concentration of interleukin 6 and interleukin 10. Details of reverse transcriptase polymerase chain reaction (RT-PCR), CT scans, biochemical assays, and the development of mobile phone-based digital contact tracing applications are discussed in the proceeding subsections. Molecular Method Reverse transcriptase quantitative polymerase chain reaction (RT-qPCR) is definitely a method used to detect the presence of nucleic acid-based genetic sequences from any organism, including viruses.36,37 To perform RT-qPCR for SARS-CoV2, first the biological fluid where the virus strains are present, upper and lower respiratory fluid, is collected. The collection of fluid is generally performed using nasopharyngeal and oropharyngeal swabs. 38 Then the collected fluid undergoes a number of filtration and separation methods to isolate the viral Doxycycline HCl RNA. Using Doxycycline HCl the reverse transcriptase enzyme, complementary viral DNA (cDNA) is definitely generated from your viral RNA. Specific regions of cDNA then undergo a polymerase chain reaction for amplification, where an additional DNA probe, designed to hybridize within a small part of the specific region of cDNA, is definitely incorporated to enable real-time detection of the amplification process. Traditionally, radioactive isotopes Doxycycline HCl were used as markers to target the specific nucleic acids, but more recently, Doxycycline HCl fluorescence tags (fluorophore and a quencher) are used on the DNA probe for the real-time detection.39 Essentially when the DNA polymerase enzyme is adding nucleotides to the specific part of the viral cDNA, it encounters the double-stranded DNA in its path (due to DNA probe) where the exonuclease activity of the polymerase enzyme separates the fluorophore and the quencher molecules to produce real-time detection of the viral cDNA. If the number of cDNA copies (proportional to the concentration of the disease) produced after transcription is definitely high, a large amount of fluorescence transmission is generated after few rounds of polymerase reaction, and if the system is calibrated.