By Volker A. Erdmann, Stefan Jurga, Jan Barciszewski (eds.)
The objective of molecular diagnostics is preferentially to discover a constructing disorder prior to any signs seem. there was an important raise, fueled by way of applied sciences from the human genome undertaking, within the availability of nucleic acid series info for all residing organisms together with micro organism and viruses. whilst mixed with a special kind of instrumentation utilized, the ensuing diagnostics is particular and delicate. Nucleic acid-based scientific analysis detects particular DNAs or RNAs from the infecting organism or virus and a selected gene or the expression of a gene linked to a ailment. Nucleic acid methods additionally stimulate a easy technological know-how by means of beginning strains of inquiry that may bring about higher figuring out of the molecules on the heart of existence. it is easy to stick to Richard Feynman’s well-known assertion “What i will not create, i don't understand.”
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Extra resources for RNA and DNA Diagnostics
Electrochemical RNA Sensors for Microorganism and Virus Detection . . . . . . . . . 1 Pathogen Detection Based on Ribosomal RNA as Target Molecule . . . . . . . . . 2 mRNA-Based Bacteria and Protozoa Detection . . . . . . . . . . . . . . . . . . . 3 Electrochemical Biosensors for RNA-Based Detection of Viruses . . . . . . . . . 5 Electrochemical Biosensors for Clinically Relevant Biomarker Detection .
However, detection of miRNA in real 36 C. P€ ohlmann and M. Sprinzl physiological samples has to be still demonstrated with this technique because the authors used for hybridization synthetic oligonucleotide models. One very early report of miRNA detection relying on miRNA labeling with electrocatalytic nanoparticle tags was described by Gao and Yang, already in 2006. After treatment of total RNA extracts with periodate, hybridization of periodatetreated miRNA with complementary capture oligonucleotides immobilized on an indium tin oxide electrode was performed.
22 23 23 24 24 30 32 33 33 35 40 41 41 Abstract Over the past few decades, it was demonstrated that RNA plays a central role for a wide range of functions in living cells through control of the gene expression. This chapter focuses on different electrochemical detection approaches of RNA with applications in clinical diagnostics as well as in food and environmental analysis. Electrochemical biochips are an emerging tool for point-of-care diagnostic systems due to their inherent high sensitivity along with cost and time effectiveness.