Biosensing for rapid detection of MDR, XDR and PDR bacteria
Abstract
The emergence of multidrug-resistant (MDR), extensively drug-resistant (XDR), and pandrug-resistant (PDR) bacteria poses a significant threat to global public health, complicating the management of infectious diseases and increasing morbidity and mortality rates. Rapid and sensitive detection of these resistant pathogens is crucial for effective treatment and infection control. This manuscript provides a comprehensive overview of various biosensor technologies developed for the rapid identification and quantification of MDR and XDR bacteria. We discuss the principles of operation, sensitivity, specificity, and practical applications of different biosensing platforms, including electrochemical, optical, and piezoelectric sensors. Additionally, we explore recent advancements in nanomaterials and microfluidics that enhance biosensor performance and enable point-of-care testing. The manuscript also addresses the challenges faced in the implementation of these technologies in clinical settings, such as regulatory hurdles and the need for standardization. A systematic literature review was conducted to identify relevant studies. Databases utilized include PubMed and Scopus, covering the time frame from 2015 to 2024. The literature screening criteria focused on the inclusion of only clinically validated studies to ensure the reliability and applicability of the findings. By highlighting the potential of biosensors to revolutionize the detection of drug-resistant bacteria, this work…
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