New portable, battery-operated biosensing device for rapid detection of Mycobacterium in hemodialysis water

We are pleased to announce the publication of a groundbreaking study in Sensors & Actuators: B. Chemical, detailing a novel method for detecting Mycobacterium fortuitum in hemodialysis water. This research introduces a portable biosensing device that combines filtration, immunomagnetic separation, and electrochemical readout to detect Mycobacterium quickly and efficiently.

Highlights of the Study

  • Innovative Detection Method: The study presents a new approach that simplifies the traditional, time-consuming process of Mycobacterium detection. By integrating filtration and immunomagnetic separation directly on a filter, this method enhances the speed and sensitivity of pathogen detection.
  • Portable Biosensing Device: The electrochemical readout is executed using a handheld device, making it suitable for on-site testing in various healthcare settings, particularly where rapid diagnosis is crucial.
  • Exceptional Sensitivity: With an outstanding limit of detection at 5 CFU/mL, this new method processes large water samples of up to 100 mL, providing results in significantly less time compared to conventional methods.

Significance for Healthcare Settings
This development is particularly crucial in healthcare environments like dialysis centers, where Mycobacterium contamination in water sources can pose serious health risks to immunocompromised patients. The ability to conduct rapid and effective testing at the point of care can greatly enhance patient safety and infection control practices.

Certainly! Here’s an additional paragraph to include information about the availability of the dataset used in the study:

The full study is available here, providing an in-depth look at the methodology and potential applications of this promising new technology. For more information, please contact the corresponding author, Dr. María Isabel Pividori, at Isabel.Pividori@uab.cat.


The datasets supporting the findings of the research, are available for public access. Interested researchers and practitioners can access the experimental data from 2024, under the DOI 10.34810/DATA1016.


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