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    Home > Medical News > Latest Medical News > Newly developed absorbable cardiac pacemakers and wearable nucleic acid biosensors

    Newly developed absorbable cardiac pacemakers and wearable nucleic acid biosensors

    • Last Update: 2021-07-29
    • Source: Internet
    • Author: User
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    The latest international development of absorbable cardiac pacemakers and wearable nucleic acid biosensors




    The latest international development of absorbable cardiac pacemakers and wearable nucleic acid biosensors The latest international development of absorbable cardiac pacemakers and wearable nucleic acid biosensors

     

    China News Service, Beijing, June 29 (Reporter Sun Zifa) Springer Nature’s professional academic journal "Nature-Biotechnology" recently published two research papers saying that researchers use biotechnology to develop absorbable and temporary , A pacemaker without batteries
    .
    In addition, in the field of synthetic biology, researchers have developed wearable nucleic acid biosensors for detecting pathogens

    .

    Researchers from Northwestern University in the United States have developed a fully implanted, thin and lightweight pacemaker for postoperative control of heart rate and heart rhythm
    .
    The device is powered by wireless energy transmission, achieving leadless and batteryless, and its components can be absorbed by the body through natural physiological processes after a programmable time frame

    .

    The flexibility of the newly developed pacemaker material allows the device to fit the curved surface of the heart and adapt to its movement
    .
    Tests have shown that the pacemaker can successfully pace human heart slices as well as the hearts of mice, rats, rabbits and dogs, and is completely decomposed after being implanted in rats for 3 months

    .

    The author of the paper said that such advances in this field will provide a safer solution for patients who need temporary postoperative pacing technology, and can help patients who need temporary support to maintain their heart rate to recover from cardiac surgery
    .

    The corresponding author of the second paper, James Collins of the Massachusetts Institute of Technology (James Collins) and his colleagues have produced a set of wearable, freeze-dried, cell-free synthetic biological sensors using CRISPR technology
    .
    These sensors are activated by rehydration and can detect the presence of virus-specific genetic material

    .

    Their research shows that the performance of these wearable sensors is consistent with laboratory test results that are regarded as the gold standard, and can be embedded in flexible substrates such as silicone rubber and silicon fabric for real-time and dynamic monitoring of target pathogen exposure
    .
    The technology can also be combined with masks to detect airborne bacterial or viral pathogens, including the new coronavirus (SARS-CoV-2), which can be used by grassroots medical staff and other people who are at higher risk of exposure to pathogens in the work environment

    .

    The author of the paper believes that the successful embedding of synthetic biological sensors in wearable fabrics is the first step to create multifunctional smart clothing, which is expected to achieve a wider range of applications such as biomedicine
    .
    (Finish)

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