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Related Concept Videos

Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
3.1K

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Single-cell manipulation and DNA delivery technology using atomic force microscopy and nanoneedle.

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    Atomic force microscopy (AFM) nanoneedle technology enables precise DNA delivery into living cells. This method offers new opportunities for cellular studies and single-cell diagnostics.

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    Area of Science:

    • Biotechnology
    • Cell Biology
    • Nanotechnology

    Background:

    • Single-cell manipulation technologies are crucial for understanding cellular processes.
    • Atomic Force Microscopy (AFM) offers high-resolution visualization and probing capabilities.
    • Accessing the interior of living cells requires advanced techniques like nanoneedle technology.

    Purpose of the Study:

    • To review the development and application of nanoneedle technology for single-cell manipulation and DNA delivery.
    • To compare nanoneedle-based DNA delivery with other existing methods.
    • To outline the potential applications of nanoneedle technology in cellular studies and diagnostics.

    Main Methods:

    • Fabrication and characterization of nanoneedles.
    • Visualization of nanoneedle insertion into living cells.
    • DNA modification on the nanoneedle surface.
    • Comparison of nanoneedle delivery with lipofection and microinjection.

    Main Results:

    • Nanoneedle technology allows for high-resolution, spatial, and temporal access to the interior of living cells.
    • It enables efficient and specific introduction of DNA and other biomolecules into cells.
    • The invasiveness of nanoneedle insertion was evaluated.

    Conclusions:

    • Nanoneedle-based DNA delivery presents a novel approach for precise biomolecule introduction into living cells.
    • This technology holds significant potential for basic cellular research and clinical applications, including single-cell diagnostics.