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Open research questions in Advanced Fluorescence Microscopy Techniques

66 unresolved questions extracted from the limitations and future-work sections of 256 Advanced Fluorescence Microscopy Techniques papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • One challenge is the high cost and limited adaptability of current tracking microscopes. Another challenge is the need for specialized hardware and software for tracking small model animals.

    A modular multi-color fluorescence microscope for simultaneous tracking of cellular activity and behavior · 2026 · DOI

  • Future research can focus on adapting the microscope for use in various experimental setups. The system can be improved by increasing its scalability and adaptability.

    A modular multi-color fluorescence microscope for simultaneous tracking of cellular activity and behavior · 2026 · DOI

  • Integration of the Mesolens with complementary technologies, such as multi-scale spatial transcriptomics and highly multiplexed fluorescence labelling. Development of label-free modalities, such as quantitative phase imaging. Use of computation, including AI-driven analysis and smart microscopy approaches.

    Mesolens imaging in microbiology · 2026 · DOI

  • The trade-off between resolution and field of view in traditional optical microscopes limits the ability to visualize spatial heterogeneity, microbial interaction, and rare events in intact specimens. There is a need for a microscope that can combine low magnification with high numerical aperture to deliver sub-micron resolution across multi-millimetre fields of view.

    Mesolens imaging in microbiology · 2026 · DOI

  • The need for a compact multi-resolution LSFM platform for rapid histomorphologic assessment. The limitation of existing LSFM systems in achieving both high resolution and high throughput.

    Dual-Scale and Dual-Channel Oblique Plane Microscopy for Multi-Resolution Imaging of Large Tissue Specimens · 2026 · DOI

  • Further studies and analyses can be conducted using the introduced methodology. The technology can be used to study fluid dynamics on a microscopic scale. The measurements can be conducted with a high spatial resolution with a submicron pixel pitch.

    Experimental studies on microscopic, multiphase transport phenomena: Novel applications of light sheet fluorescence microscopy · 2026 · DOI

  • There are many well-established experimental methods to study multiphase transport phenomena on a macroscopic scale. Fundamental studies on the governing transport phenomena are needed. The mass transfer of the gaseous phase to the liquid is crucial for the process efficiency.

    Experimental studies on microscopic, multiphase transport phenomena: Novel applications of light sheet fluorescence microscopy · 2026 · DOI

  • Further development of MOSAIC to improve its ease of use and accessibility. Exploration of new applications for MOSAIC in fields such as neuroscience and cell biology.

    A multimodal adaptive optical microscope for in vivo imaging from molecules to organisms · 2026 · DOI

  • Prior microscopes lack versatility due to inherent optical and sample handling tradeoffs. Prior microscopes suffer performance degradation from sample-induced optical aberrations.

    A multimodal adaptive optical microscope for in vivo imaging from molecules to organisms · 2026 · DOI

  • Slow acquisition speed. Susceptibility to photobleaching and phototoxicity. Limited compatibility with large or irregularly shaped biological samples.

    Single-objective two-photon oblique light sheet microscopy with a low repetition rate for 3D high-SNR imaging · 2026 · DOI

  • Limited penetration depth of optical imaging and μUS systems. Limited soft tissue contrast of μBT systems. Use of ionizing radiation in μBT systems.

    Preclinical Molecular Imaging Systems: Technological Advances and Their Current Role in Translational Medicine · 2026 · DOI

  • Limited temporal resolution of existing micro-and nanoscale sensing technologies, - Dependence on fluorescent labeling, - Invasive measurement protocols

    An integrated nanophotonic SPRM microsystem for real-time, label-free quantification of single-cell adhesion dynamics · 2026 · DOI

  • Conventional raster-scanning approaches, including confocal microscopy, are fundamentally limited by their slow frame rates, precluding the capture of rapid neuronal events from multiple neurons simultaneously.

    Methods, trade-offs and opportunities in high-speed optical microscopy for neural voltage imaging · 2026 · DOI

  • Further development of strategies for modulating, visualizing, and quantifying phosphoinositide pools. Investigation of the role of phosphoinositides in various cellular processes. Development of new therapeutic strategies for diseases associated with dysregulation of phosphoinositide metabolism.

    Approaches to visualize, quantify, and manipulate phosphoinositides in cells · 2026 · DOI

  • The lack of bright and monomeric fluorescent proteins for advanced imaging applications. The limitations of currently available fluorescent proteins, such as oligomerization.

    <b>Monomerizing the ultrabright AausFP1 yields mBiyu for advanced imaging across challenging bacterial and mammalian</b><b> cells</b> · 2026 · DOI

  • Conventional multiobjective lens configurations limit compatibility with large or irregularly shaped biological samples. Conventional TP-LSM approaches have several key limitations.

    Single-objective two-photon oblique light sheet microscopy with a low repetition rate for 3D high-SNR imaging · 2026 · DOI

  • Although metabolic imaging is increasingly combined with fluorescent protein (FP) reporters to enhance biological specificity, the potential cross-talk between the intrinsic and extrinsic labels remain ill-defined.

    Bright Probes, Blurred Metabolism: Navigating Fluorescent Protein Cross-Excitation in NADH FLIM · 2026 · DOI

  • The study had a limited number of fields of view, as tiling procedures are typically not implemented in endoscopes. The recognition of cells and identification of blood vessels can be difficult in small fields of view.

    Label-free multiphoton microscopy for intraoperative identification of glioma features and tumor heterogeneity · 2026 · DOI

  • There is a need for intraoperative methods to identify glioma features and tumor heterogeneity. Current methods rely on histopathological and molecular analysis of resected tissue samples, which is inherently retrospective.

    Label-free multiphoton microscopy for intraoperative identification of glioma features and tumor heterogeneity · 2026 · DOI

  • Conventional methods struggle to classify single-fluorophore signals due to similar intensity profiles. There is a need for advanced deep-learning methods to classify these signals.

    smDeepFLUOR: single-molecule deep learning fluorescence classification · 2026 · DOI

  • Current molecular techniques lack spatial resolution and often require amplification or labeling. Advanced microscopy methods have trade-offs such as labelling procedures and limited spatial resolution.

    Quantitative EUV ptychography reveals nanoscale morphological responses of bacteria under physiological and antibiotic stress · 2026 · DOI

  • Current spatial proteomics methods lack the imaging resolution required to resolve nanoscale tissue architecture or achieve only limited proteome coverage. There is a need for a technique that integrates super-resolution imaging with spatial proteomics.

    Super-Resolution Visual ProteomEx for Hard Tissues and Clinical Samples · 2026 · DOI

  • Fluorescence-based approaches have limitations for large-scale imaging, including photobleaching and signal variability. There is a need for alternative contrast mechanisms for large-scale imaging.

    Genetically Encoded Melanin as a Photostable Scattering Contrast for Whole-Brain Tomography · 2026 · DOI

  • There is a need to assess the reproducibility of 3D spheroid-based assays across multiple sites. The use of dual-view oblique plane microscopy and a 3D analysis pipeline is a relatively new approach.

    Multi-Site Reproducibility Study of 3D High-Content Analysis with Dual-View Oblique Plane Microscopy · 2026 · DOI

  • Further development of the mesoSPIM-ultra platform for improved scalability and accessibility. Application of the platform to investigate other complex biological systems. Integration of the mesoSPIM-ultra platform with other imaging modalities.

    A uniform tissue-clearing framework and mesoSPIM-ultra enable cm-scale single-neuron tracing · 2026 · DOI

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66 open questions have been extracted from the limitations and future-work passages of 256 Advanced Fluorescence Microscopy Techniques papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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