CSD-ISM

CSD-ISM enhances resolution and contrast of confocal spinning-disk microscopes by integrating image scanning microscopy (ISM) and structured illumination for high-resolution imaging of living cells.

Key Features:

• Resolution and contrast enhancement: Uses structured illumination and ISM to double spatial resolution and quadruple contrast relative to a standard confocal, with a theoretical hardware improvement factor of √2 (~1.41) and potential further gain up to twofold via deconvolution.
• Dynamic imaging capability: Supports imaging speeds of approximately 1 frame per second to capture fast biological events.
• FPGA-accelerated processing: Employs a field programmable gate array (FPGA) controlled through Micro-Manager to manage algorithmic computations, numerical workloads, hardware synchronization, and image reconstruction.
• Integration with confocal spinning-disk systems: Integrates ISM methods into confocal spinning-disk microscope configurations to enhance microscopy performance.

Scientific Applications:

• High-resolution live-cell imaging: Enables detailed imaging of living cells to resolve subcellular structures at improved spatial resolution and contrast.
• Dynamic cellular process observation: Facilitates capture of fast biological processes, such as rapid trafficking events, at near-real-time frame rates.
• Subcellular structure visualization: Suited for studying intracellular trafficking, organelle dynamics, and cell signaling pathways with enhanced structural detail.

Methodology:

Computational methods explicitly include structured illumination and ISM-based image formation, FPGA-accelerated processing via Micro-Manager for algorithmic computations, numerical workloads, hardware synchronization and image reconstruction, and optional deconvolution for further resolution improvement.