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Quantitative 3D Imaging of Living Organs-on-Chips with a High-Speed Point-Scanning Confocal System
Organs-on-chips more faithfully recapitulate the 3D architectural and functional complexity of native tissues compared to standard 2D tissue culture systems. Yet these advanced cell culture platforms present technical challenges for imaging-based applications. This Application Note demonstrates how the Nikon A1R HD25 confocal point-scanning system, CFI S Plan Fluor LWD 20XC objective and NIS-Elements software can enable rapid, deep, quantitative imaging of living cells in the Emulate Organ-Chip platform.
A1R HD25: the latest in resonant scanning technology allows new live-cell imaging approaches
Capturing the dynamics of living systems requires high acquisition rates. Large samples, such as whole model organisms, additionally require a large field of view. The Nikon A1R HD25 confocal system provides both, combining Nikon’s improved HD high speed resonant scanner with an unprecedented 25 mm field of view. The performance of this system is evaluated in zebrafish embryos.
Increasing Data Collection and Fidelity by Maximizing Confocal Field of View
For years, the field of view (FOV) of confocal systems has been limited by the FOV of the microscope they are attached to. With the release of the Nikon Ti2 inverted microscope, the world’s first 25-mm FOV became available. Now, Nikon has taken advantage of this improvement by building the largest FOV point scanner in the world, the A1 HD25. This Application Note focuses on the impact of this technology on simple, everyday experiments.
Reflectance imaging for visualization of unlabeled structures using Nikon A1 and N-SIM
Reflectance imaging allows the user to form an intensity image from light backscattered by the sample. Highly reflective markers, including a variety of nanoparticles, allows for imaging with very high signal-to-noise and virtually free of photobleaching, ideal for both confocal and structured illumination microscopies.