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Metabolic Imaging Group & Laboratory of Biophysics and Bioanalysis can be found on Twitter now!
Make sure to follow our channel @PhotoBioLab to stay informed about our latest accomplishments!

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Affordable microscopy of spheroid oxygenation (video protocol)

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Our lab has published a new protocol paper, this time with the video, in the Journal of Visualized Experiments (JoVE)! In this research method paper, we report the use of red/ near-infrared emitting biocompatible nanosensors to monitor oxygenation of the live multicellular spheroids (made of one or more cell types), together with the tracers of cell death. While this methodology is typically available only for users with 'high-end' PLIM microscopes and alike, we show that using of ratiometric readout with the red and near infrared emitting fluorescent nanosensors makes this possible on broadly available 'widefield' fluorescence microscope platforms. This method helps comparing oxygenation of spheroids, assessing this in a long-term and kinetic assays, comparing their variability and viability, essential in follow-up 3D printing applications. This is the first article in our collection ' Quantitative live cell imaging of 3D models' , guest-edited together with
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JoVE Methods collection: Quantitative live cell imaging of 3D models

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Together with Prof. Margarida Barroso (Albany Medical College), we guest edit a collection of video protocols, hosted by the Journal of Visualised Experiments ( JoVE ), and  dedicated to the quantitative live cell imaging in 3D .  We expect bringing together some leaders and innovators in various aspects of the quantitative live fluorescence microscopies applied to ex vivo animal models, organoids and 3D engineered tissue blocks. The collection, which just has been started, can be assessed here .
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