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PHOTOACOUSTIC MICROSCOPY

Imaging intratumoral metabolic heterogeneity

The oxygen consumption rates of single tumour cells can be measured via photoacoustic microscopy, by leveraging haemoglobin as both an oxygen supplier and an oxygen sensor.

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Fig. 1: Photoacoustic microscopy quantifies single-cell oxygen consumption in microwell arrays.

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Correspondence to Melissa C. Skala.

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Walsh, A.J., Sharick, J.T. & Skala, M.C. Imaging intratumoral metabolic heterogeneity. Nat Biomed Eng 3, 333–334 (2019). https://doi.org/10.1038/s41551-019-0398-z

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