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Fiber Optic-Based Sensor Measures pH Levels in Cell-Growth Environments | Research & Technology | Dec 2019 | Photonics.com
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A broadband optical pH sensor using upconversion luminescence - Journal of Materials Chemistry C (RSC Publishing)
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Figure 4 from Disposable Fluorescence Optical pH Sensor for Near Neutral Solutions | Semantic Scholar
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An illustration of a pH sensor and optical detection system. Reproduced... | Download Scientific Diagram
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