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Bismuth nanocolloid or BIR refers to organic bismuth encapsulated in phospholipid core for use as a contrast agent. The Ocean Nano Tech’s bismuth nanocolloid (BIR) can be used as a contrast agent for imaging modalities like Spectral computed tomography (CT), CT and X-ray. The BIR offers higher content of bismuth per nanocolloid due to our unique preparation method. This nanocolloid is compatible with various buffers and cell culture media given on the Table below. The zeta potential of plain BIR is around -20- -30 mV indicating good colloidal stability.
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