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Indocyanine green (ICG) is a cyanine dye used in medical diagnosis. It is used to determine cardiac output,liver function,and hepatic blood flow,as well as for ophthalmic angiography. It has a peak spectral absorption close to 800 nm. These infrared frequencies penetrate the retinal layer,allowing ICG angiography to image a deeper circulation pattern than fluorescein angiography. This ICG acid can be used to modify molecules containing amino groups.
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SUNLONG BIOTECH

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