Indocyanine green (ICG) is a cyanine dye used in medical diagnostics. It is used for determining cardiac output, hepatic function, and liver blood flow, and for ophthalmic angiography. It has a peak spectral absorption at about 800 nm. These infrared frequencies penetrate retinal layers, allowing ICG angiography to image deeper patterns of circulation than fluorescein angiography.
Rate of interest R = I / PT, where I is the interest, P is the principal amount, T is the interest period, and R is the rate of interest. Rate of interest can be annual, half yearly, or quarterly according to the deal made.
Coupon rate times the face value of debt.  Coupon rate is the interest rate stated in the note. Itâs used to. calculate interest payments.  Market rate of interest.  The rate of interest demanded in the market place given the. risk characteristics of a bond.  Can be higher or lower than the coupon rate.