respectively, to the original wavelength of 521 nm, display a linear relation in the range of 1 × 10−6–100 × 10−6 M cysteine and 5 × 10−6–200 × 10−6 M glutathione
respectively, to the original wavelength of 521 nm, display a linear relation in the range of 1 × 10−6–100 × 10−6 M cysteine and 5 × 10−6–200 × 10−6 M glutathione