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4], and 100 mg of Plysurf A210G (a surfactant produced by Daiichi Kogyo Seiyaku, Japan) were dissolved in 10 mM potassium phosphate buffer (pH 8.
Tryptic soy broth was applied to the chips after they were rinsed with a potassium phosphate buffer (PPB, pH 7.
Reduced cytochrome c was prepared fresh on each day of analysis as follows: A 1 mmol/L solution was prepared in 20 mmol/L potassium phosphate buffer (pH 7.
We dissolved calf thymus DNA (500 [micro]g) in 10 mM potassium phosphate buffer (pH 7.