10-Acetyl-3,7-dihydroxyphenoxazine (ADHP), also known as Amplex Red or Ampliflu Red, is not only a sensitive and stable fluorogenic substrate for horseradish peroxidase (HRP), it is an ultrasensitive probe for H<sub>2</sub>O<sub>2</sub>.
10-Acetyl-3,7-dihydroxyphenoxazine (ADHP), also known as Amplex Red or Ampliflu Red, is not only a sensitive and stable fluorogenic substrate for horseradish peroxidase (HRP), it is an ultrasensitive probe for H<sub>2</sub>O<sub>2</sub>.