o-Phenylenediamine Free Base is a peroxidase substrate suitable for use in ELISA procedures. The substrate produces a soluble end product that is orange-brown in color and can be read spectrophotometrically at 450 nm. The OPD reaction may be stopped with 3 N HCl or 3 M H 2 SO 4 and read at 492 nm.
If a person is issued a ticket for an accident in Minnesota, it  will stay on his or her driving record for five years. However, if  the accident was alcohol related, depend â¦ ing on the charge, it can  stay longer. 1 person found this useful.
RE: How long does a speeding ticket stay on your driving record. 5 over in a 70mph zone (no points)? I got the ticket in Lathrup Village, Michigan...Southfield District Court. I couldn&#39;t get a straight answer from the officer as to how long this will show on my record.eport Abuse. You will need to check with your state's DMV. In Florida, infractions, civil and criminal, remain on a driving record for 75 years. A lifetime driving record can even show what state a previous license was issued for the license holder.