Some examples of substrates used (also known as chromogens) are AEC (3-Amino-9-EthylCarbazole), or DAB (3,3'-Diaminobenzidine). Use of one of these reagents after exposure to the necessary enzyme (e.g., horseradish peroxidase conjugated to an antibody reagent) produces a positive immunoreaction product.
1. Know When You Ovulate after Childbirth. Most women experience an extended period of bleeding immediately after giving birth. The bleeding will get lighter and lighter, lasting about six weeks. It is extremely unlikely that a woman will become pregnant during this time, although it is not impossible.
Hi, A rabbit will often give birth to all her babies in about 20 minutes. If she is still having contractions after several hours, there is most likely a problem.On rare occasions, a doe will get pregnant at two different breedings.i, A rabbit will often give birth to all her babies in about 20 minutes. If she is still having contractions after several hours, there is most likely a problem.