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Catalog Number: VPK-5003, VPK-5003-5
Measures the Hepatitis B “e” antigen (HBeAg) in purified virus or unpurified viral supernatant
Detection limit of approximately 150 pg/ml
HBeAg standard included
Video: Color Development in an ELISA
Catalog Number: MET-5136, MET-5137
Measure only free D-amino acids (except D-Glutamate and D-Aspartate); does not detect peptides or proteins
Detection sensitivity limit of 1.56 µM
Suitable for use with lysates, serum, plasma, urine, and food samples
D-Alanine standard included
Catalog Number: PRB-5210
Stabilizes and prevents aggregation of most enzymes and other proteins when compared to traditional methods such as glycerol.
The 10X Protein Stabilization Solution is nontoxic and can be removed by dialysis or desalting.