This proof of concept demonstrates the high sensitivity and sub-molecular resolution of quantum electrochemical spectroscopy. By accurately detecting 2 analogues of insulin, we far-exceed the specificity of existing assays typically limited by mutual interferences. This is particularly relevant to QC flows in drugs and biologics manufacturing.
- Mixture samples of Toujeo (insulin-glargine) and Humalog (Insulin-lispro)
- Analogues differing by 3 amino-acid groups and their position
- 100% sensitivity down to 25ag/mL
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