The best and proving it every day

Sheffield Hy-Express Systems

Providing Total Nitrogen Source Solutions

Sheffield Bio-Science is the 1# supplier of refined complex nitrogen sources into the production media of microbial biopharmaceuticals. We are the only supplier that manufacturers both yeast extracts and peptones which allows us to supply nitrogen source solutions optimized for specific microbial applications including expression of recombinant products. 

Our expert application teams have designed Hy-Express total nitrogen systems optimized for specific biopharmaceutical media production, classical fermentation applications and diagnostic media. Hy-Express Systems are animal-component-free (ACF) and significantly outperforms the traditional casein and non-animal products currently in the market. 

Advantages 

  • Good Reproducibility 
  • High expression levels and good growth 
  • Completely non-animal 
  • No glucose inhibition
    • For expression systems with ITPG induction) 
     
 
Eli col plate 

Arrow   Sheffield Hy-Express Systems I and II  

Arrow   Sheffield Hy-Express Peptone I