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  • Title: Screening of protein crystallization conditions on a microfluidic chip using nanoliter-size droplets.
    Author: Zheng B, Roach LS, Ismagilov RF.
    Journal: J Am Chem Soc; 2003 Sep 17; 125(37):11170-1. PubMed ID: 16220918.
    Abstract:
    Protein crystallization is a major bottleneck in determining tertiary protein structures from genomic sequence data. This paper describes a microfluidic system for screening hundreds of protein crystallization conditions using less than 4 nL of protein solution for each crystallization droplet. The droplets are formed by mixing protein, precipitant, and additive stock solutions in variable ratios in a flow of water-immiscible fluids inside microchannels. Each droplet represents a discrete trial testing different conditions. The system has been validated by crystallization of several water-soluble proteins.
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