2I5N:
reference: Nanoliter microfluidic hybrid method for simultaneous screening and optimization validated with crystallization of membrane proteins., Li L, Mustafi D, Fu Q, Tereshko V, Chen DL, Tice JD, Ismagilov RF, Proc Natl Acad Sci U S A. 2006 Dec 19;103(51):19243-8. Epub 2006 Dec 11. PMID: 17159147

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