Files in this Data Supplement:

• Supplemental file 1 - Figures S1—S7: representative confocal images of 24-h E. coli DH5α biofilms on patterned SAMs (Fig. S1); growth curves of E. coli DH5α in LB medium supplemented with TEG at different concentrations (Fig. S2); representative confocal image of a 7-day biofilm of E. coli DH5α on microcontact-printed HS(CH₂)₁₄CH₃ pattern with HS(CH₂)₁₁(OCH₂CH₂)₃OH background (Fig. S3); chemotaxis of E. coli RP437 in response to TEG (Fig. S4); confocal images showing E. coli DH5α cells attached to a bare gold surface and to a surface modified with TEG-terminated SAM (Fig. S5); confocal images showing initial attachment of E. coli RP437 to bare gold surfaces and to surfaces modified with TEG-terminated SAMs (Fig. S6); and confocal image showing defects in RP5700 biofilm formation (Fig. S7).
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