Science Advances

Supplementary Materials

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  • fig. S1. 13C NMR spectra of polymers 3 and 4.
  • fig. S2. 1H NMR spectra of polymers 3 and 4.
  • fig. S3. Oil-in-water emulsion droplets stabilized by polymer 4.
  • fig. S4. Experimental setup for picking up HA NPs.
  • fig. S5. Control experiments using pH 7 water and droplets stabilized by polymer 6.
  • fig. S6. HA NP–coated silicon substrate before and after pickup in 0.1 M NaOH solution.
  • fig. S7. HA NP–coated Si substrate before and after rinsing with pH 4 HCl solution.
  • fig. S8. Picking up HA NPs using polymer 4 in Ca2+-rich solution.
  • fig. S9. Positive electrospray spectrum of an aqueous catechol/CaCl2 (1:1 molar ratio) mixture in MeOH/water (1:1).
  • fig. S10. Picking up HA NPs from PDMS substrate.
  • fig. S11. Picking up HA NPs from mica.
  • fig. S12. Picking up HA NPs from PET film.
  • fig. S13. Optical micrographs of HA NPs picked up by oil-in-water droplets stabilized by polymer 4 and dropped off on PDA-coated Si substrate taken under white light.
  • fig. S14. HA NPs picked up by oil-in-water droplets stabilized by polymer 4 and dropped off on PET film.

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