Science Advances

Supplementary Materials

This PDF file includes:

  • Supplementary Results and Discussion
  • fig. S1. An example set of images from an optical microscope, an SEM, and an SEM with an EDS overlay of an assembled chain of patchy microcubes.
  • fig. S2. Example of the assembly of patchy microcubes under a uniform magnetic field.
  • fig. S3. Magnetic hysteresis curve of a collection of dried Co-coated patchy microcubes.
  • fig. S4. Calculation of the dipole-dipole interaction energy for patchy microcube doublets as a function of bending angle in the absence of an external magnetic field.
  • fig. S5. The kinetics of the self-reconfiguration of four particle clusters expressed by mean interparticle (≡ interdipolar) angle δ .
  • fig. S6. Chain reorientation techniques for reprogramming the relative sequence of a microbot assembly (BAABBA→ABB).
  • fig. S7. Chain reorientation technique to program the sequence of a microbot.
  • Legends for movies S1 to S6
  • References (34, 35)

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Other Supplementary Material for this manuscript includes the following:

  • movie S1 (.avi format). Magnetic field–driven actuation of an assembled chain.
  • movie S2 (.avi format). Self-folding and irreversible transition of assembled chains with sequences of AA, AAA, and AAAA.
  • movie S3 (.avi format). Reversible actuation of chains with sequences of ABBB, ABBA, and BBAA.
  • movie S4 (.avi format). Cell capture and transport by a microbot prototype.
  • movie S5 (.avi format). BAABBAABB chain conversion process.
  • movie S6 (.avi format). Programmed assembly of a chain with an ABBA sequence.

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