| Visualizing a Macromolecular Phase Transition by Macroscopic Reaction-Diffusion Patterns | ||
| Marcin Fialkowski1, Agnieszka Bitner2, Stoyan K. Smoukov2, Christopher J. Campbell2 and Bartosz A. Grzybowski2, (1)Chemical & Biological Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL 60208, (2)Dept of Chemical and Biological Engineering, Northwestern University, 2145 Sheridan Rd/TechE136, Evanston, IL 60208 we have described a model chemical system, which by virtue of the imposed microgeometry autonomously detects a macromolecular phase transition occurring in a thin film, and reports it in a visual form of color patterns. We suggest that micronetwork RD systems similar to the one described here might be useful in rapid assessment of absorptivities of other materials – likely, using different indicator/ink pairs and possibly with different solvents12. Finally, we believe that this work will stimulate new theoretical research on RD processes coupled by mass transfer and occurring in complex microgeometries. Extended Abstract Status: Not Uploaded | ||