{"quality_controlled":"1","title":"Multicolour micropatterning of thin films of dry gels","status":"public","oa_version":"None","date_created":"2023-08-01T10:39:23Z","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publisher":"Springer Nature","scopus_import":"1","extern":"1","date_published":"2004-09-19T00:00:00Z","publication_status":"published","abstract":[{"lang":"eng","text":"Micropatterning of surfaces with several chemicals at different spatial locations usually requires multiple stamping and registration steps. Here, we describe an experimental method based on reaction–diffusion phenomena that allows for simultaneous micropatterning of a substrate with several coloured chemicals. In this method, called wet stamping (WETS), aqueous solutions of two or more inorganic salts are delivered onto a film of dry, ionically doped gelatin from an agarose stamp patterned in bas relief. Once in conformal contact, these salts diffuse into the gelatin, where they react to give deeply coloured precipitates. Separation of colours in the plane of the surface is the consequence of the differences in the diffusion coefficients, the solubility products, and the amounts of different salts delivered from the stamp, and is faithfully reproduced by a theoretical model based on a system of reaction–diffusion partial differential equations. The multicolour micropatterns are useful as non-binary optical elements, and could potentially form the basis of new applications in microseparations and in controlled delivery."}],"type":"journal_article","day":"19","month":"09","article_processing_charge":"No","pmid":1,"date_updated":"2023-08-08T12:42:51Z","keyword":["Mechanical Engineering","Mechanics of Materials","Condensed Matter Physics","General Materials Science","General Chemistry"],"intvolume":"         3","volume":3,"year":"2004","citation":{"mla":"Klajn, Rafal, et al. “Multicolour Micropatterning of Thin Films of Dry Gels.” <i>Nature Materials</i>, vol. 3, Springer Nature, 2004, pp. 729–35, doi:<a href=\"https://doi.org/10.1038/nmat1231\">10.1038/nmat1231</a>.","ieee":"R. Klajn <i>et al.</i>, “Multicolour micropatterning of thin films of dry gels,” <i>Nature Materials</i>, vol. 3. Springer Nature, pp. 729–735, 2004.","ista":"Klajn R, Fialkowski M, Bensemann IT, Bitner A, Campbell CJ, Bishop K, Smoukov S, Grzybowski BA. 2004. Multicolour micropatterning of thin films of dry gels. Nature Materials. 3, 729–735.","chicago":"Klajn, Rafal, Marcin Fialkowski, Igor T. Bensemann, Agnieszka Bitner, C. J. Campbell, Kyle Bishop, Stoyan Smoukov, and Bartosz A. Grzybowski. “Multicolour Micropatterning of Thin Films of Dry Gels.” <i>Nature Materials</i>. Springer Nature, 2004. <a href=\"https://doi.org/10.1038/nmat1231\">https://doi.org/10.1038/nmat1231</a>.","apa":"Klajn, R., Fialkowski, M., Bensemann, I. T., Bitner, A., Campbell, C. J., Bishop, K., … Grzybowski, B. A. (2004). Multicolour micropatterning of thin films of dry gels. <i>Nature Materials</i>. Springer Nature. <a href=\"https://doi.org/10.1038/nmat1231\">https://doi.org/10.1038/nmat1231</a>","ama":"Klajn R, Fialkowski M, Bensemann IT, et al. Multicolour micropatterning of thin films of dry gels. <i>Nature Materials</i>. 2004;3:729-735. doi:<a href=\"https://doi.org/10.1038/nmat1231\">10.1038/nmat1231</a>","short":"R. Klajn, M. Fialkowski, I.T. Bensemann, A. Bitner, C.J. Campbell, K. Bishop, S. Smoukov, B.A. Grzybowski, Nature Materials 3 (2004) 729–735."},"article_type":"original","language":[{"iso":"eng"}],"_id":"13435","doi":"10.1038/nmat1231","page":"729-735","publication":"Nature Materials","author":[{"full_name":"Klajn, Rafal","id":"8e84690e-1e48-11ed-a02b-a1e6fb8bb53b","first_name":"Rafal","last_name":"Klajn"},{"last_name":"Fialkowski","first_name":"Marcin","full_name":"Fialkowski, Marcin"},{"last_name":"Bensemann","first_name":"Igor T.","full_name":"Bensemann, Igor T."},{"full_name":"Bitner, Agnieszka","first_name":"Agnieszka","last_name":"Bitner"},{"full_name":"Campbell, C. J.","last_name":"Campbell","first_name":"C. J."},{"first_name":"Kyle","last_name":"Bishop","full_name":"Bishop, Kyle"},{"full_name":"Smoukov, Stoyan","last_name":"Smoukov","first_name":"Stoyan"},{"last_name":"Grzybowski","first_name":"Bartosz A.","full_name":"Grzybowski, Bartosz A."}],"external_id":{"pmid":["15378052"]},"publication_identifier":{"eissn":["1476-4660"],"issn":["1476-1122"]}}