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Graphene nanoplatelets can be spontaneously assembled into transparent and conductive ultrathin coatings on micropatterned surfaces or planar substrates via a convective Marangoni force in a highly controlled manner. Based on this versatile graphene assembled film preparation, a thin, stretchable and skin\u2010conformal sensor array (144 pixels) is fabricated having microtopography\u2010guided, graphene\u2010based, conductive patterns embedded without any complicated processes. The electrically controlled sensor array for mapping spatial distributions (144 pixels) shows high sensitivity (maximum gauge factor \u22481697), skin\u2010like stretchability (&lt;48%), high cyclic stability or durability (over 10<jats:sup>5<\/jats:sup> cycles), and the signal amplification (\u22485.25 times) via structure\u2010assisted intimate\u2010contacts between the device and rough skin. Furthermore, given the thin\u2010film programmable architecture and mechanical deformability of the sensor, a human skin\u2010conformal sensor is demonstrated with a wireless transmitter for expeditious diagnosis of cardiovascular and cardiac illnesses, which is capable of monitoring various amplified pulse\u2010waveforms and evolved into a mechanical\/thermal\u2010sensitive electric rubber\u2010balloon and an electronic blood\u2010vessel. The microtopography\u2010guided and self\u2010assembled conductive patterns offer highly promising methodology and tool for next\u2010generation biomedical devices and various flexible\/stretchable (wearable) devices.<\/jats:p>","DOI":"10.1002\/adma.201606453","type":"journal-article","created":{"date-parts":[[2017,3,29]],"date-time":"2017-03-29T07:23:36Z","timestamp":1490772216000},"source":"Crossref","is-referenced-by-count":120,"title":["Microtopography\u2010Guided Conductive Patterns of Liquid\u2010Driven Graphene Nanoplatelet Networks for Stretchable and Skin\u2010Conformal Sensor Array"],"prefix":"10.1002","volume":"29","author":[{"given":"Youngjin","family":"Park","sequence":"first","affiliation":[{"name":"School of Chemical Engineering Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jongwon","family":"Shim","sequence":"additional","affiliation":[{"name":"Department of Applied Chemistry Dongduk Women's University  Seoul 02748 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suyeon","family":"Jeong","sequence":"additional","affiliation":[{"name":"SKKU Advanced Institute of Nanotechnology Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gi\u2010Ra","family":"Yi","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Heeyeop","family":"Chae","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jong Wook","family":"Bae","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sang Ouk","family":"Kim","sequence":"additional","affiliation":[{"name":"National Creative Research Initiative Center for Multi\u2010Dimensional Directed Nanoscale Assembly Department of Materials Science and Engineering KI for the Nanocentury KAIST  Daejeon 34141 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Changhyun","family":"Pang","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"},{"name":"SKKU Advanced Institute of Nanotechnology Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"},{"name":"Samsung Advanced Institute of Health Science &amp; Technology Sungkyunkwan University (SKKU)  Suwon 440\u2010746 Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2017,3,29]]},"reference":[{"key":"e_1_2_4_1_1","doi-asserted-by":"publisher","DOI":"10.1038\/nature16521"},{"key":"e_1_2_4_2_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1206157"},{"key":"e_1_2_4_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat3380"},{"key":"e_1_2_4_4_1","doi-asserted-by":"publisher","DOI":"10.1038\/nmat4671"},{"key":"e_1_2_4_5_1","doi-asserted-by":"publisher","DOI":"10.1038\/nnano.2011.184"},{"key":"e_1_2_4_6_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.aaf8810"},{"key":"e_1_2_4_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201504245"},{"key":"e_1_2_4_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201403807"},{"key":"e_1_2_4_9_1","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms4329"},{"key":"e_1_2_4_10_1","first-page":"344","volume":"8","author":"Park J.","year":"2016","journal-title":"Sci. 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