| 학회 | 한국재료학회 |
| 학술대회 | 2010년 가을 (11/11 ~ 11/12, 무주리조트) |
| 권호 | 16권 2호 |
| 발표분야 | A. Information and Sensor Materials(정보소재 및 센서) |
| 제목 | Arrays of nanorings for Digital Microtag Detection in Suspension Assay Technology |
| 초록 | Magnetic ring sensor has useful abilities of digital detection, shape matching, etc. So it is very promising magnetic field sensor for application of real-time microtag detection in suspension bioassay technology. It has been found that narrow ferromagnetic ring structures exhibit two different stable polarized states, i.e., the onion state, in which the field lines are split around the centre in opposite directions with head-to-head and tail-to-tail domain walls on opposite sides, and the vortex state, in which the field lines encircle the centre and flux closure. However, the reliable and cost-effective fabrication of nanoring structures with variable thickness or small notches for memory and sensor applications remains a technological challenge; better fabrication techniques than time-consuming and expensive e-beam lithography are required. In this study, we demonstrated that capillary force lithography (CFL) using polydimethylsiloxane (PDMS) stamp with either elliptic hole or antihole arrays and subsequent reactive ion etching (RIE) could produce polymeric elliptic ring arrays with distinctively different geometric features. |
| 저자 | S. Kim1, J.-H. Jeong2, Vo-Thanh Son3, B.-G. Jeon4, S.-Y. Lee1, S.-M. Yang2, C. Kim3, J.-R. Jeong4 |
| 소속 | 1Nanomechanical System Research Center, 2Korea Institute of Machinery and Materials, 3Daejeon 305-343, 4Korea |
| 키워드 | biosensor; nanoring; digital microtag |
