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  • 02월 22일 16시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Preparation of multi-dimensional microchannel using single strp photolithography and application to DNA CE module

등록일
2008년 2월 14일 12시 07분 56초
접수번호
1356
발표코드
30P244포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
목 <발표Ⅰ>
발표형식
포스터
발표분야
분석화학
저자 및
공동저자
윤태호, 김동표1
충남대학교 정밀공업화학과,
1충남대학교 공업화학과,
We developed simple photolithography with UV overexposure for the fabrication of multi-dimensional microchannels by single process. The degree of overexposure is determined by the amount of UV dosage which is incident on the mask. However, the photoresist was under the shadow part of the photomask, which was partially cured by the scattering of UV light and diffusion of over generated radicals in the photoresist and formed narrow bottle neck structure. By these narrow parts through channel, hindrance effect made a difference of velocity of DNA which contained different base fair numbers. When the electric field was formed through the channel, small size of DNA was moved faster than that of heavier DNA. The series of inter-connected hemisphere structures are very useful for the separation of biomolecules owing hindrance effect, and mixing of reactants through the microchannel which has low Reynolds number.

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