| 학회 |
한국화학공학회 |
| 학술대회 |
2013년 봄 (04/24 ~ 04/26, 광주 김대중컨벤션센터) |
| 권호 |
19권 1호, p.385 |
| 발표분야 |
생물화공 |
| 제목 |
Biogenic TiO2 Particle: comparison of cell growth and cell rigidity between two marine diatom species |
| 초록 |
Diatoms are unicellular photosynthetic eukaryotes, within Bacillariophyceae class in the Heterokont division, whose peculiarity is presence of silious cell wall and two dimensional pore arrays. Living diatoms themself metabolically insert nano-structured titanium dioxide into their surfaces. Navicula sp. (#1271) and Calonies schroederi form Korean culture bank (KMMCC) were cultured in natural sea water supplemented with f/2 nutrients in the photo-bioreactor. A two-stage photo-bioreactor was used controlled incorporation of titanium into the silica frustule. In stage I, diatom cells grown up in dissolved silicon until silicon starvation. In stage II, soluble titanium and silicon were continuously fed to the silicon starved cell suspension while the titanium was taken up. Analysis and comparison of SEM images of both species after SDS treatment showed that frustle of Calonies schroederi is stronger than that of Navicula sp.. Hence, Calonies schroederi is more preferred candidate for biologically TiO2-insertion study. |
| 저자 |
백승필, Shipra Kumari, Bashistha Kumar Kanth, 여기백, 장의경, 유영하, 민기하, 기미란
|
| 소속 |
고려대 |
| 키워드 |
Diatom; TiO2; Biogenic
|
| E-Mail |
|
| 원문파일 |
초록 보기 |
