DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Park, Hyun-Gyu | - |
dc.contributor.advisor | 박현규 | - |
dc.contributor.author | Li, Tai-Hua | - |
dc.contributor.author | 이태화 | - |
dc.date.accessioned | 2011-12-13T01:54:12Z | - |
dc.date.available | 2011-12-13T01:54:12Z | - |
dc.date.issued | 2005 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=243658&flag=dissertation | - |
dc.identifier.uri | http://hdl.handle.net/10203/29847 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 생명화학공학과, 2005.2, [ iii, 27 p. ] | - |
dc.description.abstract | Chiral biomolecules conjugated with silver nanoparticles were investigated by circular dichroism (CD) spectrophotometer. Silver nanoparticles were prepared by citrate reduction method and gamma-irradiation method, and were characterized by Ultraviolet (UV)-visible spectrophotometer, X-ray diffractometer (XRD) and transmission electron microscopy (TEM). Conjugation of thiol group-containing biomolecules, such as cysteine, glutathione, and penicillamine, with silver nanoparticles resulted in the generation of new characteristic CD signals in the region of 240-400 nm, whereas no CD signal changes were found with lysine or glutamine. Association through hydrogen bonding among the biomolecules is considered to be essential for the CD signal generation, which was confirmed by the experiment with cysteine methyl ester. The chiral biomolecules (such as cysteine)-capped silver nanoparticles were also characterized by UV-vis spectrophotometer, XRD and Fourier-Transform Infra-Red (FT-IR). Interestingly, gold nanoparticles were not found to generate CD signals in the wavelength region tested, indicating that this phenomenon is a unique feature of silver nanoparticles, distinguished from gold nanoparticles. | eng |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | Silver nanoparticles | - |
dc.subject | Circular dichroism (CD) spectroscopy | - |
dc.subject | Chiral biomolecule | - |
dc.subject | 키랄성 바이오물질 | - |
dc.subject | 은 나노입자 | - |
dc.subject | 원평광 이색성 분광법 | - |
dc.title | Circular dichroism study of chiral biomolecules conjugated with silver nanoparticles | - |
dc.title.alternative | 은 나노입자를 이용하여 키랄성 바이오물질을 원평광 이색성 분광법으로 분석하는 방법 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 243658/325007 | - |
dc.description.department | 한국과학기술원 : 생명화학공학과, | - |
dc.identifier.uid | 020034307 | - |
dc.contributor.localauthor | Park, Hyun-Gyu | - |
dc.contributor.localauthor | 박현규 | - |
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