http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
중성자 소각 산란(Small Angle Neutron Scattering)을 이용한 모델 고분자 미셀의 구조 분석
태기융,Tae, Gi-Yoong 한국진공학회 2005 Applied Science and Convergence Technology Vol.14 No.3
모델 고분자 미셀(서로 결합하거나, 결합하지 않는 두 경우)의 구조를 분석하기 위해 중성자 소각 산란(small angle neutron scattering)법을 이용하였다. 소수성 결합체의 응집수와 농도의 증가에 따른 정렬상태의 변화를 폴리에틸렌글라이콜(PEG, 6 K나 10 K고몰 분자량) 끝에 불화알킬그룹(pefluoroalkyl groups $(-(CH_2)_2C_OnF_{2n+1}$, (n = 6, 8,혹은 10)이 붙은 고분자용액을 이용하여 분석하였다. 결합체의 응집수는 소수성 말단기의 길이에 의해서만 주로 결정이 되고, 고분자의 농도나 온도에 의해 영향을 받지 않는다. 또한, 서로 결합하는 고분자 미셀과, 서로 결합하지 않는 고분자 미셀간에도 결합수에는 차이가 없다. 이러한 모델계는 농도가 증가함에 따라서 체심 입방구조로 정렬된다. Structure analysis of model polymeric micelles, both for non-asosciative and associative cases is done by small angle neutron scattering method. Aggregation number of the hydrophobic cores and the lyotropic ordering transitions of aqueous solutions of poly(ethylene glycol)(PEG) (6 K or 10 K g/mol) end-capped with perfluoroalkyl groups $(-(CH_2)_2C_OnF_{2n+1}$ (n =6,8, or 10) are characterized. Aggregation number is mainly determined by the hydrophobe end group only, and is insensitive to polymer concentration or temperature. Also, there is no difference between non-associative micelles and associative micelles in terms of aggregation number. The model systems order into a BCC structure with increasing concentration.
Some Biological Applications of Pluronic-Based Nanoreactor
Giyoong Tae(태기융) 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Nanoreactors with a nano-sized internal cavity can result in more efficient reactions by encapsulating and confining enzymes through increasing local concentration or binding interaction with reactants. Especially, the advantage of nanocarriers becomes apparent for cascade reactions. Pluronic-based nanocarriers have proper properties as a nanoreactor including easy and efficient loading of various enzymes and facile transport of small molecular weight molecules through them. Some biological applications of enzyme-loaded, Pluronic-based nanocarriers will be introduced.
Recent Advances in Cell surface Engineering Focused on Cell Therapy
김종철,태기융 대한화학회 2015 Bulletin of the Korean Chemical Society Vol.36 No.1
Revolutionary progress in stem cell research and the potential of stem cell-based therapeutics promote the translation of cell therapy. However, the therapeutic efficacy of cell therapy is still very low, mainly because of the insufficient homing and survival of the injected cells at the target site. Cell surface engineering is one of the solutions to increase the therapeutic efficacy of cell therapy. Cell surface engineering can modulate the cellular behavior for enhancing targeted delivery, cellular functions, organized structure, and immune evasion by chemical or physical modification of the cell surface. This review summarizes the recent studies in cell surface engineering focused on cell therapy.