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The Molecular Basis and Physiological Implications of Red Cell Deformability
Chien, Shu 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1991, 제 25권 제 2호 1 101-114 (14 pages)
gene or the cor- rected gen can be introduced into animals to produce transgenic mice for the investigation of the influence of such gene transfers on the induction or correction of deranged physi- ological functions(Jaenisch, 1988). Perform- ance of rheological test on such RBCs with controlled molecular modifications and con- duct of physiological... -
Effect of carbonization temperature on crystalline structure and properties of isotropic pitch-based carbon fiber
Jung Dam Kim, Jae-Seung Roh, Myung-Soo Kim 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 6 51-60 (10 pages)
a Cu-Kα radiation (λ=0.154056 nm) operated at 40 kV and 30 mA. For all the XRD spectra, a linear baseline correction was conducted, and the peak analysis was performed with the OriginLab Pro 8.5 (USA). The spectra were analyzed by curve-ftting the two Gaussian peaks using a deconvolution method around 43° and 50° shown in Fig. 1 [17]. The in-plane crystallite size (La) and the stacking... from 800 to 1200oC probably due to randomization through the process of gas evolution; however, structural ordering eventually occurred at around 1400oC. For the carbonized pitch powder without stabilization, structural ordering perpendicular to the graphene planes occurred at around 800?900oC indicating that oxygen was inserted during the stabilization process. Additionally, the shear stress that occurred during the melt-blowing process might interfere with the crystallization of the CPF. -
The effect of the spinning conditions on the structure of mesophase pitch-based carbon fibers by Taguchi method
Zhao Jiang, Ting Ouyang, Xiangdong Yao, Youqing Fei 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 11 89-98 (10 pages)
shear rate and capillary entry angle on fber properties. Proceedings of the 23rd Biennial Conference, State College, PA, 6D (1997). [35] Mitsoulis E, Hatzikiriakos SG. Bagley correction: the effect of contraction angle and its prediction. Rheol Acta, 42, 309 (2003). http://dx.doi.org/10.1007/s00397-003-0294-y. [36] Liang JZ, Chan JSF, Wong ETT. Effects of operation conditions and die angles... and an increased extrusion pressure. The winding speed was found to be the most significant factor in relation to the fiber diameter. While it was observed that thicker carbon fiber generally shows improved preferred orientation, the most important variable affecting the preferred orientation was found to be the entry angle. As the entry angle decreased from 120° to 60°, the shear flow was enhanced to induce more ordered radial alignment of crystallite planes so as to obtain carbon fibers with... -
Effect of fiber-matrix adhesion on the fracture behavior of a carbon fiber reinforced thermoplastic-modified epoxy matrix
H.J. Carrillo-Escalante, A. ?lvarez-Castillo, A. Valadez-Gonz?lez, P. J. Herrera-Franco 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 6 47-56 (10 pages)
crack growth or delamination, probably by crack growth arrest and/or thermoplastic material plastic deformation [9]. The mode I interlaminar fracture toughness, GIC was calculat- ed using eq 1. The correction factor, D was determined from the least square plots of the cubic root of the compliance, C 1/3 against the crack length, a, for individual specimen. Fig. 2 indicates that D was typicall... In this study, the fracture behavior of a thermoplastic-modified epoxy resin reinforced with continuous carbon fibers for two levels of fiber-matrix adhesion was performed. A carbon fiber with commercial sizing was used and also treated with a known silane, (3-glycidoxy propyl trimethoxysilane) coupling agent. Toughness was determined using the double cantilever test, together with surface analysis after failure using scanning electron microscope. The presence of polysulfone particles improved... -
복합적층구조해석을 위한 1차전단변형이론의 간단한 수정방안
천경식, 지효선, Chun. Kyoung-Sik, Ji. Hyo-Seon 한국강구조학회 韓國鋼構造學會 論文集 7 Pages
한국강구조학회 韓國鋼構造學會 論文集 2011, Vol.23 No.4 475-481 (7 pages)
본 논문에서는 1차전단변형이론의 횡방향 전단응력과 전단변형률을 개선한 간단한 수정방법을 제시하였다. 고차전단변형이론, 층별이론과 같은 기존의 많은 제정된 방법들과 비교해서 본 방법은 매우 간단하게 $C^0$ 연속성만이 요구되는 유한요소에 적용할 수 있으며, 그 방정식 구성도 매우 간단하다. 본 방법의 기본 개념은 고차전단변형이론에 의한 수식으로 부터 두께방향에 따른 횡방향 전단응력과 전단변형률의 분포를 수정하는 것이다. 그러므로 1차전단변형이론처럼 전단보정계수는 더 이상 요구되지 않는다. 제안한 수식의... -
Ethanol extract of Angelica gigas inhibits croton oil-induced inflammation by suppressing the cyclooxygenase-prostaglandin pathway
Sunhee Shin, Seong Soo Joo, Dongsun Park, Jeong Hee Jeon, Tae Kyun Kim, Jeong Seon Kim, Sung Kyeong Park, Bang Yeon Hwang, *, Yun 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 7 43-50 (8 pages)
by a Dunnett’s t-test correction. A p value ＜ 0.05 was considered statistically significant. Results In a cell-level analysis, EAG was not cytotoxic when exposed up to 24 h at concentrations ranging from 0.01 to 10 μg/mL, but a significant cytotoxicity (＞ 70%) was observed at higher concentration (100 μg/mL, p ＜ 0.05). Because the toxicity of 100 μg/mL EAG was so large (IC50 = 46.38... and vascular leakage, which were significantly attenuated by oral pre-treatment with EAG (50∼500 mg/kg). Croton oil dramatically increased blood levels of interleukin (IL)-6 and PGE2 without affecting tumor-necrosis factor (TNF)-α and nitric oxide (NO) levels. EAG pre-treatment remarkably lowered IL-6 and PGE2, but did not alter TNF-α or NO concentrations. These results indicate that EAG attenuates inflammatory responses in part by blocking the COX ???? PGE2 pathway. Therefore, EAG could be a... -
Carbon nanofiber-reinforced polymeric nanocomposites
Changwoon Jang, John Hutchins, Jaesang Yu 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2013, Vol.14 No.4 1 197-205 (9 pages)
each confguration. 2. Experimental Procedures 2.1. Experimental design space Three different independent variables were considered for this study: the carbon nanofber weight fraction, the high shear mixing time, and the ultrasonication mixing time. Therefore, fve distinct material confgurations were considered in an at- tempt to account for the infuence of these three independent variables on...