http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
임재홍(Jae Hong Im),박종호(Jong Ho Park),장순호(Soon Ho Jang),조영일(Yung Il Joe) 한국화학공학회 2001 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.39 No.2
It was were estimated how the buffer pH, the salt concentration and the salt species such as sodium sulfate, ammonium sulfate, potassium sulfate and sodium chloride affected on the human immunoglobulin G(HIgG) adsorption by using poly(hydroxyethyl-methacrylate, HEMA) beads reacted with divinylsulfone(DVS). Salts of sulfate series promoted the HIgG adsorption according to their concentrations but sodium chloride did not. In the sulfate salts, the adsorption tendencies were different with canon species and were increased in the order of Na^+, K^+, (NH₄)^+*. There was the effect of pH on the adsorption of HIgG, but a constant tendency with salts was not observed.
냉동 / 해동법을 이용한 폴리비닐알콜 하이드로젤의 제조 및 물질전달 특성
정하견,조성윤,임재홍,조영일 ( Ha gyeon Cheong,Sung yun Cho,Jae hong Im,Yung il Joe ) 한국화학공학회 1998 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.36 No.4
Polyvinylalcohol hydrogels for microbial immobilization were prepared try freezing/thawing method by varying several parameters such as freezing/thawing cycle number, freezing time and initial PVA solution concentration. By determining and calculating mesh size, average molecular weight between crosslinks and crosslinking density, the characteristics of prepared hydrogels were investigated and then glucose permeability experiments were carried out. The more freezing/thawing cycle number, the longer freezing time, and the concentrated initial PVA solution, the denser the hydrogel. Mesh size was 68-226Å and equilibrium volume swelling ratio was from 6 to 27. Glucose diffusion coefficients were 2.478×10^(-6)-7.22×10^(-7)㎠/s
포스터 발표 - 고분자공업분과 : PolyHEMA ( poly ( 2- hydroxyethyl methacrylate ) ) Beads 제조에 관한 형태학적 연구
임재홍,허형회,김환기,한학수,김중현,조영일 ( Jae Hong Im . Hiung Hoi Hur,Whan Gi Kim,Hak Soo Han,Jung Hyun Kim,Yung Il Joe ) 한국공업화학회 1997 한국공업화학회 연구논문 초록집 Vol.1990 No.3
N/A We investigated the effect of 1-octhanol and PVP(poly(N-vinyl-2-pyrrolidon) K-90) on the changes of shape, size distribution, porosity of PolyHEMA beads, which were prepared by suspension polymerization. As the concentration of 1-octhanol increases, the shape of PolyHEMA beads becomes irregular and the average size of the beads grows. Also the porosity and the average radius of PolyHEMA beads are increased. Increased PVP concentration makes average radius small but the effect can be ignored when the concentration is over 3 %. The porosity gets a gains of nearby 25 % as its concentration increases. But it does not affect on the shape.
PolyHEMA ( poly ( 2- hydroxyethyl methacrylate ) ) Beads 제조에 관한 형태학적 연구
임재홍,허형회,김환기,한학수,김중현,조영일 ( Jae Hong Im . Hiung Hoi Hur,Whan Gi Kim,Hak Soo Han,Jung Hyun Kim,Yung Il Joe ) 한국공업화학회 1997 한국공업화학회 연구논문 초록집 Vol.1997 No.0
N/A We investigated the effect of 1-octhanol and PVP(poly(N-vinyl-2-pyrrolidon) K-90) on the changes of shape, size distribution, porosity of PolyHEMA beads, which were prepared by suspension polymerization. As the concentration of 1-octhanol increases, the shape of PolyHEMA beads becomes irregular and the average size of the beads grows. Also the porosity and the average radius of PolyHEMA beads are increased. Increased PVP concentration makes average radius small but the effect can be ignored when the concentration is over 3 %. The porosity gets a gains of nearby 25 % as its concentration increases. But it does not affect on the shape.
임재홍,장우진,김한성,전경용,한학수,조영일 ( Jae Hong Im,Woo Jang,Han Sung Kim,Kyoung Yong Chun,Hak Soo Han,Yung Il Joe ) 한국화학공학회 1998 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.36 No.6
Poly(hydroxyethylmethacrylate)(polyHEMA) beads were prepared by suspension polymerization and the effects of 1-octanol and PVP(poly(N-vinyl-2-pyrrolidone) K-90) were investigated on the shape, size distribution, porosity and average pore radius of polyHEMA. As the concentration of 1-octanol increased, the shape became irregular and the average bead size grew. Also the porosity and the average pore radius were increased. Increasing in PVP concentration maked average radius small but the effect could be ignored when it was over 3 %. The porosity got a gains of nearby 25 % in proportion to the concentration. The effect on the whole shape was not significant but it maked the density of microsphere on the surface very lower.