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Culture supernatant proteins of Brucella canis represented potential antigenicity
Jin Ju Lee(Jin Ju Lee),So-Ra Sung(So-Ra Sung),Eun Ji Yum(Eun Ji Yum),Sung Dae Yang(Sung Dae Yang),Min Hoe Lee(Min Hoe Lee),Bang-Hun Hyen(Bang-Hun Hyen),Moon Her(Moon Her),Hee Soo Lee(Hee Soo Lee) 한국예방수의학회 2018 한국예방수의학회 학술대회자료집 Vol.2018 No.-
( Sang-yeop Lee ),( Won-seok Yang ),( Se-won Park ),( Gun-ho Han ),( Yong-chil Seo ),( Woo-hyen Kim ),( Young-sik Yoon ),( Won-sik Lee ) 한국폐기물자원순환학회(구 한국폐기물학회) 2019 한국폐기물자원순환학회 심포지움 Vol.2019 No.1
Solid refuse fuel (SRF) manufacturing facilities, residues are buried at a rate of 30~45% of incoming amount or some are disposed of by incineration facilities. It is known that landfill can increase the pollution load and it takes about 20% of total facility operation cost due to landfill disposal cost. In the study residue waste from SRF manufacturing plant was attempted to combust, the bottom ash generated from incineration tests was utilized aggregates to fabricate bricks to assess the applicability. The variation in bottom ash properties influences the characteristics of bricks and also it could be hazardous for environment. So, before making bricks from generated bottom ash, basic characteristic of bottom ash such as ignition loss and heavy metal leaching test must be analyzed. These bricks were manufactured by substitution of stone powder and sand. These can be used as an interlocking block for the sidewalk and open space. Finally we analyzed the basic characteristics of the bottom ash and analyzed the water absorption, bending strength, compressive strength, and dimensions of the mixed bricks. Following these results, as comparing with standard interlocking block, recycling brick satisfied with the less than 10% abosrption rate and more than 5Mpa flexural strenghth. we could assess the applicability of these bricks manufactured.
Bone Response to Anodized Titanium Implants in Rabbits
Lee, Jae-Hyun,Lee, Cheol-Won,Kim, Chang-Hyen,Pyo, Sung-Woon Korean Academy of Dental Science 2011 Journal of korean dental science Vol.4 No.1
Purpose: The quality of implant surface is one of the factors that influence wound healing of implant site and subsequently affect osseointegration. The objective of modification of the surface properties of an implant is to affect the biological consequence. The purpose of this study is to evaluate the biologic response of osseous tissue to anodized implants. Materials and Methods: Two machined titanium implants for control group were installed in a tibia of each rabbit and two anodized implants for test group were installed in the other tibia of each rabbit. At the moment the implants were installed, resonance frequency analysis (RFA) values were measured. After healing periods of 1, 2, 3, and 7 weeks, the implants were uncovered and RFA values were measured again. Removal torque was measured for one implant in the test group and one implant in the control group. Histological evaluation was executed in the other implants. Results: Both of test group and control group have the tendency of greater RFA change rate and removal torque value as healing periods became longer, but were statistically insignificant (P>0.05). However, in the case of the same healing period, the test group tended to have greater RFA change rate and removal torque than the control group (P<0.05). More active new bone formation from endosteal surface was noted on the anodized surface than machined surface in specimen after 1 week. There were no significant differences between the test group and control group in histological evaluations. Conclusion: In summary, the anodized surface showed slightly favorable results and it is postulated that it may facilitate improved stability in bone.