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Intranasal Administration Model for Evaluating Protection Against Influenza Virus in Mice
Soo-Won Choi,Ha-Na Youn,Wootack Hong,Jae-Keun Park,Seong-Su Yuk,Jung-Hoon Kwon,Jin-Yong Noh,Jung-Sun Kang,Kyung-Jin Cho,Jeoung-Jin Ryu,Joong-Bok Lee,Seung-Yong Park,In-Soo Choi,Sang-Won Lee,Chang-Seon 대한미생물학회 2015 Journal of Bacteriology and Virology Vol.45 No.1
Yuk, Jong Min,Kim, Kwanpyo,Lee, Zonghoon,Watanabe, Masashi,Zettl, A.,Kim, Tae Whan,No, Young Soo,Choi, Won Kook,Lee, Jeong Yong American Chemical Society 2010 ACS NANO Vol.4 No.6
<P>Zero- and one-dimensional metal nanocrystals were successfully fabricated with accurate control in size, shape, and position on semiconductor surfaces by using a novel <I>in situ</I> fabrication method of the nanocrystal with a biasing tungsten tip in transmission electron microscopy. The dominant mechanism of nanocrystal formation was identified mainly as local Joule heating-assisted electromigration through the direct observation of formation and growth processes of the nanocrystal. This method was applied to extracting metal atoms with an exceedingly faster growth rate (∼10<SUP>5</SUP> atoms/s) from a metal-oxide thin film to form a metal nanocrystal with any desired size and position. By real-time observation of the microstructure and concurrent electrical measurements, it was found that the nanostructure formation can be completely controlled into various shapes such as zero-dimensional nanodots and one-dimensional nanowires/nanorods.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2010/ancac3.2010.4.issue-6/nn901674p/production/images/medium/nn-2009-01674p_0005.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn901674p'>ACS Electronic Supporting Info</A></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn901674p'>ACS Electronic Supporting Info</A></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn901674p'>ACS Electronic Supporting Info</A></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn901674p'>ACS Electronic Supporting Info</A></P>
Disinfection of poultry chiller water with dolomite powder
Soo-Won Choi,Ha-Na Yoon,Hyo-Seon Joo,Kyung-Min Kim,Jun-Hyuk Jang,Byoung-Yoon Kim,Dong-Hun Lee,Jae-Keun Park,Seong-Su Yuk,Jung-Hoon Kwon,Young-Ho Hong,Joong-Bok Lee,Seung-Yong Park,In-Soo Choi,Chang-Se 한국가금학회 2012 한국가금학회 정기총회 및 학술발표회 Vol.29 No.-
Yuk, Jong Min,Kim, Tae Whan,Lee, Jeong Yong,No, Young Soo,Kim, Dong Hun,Choi, Won Kook,Jin, Sungho IOP Pub 2009 Nanotechnology Vol.20 No.5
<P>Sub-10 nm In(PO<SUB>3</SUB>)<SUB>3</SUB> nanocrystals (NCs) were created in an insulating matrix by rapid thermal annealing to form nanocomposite structures. On annealing at a temperature of 400 °C, P<SUB>2</SUB>O<SUB>5</SUB> NCs were formed by substituting P for Zn atoms in ZnO films via the kickout diffusion mechanism based on the fixed oxygen sublattice. On annealing at a higher temperature of 600 °C, however, In(PO<SUB>3</SUB>)<SUB>3</SUB> NCs were nucleated by diffusion of In atoms from the substrate into the sites of P<SUB>2</SUB>O<SUB>5</SUB> NCs that coalesced by moving atoms to neighboring grains in the strain relaxed region. The formation mechanisms of sub-10 nm In(PO<SUB>3</SUB>)<SUB>3</SUB> NCs in an insulating matrix due to rapid thermal annealing are described on the basis of the experimental results.</P>
Type430 스테인리스강의 미세조직 및 집합조직 형성에 미치는 소둔 공정 조건의 영향
박수호,박찬경,이용득,김광육 대한금속재료학회(대한금속학회) 2001 대한금속·재료학회지 Vol.39 No.8
The microstructure and texture evolution of Fe-16%Cr ferritic stainless steel has been studied with the variation of annealing process. Interrelation between ridging phenomenon and microtexture was investigated. The annealing process was conducted in 4 different types, such as B-C, B-B, C-C and C-B. (B: batch annealing, C: continuous annealing) in both hot band and cold rolled steels. The rolling and recrystallization textures at each process were examined by orientation distribution function(ODF). In order to investigate the orientation of each grain and the existence of grain colonies, microtexture measurements were performed with electron back-scatter diffraction(EBSD) on the TD section. The ridging behavior was surveyed after 15% tensile elongation. It was found that the ridging property was improved remarkably in C-B annealing process due to the disintegration of coarse colonies after full recrystallization. It was clearly found that the ridging phenomenon was closely related with the existence of grain clusters or grain colonies having the {001}$lt;110$gt; orientation.
국내 인체피부모델을 이용한 광독성 동물대체시험법 개발 연구
이용선 ( Yong-sun Lee ),이정선 ( Jung-sun Yi ),임혜림 ( Hye-rim Lim ),김태성 ( Tae-sung Kim ),안일영 ( Il-young Ahn ),고경육 ( Kyung-yuk Ko ),김주환 ( Joo-hwan Kim ),박혜경 ( Hye-kyung Park ),이종권 ( Jong-kwon Lee ),손수정 ( Soo- 한국동물실험대체법학회 2016 동물실험대체법학회지 Vol.10 No.1
Human reconstituted epidermis models have been widely used in evaluating phototoxicity. However, human reconstituted epidermis models made in Korea have not been employed to assess phototoxicity. In this study, we conducted an in vitro phototoxicity test with Neoderm<sup>®</sup>-E, human reconstituted epidermis model from Korea, in order to see if the model could be used for the evaluation of phototoxicity. Firstly, we performed an UVA sensitivity test and selected 6 J/cm<sup>2</sup> for an UVA irradiation dose. Chlorpromazine as a positive control was then tested to confirm that the substance induces phototoxicity in this model. Afterwards, 3 phototoxins and 2 non-phototoxins were tested using Neoderm<sup>®</sup>-E and Epiderm<sup>TM</sup>, a generally used phototoxicity test model, to compare prediction results for each chemical. The results indicated that all those 5 chemicals were correctly predicted with Neoderm<sup>®</sup>-E, which was accordant with the phototoxic information on them. However, only 3 chemicals were correctly predicted with Epiderm<sup>TM</sup>. Consequently, the predictive capacity of the test with Neoderm<sup>®</sup>-E could be higher than that using Epiderm<sup>TM</sup>. Overall, we reached the conclusion that Neoderm<sup>®</sup>-E could be used in evaluating phototoxicity.