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A.A. Maw,K. Kawabe,T. Shimogiri,W. Rerkamnuaychoke,Y. Kawamoto,S. Masuda,S. Okamoto 아세아·태평양축산학회 2015 Animal Bioscience Vol.28 No.1
The genetic diversity of native chicken populations from Myanmar, Thailand, and Laos was examined by using 102 insertion and/or deletion (indels) markers. Most of the indels loci were polymorphic (71% to 96%), and the genetic variability was similar in all populations. The average observed heterozygosities (HO) and expected heterozygosities (HE) ranged from 0.205 to 0.263 and 0.239 to 0.381, respectively. The coefficients of genetic differentiation (Gst) for all cumulated populations was 0.125, and the Thai native chickens showed higher Gst (0.088) than Myanmar (0.041) and Laotian (0.024) populations. The pairwise Fst distances ranged from 0.144 to 0.308 among populations. A neighbor-joining (NJ) tree, using Nei’s genetic distance, revealed that Thai and Laotian native chicken populations were genetically close, while Myanmar native chickens were distant from the others. The native chickens from these three countries were thought to be descended from three different origins (K = 3) from STRUCTURE analysis. Genetic admixture was observed in Thai and Laotian native chickens, while admixture was absent in Myanmar native chickens.
Maw, A.A.,Kawabe, Kotaro,Shimogiri, T.,Rerkamnuaychoke, W.,Kawamoto, Y.,Masuda, S.,Okamoto, S. Asian Australasian Association of Animal Productio 2015 Animal Bioscience Vol.28 No.1
The genetic diversity of native chicken populations from Myanmar, Thailand, and Laos was examined by using 102 insertion and/or deletion (indels) markers. Most of the indels loci were polymorphic (71% to 96%), and the genetic variability was similar in all populations. The average observed heterozygosities ($H_O$) and expected heterozygosities ($H_E$) ranged from 0.205 to 0.263 and 0.239 to 0.381, respectively. The coefficients of genetic differentiation (Gst) for all cumulated populations was 0.125, and the Thai native chickens showed higher Gst (0.088) than Myanmar (0.041) and Laotian (0.024) populations. The pairwise Fst distances ranged from 0.144 to 0.308 among populations. A neighbor-joining (NJ) tree, using Nei's genetic distance, revealed that Thai and Laotian native chicken populations were genetically close, while Myanmar native chickens were distant from the others. The native chickens from these three countries were thought to be descended from three different origins (K = 3) from STRUCTURE analysis. Genetic admixture was observed in Thai and Laotian native chickens, while admixture was absent in Myanmar native chickens.
Heo, S.J.,Kim, S.E.,Hyun, Yong Taek,Kim, D.H.,Lee, Hyang Mi,Hwang, Yeong Maw,Park, S.A.,Shin, Jung Woog Trans Tech Publications, Ltd. 2007 Key Engineering Materials Vol.342-343 No.-
<P>This study evaluated the potential of the PCL (poly -caprolactone)/HA(Hydroxyapatite) composite materials as a scaffold for bone regeneration. For this, we fabricated scaffolds utilizing salt leaching method. The PCL/HA composite scaffolds were prepared with various HA contents (20wt%, 40wt%, 60 wt %). To ensure the potential for the scaffolds, porosity tests were conducted along with SEM observations. The porosity decreased with the increase of the contents of HA particles. The porosity of the composite with the highest contents of HA was still adoptable (~85%). In addition, the PCL/HA composite scaffolds were evaluated for their ability of osteogenic differentiation with human bone marrow stromal cell (hBMSC) in vitro. Alkaline phosphatase (ALP) activity, markers for osteoblastic differentiation, and total protein contents were evaluated in hBMSCs following 14 days of cultivation. The addition of HA particles enhanced proliferation of hBMSC during the test. Also, the differentiation ability of the cells was increased as HA particles were added. In this study, we concluded that PCL/HA composite scaffolds has great potential as a scaffold for bone tissue engineering.</P>
Ma, W.,Yang, C.,Heeger, A. J. WILEY-VCH Verlag 2007 Advanced Materials Vol.19 No.10
<B>Graphic Abstract</B> <P>Spatial Fourier transforms and power spectral density were used to analyze digital TEM images of bulk heterojunction material based on poly(3-hexylthiophene) as donor and a soluble fullerene (PCBM) as acceptor. Optimized high-temperature annealing leads to well-defined nanoscale (< 20 nm) interpenetrating networks (see figure). The power spectral density provides a detailed and quantitative description of the bulk heterojunction material and the kinetics of the phase separation. <img src='wiley_img/09359648-2007-19-10-ADMA200601933-content.gif' alt='wiley_img/09359648-2007-19-10-ADMA200601933-content'> </P>