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Dimensional Stability of Cotton-Spandex Interlock Structures under Relaxation
Herath, C.N.,Kang, Bok-Choon,Jeon, Han-Yong The Korean Fiber Society 2007 Fibers and polymers Vol.8 No.1
In this study, dimensional characteristics of core spun cotton/spandex interlock structures with high, medium and low tightness factors were studied under dry-, wet-, and full relaxation conditions. Results are compared with those for similar fabrics knitted from 100% cotton. Dimensional characteristics of samples of core-spun cotton/spandex and cotton are measured by considering the changing of course-, wale- densities and stitch densities under dry, wet and full relaxation conditions. Based on these data, dimensional constants(U-values) were predicted under 95% significance level. Higher U-values are reported with cotton/spandex interlocks than 100% cotton and under full relaxation, cotton/spandex shows the U-values with lesser CV%. Stitch density growth is linearly correlated with tightness factor for both interlock material structures. Excellent resiliency property of cotton/spandex yarns increases tightness factors at machine off state and during relaxation states. Cotton/spandex interlock structures show more prominent co-relationship with their tightness factors on their dimensional parameters.
Dimensional Stability of Single Jersey Fabrics of $LincLITE^{(R)}$ and Conventional Yarns. I.
Park, Shin-Woong,Collie, Stewart,Herath, C.N.,Kang, Bok-Choon The Korean Fiber Society 2006 Fibers and polymers Vol.7 No.4
Dimensional constants (k values) of single jersey fabrics made from $LincLITE^{(R)}$ and conventional yams are calculated under dry, steam, full relaxation treatments. Fabrics were made under different tightness factors such as high, medium and low with different twist factors, twist directions and feeder blending. $LincLITE^{(R)}$ yarns made to get soft and bulkier effects with yam count of 39 tex and conventional yams made into 39 tex and 48 tex yam counts. Various effects on K values are analysed using correlation coefficients. K-values are increased with relaxation progression and have shown some differences between in $LincLITE^{(R)}$ and conventional fabrics, and feeder blended fabrics. Loop shape factor is highly affected by tightness factor, relaxation and feeder blending in $LincLITE^{(R)}$ fabrics, whereas twist factor not significantly effects on loop shape factor in conventional fabrics. Stitch density significantly increases with relaxation in conventional fabrics and no significant effect shows with $LincLITE^{(R)}$ fabrics.
Park, Shin-Woong,Collie, Stewart,Herath, C.N.,Kang, Bok-Choon,An, Jae-Sang The Korean Fiber Society 2007 Fibers and polymers Vol.8 No.1
Dimensional changes of single jersey fabrics made from $LincLITE^{(R)}$ and conventional yarns(39 tex and 48 tex) with different twist factors and fabric tightness factors are investigated under dry-, steam- and full- relaxation treatments. Results showed that linear and area shrinkages, fabric density and stitch density values were affected by tightness factors, relaxation treatment, yarn twist and feeder blending. Generally, higher length shrinkages and width increases were reported with $LincLITE^{(R)}$ and conventional fabrics. Tightness factors and twist factors significantly affected $LincLITE^{(R)}$ and insignificantly affected conventional fabrics in concern of change of shape and area shrinkages. Thus, fabric density values and reciprocal of stitch lengths showed linear correlations with intercepts, which decreased on full relaxation. Also, it showed higher regression correlation coefficient factors from $LincLITE^{(R)}$ and conventional fabrics.
Priyathilaka, T.T.,Kim, Y.,Udayantha, H.M.V.,Lee, S.,Herath, H.M.L.P.B.,Lakmal, H.H.C.,Elvitigala, D.A.S.,Umasuthan, N.,Godahewa, G.I.,Kang, S.I.,Jeong, H.B.,Kim, S.K.,Kim, D.J.,Lim, B.S. Academic Press 2016 FISH AND SHELLFISH IMMUNOLOGY Vol.51 No.-
<P>Peroxiredoxins (Prdx) are thiol specific antioxidant enzymes that play a pivotal role in cellular oxidative stress by reducing toxic peroxide compounds into nontoxic products. In this study, we identified and characterized a peroxiredoxin 6 counterpart from Japanese eel (Anguilla japonica) (AjPrdx6) at molecular, transcriptional and protein level. The identified full-length coding sequence of AjPrdx6 (669 bp) coded for a polypeptide of 223 as residues (24.9 kDa). Deduced protein of AjPrdx6 showed analogy to characteristic structural features of 1-cysteine peroxiredoxin sub-family. According to the topology of the generated phylogenetic reconstruction AjPrdx6 showed closest evolutionary relationship with Salmo salar. As detected by Quantitative real time PCR (qPCR), AjPrdx6 mRNA was constitutively expressed in all the tissues examined. Upon the immune challenges with Edwardsiella tarda, lipopolysaccharides and polyinosinic:polycytidylic acid, expression of AjPrdx6 mRNA transcripts were significantly induced. The general functional properties of Prdx6 were confirmed using purified recombinant AjPrdx6 protein by deciphering its potent protective effects on cultured vero cells (kidney epithelial cell from an African green monkey) against H2O2-induced oxidative stress and protection against oxidative DNA damage elicited by mixed function oxidative (MFO) system. Altogether, our findings suggest that AjPrdx6 is a potent antioxidant protein in Japanese eels and its putative immune relevancy in pathogen stress mounted by live-bacteria or pathogen associated molecular patterns (PAMPs). (C) 2016 Elsevier Ltd. All rights reserved.</P>