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591.
We report herein a superhyrodrophobic poly(ethylene terephthalate) (PET) fabric prepared through a biomimetic method of the
Lotus effect. To attain the Lotus effect on the PET fabrics, physical roughness and chemical hydrophobicity were controlled
by adopting silica nanoparticles and a commercial water-repellent agent, respectively. For this, narrow-size distributed silica
nano-particles were prepared by a sol-gel process. The water contact angle on PET fabric treated with both silica nanoparticles
and water-repellent agent reached 158°, which was much higher than 137° reached by the fabric treated with the water-repellent
agent only. 相似文献
592.
Tight-fitting clothing pattern reflecting the accurate information of the 3D body shape has been one of the challenges for
garment industry especially for those who have an abnormal body shape. The objective of the paper is to develop the process
of making a final 2D pattern from 3D scanned surface with minimum errors that fit tightly to an asymmetrical female manikin
and secondly, to verify the proposed pattern development process from the free drawn design line on the specific 3D body.
On the continuum of the previous methodology which provided the precise flattening algorithm on the local 3D surface, total
pattern making process was investigated step by step. Final 2D pattern was constructed using non-extensible fabric and the
accuracy of the pattern was investigated by shell-shell deviation of original 3D nude and clothed image. Area of each pattern
block and corresponding 3D surface block was compared, and the detailed view of the triangle arrangements for the final pattern
examined, confirming the topology of the concave and convex surface reflected correctly in the pattern. As results, the accuracy
of the tight-fit dress pattern was satisfactory even for the asymmetrical female manikin with prominent curvature. 相似文献
593.
Jin Sook Kim Hyun Jeong Jeon Kyung Min Lee Jung Nam Im Ji Ho Youk 《Fibers and Polymers》2010,11(2):153-157
Polyacrylonitrile (PAN) nanoparticles were successfully prepared by dispersion polymerization of acrylonitrile (AN) in water
using 10 and 20 wt% of the poly(ethylene oxide)-b-PAN macromolecular RAFT (PEO-b-PAN macro-RAFT) agent (M
n=5,600 g/mol, PDI=1.15). The degrees of polymerization of the PEO and PAN blocks were 113 and 16, respectively. The PAN nanoparticles
had a crumpled spherical appearance and their sizes ranged from 50–80 nm. The degree of crystallinity of the PAN particles
was 23 %. The M
n
values of the PAN nanoparticles prepared with 10 and 20 wt% of the PEO-b-PAN macro-RAFT agent were 33,900 and 25,800 g/mol, respectively. The existence of the PEO block on the surface of the PAN
nanoparticles was confirmed by 1H NMR spectroscopy and XPS. 相似文献
594.
Hyojung Kim Jongyeul Baek Yeon-Ok Choi Jeong Hyun Lee Soon-Kee Sung Sunggil Kim 《Euphytica》2010,171(2):241-249
A cluster of oligonucleotide repeat sequences was identified that is linked to the melon (Cucumis melo L.) andromonoecious (a) locus, which controls andromonoecy. Six different repeat units, ranging from 11 to 49 base pairs, were clustered within
a 0.6-kb intergenic region. The number of repeat units varied from two to six. After sequence analysis of diverse melon germplasms,
four haplotypes of this cluster were identified. Length variations among the four haplotypes resulted from insertion or deletion
of repeat sequences. Particularly, a tandem array of six repeats of 21 nucleotides was a hotspot for insertion/deletion mutations.
A simple PCR-based marker was developed to identify haplotypes of this cluster based on the length polymorphism. In practice,
this marker was successfully used in genetic purity tests of melon F1 hybrid cultivars. Four self-pollinated contaminants, which were confirmed by phenotypic examination in grow-out tests, were
easily discriminated from 99 F1 hybrid individuals. In addition, the genetic distance between this marker and the andromonoecious (a) locus was calculated as 7.9 cM, after analyzing melon F2 populations originating from a cross between monoecious and andromonoecious parental lines. Therefore, this marker will be
useful as a recombinant selection marker in marker-assisted backcrossing of monoecy in melon breeding programs. 相似文献
595.
Hwan-Goo Kang Sang-Hee Jeong Joon-Hyoung Cho 《Journal of veterinary science (Suw?n-si, Korea)》2010,11(1):51-58
The methanol extract from the leaves of Petasites japonicus Maxim (PJ) was studied for its (anti-)mutagenic effect with the SOS chromotest and reverse mutation assay. The (anti-)carcinogenic effects were evaluated by the cytotoxicity on human cancer line cells and by the function and the expression of gap junctions in rat liver epithelial cell. PJ extracts significantly decreased spontaneous β-galactosidase activity and β-galactosidase activity induced by a mutagen, ICR, in Salmonella (S.) typhimurium TA 1535/pSK 1002. All doses of the extract (0.08-100 mg/plate) decreased the reversion frequency induced by benzo (α)pyrene (BaP) in S. typhimurium TA 98. It decreased not only the spontaneous reversion frequency but also that induced by BaP in S. typhimurium TA 100. PJ extract showed greater cytotoxic effects on human stomach, colon and uterus cancer cells than on other cancer cell types and normal rat liver epithelial cells. Dye transfers though gap junctions were significantly increased by PJ extracts at concentrations greater than 200 µg/mL and the inhibition of dye transfer by 12-O-tetradecanoylphorobol-13-acetate (TPA) was obstructed in all concentrations of PJ. PJ significantly increased the numbers of gap junction protein connexin 43, and increased the protein expression decreased by TPA in a dose-dependent manner. Based on these findings, PJ is suggested to contain antimutagenic and anticarcionogenic compounds. 相似文献
596.
Effects of dietary fermented by‐product of mushroom,Pleurotus ostreatus,as an additive on growth,serological characteristics and nonspecific immune responses in juvenile Amur catfish,Silurus asotus
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Kumar Katya Yong‐hyun Yun Hyeonho Yun Jeong‐Yeol Lee Sungchul C Bai 《Aquaculture Research》2016,47(5):1622-1630
The present experiment was conducted to evaluate the efficacy of dietary fermented by‐product of mushroom, Pleurotus ostreatus, (FBPM) as an additive in juvenile Amur catfish, Silurus asotus. Five diets were formulated to contain 0%, 0.1%, 0.2%, 0.4% and 0.8% (FBPM0, FBPM0.1, FBPM0.2, FBPM0.4 and FBPM0.8 respectively) of FBPM. Fifteen fish averaging 5.7 ± 0.1 g (Mean ± SD) were fed one of the five diets in triplicate groups at 3–4% of wet body weight/day for 8 weeks. Average weight gain (WG) and specific growth rate (SGR) of fish fed FBPM0.1 and FBPM0.2 diets were significantly higher than those of fish fed FBPM0. Hematocrit contents of fish fed FBPM0.2 were significantly higher than that of fish fed FBPM0. Lysozyme activity of fish fed FBPM0.1 was significantly higher than those of fish fed FBPM0, FBPM0.2, FBPM0.4 and FBPM0.8, while chemiluminescent (CL) responses of fish fed FBPM0.2 was significantly higher than those of fish fed FBPM0, FBPM0.1, FBPM0.4 and FBPM0.8. Broken line regression analysis of WG showed that optimum dietary FBPM levels based on WG could be 0.11%. Therefore, these results suggested that the optimum dietary inclusion level of mushroom, Pleurotus ostreatus by‐product fermented using lactobacillus and yeast could be greater than 0.11% but less than 0.2% based on WG and immunological responses in Amur catfish, Silurus asotus without any adverse effects on serological characteristics and body composition. 相似文献
597.
598.
Intergeneric hybridization was performed between Brassica rapa and Diplotaxis tenuifolia following embryo rescue. Twenty-three F1 hybrid plants were developed from the cross B. rapa × D. tenuifolia and confirmed to be amphihaploids with 21 chromosomes in mitosis. Chromosome doubling of F1 hybrids by colchicine treatment resulted into five amphidiploid plants which exhibited (20–21)II + (0–2)I at metaphase I (MI) of pollen mother cells. Sib-crossing and/or open-pollination among amphidiploid plants for more than four generations resulted in the development of an ADt-06 line with reproductive systems capable of maintaining an amphidiploid line. The ADt-06 line was intermediate in some morphological traits between two parental species, and was characterized by a slightly pungent taste as a physiological trait. Analyses for genomic DNA confirmed that this line was a hybrid between two species. This new amphidiploid ADt-06 line could be a useful genetic resource for the breeding of new leafy salad vegetables. 相似文献
599.
Jung-Kyung Moon Soon-Chun Jeong Kyujung Van M. A. Saghai Maroof Suk-Ha Lee 《Euphytica》2009,169(3):375-385
Soybean plants react differentially to soybean mosaic virus (SMV) strains because of interactions among different resistant
genes in the soybean genome. Three independent genes resistant to SMV have been identified by inheritance studies and linkage
analyses. To develop durable SMV-resistant soybean cultivars, it is necessary to determine which soybean SMV resistance genes
can be readily transferred from resistant to susceptible cultivars in a breeding system. Here, we report the type and number
of resistance gene(s) in four Korean elite soybean cultivars using a combination of disease reaction symptoms, inheritance
studies, and molecular marker mappings. The disease reactions of Sowonkong and Keunolkong soybean varietals in response to
infection with SMV strains suggested that both cultivars most likely harbor the Rsv1 gene similar to that in York. Subsequent inheritance studies confirmed that Sowonkong has the Rsv1 gene. The inheritance studies suggested that Sinpaldalkong harbored the Rsv1 gene, which was then confirmed by molecular marker mapping. The inheritance studies also suggested that Jinpumkong 2, which
is the most resistant to SMV infection among the four cultivars, contained the Rsv1 and Rsv3 genes; this was confirmed by molecular marker mapping. Our approach, which combined inheritance studies and molecular linkage
analyses, allowed the efficient identification of resistance gene(s) in four Korean soybean cultivars. 相似文献
600.