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Plyometric Training과 비타민 C 투여가 남고생의 체력, 혈중 젖산, 암모니아 및 젖산탈수소효소에 미치는 영향
장준원,김세종,이현미,서혜림,조현숙,고정림,염종우,예정복,백영호 釜山大學校 附設 體育科學硏究所 2003 體育科學硏究所 論文集 Vol.19 No.-
The purpose of this was to examine the effect of plyometric training and vitamin C ingestion on physical fitness and fatigue substance....
Hye Rim Byeon,Seo-Yul Jang,Yoonmi Lee,Dohak Kim,Moon-Gi Hong,Dokyung Lee,Joo-Hyun Shin,Jae-Gu Seo 한국식품영양과학회 2022 Journal of medicinal food Vol.25 No.6
Muscular atrophy is a muscle disease in which muscle mass and strength decrease due to aging, injury, metabolic disorders, or chronic conditions. Proteins in muscle tissue are degraded by the ubiquitin-proteasome pathway, and atrophy accelerates this pathway. Akkermansia muciniphila and Faecalibacterium prausnitzii strains are effective agents against metabolic and inflammatory diseases in next-generation probiotic research. In this study, we evaluated the efficacy of A. muciniphila strain EB-AMDK19 and F. prausnitzii strain EB-FPDK11 in a mouse model of muscular atrophy, since atrophy inhibits energy metabolism and immune activation. After oral administration of each strain for 4 weeks, the hind legs of the mice were fixed with a plaster cast to immobilize them for a week. As a result, the administration of EB-AMDK19 and EB-FPDK11 strains improved grip strength but did not increase muscle mass. At the molecular level, A. muciniphila and F. prausnitzii treatments decreased the expression levels of ubiquitin-proteasome genes, atrogin-1, MuRF, and cathepsin L. They increased the expression level of the mitochondrial biogenesis regulatory gene, PGC-1α. The effect of the strains was confirmed by a decrease in myostatin. Furthermore, A. muciniphila and F. prausnitzii modulated the immune function by enhancing ZO-1 and inhibiting IL-6. In particular, EB-AMDK19 promoted the expression of IL-10, an anti-inflammatory cytokine. These results suggest that A. muciniphila and F. prausnitzii may have beneficial effects on muscular atrophy, verified by newly isolated EB-AMDK19 and EB-FPDK11 as potential next-generation probiotics.
Effects of Commercial Nitrilase Hydrolysis on Acrylic Fabrics
( Hye Rim Kim ),( Hye Young Seo ) 한국의류산업학회 2016 한국의류산업학회지 Vol.18 No.6
This study aims to evaluate the hydrolytic activity of a commercial nitrilase and optimize nitrilase treatment conditions to apply eco-friendly finishing on acrylic fabrics. To assess the possibility of hydrolyzing nitrile bonds in acrylic fabric using a commercial nitrilase, the amounts of hydrolysis products, ammonia and carboxylate ions, were measured. The treatment conditions were optimized via the amount of ammonia. The formation of carboxylate ions on the fabric surface was detected by X-ray photoelectron spectroscopy and wettability measurements. After nitrilase treatment, ammonia was detected in the treatment liquid; thus, nitrilase hydrolyzed the nitrile bonds in acrylic woven fabric. The largest amount of ammonia was released into the treatment liquid under the following conditions: pH 8.0, 40°C, and a treatment time of 5 h. The formation of carboxylate ions on the acrylic woven fabric surface by nitrilase hydrolysis was proven by the increased O1s content measuring of XPS analysis. From comparison of the results of nitrilase and alkaline hydrolysis, the white index and strength of the alkali-hydrolyzed acrylic fabric decreased, whereas those of the nitrilase-hydrolyzed samples were maintained. The nitrilase hydrolysis improved the sensitivity of acrylic fabrics to basic dye similarly to alkaline hydrolysis without the drawbacks of yellowing and decreased strength caused by alkaline hydrolysis.
Seo, Kyung-Hye,Ra, Ji-Eun,Lee, Sung-Joon,Lee, Ji Hae,Kim, Sun Rim,Lee, Jin Hwan,Seo, Woo Duck The Korean Society for Applied Biological Chemistr 2015 Applied Biological Chemistry (Appl Biol Chem) Vol.58 No.4
The extracts and chemical compounds isolated from barnyard millet (Echinochloa utilis) grains were investigated as part of a search for naturally derived antihyperglycemic medicinal plants. Among the five different solvent extracts, the ethyl acetate extract showed the lowest $IC_{50}$ value against Saccharomyces cerevisiae ${\alpha}$-glucosidase ($70.2{\mu}g/mL$). Chromatography yielded eight phenolic compounds that may have been responsible for this effect. Among them, N-p-coumaroyl serotonin (1, CS), feruloyl serotonin (2, FS), and luteolin (5) potently inhibited ${\alpha}$-glucosidase with $IC_{50}$ values of $1.3-17.8{\mu}M$ compared with those of deoxynojirimycin (DNJ, $IC_{50}=2.5{\pm}0.1{\mu}M$) and acarbose ($IC_{50}=255.1{\pm}15.6{\mu}M$). Additionally, for the first time, we found that CS and FS were significantly inhibited mammalian rat intestinal sucrase ($IC_{50}$ of 3.0 and $8.2{\mu}M$) and reduced glucose content (73 and 52 % at 0.1 mg/wells) in Caco-2 (human intestinal epithelial) cells. Furthermore, oral glucose tolerance test revealed improved glucose tolerance following treatment with the barnyard millet grains extract by retarding the postprandial rise in blood glucose in vivo. These results suggest that barnyard millet grain can be used as a natural functional medicine to prevent and alleviate type-2 diabetes.
Effectiveness of Enzymatic Hydrolysis on Polyamide Fabric
( Hye Rim Kim ),( Hye Young Seo ),( Ah Reum Song ) 한국의류학회 2013 한국의류학회지 Vol.37 No.7
We compared the effectiveness of amidase (amano acylase, AA) and an endopeptidase, (trypsin, TR) in modifying the hydrophobicity of polyamide fabric. We evaluated the number of amino groups released into the reaction mixture in order to optimize the treatment conditions. We found that a large number of amino groups were released into the reaction mixture due to the cleavage of amide bonds by AA hydrolysis; however, the TR hydrolysis exhibited a relatively lower activity compared to AA hydrolysis. In AA and TR hydrolysis,significant differences were observed in the K/S values and moisture regain. Amide bonds in polyamide fabric were hydrolyzed by AA hydrolysis effectively. Compared to TR, AA formed more hydrolysis product (amino groups) on the fabric surface. Thus, the hydrophobicity of polyamide fabric was modified using AA hydrolysis (as verified by the wettability test) without any deterioration of fiber strength.
Effects of Commercial Nitrilase Hydrolysis on Acrylic Fabrics
Kim, Hye Rim,Seo, Hye Young The Society of Fashion and Textile Industry 2016 한국의류산업학회지 Vol.18 No.6
This study aims to evaluate the hydrolytic activity of a commercial nitrilase and optimize nitrilase treatment conditions to apply eco-friendly finishing on acrylic fabrics. To assess the possibility of hydrolyzing nitrile bonds in acrylic fabric using a commercial nitrilase, the amounts of hydrolysis products, ammonia and carboxylate ions, were measured. The treatment conditions were optimized via the amount of ammonia. The formation of carboxylate ions on the fabric surface was detected by X-ray photoelectron spectroscopy and wettability measurements. After nitrilase treatment, ammonia was detected in the treatment liquid; thus, nitrilase hydrolyzed the nitrile bonds in acrylic woven fabric. The largest amount of ammonia was released into the treatment liquid under the following conditions: pH 8.0, $40^{\circ}C$, and a treatment time of 5 h. The formation of carboxylate ions on the acrylic woven fabric surface by nitrilase hydrolysis was proven by the increased O1s content measuring of XPS analysis. From comparison of the results of nitrilase and alkaline hydrolysis, the white index and strength of the alkali-hydrolyzed acrylic fabric decreased, whereas those of the nitrilase-hydrolyzed samples were maintained. The nitrilase hydrolysis improved the sensitivity of acrylic fabrics to basic dye similarly to alkaline hydrolysis without the drawbacks of yellowing and decreased strength caused by alkaline hydrolysis.
서혜영 ( Hye Young Seo ),송화순 ( Wha Soon Song ),김혜림 ( Hye Rim Kim ) 한국의류학회 2011 한국의류학회지 Vol.35 No.2
This study examines the effects of Evening primrose on colors, color fastness, and the antimicrobial activity of dyed fabrics. The results are as follows. The dyeing conditions of Evening primrose on cotton and mercerized cotton were optimized at 50℃, 60 minutes, and 200% (o.w.f.). In addition, Evening primrose dyeing on silk was determined at 90℃, 60 minutes and 200% (o.w.f.). The pre-mordant concentration of chemicals of cotton, mercerized cotton and silk was optimized at 1% (o.w.f.). The post-mordant concentration on mercerized cotton, silk and cotton was determined at 1% (o.w.f.) and 3% (o.w.f.), respectively. The mordant methods (such as pre-mordant and post-mordant) were slightly affected on the hue of dye-fabrics. Wet cleaning fastness of cotton was improved by post-mordant; otherwise, the wet cleaning fastness of mercerized cotton and silk was improved by a pre-mordant. The dry cleaning fastness of cotton and silk was excellent regardless of mordant methods. The dry cleaning fastness of mercerized cotton was improved by a post-mordant compared to a pre-mordant. The antimicrobial activity of Evening primrose-dyed fabrics was shown at 99.9%. The excellent antimicrobial activity of dyed fabrics remained after the mordant as well as wet and dry cleaning.