Laundry services are becoming more specialized and diversified. Therefore, this study investigated consumers' perceptions of professional laundry shops by analyzing social media data. For this purpose, text data from blogs, cafés, and Q&A sections ('Ji-Sik-In') on the portal site, naver.com, was collected. Sixty-four keywords were extracted from 2,213 social texts and transformed into a one-mode matrix using KrKwic, a program for the analysis of Korean text. Semantic network analysis was conducted to understand the network structure and the results were visualized using NodeXL. Keywords included fashion items and materials that require specialized professional laundry services, words related to the establishment of laundry shops, and laundry shop brands. Essential keywords of professional laundry shops included 'luxury,' 'footwear,' 'removal,' 'bag,' 'leather,' 'sneakers,' 'padding,' 'premium,' 'dyeing,' and 'franchise.' These results could be used to deduce that consumers perceive a professional laundry shop as a franchise shop offering specialized professional laundry services. A cluster analysis was conducted to identify the types of consumer perceptions of professional laundry shops. The network was divided into three groups: 'specialized professional laundry service,' 'laundry and repair of winter coats and jackets,' and 'the establishment of a professional laundry shop.' According to the results, consumers perceive professional laundry shops as franchises that offer specialized professional laundry services rather than general laundry services. Therefore, professional laundry shops need a strategy to develop special laundry services that differentiate them from other companies and communicate with consumers about these services.
To analyze the characteristics of Orientalism which is expressed in the fashion of the 1990's this study was examined according to three aspects such as form textiles and pattern and the aspects was considered with regard to Chinese Indian Japanese Korean, Southeas Asian and North African style. 1. In form Orientalism which is influenced by latest other fashion trend; Naturalism and Minimalism is expressed as a comfortable casual style which simplifies the way of wearing and mixes the characteristic elements of folk costume with western costume. The way of layerd wearing like knotting wrapping draping and the symbolic from which is inspired by the unique are of each country are shown. 2. In textiles Chinese Japanese and Indian silk as well as Southeast Asian and North African cotton show a splendid oriental impression using vivid color. On the other hand the linens of Korea like hemp and ramie emphasize natural characteristics and show a simple and unartificial oriental beauty. But in the use of material and color it shows a remarkable tendency to break the preconceived idea by coordinating a luxurious silk with a practical denim or harmonizing technical new-masterials with traditional materials. 3. In pattern the decorative elements of Orientalism such as a traditional pattern skills to dye embroidery and other decorations are emphasized on the form of western costume. The sketchy patterns of Chinese Korean and Japanese styles which include the pattern of a flower a bamboo and a butterfly are expressed using embroidery or textile printing. The geometrical seriate patterns of Southeast Asian and North African styles use traditional dyeing methods like Batik. Also the Indian technique of decoration like Mirro Work satisfies handcrafted royalty and feminine romantic taste in modern minimal fashion. The Orientalism expressed in the fashion of 1990's emphasizes the characteristics of people wearing colthing which break the preconceived idea by simplifying the form harmonizing differences between oriental and western cultures and mixing the elements of traditional costumes among countries. Most of all. Ethno using geonmetrical seriate pattern and technical new metal material and Romantic Ethnic using flower embroidery precious stones and beads are appearing as a distinctinve feature.
Synthetic fiber materials were developed due the desire of consumers for high-quality, high-performance and comfort. A high functionality of synthetic fiber can be obtained through surface treatment that can improve hydrophilic properties, color depth after dyeing and adhesion properties. These advantages create added-value. Hydrophobic properties are an important feature to create added-value (such as hydrophilic properties). One side processing is a method of imparting to contrary function on the front and rear side. In this study, fluorine-coated Nylon/PU blended fabric was treated on only one side with a low-temperature plasma treatment; subsequently, the contact angles decreased by increasing the time and intensity of the plasma treatment. The contact angle of the untreated surface and the treated surface was different. It a showed a difference in the properties of both surfaces. Tensile strength and stiffness decreased by increasing the time and intensity of the plasma treatment. However, plasma treatment did not significantly change the tensile strength and stiffness on both surfaces of the fabric. SEM photographs showed the surface of fluorine-coated fabric and the etching surface by using plasma treatment on the fabric. Plasma treatment was confirmed not to affect the physical properties of the fabric.
This study examined the basic information on the native pear c.v. 'Baekwoon' grown in Mt. Baekwoonsan, Gwangyang, to develop as a local specialty product. the sensory characteristics, chemical compositions, and physiological activities of 'Baekwoon' pear were examined and compared with those of 'Niitaka' pear. Hardness of 'Baekwoon' pear was 19.30N, which was higher than 'Niitaka'. The sugar content of 'Baekwoon' was 11.5 $^{\circ}Brix$, which was lower than 'Niitaka'. The total amino acid contents of the fruit skin and flesh of 'Baekwoon' were 222 mg/100g dry weight (DW) and 130 mg/100g DW, respectively, which were much higher than those of 'Niitaka'. Especially, serine contents in fruit skin and flesh of 'Baekwoon' were 75.4 mg/100g DW and 40.2 mg/100g DW, respectively, which were significantly (p<0.05) higher than those of 'Niitaka'. However, physiological activities, such as total phenol content, DPPH radical scavenging activity, total flavonoid content and nitrite scavenging activity, of 'Baekwoon' were lower than or similar to those of 'Niitaka'. Consequently, vitamin and amino acid contents of 'Baekwoon' were better than those of 'Niitaka'. It is suggested to use fruit skin because of its good composition and physiological activities so that it helps to improve the quality and the biological activity.
Yedam Jeong;Jieun Kwon;Sunmin Kwon;Seehyeon Chae;Hyunjea Cho;Wooseok Kim;Mikyung Kim;Jongwon Kim
Textile Coloration and Finishing
/
v.35
no.1
/
pp.20-28
/
2023
In this study, TPU resin for coating was prepared by varying the mixing ratio of antistatic TPU and recycled TPU to manufacture permanent antistatic materials. The coated yarn was prepared by coating on the nylon yarn, and then the thermal, rheological, mechanical properties and antistatic properties were analyzed. In addition, antistatic properties and durability were confirmed after manufacturing UD fabrics using coated yarns. The mixing ratio of antistatic TPU and recycled TPU was most appropriate at 4:6, and the antistatic property had a surface resistance of 2.20 × 109 Ω and a static charge of 398 V. In the coating process, the coating speed was most appropriate at 0.21 m/s, and the surface resistance of the UD fabric manufactured with the coated yarn manufactured under this condition was 6.80 × 109 Ω and the static charge was 484 V. The UD fabric had a surface resistance of 7.21 × 109 Ω and a static charge of 517 V after washing 10 times, and it was confirmed that the permanent antistatic property was excellent.
Jong Pil Yoon;Seung Gi Min;Jin-Hyun Choi;Hyun Joo Lee;Kyeong Hyeon Park;Sung Hyuk Yoon;Seong Soo Kim;Seok Won Chung;Hun-Min Kim;Dong Hyun Kim
Clinics in Shoulder and Elbow
/
v.25
no.4
/
pp.296-303
/
2022
Background: A previous study reported that hyperlipidemia increases the incidence of tears in the rotator cuff tendon and affects healing after repair. The aim of our study was to compare the gene and protein expression of torn rotator cuff tendons in patients both with and without hypercholesterolemia. Methods: Thirty patients who provided rotator cuff tendon samples were classified into either a non-hypercholesterolemia group (n=19, serum total cholesterol [TC] <200 mg/dL) and hypercholesterolemia group (n=11, serum TC ≥240 mg/dL) based on their concentrations of serum TC. The expression of various genes of interest, including COL1A1, IGF1, IL-6, MMP2, MMP3, MMP9, MMP13, TNMD, and TP53, was analyzed by real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR). In addition, Western blot analysis was performed on the proteins encoded by interleukin (IL)-6 and TP53 that showed significantly different expression levels in real-time qRT-PCR. Results: Except for IGF1, the gene expression levels of IL-6, MMP2, MMP9, and TP53 were significantly higher in the hypercholesterolemic group than in the non-hypercholesterolemia group. Western blot analysis confirmed significantly higher protein levels of IL-6 and TP53 in the hypercholesterolemic group (p<0.05). Conclusions: We observed an increase in inflammatory cytokine and matrix metalloproteinase (MMP) levels in hypercholesterolemic patients with rotator cuff tears. Increased levels of IL-6 and TP53 were observed at both the mRNA and protein levels. We suggest that the overexpression of IL-6 and TP53 may be a specific feature in rotator cuff disease patients with hypercholesterolemia.
The mixotrophic marine ciliate Mesodinium rubrum possesses a highly modified algal endosymbiont as a nutrition source for the species. Accordingly, we assumed that the species can reflect the ecotoxicity on marine producer (as phytoplankton) and consumer (as zooplankton) both. A series of experiments were conducted to identify the potential of the species as a standard test species for marine ecotoxicological study. The comparison of species sensitivity on reference toxic materials was made using potassium dichromate for phytoplankton and copper chloride for zooplankton. The ciliate revealed the highest sensitivity on both reference materials among the seven test species including phytoplankton, benthic copepod and rotifer species. The toxicity end point of the species was 72hr-$EC_{50}$=1.52 mg/L (as potassium dichromate) estimated by population growth inhibition (PGI), which is more sensitive than the most sensitive phytoplankton Skeletonema costatum (72hr-$EC_{50}$=3.05 mg/L). As comparison to rotifer, it also revealed higher sensitivity on copper chloride; 72hr-$EC_{50}$=0.38 mg/L for ciliate and 48hr-$EC_{50}$=0.48 mg/L for rotifer. Also, the elutriate toxicity test of various ocean disposal wastes were conducted to identify the potential of ciliate toxicity test application using industrial waste sludges. The toxicity of leather processing waste sludge was highest on the ciliate, followed by dyeing waste sludge and dye production waste sludge as an increasing order of toxicity. 72h-$EC_{50}$ of ciliate PGI test was 1.83% and that of S. costatum 3.84% for leather waste sludge which showed highest toxicity. The toxicity test results also revealed that the highest sensitivity was observed on ciliate species on ocean disposed sludge wastes. Also, ciliate toxicity test well discriminated the degree of toxicity between sludge sources; 72h-$EC_{50}$ values were 1.83% for leather processing waste sludge, 16.75% for dye production waste sludge and 27.75% for textile production waste sludge. Even the laboratory culture methods of the species were not generally established yet, the species has high potential as the standard test species for marine toxicity test in terms of the dual reflection of phyto- and zooplankton toxicity from single test, sensitivity and test replicability.
This study was conducted to determine the characteristics and utilization of pruned kiwifruit branches as wreath materials. Amount of pruned branches produced from one 11~15 year-old kiwi plant cv. 'Hayward' can be used for one wreath with 76cm in diameter. Making a wreath with 76cm in diameter with the pruned kiwifruit branches required 75 branches with 31~40cm length. And the cost to make a wreath with 76cm in diameter for the Keaki and the paper bush were cheeper than those of winged spindle tree and Korean dogwood. Floral designers evaluated that the glossy, the delicacy and the unique form of cut branches, and their various hue were lower than that of the commonly-used cut branches, however, the beauty of curved line, the characteristics after drying, and the utilization and prospect of pruned kiwi branches were higher by 'over good' than that of the commonly-used branches. Consequently, it was assumed that the utilization of pruned kiwifruit branches can be contributed to the improvement of side income for a farm household, and the diversity wreath materials.
This study was conducted to examine the chemical characteristics, antibacterial activity and dyeability of several juices made from Persimmon cv. 'Gyeongsanbanshi'. Young fruits of persimmon were harvested at 1st August, 2006. Fruit juice was extracted soon after harvesting, some of them were stored at $4{\sim}6^{\circ}C$ for 6 months or fermented at room temperature for 6 months. $L^*$ values of vinegar was 43.5 higher than those of fresh juice and fermented liquor. Inorganic matter contents in fresh juice, fermented liquor and vinegar were higher in the order of K ($1696{\sim}2880\;mg$/100 g), Ca ($166.7{\sim}417.9\;mg$/100 g), Mg ($203.9{\sim}214.4\;mg$/100 g), P ($37.9{\sim}109.8\;mg$/100 g), Na ($13.2{\sim}23.3\;mg$/100 g) and Fe ($8.4{\sim}14.2\;mg$/100 g). Cotton fabrics dyed with the fermented liquor and vinegar had the largest inhibitory zone against the gram-positive microorganisms with range of $16.0{\sim}35.0\;mm$. Cotton fabrics dyed with the fresh juice showed $9.0{\sim}9.5\;mm$ inhibitory zone against the gram-negative microorganisms, $15.0{\sim}21.0\;mm$ with the juice stored at $4{\sim}6^{\circ}C$ for 6 months, $22.0{\sim}23.0\;mm$ with the fermented liquor and $9.0{\sim}35.0\;mm$ with vinegar. The hue of cotton fabrics dyed with the fermented liquor had a YR levels, and antibacterial activity of them were 78.5%.
This study examines the stage costumes of the creative musical 'Hyecho', which was performed six times in the Chung Ang Art Center hosted by Chung-Ang University's performance & media agency from December 20 to 22 in 2006. The stage costumes were made based on these basic design elements of stage costumes that were dyed : line, silhouette, material, and color. First, the creative musical 'Hyecho' presents a new form of fusion theatre, which blends Korean traditional music and dance with videos. Thereby, the musical has opened a new phase in Korea's creative performing arts. Second, in musical performances that combines dance and songs, stage costumes should be made not only to attract the audience's eyes, but also not to interrupt actors' vocalizations and movements by taking their physical features into account. Also, costumes should be made in consideration of their relationships with visual elements, including stage settings and lighting. Third, the musical features fusion-style stage costumes, which combines Hanbok, the Korean traditional costume, and Indian traditional costumes with modern costumes. For the line and silhouette, costumes show the beauty of curves through the curves of Hanbok and India's traditional costumes and also through irregular pleats of pants. Also, by using cotton materials, which is easy to dye and not readily deformed, costumes feature colors that are found in nature through a gradation dyeing technique. In doing so, it offers visual amusement to the audience by making stage costumes look like a beautiful painting. Fourth, the stage costumes of the chorus feature costumes that use lining and pleated skirts using belts, and various accessories, including necklaces that use strings in order to express evil spirits. Since there is not much time to change costumes during a performance, using such items are helpful to show the unique characteristics of actors effectively during the limited time. Also, coordinating with the lighting director allows the costume designer to make better costumes for the chorus and make the performance more dramatic. Finally, it was not necessary to wash the costumes of the chorus of the fusion musical Hyecho 2006 since it was performed only six times. However, when using dyed costumes for the long-term performance, it might cause problems such as bleaching that result from the washing of costumes and low durability that can result in the deformation of costumes. As performing arts are made in various forms and are diversified, it is needed for stage costumes to change accordingly through new attempts and various ways of expression.
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