• Title/Summary/Keyword: perspiration

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Antimicrobial Activity of Fabrics Treated with Colloidal Silver Solutions Made by Electrolysis and Reduction (제조 방법이 다른 은 콜로이드 용액 처리 직물의 항균효과)

  • Chung Haewon;Kim Boyeon;Yang Heeju
    • Journal of the Korean Society of Clothing and Textiles
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    • v.29 no.6
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    • pp.805-813
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    • 2005
  • In recent years, greatly increased incidences of diseases made people more concerned about their hygienic environment. Since clothes are the closest environment to man, many methods have beef proposed to impart antimicrobial properties to the textiles. Benefits associated with incorporating antimicrobial properties in textiles include protection to the wearer from microbiological attack, and prevention of odor from perspiration. Silver has been known to kill 650 different disease organisms, however, nano-sized silver particles are known as skin friendly and does not cause skin irritation. In this study, we have examined the antimicrobial effects of cotton or polyester fabric, on which nano-sized silver particles were treated. Colloidal silver solution made by electrolysis of $99.9\%$ silver stick was more effective than that by reduction of $AgNO_3.\;0.7\%$ concentration of colloidal silver solution by electrolysis is helpful to give reduction of $99.9\%$ S. aureus and K. pneumoniae on a cotton fabric without the decrease of whiteness. Since the structures of fiber and fabric effect on their antimicrobial property, PET filament fabric didn't have sufficient antimicrobial properly. The fabrics treated with up to $5\%$ colloidal silver solution didn't have the properly of antistatic and electromagnetic shield.

Denim Decolorization Using Laccase (Laccase를 이용한 데님 탈색)

  • Chung, Yu Ra;Song, Wha Soon
    • Journal of the Korean Society of Clothing and Textiles
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    • v.37 no.3
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    • pp.348-356
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    • 2013
  • Denim washing is processed with different washing techniques such as stone washing, chemical washing, sand washing, and bio washing. Cellulase bio washing can meet environmental regulations that enhance and rectify problems associated with traditional decolorization techniques; however, stone washing needs to be added to the processing because it produces a low decolorization effect. There is also the problem of additional strength reduction. To prevent these problems, a new enzyme for bio washing is required. This study examines the optimum laccase treatment conditions on denim and evaluated the characteristics of laccase-treated denims to establish a database of eco-friendly new decolorization process on denim using a new laccase enzyme. The results show that the optimum conditions of laccase on denim are a pH of 4.0, $30^{\circ}C$, 7% (o.w.f.), and 6 hours in 10 mM of buffer concentration. UV absorbance and HPLC identified isatin coexist with anthranilic acid in solution after laccase treatment on denim. Results of the surface color, the surface morphology and the tensile strength indicate that laccase treatment shows an excellent decolorization effect without fiber damage. The wet cleaning fastness and the perspiration fastness also improved.

Dyeability and Functionality of Silk Fabrics treated with Persimmon Juice (감즙에 의한 견직물의 염색성과 기능성)

  • Huh, Man-Woo;Bae, Jung-Sook;An, Sun-Young
    • Fashion & Textile Research Journal
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    • v.10 no.6
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    • pp.1036-1044
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    • 2008
  • This research from analyzing dyed silk fabrics treated with persimmon juice by padding concludes as follows : The add on is increased as the number of padding increase and the color of the dyed fabrics holds red-yellow colors which has low brightness and high chromatic colors. The fabrics dyed with persimmon juice have properties such as 2nd grade of light fastness, 4~5th grade of perspiration fastness and rubbing fastness, and 3~4th grade of washing fastness. The dyed fabrics exposed to UV light have deeper yellow-red color than things exposed to sunlight. The silk fabrics treated premordants have shown strong yellow colors, especially the fabrics added Fe mordant have shown greenish red-yellow colors. As the padding times of dyeing with persimmon juice are increased, strength and water-repellent property are enhanced along warp and weft direction respectively but anti-crease property is decreased. Also, the dyed fabrics have good antibacterial activity and deodorization.

Clinical Study of Moxibustion on The Complication of Diabetes Mellitus (당뇨 합병증에 대한 구치료의 임상적 연구)

  • Lee Hyun Min;Jo Hoon Seuk;Shin Woo Jin;Seu Sang Ho;Park Dong il;Hong Hoon Sang;Kim Jong Won
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.18 no.1
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    • pp.294-300
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    • 2004
  • The purpose of this study was to investigate the effects of oxibustion on complications of Diabetes Millitus. We collected 23 patients with glycosurea complications in Songeui Oriental Hospital from April, 2003 to July, 2003, and then expremented Moxibustion, medical examinations and laboratory test for 4 weeks. At the symptons change : Among the symptons which the number over 5 persons of patients is reserved, dysaesthesia of limbs, neuralgic pain, urinary frequent urination, dpontaneous perspiration, thirst, decrease of body weight and malaise showed the improvement over 60%(n=23). Level of FBS was don't have the significant meaning however showed the tendency of the desent, and level of HbA1c significantly decreased after treatment(P&0.001)(n=19).

Study on Effect of Learning Treatment Chart (의안(醫案) 학습효과에 대한 연구)

  • Kim, Yong-Chan;Shin, Hyeun-Kyoo;Kim, Byung-Soo;Kang, Jung-Soo
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.19 no.3
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    • pp.580-585
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    • 2005
  • Treatment chart(醫案) is a document that doctors have described about their own practice. Western doctor's chart has a prescribed form, but otherwise chart of oriental medicine is a free form. As It has no prescribed form, doctors of oriental medicine have recorded important facts that they think especially. For example, details are patient's name, age, sex and address, the name of disease, state of pulse and tongue, state of secretions(stools, urine, perspiration, etc.), color of face, state of sleep and thirst, diagnosis, prescription, improvement of herb, teaching, and so forth. If we study on chart of oriental medicine, we draw a lesson about practices of a famous doctors. Through that we can increase ability of diagnosis and adaptation to circumstance, make ourselves familiar with use of past prescriptions and way of changing prescription, and learn narrative story of past doctors' personal experience, their though and teaching. As chart of oriental medicine had many methods to take a measure to meet the false situation, we can learn that. Through chart of oriental medicine, we can improve our practice of oriental medicine.

Study on ${\ulcorner}$Zhujieshanghanlun${\lrcorner}$ (("주해상한론(註解傷寒論)" 에 대한 연구)

  • Kim, Jin-Ho;Bang, Jung-Kyun
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.21 no.2
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    • pp.370-378
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    • 2007
  • ${\ulcorner}$Zhujieshanghanlun(註解傷寒論)${\lrcorner}$ are som particular points as below ; first, set up the concepts of chuanjing(傅經), zaichuanjing(再傅經), and guojing(過經). Second, suggested the half exterior and half interior syndrome(半表半裏證) firstly. The third, understood origin literature by the distinguished way for syndrome in accordance with the Yin and Yang(陰陽). Forth, wangyang(亡陽) is described by two different syndromes. One is with perspiration. The other is yangxuzheng(양허증(陽虛證)) from injured yangqi(陽氣). Fifth, xialibiannongxue(下利便膿血) was distinguished by the generic characters of The Cold and Hot(熱${\cdot}$寒). The last, ${\ulcorner}$Shanghanlun${\lrcorner}$ (傷寒論) was described at the view of viscera & bowels's physiology and their pathology. And shaoyin(少陰) disease was aware of kidney case and Taiyin(太陰) disease was aware of spleen case. There are two different cases of bowel diseases. One is that xieqi(邪氣) goes in stomach of Yangming(陽明). The other is that xieqi(邪氣) follows channel and goes into bowel.

Natural Dyeing of Silk Fabrics with Humulus japonicus Extract (환삼덩굴을 이용한 견직물의 천연염색에 관한 연구)

  • Ha, Young Kab;Lee, Jeong Sook
    • Textile Coloration and Finishing
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    • v.26 no.3
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    • pp.263-271
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    • 2014
  • The purpose of this study is to investigate the dyeability of silk fabrics with Humulus japonicus (Hwansam) extract which is a kind of weeds that grows wild in the suburbs. In the research, the general extract method was conducted with the extract from fresh herb of root-removed Humulus japonicus while we investigated the optimal dyeing conditions and dyeability depending on the changes of the kind of mordants, methods and temperature. The functional properties such as antibacterial activities, deodorization and UV protection were also reviewed. The ideal output, as a result, was shown at 100% of dye concentration, $90^{\circ}C$ of dyeing temperature and 40 minutes of dyeing time while in terms of dye uptake depending on the kind of mordants and methods, it was found that among four mordants of $SnCl_2$, $AlK(SO_4)_2$, $CuSO_4$, and $FeSO_4$ post-mordanting with $FeSO_4$ showed the best result. Color fastness to washing, dry cleaning and rubbing was found strong at grade 4-5 and the grade to light was as good as 3 while to perspiration was good at 4-5 as well. In aspects of functional properties, it showed excellent results of 99% deodorization rate, 98% UV protection rate and 99.9% bacterial reduction against Staphylococcus aureus.

Dyeability and Functionality of Synthetic Fabrics treated with Persimmon Juice (감즙에 의한 합성섬유의 염색성과 기능성)

  • Huh, Man-Woo;Bae, Jung-Sook
    • Textile Coloration and Finishing
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    • v.26 no.2
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    • pp.131-142
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    • 2014
  • This paper was focused on investigating synthetic fabrics treated with persimmon juice by padding mangle repeatedly. The merit of dyeing by pad-dry method was easier color reproduction than dyeing by immersion method. With increasing number of padding, the dyed nylon fabrics showed deeper yellow-red colors, but dyed polyester fabrics had no uniform tendency. The dyed synthetic fabrics had a 3rd grade of ligtht, 4~5th grade of perspiration fastness, 5th grade of stain washing fastness, and 3~5th grade of rubbing fastness. As the number of padding and exposed time to sunlight or UV light increase, the value of K/S and ${\Delta}E$ increased and the colors become much deeper gradually. The color development had completed about 70 hours exposure to UV light. As the padding time of dyeing with persimmon juice increased, stiffness and water repellent property were enhanced, respectively. Also, the dyed synthetic fabrics had good antibacterial activity and deodorization.

Characteristics and Dyeability of Perilla Frutescens L. Britt Extracts with Different Solvents (추출용매에 따른 자소 색소의 염색성 및 기능성)

  • Wang, Qian Wen;Lee, Jung-Soon
    • Textile Coloration and Finishing
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    • v.28 no.3
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    • pp.195-207
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    • 2016
  • In this study, we examined the influence of the pigment characteristic and dyeing condition on dyeing properties and functionality by using Perilla Frutescens L. Britt extracts, in which ethanol, distilled water and NaOH solution were used as 3 different solvents. Changes in dyeing conditions include variations in dye concentration, dyeing temperature, time and pH on dye uptake, and K/S values were compared according to these changes. Additionally, color changes were observed according to the use and types of mordant. Ultraviolet-visible spectrum was utilized to investigate the pigment characteristic, and as a result, chlorophyll was identified in ethanol extract, whereas tannin was identified both in distilled water extract and NaOH solution extract. By using FT-IR analysis, these tannins in distilled-water-extract and NaOH solution extract were verified to be hydrolyzable tannin. When dyeing silk, dye uptake increased as dye concentration, dyeing temperature and time increased, while it decreased as pH of the extract increased. Fabrics dyed without a mordant produced Y-series colors, and fabrics dyed with mordants showed various colors depending on the mordant types. Even though color fastness to washing and light was unsatisfactory, fastness to rubbing and perspiration showed relatively high grade. Moreover, deodorant ability of dyed fabric improved.

Chracteristics and Dyieing Properties of Green Tea Colorants(Part II) -Dyeing Properties of Silk with Green Tea Colorants- (녹차색소의 특성과 염색성(제2보) -견섬유에 대한 녹차색소의 염색성-)

  • Shin, Youn-sook;Choi, Hee
    • Journal of the Korean Society of Clothing and Textiles
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    • v.23 no.3
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    • pp.385-390
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    • 1999
  • Dyeing properties of silk fabric with green tea colorants were studied by investigating the effect of dyeing conditions such as concentration pH dyeing temperature and time on dye uptakes and effect of mordants on color change and dye uptakes, And various colorfastnesses of dyed fabrics were evaluated for practical use. Green tea colorants showed relatively good affinity to silk fabric and produced yellowish red color. Langmuir adsoption isotherm was obtained. Therefore it is considered that ionic bondings between colorants and silk fibers are formed. Mordants did not improve dye uptakes and affect color of dyed fabrics significantly. But mordanting adversely affected lightfastness of dyed fabrics. Regardless of mordanting colorfastness to perspiration especially in alkaline condition of dyed fabrics showed low rating compared with other colorfastness. It is concluded that mordanting is not necessary for silk dyeing with green tea colorants.

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