• Title/Summary/Keyword: 항균제

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Coagulase Thping and Antibiotic Resistance of Methicillin Resistant Staphylococcus aureus (MRSA) Isolated form Patients in Pusan (부산지역 환자로부터 분리된 Methicillin Resistant Staphylococcus aureus(MRSA)의 응고효소형 및 항균제 내성에 관한 연구)

  • 류지한;이훈구
    • Korean Journal of Microbiology
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    • v.36 no.3
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    • pp.216-220
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    • 2000
  • Eighty-eight strain3 o~methicillin resistant Stopllylococcus awecis were Isolated from pus (64.7%); spuhm (26.2%), blood, fluid, andurine of 83 patients at Dong-A Hospital in P~~san to invesligate theil-coagulase typ- Ing, and multi-drug resistaut ppattems. The presence of niec A gene confe~~ing melhicillin resistance was tested by polymerase chain reaction (PCR) with uwo mec A gene specific primers using purified clromosonlal DNA as templates. DNA fragments of expected size wel-e detected frorn 86 strains, but not from two strains. !i coagulase typmg, the 86 isolates were assigned to 5 coagulase lypes, I, 11, lll. 1V, VI, VII, VIlI, but there was no isolate helong lo type V. The most abundant coagulase type was type TI(50 %), lollowed by type IV Rest ofthe coagulase types were ininor; ranging fmm 4.5 to 12.5 '% Most of the type I1 ~netlucillin resistant Stapl\ulcorneryiococcus nwem (MRSA) strams were isolated from the generd sulzely ward, but major strains of type IV were Isolated from the otorhinolq~ngology of the hospital's outpatient clinic center. All of the 88 st~nins were sensitive to vancomycin and teicoplanin, but 71 (81%) strains showed multi-drug resitant to penicillin, cephalotl~n, eiythroinycin, gentan~ycin, imipenem, clindamycin, ciprofloxacin and ooxacillin. Yo relationship was found between the antibiotic resistance pattems aud the coagulase typing patterns.

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Antimicrobial Activities of Sophorolipids and Its Application for Cosmetics (Sophorolipid의 항균효과와 화장품에의 응용)

  • Cho, Wan-Goo;Park, Hyo-Soon;Ahn, Byoung-Joon
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.34 no.4
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    • pp.317-323
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    • 2008
  • Some surfactants known as biosurfactants, are produced biologically by yeast and bacteria from various substances. They are more effective and environmentally friendly than many other synthetic surfactants. Antimicrobial activities of sophorolipids produced by Candida bombiocola were investigated against various microorganisms. Minimal Inhibitory concentration (MIC) of sophorolipid against S. mutans, C. xerosis, and P. acnes were 0.005, 0.05, and 0.005%, respectively. The antimicrobiological activities were more effective than those of SLS and APG. Skin exfoliating and moisturizing effects of vehicles with the sophorolipids were tested. The skin turnover time of aqueous solution with 0.25% sophorolipids was similar to that of aqueous solution with 5.0% lactic acid. Higher moisturizing effects on skin showed as the concentration of sophorolipids increased. We suggest that the sophorolipids can be used for cosmetics as an antimicrobiological agent and an active materials of skin moisturizing and exfoliating.

Fabrication of Polyethylene Films Coated with Antimicrobials in a Binder and Their Application to Modified Atmosphere Packaging of Strawberries (결착제 함유 항균성 물질로 코팅한 폴리에틸렌 필름의 제조 및 이를 이용한 딸기의 환경기체조절포장)

  • 김영민;이상백;조성환;이동선
    • Food Science and Preservation
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    • v.7 no.1
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    • pp.12-18
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    • 2000
  • As am economical and effective way of antimicrobial film fabrication , antimicrobial agents were coated on the LDPE film with a binder mediu. the fabricated films were then applied tomodified atmosphere packaging of fresh strawberries. A binder of polyamide was selected for the coating medium, based on the stability in water. 1% grapefruit seed extract-coated film showed the antimicrobial activity on the plate media against EScherichia coli, Staphylococcus aureus, bacillus subtilis , Bacillus cereus, Leuconostoc mesenteroides, Micrococcus flavus, Saccharomyces cerevisiae, while one with 10% Coptis chinesis extract inhibited only M. 림편 and one coated with 10% rheum palmatum extract did not inhibit any of 10 strains tested. The packages of fresh strawberries by using antimicrobial agents-coated films created the gas compositions of O2 1.4-5.5% and CO2 5.7-7.9%, and contributed to reduced growth of total aerobic bacteria and yeast/molds on the produced. However, their lower microbial count was not correlated directly with the reduced decay of the fruits.

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Flame Resistant.Water repellent.Antibacterial Finishing Method for Cotton Textiles (면섬유의 방염.발수.항균 가공방법)

  • Park, Seong-Min;Kim, Ji-Yeon;Gwon, Il-Jun;Lee, Jae-Hong;Yun, Nam-Sik
    • Proceedings of the Korean Society of Dyers and Finishers Conference
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    • 2008.10a
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    • pp.125-126
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    • 2008
  • 기존의 후가공에 의한 방염, 발수, 항균 가공물은 원단의 표면에 부착된 방염제로 인하여 다른 기능성 가공의 성능이 급격히 저하되므로 항균성이나 발수성을 함께 나타내기 어려웠으나, 본 연구에서는 THPC-UREA와 암모니아 기상중합 기술을 이용하여 섬유의 내부 피브릴층에 고내구성 방염성을 부여한 후, 불소계 발수제와 침상구조의 4급 암모늄실란계 항균제를 섬유 표면에 고착시킴으로써 방염성과 발수성, 항균성을 동시에 가지면서 세탁내구성도 우수한 결과를 얻었다.

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