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Baek, Youn-Kyoung,Kim, Dae Woo,Yang, Seung Bo,Lee, Jung-Goo,Kim, Young Kuk,Jung, Hee-Tae American Scientific Publishers 2015 Journal of Nanoscience and Nanotechnology Vol.15 No.2
<P>We demonstrate that chitosan prepatterns can generate not only highly periodic DNA pattern but also various types of graphitic carbon materials such as single-walled carbon nanotubes (SWNTs), graphene oxide (GO) and reduced graphene oxide (RGO). Scanning electron microscopy (SEM), fluorescence imaging and Raman spectroscopic results revealed that the graphitic carbon materials were selectively deposited on the surface of the periodic chitosan patterns by the electrostatic interaction between protonated amine groups of chitosan and the negative charged carbon materials. One proof-of-concept application of the system to the fabrication of electrical devices based on the micropatterns of SWNTs and RGO was also demonstrated. The strategy to use highly surface active chitosan pattern that can easily fabricate highly periodic pattern via a variety of lithographic tools may pave the way for the production of periodic arrays of graphitic carbon materials for large area device integration.</P>
Baek, Youn‐,Kyoung,Yoo, Seung Min,Kang, Taejoon,Jeon, Hwan‐,Jin,Kim, Kyounghwan,Lee, Ji‐,Sun,Lee, Sang Yup,Kim, Bongsoo,Jung, Hee‐,Tae WILEY‐VCH Verlag 2010 Advanced functional materials Vol.20 No.24
<P><B>Abstract</B></P><P>A new strategy for fabricating highly ordered chitosan–Au core–shell nanopatterns with tunable surface plasmon resonance (SPR) properties is developed. This strategy combines fabrication of a chitosan nanopattern by using a soft‐nanoimprint technique with selective deposition of Au nanoparticles onto the patterned chitosan surface. The SPR response can be tuned by controlling the features of the resulting Au shell/polymer hybrid pattern, which makes these materials potentially useful in ultrasensitive optical sensors for molecular detection.</P>
백지현,박은영,정윤숙,홍재원,채윤태,진성준,최희경,신소연,한상훈,진범식,김창오,최준용,송영구,조남훈,김준명 대한감염학회 2009 감염과 화학요법 Vol.41 No.4
Coccidioidomycosis is a fungal infection that results from inhaling the airborne arthroconidia of the Coccidioides species. It is an endemic disease in the southwest part of North America and rarely diagnosed in Korea. As tourism to endemic areas and the number of immunocompromised patients have been increasing, the incidence of this infection has increased in non-endemic areas. Treatment is usually successful with antifungal agents; however, recurrence is common. It is difficult to decide when to discontinue the antifungal treatment especially in non-endemic areas where doctors are not familiar with the disease. We report a case of recurrent coccidioidomycosis manifesting as osteomyelitis after the treatment of the patient for disseminated coccidioidal infection. The complement fixation test was a useful tool for the assessment of patient response and to evaluate suspected recurrence.
경피적 관상동맥 중재술 환자에게 적용된 간호중재 연구 고찰
백경화 ( Kyoung Hwa Baek ),손연정 ( Youn Jung Son ) 서울대학교 간호과학연구소 2015 간호학의 지평 Vol.12 No.2
Purpose: This study aimed to provide a systematic review of the evidence from controlled trials regarding nursing intervention studies on patients undergoing percutaneous coronary intervention, a discussion of the methodological problems that limit current research, and suggestions regarding future directions for research. Methods: Using a predefined protocol, 27 electronic databases were searched, studies selected, relevant data extracted, and the methodological quality of the studies assessed. Results: Twenty-seven studies were found reporting complex, generally heterogeneous interventions. The studies reported positive results, including self-efficacy, knowledge, and self-care. There were 6 randomized controlled trials, 19 quasi-experimental studies, and 2 only research group studies. In addition to support components, the interventions included elements of teaching, counseling, and education. Nursing interventions are still in the developmental and testing phase. Conclusion: The review demonstrated that a great deal is known about nursing intervention, the impact on a range of outcomes, and methodology. Although some useful evidence was reported for all interventions, further research needs to be carried out.