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Fabrication of calcium phosphate-chitosan coating on Ti substrate for dental implants
박경희,한은미,안준섭 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.1
Chitosan (Chi) and bovine serum albumin (BSA) were coated as a coating layer on commercially pure titanium (cp-Ti) to improve bioactivity. The calcium phosphate (CaP) coating by soaking in modified simulated body fluid (m-SBF) solution was prepared. It was observed that the incorporation of BSA significantly modified the morphology, composition, and crystallinity of the CaP coating. The coating structure and its surface morphologies were determined by X-ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy. The calcium phosphates formed on chitosan and BSA spin coated substrate were ~ 350 nm size controlled materials. This provides not only the strong bonding of the apatite layer to the substrates but also a uniform gradient of stress transfer from coating materials to the Ti-substrate. ** This research was supported by the National Research Foundation of Korea (NRF) and grant funded by the Korea government (MSIP) (No. 2017R1A2B1012074).
T . S . Eliot 연구 : 사랑의 주제를 주제를 중심으로
박경희 한국강원영어영문학회 1989 영어영문학 Vol.8 No.1
The purpose of this thesis is to indicate that the consistent theme of T. S. Eliot's poetry is love. Love in Eliot's poetry can be divided into three phases; the failure of human love, the search for divine love and the union of human love and divine love. These three phases have a coherent development. The failure of human love in Eliot's early poems is mainly due to the protagonist's being locked within himself. As long as a human being is locked within himself, he cannot make love with others. The aspects of the failure of human love can be classified into three aspects : the failure of sexual and spiritual love. The first can be seen in $quot;The Love Song of J. Alfred Purfrock$quot;, the second in $quot;Portait of a Land$quot;, and the third in $quot;Gerontion$quot;, And, all of these aspects can be seen in The Waste Land, which represents the state of sterility, distortion, corruption and absence of human love, and in $quot;The Hollow Man$quot;, which focuses on the people in the waste land. Eliot thinks that human love has its real meaning only in its union with God's love. So the theme of love in Eliot's poetry moves on step further towards the search for higher. divine love. The search for divine love is presented as a religious suffering to overcome the conflicts between human love and divine love. In $quot;Ariel Poems$quot; such suffering is represented in dealing with the $quot;Word$quot;. $quot;Ash Wednesday$quot; develops the love in Dantean imagery and in various incarnations marked by the negative mystic, the saint of the John Cross. Also Eliot expresses the spiritual purgation as a search for God's love, employing a lady who is a mediated being between man and God. But the completion of love in Eliot's poetry can be seen in Four Quartetss which is Eliot's latest and the most complete poem. The poem shows the union of human love and divine love. Four Quartets takes sonata form, which is similar to the development of mystical experience. Also the union of human love and divine love is expressed in the concepts of time and eternity in $quot;Burnt Norton$quot;, of the beginning and the end in $quot;East Coker$quot;, of the river and the sea in $quot;The Dry Salvages$quot; and of the dead and the loving in $quot;Little Gidding$quot; Eliot expresses the moments of the union, employing the concepts of the rose garden, the still point and the intersection of time and eternity, etc.
박경희,백금희 한국중앙영어영문학회 2016 영어영문학연구 Vol.58 No.1
This study aims to illuminate the ‘aesthetic existence’ of byronic heroes in Don Juan. Juan and the Narrator represent an ‘aesthetic existence’, also an romantic ironist in Kierkegaard’s Either/Or. Don Juan presents Byron’s romantic-ironic vision of the universe as abundant chaos, i.e. becoming, change, and growth, in which the most appropriate human activities are creativity, love, mental flexibility or mobilité, and tolerance both for alternative opinions and for natural shocks that flesh is heir to. Byron’s romantic-ironic vision defies and mocks all completed structures, all finite enclosures. Don Juan’s existential heroes, Don Juan and the narrator, are roughly equivalent to an ‘aesthetic existence’ in Kierkegaard’s Either/Or that can never be satisfied with a merely actual object, and must constantly “change fields.” The narrator and Juan as well as ‘aesthete A’ who can know only boredom and dread, and must totally commit himself in order to escape from despair in a chaotic world, exemplify the prototype of an existentialist man. In conclusion, Byronic heroes hold existential traits defined by Kierkegaard. Don Juan manages to dramatize Byron’s philosophy of life through his heroes proving existential attitudes.