Jeong-Yeop Kim

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A new cytotoxic aromatic alkaloid, pantherinine [1], and a mixture of nucleosides including 7-deazainosine [3], have been isolated from the ascidian Aplidium pantherinum collected at Stenhouse Bay, South Australia. The structures were determined primarily from 1H- and 13C-nmr data, especially one-bond and multiple-bond proton-carbon correlations. Although(More)
The overlapping of black dot decreases brightness and black dot is very sensitive to the human visual system in the bright region. In this paper, for gray-level expression, only the bright gray region in the color image was considered for blue noise mask (BNM) approach. To solve this problem, BNM with CMY dot was used for the bright region instead of black(More)
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