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This paper discusses the business model of Internet application services through dividing the application services into four categories: content-based business, information-based business, advertisement business, and product transaction business. This paper tries to analyze the business model from the perspective of value chain, especially focusing on cooperation relationship. The analysis of this...
An unnatural biopolymer is described in which amino acid side-chains are presented along a negatively charged phosphodiester backbone. For this purpose, a series of phosphoramidite monomers was prepared from chiral 1,2-diols. These were efficiently converted into oligomers using standard coupling conditions on an automated DNA synthesizer.
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