Korea University · 生化学・遺伝学・分子生物学
Professor Chulhwan Park's research lab specializes in bioresource engineering and industrial biotechnology, focusing on enhancing the production of high-value bioactive compounds such as cordycepin from medicinal fungi like *Cordyceps militaris*. The lab employs microbial strain improvement techniques, including UV mutagenesis, to optimize biosynthetic pathways and improve yield. It also investigates the impact of culture conditions on microbial fermentation processes to support sustainable bioproduction. Additionally, the lab explores mathematical frameworks for uncertainty modeling, applying soft set theory to algebraic structures such as WS-algebras and deductive systems.
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Molodtsov [8] introduced the concept of soft set as a new mathematical tool for dealing with uncertainties that is free from the difficulties that have troubled the usual theoretical approaches. In this paper we apply the notion of soft sets by Molodtsov to the theory of subtraction algebras. The notion of soft WS-algebras, soft subalgebras and soft deductive systems are introduced, and their basic properties are derived.
Cordycepin, a beneficial bioactive product specifically found in <i>Cordyceps</i>, has received attention in various bioindustrial applications such as in pharmaceuticals, functional foods, and cosmetics, due to its significant functions. However, low productivity of cordycepin is a barrier to commercialization. In this study, <i>Cordyceps militaris</i> was mutated by UV irradiation to improve the cordycepin production. The highest producer KYL05 strain was finally selected and its cordycepin pr
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