The desulfurizers facility is cylindrical shape. To operate properly it needs nozzles cleaned, get rid of lime adhesion and sludge, repair the wear and corrosion of facility regularly. For this purpose, workers shall access the ceiling or vertical wall at high place. Ordinary scaffoldings such as steel pipe scaffolding or system scaffolding have been using so that workers can access them. With these ordinary scaffoldings, openings around cylindrical wall are inevitable which make workers can expose always to the risk of falling. The purpose of this study is to develop customized scaffolding to minimize the openings to prevent workers form falling during maintenance it. It consists of a hexagonal central tower and six trapezoidal outer towers. And the bracing among the towers have connected each other for self-standing and for maintaining the structure of towers. Span decks, the circumference footstools, steps, etc. are laid on each floor. The safety is reviewed by structural analysis and performance test. With this study, openings each floor of this scaffold are removed. The gap between the cylindrical wall and the edge of the work stage is approximately 100 mm. Therefore, we expect that workers can work safely and efficiently.

The American house dust mite, Dermatophagoides farinae Hughes, is the most important factor of allergic diseases, such as atopic dermatitis, rhinitis, and asthma. The protein-denaturing activity of nerolidol (1), chrysin (2), and spathulenol (3) identified in the Brazilian propolis against D. farinae was evaluated using SDS-PAGE and dot-blot immunoassay. Results were compared with those of the currently available dust mite protein-denaturing agent tannic acid. SDS-PAGE showed that application of test compounds and tannic acid (100 μg each) caused complete disappearance of D. farinae protein bands. In a dot-blot immunoassay, test compounds and tannic acid (100 μg each) strongly inhibited the IgE-binding reactivity to D. farinae protein of a highly mite-sensitive asthmatic patient. The Brazilian propolis constituents described merit further study as potential dust mite-allergen denaturants for protection from humans from various diseases caused by house dust mites.

The caterpillar-shaped Chinese medicinal mushroom (DongChongXiaCao) looks like a worm in the winter and likes a grass in the summer. The fruiting bodies of Cordyceps species have demonstrated various biological activities and used as traditional medicines in Asian countries. The price of wild Cordyceps have been ascending every year as their demand increase. Recently, the artificial cultivation of these fungi has been successfully established and they are currently produced on a rice or pupae media. This study was carried out to investigate the soluble sugar, amino acid and fatty acid profiles in the fruiting-bodies of Cordyceps militaris, C. pruinosa and Paecilomyces. tenuipes formed on the living silkworm (Bombyx mori) host. Soluble sugars such as glycerol, glucose, mannitol and sucrose were found in the fruiting bodies of Cordyceps militaris, C. pruinosa and P. tenuipes. Total soluble sugar content was 29.23 ㎎g-1in C. militaris, 8.61㎎g-1 in C. pruinosa and 24.00 ㎎g-1in P. tenuipes on dry weight basis. Total free amino acid content was 14.09 ㎎g-1in C. militaris, 34.60㎎g-1 in C. pruinosa and 17.09 ㎎g-1 in P. tenuipes. The content of oleic acid in fatty acids was above high more than 30% regardless of species.