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SUMMARY The strain Trametes maxima CPB30 isolated from Cuc Phuong National Park is strongly laccase producing fungus. Among 8 culture media used for laccase screening, potato dextrose agar (PDA) was the most preferable to the strain for produging laccase. The laccase produced by T. maxima CPB30 strongly decolorized of RBBR. Apart from the role ...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 822 | Lượt tải: 0
The demand on maize is increasing both in the world and Vietnam. While, as other cereals, maize is low in important nutrition compounds, especially, lysine, vitamin A, folic acid, iron, zinc and selenium. Therefore, there have been many attempts in the researches on improvement of nutrition value of cereal crops, in general, and maize, in particu...
14 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 865 | Lượt tải: 0
SUMMARY The 21st century is era of renewable energy in which biohydrogen is the most potential candidate that may replace the fossil fuel. Many countries pay more attention to biohydrogen since it can produce by bacteria via fermentation and gas-biosynthesis has many advantages. Bacterial strain Thermoanaerobacterium aciditolerans Trau DAt isol...
8 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 781 | Lượt tải: 0
SUMMARY Thanks to their advantages compared with other microbial and synthetic surfactants, Rhodococcus biosurfactants are widely studied to apply in new advanced technologies, such as environmental bioremediation, improved polymeric material construction and biomedicine. A biosurfactant-producing strain TD2 was isolated from the oil poluted wa...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 828 | Lượt tải: 0
The objective of this study is to screen Bacillus strains for high lipase production; from 10 strains of Bacillus subtilis OII (BS7) has ability the best lipase production. The maximum lipase was carried out using liquid culture medium at pH 7,0, substrate concentrations 1,2% (w/w) after 3 days. The optimum pH and temperature on lipase activity ...
9 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 1009 | Lượt tải: 0
Kết quả theo dõi thân nhiệt (Hình 7) cho thấy, thân nhiệt của tất cả các chuột ở cả 2 nhóm thử nghiệm tiêm Neupogen và hG-CSF ñông khô liều 80µg/kg ñều có sự dao ñộng, tuy nhiên sự dao ñộng này ổn ñịnh trong khoảng từ 36,9oC ñến 37,3oC, không có con chuột nào có thân nhiệt vượt qua khoảng nhiệt ñộ cho phép ở chuột bình thường là 36,5°C – 38,...
10 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 918 | Lượt tải: 0
Dog roundworms include some species of the genera Toxocara and Toxascaris. Of these, Toxocara canis distributes globally and can infect humans to cause a number of clinical manifestations, such as visceral larva migrans, ocular larva migrans, eosinophilic meningoencephalitis, and neurotoxocariasis. In Vietnam, human cases infected with Toxocaris...
6 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 836 | Lượt tải: 0
Natural enviroment of the destroyed zone in Can Gio mangrove by Durian typhoon had been serious bioturbation. The researches about the environment of this area and role of organisms are very important for the mangrove regeneration. There are 19 species of Brachyuran crabs belonged to 13 genus, 7 families such as Sesarmidae, Ocypodidae, Varunidae...
8 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 892 | Lượt tải: 0
SUMMARY Two polysaccharide samples (Poly1 and Poly2) and three compounds (galactiol, ergosterol and ergosterol peroxide) were isolated from the fruiting body of Lentinus edodes. Poly1 and ergosterol peroxide (NH-3) showed cytotoxicities against two liver cancer cell lines Hep-G2 (Hepatocellular carcinoma) and RD (Rhabdomyosarcoma) with IC50 val...
9 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 920 | Lượt tải: 0
SUMMARY Several species of the genus Dalbergia have been used for a long time in Vietnam as traditional medicine, there was a few papers concerning biology and taxonomy of Dalbergia in Vietnam. In our study, first time ten bioactive compounds isolated from the heartwood of Dalbergia oliveri were evaluated. results showed that from the cytotoxi...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 835 | Lượt tải: 0