Tổng hợp tài liệu, ebook Sinh Học tham khảo.
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: 506 | 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: 529 | 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: 548 | 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: 536 | 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: 618 | 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: 519 | 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: 540 | Lượt tải: 0
Water deficit is one of the most important factors affecting plant physiology and development. Drought induced by PEG6000 inhibited main root and stimulated lateral root development. 2mg/l IAA supplemented in MS½ media causes early flowering by suppressing main root elongation and stimulating lateral root development. The increasing of IAA and d...
8 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 492 | Lượt tải: 0
TÓM TẮT Trên thế giới, chi Jasminum L. có khoảng trên 200 loài được chia thành 5 nhánh Jasminum Green, Alternifolia DC, Trifoliolata DC. Primulina Green và Unifoliolata DC. có phân bố ở các vùng nhiệt đới và cận nhiệt đới ở Đông Nam Á, châu Âu, châu Úc và châu Mỹ. Nhánh Trifoliolata DC được De Candolle (1844) công bố với loài chuẩn là Jasminum ...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 478 | Lượt tải: 0
Field surveys and interviewing local residents and forest rangers from 2013 to 2015 in Xuan Lien Nature Reserve have recorded 7 groups/troops of Indochinese grey langur (5 groups were sighted and 2 groups recorded by from interview). Each group consists of 30-35 individuals as maximum and total of 100-200 individuals of Indochinese grey langurs ...
9 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 536 | Lượt tải: 0