Tổng hợp tài liệu, ebook Sinh Học tham khảo.
TÓM TẮT Chất ức chế proteinase có vai trò sống còn trong điều hòa các quá trình trao đổi chất và phát triển của sinh vật. Công trình này bước đầu thăm dò mối liên hệ giữa hoạt tính ức chế protease (PIA) và hàm lượng polyphenol trong một số cây thuốc Việt Nam thường dùng chữa mụn nhọt, mẩn ngứa. Từ 26 mẫu chiết trong nước của 20 loài thực vật thu...
11 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 458 | Lượt tải: 0
SUMMARY Arsenic (As) is classified as one of toxic metalloids, that directly affects to most plants. Moreover, As is also a human carcinogen due to drinking As-contaminated groundwater or eating plant food including rice cultivated in polluted areas. The effect of As on rice growth was established, but the precised mechanism of rice response to...
12 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 532 | Lượt tải: 0
Among 19 alien plant species existing in the CLC, 13 are invasive species that include 3 medium risk species, siam weed (Chromolaena odorata), coast morning glory (Ipomoea cairica) and wild-sage (Lantana camara), and 10 are low risk ones. All of the medium risk invasive species appear on the islands. Siam weed (Chromolaena odorata) is not re...
17 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 488 | Lượt tải: 0
SUMMARY Twenty yeast strains were isolated from fermented fruit juice of Sonneratia caseolaris. Among them, strain NM2 was chosen for further study as a potential alcohol producer. The results of molecular analysis method show that yeast strain NM2 belongs to C. tropicalis, which is widely distributed in the tropical and subtropical marine envi...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 537 | Lượt tải: 0
SUMMARY Pectic oligosaccharides (POS) have been proposed as a new class prebiotics capable of exerting a number of health-promoting effects. POS can be obtained by limited hydrolysis enzyme of pectin. The present study investigates the conditions of limited hydrolysis passion fruit pectin (Passiflora edulis flavicarpa) by pectinase. Pectin with ...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 504 | Lượt tải: 0
SUMMARY GM-CSF (granulocyte-macrophage colony stimulating factor) is a cytokine with wide effects, not only on hematopoietic precursor cells, dendritic cells, but also on smooth muscle cells, epithelial cells and even neurons. Although, it does not play role in hGM-CSF biological functions, glycosylation enhances the proteinTạo dòng và biểu hiện...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 496 | Lượt tải: 0
SUMMARY Promoter locating upstream on a DNA-coding sequence initiates transcription of a particular gene. Therefore, promoter plays a vital role in controlling the expression of recombinant proteins in Molecular Farming. In this study, the heat shock promoter HSP18.2 calling AtHSP18.2-promoter was isolated from Arabidopsis thaliana. The nucleot...
8 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 477 | Lượt tải: 0
SUMMARY This paper presents the results of concentration of heavy metals accumalated in sediments and in the clam Corbicula subsulcata at the estuaries in Central Region, Vietnam. In August 2012 and March 2013, samples of sediments and the clam Corbicula subsulcata were taken at 27 points as representatives for 3 research sites, including Thuan...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 571 | Lượt tải: 0
SUMMARY In general, chemical flocculates commonly used in wastewater treatment are known to be expensive and ultimate disposal costs. In order to solve these problems, production of biopolymer from bacteria through reuse of municipal wastewater sludge has been studied because of its sustainability, safety and economics. In this study, 10 EPS pro...
9 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 463 | Lượt tải: 0
SUMMARY Sponges are known to be a host of diverse microbial community. By culture – dependent method, 2640 sponge - associated bacterial strains from 6 sponge species of Son Cha peninsula have been isolated. The number of bacterial isolates from the sponge Cliona viridis (LC25) and Callyspongia australis (LC26) was higher than that from the oth...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 499 | Lượt tải: 0