Tổng hợp tài liệu, ebook Sinh Học tham khảo.
Lần đầu tiên tại Việt Nam, hàm lượng HA trong xương sụn cá nhám, Carcharhinus sorrah; cá đuối, Dasyatis kuhlii và da cá ba sa, Pangasius bocourti, được khảo sat. Hàm lượng HA từ sụn cá nhám, cá đuối và da cá ba sa tươi được xác định tương ứng là 1,5 (±0,27)%; 1,2 (±0,19)%; 0,34 (±0,09)%, hàm lượng HA từ sụn cá nhám, cá đuối và da cá ba sa kh...
7 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 540 | Lượt tải: 0
SUMMARY Ischemic stroke is one of the most dangerous human diseases. Blood supply to the brain is decreased initiating the ischemic cascade with the consequence of a Ca2+ influx into nerve-cells. This Ca2+ influx can than cause neuronal injury or death of cells. Omega-conotoxin MVIIA (-CTX) is a neurotoxin isolated from the venom of Cone snail...
6 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 477 | Lượt tải: 0
The recruitment of professional dog training to date rely on the external appearance of the dog. Among selected to train dogs to detect drugs, explosives, as a result only about 30% of trained dogs are satisfied with training. COR52H9 gene is located on chromosome 21, coding for olfactory receptors located on the surface of neuroepithelium in t...
6 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 513 | Lượt tải: 0
Interleukin-3 (IL-3) is a multifunctional cytokine which modulates the proliferation, differentiation and maturation of various types of hematopoietic cells. Gene coding for IL-3 linked with pelB signal were incorporated into pET22b(+) for expression of il3 gene in E. coli BL21; but IL-3 was synthesized at very low levels and still in fusion wit...
7 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 517 | Lượt tải: 0
SUMMARY Vietnam has a huge amount of rich-protein shrimp shells, containing chitin, a biological polymer that has many potential applications in different areas of life. However, this shrimp by-products are processed mainly by alkali-acid method, causing environmental pollution and can not recovery the protein in the starting material. For the ...
8 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 544 | Lượt tải: 0
Coffea canephora is one of the most important industrial plants in Viet Nam. However, over culturing and exploitation have caused the decline of coffee's yeild and commercial benefits. Light Emitting DiodesLED has been widely applied in micropropagation with various advantages, such as highly efficiency, easily design and low cost. This paper aim...
8 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 478 | Lượt tải: 0
A. Ảnh hưởng của 2,4-D (0; 0,2; 0,4; 0,6; 0,8 và 1,0 mg/l theo thứ tự từ trái qua phải) lên khả năng tạo mô sẹo từ mẫu lá cây Kiwi nuôi cấy in vitro sau 25 ngày; B. Mô sẹo tạo thành từ mẫu lá cây Kiwi nuôi cấy đặt úp trên môi trường MS có bổ sung 0,8 mg/l 2,4-D được sử dụng để nuôi cấy tế bào đơn; C1. Bình nuôi cấy tế bào đơn; C2, C3. Sự phát tr...
10 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 523 | Lượt tải: 0
Screening of microorganisms that are capable to produce fucoidan degrading enzymes was carried out by investigating their abilities to grow on fucoidan-containing solid media plates. The activities were identified by the occurrence of a transparent areas after staining the plates with hexadecyltrimethylammonium bromide (cetavlon) 1% (w/v), which...
6 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 500 | Lượt tải: 0
SUMMARY Astaxanthin (3, 3’- dihydroxy β, β carotene - 4,4 - dione) is a biologically active pigment with applications in aquaculture, nutraceutical, pharmaceutical, and food industries. Although astaxanthin can be synthesized by plants, bacteria, a few fungi, and green algae, the amounts produced by the green microalga Haematococcus pluvialis s...
7 trang | Chia sẻ: thucuc2301 | Ngày: 30/11/2020 | Lượt xem: 461 | Lượt tải: 0
Codonopsis sp. has been widely used in Vietnam‘s folk medicine for years due to its marvelous characteristics, such as health enhancing, immune promoting etc., Dang shen is naturally being everexploited that could lead it to extinction. LED technology has been applied in micro propagation with various advantages, such as long life, convenient si...
8 trang | Chia sẻ: yendt2356 | Ngày: 30/11/2020 | Lượt xem: 602 | Lượt tải: 0