oxygen
Khám phá khí Oxygen
... (rong, vi khuẩn), dùng khí carbonic và thải ra khí oxygen. Oxygen nhờ đó mà xuất hiện từ từ trong khí quyển, lúc đầu chỉ có 0,2%. Sau đó oxygen tạo thành tầng ozon, sẽ làm màn chắn bớt các ... càng ngày càng có nhiều oxygen Nhờ sự sản xuất oxygen mà trái đất ta đã qua một bước ngoặc mới trong lịch sử của nó. Trong một tì năm, cây dưới nước tiếp tục thải ra khí oxygen, và dần dần tụ...
Ngày tải lên: 18/08/2012, 20:36
Báo cáo y học: "The Influence of Hyperbaric Oxygen Treatment on the Healing of Experimental Defects Filled with Different Bone Graft Substitutes"
... alternatives are important areas of research. Hyperbaric oxygen therapy (HBOT) is a mode of medical treatment in which the patient breathes 100 % oxygen at a pressure greater than one atmosphere ... condition increases the amount of oxygen dissolved in the blood; therefore, it can reach areas which are impenetrable for the red blood cells and provide tissue oxygenation in case of impair...
Ngày tải lên: 25/10/2012, 11:15
Báo cáo y học: "Ozone Therapy and Hyperbaric Oxygen Treatment in Lung Injury in Septic Rats"
... in response to lipopolysaccharide (LPS) [6]. Hyperbaric oxygen (HBO) therapy is a well es-tablished therapeutic approach increasing oxygen concentration in all tissues; improving blood flow ... which depends on the administration of a gas mixture comprising ozone and oxygen to body fluids and cavities. The ozone /oxygen mixture was reported to exhibit various effects on the immune syst...
Ngày tải lên: 25/10/2012, 11:18
Báo cáo y học: " Helicobacter pylori induces mitochondrial DNA mutation and reactive oxygen species level in AGS cells"
... source of ROS . The proportion of oxygen con-v e r t e d i n t o O2• ˉ a c c o u n t s f o r a b o u t 1 -2 % o f t h e o v e r a l l oxygen consumption [8]. Mitochondrial ... with the ROS levels and negatively to the ATP levels. Key words: Helicobacter pylori; Reactive Oxygen Species; Mitochondrial DNA; Mutation. Introduction Helicobacter pylori (Hp) are Gram-negative ... leading to th...
Ngày tải lên: 25/10/2012, 11:18
NOVEL RESTORATION TECHNOLOGY FOR PUZRIFICATION OF WATER QUALITY IN CLOSED WATER BODY BY HIGH CONCENTRATED OXYGEN WATER
Ngày tải lên: 05/09/2013, 08:40
Tolerance Level of Dissolved Oxygen to Feed into Anaerobic Ammonium Oxidation (anammox) Reactor
Ngày tải lên: 05/09/2013, 10:17
Performance optimization of a PEM hydrogen-oxygen fuel cell
Ngày tải lên: 05/09/2013, 14:58
Tài liệu Báo cáo khoa học: Functional characterization of an orphan cupin protein from Burkholderia xenovorans reveals a mononuclear nonheme Fe2+-dependent oxygenase that cleaves b-diketones ppt
... acireductone dioxygenase; CDO, cysteine dioxygenase; Dke1, b-diketone-cleaving dioxygenase; DLS, dynamic light scattering; EXAFS, extended X-ray absorption fine structure; QDO, quercetin dioxygenase; ... homoprotocatechuate 2,3-dioxygenases. J Bacteriol 186, 1945–1958. 14 Emerson JP, Kovaleva EG, Farquhar ER, Lipscomb JD & Que L Jr (2008) Swapping metals in Fe- and Mn- dependent dioxygenas...
Ngày tải lên: 18/02/2014, 06:20
Tài liệu Báo cáo khoa học: Autophagy inhibits reactive oxygen species-mediated apoptosis via activating p38-nuclear factor-kappa B survival pathways in oridonin-treated murine fibrosarcoma L929 cells doc
... therapeutic antioxidant by selectively reducing cytotoxic oxygen radicals. Nat Med 13, 688–694. 4 Nathan C (2003) Specificity of a third kind: reactive oxygen and nitrogen intermediates in cell signaling. J ... production of reactive oxygen species. Cancer Res 65, 948–956. 12 Pan J, She M, Xu ZX, Sun L & Yeung SC (2005) Farnesyltransferase inhibitors induce DNA damage via reactive o...
Ngày tải lên: 18/02/2014, 13:20