membrane activity 中文意思是什麼

membrane activity 解釋
膜滲作用
  • membrane : n. 1. 【解、生】（薄）膜，隔膜。2. 〈古語〉（古文件的）（一頁）羊皮紙。-braneous , -branous adj. 膜（狀）的，膜質的；隔膜的。
  • activity : n. 1. 活動；活躍；動作；活動力；能動性。2. 活性；放射性。3. 機能，功能。4. 〈美國〉機構。5. 〈pl. 〉 活動范圍。
  1. Its action site is located on the postsynaptic membrane and the biological activity of hwtx - i is located in the fifth p - turn containing lys25 and lys 27. to - conotoxin mviia is a neurotoxin belonging to one of n - type ca2 + channels inhibitors, purified from the venom of the conus marine snails, contains 25 amino acid residues with three disulfide binds. it adopts the pattern of ick and its linkage of the disulfide binds and space conformation are highly similar to hwtx - i

    -芋螺毒素mviia （ - conotoxinmviia ）是從芋螺屬（ conus ）海底蝸牛毒液中分離提純的一種活性多肽，屬于n -型ca ~ （ 2 + ）通道阻斷劑中一種，含25個氨基酸殘基，三對二硫鍵，其二硫鍵連接方式、分子的空間構象與hwtx -很相似，採取ick結構模體。
  2. Nogo - 66 receptor, ngr, cloned in 2001, is a leucine - rich - repeat glycophosphatidylinositol - anchored membrane protein which mediates nogo - 66 inhibition of axonal outgrowth. both the long acidic amino - terminal domain and the nogo - 66 fragment have strong neurite growth inhibitory activity suggest that nogo - a has at least two inhibitory domains. northern blot, in situ hybridization, western blot and immunocytochemistry analyses show that in addition to oligodendrocytes, nogo - a mrna and nogo - a protein are also expressed in neurons in developing and adult brain and spinal cord, nogo - a is also found in peripheral organs such as heart and testis

    Northernblot 、原位雜交、 westernblot和免疫組化結果證明： nogo amrna和nogo蛋白除了在cns的寡突膠質細胞中表達，還表達于發育階段和成年的腦、脊髓和外周神經節的某些神經元中，在外周組織如睪丸和心臟也有表達； nogoe在cns和pns以及多種外周組織中有廣泛分佈； nogo （除表達于腦和心臟外，在骨骼肌中有較高表達。
  3. The damages of monocrotophos on tnicrostructure of testis were that it caused the deficiency of ground membrane, hypertrophied leydig cell and spermatogenous. besides, the y - gtp activity was inhibited by monocrotophos

    久效磷對金魚精巢組織結構的破壞主要表現為：精小葉基膜斷裂； leydig氏細胞出現肥大現象；精原細胞膨脹。
  4. In order to discuss the application of sol - gel in the preparation of biomembrane, the gel membrane of agarose was prepared by sol - gel with acticarbon and agarose as raw material, at the same time, the catalytic activity of immobilized cod based in the membrane was studied

    為探討生物傳感器用膜的制備，採用溶膠-凝膠法，以活性炭微粉和瓊脂糖制備了瓊脂糖凝膠薄膜並研究了薄膜固定cod的催化特性。
  5. Subsequent refolding step was optimized for a maximal recovery of biological active protein. the antiangiogenic activity of the hpk - 5 was estimated using a chorioallantoic membrane ( cam ) model of chicken embryos

    4 .雞胚絨毛尿囊膜實驗結果顯示， hpk一5能有效的抑制雞胚絨毛尿囊膜新生毛細血管的生長。
  6. We also found an angiostatin - like protein and the detection of its activity on chick embryo chorioallantoic membrane model ( cam ) shows a sign of inhibition of the positive effect of lung cancer cell culture supernatant on cam. conclusion : development of proteomics brings out highly efficient approach for apr research, which overcomes the drawbacks of traditional methods including low efficiency and difficulty in detecting new apr - related proteins and the intrinsic false positive reaction of recently developed ssh technology

    結論：蛋白質組學為apr領域帶來高效率高通量的研究方法，改變了傳統的elisa方法需要事先確定靶蛋白的低效的，而且難以發現新蛋白的狀況，也克服了suppressionsubtractivehybridizaition （ ssh ）技術固有的假陽性，實現了對app候選蛋白快速的鑒定。
  7. The characteristics of this method are : a, directly counting cell number without the influence of the metabolic state of the cells ; b, discrimination of target cells from effector cells in cell - mediated cytotoxicity assay ; c, less treatment step, and free - radioactivity ; d, high sensitivity and reliability. 2, using the above assay, immunofluorescent labeled technique, and flow cytometry, the pbmc proliferation, apoptosis, necrosis, cell cycle, activation, cytokines and membrane marker were detected. the results showed that the number of pbmc reduced, but the activity of pbmc increased dose - dependently ; the reduction of cell number resulted from necrosis and apoptosis ; the supernatant of k562 cell lines were not able to block the cell cycle, but to promote it ; the ratio of t cell subset and the expression of thl and th2 cytokines increased

    結合以上創建的方法和免疫熒光流式細胞術，用k562細胞株可溶性分泌物（上清）對外周血單個核細胞（ pbmc ）進行培養以模擬體內微環境，然後分別從細胞增殖、凋亡、壞死、細胞周期、活性、細胞因子和表面抗原表達等方面進行研究，結果發現用腫瘤上清培養的pbmc細胞數量下降明顯，但同時對其有激活作用，且呈劑量依賴性；細胞數的下降主要是由細胞壞死和凋亡引起的，腫瘤上清對細胞周期沒有阻斷作用，反而略有促進作用； t細胞亞群比例增加，並促進表達th1 、 th2細胞因子。
  8. The concentration of bsa in homogenization medium influenced the latency activity of the pm tt - atpase. 0. 5 % bsa was suitable in our experiment. characteristic properties of the plasma membrane h + - atpase were investigated firstly

    提取緩沖液中bsa的濃度對微囊的緻密性有很大的影響， 0 . 5 bsa下獲得的質膜微囊，有較好的的緻密性。
  9. In order to reduce the membrane ' s cost, we prepared the membrane by simultaneous radiation grafting of styrene onto teflon - polytetrafluorethylene films and subsequent sulfonated by the chlorosulfonic acid introducing the activity sulfonic acid grape into the grafting side chains of the polymer films

    在實驗中採用高能輻射技術，先將苯乙烯單體接枝到聚四氟乙烯聚合物基體上，后經氯磺酸磺化反應引入磺酸基團，合成了滿足燃料電池性能要求的質子交換膜。
  10. Results showed that the muskrat musk increased the weight of unmatured mouse, enhanced weights of prostagland and sperm restore bladder, resisted hemolysis of red cell in higher or lower osmotic solutions, stabilized red cell membrane obviously, improved the activity of sod in the liver

    本研究發現：麝鼠香具有促進未成齡小白鼠體重增長、增加小白鼠前列腺貯精囊的重量的作用；對抗小白鼠紅細胞在高滲和低滲液中溶血穩定紅細胞膜作用明顯，增強小白鼠肝臟中超氧化物歧化酶（ sod ）的活性。
  11. Compared to the single hg2 + treated, se4 + + hg2 + the mixed exposure could restrain the fall of the activity of t ? aoc, sod and gsh ? px, reducing the level of lipid peroxidation, and alleviating membrane damage, represented with the heighten na + - k + - atpase activity and reduced mda concentration, resulting in the increased resistance to hg2 + damage. however, se4 + were incapable of preventing from the damage of hg2 + ultimately, along with the exposure period, regardless of the fact that the obvious enhancement of t - aoc and atpase activity

    混合處理后，與單一汞處理相比， se ~ （ 4 + ）在一定程度上能有效抑制汞脅迫引起的t ? aoc ， sod ， gsh ? px的降低，降低膜脂質過氧化水平，減輕了對膜的硒對汞致劍尾魚抗氧化系統的毒害和生理損傷的拮抗作用損傷，表現為隨一k + / atpase活力升高，而mda含量降低，提高了機體對hg葉毒害的抗性;但隨著染毒時間延長，硒不能最終阻止毒害的加深。
  12. This course includes : the understanding of biomolecules ; the difference between prokaryotic and eukaryotic cell ; the structure of amino acids and their characteristics ; the stereo - structure of protein ; cell membrane and lipids ; the activity of enzyme ; the activity of nucleic acid ; the application of biotechnology

    本課程主要包括有生物分子之了解，真核與原核生物之異同;胺基酸之結構及性質;蛋白質與其空間構型;脂質及細胞膜;酵素之作用;核酸之作用;生物技術之應用。
  13. And the expression product was an membrane - toxic immunotoxin. the activity determination in vitro indicated the product had significant killing effect to a43i cell of squamous epithelium carcin

    破壁后提取ecoil中的目的產物會由於菌體蛋白的大量攙雜而使提純步驟繁瑣，降低得率。
  14. One recent success in boosting catalytic activity was achieved by 3m corporation researchers, who created nanotextured membrane surfaces covered with “ forests of tiny columns ” that significantly increased the catalysis area

    3m公司的研究人員最近成功提升了觸媒的活性，他們製作出具有奈米結構的隔膜，表面密布著細微的柱狀物，大幅增加了催化面積。
  15. Their efforts include not only finding methods to raise the activity of the catalyst so less can be used for the same power output but also determining how to form a stable catalyst structure that does not degrade over time and avoiding side reactions that contaminate the membrane

    他們不僅致力於尋覓提升觸媒活性的方法，好以較少的用量達到相同的輸出動力，還嘗試做出不會經時耗損，又能避免次反應污染隔膜的安定觸媒結構。
  16. In conclusion, the compact engineered peptide can form lethal ion channel in the membrane of staphylococcus aureus guided by staphylococcal agrd pheromone, therefore the engineered peptide had bactericidal activity against staphylococcus aureus, especially against the drug - resistant strains. because of the properties mentioned above, the engineered peptide showed great potential in the future. the engineered peptide was an example of bactericidal protein machine combining two minidomains with different bioactivities and different protein origins

    該工程多膚能在人工脂質膜上形成電壓依賴性離子通道，即當電壓由omv變為+ somv時通道立刻開放，電導驟然上升到某一數值，其後電導發生丫系列諧振式變化;而當電壓由+ somv變為一50mv時電導並不立即減小至o ，而出現正電壓狀態下類似的表現。
  17. The am fungus could obtain adequate carbon resources for itself, thus ensuring normal growth and metabolic activit y owing to the efflux of carbohydrate from the plasma membrane of the host root cortical cells to the interface of the symbiosis. thirdly, the structure and composition of the root cortex cellular plasma membrane kept good integrity and the leakage of carbohydrate maintained at low level when the plant obtained enough p and metabolizes normally. although enough carbohydrate was synthesized by plant, the am fungi could not obtain enough energy, resulting in inhibition of growth of the extraradical hyphae and decreased metabolic activity of the am fungi

    由此，我們認為植物磷營養狀況調控菌根真菌生長和代謝活性的機制是：當植物處于嚴重缺磷脅迫時，不能合成足夠的碳水化合物供給自身生長的需要，也不能向真菌提供額外的碳水化合物，因而菌根真菌生長受阻，代謝活性較低；當植物中度缺磷時，根皮層細胞質膜的組成和結構不完整，通透性大，碳水化合物通過質膜向外的滲漏量大，菌根真菌因而獲得充足的碳源，保證真菌正常的生長和旺盛的代謝；當植物獲得足夠的磷而使體內磷營養代謝正常時，其細胞質膜組成和結構完整，碳水化合物的滲漏量保持在較低的水平，盡管此時植物合成了足夠的碳水化合物，但菌根真菌仍不能獲得足夠的能量，導致真菌生長受阻和代謝活性降低。
  18. The biomacromolecular layers on the plla membrane surfaces had good stability and good cytocompatibiliry. cells spread very well on the gelatin or collagen coated membranes and had obviously improved adhesion rate, proliferation rate and mtt activity

    軟骨細胞培養結果表明明膠塗層或膠原塗層可明顯提高細胞在plla膜表面的粘附率、增殖率、細胞活性和鋪展性能。
  19. In both cell lines ex - pressing sh2a gene, the cytoplasm pkc activity decreased 40 %, but no apparent alteration was found in mapk, tpk and membrane pkc activity. the proliferation index of transfected cells exhibited an decline in cytometry detection

    L sh的肝癌bel7402細胞及cos7細胞胞漿蛋白中的pkc活性均下降達40 ，胞膜pkc 、胞漿mapk ， 』 fpk活性未見明顯改變，轉染細胞經流式細胞儀檢測增殖指數有所下降。
  20. Influences of high temperature stress on activity of cell defense enzymes and membrane permeability in leaves of spinach

    高溫脅迫對菠菜葉片保護酶活性和膜透性的影響
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