active transport

1. Active transport processes have been identified for various ions, vitamins, sugars, and amino acids.
   现已确认，多种离子、维生素类、糖类和氨基酸类都采取这种主动转运方式。
2. Active transport: This process is characterized by selectivity and saturability and requires energy expenditure by the cell.
   主动转运这种转运过程的特征是选择性和饱和性，需要细胞的能量消耗。
3. Drugs may cross a biologic barrier by passive diffusion, facilitated passive diffusion, active transport, or pinocytosis.
   主动转运或胞饮作用等方式穿越生物屏障。
4. Their absorption was first-order process besides the passive diffusion mechanism, and facilitated diffusion and active transport may also take part in the transport process.
   栀子苷在大鼠小肠的吸收速率随浓度的增加而减小，提示药物的吸收机制除了被动扩散外，可能有主动转运和易化扩散因素；
5. Active transport appears to be limited to drugs structurally similar to endogenous substances.
   主动转运似乎只限于其结构类似于机体内源性物质的那些药物。
6. Active transport, sugar-evoked potential, comparative physiology, xylose absorption test.
   活性转移；糖诱发电位；比较生理学；木糖吸收试验。
7. Dopamine levels wane as dopamine is taken back into cells by an active transport system.
   多巴胺通过主动传输过程转运回细胞内后，水平下降。
8. The mechanisms of aquaporin and sodium active transport in alveolar cells relate closely with mitogen-activated protein kinase signal transduction pathway.
   肺泡上皮钠水主动转运机制与丝裂原活化蛋白激酶信号转导途径密切相关。
9. The reason may be that in fishes, drugs are eliminated mainly through the passive diffusion by renal blood vessels and gills while in mammals, through active transport by kidney.
   原因可能是在鱼体内，药物主要通过肾脏血管和腮被动扩散消除，而哺乳动物则主要通过肾脏的主动转运消除。
10. Active transport across a cell membrane. Subdural puncture in diagnosis and treatment of subdural fluid collection in infants or toddlers with purulent meningitis: report of 207 cases
    通过细胞膜的活性转移硬膜下穿刺术在小儿化脓性脑膜炎后硬膜下积液诊治中的作用
11. The sodium/ iodide symporter ( NIS), an integral plasma membrane glycoprotein of the basolateral membrane of the thyroid gland follicular cells, mediates the active transport of iodide into thyroid cells.
    钠/碘同向转运体是甲状腺滤泡细胞基底细胞膜上的糖蛋白，介导甲状腺对碘的主动运输。
12. We suggested that the enzyme barrier might be related with the formation of VBE. Enzyme system plays an adjustment role in the active transport of substance in the course of striding over blood capillary membran such as amino acid and protein besides the barrier function.
    酶系统除了有屏障功能外，酶系统还在跨毛细血管膜的主动转运中具有重要作用，对氨基酸和蛋白质等大分子物质的转运起调节作用。
13. It is highlighted that besides passive transport, dissolved metal transport into bivalves was involved in active transport coupled with ATP.
    强调了贝类对溶解态重金属的转运除了被动转运之外，还涉及到需要ATP供能的主动转运过程。
14. Characterization of Ca~ ( 2+) ATPase Which Drives Active Transport ofCa~ ( 2+) in Plasma Membrane Vesicles Isolated from Pulp Cell of Malus pumila Fruits
    苹果果肉质膜微囊主动运输Ca~（2+）的Ca~（2+）ATP酶特性
15. The fetal serum B_ ( 12) contents were significantly higher than the maternal, which demonstrated that there was an active transport of B_ ( 12) from mother to fetus.
    胎儿血清B（12）浓度显著高于同期孕妇，说明孕母供给胎儿B（12）是一个主动过程。
16. Conclusion: BDNF targeting drug BDNF-PEG-29B4/ SA can enter the blood-brain barrier by active transport and has a therapeutic effect in AD transgenic mice.
    结论：BDNF-PEG-29B4/SA可以通过主动转运进入血脑屏障，对AD转基因鼠有治疗作用。
17. In the past twenty years, China has made great performances in the fields of transport infrastructure construction, which depends on our active transport investment and financing policy.
    在过去的20年，我国交通基础设施建设取得了重大成绩，这主要得益于我国积极的交通基础设施投融资政策。
18. These experimental results suggested that Cd and Zn uptake was correlated with the energy metabolism, and may even be involved in an active transport, besides the facilitated transport.
    除了载体介导的易化转运过程外，翡翠贻贝对溶解态Cd和Zn的吸收也与机体的能量代谢相关联，涉及到需要ATP供能的主动转运过程。
19. The sodium/ iodide symporter ( NIS) is an intrinsic membrane protein that mediates the active transport of iodide into the thyroid and other tissues.
    钠／碘同向转运体（NIS）是一种真正调节甲状腺及其他组织碘转运活性的膜蛋白。
20. The above results suggested the participation of a carrier-mediated, energy-dependent sugar active transport process in juice sacs of satsuma mandarin fruit.
    由此可见，糖在温州蜜柑果实汁囊中的运输存在一个需要载体并与ATP酶相偶联的主动运输过程。
21. With the decrease of sanchinoside R_ ( 1) and ginsenoside Rg_1 concentration, the absorption rate is increased, their absorption was is first-order process, besides the passive diffusion mechanism, facilitated diffusion and active transport may also take part in the transport process.
    其吸收速率随着浓度的增加而逐渐减小，药物在小肠中的吸收不呈现一级动力学过程，吸收机制除了被动扩散以外，可能还有易化扩散和主动转运；
22. The active transport of Na+ and solute molecules depends on the proton electrochemical gradients established by proton pumps.
    Na~+和可溶性物质的次级转运依赖于由质子泵建立的质子电化学梯度。
23. Passive transport pathway was called ion channels, active transport vehicle was called ion pump of ions.
    被动运输的通路称离子通道，主动运输的离子载体称为离子泵。
24. Although sucrose transporter ( SUT) is the carrier for active transport of sucrose, the biological function of them has not yet reported in cassava.
    蔗糖转运蛋白是蔗糖主动运输的载体，其在木薯中的生物学功能尚未见系统报道。
25. Transportation of lead through the in vitro BBB had the characteristics of active transport. Temperature, pH, time and dose all had effect on the transport of lead.
    铅在BBB模型中的转运具有主动转运的特点铅的转运受pH值、温度、时间和剂量的影响。
26. The passways of inorganic ions across the membrane have passive transport ( along the ion concentration gradient) and active transport ( inverse ion concentration gradient).
    生物膜对无机离子的跨膜运输有被动运输（顺离子浓度梯度）和主动运输（逆离子浓度梯度）两种方式。

noun

1. transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient